Updated Spec

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- 0 - ة السعوديةكة العربيممل الداخلية وزارة ال التطويريةلمشروعات مركس ا رقم ملحق( 2 ) صفات تحديث المواAddendum No. 2 Update of Specifications

Transcript of Updated Spec

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المملكة العربية السعودية

وزارة الداخلية

مركس المشروعات التطويرية

(2)ملحق رقم

تحديث المواصفات

Addendum No. 2

Update of Specifications

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Update of Specifications

"Add new sections and amend sections as follows"

This Addendum No.2 is to be considered part of the tender documents for Projects

designed by Consultant (Zuhair Fayez Partnership). In case information in this

addendum are contradictory with what indicated or stated in other tender

documents for these Projects types , the information in this addendum shall

prevail.

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INDEX

SECTION 03410 PLANT-PRECAST STRUCTURAL CONCRETE

SECTION 04200 UNIT MASONRY

SECTION 04810 UNIT MASONRY ASSEMBLIE

SECTION 07180 TRAFFIC COATINGS

SECTION 08331 OVERHEAD COILING DOORS

SECTION 08800 GLAZING

SECTION 09310 CERAMIC TILES

SECTION 09547 LINEAR METAL CEILINGS

SECTION 09549 SECURITY CEILING SYSTEMS

SECTION 09600 STONE WORK

SECTION 10350 FLAGPOLES

SECTION 10505 METAL LOCKERS

SECTION 15160 PUMPS/Diesel Fire Pump

SECTION 15780 UNITARY AIR CONDITIONING SYSTEM

SECTION 16050 BASIC MATERIALS AND METHODS

SECTION 16350 MEDIUM-VOLTAGE TRANSFORMERS

SECTION 16452 GROUNDING

SECTION 16620 STANDBY POWER GENERATING SYSTEM

SECTION 16670 LIGHTNING PROTECTION SYSTEM

SECTION 16720 FIRE ALARM SYSTEM

SECTION 16735 DATA NETWORKING ACTIVE COMPONENT

SECTION 16740 TELEPHONE AND DATA SYSTEMS

SECTION 16745 IP TELEPHONY SYSTEM

SECTION 16770 PUBLIC ADDRESS SYSTEM

SECTION 16780 SECURITY SYSTEM

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SECTION 03410

PLANT-PRECAST STRUCTURAL CONCRETE

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

B. Drawings and general provisions of the Contract, including Conditions of Contract and

Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

1. This Section includes plant-precast structural concrete units

1.3 PERFORMANCE REQUIREMENTS

A. Structural Performance: Provide precast structural concrete units and connections

capable of withstanding design loads within limits and under conditions indicated as

shown on Drawings.

1.4 SUBMITTALS

A. Product Data: For each type of product indicated.

B. Design Mixes: For each concrete mix.

C. Shop Drawings: Detail fabrication and installation of precast structural concrete units.

Indicate member locations, plans, elevations, dimensions, shapes, cross sections,

openings, and types of reinforcement, including special reinforcement.

1. Indicate welded connections. Detail loose and cast-in hardware, inserts,

connections, and joints, including accessories.

2. Indicate locations and details of anchorage devices to be embedded in other

construction.

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A. Samples: For each type of finish indicated on exposed surfaces of precast structural

concrete units, in sets of 3, illustrating quality of finishes, colors, and textures;

approximately 300 by 300 by 50 mm.

B. Welding Certificates: Copies of certificates for welding procedures and personnel.

C. Qualification Data: For firms and persons specified in "Quality Assurance" Article to

demonstrate their capabilities and experience. Include lists of completed projects with

project names and addresses, names and addresses of architects/engineers and owners,

and any other information required by Engineer.

D. Material Test Reports: From a qualified testing agency indicating and interpreting test

results of the following for compliance with requirements indicated:

E. Material Certificates: Signed by manufacturers certifying that each of the following items

complies with requirements:

1. Concrete materials.

2. Reinforcing materials.

3. Admixtures.

A.5 QUALITY ASSURANCE

A. Fabricator Qualifications: A firm that complies with the following requirements and is

experienced in manufacturing precast structural concrete units similar to those indicated

for this Project and with a record of successful in-service performance.

1. Assumes responsibility for engineering precast structural concrete units to comply

with performance requirements. This responsibility includes preparation of Shop

Drawings

2. Has sufficient production capacity to produce required units without delaying the

Work.

B. Testing Agency Qualifications: An independent testing agency, acceptable to Engineer

and qualified to conduct the testing indicated.

C. Design Standards: Comply with ACI 318M and the design recommendations of

PCI MNL 120, "PCI Design Handbook--Precast and Prestressed Concrete."

D. Quality-Control Standard: For manufacturing procedures and testing requirements,

quality-control recommendations, and camber and dimensional tolerances for types of

units required, comply with PCI MNL 116, "Manual for Quality Control for Plants and

Production of Precast and Prestressed Concrete Products."

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E. Product Options: Drawings indicate size, profiles, and dimensional requirements of

precast concrete units and are based on the specific types of units selected. Other

fabricators' precast concrete units complying with requirements may be considered.

Refer to Division 1 Section "Product Requirements."

F. Welding: Qualify procedures and personnel according to AWS D1.1, "Structural

Welding Code--Steel"; and AWS D1.4, "Structural Welding Code--Reinforcing Steel."

G. Mockups: Before installing precast structural concrete units, build mockups to verify

selections made under sample Submittals and to demonstrate aesthetic effects and

qualities of materials and execution. Build mockups to comply with the following

requirements, using materials indicated for the completed Work:

1. Build mockups in the location and of the size indicated or, if not indicated, as

directed by Engineer.

2. Notify Engineer seven days in advance of dates and times when mockups will be

constructed.

3. Obtain Engineer's approval of mockups before starting fabrication.

4. Maintain mockups during construction in an undisturbed condition as a standard for

judging the completed Work.

5. Demolish and remove mockups when directed.

6. Approved mockups may become part of the completed Work if undisturbed at time

of Substantial Completion.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Deliver precast structural concrete units to Project site in such quantities and at such

times to ensure continuity of installation. Store units at Project site to prevent cracking,

distorting, warping, staining, or other physical damage, and so markings are visible.

B. Lift and support units only at designated lifting and supporting points as shown on Shop

Drawings.

1.7 SEQUENCING

A. Furnish anchorage items to be embedded in other construction without delaying the

Work. Provide setting diagrams, templates, instructions, and directions, as required, for

installation.

PART 2-PRODUCTS

2.1 MOLD MATERIALS

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A. Molds: Provide molds and, where required, form-facing materials of metal, plastic,

wood, or another material that is nonreactive with concrete and dimensionally stable to

produce continuous and true precast concrete surfaces within fabrication tolerances and

suitable for required finishes.

2.2 REINFORCING MATERIALS

A. Reinforcing Bars: ASTM A 615M, Grade 420, deformed, maximum Carbon Content:

0.3% or BS 4449 Grade 420.

B. Supports: Manufacturer's bolsters, chairs, spacers, and other devices for spacing,

supporting, and fastening reinforcing bars and welded wire fabric in place according to

CRSI's "Manual of Standard Practice," PCI MNL 116, and as follows:

1. For uncoated reinforcement, use all-plastic bar supports.

2.3 CONCRETE MATERIALS

A. For Specifications of cement, aggregates, water and admixtures refer to Section 03300.

2.4 STEEL CONNECTION MATERIALS

A. Carbon-Steel Shapes and Plates: ASTM A 36M.

2.5 GROUT MATERIALS

A. Sand-Cement Grout: Portland cement, ASTM C 150, Type I, and clean, natural sand,

ASTM C 144. Mix at ratio of 1 part cement to 2-1/2 parts sand, by volume, with

minimum water required for placement and hydration.

2.6 CONCRETE MIXES

A. Prepare design mixes for each type of concrete required.

B. Limit water-soluble chloride ions to the maximum percentage by weight of cement

permitted by ACI 318M.

C. Normal-Weight Concrete: Proportion mixes by either laboratory trial batch or field test

data methods according to ACI 211.1, with materials to be used on Project, to provide

normal-weight concrete with the following properties:

1. Compressive Strength (28 Days): 30 MPa.

2. Maximum Water-Cementitious Materials Ratio: 0.40.

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D. Other Admixtures: Use water-reducing, high-range water-reducing, water-reducing and

accelerating, or water-reducing and retarding admixtures according to manufacturer's

written instructions.

E. Concrete Mix Adjustments: Concrete mix design adjustments may be proposed if

characteristics of materials, Project conditions, weather, test results, or other

circumstances warrant.

2.7 FABRICATION

A. Formwork: Accurately construct forms, mortar tight, of sufficient strength to withstand

pressures due to concrete-placement operations and temperature changes. Maintain

formwork to provide completed precast concrete units of shapes, lines, and dimensions

indicated, within fabrication tolerances.

1. Coat surfaces of forms with bond-breaking compound before reinforcement is

placed. Provide commercial-formula, form-coating compounds that will not bond

with, stain, or adversely affect concrete surfaces and that will not impair subsequent

treatments of concrete surfaces requiring bond or adhesion. Apply in compliance

with manufacturer's written instructions.

B. Built-in Anchorages: Accurately position built-in anchorage devices and secure to

formwork. Locate anchorages where they do not affect position of main reinforcement or

concrete placement. Do not relocate bearing plates in units unless approved by Engineer.

C. Reinforcement: Comply with recommendations in CRSI's "Manual of Standard Practice"

for fabricating, placing, and supporting reinforcement.

1. Clean reinforcement of loose rust and mill scale, earth, and other materials that

reduce or destroy the bond with concrete.

2. Accurately position, support, and secure reinforcement against displacement by

formwork, construction, or concrete-placement operations. Locate and support

reinforcement by metal chairs, runners, bolsters, spacers, and hangers, as required.

3. Place reinforcement to obtain at least the minimum coverage for concrete

protection. Arrange, space, and securely tie bars and bar supports to hold

reinforcement in position while placing concrete. Set wire ties so ends are directed

into concrete, not toward exposed concrete surfaces.

D. Refer to the requirements of mixing, placing, consolidating and curing concrete in

Section 03300.

E. Product Tolerances: Fabricate precast structural concrete units straight and true to size

and shape with exposed edges and corners precise and true so each finished unit complies

with PCI MNL 116 product tolerances.

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F. Finish formed surfaces of precast structural concrete as indicated for each type of unit,

and as follows:

1. Standard Finish: Normal plant-run finish produced in forms that impart a smooth

finish to concrete. Small surface holes caused by air bubbles, normal color

variations, form joint marks, and minor chips and spalls will be tolerated. Major or

unsightly imperfections, honeycombs, or structural defects are not permitted.

2.8 SOURCE QUALITY CONTROL

A. Engage an independent testing agency to evaluate precast structural concrete fabricator's

quality-control and testing methods.

1. Allow testing agency access to material storage areas, concrete production

equipment, concrete placement, and curing facilities. Cooperate with testing

agency and provide samples of materials and concrete mixes as may be requested

for additional testing and evaluation.

B. Quality-Control Testing: Test and inspect precast concrete according to PCI MNL 116

requirements.

C. Strength of precast concrete units will be considered deficient if units fail to comply with

PCI MNL 116 requirements, including the following:

1. Units fail to comply with compressive-strength test requirements.

2. Reinforcement of units does not comply with fabrication requirements.

3. Concrete curing and protection of units against extremes in temperature fail to

comply with requirements.

4. Units are damaged during handling and erecting.

D. Testing: If there is evidence that the strength of precast concrete units may be deficient

refer to the requirements of ACI-318-02.

E. Patching: If core test results are satisfactory and precast concrete units comply with

requirements, clean and dampen core holes and solidly fill with precast concrete mix that

has no coarse aggregate, and finish to match adjacent precast concrete surfaces.

F. Dimensional Tolerances: Units with dimensions smaller or larger than required and not

complying with tolerance limits may be subject to additional testing.

1. Precast concrete units with dimensions larger than required will be rejected if the

appearance or function of the structure is adversely affected or if larger dimensions

interfere with other construction. Repair or remove and replace rejected units, as

required, to comply with construction conditions.

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G. Defective Work: Precast concrete units that do not comply with requirements, including

strength, manufacturing tolerances, and finishes, are unacceptable. Replace with precast

concrete units that comply with requirements.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates and conditions for compliance with requirements for installation

tolerances, true and level bearing surfaces, and other conditions affecting performance.

Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 INSTALLATION

A. Install precast structural concrete. Shore and brace precast concrete units to maintain

location, stability, and alignment until permanent connections are installed.

B. Welding: Perform welding in compliance with AWS D1.1 and AWS D1.4, with

qualified welders.

1. Protect precast concrete units and bearing pads from damage by field welding or

cutting operations and provide noncombustible shields as required.

2. Repair damaged metal surfaces by cleaning and repriming damaged painted

surfaces.

C. Fasteners: Do not use drilled or powder-actuated fasteners for attaching accessory items

to precast, prestressed concrete units unless approved by Engineer.

D. Erection Tolerances: Install precast concrete units level, plumb, square, and true, without

exceeding the recommended erection tolerances in PCI MNL 127, "Recommended

Practice for Erection of Precast Concrete."

3.2 FIELD QUALITY CONTROL

A. Testing: Engage a qualified independent testing and inspecting agency to perform field

tests and inspections.

B. Testing agency will report test results promptly and in writing to Engineer.

C. Remove and replace work that does not comply with specified requirements.

D. Additional testing and inspecting, at Contractor's expense, will be performed to determine

compliance of corrected work with specified requirements.

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3.3 CLEANING

A. Clean exposed surfaces of precast concrete units after erection to remove weld marks,

other markings, dirt, and stains.

1. Wash and rinse according to precast concrete fabricator's written recommendations.

Protect other work from staining or damage due to cleaning operations.

2. Do not use cleaning materials or processes that could change the appearance of

exposed concrete finishes.

END OF SECTION 03410

SECTION 04200

UNIT MASONRY

Add new clauses 2.02 and 2.03:

2.02 CAVITIES

C. Keep cavities clean of mortar droppings and other materials during construction.

1. Provide temporary opening by omitting 1 brick every 1200 mm at bottom of cavity

and in first course above flashing. After wall has been built to top of cavity and

mortar has set, clean out cavity and then close temporary opening.

D. Parge cavity face of backup wythe using Type S or Type N mortar applied in a single

coat approximately 10 mm thick. Trowel face of parge coat smooth.

E. Installing Cavity-Wall Insulation: Place small dabs of adhesive, spaced approximately

300 mm o.c. both ways, on inside face of insulation boards, or attach with plastic

fasteners designed for this purpose. Fit courses of insulation between wall ties and other

confining obstructions in cavity, with edges butted tightly both ways. Press units firmly

against inside wythe of masonry or other construction as shown.

1. Fill cracks and open gaps in insulation with crack sealer compatible with insulation

and masonry.

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2.03 CAVITY-WALL INSULATION

F. Extruded-Polystyrene Board Insulation: ASTM C 578, of type and density indicated

below, with maximum flame-spread and smoke-developed indexes of 75 and 450,

respectively:

1. Type VII, 35 kg/cu. m (60 psi, 2.2 lbs/cu. ft. minimum).

END OF SECTION 04200

SECTION 04810

UNIT MASONRY ASSEMBLIE

PART 1: GENERAL:

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

B. This Section includes unit masonry assemblies consisting of the following:

1. Concrete masonry units.

2. Mortar and grout.

3. Ties and anchors.

4. Embedded flashing.

5. Miscellaneous masonry accessories.

6. Cavity-wall insulation.

1.3 PERFORMANCE REQUIREMENTS

B. Provide unit masonry that develops the net-area compressive strengths (f'm) at 28 days

indicated in part 2. Determine compressive strength of masonry by testing masonry

prisms according to ASTM C 1314.

1.4 SUBMITTALS

B. Product Data: For each different masonry unit, accessory, and other manufactured

product specified.

C. Shop Drawings: Show fabrication and installation details for the following:

1. Fabricated Flashing: Detail corner units, end-dam units, and other special

applications.

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D. Samples for Initial Selection: For the following:

1. Unit masonry Samples in small-scale form showing the full range of colors and

textures available for each different exposed masonry unit required.

E. Samples for Verification: For the following:

1. Full-size units for each different exposed masonry unit required, showing the full

range of exposed colors, textures, and dimensions to be expected in the completed

construction.

2. Accessories embedded in the masonry.

F. List of Materials Used in Constructing Mockups: List generic product names together

with manufacturers, manufacturers' product names, model numbers, lot numbers, batch

numbers, source of supply, and other information as required to identify materials used.

Include mix proportions for mortar and grout and source of aggregates.

1. Submittal is for information only. Neither receipt of list nor approval of mockup

constitutes approval of deviations from the Contract Documents, unless such

deviations are specifically brought to the attention of the Engineer and approved in

writing.

G. Qualification Data: For firms and persons specified in "Quality Assurance" Article.

H. Material Test Reports: From a qualified testing agency indicating and interpreting test

results of the following for compliance with requirements indicated:

1. Each type of masonry unit required.

a. Include test results, measurements, and calculations establishing net-area

compressive strength of masonry units.

2. Mortar complying with property requirements of ASTM C 270.

3. Grout mixes complying with compressive strength requirements of ASTM C 476.

Include description of type and proportions of grout ingredients.

I. Material Certificates: Signed by manufacturers certifying that each of the following items

complies with requirements:

1. Each type of masonry unit required.

a. Include test data, measurements, and calculations establishing net-area

compressive strength of masonry units.

2. Each cement product required for mortar and grout, including name of

manufacturer, brand, type, and weight slips at time of delivery.

3. Each combination of masonry unit type and mortar type. Include statement of net-

area compressive strength of masonry units, mortar type, and net-area compressive

strength of masonry determined according to Table 21-D of the Uniform Building

Code.

4. Each material and grade indicated for reinforcing bars.

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1.5 QUALITY ASSURANCE

B. Testing Agency Qualifications: An independent testing agency, acceptable to Engineer,

qualified according to ASTM C 1093 to conduct the testing indicated, as documented

according to ASTM E 548.

C. Source Limitations for Masonry Units: Obtain exposed masonry units of a uniform

texture and color, or a uniform blend within the ranges accepted for these characteristics,

through one source from a single manufacturer for each product required.

D. Source Limitations for Mortar Materials: Obtain mortar ingredients of a uniform quality,

including color for exposed masonry, from one manufacturer for each cementitious

component and from one source or producer for each aggregate.

E. Preconstruction Testing Service: Engage a qualified independent testing agency to

perform the following preconstruction testing:

1. Concrete Masonry Unit Test: For each concrete masonry unit indicated, per

ASTM C 140.

2. Prism Test: For each type of wall construction indicated, per UBC Standard 21-17.

3. Mortar Test: For mortar properties per ASTM C 270.

4. Grout Test: For compressive strength per ASTM C 1019.

F. Fire-Resistance Ratings: Where indicated, provide materials and construction identical to

those of assemblies with fire-resistance ratings determined per ASTM E 119 by a testing

and inspecting agency, by equivalent concrete masonry thickness, or by another means,

as acceptable to Engineer.

G. Sample Panels: Before installing unit masonry, build sample panels, using materials

indicated for the completed Work, to verify selections made under sample Submittals and

to demonstrate aesthetic effects. Build sample panels for each type of exposed unit

masonry assembly in sizes approximately 1200 mm long by 1200 mm high by full

thickness.

1. Locate panels in the locations indicated or, if not indicated, as directed by

Engineer.

2. Clean exposed faces of panels with masonry cleaner indicated.

3. Protect approved sample panels from the elements with weather-resistant

membrane.

4. Maintain sample panels during construction in an undisturbed condition as a

standard for judging the completed Work.

5. Approval of sample panels is for color, texture, and blending of masonry units;

relationship of mortar and sealant colors to masonry unit colors; tooling of joints;

aesthetic qualities of workmanship; and other material and construction qualities

specifically approved by Engineer in writing.

a. Approval of sample panels does not constitute approval of deviations from

the Contract Documents contained in sample panels, unless such deviations

are specifically approved by Engineer in writing.

6. Demolish and remove sample panels when directed.

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H. Mockups: Before installing unit masonry, build mockups to verify selections made under

sample Submittals and to demonstrate aesthetic effects and qualities of materials and

execution. Build mockups to comply with the following requirements, using materials

indicated for the completed Work:

1. Locate mockups in the locations indicated or, if not indicated, as directed by

Engineer.

2. Build mockup of typical wall area as shown on Drawings.

3. Build mockups for the following types of masonry in sizes approximately 1200 mm

long by 1200 mm high by full thickness, including face and backup wythes and

accessories. Include a sealant-filled joint at least 400 mm long in each mockup.

a. Each type of unit masonry construction.

4. Clean exposed faces of mockups with masonry cleaner as indicated.

5. Where masonry is to match existing, erect mockups adjacent and parallel to

existing surface.

6. Notify Engineer seven days in advance of dates and times when mockups will be

constructed.

7. Protect accepted mockups from the elements with weather-resistant membrane.

8. Maintain mockups during construction in an undisturbed condition as a standard

for judging the completed Work.

9. Approval of mockups is for color, texture, and blending of masonry units;

relationship of mortar and sealant colors to masonry unit colors; tooling of joints;

and aesthetic qualities of workmanship.

a. Approval of mockups is also for other material and construction qualities

specifically approved by Engineer in writing.

b. Approval of mockups does not constitute approval of deviations from the

Contract Documents contained in mockups, unless such deviations are

specifically approved by Engineer in writing.

10. Approved mockups may become part of the completed Work if undisturbed at time

of Substantial Completion.

1.6 DELIVERY, STORAGE, AND HANDLING

B. Store masonry units on elevated platforms in a dry location. If units are not stored in an

enclosed location, cover tops and sides of stacks with waterproof sheeting, securely tied.

If units become wet, do not install until they are dry.

1. Protect Type I concrete masonry units from moisture absorption so that, at the time

of installation, the moisture content is not more than the maximum allowed at the

time of delivery.

C. Deliver preblended, dry mortar mix in moisture-resistant containers designed for lifting

and emptying into dispensing silo. Store preblended, dry mortar mix in delivery

containers on elevated platforms, under cover, and in a dry location or in a metal

dispensing silo with weatherproof cover.

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D. Store masonry accessories, including metal items, to prevent corrosion and accumulation

of dirt and oil.

1.7 PROJECT CONDITIONS

B. Protection of Masonry: During construction, cover tops of walls, projections, and sills

with waterproof sheeting at end of each day's work. Cover partially completed masonry

when construction is not in progress.

1. Extend cover a minimum of 600 mm down both sides and hold cover securely in

place.

2. Where one wythe of multiwythe masonry walls is completed in advance of other

wythes, secure cover a minimum of 600 mm down face next to unconstructed

wythe and hold cover in place.

C. Do not apply uniform floor or roof loads for at least 12 hours and concentrated loads for

at least 3 days after building masonry walls or columns.

D. Hot-Weather Requirements: Protect unit masonry work when temperature and humidity

conditions produce excessive evaporation of water from mortar and grout. Provide

artificial shade and wind breaks and use cooled materials as required.

1. When ambient temperature exceeds 38 deg C, or 32 deg C with a wind velocity

greater than 13 km/h, do not spread mortar beds more than 1200 mm ahead of

masonry. Set masonry units within one minute of spreading mortar.

PART 2 - PRODUCTS

2.1 CONCRETE MASONRY UNITS

B. General: Provide shapes indicated and as follows:

1. Provide special shapes for lintels, corners, jambs, sash, control joints, headers,

bonding, and other special conditions.

2. Provide square-edged units for outside corners, unless indicated as bullnose.

C. Concrete Masonry Units: ASTM C 90 (for load-bearing walls) and ASTM C 129 (for

non load-bearing walls), as appropriate, and as follows:

1. Unit Compressive Strength: Provide units with minimum average net-area

compressive strength of 13.1 MPa (for load-bearing walls) and 10.0 MPa (for non

load-bearing walls).

a. Normal-weight units: more than 125 lb/cu. ft. (2002 kg/cu. m):

2. Weight Classification: Normal weight, unless otherwise indicated.

3. Fire rating for concrete masonry units including 15 mm cement plaster facing on

both sides shall be as follows:

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a. 100 mm solid blocks 2 hrs.

b. 150 mm solid blocks 4 hrs.

c. 100 mm hollow blocks 1:00 hrs.

d. 150 mm hollow blocks 1:30 hrs.

e. 200 mm hollow blocks 3:00 hrs.

4. Typical STC rating of concrete masonry walls are as follows:

Thickness w 15 mm plaster

Hollow kg/m2

(PSF)

bare one side both

sides

100 mm 90 (18.5) 43 44 45

150 mm 135

(27.75)

45 46 47

200 mm 180 (37) 47 48 49

250 mm 225

(46.25)

48 49 50

300 mm 270

(55.5)

50 51 52

Thickness w 15 mm plaster

Hollow kg/m2

(PSF)

bare one side both

sides

100 mm 200

(41.50)

47 48 48

150 mm 300

(62.25)

51 52 53

200 mm 400 (83) 55 56 57

250 mm 500

(103.75)

58 59 60

300 mm 600

(124.5)

62 63 64

5. Thermal conductivity for Lightweight units, K: less than 0.29 Watt/m2 deg K

6. Size (Width): Manufactured to the following dimensions:

a. 200 mm nominal; 190 mm actual.

7. Exposed Faces: Manufacturer's standard color and texture, unless otherwise

indicated.

a. Where units are to receive a direct application of plaster, provide textured-

face units made with gap-graded aggregates.

D. Insulated Concrete Masonry Units: ASTM C 129 (non-load bearing) and as follows:

1. Sandwich construction comprising two leaves of 95 mm masonry units bonded to

an inner core of 60 mm molded polystyrene thermal insulation.

2. Thermal insulation value: U Value 0.474 w/m2

3. Compressive strength: 7.5 N/m2

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4. Injected polystyrene Density: 22-24 kg/m3

2.2 MORTAR AND GROUT MATERIALS

B. Portland Cement: ASTM C 150, Type I or II, except Type III may be used for cold-

weather construction. Provide natural color or white cement as required to produce

mortar color indicated. Compressive strength at 28 days shall be 5 MPa (minimum

cement sand ratio 1:3-4 by volume). Use plasticizer as per manufacturer‟s printed

recommendations

C. Hydrated Lime: Do not use lime.

D. Pre-Packaged Portland cement Mix: Pre-Packaged blend of portland cement complying

with ASTM C 150, Type I or Type III. Properties shall be as follows:

1. Compressive strength at 28 days of 5 MPa (minimum cement sand ratio 1:3-4 by

volume). Use plasticizer as per manufacturer‟s printed recommendations

E. Aggregate for Mortar: ASTM C 144; except for joints less than 6.5 mm thick, use

aggregate graded with 100 percent passing the 1.18-mm sieve.

F. Aggregate for Grout: ASTM C 404.

G. Water: Potable.

2.3 TIES AND ANCHORS, GENERAL

B. General: Provide ties and anchors, specified in subsequent articles, made from materials

that comply with this Article, unless otherwise indicated.

C. Mill Galvanized Carbon-Steel Wire: ASTM A 82; with ASTM A 641M, Class 1 coating.

D. Hot-Dip Galvanized Carbon-Steel Wire: ASTM A 82; with ASTM A 153, Class B-2

coating.

E. Galvanized Steel Sheet: ASTM A 653/A 653M, Z180, commercial-quality, steel sheet

zinc coated by hot-dip process on continuous lines before fabrication.

F. Steel Sheet, Galvanized after Fabrication: ASTM A 366/A 366M cold-rolled, carbon-

steel sheet hot-dip galvanized after fabrication to comply with ASTM A 153.

G. Steel Plates, Shapes, and Bars: ASTM A 36/A 36M.

2.4 BENT WIRE TIES

B. General: Rectangular units with closed ends and not less than 100 mm wide. Z-shaped

ties with ends bent 90 degrees to provide hooks not less than 50 mm long may be used

for masonry constructed from solid units or hollow units laid with cells horizontal.

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1. Where coursing between wythes does not align, use adjustable ties composed of 2

parts; 1 with pintles, the other with eyes; with maximum misalignment of 32 mm.

2. Where wythes are of different materials, use adjustable ties composed of 2 parts; 1

with pintles, the other with eyes; with maximum misalignment of 32 mm.

C. Wire: Fabricate from 6.4-mm- diameter, hot-dip galvanized steel wire.

2.5 ANCHORS FOR CONNECTING TO CONCRETE

B. General: Provide two-piece assemblies that allow vertical or horizontal adjustment but

resist tension and compression forces perpendicular to plane of wall.

1. Anchor Section: Dovetail anchor section formed from 2.5-mm- thick, steel sheet,

galvanized after fabrication.

2. Tie Section: Triangular-shaped wire tie, sized to extend within 25 mm of masonry

face, made from 6.4-mm- diameter, hot-dip galvanized steel wire.

2.6 RIGID ANCHORS

B. General: Fabricate from steel bars as follows:

1. 38 mm wide by 6.4 mm thick by 600 mm long, with ends turned up 50 mm or with

cross pins.

2. Finish: Hot-dip galvanized to comply with ASTM A 153.

2.7 MISCELLANEOUS ANCHORS

B. Unit Type Inserts in Concrete: Cast-iron or malleable-iron inserts of type and size

indicated.

C. Dovetail Slots: Furnish dovetail slots with filler strips, of slot size indicated, fabricated

from 0.85-mm, galvanized steel sheet.

D. Anchor Bolts: Steel bolts complying with ASTM F 568, Property Class 4.6; with

ASTM A 563M hex nuts and, where indicated, flat washers; hot-dip galvanized to

comply with ASTM A 153, Class C; of diameter and length indicated and in the

following configurations:

1. Headed bolts.

2. Nonheaded bolts, bent in manner indicated.

E. Post installed Anchors: Anchors as described below, with capability to sustain, without

failure, load imposed within factors of safety indicated, as determined by testing per

ASTM E 488, conducted by a qualified independent testing agency.

1. Type: Chemical anchors.

2. Type: Expansion anchors.

3. Type: Undercut anchors.

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4. Corrosion Protection: Carbon-steel components zinc plated to comply with

ASTM B 633, Class Fe/Zn 5 (5 microns) for Class SC 1 service condition (mild).

5. For Post installed Anchors in Concrete: Capability to sustain, without failure, a

load equal to four times the loads imposed.

6. For Post installed Anchors in Grouted Masonry Units: Capability to sustain,

without failure, a load equal to six times the loads imposed.

2.8 EMBEDDED FLASHING MATERIALS

B. Metal Flashing: Fabricate from the following metal complying with requirements

specified in Division 7 Section "Sheet Metal Flashing and Trim" and below:

1. Stainless Steel: 0.4 mm thick.

2. Fabricate through-wall metal flashing embedded in masonry from sheet metal

indicated above and with ribs at 75-mm intervals along length of flashing to

provide an integral mortar bond.

3. Fabricate metal expansion-joint strips from sheet metal indicated above, formed to

shape indicated.

4. Fabricate metal drip edges from sheet metal indicated above. Extend at least 75

mm into wall and 13 mm out from wall, with a hemmed outer edge bent down 30

degrees.

C. Concealed Flashing: For flashing partly exposed to the exterior, use metal flashing

specified above. For flashing not exposed to the exterior, use the following, unless

otherwise indicated:

1. EPDM Flashing: Manufacturer's standard flashing product formed from a

terpolymer of ethylene-propylene diene, complying with ASTM D 4637, 1.0 mm

thick.

D. Adhesives, Primers, and Seam Tapes for Flashings: Flashing manufacturer's standard

products or products recommended by the flashing manufacturer for bonding flashing

sheets to each other and to substrates.

2.9 MISCELLANEOUS MASONRY ACCESSORIES

B. Compressible Filler: Premolded filler strips complying with ASTM D 1056, Grade 2A1;

compressible up to 35 percent; of width and thickness indicated; formulated from

fiberboard.

C. Preformed Control-Joint Gaskets: Material as indicated below, designed to fit standard

sash block and to maintain lateral stability in masonry wall; size and configuration as

indicated.

1. Styrene-Butadiene-Rubber Compound: ASTM D 2000, Designation M2AA-805.

D. Bond-Breaker Strips: Asphalt-saturated, organic roofing felt complying with

ASTM D 226, Type I (No. 15 asphalt felt).

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E. Wicking Material: Cotton or polyester rope, 6 to 10 mm in diameter, in length required

to produce 50-mm exposure on exterior and 450 mm in cavity between wythes.

F. Plastic Weep Hole/Vent: One-piece, flexible extrusion made from UV-resistant

polypropylene copolymer, designed to fill head joint with outside face held back 3 mm

from exterior face of masonry, in color selected from manufacturer's standard.

G. Cavity Drainage Material: 25-mm- thick, free-draining mesh; made from polyethylene

strands and shaped to avoid being clogged by mortar droppings.

2.10 CAVITY-WALL INSULATION

B. Refer to Division 7 section "Board Insulation".

2.11 MORTAR AND GROUT MIXES

B. General: Do not use admixtures, including pigments, air-entraining agents, accelerators,

retarders, water-repellent agents, antifreeze compounds, or other admixtures, unless

otherwise indicated.

1. Do not use calcium chloride in mortar or grout.

C. Pre-blended, Dry Mortar Mix: Furnish dry mortar ingredients in the form of a pre-

blended mix. Measure quantities by weight to ensure accurate proportions, and

thoroughly blend ingredients before delivering to Project site.

1. Comply with ASTM C 270 Property Specification Wet mix life: <1.5 hours

2. Initial adhesion at 28 days:> 0.3N/mm2

3. Bending strength: around 1N/ mm2

4. Compressive strength : not less than 5 1 N/ mm2

5. Min. cement sand mix: 1:3-4

6. Testing: ASTM C 780

D. Mortar for Unit Masonry: Comply with ASTM C 270 Property Specification. For job-

mixed mortars, minimum properties shall be as follows:

1. Compressive strength : not less than 5 1 N/ mm2

2. Min. cement sand mix: 1:3-4

3. Bending strength: around 1N/ mm2

4. Testing: ASTM C 780

E. Grout for Unit Masonry: Comply with ASTM C 476.

1. Use grout of type indicated or, if not otherwise indicated, of type (fine or course)

that will comply with UBC Table 21-C for dimensions of grout spaces and pours

height.

2. Provide grout with a slump of 200 to 280 mm as measured according to

ASTM C 143.

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2.12 SOURCE QUALITY CONTROL

B. Engage a qualified independent testing agency to perform source quality-control testing

indicated below:

1. Concrete Masonry Unit Tests: For each type of concrete masonry unit indicated,

units will be tested according to ASTM C 140.

PART 3 - EXECUTION

3.1 EXAMINATION

B. Examine conditions, for compliance with requirements for installation tolerances and

other conditions affecting performance.

1. For the record, prepare written report, listing conditions detrimental to

performance.

2. Verify that foundations are within tolerances specified.

3. Verify that reinforcing dowels are properly placed.

4. Proceed with installation only after unsatisfactory conditions have been corrected.

C. Before installation, examine rough-in and built-in construction to verify actual locations

of piping connections.

3.2 INSTALLATION, GENERAL

B. Thickness: Build cavity and composite walls and other masonry construction to the full

thickness shown. Build single-wythe walls to the actual widths of masonry units, using

units of widths indicated.

C. Build chases and recesses to accommodate items specified in this Section and in other

Sections of the Specification.

D. Leave openings for equipment to be installed before completing masonry. After

installing equipment, complete masonry to match the construction immediately adjacent

to the opening.

E. Cut masonry units with motor-driven saws to provide clean, sharp, unshipped edges. Cut

units as required to provide a continuous pattern and to fit adjoining construction. Where

possible, use full-size units without cutting. Allow units cut with water-cooled saws to

dry before placing, unless wetting of units is specified. Install cut units with cut surfaces

and, where possible, cut edges concealed.

3.3 CONSTRUCTION TOLERANCES

B. Comply with tolerances in ACI 530.1/ASCE 6/TMS 602 and the following:

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C. For conspicuous vertical lines, such as external corners, door jambs, reveals, and

expansion and control joints, do not vary from plumb by more than 6 mm in 6 m, nor 12

mm maximum.

D. For vertical alignment of exposed head joints, do not vary from plumb by more than 6

mm in 3 m, nor 12 mm maximum.

E. For conspicuous horizontal lines, such as exposed lintels, sills, parapets, and reveals, do

not vary from level by more than 6 mm in 6 m, nor 12 mm maximum.

F. For exposed bed joints, do not vary from thickness indicated by more than plus or minus

3 mm, with a maximum thickness limited to 12 mm. Do not vary from bed-joint

thickness of adjacent courses by more than 3 mm.

G. For exposed head joints, do not vary from thickness indicated by more than plus or minus

3 mm. Do not vary from adjacent bed-joint and head-joint thicknesses by more than 3

mm.

3.4 LAYING MASONRY WALLS

B. Lay out walls in advance for accurate spacing of surface bond patterns with uniform joint

thicknesses and for accurate location of openings, movement-type joints, returns, and

offsets. Avoid using less-than-half-size units, particularly at corners, jambs, and, where

possible, at other locations.

C. Lay concealed masonry with all units in a wythe in running bond or bonded by lapping

not less than 50 mm. Bond and interlock each course of each wythe at corners. Do not

use units with less than nominal 100-mm horizontal face dimensions at corners or jambs.

D. Stopping and Resuming Work: In each course, rack back one-half-unit length for one-

half running bond or one-third-unit length for one-third running bond; do not tooth.

Clean exposed surfaces of set masonry, wet clay masonry units lightly if required, and

remove loose masonry units and mortar before laying fresh masonry.

E. Built-in Work: As construction progresses, build in items specified under this and other

Sections of the Specifications. Fill in solidly with masonry around built-in items.

F. Fill space between hollow-metal frames and masonry solidly with mortar, unless

otherwise indicated.

G. Where built-in items are to be embedded in cores of hollow masonry units, place a layer

of metal lath in the joint below and rod mortar or grout into core.

H. Fill cores in hollow concrete masonry units with grout 600 mm under bearing plates,

beams, lintels, posts, and similar items, unless otherwise indicated.

I. Build non-load-bearing interior partitions full height of story to underside of solid floor

or roof structure above, unless otherwise indicated.

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1. Install compressible filler in joint between top of partition and underside of

structure above.

2. Wedge non-load-bearing partitions against structure above with small pieces of tile,

slate, or metal. Fill joint with mortar after dead-load deflection of structure above

approaches final position.

3.5 MORTAR BEDDING AND JOINTING

B. Lay hollow masonry units as follows:

1. With full mortar coverage on horizontal and vertical face shells.

2. Bed webs in mortar in starting course on footings and in all courses of piers,

columns, and pilasters, and where adjacent to cells or cavities to be filled with

grout.

3. For starting course on footings where cells are not grouted, spread out full mortar

bed, including areas under cells.

C. Cut joints flush for masonry walls to receive plaster or other direct-applied finishes (other

than paint), unless otherwise indicated.

3.6 BONDING OF MULTIWYTHE MASONRY

B. Use individual metal ties installed in horizontal joints to bond wythes together. Provide

ties as shown, but not less than one metal tie for 0.42 sq. m of wall area spaced not to

exceed 610 o.c. horizontally and 406 mm o.c. vertically. Stagger ties in alternate courses.

Provide additional ties within 305 mm of openings and space not more than 915 mm

apart around perimeter of openings. At intersecting and abutting walls, provide ties at no

more than 610 mm o.c. vertically.

C. Use bonding system indicated on Drawings.

D. Corners: Provide interlocking masonry unit bond in each wythe and course at corners,

unless otherwise indicated.

1. Provide continuity with masonry joint reinforcement at corners by using

prefabricated "L" units as well as masonry bonding.

E. Intersecting and Abutting Walls: Unless vertical expansion or control joints are shown at

juncture, bond walls together as follows:

1. Provide continuity with masonry joint reinforcement by using prefabricated "T"

units.

3.7 CAVITIES

B. Keep cavities clean of mortar droppings and other materials during construction.

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1. Provide temporary opening by omitting 1 brick every 1200 mm at bottom of cavity

and in first course above flashing. After wall has been built to top of cavity and

mortar has set, clean out cavity and then close temporary opening.

C. Parge cavity face of backup wythe using Type S or Type N mortar applied in a single

coat approximately 10 mm thick. Trowel face of parge coat smooth.

D. Installing Cavity-Wall Insulation: Place small dabs of adhesive, spaced approximately

300 mm o.c. both ways, on inside face of insulation boards, or attach with plastic

fasteners designed for this purpose. Fit courses of insulation between wall ties and other

confining obstructions in cavity, with edges butted tightly both ways. Press units firmly

against inside wythe of masonry or other construction as shown.

1. Fill cracks and open gaps in insulation with crack sealer compatible with insulation

and masonry.

3.8 MASONRY JOINT REINFORCEMENT

B. General: Provide continuous masonry joint reinforcement as indicated. Install entire

length of longitudinal side rods in mortar with a minimum cover of 16 mm on exterior

side of walls, 13 mm elsewhere. Lap reinforcement a minimum of 150 mm.

1. Space reinforcement not more than 406 mm o.c.

2. Space reinforcement not more than 203 mm o.c. in foundation walls and parapet

walls.

3. Provide reinforcement not more than 203 mm above and below wall openings and

extending 305 mm beyond openings.

C. Cut or interrupt joint reinforcement at control and expansion joints, unless otherwise

indicated.

D. Provide continuity at corners and wall intersections by using prefabricated "L" and "T"

sections. Cut and bend reinforcing units as directed by manufacturer for continuity at

returns, offsets, column fireproofing, pipe enclosures, and other special conditions.

3.9 CONTROL AND EXPANSION JOINTS

B. General: Install control and expansion joints in unit masonry where indicated. Build-in

related items as masonry progresses. Do not form a continuous span through movement

joints unless provisions are made to prevent in-plane restraint of wall or partition

movement.

C. Form control joints in concrete masonry as follows:

1. Fit bond-breaker strips into hollow contour in ends of concrete masonry units on

one side of control joint. Fill resultant core with grout and rake joints in exposed

faces.

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D. Build in horizontal, pressure-relieving joints where indicated; construct joints by either

leaving an air space or inserting a compressible filler of width required for installing

sealant and backer rod specified in Division 7 Section "Sealants."

1. Locate horizontal, pressure-relieving joints beneath shelf angles supporting

masonry veneer and attached to structure behind masonry veneer.

3.10 FLASHING, WEEP HOLES, AND VENTS

B. General: Install embedded flashing and weep holes in masonry at shelf angles, lintels,

ledges, other obstructions to downward flow of water in wall, and where indicated.

C. Prepare masonry surfaces so they are smooth and free from projections that could

puncture flashing. Unless otherwise indicated, place through-wall flashing on sloping

bed of mortar and cover with mortar. Before covering with mortar, seal penetrations in

flashing with adhesive, sealant, or tape as recommended by flashing manufacturer.

D. Install flashing as follows:

1. At multi wythe masonry walls, including cavity walls, extend flashing from

exterior face of outer wythe of masonry, through outer wythe, turned up a

minimum of 100 mm, and through inner wythe to within 13 mm of the interior face

of the wall in exposed masonry. Where interior surface of inner wythe is concealed

by furring, carry flashing completely through inner wythe and turn flashing up

approximately 50 mm, unless otherwise indicated.

2. At lintels and shelf angles, extend flashing a minimum of 100 mm into masonry at

each end. At heads and sills, extend flashing 100 mm at ends and turn flashing up

not less than 50 mm to form a pan.

3. Interlock end joints of ribbed sheet metal flashing by overlapping ribs not less than

38 mm or as recommended by flashing manufacturer, and seal lap with elastomeric

sealant complying with requirements in Division 7 Section "Sealants" for

application indicated.

4. Extend sheet metal flashing 13 mm beyond face of masonry at exterior and turn

flashing down to form a drip.

5. Install metal drip edges beneath flashing at exterior face of wall. Stop flashing 13

mm back from outside face of wall and adhere flashing to top of metal drip edge.

6. Install metal flashing termination beneath flashing at exterior face of wall. Stop

flashing 13 mm back from outside face of wall and adhere flashing to top of metal

flashing termination.

7. Cut flashing off flush with face of wall after masonry wall construction is

completed.

E. Install weep holes in the head joints in exterior wythes of the first course of masonry

immediately above embedded flashing and as follows:

1. Use plastic weep hole/vents to form weep holes.

2. Use wicking material to form weep holes above flashing in brick sills. Turn

wicking down at lip of sill to be as inconspicuous as possible.

3. Space weep holes formed from wicking material 400 mm o.c.

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4. In cavities, place pea gravel to a height equal to height of first course, but not less

than 50 mm, immediately above top of flashing embedded in the wall, as masonry

construction progresses, to splatter mortar droppings and to maintain drainage.

5. Place cavity drainage material immediately above flashing in cavities.

6. In cavities insulated with loose-fill insulation, cover cavity side of open weep holes

with plastic insect screening before placing insulation in cavity.

F. Trim wicking material used in weep holes flush with outside face of wall after mortar has

set.

G. Install vents in vertical head joints at the top of each continuous cavity at spacing

indicated. Use plastic weep hole/vents to form vents.

1. Close cavities off vertically and horizontally with blocking in manner indicated.

Install through-wall flashing and weep holes above horizontal blocking.

H. Install reglets and nailers for flashing and other related construction where they are

shown to be built into masonry.

3.11 FIELD QUALITY CONTROL

B. Engage a qualified independent testing agency to perform field quality-control testing

indicated below.

1. Retesting of materials failing to meet specified requirements shall be done at

Contractor's expense.

C. Testing Frequency: Tests and Evaluations listed in this Article will be performed during

construction for each 465 sq. m of wall area or portion thereof.

D. Concrete Masonry Unit Tests: For each type of concrete masonry unit indicated, units

will be tested according to ASTM C 140.

E. Prism-Test Method: For each type of wall construction indicated, masonry prisms will

be tested per UBC Standard 21-17, and as follows:

1. Prepare 1 set of prisms for testing at 7 days and 1 set for testing at 28 days.

3.12 PARGING

B. Parge predampened masonry walls, where indicated, with Type S or Type N mortar

applied in 2 uniform coats to a total thickness of 19 mm. Scarify first parge coat to

ensure full bond to subsequent coat.

C. Use a steel-trowel finish to produce a smooth, flat, dense surface with a maximum

surface variation of 3 mm per 300 mm. Form a wash at top of parging and a cove at

bottom.

D. Damp-cure parging for at least 24 hours and protect the parging until cured.

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3.13 REPAIRING, POINTING, AND CLEANING

B. Remove and replace masonry units that are loose, chipped, broken, stained, or otherwise

damaged or that do not match adjoining units. Install new units to match adjoining units;

install in fresh mortar, pointed to eliminate evidence of replacement.

C. Pointing: During the tooling of joints, enlarge voids and holes, except weep holes, and

completely fill with mortar. Point up joints, including corners, openings, and adjacent

construction, to provide a neat, uniform appearance. Prepare joints for sealant

application.

D. In-Progress Cleaning: Clean unit masonry as work progresses by dry brushing to remove

mortar fins and smears before tooling joints.

E. Final Cleaning: After mortar is thoroughly set and cured, clean exposed masonry as

follows:

1. Remove large mortar particles by hand with wooden paddles and nonmetallic

scrape hoes or chisels.

2. Test cleaning methods on sample wall panel; leave one-half of panel uncleaned for

comparison purposes. Obtain Engineer's approval of sample cleaning before

proceeding with cleaning of masonry.

3.14 MASONRY WASTE DISPOSAL

B. Removal: Unless otherwise indicated, excess masonry materials and waste are

Contractor's property. At completion of unit masonry work, remove from Project site.

END OF SECTION 04810

SECTION 07180

TRAFFIC COATINGS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

B. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

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B. This Section includes traffic coatings for the following applications:

1. Vehicular traffic.

2. Pavement markings.

1.3 SUBMITTALS

B. Product Data: For each product indicated.

C. Shop Drawings: Show extent of each traffic coating. Include details for treating

substrate joints and cracks, flashings, deck penetrations, and other termination conditions.

1. Indicate layout of pavement markings.

D. Samples for Initial Selection: Manufacturer's color charts showing the full range of

colors, textures, and patterns available for each type of finish product indicated.

E. Samples for Verification: For each type of traffic coating required, prepared on rigid

backing and of same thickness and material indicated for the Work.

1. Provide stepped samples on backing large enough to illustrate build-up of traffic

coatings.

F. Qualification Data: For Applicator.

G. Material Test Reports: From a qualified independent testing agency acceptable to

Engineer indicating and interpreting test results for compliance of traffic coatings with

requirements, based on comprehensive testing of current product formulations within the

last three years.

H. Material Certificates: For each traffic coating, signed by manufacturers.

I. Field quality-control test reports.

J. Maintenance Data: For traffic coatings to be included in maintenance manuals. Identify

substrates and types of traffic coatings applied. Include recommendations for periodic

inspections, cleaning, care, maintenance, and repair of traffic coatings.

K. Warranty: Special warranty specified in this Section.

L. Applicator Certificates: Signed by product manufacturer certifying that Applicator is

approved, authorized, or licensed by manufacturer to install his products.

M. Applicator Experience: List of five projects (minimum) of a similar nature carried out

successfully by the Applicator with the same product endorsed by the manufacturer‟s

representative.

1.4 QUALITY ASSURANCE

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B. Applicator Qualifications: A qualified firm specializing in performing the work of this

Section with minimum three years documented experience and that is approved,

authorized, or licensed by the product manufacturer to install his product and that is

eligible to receive manufacturer's warranty.

1. Certification: Written approval or license of applicator by traffic coating

manufacturer.

C. Source Limitations: As follows:

1. Obtain traffic coatings from a single manufacturer.

2. Obtain primary traffic coating materials, including primers, from traffic coating

manufacturer. Obtain secondary materials including aggregates, sheet flashings,

joint sealants, and substrate repair materials of type and from source recommended

in writing by primary material manufacturer.

D. Fire-Test-Response Characteristics: Provide traffic coating materials with the fire-test-

response characteristics as determined by testing identical products per test method below

for deck type and slopes indicated by an independent testing and inspecting agency that is

acceptable to authorities having jurisdiction.

1. Class A roof covering per ASTM E 108 or UL 790.

E. Mockups: Apply mockups to set quality standards for materials and execution.

1. Engineer will select one representative surface for each traffic coating and each

substrate to receive traffic coatings. Apply each coating to at least 20 sq. m of each

substrate to demonstrate surface preparation, joint and crack treatment, thickness,

texture, color, and standard of workmanship.

2. Remove and reapply mockups until they are approved by Engineer.

3. Keep approved mockups undisturbed during construction as a standard for judging

completed traffic coatings.

4. Approved mockups may become part of the completed Work if undisturbed at time

of Substantial Completion.

F. Coverage Rate: for liquid applied coatings, calculate the quantity of material needed for

the work in accordance with manufacturer‟s printed instructions. Submit calculations for

Engineer‟s approval. Divide the areas to be coated and allocate the appropriate quantity

of coating material for each area.

G. Preinstallation Conference: Conduct conference at Project site to comply with

requirements in Division 1 Section "Project Management and Coordination."

1.5 DELIVERY, STORAGE, AND HANDLING

B. Deliver materials in original packages and containers with seals unbroken and bearing

manufacturer's labels showing the following information:

1. Manufacturer's brand name.

2. Type of material.

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3. Directions for storage.

4. Date of manufacture and shelf life.

5. Lot or batch number.

6. Mixing and application instructions.

7. Color.

C. Store materials in a clean, dry location protected from exposure to direct sunlight. In

storage areas, maintain environmental conditions within range recommended in writing

by manufacturer.

1.6 PROJECT CONDITIONS

B. Environmental Limitations: Apply traffic coatings within the range of ambient and

substrate temperatures recommended in writing by manufacturer. Do not apply traffic

coatings to damp or wet substrates, when temperatures are below 5 deg C, when relative

humidity exceeds 85 percent, or when temperatures are less than 3 deg C above dew

point.

1. Do not apply traffic coatings in snow, rain, fog, or mist, or when such weather

conditions are imminent during the application and curing period. Apply only

when frost-free conditions occur throughout the depth of the substrate.

1.7 WARRANTY

B. General Warranty: Special warranty specified in this Article shall not deprive Employer

of other rights Employer may have under other provisions of the Contract Documents and

shall be in addition to, and run concurrent with, other warranties made by Contractor

under requirements of the Contract Documents.

C. Special Warranty: Provide complete system warranty in which Manufacturer, Applicator

and Contractor are jointly and severally responsible and agree to repair or replace,

without limitations, all or any part of the traffic coatings that deteriorate during the

specified warranty period. Warranty does not include deterioration or failure of traffic

coating due to unusual weather phenomena, failure of prepared and treated substrate,

formation of new substrate cracks exceeding 1.6 mm in width, fire, vandalism, or abuse

by snowplow, maintenance equipment, and truck traffic.

1. Deterioration of traffic coatings includes, but is not limited to, the following:

a. Adhesive or cohesive failures.

b. Abrasion or tearing failures.

c. Surface crazing or spalling.

d. Intrusion of water, oils, gasoline, grease, salt, deicer chemicals, or acids into

deck substrate.

2. Warranty Period: Five years from date of Substantial Completion.

PART 2 - PRODUCTS

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2.1 MATERIALS

B. Traffic Coatings: Complying with ASTM C 957.

C. Material Compatibility: Provide primers; base, intermediate, and topcoats; and

miscellaneous materials that are compatible with one another and with substrate under

conditions of service and application, as demonstrated by manufacturer based on testing

and field experience.

2.2 TRAFFIC COATING

B. Coatings are to be high-solids, cold liquid-applied, elastomeric membranes, to

ASTM C 957 / C836 and ASTM C 1127, that produce a wearing, surface for pedestrian

or vehicular traffic. The coatings shall form a protective, waterproof barrier capable of

bridging minor reinforced cracks and resisting various chemicals. They shall resist UV-

degradation and abrasion, and exhibit slip-and-skid resistance and low-temperature

flexibility, have high substrate and intercoat bond strength, and withstand pedestrian or

vehicular loadings.

C. Vehicular Traffic Coating Grade: Use heavy-duty grade at ramps and turning areas; use

medium duty grade at driving aisles and parking bays, all as recommended by

manufacturer.

D. Primer: Manufacturer's standard factory-formulated primer recommended for substrate

and conditions indicated.

1. Material: Epoxy.

E. Preparatory and Base Coats: Single- or multicomponent aromatic liquid urethane

elastomer.

F. Intermediate Coat: Single- or multicomponent, aromatic liquid urethane elastomer.

G. Topcoat: Single- or multicomponent, aromatic liquid urethane elastomer.

1. Color: As selected by Engineer from manufacturer's full range .

H. Component Coat Thicknesses: As recommended by manufacturer for substrate and

service conditions indicated, but not less than the following (measured excluding

aggregate):

1. Base Coat: 0.65-0.80 mm minimum wet film thickness.

2. Intermediate Coat: 0.40 mm minimum wet film thickness.

3. Topcoat: 0.40 mm minimum wet film thickness.

I. Aggregate: Uniformly graded washed silica sand of particle sizes, shape, and minimum

hardness recommended in writing by traffic coating manufacturer.

1. Spreading Rate: As recommended by manufacturer for substrate and service

conditions indicated, but not less than the following:

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a. Intermediate Coat: 4.5 to 5.44 kg/10 sq. m .

J. Fire-Test-Response Characteristics: Class A roof covering per ASTM E 108.

2.3 MISCELLANEOUS MATERIALS

B. Joint Sealants: Multicomponent urethane sealant recommended in writing by

manufacturer for substrate and joint conditions indicated and for compatibility with

traffic coatings; complying with ASTM C 920, Type M, Class 25, Grade NS for sloping

and vertical applications or Grade P for deck applications, and Use T where subject to

traffic or Use NT elsewhere.

C. Sheet Flashing: Nonstaining.

1. Minimum Thickness: 1.5 mm .

2. Material: Sheet material recommended in writing by traffic coating manufacturer .

D. Adhesive: Contact adhesive recommended in writing by traffic coating manufacturer.

E. Reinforcing Strip: Fiberglass mesh recommended in writing by traffic coating

manufacturer.

2.4 PAVEMENT MARKINGS

B. Pavement-Marking Paint: Alkyd-resin ready mixed, complying with AASHTO M 248,

Type F.

1. Color: As selected by Engineer from manufacturer‟s full range.

C. Pavement-Marking Paint: Latex, waterborne emulsion, lead and chromate free, ready

mixed, complying with FS TT-P-1952, with drying time of less than three minutes.

1. Color: As selected by Engineer from manufacturer‟s full range.

PART 3 - EXECUTION

3.1 EXAMINATION

B. Examine substrates, with Applicator present, for compliance with requirements and for

other conditions affecting performance of traffic coatings.

1. For the record, prepare written report, endorsed by Applicator, listing conditions

detrimental to performance.

2. Verify compatibility with and suitability of substrates.

3. Begin coating application only after minimum concrete curing and drying period

recommended by traffic coating manufacturer has passed, after unsatisfactory

conditions have been corrected, and after surfaces are dry.

4. Verify that substrates are visibly dry and free of moisture.

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a. Test for moisture vapor transmission by plastic sheet method according to

ASTM D 4263.

b. Test for moisture content by method recommended in writing by

manufacturer.

5. Application of coating indicates acceptance of surfaces and conditions.

3.2 PREPARATION

B. Clean and prepare substrates according to ASTM C 1127 and manufacturer's written

recommendations to produce clean, dust-free, dry substrate for traffic coating application.

1. Acid etching of concrete surfaces shall not be allowed.

C. Mask adjoining surfaces not receiving traffic coatings, deck drains, and other deck

substrate penetrations to prevent spillage, leaking, and migration of coatings.

D. Concrete Substrates: Mechanically abrade concrete surfaces to a uniform profile

according to ASTM D 4259. Do not acid etch.

1. Remove grease, oil, paints, and other penetrating contaminants from concrete.

2. Remove concrete fins, ridges, and other projections.

3. Remove laitance, glaze, efflorescence, curing compounds, concrete hardeners,

form-release agents, and other incompatible materials that might affect coating

adhesion.

4. Remove remaining loose material to provide a sound surface, and clean surfaces

according to ASTM D 4258.

3.3 TERMINATIONS AND PENETRATIONS

B. Prepare vertical and horizontal surfaces at terminations and penetrations through traffic

coatings and at expansion joints, drains, and sleeves according to ASTM C 1127 and

manufacturer's written recommendations.

C. Provide sealant cants at penetrations and at reinforced and nonreinforced deck-to-wall

butt joints.

D. Terminate edges of deck-to-deck expansion joints with preparatory base-coat strip.

E. Install sheet flashings at deck-to-wall expansion and dynamic joints, and bond to deck

and wall substrates according to manufacturer's written recommendations.

3.4 JOINT AND CRACK TREATMENT

B. Prepare, treat, rout, and fill joints and cracks in substrates according to ASTM C 1127

and traffic coating manufacturer's written recommendations. Before coating surfaces,

remove dust and dirt from joints and cracks according to ASTM D 4258.

1. Comply with recommendations in ASTM C 1193 for joint-sealant installation.

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3.5 TRAFFIC COATING APPLICATION

B. Apply traffic coating material according to ASTM C 1127 and manufacturer's written

recommendations.

1. Start traffic coating application in presence of manufacturer's technical

representative.

2. Verify that wet film thickness of each component coat complies with requirements

every 9 m2.

3. Apply traffic coatings to prepared wall terminations and vertical surfaces to height

indicated and omit aggregate on vertical surfaces.

C. Cure traffic coatings according to manufacturer's written recommendations. Prevent

contamination and damage during application and curing stages.

3.6 PAVEMENT MARKINGS

B. Do not apply traffic paint for striping and other markings until traffic coating has cured

according to manufacturer's written recommendations.

C. Apply traffic paint for striping and other markings with mechanical equipment to produce

uniform straight edges. Apply at manufacturer's recommended rates for a (0.38-mm-)

minimum wet film thickness.

3.7 FIELD QUALITY CONTROL

B. Testing: Engage a qualified testing agency to perform the following field quality-control

testing:

1. Samples of material delivered to Project site shall be taken, identified, sealed, and

certified in presence of Engineer.

2. Testing agency shall perform tests for characteristics specified, using applicable

referenced testing procedures or, if not referenced, using tests cited in

manufacturer's product data.

3. Testing agency shall verify thickness of coatings during traffic coating application.

4. If test results show traffic coating materials do not comply with requirements,

remove noncomplying materials, prepare surfaces, and reapply traffic coatings.

C. Flood Testing: Flood test each deck area for leaks, according to recommendations in

ASTM D 5957, after traffic coating has completely cured. Install temporary containment

assemblies, plug or dam drains, and flood with potable water.

1. Flood to an average depth of 65 mm with a minimum depth of 25 mm and not

exceeding a depth of 100 mm.

2. Flood each area for 48 hours.

3. After flood testing, repair leaks, repeat flood tests, and make further repairs until

traffic coating installation is watertight.

4. Engage an independent testing agency to observe flood testing and examine

underside of decks and terminations for evidence of leaks during flood testing.

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D. Final Traffic Coating Inspection: Arrange for traffic coating manufacturer's technical

personnel to inspect membrane installation on completion.

1. Notify Engineer or Owner 48 hours in advance of date and time of inspection.

E. Additional testing and inspecting, at Contractor's expense, will be performed to

determine compliance of replaced or additional work with specified requirements.

3.8 CURING, PROTECTINGAND CLEANING

B. Cure traffic coatings according to manufacturer's written recommendations. Prevent

contamination and damage during application and curing stages.

C. Protect traffic coatings from damage and wear during remainder of construction period.

D. Clean spillage from adjacent construction using cleaning agents and procedures

recommended by manufacturer of affected construction.

END OF SECTION 07180

SECTION 08331

OVERHEAD COILING DOORS

Delete clauses 2.04B & C and add the following:

B. Curtain slats (steel shutters): finish to be epoxy primer with polyurethane top coat (2 coats)

END OF SECTION 08331

SECTION 08800

GLAZING

2.02 SECURITY GRADE GLAZING

Add new clause 5:

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5. LAMINATED BULLET RESISTANT GLASS: Provide laminated Bullet resistant glass to NATO grade

6.52. Glass shall be tested as per requirements of MOI and provided with appropriate

certification.

Add new clause2.06:

3.9 PLASTIC GLAZING

B. Uncoated Monolithic Acrylic Sheet: ASTM D 4802, Type UVA (formulated with

ultraviolet absorber), Finish 1 (smooth or polished), and as follows:

1. Category A-1 (cell-cast sheet).

2. Transparent Colors/Light Transmittance: As follows, with visible light

transmittance measured per ASTM D 1003:

a. Color and density as selected by Engineer from manufacturer's full range of

transparent colors.

END OF SECTION 08800

SECTION 09310

CERAMIC TILES

Clause 2.02add new item c:

C. PORCELAIN FLOOR TILES AND FITTINGS: to BS 6431-6, with water absorption e0.5 %.

Tiles are to be fully vitrified unglazed, with non-slip finish and to sizes as shown on Drawings.

Submit samples and catalogues for selection of colours by the Engineer from manufacturer‟s

standard range.

END OF SECTION 09310

SECTION 09547

LINEAR METAL CEILINGS

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PART 1 - GENERAL

1.1 RELATED DOCUMENTS

B. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

B. This Section includes strip, decorative, aluminum linear metal pans and suspension

systems for ceilings.

C. Related Sections include the following:

1. Division 9 Section "Acoustical Ceilings" for ceilings consisting of mineral-base

and glass-fiber-base acoustical panels and exposed suspension systems.

2. Divisions 13, 15, and 16 Sections for light fixtures, sprinklers, and air-distribution

components.

D. Products furnished, but not installed under this Section, include anchors, clips, and other

ceiling attachment devices to be cast in concrete at ceilings.

1.3 DEFINITIONS

B. LR: Light Reflectance coefficient.

C. NRC: Noise Reduction Coefficient.

1.4 PERFORMANCE REQUIREMENTS

B. Thermal Movements: Provide exterior linear metal ceilings that allow for thermal

movements resulting from the following maximum change (range) in ambient and

surface temperatures by preventing buckling, opening of joints, overstressing of

components, failure of connections, and other detrimental effects. Base engineering

calculation on surface temperatures of materials due to both solar heat gain and

nighttime-sky heat loss.

1. Temperature Change (Range): 55 deg C.

C. Seismic Performance: Provide linear metal ceilings designed and installed to withstand

the effects of earthquake motions according to the following, as directed by the Enginer:

1. CISCA's Recommendations for Acoustical Ceilings: Comply with CISCA's

"Recommendations for Direct-Hung Acoustical Tile and Lay-in Panel Ceilings--

Seismic Zones 0-2."

2. CISCA's Guidelines for Systems Requiring Seismic Restraint: Comply with

CISCA's "Guidelines for Seismic Restraint of Direct-Hung Suspended Ceiling

Assemblies--Seismic Zones 3 & 4."

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3. UBC Standard 25-2, "Metal Suspension Systems for Acoustical Tile and for Lay-in

Panel Ceilings."

1.5 SUBMITTALS

B. Product Data: For each type of product indicated.

C. Performance Data: For installed products indicated to comply with design loads and

other criteria, include structural analysis and other analytical data signed and sealed by

the qualified professional engineer responsible for their preparation.

D. Installer Certificates: Signed by product manufacturer certifying that Installer is

approved, authorized, or licensed by manufacturer to install his products.

E. Installer Experience: List of five projects (minimum) of a similar nature carried out

successfully by the installer with the same product endorsed by the manufacturer‟s

representative.

F. Coordination Drawings: Reflected ceiling plans drawn to scale and coordinating

penetrations and ceiling-mounted items. Show the following:

1. Linear pattern.

2. Joint pattern.

3. Ceiling suspension members.

4. Method of attaching hangers to building structure.

a. Furnish layouts for cast-in-place anchors, clips, and other ceiling attachment

devices whose installation is specified in other Sections.

5. Ceiling-mounted items including light fixtures, diffusers, grilles, speakers,

sprinklers, and access panels.

6. Ceiling perimeter and penetrations through ceiling; trim and moldings.

7. Minimum Drawing Scale: 1:50 .

G. Samples for Initial Selection: For components with factory-applied color and other

decorative finishes.

H. Samples for Verification: For each component indicated and for each exposed finish

required, prepared on Samples of size indicated below.

1. Linear Metal Pan: Set of 300-mm- long Samples of each type and color and a 300-

mm- long spliced section.

2. Suspension System Members: 300-mm- long Sample of each type.

3. Exposed Molding and Trim: Set of 300-mm- long Samples of each type, finish,

and color.

4. Filler Strips: Set of 300-mm- long Samples of each type, finish, and color.

5. End Cap: Full size.

I. Qualification Data: For professional engineer and testing agency.

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J. Product Test Reports: Based on evaluation of comprehensive tests performed by a

qualified testing agency, for each linear metal ceiling.

K. Research/Evaluation Reports: For linear metal ceiling and components and anchor type.

L. Maintenance Data: For finishes to include in maintenance manuals.

1.6 QUALITY ASSURANCE

B. Acoustical Testing Agency Qualifications: An independent testing laboratory or an

NVLAP-accredited laboratory with the experience and capability to conduct the testing

indicated, as documented according to ASTM E 548. NVLAP-accredited laboratories

must document accreditation, based on a "Certificate of Accreditation" and a "Scope of

Accreditation" listing the test methods specified.

C. Installer Qualifications: A qualified firm specializing in performing the work of this

Section with minimum three years documented experience and that is approved,

authorized, or licensed by the product manufacturer to install his product and that is

eligible to receive manufacturer's warranty. Include project names and addresses, names

and addresses of Engineers and Employers, and other information specified

D. Source Limitations: Obtain each set of linear metal pans and suspension systems from

one source with resources to provide products of consistent quality in appearance,

physical properties, and performance.

E. Fire-Test-Response Characteristics: Provide linear metal ceilings with surface-burning

characteristics complying with ASTM E 1264 for Class A materials, as determined by

testing identical products per ASTM E 84 by UL or another testing and inspecting agency

acceptable to authorities having jurisdiction.

F. Mockups: Build mockups to verify selections made under sample Submittals and to

demonstrate aesthetic effects and qualities of materials and execution.

1. Approved mockups may become part of the completed Work if undisturbed at time

of Substantial Completion.

G. Preinstallation Conference: Conduct conference at Project site to comply with

requirements in Division 1 Section "Project Management and Coordination."

1.7 DELIVERY, STORAGE, AND HANDLING

B. Deliver linear metal pans, suspension system components, and accessories to Project site

in original, unopened packages and store them in a fully enclosed, conditioned space

where they will be protected against damage from moisture, humidity, temperature

extremes, direct sunlight, surface contamination, and other causes.

1.8 PROJECT CONDITIONS

B. Environmental Limitations: Do not install linear metal ceilings until spaces are enclosed

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and weatherproof, wet work in spaces is complete and dry, work above ceilings is

complete, and ambient temperature and humidity conditions are maintained at the levels

indicated for Project when occupied for its intended use.

1.9 COORDINATION

B. Coordinate layout and installation of linear metal pans and suspension system with other

construction that penetrates ceilings or is supported by them, including light fixtures,

HVAC equipment, fire-suppression system, and partition assemblies.

1.10 EXTRA MATERIALS

B. Furnish extra materials described below that match products installed and that are

packaged with protective covering for storage and identified with labels describing

contents.

1. Linear Metal Ceiling Components: Quantity of each pan, carrier, accessory, and

exposed molding and trim equal to 2.0 percent of quantity installed.

PART 2 - PRODUCTS

2.1 LINEAR METAL CEILING PANS

B. Acoustical Metal Pan Standard: Provide manufacturer's standard linear metal pans of

configuration indicated that comply with ASTM E 1264 classifications as designated by

types, acoustical ratings, and light reflectances, unless otherwise indicated.

1. Mounting Method for Measuring NRC: Type E-400; plenum mounting in which

face of test specimen is 400 mm away from test surface per ASTM E 795.

C. Sheet Metal Characteristics: For metal fabrications exposed to view in the completed

Work, provide materials with smooth, flat surfaces without blemishes. Do not use

materials with exposed pitting, seam marks, roller marks, roughness, stains, or

discolorations.

1. Aluminum Sheet: Roll-formed aluminum sheet, complying with ASTM B 209M;

alloy and temper recommended by aluminum producer and finisher for type of use

and finish indicated.

D. Pan Fabrication: Manufacturer's standard units of size, profile, and edge treatment

indicated, formed from metal indicated to snap on and be securely retained on carriers

without separate fasteners, and finished to comply with requirements indicated.

E. Pan Splices: Construction same as pans, in lengths 200 to 300 mm; with manufacturer's

standard finish.

F. End Caps: Manufacturer's standard material; fabricated to fit and conceal exposed ends

of pans.

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G. Filler Strips: Manufacturer's standard material; fabricated to uninterruptedly close voids

between pans.

H. Moldings and Trim: Provide manufacturer's standard moldings and trim for exposed

members, and as indicated or required, for edges and penetrations of ceiling, around

fixtures, at changes in ceiling height, and for other conditions; of same metal and finish

as linear metal ceiling pans.

2.2 METAL SUSPENSION SYSTEMS

B. Metal Suspension Systems Standard: Provide ceiling manufacturer's standard metal

suspension systems of types and finishes indicated that comply with applicable

ASTM C 635 requirements.

C. Suspension Systems: Provide systems complete with carriers, splice sections, connector

clips, alignment clips, leveling clips, hangers, molding, trim, retention clips, load-

resisting struts, fixture adapters, and other suspension components required to support

ceiling units and other ceiling-supported construction.

D. Attachment Devices: Size for 5 times the design load indicated in ASTM C 635, Table 1,

Direct Hung, unless otherwise indicated.

1. Postinstalled Anchors in Concrete: Anchors of type and material indicated below,

with holes or loops for attaching hangers of type indicated and with capability to

sustain, without failure, a load equal to five times that imposed by ceiling

construction, as determined by testing per ASTM E 488 or ASTM E 1512 as

applicable, conducted by a qualified testing and inspecting agency.

a. Type: Postinstalled expansion anchors.

b. Type: Postinstalled adhesive anchors.

c. Corrosion Protection: Carbon-steel components zinc plated to comply with

ASTM B 633, Class Fe/Zn 5 (0.005 mm) for Class SC service condition

(mild).

E. Wire Hangers, Braces, and Ties: Provide wire complying with the following

requirements:

1. Zinc-Coated Carbon-Steel Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft

temper.

2. Size: Select wire diameter so its stress at 3 times the hanger design load

(ASTM C 635, Table 1, Direct Hung) will be less than yield stress of wire, but

provide not less than 3.5-mm- diameter wire.

F. Hanger Rods and Flat Hangers: Mild steel, zinc coated or protected with rust-inhibitive

paint.

G. Angle Hangers: Angles with legs not less than 22 mm wide; formed from 1-mm- thick,

galvanized steel sheet complying with ASTM A 653/A 653M, Z275 coating designation;

with bolted connections and 8-mm- diameter bolts.

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H. Carriers: Factory finished with matte-black baked finish.

1. Main Carriers: Aluminum, not less than 6 mm rolled sheet, alloy and temper

recommended by aluminum producer and finisher for type of use and finish

indicated, complying with ASTM B 209M.

2. Adaptable Carriers: Manufacturer's standard carriers for direct attachment to

existing suspended tees.

3. Expansion Carriers: Manufacturer's standard carriers allowing for irregularities or

other unusual space conditions.

I. Carrier Splices: Same metal, profile, and finish as indicated for carriers.

J. Stabilizer Channels, Tees, and Bars: Manufacturer's standard components for stabilizing

main carriers at regular intervals and at light fixtures, air-distribution equipment, access

doors, and other equipment; spaced as standard with manufacturer for use indicated; and

factory finished with matte-black baked finish.

K. Seismic Struts: Manufacturer's standard compression struts designed to accommodate

seismic forces.

L. Hold-Down Clips: Manufacturer's standard hold-down clips spaced as standard with

manufacturer.

M. Edge Moldings and Trim: Provide exposed members as indicated or required to comply

with seismic requirements of authorities having jurisdiction, to conceal edges of

penetrations through ceiling, to conceal ends of pans and carriers, for fixture trim and

adapters, for fasciae at changes in ceiling height, and for other conditions; of metal and

finish matching linear metal pans or extruded plastic, unless otherwise indicated.

1. For Circular Penetrations of Ceiling: Fabricate edge moldings to diameter required

to fit penetration exactly.

2.3 ALUMINUM PANS AND SUSPENSION SYSTEM FOR LINEAR METAL CEILING

B. Classification: Units complying with ASTM E 1264 for Type XIII, aluminum strips

with mineral- or glass-fiber-base backing; Form 2, nonperforated.

C. Pan Thickness: Not less than 1.0 mm.

D. Pan Edge Detail: Square .

E. Linear Module Width and Pan Face Width: 200-mm module width and 180-mm face

width.

F. Pan Depth: Not less than 25 to 38 mm deep.

G. End Cap, Finish of Exposed Portions: Manufacturer's standard finish.

H. Filler Strip Design: Recessed unless otherwise indicated.

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I. Filler Strip, Finish of Exposed Portions: To match pan.

J. LR: Not less than 0.75.

K. NRC: Not less than 0.75.

L. Suspension-System Main-Carrier Material: Aluminum.

2.4 ACCESSORIES

B. Access Panels: For access at locations indicated, provide door hinge assembly, retainer

clip, and retainer bar, assembled with ceiling panels and carrier sections into access doors

of required size, permitting upward or downward opening.

2.5 FINISHES, GENERAL

B. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products"

for recommendations for applying and designating finishes.

C. Protect mechanical finishes on exposed surfaces from damage by applying a strippable,

temporary protective covering before shipping.

D. Appearance of Finished Work: Variations in appearance of abutting or adjacent pieces

are acceptable if they are within one-half of the range of approved Samples. Noticeable

variations in the same piece are not acceptable. Variations in appearance of other

components are acceptable if they are within the range of approved Samples and are

assembled or installed to minimize contrast.

2.6 ALUMINUM FINISHES

B. Finish designations prefixed by AA comply with the system established by the

Aluminum Association for designating aluminum finishes.

C. Powder-Coat-Applied Finish: polyester powder coating for galvanized steel and

aluminum alloy components is to be approved type to meet the requirements of AAMA

603 / BS 6496 and 6497 consisting of powder particles of resinous material and additives

to improve performance. The coating is to be electrostatically sprayed on the object to

produce a hard, durable coating.

1. Minimum dry film thickness is to be 80microns

2. Color: As selected by Engineer from manufacturer‟s full range of colors

3. Surface finish: satin

PART 3 - EXECUTION

3.1 EXAMINATION

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B. Examine substrates, areas, and conditions, including structural framing and substrates to

which linear metal ceilings attach or abut, with Installer present, for compliance with

requirements specified in this and other Sections that affect ceiling installation and

anchorage and with requirements for installation tolerances and other conditions affecting

performance of linear metal ceilings.

C. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

B. Measure each ceiling area and establish layout of linear metal pans to balance border

widths at opposite edges of each ceiling. Avoid using less-than-half-width pans at

borders, and comply with layout shown on reflected ceiling plans.

3.3 INSTALLATION, GENERAL

B. General: Install linear metal ceilings to comply with ASTM C 636 and seismic

requirement indicated, per manufacturer's written instructions and CISCA's "Ceiling

Systems Handbook."

C. Suspend ceiling hangers from building's structural members and as follows:

1. Install hangers plumb and free from contact with insulation or other objects within

plenum that are not part of supporting structure or of ceiling suspension system.

2. Splay hangers only where required to miss obstructions; offset resulting horizontal

forces by bracing, countersplaying, or other equally effective means.

3. Where width of ducts and other construction within plenum produces hanger

spacings that interfere with location of hangers at spacings required to support

standard suspension system members, install supplemental suspension members

and hangers in form of trapezes or equivalent devices. Size supplemental

suspension members and hangers to support ceiling loads within performance

limits established by referenced standards and publications.

4. Secure wire hangers to ceiling suspension members and to supports above with a

minimum of three tight turns. Connect hangers directly to structures or to inserts,

eye screws, or other devices that are secure and appropriate for substrate and that

will not deteriorate or otherwise fail due to age, corrosion, or elevated

temperatures.

5. Secure flat, angle, channel, and rod hangers to structure, including intermediate

framing members, by attaching to inserts, eye screws, or other devices that are

secure and appropriate for both structure to which hangers are attached and type of

hanger involved. Install hangers in a manner that will not cause them to deteriorate

or fail due to age, corrosion, or elevated temperatures.

6. Do not support ceilings directly from permanent metal forms or floor deck. Fasten

hangers to cast-in-place hanger inserts, postinstalled mechanical or adhesive

anchors, or power-actuated fasteners that extend through forms into concrete.

7. Do not attach hangers to steel deck tabs.

8. Do not attach hangers to steel roof deck. Attach hangers to structural members.

9. Space hangers not more than 1200 mm o.c. along each member supported directly

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from hangers, unless otherwise indicated; and provide hangers not more than 200

mm from ends of each member.

D. Secure bracing wires to ceiling suspension members and to supports with a minimum of

four tight turns. Suspend bracing from building's structural members as required for

hangers but without attaching to permanent metal forms, steel deck, or steel deck tabs.

Fasten bracing wires into concrete with cast-in-place or postinstalled anchors.

E. Install edge moldings and trim of type indicated at perimeter of linear metal ceiling area

and where necessary to conceal edges and ends of linear metal pans.

1. Screw attach moldings to substrate at intervals not more than 400 mm o.c. and not

more than 75 mm from ends, leveling with ceiling suspension system to a tolerance

of 3.2 mm in 3.66 m. Miter corners accurately and connect securely.

2. Do not use exposed fasteners, including pop rivets, on moldings and trim.

F. Install suspension system carriers so they are aligned and securely interlocked with one

another. Remove and replace dented, bent, or kinked members.

G. Cut linear metal pans for accurate fit at borders and at interruptions and penetrations by

other work through ceilings. Stiffen edges of cut units as required to eliminate evidence

of buckling or variations in flatness exceeding referenced standards for stretcher-leveled

metal sheet.

H. Install linear metal pans in coordination with suspension system and exposed moldings

and trim.

1. Align joints in adjacent courses to form uniform, straight joints parallel to room

axis in both directions, unless otherwise indicated.

2. Fit adjoining units to form flush, tight joints. Scribe and cut units for accurate fit at

borders and around construction penetrating ceiling.

3. Install pans with butt joints using internal pan splices and in the following joint

configuration:

a. Aligned unless otherwise indicated.

4. Where metal pan ends are visible, install end caps unless trim is indicated.

5. Install filler strips where indicated.

3.4 CLEANING

B. Clean exposed surfaces of linear metal ceilings, including trim and edge moldings after

removing strippable, temporary protective covering if any. Comply with manufacturer's

written instructions for stripping of temporary protective covering, cleaning, and touchup

of minor finish damage. Remove and replace ceiling components that cannot be

successfully cleaned and repaired to permanently eliminate evidence of damage,

including dented and bent units.

END OF SECTION 09547

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SECTION 09549

SECURITY CEILING SYSTEMS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

B. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

B. This Section includes strip, decorative, aluminum linear metal pans and suspension

systems for ceilings.

C. Related Sections include the following:

1. Division 9 Section "Acoustical Ceilings" for ceilings consisting of mineral-base

and glass-fiber-base acoustical panels and exposed suspension systems.

2. Divisions 13, 15, and 16 Sections for light fixtures, sprinklers, and air-distribution

components.

D. Products furnished, but not installed under this Section, include anchors, clips, and other

ceiling attachment devices to be cast in concrete at ceilings.

1.3 DEFINITIONS

B. LR: Light Reflectance coefficient.

C. NRC: Noise Reduction Coefficient.

1.4 PERFORMANCE REQUIREMENTS

B. Thermal Movements: Provide exterior linear metal ceilings that allow for thermal

movements resulting from the following maximum change (range) in ambient and

surface temperatures by preventing buckling, opening of joints, overstressing of

components, failure of connections, and other detrimental effects. Base engineering

calculation on surface temperatures of materials due to both solar heat gain and

nighttime-sky heat loss.

1. Temperature Change (Range): 55 deg C.

C. Seismic Performance: Provide linear metal ceilings designed and installed to withstand

the effects of earthquake motions according to the following, as directed by the Enginer:

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1. CISCA's Recommendations for Acoustical Ceilings: Comply with CISCA's

"Recommendations for Direct-Hung Acoustical Tile and Lay-in Panel Ceilings--

Seismic Zones 0-2."

2. CISCA's Guidelines for Systems Requiring Seismic Restraint: Comply with

CISCA's "Guidelines for Seismic Restraint of Direct-Hung Suspended Ceiling

Assemblies--Seismic Zones 3 & 4."

3. UBC Standard 25-2, "Metal Suspension Systems for Acoustical Tile and for Lay-in

Panel Ceilings."

1.5 SUBMITTALS

B. Product Data: For each type of product indicated.

C. Performance Data: For installed products indicated to comply with design loads and

other criteria, include structural analysis and other analytical data signed and sealed by

the qualified professional engineer responsible for their preparation.

D. Installer Certificates: Signed by product manufacturer certifying that Installer is

approved, authorized, or licensed by manufacturer to install his products.

E. Installer Experience: List of five projects (minimum) of a similar nature carried out

successfully by the installer with the same product endorsed by the manufacturer‟s

representative.

F. Coordination Drawings: Reflected ceiling plans drawn to scale and coordinating

penetrations and ceiling-mounted items. Show the following:

1. Linear pattern.

2. Joint pattern.

3. Ceiling suspension members.

4. Method of attaching hangers to building structure.

a. Furnish layouts for cast-in-place anchors, clips, and other ceiling attachment

devices whose installation is specified in other Sections.

5. Ceiling-mounted items including light fixtures, diffusers, grilles, speakers,

sprinklers, and access panels.

6. Ceiling perimeter and penetrations through ceiling; trim and moldings.

7. Minimum Drawing Scale: 1:50 .

G. Samples for Initial Selection: For components with factory-applied color and other

decorative finishes.

H. Samples for Verification: For each component indicated and for each exposed finish

required, prepared on Samples of size indicated below.

1. Linear Metal Pan: Set of 300-mm- long Samples of each type and color and a 300-

mm- long spliced section.

2. Suspension System Members: 300-mm- long Sample of each type.

3. Exposed Molding and Trim: Set of 300-mm- long Samples of each type, finish,

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and color.

4. Filler Strips: Set of 300-mm- long Samples of each type, finish, and color.

5. End Cap: Full size.

I. Qualification Data: For professional engineer and testing agency.

J. Product Test Reports: Based on evaluation of comprehensive tests performed by a

qualified testing agency, for each linear metal ceiling.

K. Research/Evaluation Reports: For linear metal ceiling and components and anchor type.

L. Maintenance Data: For finishes to include in maintenance manuals.

1.6 QUALITY ASSURANCE

B. Acoustical Testing Agency Qualifications: An independent testing laboratory or an

NVLAP-accredited laboratory with the experience and capability to conduct the testing

indicated, as documented according to ASTM E 548. NVLAP-accredited laboratories

must document accreditation, based on a "Certificate of Accreditation" and a "Scope of

Accreditation" listing the test methods specified.

C. Installer Qualifications: A qualified firm specializing in performing the work of this

Section with minimum three years documented experience and that is approved,

authorized, or licensed by the product manufacturer to install his product and that is

eligible to receive manufacturer's warranty. Include project names and addresses, names

and addresses of Engineers and Employers, and other information specified

D. Source Limitations: Obtain each set of linear metal pans and suspension systems from

one source with resources to provide products of consistent quality in appearance,

physical properties, and performance.

E. Fire-Test-Response Characteristics: Provide linear metal ceilings with surface-burning

characteristics complying with ASTM E 1264 for Class A materials, as determined by

testing identical products per ASTM E 84 by UL or another testing and inspecting agency

acceptable to authorities having jurisdiction.

F. Mockups: Build mockups to verify selections made under sample Submittals and to

demonstrate aesthetic effects and qualities of materials and execution.

1. Approved mockups may become part of the completed Work if undisturbed at time

of Substantial Completion.

G. Preinstallation Conference: Conduct conference at Project site to comply with

requirements in Division 1 Section "Project Management and Coordination."

1.7 DELIVERY, STORAGE, AND HANDLING

B. Deliver linear metal pans, suspension system components, and accessories to Project site

in original, unopened packages and store them in a fully enclosed, conditioned space

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where they will be protected against damage from moisture, humidity, temperature

extremes, direct sunlight, surface contamination, and other causes.

1.8 PROJECT CONDITIONS

B. Environmental Limitations: Do not install linear metal ceilings until spaces are enclosed

and weatherproof, wet work in spaces is complete and dry, work above ceilings is

complete, and ambient temperature and humidity conditions are maintained at the levels

indicated for Project when occupied for its intended use.

1.9 COORDINATION

B. Coordinate layout and installation of linear metal pans and suspension system with other

construction that penetrates ceilings or is supported by them, including light fixtures,

HVAC equipment, fire-suppression system, and partition assemblies.

1.10 EXTRA MATERIALS

B. Furnish extra materials described below that match products installed and that are

packaged with protective covering for storage and identified with labels describing

contents.

1. Linear Metal Ceiling Components: Quantity of each pan, carrier, accessory, and

exposed molding and trim equal to 2.0 percent of quantity installed.

PART 2 - PRODUCTS

2.1 LINEAR METAL CEILING PANS

B. Acoustical Metal Pan Standard: Provide manufacturer's standard linear metal pans of

configuration indicated that comply with ASTM E 1264 classifications as designated by

types, acoustical ratings, and light reflectances, unless otherwise indicated.

1. Mounting Method for Measuring NRC: Type E-400; plenum mounting in which

face of test specimen is 400 mm away from test surface per ASTM E 795.

C. Sheet Metal Characteristics: For metal fabrications exposed to view in the completed

Work, provide materials with smooth, flat surfaces without blemishes. Do not use

materials with exposed pitting, seam marks, roller marks, roughness, stains, or

discolorations.

1. Aluminum Sheet: Roll-formed aluminum sheet, complying with ASTM B 209M;

alloy and temper recommended by aluminum producer and finisher for type of use

and finish indicated.

D. Pan Fabrication: Manufacturer's standard units of size, profile, and edge treatment

indicated, formed from metal indicated to snap on and be securely retained on carriers

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without separate fasteners, and finished to comply with requirements indicated.

E. Pan Splices: Construction same as pans, in lengths 200 to 300 mm; with manufacturer's

standard finish.

F. End Caps: Manufacturer's standard material; fabricated to fit and conceal exposed ends

of pans.

G. Filler Strips: Manufacturer's standard material; fabricated to uninterruptedly close voids

between pans.

H. Moldings and Trim: Provide manufacturer's standard moldings and trim for exposed

members, and as indicated or required, for edges and penetrations of ceiling, around

fixtures, at changes in ceiling height, and for other conditions; of same metal and finish

as linear metal ceiling pans.

2.2 METAL SUSPENSION SYSTEMS

B. Metal Suspension Systems Standard: Provide ceiling manufacturer's standard metal

suspension systems of types and finishes indicated that comply with applicable

ASTM C 635 requirements.

C. Suspension Systems: Provide systems complete with carriers, splice sections, connector

clips, alignment clips, leveling clips, hangers, molding, trim, retention clips, load-

resisting struts, fixture adapters, and other suspension components required to support

ceiling units and other ceiling-supported construction.

D. Attachment Devices: Size for 5 times the design load indicated in ASTM C 635, Table 1,

Direct Hung, unless otherwise indicated.

1. Postinstalled Anchors in Concrete: Anchors of type and material indicated below,

with holes or loops for attaching hangers of type indicated and with capability to

sustain, without failure, a load equal to five times that imposed by ceiling

construction, as determined by testing per ASTM E 488 or ASTM E 1512 as

applicable, conducted by a qualified testing and inspecting agency.

a. Type: Postinstalled expansion anchors.

b. Type: Postinstalled adhesive anchors.

c. Corrosion Protection: Carbon-steel components zinc plated to comply with

ASTM B 633, Class Fe/Zn 5 (0.005 mm) for Class SC service condition

(mild).

E. Wire Hangers, Braces, and Ties: Provide wire complying with the following

requirements:

1. Zinc-Coated Carbon-Steel Wire: ASTM A 641/A 641M, Class 1 zinc coating, soft

temper.

2. Size: Select wire diameter so its stress at 3 times the hanger design load

(ASTM C 635, Table 1, Direct Hung) will be less than yield stress of wire, but

provide not less than 3.5-mm- diameter wire.

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F. Hanger Rods and Flat Hangers: Mild steel, zinc coated or protected with rust-inhibitive

paint.

G. Angle Hangers: Angles with legs not less than 22 mm wide; formed from 1-mm- thick,

galvanized steel sheet complying with ASTM A 653/A 653M, Z275 coating designation;

with bolted connections and 8-mm- diameter bolts.

H. Carriers: Factory finished with matte-black baked finish.

1. Main Carriers: Aluminum, not less than 6 mm rolled sheet, alloy and temper

recommended by aluminum producer and finisher for type of use and finish

indicated, complying with ASTM B 209M.

2. Adaptable Carriers: Manufacturer's standard carriers for direct attachment to

existing suspended tees.

3. Expansion Carriers: Manufacturer's standard carriers allowing for irregularities or

other unusual space conditions.

I. Carrier Splices: Same metal, profile, and finish as indicated for carriers.

J. Stabilizer Channels, Tees, and Bars: Manufacturer's standard components for stabilizing

main carriers at regular intervals and at light fixtures, air-distribution equipment, access

doors, and other equipment; spaced as standard with manufacturer for use indicated; and

factory finished with matte-black baked finish.

K. Seismic Struts: Manufacturer's standard compression struts designed to accommodate

seismic forces.

L. Hold-Down Clips: Manufacturer's standard hold-down clips spaced as standard with

manufacturer.

M. Edge Moldings and Trim: Provide exposed members as indicated or required to comply

with seismic requirements of authorities having jurisdiction, to conceal edges of

penetrations through ceiling, to conceal ends of pans and carriers, for fixture trim and

adapters, for fasciae at changes in ceiling height, and for other conditions; of metal and

finish matching linear metal pans or extruded plastic, unless otherwise indicated.

1. For Circular Penetrations of Ceiling: Fabricate edge moldings to diameter required

to fit penetration exactly.

2.3 ALUMINUM PANS AND SUSPENSION SYSTEM FOR LINEAR METAL CEILING

B. Classification: Units complying with ASTM E 1264 for Type XIII, aluminum strips

with mineral- or glass-fiber-base backing; Form 2, nonperforated.

C. Pan Thickness: Not less than 1.0 mm.

D. Pan Edge Detail: Square .

E. Linear Module Width and Pan Face Width: 200-mm module width and 180-mm face

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width.

F. Pan Depth: Not less than 25 to 38 mm deep.

G. End Cap, Finish of Exposed Portions: Manufacturer's standard finish.

H. Filler Strip Design: Recessed unless otherwise indicated.

I. Filler Strip, Finish of Exposed Portions: To match pan.

J. LR: Not less than 0.75.

K. NRC: Not less than 0.75.

L. Suspension-System Main-Carrier Material: Aluminum.

2.4 ACCESSORIES

B. Access Panels: For access at locations indicated, provide door hinge assembly, retainer

clip, and retainer bar, assembled with ceiling panels and carrier sections into access doors

of required size, permitting upward or downward opening.

2.5 FINISHES, GENERAL

B. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products"

for recommendations for applying and designating finishes.

C. Protect mechanical finishes on exposed surfaces from damage by applying a strippable,

temporary protective covering before shipping.

D. Appearance of Finished Work: Variations in appearance of abutting or adjacent pieces

are acceptable if they are within one-half of the range of approved Samples. Noticeable

variations in the same piece are not acceptable. Variations in appearance of other

components are acceptable if they are within the range of approved Samples and are

assembled or installed to minimize contrast.

2.6 ALUMINUM FINISHES

B. Finish designations prefixed by AA comply with the system established by the

Aluminum Association for designating aluminum finishes.

C. Powder-Coat-Applied Finish: polyester powder coating for galvanized steel and

aluminum alloy components is to be approved type to meet the requirements of AAMA

603 / BS 6496 and 6497 consisting of powder particles of resinous material and additives

to improve performance. The coating is to be electrostatically sprayed on the object to

produce a hard, durable coating.

1. Minimum dry film thickness is to be 80microns

2. Color: As selected by Engineer from manufacturer‟s full range of colors

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3. Surface finish: satin

PART 3 - EXECUTION

3.1 EXAMINATION

B. Examine substrates, areas, and conditions, including structural framing and substrates to

which linear metal ceilings attach or abut, with Installer present, for compliance with

requirements specified in this and other Sections that affect ceiling installation and

anchorage and with requirements for installation tolerances and other conditions affecting

performance of linear metal ceilings.

C. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

B. Measure each ceiling area and establish layout of linear metal pans to balance border

widths at opposite edges of each ceiling. Avoid using less-than-half-width pans at

borders, and comply with layout shown on reflected ceiling plans.

3.3 INSTALLATION, GENERAL

B. General: Install linear metal ceilings to comply with ASTM C 636 and seismic

requirement indicated, per manufacturer's written instructions and CISCA's "Ceiling

Systems Handbook."

C. Suspend ceiling hangers from building's structural members and as follows:

1. Install hangers plumb and free from contact with insulation or other objects within

plenum that are not part of supporting structure or of ceiling suspension system.

2. Splay hangers only where required to miss obstructions; offset resulting horizontal

forces by bracing, countersplaying, or other equally effective means.

3. Where width of ducts and other construction within plenum produces hanger

spacings that interfere with location of hangers at spacings required to support

standard suspension system members, install supplemental suspension members

and hangers in form of trapezes or equivalent devices. Size supplemental

suspension members and hangers to support ceiling loads within performance

limits established by referenced standards and publications.

4. Secure wire hangers to ceiling suspension members and to supports above with a

minimum of three tight turns. Connect hangers directly to structures or to inserts,

eye screws, or other devices that are secure and appropriate for substrate and that

will not deteriorate or otherwise fail due to age, corrosion, or elevated

temperatures.

5. Secure flat, angle, channel, and rod hangers to structure, including intermediate

framing members, by attaching to inserts, eye screws, or other devices that are

secure and appropriate for both structure to which hangers are attached and type of

hanger involved. Install hangers in a manner that will not cause them to deteriorate

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or fail due to age, corrosion, or elevated temperatures.

6. Do not support ceilings directly from permanent metal forms or floor deck. Fasten

hangers to cast-in-place hanger inserts, postinstalled mechanical or adhesive

anchors, or power-actuated fasteners that extend through forms into concrete.

7. Do not attach hangers to steel deck tabs.

8. Do not attach hangers to steel roof deck. Attach hangers to structural members.

9. Space hangers not more than 1200 mm o.c. along each member supported directly

from hangers, unless otherwise indicated; and provide hangers not more than 200

mm from ends of each member.

D. Secure bracing wires to ceiling suspension members and to supports with a minimum of

four tight turns. Suspend bracing from building's structural members as required for

hangers but without attaching to permanent metal forms, steel deck, or steel deck tabs.

Fasten bracing wires into concrete with cast-in-place or postinstalled anchors.

E. Install edge moldings and trim of type indicated at perimeter of linear metal ceiling area

and where necessary to conceal edges and ends of linear metal pans.

1. Screw attach moldings to substrate at intervals not more than 400 mm o.c. and not

more than 75 mm from ends, leveling with ceiling suspension system to a tolerance

of 3.2 mm in 3.66 m. Miter corners accurately and connect securely.

2. Do not use exposed fasteners, including pop rivets, on moldings and trim.

F. Install suspension system carriers so they are aligned and securely interlocked with one

another. Remove and replace dented, bent, or kinked members.

G. Cut linear metal pans for accurate fit at borders and at interruptions and penetrations by

other work through ceilings. Stiffen edges of cut units as required to eliminate evidence

of buckling or variations in flatness exceeding referenced standards for stretcher-leveled

metal sheet.

H. Install linear metal pans in coordination with suspension system and exposed moldings

and trim.

1. Align joints in adjacent courses to form uniform, straight joints parallel to room

axis in both directions, unless otherwise indicated.

2. Fit adjoining units to form flush, tight joints. Scribe and cut units for accurate fit at

borders and around construction penetrating ceiling.

3. Install pans with butt joints using internal pan splices and in the following joint

configuration:

a. Aligned unless otherwise indicated.

4. Where metal pan ends are visible, install end caps unless trim is indicated.

5. Install filler strips where indicated.

3.4 CLEANING

B. Clean exposed surfaces of linear metal ceilings, including trim and edge moldings after

removing strippable, temporary protective covering if any. Comply with manufacturer's

written instructions for stripping of temporary protective covering, cleaning, and touchup

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of minor finish damage. Remove and replace ceiling components that cannot be

successfully cleaned and repaired to permanently eliminate evidence of damage,

including dented and bent units.

END OF SECTION 09547

SECTION 09600

STONE WORK

Clause 2.01add new item E:

E. Marble slabs to have the following minimum properties:

Density: 2800 kg/m3

Compression strength: 52 MPa

Water absorption: 0.2 % max.

Modulus of rupture: 7 MPa.

Abrasion resistance C241, Ha: 10

Submit samples for approval of quality, texture, colour and dressing.

Clause 2.02add new item G:

G. Granite slabs to have the following minimum properties:

Density: 2560 kg/m3

Compression strength: 131 MPa

Water absorption: 0.4 % max.

Modulus of rupture: 10.34 MPa.

Abrasion resistance C241, Ha: 25

Submit samples for approval of quality, texture, colour and dressing.

END OF SECTION 09600

SECTION 10350

FLAGPOLES

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PART 1 - GENERAL

1.1 RELATED DOCUMENTS

B. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

B. This Section includes ground-set flagpoles made from steel.

1.3 PERFORMANCE REQUIREMENTS

B. Structural Performance: Provide flagpole assemblies, including anchorages and supports,

capable of withstanding the effects of wind loads, determined according to

NAAMM FP 1001, "Guide Specifications for Design of Metal Flagpoles."

1. Base flagpole design on polyester flags of maximum standard size suitable for use

with flagpole or flag size indicated, whichever is more stringent.

2. Basic Wind Speed: Determine loads and exposure according to UBC 1997 and

available information from authorities having jurisdiction. Submit information for

Engineer‟s approval.

1.4 SUBMITTALS

B. Product Data: For each type of flagpole required.

C. Shop Drawings: Include elevations and details showing general arrangement, jointing,

fittings and accessories, grounding, and anchoring and supporting systems.

1. Include details of foundation system for ground-set flagpoles.

D. Structural Calculations: For flagpoles indicated to comply with design loads, include

structural analysis data signed and sealed by the qualified professional engineer

responsible for their preparation.

E. Finish Samples for Verification: For each finished material used for flagpoles and

accessories.

F. Qualification Data: For professional engineer.

1.5 QUALITY ASSURANCE

B. Source Limitations: Obtain flagpole as a complete unit, including fittings, accessories,

bases, and anchorage devices, from a single manufacturer.

1. Obtain flagpoles through one source from a single manufacturer.

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1.6 WARRANTY

B. General Warranty: The special warranty specified in this Article shall not deprive

Employer of other rights Employer may have under other provisions of the Contract

Documents and shall be in addition to, and run concurrent with, other warranties made by

Contractor under requirements of the Contract Documents.

C. Special Warranty: Submit a written warranty, executed by the manufacturer, agreeing to

repair or replace flagpoles that fail in materials, finishes or workmanship within specified

warranty period. Failures include, but are not limited to, the following:

1. Deterioration of metals, metal finishes, and other materials beyond normal

weathering.

2. Structural failures including, but not limited to, excessive deflection.

3. Failure of operating components to function normally.

D. Warranty Period: Three years from date of Substantial Completion.

1.7 DELIVERY, STORAGE, AND HANDLING

B. General: Spiral wrap flagpoles with heavy paper and enclose in a hard fiber tube or other

protective container.

PART 2 - PRODUCTS

2.1 FLAGPOLES

B. Flagpole Construction, General: Construct flagpoles in one piece if possible. If more

than one piece is necessary, comply with the following:

1. Fabricate shop and field joints without using fasteners, screw collars, or lead

calking.

2. For tapered flagpoles, provide flush hairline joints using self-aligning, snug-fitting,

internal sleeves.

C. Exposed Height: 9.1 m unless otherwise indicated.

D. Steel Flagpoles: Provide cone-tapered flagpoles fabricated from standard-weight,

seamless steel pipe complying with ASTM A 53/A 53M, Type S, Grade B or steel tube

complying with ASTM A 513.

E. Foundation Tube: Galvanized corrugated-steel foundation tube, 1.6-mm- minimum

nominal wall thickness. Provide with 4.8-mm steel bottom plate and support plate; 19-

mm- diameter, steel ground spike; and steel centering wedges all welded together.

Galvanize steel parts, including foundation tube, after assembly. Provide loose hardwood

wedges at top of foundation tube for plumbing pole.

1. Provide flashing collar of same material and finish as flagpole.

2. Provide steel ground protectors extending 300 mm aboveground and 150 mm

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belowground for steel flagpoles where flashing collars are not provided.

F. Cast-Metal Shoe Base: For anchor-bolt mounting; provide with anchor bolts.

1. Provide units made from same metal and with same finish as flagpoles.

2. Provide ground spike at pavement-mounted metal flagpoles.

2.2 FITTINGS

B. Finial Ball: Manufacturer's standard flush-seam ball, sized as indicated or, if not

indicated, to match flagpole-butt diameter.

1. Spun stainless steel.

C. External Halyard: Ball-bearing, nonfouling, revolving truck assembly of cast metal with

continuous 8-mm- diameter, braided polypropylene halyard and 228-mm cast-metal

cleats with fasteners. Finish exposed metal surfaces to match flagpole.

1. Provide two halyards and two cleats at each flagpole.

2. Provide cast-metal cleat covers, finished to match flagpole, secured with cylinder

locks.

3. Provide halyard covers consisting of a 50-mm channel, 1500 mm long, finished to

match flagpole.

D. Halyard Flag Snaps: Provide two stainless-steel swivel snap hooks per halyard.

1. Provide with neoprene or vinyl covers.

2.3 MISCELLANEOUS MATERIALS

B. Concrete: Comply with requirements in Division 3 Section "Cast-in-Place Concrete" for

normal-weight, air-entrained, ready-mix concrete with a minimum 28-day compressive

strength of 20 MPa, unless otherwise indicated.

C. Nonshrink, Nonmetallic Grout: Factory-packaged, nonstaining, noncorrosive,

nongaseous grout complying with ASTM C 1107.

D. Sand: ASTM C 33, fine aggregate.

E. Elastomeric Joint Sealant: Multicomponent urethane joint sealant complying with

requirements in Division 7 Section "Sealants" for Use NT (nontraffic) and for Use M, G,

A, and, as applicable to joint substrates indicated, O joint substrates.

2.4 FINISHES

B. Metal Finishes, General: Comply with NAAMM's "Metal Finishes Manual for

Architectural and Metal Products" for recommendations for applying and designating

finishes.

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C. Stainless Steel: Grind and polish surfaces to produce uniform, bright, directional

polished finish (No. 4 finish), free of cross scratches. When polishing is completed,

passivate and rinse surfaces. Remove embedded foreign matter and leave surfaces

chemically clean.

D. Steel: Grind welds and polish surfaces to a smooth, even finish.

1. Galvanized Finish: Hot-dip galvanize after fabrication to comply with

ASTM A 123/A 123M.

2. Surface Preparation: Clean surfaces to comply with SSPC-SP 1, "Solvent

Cleaning," and SSPC-SP 5/NACE No. 1, "White Metal Blast Cleaning," or SSPC-

SP 8, "Pickling."

3. Interior: Apply one coat of bituminous paint on interior of flagpole, or otherwise

treat to prevent corrosion.

4. Polyurethane Enamel: Immediately after cleaning, apply manufacturer's standard

primer and two-coat, high-gloss, high-build polyurethane-enamel finish.

PART 3 - EXECUTION

3.1 PREPARATION

B. Prepare uncoated metal flagpoles that are set in foundation tubes by painting below-grade

portions with a heavy coat of bituminous paint.

C. Foundation Excavation: Excavate to neat clean lines in undisturbed soil. Remove loose

soil and foreign matter from excavation and moisten earth before placing concrete.

D. Provide forms where required due to unstable soil conditions and for perimeter of

flagpole base at grade. Secure and brace forms and foundation tube, sleeve, or anchor

bolts in position, to prevent displacement during concreting.

E. Place concrete immediately after mixing. Compact concrete in place by using vibrators.

Moist-cure exposed concrete for not less than seven days or use nonstaining curing

compound.

F. Trowel exposed concrete surfaces to a smooth, dense finish, free of trowel marks, and

uniform in texture and appearance. Provide positive slope for water runoff to perimeter

of concrete base.

3.2 FLAGPOLE INSTALLATION

B. General: Install flagpoles where shown and according to Shop Drawings and

manufacturer's written instructions.

C. Foundation-Tube Installation: Install flagpole in foundation tube, seated on bottom plate

between steel centering wedges. Plumb flagpole and install hardwood wedges to secure

flagpole in place. Place and compact sand in foundation tube and remove hardwood

wedges. Seal top of foundation tube with a 50-mm layer of elastomeric joint sealant and

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cover with flashing collar.

D. Baseplate Installation: Install baseplate on washers placed over leveling nuts on anchor

bolts and adjust until flagpole is plumb. After flagpole is plumb, tighten retaining nuts

and fill space under baseplate solidly with nonshrink, nonmetallic grout. Finish exposed

grout surfaces smooth and slope 45 degrees away from edges of baseplate.

END OF SECTION 10350

SECTION 10505

METAL LOCKERS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

B. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

B. Section Includes:

1. Heavy-duty metal lockers.

1.3 SUBMITTALS

B. Product Data: For each type of product indicated. Include construction details, material

descriptions, dimensions of individual components and profiles, and finishes for each

type of metal locker.

C. Shop Drawings: For metal lockers. Include plans, elevations, sections, details, and

attachments to other work.

1. Show locker trim and accessories.

2. Include locker identification system and numbering sequence.

D. Samples for Initial Selection: For units with factory-applied color finishes.

E. Samples for Verification: For metal lockers, in manufacturer's standard sizes.

F. Qualification Data: For qualified Installer.

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G. Maintenance Data: For adjusting, repairing, and replacing locker doors and latching

mechanisms to include in maintenance manuals.

H. Warranty: Sample of special warranty.

1.4 QUALITY ASSURANCE

B. Installer Qualifications: Manufacturer's authorized representative who is trained and

approved for installation of units required for this Project.

C. Source Limitations: Obtain metal lockers and accessories from single source from single

manufacturer.

D. Preinstallation Conference: Conduct conference at Project site.

1.5 DELIVERY, STORAGE, AND HANDLING

B. Do not deliver metal lockers until spaces to receive them are clean, dry, and ready for

their installation.

1.6 PROJECT CONDITIONS

B. Field Measurements: Verify actual dimensions of recessed openings by field

measurements before fabrication.

1.7 COORDINATION

B. Coordinate sizes and locations of framing, blocking, furring, reinforcements, and other

related units of work specified in other Sections to ensure that metal lockers can be

supported and installed as indicated.

1.8 WARRANTY

B. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair

or replace components of metal lockers that fail in materials or workmanship, excluding

finish, within specified warranty period.

1. Failures include, but are not limited to, the following:

a. Structural failures.

b. Faulty operation of latches and other door hardware.

2. Damage from deliberate destruction and vandalism is excluded.

3. Warranty Period for All-Welded Metal Lockers: 10 years from date of Substantial

Completion.

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1.9 EXTRA MATERIALS

B. Furnish extra materials that match products installed and that are packaged with

protective covering for storage and identified with labels describing contents.

1. Full-size units of the following metal locker hardware items equal to 10 percent of

amount installed for each type and finish installed, but no fewer than five units:

a. Locks.

b. Identification plates.

c. Hooks.

PART 2 - PRODUCTS

2.1 MATERIALS

B. Cold-Rolled Steel Sheet: ASTM A 1008/A 1008M, Commercial Steel (CS), Type B,

suitable for exposed applications.

C. Metallic-Coated Steel Sheet: ASTM A 653/A 653M, Commercial Steel (CS), Type B;

with ZF180 zinc-iron, alloy (galvannealed) coating designation.

D. Expanded Metal: ASTM F 1267, Type II (flattened), Class I, 19-mm steel mesh, with at

least 70 percent open area.

E. Stainless-Steel Sheet: ASTM A 666, Type 304.

F. Extruded Aluminum: ASTM B 221M, alloy and temper recommended by aluminum

producer and manufacturer for type of use and finish indicated.

G. Steel Tube: ASTM A 500, cold rolled.

H. Fasteners: Zinc- or nickel-plated steel, slotless-type, exposed bolt heads; with self-

locking nuts or lock washers for nuts on moving parts.

I. Anchors: Material, type, and size required for secure anchorage to each substrate.

1. Provide nonferrous-metal or hot-dip galvanized anchors and inserts on inside face

of exterior walls, and elsewhere as indicated, for corrosion resistance.

2. Provide toothed-steel or lead expansion sleeves for drilled-in-place anchors.

2.2 HEAVY-DUTY METAL LOCKERS

B. Locker Arrangement: Double tier.

C. Material: Cold-rolled steel sheet.

D. Body: Assembled by welding body components together. Fabricate from unperforated

steel sheet with thicknesses as follows:

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1. Tops, Bottoms, and Sides: 1.52-mm nominal thickness.

2. Backs: 1.21-mm nominal thickness.

3. Shelves: 1.52-mm nominal thickness, with double bend at front and single bend at

sides and back.

E. Frames: Channel formed; fabricated from 1.52-mm nominal-thickness steel sheet; lapped

and factory welded at corners; with top and bottom main frames factory welded into

vertical main frames. Form continuous, integral door strike full height on vertical main

frames.

1. Cross Frames between Tiers: Channel formed and fabricated from same material

as main frames; welded to vertical main frames.

F. Doors: One piece; fabricated from 1.90-mm nominal-thickness steel sheet; formed into

channel shape with double bend at vertical edges and with right-angle single bend at

horizontal edges.

1. Reinforcement: Manufacturer's standard reinforcing angles, channels, or stiffeners

for doors more than 381 mm wide; welded to inner face of doors.

2. Door Style:

a. Louvered Vents: No fewer than three louver openings at top and bottom for

double-tier lockers.

G. Hinges: Welded to door and attached to door frame with no fewer than two factory-

installed rivets per hinge that are completely concealed and tamper resistant when door is

closed; fabricated to swing 180 degrees.

1. Knuckle Hinges: Steel, full loop, five or seven knuckles, tight pin; minimum 51

mm high. Provide no fewer than three hinges for each door more than 1067 mm

high.

H. Recessed Door Handle and Latch: Stainless-steel cup with integral door pull, recessed so

locking device does not protrude beyond face of door; pry and vandal resistant.

1. Single-Point Latching: Nonmoving latch hook designed to engage bolt of built-in

combination or cylinder lock.

a. Latch Hook: Equip each door with one latch hook, fabricated from 3.04-mm

nominal-thickness steel sheet; welded midway up full-height door strike;

with resilient silencer.

I. Equipment: Equip each metal locker with identification plate and the following unless

otherwise indicated:

1. Double-Tier Units: One double-prong ceiling hook and two single-prong wall

hooks.

J. Accessories:

1. Legs: 152 mm high; formed by extending vertical frame members, or fabricated

from 1.90-mm nominal-thickness steel sheet; welded to bottom of locker.

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a. Closed Front and End Bases: Fabricated from 0.91-mm nominal-thickness

steel sheet.

2. Continuous Sloping Tops: Fabricated from 1.21-mm nominal-thickness steel sheet,

with a pitch of approximately 20 degrees.

a. Closures: Hipped-end type.

3. Recess Trim: Fabricated from 1.21-mm nominal-thickness steel sheet.

4. Filler Panels: Fabricated from 1.21-mm nominal-thickness steel sheet.

5. Boxed End Panels: Fabricated from 1.21-mm nominal-thickness steel sheet.

K. Finish: Baked enamel.

1. Color(s): Two colors, with door one color and frame and body another color; as

selected by Architect from manufacturer's full range.

2.3 FABRICATION

B. Fabricate metal lockers square, rigid, and without warp and with metal faces flat and free

of dents or distortion. Make exposed metal edges safe to touch and free of sharp edges

and burrs.

1. Form body panels, doors, shelves, and accessories from one-piece steel sheet unless

otherwise indicated.

2. Provide fasteners, filler plates, supports, clips, and closures as required for

complete installation.

C. Fabricate each metal locker with an individual door and frame; individual top, bottom,

and back; and common intermediate uprights separating compartments. Factory weld

frame members of each metal locker together to form a rigid, one-piece assembly.

D. All-Welded Construction: Factory preassemble metal lockers by welding all joints,

seams, and connections; with no bolts, nuts, screws, or rivets used in assembly of main

locker groups. Factory weld main locker groups into one-piece structures. Grind

exposed welds flush.

E. Accessible Lockers: Fabricate as follows:

1. Locate bottom shelf no lower than 381 mm above the floor.

2. Where hooks, coat rods, or additional shelves are provided, locate no higher than

1219 mm above the floor.

F. Hooks: Manufacturer's standard ball-pointed type, steel; zinc plated.

G. Continuous Base: Formed into channel or zee profile for stiffness, and fabricated in

lengths as long as practical to enclose base and base ends of metal lockers; finished to

match lockers.

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H. Continuous Sloping Tops: Fabricated in lengths as long as practical, without visible

fasteners at splice locations; finished to match lockers.

1. Sloping-top corner fillers, mitered.

I. Individual Sloping Tops: Fabricated in width to fit one locker frame in lieu of flat locker

tops; with integral back; finished to match lockers. Provide wedge-shaped divider panels

between lockers.

J. Recess Trim: Fabricated with minimum 64-mm face width and in lengths as long as

practical; finished to match lockers.

K. Filler Panels: Fabricated in an unequal leg angle shape; finished to match lockers.

Provide slip-joint filler angle formed to receive filler panel.

L. Boxed End Panels: Fabricated with 25-mm- wide edge dimension, and designed for

concealing fasteners and holes at exposed ends of nonrecessed metal lockers; finished to

match lockers.

1. Provide one-piece panels for double-row (back-to-back) locker ends.

M. Finished End Panels: Designed for concealing unused penetrations and fasteners, except

for perimeter fasteners, at exposed ends of nonrecessed metal lockers; finished to match

lockers.

1. Provide one-piece panels for double-row (back-to-back) locker ends.

N. Center Dividers: Full-depth, vertical partitions between bottom and shelf; finished to

match lockers.

2.4 STEEL SHEET FINISHES

B. Factory finish steel surfaces and accessories except stainless-steel and chrome-plated

surfaces.

C. Baked-Enamel Finish: Immediately after cleaning, pretreating, and phosphatizing, apply

manufacturer's standard thermosetting baked-enamel finish. Comply with paint

manufacturer's written instructions for application, baking, and minimum dry film

thickness.

PART 3 - EXECUTION

3.1 EXAMINATION

B. Examine walls, floors, and support bases, with Installer present, for compliance with

requirements for installation tolerances and other conditions affecting performance of the

Work.

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C. Prepare written report, endorsed by Installer, listing conditions detrimental to

performance of the Work.

D. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 INSTALLATION

B. General: Install level, plumb, and true; shim as required, using concealed shims.

1. Anchor locker runs at ends and at intervals recommended by manufacturer, but not

more than 910 mm o.c. Using concealed fasteners, install anchors through backup

reinforcing plates, channels, or blocking as required to prevent metal distortion.

2. Anchor single rows of metal lockers to walls near top and bottom of lockers of

lockers and to floor.

3. Anchor back-to-back metal lockers to floor.

C. All-Welded Metal Lockers: Connect groups together with standard fasteners, with no

exposed fasteners on face frames.

D. Equipment and Accessories: Fit exposed connections of trim, fillers, and closures

accurately together to form tight, hairline joints, with concealed fasteners and splice

plates.

1. Attach hooks with at least two fasteners.

2. Attach door locks on doors using security-type fasteners.

3. Identification Plates: Identify metal lockers with identification indicated on

Drawings.

a. Attach plates to each locker door, near top, centered, with at least two

aluminum rivets.

b. Attach plates to upper shelf of each open-front metal locker, centered, with a

least two aluminum rivets.

4. Attach recess trim to recessed metal lockers with concealed clips.

5. Attach filler panels with concealed fasteners. Locate filler panels where indicated

on Drawings.

6. Attach sloping-top units to metal lockers, with closures at exposed ends.

7. Attach boxed end panels with concealed fasteners to conceal exposed ends of

nonrecessed metal lockers.

8. Attach finished end panels with fasteners only at perimeter to conceal exposed ends

of nonrecessed metal lockers.

3.3 ADJUSTING, CLEANING, AND PROTECTION

B. Clean, lubricate, and adjust hardware. Adjust doors and latches to operate easily without

binding. Verify that integral locking devices operate properly.

C. Protect metal lockers from damage, abuse, dust, dirt, stain, or paint. Do not permit use

during construction.

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D. Touch up marred finishes, or replace metal lockers that cannot be restored to factory-

finished appearance. Use only materials and procedures recommended or furnished by

locker manufacturer.

END OF SECTION 10505

SECTION 15160

PUMPS / Diesel Driven Fire Pump

B. DIESEL Driven Fire Pump

1. Unit: to comprise diesel engine driven fire pump supplied complete as a

packaged unit with engine, fuel tank, hand operated diaphragm pump for

filling fuel tank, fuel pipe work, automatic starting equipment with

automatic transfer switch and electric control panel all mounted on steel

skid type base for permanent mounting with foundation bolt holes and

adequate grout volume. Unit shall meet NFPA 20 requirements and shall be

UL Listed, FM approved, type and capacity as shown on the drawings. The

fire pump shall be capable of delivering not less than 150% of rated flow at

not less than 65% rated head. The shut off (no flow) head shall not exceed

140% of rated head.

2. Pump to be horizontal split-case or vertical turbine type (as required)

specifically labeled for fire service. The total installed length of the pump

from bottom of base plate to bottom of suction inlet manifold shall be as

shown on drawings. The pump discharge head shall provide rigid mounting

support for the complete pump assembly. The pump line shaft bearings

shall be water lubricated by the liquid being pumped. Pump bowl

assemblies shall include cast iron bowls and bronze impellers and shall be

submerged as recommended in NFPA 20. The pump shall be installed with

a cast or fabricated non-ferrous metal strainer having a free area of not less

than four times the suction inlet area. Strainer openings shall be sized to

restrict the passage of objects 12 mm sphere size.

Pump shaft shall be stainless with bronze bearings and strainer shall be

brass.

Fire pump fittings which are subjected to pump discharge pressure shall be

ANSI 250 pound rating.

3. Pump Support to be substantial cast iron driving head is to be provided to

ensure rigid support for pump and bearings.

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4. Accessories for pump to have automatic air release valve on casing;

discharge pressure gauge; drain plugs and continuous by-pass pipe with

orifice from pump discharge nozzle back to suction source to protect pump

from overheating when running with closed discharge and flow meter.

5. Diesel Engine to be water cooled, with adequate power to drive pump at

rated speed continuously on full load at site elevation for six hours and with

dry type air filter on air intake. Engine Starting System to be automatic,

comprising two sets of 12 V batteries mounted on bedplate, battery powered

starting motor of axial displacement type, twin starter relays, battery

charging system and automatic starting control panel resiliently mounted on

engine bedplate. Each set of batteries to provide ten consecutive starts of

cold engine under full compression without recharging.

6. Control Panel to be housed in dust and damp protected cabinet and fully

connected and tested prior to shipment, requiring only simple external

connections to main system switch and to necessary AC supply to operate

battery charging system. Control panel is to incorporate the following.

a. Automatic ten attempt engine starting circuit initiated by signal from

Main Failure Panel in electric control panel of main fire pumps

b. Triple charging circuit capable of charging both sets of batteries

simultaneously

c. Ammeter to indicate charging current being supplied continuously

lit AC indicating light relays and timers including connections for

remote alarm system

d. Audible warning device automatically activated if engine fails to

start after ten attempts

e. Water pressure switch fitted to pump to inhibit automatic start

sequence on system start-up

f. Low suction pressure switch fitted to pump suction to prevent unit

from starting unless there is a minimum head of 0.3 m of water on

pump suction and to stop unit if pump looses suction.

g. Time clock for automatic test.

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7. Engine Fuel System: to include the following:

a. Fuel tank of capacity for six hours running at full load

b. Hand operated fuel line valve lockable in the open position

c. Sediment trap

d. Fuel level gauge

e. Cleaning and inspection hole on tank

f. Hand operated fuel transfer pump for filling tank

g. Fuel filter between fuel tank and engine fuel pump

h. Air bleeding valve

i. Interconnecting fuel piping.

j. Low fuel level switch.

8. Engine Exhaust System: to include the following:

a. Residential type silencer

b. Short length of flexible exhaust pipe for direct fitting to exhaust out

c. Necessary lengths of steel exhaust pipe. Exhaust pipe to be insulated

inside the pump room.

9. Engine Accessories: to include standard tool kit, set of spare parts,

installation drawings, operating and maintenance instructions and circuit

diagram.

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10. Fuel: Diesel oil. Fuel tank and piping shall comply with requirements of

Section 15483 – FUEL OIL SYSTEM; sizes as shown on drawings

END OF SECTION 15160

SECTION 15780

UNITARY AIR CONDITIONING SYSTEM

PART 2 -PRODUCTS

0.1 GENERAL

A. Materials used shall be new of first quality as approved by the Engineer. Minor

items, accessories, devices reasonably inferable as necessary to the complete and

proper operation of a system shall be provided by contractor for such system

whether or not they are specifically called by specifications or drawings.

B. Air Conditioning Units: Design, manufacture and installation of mechanical

refrigeration equipment shall meet the requirements of ASHRAE 15 and ARI590.

C. Fully guard drive mechanisms or other moving parts shall be in accordance with

ANSI B15.1.

D. Air conditioning units, equipment, accessories and fittings shall be manufactured of

approved material, components and parts suitable and appropriate to the project site

location climate conditions (coastal humidity climate, desert dry climate, mountain

climate etc..) as per the manufacturer recommendations and international standards

and codes regulations.

E. Unless indicated on Drawings, all air conditioning units for Jeddah and Jezan areas

sites shall be provided without heaters for heating air conditioning. All air

conditioning units for all other sites shall be provided with heaters for heating air

conditioning.

0.2 PIPES AND PIPE FITTINGS

A. Pre-charged Tubing: Refrigerant pipes for mini-split and ducted-split air conditioning units

shall be Type K streamlined, cleaned and dehydrated copper tubing supplied with refrigerant

charge and pressure tight plugs for each length. Insulated tubing shall be supplied by the

manufacturer of air conditioning units.

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0.3 WINDOW TYPE AIR CONDITIONING UNITS

A. Window type air conditioning units shall be completely wall-mounted packaged units arranged

for electric cooling and heating (where required) controlled by an integral thermostat, and shall

have air exhaust, four-way air deflection, and automatic temperature control. Units shall be of

capacity as shown on drawings.

Units shall be factory-wired and completely enclosed. All operating controls shall be

located in a single area on the front of the units. Adjustable thermostats shall automatically

cycle compressors to maintain space conditions, and sensing elements shall extend across

the complete faces of the cooling coils. Three position exhaust/vent control to close the vent,

exhaust air from the room, or introduce air to the room shall be included.

C. Evaporator and condenser coils shall be of all aluminium, electronically soldered

construction.

D. Compressor motors shall be two-pole, permanent split capacitor type protected

against both thermal and electrical overload.

E. Air deflection shall be horizontally variable to permit adjustment.

4 MINI-SPLIT AIR CONDITIONING UNITS

A. Air conditioning system shall consist of a remote air cooled condensing unit and an

indoor fan coil unit.

B. Air cooled condensing unit and the matched indoor fan coil unit shall conform to

the requirements of ARI210 and UL 465.

C. Cooling and Heating Capacities: As shown on Drawings.

D. Condensing unit shall be a complete packaged, factory assembled, electrically

operated unit consisting of compressor, condenser coil, condenser fan and motor

and the necessary structural frame, weather protected housing, valves, piping,

wiring and controls. Unit shall be pre-charged with refrigerant R-22.

E. Condenser coil and fins shall be coated with manufacturers standard anti-corrosive

coating as approved by the Engineer.

F. Direct expansion type indoor fan coil units with remote thermostat and switches

shall include evaporator coils, electric heating coil (where required), expansion

device, centrifugal fans, motors and controls, air filters, and condensate pans and

drains. Each unit shall be provided with a factory operating charge of refrigerant

and oil or holding charge. Refrigerant shall be R-22 type.

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G. Compressor shall be hermetic or semi-hermetic type, capable of operating at partial

load conditions, and shall be capable of continuous operation down to the lowest

step of unloading as required.

H. Units shall be supplied with required length of pre-insulated pre-charged refrigerant pipes

as well as remote thermostat and switches by the unit manufacturer.

I. Mini-split unites shall be cooling/heat pump type or electric heater type.

2.5 CENTRAL SPLIT UNITS

A. Air-Cooled Condensing Units:

1. The units shall be properly assembled and tested at the factory. It shall be designed for use

with Refrigerant 22.

2. Nominal unit characteristics, performance and cooling capacities shall be as shown on the

drawings. The condenser coil shall have copper tubes and aluminum fins and shall be provided

with manufacturer's standard anti-corrosion coating.

3. Compressors shall be of serviceable hermetic design with external spring isolators and shall

have automatic-ally reversible oil pumps.

4. The unit shall be designed for outdoor application with direct driven propeller type fans.

B. Ducted Air Handling Unit (DX System):

1. Units shall be of the type, size, and capacity as indicated on the drawings.

Furnish air handling unit as specified on item 2.08 of this section.

0.06 SINGLE PACKAGE AIR CONDITIONING UNITS

A. Package Type Air Conditioning System: The A/C units shall be shipped in a single

package configuration, fully wired, charged and tested, including the complete

cooling, heating and air handling systems ready for mounting. The physical

arrangement, sizes, type, model and capacity shall be as shown on the drawings

and approved by the Engineer. Units shall be provided with 50 mm thick cleanable

type filters on return side, disconnect switch, 0 to 25% outdoor air intake with

manual damper and cleanable filter, and manufacturer's supplied wall thermostat

with switches.

B. Air Cooled Condenser: Factory-assembled and tested units, designed for the use

with Refrigerant 22. Constructed of heavy gage galvanized steel, bonderized and

finished in backed-on enamel. Condenser coils shall have copper fins

mechanically bonded to the coil copper tubes.

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C. Blower Evaporator Section: Factory-fabricated and factory-assembled,

constructed of heavy gage electro-galvanized steel with a backed-on enamel

finish and internally insulated with neoprene coated one in the thick fiber glass

insulation designed to prevent thermal losses and to provide quiet operation.

Blower section shall include slow speed belt-driven blowers with electric

motors; copper tube, aluminum fins for areas of dry climate and copper fins for

areas of humidity climate, evaporator cooling coil with insulated condensate

collecting pan; and electric resistance heaters (where required) with required

thermal and overloaed safety controls and operating controls. Package unit

control shall be energy saving type.

D. Temperature Controls: Manufacturer's standard units, integral with the Heating

and Cooling Equipment, installed in accordance with the manufacturer's

recommendations.

E. Electric Type Controls: Includes HEAT-OFF-COOL thermostat with fan ON and

AUTOMATIC positions.

END OF SECTION 15780

SECTION 16050

BASIC MATERIALS AND METHODS

Add the following clauses to the “2.02 WIRES AND CABLES”:

A. Low Smoke and Fume (LSF) Cables: 600/1000 V grade, copper conductor, compacted,

insulated with extruded LSF material in compliance with BS 6724 for armored cables and BS

7211 for un-armored cables. Materials used in construction of LSF cables are to be nominally

free from halogens (fluorine, chlorine and bromine). When material is tested in accordance

with BS 6425, Part 1 and IEC Publication 60754, Part 1, the acidic gas evolved during

combustion is to be less than 0.5%. When tested in accordance with BS 2782, method 141D

or ASTM method S2863, the oxygen index of bedding and sheathing materials is not to be less

than 30. Completed cable is to meet the requirements for tests under fire conditions when

tested in accordance with BS 4066, Part 1 and NMV 1.5 of BS 4066 Part 3. Cores and cross

sectional area are to be as shown on the Drawings. Phases are to be color coded in conformity

with the Standards, and overall cable sheath is to be extruded black LSF material.

B. Fire resistant Cable: Solid or stranded plain annealed copper conductors to BS 6360 (in sizes

up to 4 mm2), fire resistant insulation to BS 6899 (0.6 mm radial thickness), laminate

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aluminum/screen and Low Smoke Zero Halogen (LS0H) composite sheath with tinned earth

continuity conductor/drain wire. Cable is to be rated 300/500 V, capable of accepting voltage

surges up to 5 kV, to operate continuously at 150 deg. C and for short durations at 200 deg. C.

It is to be certified to have passed IEC 60331 and IEC 60332-1 and IEC 60332-3 flame

resistance fire retardant and reduced flame propagation tests and to comply with category

CWZ of BS6387.

C. Fire resistant cable: plain copper stranded circular conductor complying with BS 6360 with

fire resistant insulation comply with BS 7655 operating temperature 90ºC, galvanized steel

wires armour and extracted low smoke zero halogen (LS0H) over sheath . Cables are to be

rated 600/1000 V. It is to be certified to have passed IEC 60331, IEC 60332-1 And IEC

60332-3 and IEC fire retardant and reduced flame propagation test and to comply with

category CWZ of BS 6387. Cables are to be sued to feed the fire pumps, panelboards of

central battery systems and other loads as shown on the drawings.

Add the following clauses to the “2.06 MOTOR CONTROL CENTERS”:

A. Construction: 2 mm thick sheet steel, adequately reinforced and braced for maximum rigidity,

sand blasted, rust inhibited after fabrication and sprayed with one coat primer and two coats

enamel internally and externally.

B. Components: Motor control center to include the following:

Main incoming circuit breaker or isolating switch as shown on the Drawings for

terminating incoming supply cables and isolating the busbar system.

Main copper horizontal full-length busbars rated as main incoming circuit breaker frame

rating or as shown on the Drawings.

Branch copper vertical full height busbars of adequate capacity to distribute power to

each circuit breaker and starter served.

Neutral copper busbar rated at half capacity of main busbar and distributed throughout

whole motor control center.

Earth copper busbars minimum 25 x 6 mm extending full length of motor control center.

One voltmeter with commutator, range 0-415 V.

Ammeters on main supply with necessary current transformers.

Starters, circuit breakers, push buttons, indicating lights, switches, relays, contactors and

accessories as shown on the Drawings.

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Interconnecting and interlock wiring.

C. Wiring: Motor control center wiring to be class II type B to NEMA ICS.

D. Busbars to be adequately isolated and braced to sustain maximum possible short circuit

current.

E. Compartment doors to be interlocked so that isolators or breakers must be in OFF position

before door can be opened.

F. Spare Positions: Fully equipped cells, ready for connection to motors, are to be provided in

adequate number.

G. Space Positions: Fully equipped cells ready to receive control unit are to be provided in

adequate number. Space positions to have blank cover plates.

H. Starters, switches, other components and electrical devices to be clearly labeled in English as

to number and function, with incised letters on black Bakelite with white laminated core.

Labels to be permanently fixed under each component.

I. Incoming line connections to be made with solderless, terminal four bolt type clamps.

J. Labels: Starters, switches, electrical devices and accessories to be clearly labeled in English as

to function and number. Labels to be permanently fixed under each component.

K. Schematic and wiring diagrams to be firmly fixed within motor control centre, showing each

component and cross- referenced with component labels.

L. STARTERS:

1) Starters for three phase motors to be magnetic type to automatically disconnect

motor from power supply in case of supply failure, excessive voltage drop,

overcurrent and lack of balance in phases. Overload trips to be provided for three

phases.

2) Motor Data: Obtain from equipment supplier before ordering any motor starter, or

check motor nameplate for full load current rating and allowable temperature rise

in order to select proper overload thermal element for motor starter.

3) Short circuit protection device fitted to starter to be independent of controller and

overload protection.

4) Control voltage for starters and control circuits is not to exceed 110 V.

5) Step Down Control Circuit Transformers: Two winding isolating type.

6) Control Circuit Protection: Use high rupturing capacity fuses or circuit breakers.

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7) Auxiliary supply for controls other than from main power circuit, to be effectively

isolated by auxiliary contacts on main isolator.

8) Control devices on starters to be as follows unless otherwise indicated or required

by driven equipment: start stop push buttons, one red pilot light for "running", one

group pilot light for "stopped" and one reset push button.

9) Starter type A for single phase motors not exceeding 1/2 HP to be surface or flush

mounted, manual two pole toggle type, for non reversing across the line starting,

fitted with one overload element.

10) Starter type B for three phase motors not exceeding 10 HP to be direct on line, non

reversing, magnetic type, with manual reset, 3 pole overload relay and low voltage

protection, unless otherwise required by local regulations.

11) Starter type C for three phase motors over 10 HP, but not exceeding 50 HP, to be

automatic star delta magnetic non reversing type, with 3 pole overload relay and

low voltage protection, unless otherwise required by local regulations.

12) Starter type D for three phase motors over 50 HP to be multiple step auto

transformer non reversing magnetic type, with 3 pole overload relay, under voltage

protection, unless otherwise required by local regulations. Auto transformer to be

dry type, Class F insulation, Class B temperature rise over ambient temperature.

Starter to be suitable for 15 start per hour repeated after 2 hours for motors up to

200 HP and 3 starts per hour repated after one hour for motors over 200 HP.

13) Electronic Solid State Reduced Voltage Motor Soft Starter" to be UL listed,

consisting of silicon controlled rectifier (SCR) based power section, digital logic

board and paralleling bypass contractor to provide smooth, stepless acceleration for

AC, 3-phase, 380 V, 60 Hz induction motors. The minimum peak inverse voltage

rating of the SCR's to be 1500 V. Contractor to be rated for full voltage across the

line motor starting duty. Starter enclosure to be NEMA 12 for indoor installation

and NEMA 3 for installations in wet and outdoor areas and provided with

necessary ventilation fans. Where shown on the drawings or indicated in the motor

centre schedules, starter to be incorporated within motor control centre. The starter

is to provide the following protections and adjustments:

E. Adjustable electronic overload

F. Overhead protection for the starter

G. Phase sequence protection

H. Phase loss/unbalance protection

I. Undervoltage protection

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J. Ramp time

K. Initial torque

L. Start current limit

M. Motor full load current

N. Starter to comprise molded case motor circuit protector (with magnetic trip only)

for short circuit protection. Starter to be rated for 125% of the continuous current

rating of the motor. Short circuit rating of start to be at least 110% of the short

circuit level at starter location, or as shown on the electrical drawings or indicated

in the motor control centre schedules. Soft starters for pumps to comprise smooth

soft facility for linear voltage deceleration with adjustable deceleration time.

14) Individually mounted starters to be totally enclosed in sheet steel enclosure with

baked enamel finish. Design is to suit location and application. It is to be

impossible to open enclosure door unless isolator is in open position.

15) Nameplates: Starters and controls to have engraved nameplates identifying system

or defining its function.

Replace the contents under clause “2.08 LOW VOLTAGE MAIN DISTRIBUTION BOARD” by

the following:

A. GENERAL REQUIREMENTS

1) Generally: Main distribution boards are to be dead-front type, metal enclosed,

multi-cubicle, floor mounted, free standing, with 1000V rated insulation voltage, and

600 V rated operational voltage, with fixed or draw-out switchgear, manually or

manually and electrically operated, as shown on the Drawings, with matching vertical

sections to form a continuous integral and rigid structure. Outgoing sections are to be

of equal width.

2) Generally: Contractor shall do the appropriate coordinations and provide all

necessary interfaces, relays, transducers, etc, necessary for the functions specified in

the control system and/or shown on the Drawings.

3) General Construction: Rigidly framed and bolted, with Electro-galvanized sheet

steel enclosures, minimum thickness 1.5 mm, phosphatized, primed with rust

inhibiting primer and finished with thermal polymerized polyester epoxy powder

coating, gray color (RAL 7703 or ANSI 61) to approval. Switchgear is to be vermin,

dust and rodent proof, IP42 protection to IEC 60529, or equivalent ANSI/UL

standards, for indoor installations, with adequate lifting means and base-frames and

capable of being moved into position and directly bolted to floor without additional

sills.

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4) Ventilation: Compartments are to be ventilated, by approved methods complying

with the Standards.

5) Main Distribution Boards are to have a short circuit withstand current of as shown

on drawings for 1 sec.

6) Fastenings between structural members are to be bolted.

7) Extension of structure and busbars is to be possible at either end of switchboard for

form 3 and form 4 type switchboards.

8) Arrangement is to permit incoming and outgoing busbars and cables to enter

enclosure as indicated on the Drawings and connects at respective terminals without

inconvenience to installation or maintenance.

9) Removing Circuit Breakers: Suitable arrangements and equipment are to be

provided for extracting, lifting and unloading switchgear from enclosures as

appropriate for type of switchgear.

10) Spare and space positions are defined as follows:

1. Spare position: Fully equipped enclosure with switchgear

2. Space position: Fully equipped enclosure ready to receive switchgear.

11) Busbars: Site rated for normal current as shown on the Drawings or at least site

rated to same rating of main circuit breaker frame size, and braced for a symmetrical

rms short-circuit duty as specified. Busbars are to be copper, of sufficient size to

limit temperature rise to allowable insulation or equipment temperature ratings, and

to a total maximum temperature of 90 deg C. Connections and buswork are to be

bolted with copper alloy hardware and are to be accessible for inspection and

maintenance unless otherwise recommended by the manufacturer and approved by

Engineer. Contact surfaces are to be Electro-silver plated.

12) Connections from busbar to switchgear are to be rated to carry full continuous

current rating of switchgear frame and are to be insulated.

13) Full size neutral is to be continuous through all sections. Neutral bus is to be

insulated and separate from earth bus and connected to it with removable links, at

every bus section. Links are to be of the same cross-section of the earth bus.

14) Earth bus is to extend full length of board, firmly fixed to each section in

accordance with the Regulations and Standards, complete with two main earthing

lugs (one at each end), and required number of feeder protective earth connectors.

15) Earth bus is to be half size of phase buses

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16) Switchboard Type: Switchboard(s) are to be of the following type(s):

1. Form 4b.

2. Incoming: Withdrawable type – Power Air Circuit Breaker (PACB).

3. Tie: Withdrawable type - PACB.

4. Outgoing: Fixed type – Moulded Case Circuit Breaker (MCCB) for ratings up

to 1250A and fixed type – PACB for ratings greater than 1250A.

17) Withdrawable metal enclosed circuit breaker section is to consist of compartmented

unit(s), stationary part with rear busbar and cable connection compartments and front

draw-out circuit breaker assembly. Partitions between sections are to be bolted steel

plate and partitions between compartments are to be tough solid insulating removable

bolted barriers. Each unit is to have hinged lockable front door with grip-handle and

door mounted instrumentation.

18) Drawout circuit breaker assembly is to have disconnecting contacts, wheels and

interlocks to prevent connecting or disconnecting circuit breaker unless in the open

position, and to prevent closing circuit breaker while racking into any of the three

positions (connect, test, disconnect). Racking mechanism and rail assembly are to be

approved worm and lever mechanism. It is to be possible to close the unit door with

breaker in any of the three positions and when removed. External position indicator

is to be provided. Fixed disconnecting primary contacts are to be accessible and

replaceable from front and are to be silver plated copper. Moving primary disconnect

contacts are to consist of self-aligning, silver plated, spring pressure, finger-cluster,

copper contact fitted on line and load studs of circuit breaker.

19) Fixed main circuit breaker section is to individually accommodate main circuit

breaker, main cable entry with terminal fitting assembly and metering compartment.

Where placed against a wall, accessibility is to be possible from front and sides or

only from front of section.

20) Pull Sections: An additional cable pull section is to be provided, depending on

actual configuration shown on the Drawing, and subject to Engineer‟s approval.

21) Front and rear accessible, front and rear aligned, individually mounted fixed

MCCB distribution sections as basic construction for form 4b switchboards, are to be

compartmentalized construction, consisting of front modular circuit breaker

compartments, busbar system compartments and rear cable termination compartments

(as per the form type selected), with insulating barriers between front compartments

and busbar compartments and between rear compartments and busbar compartment

(removable for maintenance). MCCBs are to be closely coupled to busbars (to

minimize chances of bus-side faults), and to rear cable terminals, through compatibly

frame-sized insulated connectors. MCCB modules are to be covered on the front, by

recessed frame-type bolted covers, 1.5 mm minimum thickness, to protect circuit

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breaker handles. Top, sides and rear are to be covered with removable screw-on

plates having formed edges all around.

B. POWER FACTOR (PF) CORRECTION

1) Generally: PF correction system is required to bring up power factor of LV system to

better than 0.90.

2) Location of capacitor bank is to be indoors, as close as possible to/or within

nominated switchboard requiring PF improvement, and to be totally enclosed in sheet

metal cabinets with appropriate ventilation and min. IP31 degree of protection IEC

60529, or equivalent ANSI/UL standards.

3) Capacitor bank is to be prefabricated, complete with capacitors, contactors and

busbars required to improve PF to at least the figure indicated above, and discharge

resistors to enable discharge of capacitors after disconnection.

4) Steps are to be rated as shown on the Drawings.

5) Capacitors: are to be integrally fused, unless otherwise indicated. Internal Wiring is to

be factory wired, ready for field connection to external circuits at a single set of

pressure terminals.

6) In the following subparagraph select whatever is appropriate and applicable:

7) Capacitors are to be dry-type, operating on rated low voltage, made of metalized

polypropylene (self-healing dielectric) foils coated with thermosetting resin, or equal

construction, proved in operation for at least 5 years, under prevailing ambient

conditions. Capacitors are to be with a loss factor not exceeding 0.3 x 10(-3) (a

consumption of about 0.4 watts per kVAR).

8) Switching of capacitors is only to be performed by the fast closing contactors on

capacitor bank units (with surge limiting reactors as necessary). Switching

arrangement of capacitors is not to allow excessive transient capacitive switching at

source, i.e. circuit breaker feeding the bank.

Add the following clauses to the “2.09 PANELBOARDS”:

A. PANELBOARD ENCLOSURES

1) Type: General purpose type, suitable for relevant ambient conditions, flush or

surface mounted as shown on the drawings, comprising box, trim, or trim and door

to approved manufacturer's standards and sizes.

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2) Construction: Box, trim and doors where required, are to be Electro-galvanized

sheet steel of gauges not less than specified and in accordance with the standards.

Welded joints are to be galvanized after manufacture. Gutter spaces are to conform

to the standards, adequate for the utilized cables/wires subject to the engineers‟

approval and in no case less than 100 mm on all sides. Enclosure is to have pre-

designed angles or threaded end studs to support and adjust mounting of interior

panelboard assembly.

3) Trims are to cover and overlap front shield, covering all terminals and bus

compartments, to form a dead front panel. Trims are to be fixed to cabinet/box by

quarter-turn clamps engaging flange of box (use of screws engaging holes in flange

of box is not acceptable). Screws where used are to be oval-head, countersunk and

flush. Trims for flush mounted panelboards are to overlap box and front shields by

at least 20 mm. Trims for surface mounted panelboards are to be exactly sized to

form flush fit to box.

4) Doors are to have concealed hinges integral with trim, and flush combination

cylinder lock and catch. Doors over 1000 mm high are to have vault-type handle

and multiple point latch mechanism. Locks are to be keyed alike.

5) Finish: Inner and outer surfaces of cabinet/boxes, trims, doors etc. Are to be

cleaned, phosphatized, chrome passivated and treated with final thermosetting

epoxy powder modified by polyester resins providing high resistance to mechanical

injury, heat, acid and alkali solvents, grease, aging and corrosion and of standard

gray color to the approval of Engineer.

6) Directories under glassine, or an approved alternative durable arrangement, are to

be provided on inside face of doors, or in metal label holders when trim without

doors are specified. Directories are to be typed to identify panelboards and clearly

indicate circuit number and description of load.

B. BUSBARS

1) Type: One piece, 98% pure electrolytic copper, based on total maximum operating

temperature of 90°C at any point of the bus, at full continuous rating. Bolted or

clamped contact surfaces are to have maximum current density not exceeding

requirements of the approved standards. Aluminum is not to be used for busbars or

panelboard parts.

2) Design: Busbars are to be shrouded/insulated and rigidly designed so that branch

circuit devices can be removed without disturbing adjacent units or changed

without additional machining, drilling or tapping. Busing is to be full size without

reduction. Busing and blank plates are to allow installation of future circuit

devices, where indicated on the drawings.

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3) Rating: Busbar rating is to be at least equal to main-circuit breaker frame size.

Where no main circuit breaker is required, busbars are to have main lugs or

disconnect switch, with nominal rating equal to 1.25 times the up stream circuit

breaker trip rating, and as shown on the drawings.

4) Short-circuit Duty: Busbars are to carry at least 125% of the maximum short-circuit

level at point of application for one second, without showing any signs of

degradation.

5) Terminals and connections are to be anti-turn, solder-less screw-pressure type.

Screws and bolts used for making copper/copper connections are to be hard copper

alloy with lock washers (riveted bus connections are not acceptable).

6) Neutral bar is to be solid and fully insulated from cabinet or box. One solder-less

box type set-screw connector is to be provided for neutral wire of each branch

circuit and one bolted clamp-type connector or anti-turn lug with set-screw for

main incoming neutral wire. Neutral is to be fully sized and rated as for phase

busbars.

7) Earthing bar is to be copper, brazed to panelboard cabinet, with bolted pressure

connector for main conductor and one set-screw-type tunnel terminal for each

outgoing conductor, to provide secure and reliable contact with all metal parts and

enclosure.

Replace the contents under clause “2.10-B Molded Case Circuit Breaker” by the following:

A. MOLDED CASE CIRCUIT BREAKERS (MCCBs)

1) Type: Tested to approved standards, rated insulation voltage of 500 V for 100 A

frame size, 690 V for 160 A frame size and 750 V for frame sizes higher than 160

A, totally enclosed, molded case, constructed from high quality, high temperature

resistant, tropicalized, molded insulating materials, for normal operation at

maximum temperature within enclosures at point of application, and provided with

front operated single toggle type handle mechanism for manual operation of main

contacts in addition to automatic operation under over-current conditions. Multi-

pole breakers are to have common integral trip bar for simultaneous operation of all

poles. Ampere rating is to be clearly visible. All terminals are to be box lug or

clamp type with set screws, suitable for copper or aluminum conductors.

2) Circuit Breaker Trip Units: Unless otherwise specified or shown on the drawings,

moulded case circuit breakers of final branch circuit panel boards (LPs), power

panel boards (PPs) and subdistribution panel boards (SDPs) are to be thermal

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magnetic type, while moulded case circuit breakers of distribution panel boards

(DPs) are to be electronic solid state trip type for all main incoming breaker frame

sizes, and electronic solid state trip type for outgoing circuit breakers above 250 A

frame sizes & thermal magnetic type for outgoing breakers with frame sizes of 250

A and below.

3) Thermal magnetic circuit breaker trip units: are to have bi-metallic inverse time

delay over-current element for small overloads and instantaneous magnetic over-

current trip element for operation under short-circuit conditions on each pole.

Circuit breakers rated 150/160 A or 250 A are to have adjustable instantaneous

trips.

4) Compensation: Thermal over-current trips are to be ambient temperature

compensated between 25 and 50 deg C.

5) Electronic trips units, applicable to circuit breakers greater than 160 A frame size

and larger, are to be solid state with long time delay settings between 0.5 and 1.0

times maximum trip rating, short time delay range of 3 to 10 times maximum trip

rating with a maximum clearing time of 0.2 seconds, and instantaneous protection

adjustable from 5 to 10 times continuous rating. Solid state trip units are to be

insensitive to changes in ambient temperature between -20 and +55 deg C. Earth

fault protection is to be built into trip unit where specified, and is to be suitable for

connection to external current sensor. Push-to-trip button is to be provided on

cover for testing the trip unit.

6) Switching Mechanism: Quick-make, quick-break type, with positive trip-free

operation so that contacts cannot be held closed against excess currents under

manual or automatic operation. Contacts are to be non-welding silver alloy with

approved arc-quenching devices of metallic grid construction.

7) Trip current rating (amps) indicates nominal maximum rating at which overload

element is set to operate.

8) Frame size is defined as maximum continuous current rating of circuit breaker

which corresponds with its maximum trip range listed below and which is to be

related to minimum acceptable short-circuit interrupting ratings, based on fully

rated interrupting duties: normal duty (N), high break (H), or current limiting (L),

as specified.

9) Tripped Position: When tripped automatically by over-current condition, operating

mechanism of circuit breaker is to assume an intermediate position clearly

indicated by the handle between on and off positions.

10) Interchangeable Trips: Thermal-magnetic trip circuit breakers of 150/160 A frame

size are to have interchangeable trip units.

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11) Sealing: Circuit breakers with non-interchangeable trip units are to be sealed.

Circuit breakers with interchangeable trip units are to have trip unit covers sealed

to prevent tampering.

12) Accessories: Circuit breakers are to be designed to accommodate standard

attachments including shunt-trip, under-voltage release, combined auxiliary and

alarm switches, and electrical motor operator to any circuit breaker of rating (frame

size) 100 A and over. Padlocking devices are to be provided, where shown on the

Drawings.

13) Residual current operated earth leakage trip devices (RCDs) are provided as add-on

or built-in earth leakage accessories, where required and as shown on the

Drawings. Protection against earth fault current, in addition to over-current and

short-circuit protection, is to be in accordance with the Regulations. Trip current

sensitivity on breakers for branch circuits is to be 30 mA, and for main breakers

ratings are to be as shown on the Drawings. Circuit breakers are to include current

transformer with tripping coil assembly, test button and trip free mechanism to

ensure circuit breaker cannot be held closed against earth faults.

14) Current Limiting Circuit Breakers: Molded case type without fusible elements.

When operating within current limiting range, the I2t of let-through current is to be

less than 1/2 cycle wave of symmetrical protective short-circuit current as

compatible with breaker construction.

15) Current limiting circuit breakers are to have, on each pole, adjustable inverse time-

delay over-current characteristics for overload protection and instantaneous trip for

short-circuit protection. Operation of main contacts is to be based on Electro-

magnetic repulsion forces between contacts created by fault current. Ratings are

specified at rated voltage for rms values of prospective short-circuit current.

Add the following clauses to the “2.10 SAFETY SWITCHES, CIRCUIT BREAKERS AND

FUSES”:

A. MINIATURE CIRCUIT BREAKERS (MCBs)

a. Type: Thermal magnetic non-adjustable type.

b. Construction: MCBs are to be tropicalized for operation at ambient temperatures up

to 70 degree C within panelboard enclosure and humidity up to 95%, and are to be

constructed from high quality, high temperature, molded insulating materials.

Guaranteed duties and characteristics are to be submitted for temperatures above 40

deg C.

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c. MCBs and combination devices are to be modular, of unified profile and suitable

for mounting either to a standard din rail, or a plug-in system.

d. Operation: Under overload conditions, thermal tripping is to provide close

protection of insulated conductors. Under short-circuit conditions, magnetic trip is

to operate at 7 - 10 times normal rated current (type 3 characteristic). Magnetic

operation is to be in the current limiting region and opening time is not to exceed 5

milliseconds.

e. Residual current devices for earth leakage protective circuit breakers are to be add-

on devices, or built-in and integral with the standard circuit breaker. Non-

adjustable sensitivities of 30 mA, 100 mA and 300 mA are to be available for all

ratings of 2-pole and 4-pole circuit breakers.

f. Auxiliaries where shown on the drawings, are to include alarm switch, auxiliary

switch, shunt trip, under voltage trip and similar units which are to be modular

additions to the circuit breakers.

B. POWER AIR CIRCUIT BREAKERS (PACBs)

1) Type: Encased in steel structure, air ventilated, air break, for normal operation at

maximum temperature within enclosure at point of application, tested to approved

standards, manually operated for normal functions, and automatically tripped

under over-current conditions. Trip power is to be derived from main power

circuit, with sufficient tripping energy to reliably trip circuit breaker. Fixed

mounted circuit breaker is to be rear connected.

2) Construction: Manually or manually and electrically operated, as shown on the

Drawings, with two-step, spring charged, stored energy mechanism, quick-make,

quick-break type, electrically and mechanically trip-free, to prevent maintaining

circuit breaker closed against over-current condition whether under manual or

automatic operation. Electrically operated circuit breakers are to have integrally

mounted, spring charging motor mechanism automatically recharged upon closing.

Both manually or manually and electrically operated circuit breakers are to have

mechanical built-in charging lever and are to include open and close direct acting

push buttons. Stored energy provision is to allow open/close/open sequence of

operation without use of external energy. Circuit breaker is to have arc-quenching

device on each pole and replaceable arcing contacts.

3) Control Power: For electrically charged circuit breaker and/or for shunt trip device,

where required, control power is to be 120V ac obtained from in-built MDB

control power transformer connected and fused on line-side of circuit breaker.

Where shunt trip and/or under voltage release are required, a sufficient capacitor

trip device is to be provided.

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4) Trip Unit: Totally enclosed, programmable, solid state device, interchangeable for

compatible frame sizes, pluggable into front of circuit breaker, tamper-proof and

with transparent, sealable cover. Trip unit is to measure sinusoidal and non–

sinusoidal current wave forms (fundamental to thirteenth harmonic) by

continuously sampling each phase through out every cycle. Trip unit is to be direct

acting trip device, current transformer operated, with flux transfer shunt trip that

requires no external power. It is to have adjustable current setting (0.5 - 1.0 times

trip unit rating) with adjustable long-time delay, short-time pick-up and short-time

delay, earth-fault pick-up and time delay instantaneous over current pickup.

Current setting range is to be by means of replaceable trip-units within the

maximum frame size rating. Once removed, circuit breaker is to remain in the

trip-free position. Earth-fault trip is to be adjustable, range 10% to 60% of normal

current rating of the circuit breaker and a maximum of 1200A, with adjustable

time delay between 0.1 and 0.5 seconds. Short time delay is to be adjustable in

steps, 2 - 9 times current setting, with pre-settable or adjustable time band having

maximum delay of 0.3 to 0.5 seconds. Instantaneous trip is to be adjustable in

steps at least 2 – 13 times the trip unit rating. Over-ride protection is to allow full

sensitivity up to interrupting capacity of Circuit Breaker.

5) Trip Unit shall have the metering functions for each phase comprising:

i. Voltage.

ii. Frequency.

iii. Energy.

iv. Total power.

v. Peak power demand.

6) Trip Unit Status Display: Shall indicate in words the status of normal breaker

operation, long time over current pick up, instantaneous time over current trip,

short time over current trip, ground fault trip. Unit shall have integral resetable

counter to count long time, short time, instantaneous and ground fault trips.

7) Position Indicators: Positive with trip indication target. Target indicator is to be

mechanical and is to give indication even when control power has been lost.

8) Trip unit shall have inputs from conventional potential transformers for every

phase. Current sensors transformers for every phase. Current sensors shall be

encased in epoxy filled plastic housing to protect against damage and moisture and

shall be integrally mounted in breakers.

9) Neutral Current Transformer: Provide on the neutral conductor of each main, tie or

outgoing circuit having earth fault protection. Rating and characteristics of the

neutral current transformer are to be suitable for proper operation of the earth fault

protection system.

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10) Circuit breaker accessories are to include the following:

i. Padlocking or key-locking provisions for all positions (disconnected, test,

connected, closing blocking, open)

ii. Overload, short-circuit, and ground fault trip LEDS

iii. Trip indicator and reset button

iv. Operations counter.

v. On/off pilot lights.

vi. Shunt-trip coil and closing solenoid for remote control.

vii. Bell alarm for remote over-current trip indication.

11) Auxiliary Contacts: Include N.O. and N.C. contacts on switchgear as required for

remote monitoring and control, plus 2 N.O. and 2 N.C. spare contacts.

12) Electrical Interlock: If electrical interlock is required between power air circuit

breakers (as shown on the drawings), the mechanical closing button of the circuit

breaker is to be disabled in the connect position and an additional electrical push

button is to be provided for the closing of the circuit breaker through the breaker‟s

shunt close coil. The electrical interlock is to be provided on both shunt trip and

close coils of the circuit breaker in order to perform simultaneous tripping and

inhibit closing functions on the interlocked breaker (s).

Replace the contents under clause “2.13 LIGHTING” by the following:

A. LIGHTING FIXTURE CONSTRUCTION - GENERAL

1) Generally: Construction and wiring of fixtures are to comply with the Regulations

and Standards. Fixtures are to be fabricated, assembled and wired entirely at

factory. Manufacturer's name, factory inspection stamp and official quality label

are to be fixed to each fixture supplied.

2) Lighting Fixtures (Luminaires): Manufacturer's standard, as given in Lighting

Fixture Schedules shown on the Drawings, or equal.

3) Sheet Steel Housings: Not less than 0.6 mm thick, and thicker when required by the

Specification or the Standards.

4) Sheet Steel Reflectors: Not less than 0.5 mm thick.

5) Aluminum Reflectors: Not less than 0.7 mm thick, unless otherwise approved.

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6) Fabrication: Metalwork is to be mitred, welded and ground smooth without tool

marks or burrs. Flat metal parts are to be stiffened by forming grooves and edges

during fabrication. Metal parts are to have finish free from irregularities.

7) Rust-proof Ferrous Base: Ferrous metal parts are to be bonderized (treated with

corrosion resistant phosphate solution) and given an approved rust-inhibiting prime

coat before application of final finish.

8) Finish for Non-Reflecting Metal Surfaces: Approved baked enamel paint. Paint

color on fixture frames and trims are to be as specified or as selected by the

Engineer.

9) Finish for Light Reflecting Surfaces: White baked enamel paint having reflection

factor not less than 85%. Mirror reflectors, where specified, are to be highly

polished, anodized aluminum with reflection factors not less than 97%.

10) Mechanical Resistance of Finish: After finish has been applied on steel surfaces

and cured, it is to withstand a 6 mm radius bend without showing signs of cracking,

peeling or loosening from base metal.

11) Resistance of Finish to Ultra-Violet: Finish is to withstand 72 hours exposure to an

ultra-violet RS lamp placed 100 mm from surface without discoloring, hardening or

warping, and is to retain the same reflection factor after exposure.

12) Heat Resistance: Finishes, wires and components inside fixtures are to be certified

materials to resist the temperatures or other conditions encountered in the fixtures.

13) Wiring Inside Fixtures: Not less than 1.5 mm2, and insulated for 240 V application.

Insulation is to have acceptable characteristics to resist maximum temperatures

inside fixtures. Wiring is to be terminated on screw type, fixed, insulating,

terminal blocks.

14) Hinges: Fixtures with visible frames and hinged diffusers are to have concealed

hinges and catches, and stain-less steel retaining clips. Other alternative equally

durable products may be submitted for approval.

15) Suspension Aligners: Provide for pendant fixtures for axial, vertical and horizontal

alignment. Vertical adjustment is to be minimum 25 mm.

16) Recessed Fixtures: Construct to fit into suspended ceilings without distorting

fixture or ceiling. Plaster rings are to be provided for plaster or concrete ceilings.

17) Outdoor Fixtures: Non-ferrous metal or specially molded material for outdoor use.

18) Removal of parts for maintenance is to be possible without removing fixture

housing.

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B. FLUORESCENT FIXTURES

1) Lamp Holders Generally: To IEC 60400, heavy duty, molded white plastic with

non-corroding spring contacts.

2) Lamp Holders for Industrial Fittings: Spring loaded turret type, heavy duty, dust

protected.

3) Ballast Rating: Ballast is to be manufactured and certified for the specific lamp it

controls and for operation from nominal power supply, with voltage and frequency

equal to nominal voltage and frequency of distribution network.

4) Electronic Ballasts is to be used in conjunction with tubular and compact

fluorescent fixtures. Ballast is to consist of electronic integrated circuit design,

instant start, operating at 20 to 60 kHz, providing at least 30% power savings over

equivalent standard electromagnetic ballasts, power factor corrected to above 0.9,

having less than 20% third harmonic distortion (on the input), with crest factor of

1.4 or better. Ballast is to meet the requirements of the FCC regulations for Radio

Frequency Interference (RFI) and Electromagnetic Interference (EMI) class A.

Ballast is to incorporate in its design a feature to preclude premature failure caused

by transients as per IEEE 587 category A.

5) Electronic Ballasts are to be designed and constructed to maintain a case

temperature not greater than 90° C when operated at a room ambient of 50° C when

tested in accordance with applicable standards. Ballasts are to be manufactured

with service life in excess of 10,000 hours. Use the most efficient combination of

four, three, two and/or single lamp ballasts as recommended by the manufacturer

and subject to the Engineer‟s approval.

6) Electronic Ballast Sound Rating: all ballasts are to be the manufacturer's best

(quietest) sound rating, with the rating clearly indicated on the ballast case. Ballasts

found by the Engineer to be unduly noisy shall be replaced without charge prior to

acceptance of the job.

7) Electronic Ballasts are to be designed for single frequency operation, nominal 60

Hz, and are to be operated at the specified power supply voltage. Ballasts are to be

firmly in the lighting fixtures to prevent vibrations.

8) Remote Ballasts are to be furnished in rated enclosures ready for mounting and

connection. Enclosures with more than one ballast are to be furnished pre-wired.

Provide acoustically isolated mounts for remote ballasts and ballast enclosures to

assure quiet operation.

C. INCANDESCENT LAMP FIXTURES

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1) Incandescent Lamp Sockets: To IEC 60061 and IEC 60238, high-grade porcelain;

E27 (ES) screw sockets for lamps not exceeding 200 W and E40 (GES) screw

sockets for lamps 300 W and over.

D. High Intensity Discharge Lamp Fixtures

1) Type: high intensity discharge (HID) Fixtures are to be complete units including

integral ballasts (and ignitors for HPS lamps where indicated) and lamps of

required number and type, and are to have lighting distribution characteristics

equivalent to model and manufacturer indicated in the fixture description.

2) Accessories: Fixtures are to have mounting accessories, such as suspension rods or

chains, rails or brackets, and protective glass covers with gaskets for protection

against dust and humidity or type of corrosive atmosphere predominant in the

location.

3) Ballasts and ignition devices are to be power factor compensated to at least 0.9

lagging, and type specially selected for lamp type and size used. Ballasts are to be

constant wattage, autotransformer type, designed for single frequency operation,

nominal 60 Hz, and operated at the specified power supply voltage. Lamp is to be

able to start with at least +/-10% variation from nominal line volt-age and continue

in normal operation with dips attaining 20% for four seconds. Compensation is to

ensure there is no great increase in operating current during starting and that gear

losses do not exceed 10% of normal wattage. RF suppression circuit is to be

provided.

4) Ballasts for H.I.D. Lamps: are to be the manufacturer's best (quietest) sound rating,

with the rating clearly indicated on the ballast case. Ballasts found by the Engineer

to be unduly noisy shall be replaced without charge prior to acceptance of the job.

5) Electronic Metal Halide Ballasts: electronic ballasts are to be used for metal halide

lamps up to 150 W rating. Electronic metal halide ballasts are to be provide “square

wave” output at less than 200 Hz with no more than 0.5% variation in output

power at 10% variation in input line voltage of 220V/ 60 Hz. Electronic metal

halide ballasts are to have a minimum power factor of 95% and THD of less than

10%. Acceptable remote mounting distance is to be not less than 3.66 meters.

Electronic metal halide ballasts are to have a “turnoff” safety function in event of

failed or malfunctioning lamps or other abnormal conditions.

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E. LAMPS

1) Rated voltage of incandescent and PL lamps is to be equal to nominal voltage of

distribution network. Lamps with different rated voltages are not acceptable.

2) Incandescent Lamps for General Lighting Service (GLS): To have screw base type

ES for lamps 200 W and below and type GES for lamps 300 W and above. Inside

frosted (IF) lamps are to be used unless otherwise specified. Guaranteed rated life is

to be above 800 hours and luminous output above the following:

1. 950 lumens for 75 W lamps

2. 1350 lumens for 100 W lamps

3. 2200 lumens for 150 W lamps

4. 3100 lumens for 300 W lamps.

3) Reflector Lamps (R): For indoor and outdoor use, with silver reflector and prismatic

lens. Light beam is to be narrow (spot), wide (flood) or extra-wide (wide flood) as

indicated in the fixture description.

4) Tungsten-Halogen Lamps: Tubular, quartz, resistant to high temperatures.

Guaranteed rated life is to be above 2000 hours and luminous output above the

following:

1. 9500 lumens for 500 W lamps

2. 22000 lumens for 1000 W lamps

3. 44000 lumens for 2000 W lamps.

5) Straight Tubular Fluorescent Lamps: To IEC 60081 (SSA 138 and SSA 139) and,

unless otherwise specified, are to be electronic ballast type, bi-pin, rated as indicated

in the fixture description and with improved fluorescent internal coating. Color of

light is to be High Colour rendering cool white. Lamps are to be low energy type

with tube diameter 26 mm. Guaranteed rated life is to be above 8000 hours and

luminous output above the following:

1. 1300 lumens for 18 W lamps (600 mm long)

2. 3200 lumens for 36 W lamps (1200 mm long)

3. 5200 lumens for 58 W lamps (1500 mm long).

6) Compact Lamps: Single ended, compact-miniature lamp, consisting of four narrow

fluorescent tubes welded together, with electronic ballast and with special two-pin

plug-in base and socket. Guaranteed rated life is to be above 5000 hours and

luminous output above the following:

1. 600 lumens for 10 W lamps

2. 900 lumens for 13 W lamps

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3. 1200 lumens for 18 W lamps

4. 1800 lumens for 26 W lamps

Lamps are to be type electronic type with warm color impression.

END OF SECTION 16050

SECTION 16350

MEDIUM-VOLTAGE TRANSFORMERS

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

B. Drawings and general provisions of the Contract, including Conditions of Contract and

Division 1 Specification Sections, apply to this Section.

1.2 SUBMITTALS

B. Product Data: Include full technical data on features, components, ratings, and

performance for each type of transformer specified. Include dimensioned plans, sections,

and elevation views. Show minimum clearances and installed devices and features.

Submit Manufacturers' catalogues.

C. Wiring Diagrams: Detail wiring and identify terminals for tap changing and connecting

field-installed wiring.

D. Product Certificates: Signed by manufacturers of transformers certifying that the products

furnished comply with requirements.

E. Type Test Certificates: Submit to verify compliance of main equipment with the relevant

IEC Standards.

F. Routine Tests: Each transformer unit is to undergo routine tests at the manufacturer's

works in accordance with the relevant standards. Submit routine test reports, prior to

shipping equipment, indicating ambient test conditions and guaranteed rating of

equipment under site conditions.

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G. Shop and Construction Drawings: Submit drawings for approval including, but not

limited to, the following:

1. Plans and elevations, with dimensions and weights.

2. Arrangement of equipment and general layouts.

3. One-line diagram of power system.

4. Foundation details, grouting holes and installation details.

H. Sound-Level Test Reports: Certified copies of manufacturer's sound-level tests applicable

to equipment for this Project.

I. Field Test Reports: Indicate and interpret test results for compliance with performance

requirements.

J. Maintenance Data: For transformers to include in the maintenance manuals specified in

Division 1.

K. Manufacturer is to submit the following values :

1. No load and load losses.

2. Maximum flux density at rated power voltage and frequency.

3. Maximum current density at rated power voltage and frequency for both MV and

LV windings.

4. Maximum current density at severe fault conditions for both MV and LV windings.

1.3 QUALITY ASSURANCE

B. Manufacturer Qualifications: Engage a firm experienced in manufacturing transformers

similar to those indicated for this Project and with a record of successful in-service

performance.

C. Standards: Equipment and component parts are to comply with the following Standards:

1. Common clauses for HV switchgear and control gear standards: IEC 62271-1.

2. Power transformers: IEC 60076.

3. Insulating oil: IEC 60296.

1.4 WARRANTY

B. Manufacturers Warranty: Submit a written warranty signed by the manufacturer agreeing

to repair, restore or replace any defective equipment specified in this section during the

specified warranty period

1. Warranty Period: 1 year from date of substantial completion.

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1.5 DELIVERY, STORAGE, AND HANDLING

B. Temporary Heating: For indoor, dry-type transformers, apply temporary heat according

to manufacturer's written instructions within the enclosure of each ventilated-type unit

throughout periods during which equipment is not energized and is not in a space that is

continuously under normal control of temperature and humidity.

1.6 COORDINATION

B. Coordinate layout and installation of transformers with other construction.

C. Coordinate size and location of concrete or mounting bases. Concrete, reinforcement,

and formwork requirements are specified in Division 3 Section "Cast-in-Place Concrete."

PART 2 - PRODUCTS

2.1 OIL TYPE WITH CONSERVATOR

B. Type: 3-phase, indoor type, two-winding, liquid- immersed, conservator type, rated for

continuous operation under site ambient conditions at full rated power, with off- load,

manual externally operated tap-changer lockable in all positions, and complying with the

standard equipment of the Local Power Authority.

C. Standards: Transformer is to comply with IEC 60076, 60156, 60296 and 60404-2.

D. General Construction: Welded sheet steel tank, with reinforced bottom and cover and

heavy corrugated sheet steel sides for cooling. Tank cover is to be bolted and sealed to

tank, with provision for two thermometers or temperature sensors, and lugs for lifting.

Two earthing bolts, or ground pads, are to be provided one on the transformer tank cover

and the other on the base frame. Tank is to have drain valve at bottom, four lashing lugs

at top and a rating plate.

E. Conservator: Connected to tank cover by flanged bolted pipe connection, with provision

for adding a Buchholz relay for sizes over 315 kVA, and having oil level gauge, filler and

vent with dehydrating breather.

F. Base Frame: Welded to tank bottom, to have four towing lugs and provision for

fringeable flat rim wheels arranged for longitudinal or cross-travel.

G. Measurement of sound pressure level is to be as per IEC 60551.

H. Windings: Copper, unless otherwise approved.

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I. Bushings: Porcelain, mounted on tank cover, with arcing horns on MV side (if not

enclosed).

J. Cable Terminals, fittings and sealing ends are to be arranged as described in paragraph

‎2.1L hereof and/or as shown on the Drawings.

K. Finish: Surfaces are to be steel grit blasted, caustic washed and phosphatized, primed

with waterproof primer and finished with weather-resistant enamel and final coat of air-

drying enamel. Alternative finish may be used subject to approval.

L. Characteristics:

1. Rated Power (net site rating): As shown on drawings

2. Winding Connections: Dyn 11 fully insulated and brought out.

3. Frequency: 60 Hz.

4. Type of Cooling: ONAN (oil natural, air natural)

M. Accessories are to include the following:

1. Dial type thermometer with maximum pointer and N.O. alarm and trip contact.

2. Drain valve and sampling device.

3. Flat rim wheels and attachment fittings.

4. Magnetic oil level indicator with low level alarm contacts on conservator.

N. Accessories for transformers rated at 1000 kVA or higher are also to include Buscholz

relay, with separate contacts for alarm and tripping.

2.2 SEALED LIQUID IMMERSED TYPE

B. Type: 3-phase, indoor type, two-winding, liquid immersed, sealed type, rated for

continuous operation under site ambient conditions at full rated power, naturally cooled

(ONAN) with off-load, manual, externally operated tap- changer, lockable in all

positions, on primary side.

C. Standards: Transformer is to comply with IEC 60076, 60156, 60296 and 60404-2.

D. Construction: Variable volume steel tank, with corrugated wall design forming integral

cooling pockets, heavy rolled welded steel bottom and base frame and hermetically

sealed bolted-on cover. Tank is to be filled with insulating liquid drawn in under

vacuum. Cover is to have provision for two thermometers or temperature sensors, lugs

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for lifting, four lashing lugs and filler-pipe with valve. Tank is to have drain valve at

bottom, earthing bolt on cover, earthing pad on base-frame, and rating plate.

E. Base Frame: Complete with four towing lugs and provision for fringeable flat rim wheels

arranged for longitudinal or cross-travel.

F. Noise level in general is to be less than 76 dB at 0.3 m for ratings up to 1600 kVA and 69

dB for ratings up to 630 kVA, and in accordance with IEC 551.

G. Windings: Copper, unless otherwise approved.

H. Bushings: Porcelain, mounted on tank cover, with arcing horns on MV side (if not

enclosed). Side bushings for flanged and enclosed connections or plug-in bushings are to

be provided for terminal connections as required or as shown on the Drawings.

I. Cable terminals, fittings and sealing ends are to be arranged as described in paragraph

‎2.2K hereof and/or as shown on the Drawings.

J. Finish: Surfaces are to be steel grit blasted, caustic washed and phosphatized, primed

with waterproof primer and finished with weather-resistant enamel and final coat of air-

drying enamel. Alternative finish may be used subject to approval.

K. Characteristics:

L. Sealed Liquid Immersed Power Transformer Characteristics:

1. Rated Power (net site rating): As shown on drawings

2. Insert either: Dyn 11, or(other).

3. Winding Connections: Dyn 11 fully insulated and brought out.

4. Insert either 50 or 60.

5. Frequency: 60 Hz.

6. Type of Cooling: ONAN (oil natural, air natural)

M. Accessories are to include the following:

1. Magnetic liquid gauge with N.O. low level alarm contact.

2. Dial type thermometer with N.O. alarm and trip contacts and maximum pointer.

3. Pressure relief device with N.C. trip contact.

4. For transformers over 500 kVA rating: combined pressure/vacuum gauge provision

for cooling fan.

5. For any transformer rating, as needed: flat rim wheels and attachment fittings to

base.

PART 3 - EXECUTION

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3.1 INSTALLATION

B. Locations and Layout: Exact locations and physical layout of equipment and components

may be varied as required to suit manufacturer's design and as approved, provided the

required functions and operations are accomplished; follow the identification of the units

indicated on Drawings exactly to ease checking and building maintenance procedures.

C. Equipment Bases: Ensure that concrete bases and foundations provided for installation of

equipment are constructed in accordance with approved shop and construction drawings

and equipment manufacturers' drawings and that holes for fixing bolts and provisions for

passage of cables etc. are provided as required.

D. Cable Trenches: Ensure that trench construction and covers provided for installation of

power and control cables are in accordance with approved shop and construction

drawings.

E. Built-In Items: Ensure that equipment supports, fixings and the like, and sleeves for

passage of feeders and cables which are to be built into concrete foundations, bases, cable

trenches or building structure are provided as and when required and that they are

properly installed.

F. Equipment: Install on concrete bases etc., and assemble completely plumb and level,

before grouting in holding-down bolts.

G. Supports and Terminations: Install all incoming and outgoing cable supports, cable ends

and termination fittings required for MV, LV and control cables.

H. Relays: Set in accordance with manufacturer's instructions and the Local Power

Authorities requirements.

I. Earthing: Ensure that earthing installation is as described in Division 16 Section

"Grounding and Bonding" of the Specification and/or as shown on the Drawings.

J. Temporary Lifting Provisions: Remove temporary lifting eyes, channels, brackets, and

temporary blocking of moving parts from switchgear units and components.

3.2 IDENTIFICATION

B. Identify transformers and install warning signs according to Division 16 Section "Basic

Electrical Materials and Methods."

3.3 CONNECTIONS

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B. Tighten bus joint, connector, and terminal bolts according to manufacturer's published

torque-tightening values. If manufacturer's torque values are not indicated, use those

specified in applicable Standards.

3.4 FIELD QUALITY CONTROL

B. Equipment: Inspect equipment upon delivery to site and report any damage to Engineer.

C. Components: Check component ratings, types, sizes and wiring connections, including

current and voltage transformers, fuses, switches, instruments and relays.

D. Manufacturer's instructions are to be followed under all circumstances. Carry out and

record measurement and tests recommended by the manufacturer.

E. Test Objectives: To ensure transformer is operational within industry and manufacturer's

tolerances, is installed according to the Contract Documents, and is suitable for

energizing.

F. Test Labeling: On satisfactory completion of tests for each transformer, attach a dated

and signed "Satisfactory Test" label to tested component.

G. Schedule tests and provide notification at least 7 days in advance of test commencement.

H. Report: Submit a written report of observations and tests. Report defective materials and

installation.

I. Tests: Include the following minimum inspections and tests according to manufacturer's

written instructions.

1. Inspect accessible components for cleanliness, mechanical and electrical integrity,

and damage or deterioration. Verify that temporary shipping bracing has been

removed. Include internal inspection through access panels and covers for dry-type

transformers.

2. Inspect bolted electrical connections for tightness according to manufacturer's

published torque values.

3. Insulation Resistance: Perform meg-ohmmeter tests of primary and secondary

winding to winding and winding to ground.

4. Duration of Each Test: 10 minutes.

5. Temperature Correction: Correct results for test temperature deviation from

20 deg C standard.

6. Turns Ratio: Measure between windings at each tap setting. Measured ratios

deviating more than 0.5 percent from calculated or measured ratio for an adjacent

coil is not acceptable.

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7. Winding Resistance: Measure for windings at nominal tap setting. Measured

resistance, deviating more than 1 percent, from that of adjacent windings, is not

acceptable.

8. Liquid-Filled Transformer, Insulation Power-Factor Test: Determine overall

dielectric loss and power factor for windings' insulation. Limit test voltage to line-

to-ground voltage of windings being tested.

J. Test Failures: Compare test results with specified performance or manufacturer's data.

Correct deficiencies identified by tests and retest. Verify that transformers meet specified

requirements.

3.5 GROUNDING

B. Comply with Division 16 Section "Grounding and Bonding" for materials and installation

requirements.

3.6 CLEANING

B. On completion of installation, inspect components. Remove paint splatters and other

spots, dirt, and debris. Repair scratches and mars on finish to match original finish.

Clean components internally using methods and materials recommended by

manufacturer.

3.7 ADJUSTING

B. After installing and cleaning, touch up scratches and mars on finish to match original

finish.

C. Adjust transformer taps to provide optimum voltage conditions at utilization equipment

throughout normal operating cycle of facility. Record primary and secondary voltages and tap

settings and submit with test results.

END OF SECTION 16350

SECTION 16452

GROUNDING

A. In Clause 2.01.B.1: Ring ground conductor should be buried to a minimum depth of

750 mm (instead of 60 mm) as per NEC.

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B. In Clause 3.01.C: Wherever connection of any dissimilar metals (Aluminum & Copper)

is needed, use bimetallic fittings, in addition to the proper anti moisture paint to avoid

galvanic corrosion.

END OF SECTION 16452

SECTION 16620

STANDBY POWER GENERATING SYSTEM

Replace the contents under “PART3-EXCUTION” by the following;

3.1. EXAMINATION

A. Examine areas, equipment foundations, and conditions, with Installer present, for

compliance with requirements for installation and other conditions affecting packaged

engine generator performance.

1. Proceed with installation only after unsatisfactory conditions have been corrected.

B. Examine roughing-in of cooling-system piping systems and electrical connections.

Verify actual locations of connections before packaged engine generator installation.

3.2. CONCRETE BASES

A. Install concrete bases of dimensions indicated or otherwise required for packaged engine

generators. Refer to Division 3 Section "Cast-in-Place Concrete" and Division 16

Section "Basic Electrical Materials and Methods."

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3.3. INSTALLATION

A. Equipment Bases: Ensure that concrete bases and foundations provided for installation of

equipment are constructed in accordance with approved shop and construction drawings

and manufacturers' equipment drawings and that holes for fixing bolts and provisions for

passage of cables etc. are provided as required.

B. Install packaged engine generator to provide access for periodic maintenance, including

removal of drivers and accessories.

C. Built-In Items: Ensure that equipment supports, fixings and the like, and sleeves for

passage of feeders and cables which are to be built into concrete foundations, bases or

building structure are provided as and when required and that they are properly installed.

D. Tools: Use only tools recommended by equipment manufacturers for installations,

particularly in making connections and adjustments.

E. Supervision: Carry out equipment installation under the direct supervision of a qualified

technician, licensed by and trained at the factory. Final adjustments and putting into

satisfactory operation are to be made by a specialist delegated by the factory.

F. Generating Set: Install to maintain alignment and minimize engine and generator stresses.

Protect instrumentation and control equipment including engine mounted instruments

from machine vibration. Mountings and method of mounting are to be as recommended

by the manufacturer and approved by Engineer.

G. Engine exhaust piping is to be slightly sloped away from engine to avoid condensation

returning to engine and is to have drain plugs or clean-out at lower end as required.

H. Engine Hot-Air Exhaust Duct: Install approved canvas duct with metal frames between

radiator and louvered opening in wall for radiator exhaust air.

I. Tank Vent Pipe: Extend to nearest outside wall of building and carry up to at least 2 m

above ground level with end at least 1 m away from any building opening. Slope vent

pipe back to tank without traps and support securely. Provide replaceable dust filter and

gooseneck bend or approved weatherproof vent cap at top of pipe.

J. Pipe Hangers And Supports: Fasten securely to building structure with approved masonry

expansion bolts, minimum 20 mm diameter and install in accordance with manufacturers'

instructions.

K. Earthing: Install earthing system in accordance with Division 16 Section "Grounding and

Bonding" of the Specification.

3.4. CONNECTIONS

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A. Piping installation requirements are specified in Division 15 Sections. Drawings indicate

general arrangement of piping and specialties. The following are specific connection

requirements:

1. Install piping adjacent to packaged engine generator to allow service and

maintenance.

2. Connect water supply to cooling system.

3. Connect cooling-system water supply and drain piping to diesel engine heat

exchangers. Install flexible connectors at connections to engine generator and

remote radiator.

4. Connect exhaust-system piping to diesel engines.

B. Electrical wiring and connections are specified in Division 16 Sections.

C. Ground equipment.

1. Tighten electrical connectors and terminals according to manufacturer's published

torque-tightening values. If manufacturer's torque values are not indicated, use

those specified in applicable Standards.

3.5. IDENTIFICATION

A. Identify system components according to Division 16 Section "Basic Electrical Materials

and Methods."

3.6. FACTROY WITNESS TEST

D. Factory testing units, of each rating of the generators to be supplied, is to be witnessed by

the Client‟s and Engineer‟s representatives. Selection of the units for witness test is to be

randomly carried out by the Engineer and is to cover all ratings to be delivered.

E. Witness test is to include complete routing and function testing on the engine-generator

set, all components and accessories, according to the requirements of the specified

regulation and standards and including any special tests that may be specified by the

Engineer, on all units to be witnessed.

F. Test procedures are to be submitted for approval prior to test conduction date.

3.7. FIELD QUALITY CONTROL

A. Equipment: Inspect equipment upon delivery to Site and report any loss or damage to

Engineer.

B. Earthing resistance tests if any are to be carried out to verify specified requirements.

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C. System Integrity Tests: Methodically verify proper installation, connection, and integrity

of each element of engine generator system before and during system operation. Check

for air, exhaust, and fluid leaks.

D. Load tests are to be carried out at low loads to overload conditions, at various power

factors. Measurements are to include voltage and frequency deviations and regulating

time under various step loading conditions, temperature measurements and pressure

measurements at various locations, and in accordance with an approved plan under

conditions equal to worst site ambient conditions.

E. Tests are to include:

1. Full load test for 8 hours continuous, without interruption.

2. Insulation measurement.

3. Functional tests for voltage sensing, automatic start and synchronization transfer of

load and load sharing as applicable.

4. Operation of engine shutdown and alarm signaling and indication, under simulated

fault conditions.

5. Measurement of vibration transmission to building structure.

6. Battery Tests: Measure charging voltage and voltages between available battery

terminals for full-charging and float-charging conditions. Check electrolyte level

and specific gravity under both conditions. Test for contact integrity of all

connectors. Perform an integrity load test and a capacity load test for the battery.

Verify acceptance of charge for each element of battery after discharge. Verify

measurements are within manufacturer's specifications.

7. Battery-Charger Tests: Verify specified rates of charge for both equalizing and

float-charging conditions.

F. Load Banks: If actual loads are not made available at time of acceptance testing, provide

load banks to carry out complete test cycle of the system under loading and switching

conditions necessary to prove compliance with the Specification.

G. Piping System: Using carbon dioxide or nitrogen from pressurized cylinder, test each

system to 1.5 times normal operating pressure. Do not subject equipment, apparatus or to

pressure exceeding prescribed test pressure obtained from nameplate data or from

manufacturers' published data. Apply tests before connecting piping to equipment.

Remove or disconnect and blank off relief valves, instruments and devices that might be

damaged by test pressure. Maintain test pressure on system for 24 hours during which

time there is to be no noticeable drop in pressure. Check for leaks using soap solution.

Isolate source of pressure during testing.

H. Coordinate tests with tests for transfer switches and run them concurrently.

I. Retest: Correct deficiencies identified by tests and observations and retest until specified

requirements are met.

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J. Report results of tests and inspections in writing. Record adjustable relay settings and

measured insulation resistances, time delays, and other values and observations. Attach a

label or tag to each tested component indicating satisfactory completion of tests.

K. Test instruments shall have been calibrated within the last 12 months, traceable to

applicable standards, and adequate for making positive observation of test results. Make

calibration records available for examination on request.

3.8. COMMISSIONING

A. Battery Equalization: Equalize charging of battery cells according to manufacturer's

written instructions. Record individual cell voltages.

3.9. CLEANING

A. On completion of installation, inspect system components. Remove paint splatters and

other spots, dirt, and debris. Repair damaged finish to match original finish. Clean

components internally using methods and materials recommended by manufacturer.

END OF SECTION 16620

SECTION 16670

LIGHTNING PROTECTION SYSTEM

Material of the lightning protection grid is to be either copper or aluminum, as required by

NFPA 780.

END OF SECTION 16670

SECTION 16720

FIRE ALARM SYSTEM

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A. Remove the “Conventional Fire alarm System Field Devices” and the ionization smoke

detector paragraphs.

B. “Fire alarm panel batteries” are to ensure at least 8 hours of full operation in case of power

failure.

C. Add the following:

a. Each building shall have its individual FACP which shall be interconnected with

the Main FACP, from their signals to HVAC, Public Address System.

b. FACP features:

i. Routine testing of panel & detectors;

ii. Printing routine report;

iii. To have ability to print in Arabic;

iv. Beside of each FACP there shall be located a map of the building where all

the FAS components are shown- for Main FACP the site with the building

FACPs shall be shown on a map, it shall have printer, too.

END OF SECTION 16720

SECTION 16735

DATA NETWORKING ACTIVE COMPONENT

PART 1 GENERAL

1.1 Scope of work

1.1.1 The purpose of this document is to define works to be performed under this section,

installations regulation for data network equipment.

1.1.2 This section covers the local area network active components & define the general

requirements for switching.

The term active components here is mainly concerned with network switching equipments

(core ,distribution& edge switches).

1.1.3 This section details the description of the works to be carried out by the contractor

concerning the following items:

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- Core switches

-- Edge switches.

- Network management platforms.

1.1.4 Related works specified elsewhere

This section shall be closely coordinated with other related sections & general

requirements sections:

- Grounding bonding.

1.2 definitions

1.2.1 Data Network: It is the switching network that will perform all switching and routing

functions for data services.

1.2.2 Core Switches: The Core Switches will be located at the heart of the network and

shall provide very fast switching ,intelligent high performance platform for deploying

numerous concurrent intelligent services without degrading the overall performance of

the network. The core switches shall perform various functions using various service

modules for wan interfaces ,security firewalls…etc.

1.2.3 Edge Data Switch: Edge Switches will be located at the wiring closets

(telecommunication closets) ,they will provide users with access to the network. The

edge switches shall support power over Ethernet on all ports. Each Edge switch/edge

switch stack shall be connected to distribution switch via two uplinks each one is

1GbE (1000 Base LX) .each link shall be on different module in the distribution

switch.

1.2.4 Network Equipment Management Software: The management software main function

is to enable remote and centralized configuration of the different parameters and

functions of switches and routers of the Data Network.

1.4 quality assurance

The following standards form the frame work of the related standards to be considered

ISO/IEC 11801 latest edition for their physical interfaces

IEEE 802.3x standards related to the following either upon twisted pairs or optical

fibers:

- Ethernet

- Fast Ethernet

- Gigabit-Ethernet

- 10 Gigabit-Ethernet

IEEE 802.3ad Gigabit-Ethernet channeling

IEEE 802.1q VLAN Ethernet.

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IEEE 802.1p Classes of Services (CoS).

IEEE 802.1d Spanning-Tree Protocol

IEEE 802.1s Multiple Spanning-Tree Protocol (Layer 2 load sharing on redundant links)

IEEE 802.1w Rapid Spanning-Tree Protocol

IEEE 802.3af Power over Ethernet

IEEE 802.1x network security standards

- Core Data Switches must also comply with:

ATM Forum standards

Frame Relay standards

1.5 general requirements

1.5.1 The network shall be capable of recovering from failures and topology changes

quickly and in a predetermined manner. The network should be scalable and easily

support future expansions. The network shall be capable of classifying and marking

data packets at the network edge, minimizing congestion and allowing traffic to be

prioritized.

1.5.2 The traffic has to flow efficiently through the network, to prevent bottlenecks. Also

the traffic must be controlled in an efficient way to make it easy to cope with the

changing requirements and priorities as network grows and evolves.

1.5.3 The network must be secured to ensure only authorized users can gain access to the

network, to restrict access to sensitive network areas, and to prevent data and voice

traffic from traveling to the wrong stations.

1.5.4 Support for cryptographic methods.

1.5.5 The network shall be able to accommodate future expansion in terms of hardware &

the impact on the expected traffic pattern.

1.5.6 The network must provide a convergent unified infrastructure to support data system .

1.5.7 The network shall demonstrate high level of redundancy on various levels from

physical redundancy by using dual core design concept, using dual power supplies at

core switches & other redundancy features.

1.6 submittals

The contractor shall submit the following prior to installations:

1.6.1 Workshop drawings illustrating full details of rack elevations along with all related

network drawings, in addition to the physical and logical diagrams of the proposed

network illustrating the following:

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- Type of physical links and interfaces

- Type and rate of each logical link.

- Number and type of each port of each proposed equipment, power over Ethernet ports

shall be specified.

- Manufacturer references of each equipment.

1.6.2 The contractor has to show the maximum number of ports that can be provided by the

core and edge switches against the number actually used ports for the current situation.

1.6.3 The installer reference with similar projects.

1.6.4 Certificates from the Manufacturer illustrating that the installer has the qualified

personnel to perform design, installation and configuration for the provided

equipments. Personnel certificates from the manufacturer must be submitted. The

certificates must be appropriate with the requirement with the required configuration

& maintenance expected tasks.

1.6.5 Proposed schedule for installations and configurations

1.6.6 Complete set of manuals and software for each switch illustrating the installation and

configuration processes along with the periodic maintenance procedures.

1.6.7 The standard warranty shall be provided and shall be completed to achieve three years

warranty.

1.6.8 Hands on Training schedule illustrating the studying hours along with the materials

.The training shall include installation and configuration detailed steps along with the

maintenance strategy.

1.6.9 VLAN and Addressing plan foreseen for the proposed network.

1.6.10 Proposed Quality of Service policy.

1.6.11 Technical Data sheets of all proposed supplied equipments.

1.6.12 At the end of each working phase, the Contractor shall provide a complete set of as

built document including:

- All prior documents requested for execution and completed in accordance with the

real executed works.

- Management software configuration with managed domains and user rights of each

operator using management software.

- Technical data sheets, references and catalogues of installed equipment and

software manufacturers.

- The configuration files will be given to the Client Representative Technical

Consultant for validation.

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1.6.13 The contractor will be notified to re-examine without delay, any error, omission or

non-conformity, which would be identified by the consultant at this stage.

1.6.14 Any anomaly or non-conformity raised on these document omission will be subject to

a notification.

1.7 network description

1.8.1 The network design shall be modular in nature. The telecommunication closets are

distributed all over the project various floors and areas.

1.8.2 The telecommunication closets contain the communication racks, the racks contain the

access layer edge switches that provide the user with the network access and connect to

the core switches.

1.8.5 The backbone switches shall be modular with enough backplane throughput or

bandwidth that can deal efficiently with the connected traffic. Free Slots (at least 25%

of chassis slots) should be available per each chassis in order to provide future

expansion.

1.8.6 The proposed design should avoid any kind of traffic bottlenecks in the backbone. The

switch shall support hot-swap for easy dynamic expansions.

part 2 products

2.1 core switches

2.1.1 The network will have one core switch. The core switches shall be optimized to

provide convergent network for data system.

2.1.2 The core switches shall have various redundant features including two switching

fabric cards, two power supplies…etc.

2.1.3 The core switches must be modular. Each chassis shall include slots supporting wide

range of switching and service modules.

2.1.4 Contractor shall provide bandwidth calculations indicating the appropriate required

backplane switching fabric in Gbps along with required forwarding rates in Million

packet per second for core and distribution switches .In general The Core switches

shall have two 720 Gbps Switching fabric cards forming 1.44 Tbps , with L2-L7

capabilities . the core & distribution switches shall have extra slots to support 25%

expansion of ports capacities. The switching fabric for the distribution switches shall

be at least 136Gbps.

2.1.5 The following features are currently desirable & should be available in the provided

equipment. Bidders shall state clearly any deviations/omissions/additions/equivalent features

& indicate which are the standard & proprietary supported protocols.

- High Availability Requirements:

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Primary and secondary switches must fail over to one another using virtual

router redundancy protocol(VRRP) to achieve <1second fail over.

Hot Swappable Switch Fabric, Power Supplies and fan trays and Switching

modules.

Dual switch software and configuration file images on processors.

Active Alternate locations for switch software and configuration file images

(Flash, PCMCIA, Network Drive)

The switch‟s operating system or application-specific software(s) should not at

any time affect of operation by causing a system to: crash, reboot, enter a state

of Denial of Service (DoS), fail to respond to any type of user/network traffic,

fail to respond to any type of management traffic, use built-in user

name/passwords to gain illegal access to the switch.

- Operational Management:

Weight Round Robin/Weighted Fair Queuing on all ports with 8 queues per

port. All ports on the core switches shall support full Quality of Services

without any additional hardware / software for future usage.

Per VLAN rate limiting.

Per port Ingress & Egress port limiting

SNMP v1, 2, 3

Equal Cost Multiple Routing policy filters (ECMP) (RFC 2992) to provide link

redundancy and load sharing across multiple paths to the same destination, and

rapid convergence to the alternate path if a path becomes unavailable due to a

network event.

Layer 3 load balancing on both backbone switches

Remote port mirroring (multiple hops away) - Allow the user to mirror traffic

on a certain port to a remote switch (multiple hops away).

Guarantees that a receiver in a multicast group either receives all data from

transmissions and retransmissions, or is capable of detecting unrecoverable data

packet loss

- Supported Protocols

BGP(Border Gateway Protocol )

OSPF (Open Shortest path first)

IP RIPv1/2 (Routing Information Protocol)

ICMP (Internet Message Control Protocol)

SSH (Secure Shell)

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IGMP(v1, 2, 3) (internet Group message Protocol)

Multicast in Hardware

PIM, including Bi-directional PIM (Protocol Independent Multicast)

ECMP (Equal Cost Multi-Path routing)

- Advanced Security:

Port security with MAC-based security and IEEE 802.1x EAP (Extensible

Authentications Protocol). The Switch shall provide the ability of integration

with End-Point Security Policy Enforcement agents and interface using Standard

802.1x EAP.

Network Address Translation (NAT)

Transmission Control Protocol (TCP) intercept hardware acceleration

IEEE 802.1x EAP

ACL (Access Lists)

SSH v1/2 (Secure Shell)

Denial of Service (DoS) attack prevention

VRRP response mode

OSPF MD5 encryption authentication

Discard Unknown MAC Security

- Connectivity Options

802.3ad link Aggregation, across modules with all ports active and load sharing

traffic at the same time. The Switch shall allow groups 10/100/1000 Mbps ports

either fiber or copper on different I/O modules to act as in a single trunk.

Ability to Cluster core switches to provide a single virtual Switch facing the

Servers and the distribution switches. Thus all links between the (core switches

– distribution switches), (core switches – Servers) shall be active and Load-

Sharing using Standard 802.3ad.

Ethernet

IEEE 802.3, 10BASE-T

Fast Ethernet

IEEE 802.3u, 100BASE-TX

IEEE 802.3, 100BASE-FX

Gigabit Ethernet

IEEE 802.3z

IEEE 802.3x

IEEE 802.3ab

1000BASE-SX

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1000BASE-LX

1000BASE-XD/ZX

10 Gigabit Ethernet

IEEE 802.3ae

ATM OC-3

ATM OC-12

- Firewall:

The firewall shall be performed in hardware using firewall module to be plugged into the

core switches or a separate firewall box to be connected to the network.

2.2 Edge Switches

The following features are currently desirable & should be available in the provided

equipment. Bidders shall state clearly any deviations/omissions/additions & indicate which

the standard & proprietary supported protocols are. The required protocols shall be

complied with the latest versions of related parameter/protocol. :

2.2.1 General features

- The edge switches shall be 24 port auto negotiating 10/100/1000 Base-TX supporting

POE (power over Ethernet 802.3af.) in addition to at least two GBIC/SFP modular

slots .each edge switch stack shall be connected to the Core layer switches via 1x1GbE

(1000 Base-LX). The uplinks shall be upgradeable to 10 GbE .

- Edge switches shall have the ability to be connected to external redundant power

supply.

- The switching capacity /switching fabric shall not be less than 64 Gbps per switch.

- Packet classification at Layers 2/3/4 at wire speed to provide security, filtering, and

quality of service at the edge of the network.

- Ability to aggregate ports from different switch stack members and operate in

Active/Active load-sharing mode either Fiber/Copper.

- Wires peed performance.

2.2.2 LAYER 2

- 802.1Q (Virtual LAN support)

- 802.3ad (Link aggregation)

- Voice VLAN

- 802.1D (Spanning tree protocol-STP)

- 802.1w (Rapid spanning tree protocol-RSTP)

- 802.1s (Multiple spanning tree protocol-MSTP)

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- BPDU (bridge protocol data unit ) protection

- IGMP (Internet grouping management protocol) version 1,2,3

- Filtering for multicast groups

2.2.3 LAYER 3

- RIPv1/v2 (Routing information protocol support)

- Support static routing

- Hardware based routing

- Support routing policies

2.2.4 Security

- DHCP snooping

- Support access lists at layers 2,3 & 4

- 802.1X

- TACACS+/RADUIS

- Port security based on MAC address

- MAC and IP based filters

2.2.5 QoS (Quality of service ) Features

- QoS Architecture to assure End-to-End QoS with the edge for all traffic types .

- Per-Switch/VLAN/Port QoS templates for granular control

- 8 hardware queues per port

- 8 hardware queues, essentially providing 8 different levels of emission priorities, or 8

different levels of QoS to support for the QoS architecture

- Strict & weighted round robin queuing on all I/O ports

- - Internal QoS level 802.1p bits, MAC, port, VLAN QoS level, Differentiated

services code point (DSCP)

- Packet Classification in Hardware ASICS at Ingress/Egress ports

- Filtering in Hardware ASICS at Ingress/Egress ports

- Policing and Rate Metering in Hardware ASICS at Ingress/Egress ports

- Standards 802.1p and DSCP to QoS mapping at Ingress/Egress ports

- Minimum roundtrip latency for time sensitive applications like (VoIP, Video

Conferencing and streaming media applications) shall be indicated.

2.3 Network Management System

The proposed NMS shall include a suite of applications to provide tools for multi-

layer topology support, fault and performance management, network visualization,

and statistics gathering. The fault and performance management tools shall enable

multi-device alarm and event correlation; proactive base lining and threshold; and

RMON performance management. It Shall include the ability to aggregate faults and

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provide detailed descriptions and solutions for faults. The visualization tools shall

provide insight into the Internet, intranet, and the physical network, enabling users to

better organize network resources.

The offered NMS shall be able to manage larger and more complex Ethernet

networks. It shall have the flexibility to grow as the network grows. The key

requirements for the NMS are:

- Ease of managing and troubleshooting Ethernet networks

- Automated discovery and display of Ethernet topology and devices

- Consolidation and correlation of network faults

- Powerful diagnostic functions for multicast, unicast, and WAN protocols

- Real-time performance analysis

- Scalability and security for managing large networks

END OF SECTION 16735

SECTION 16740

TELEPHONE AND DATA SYSTEMS

A. This Section is to be renamed to “16740-DATA SYSTEMS SPECIFICATIONS” as it is

intended only for the data systems specification.

B. For specifications related to “IP telephony system”, refer to new section “16745-IP

TELEPHONY SYSTEM”.

C. Moreover, there are some comments to be considered in section 16740, as follows:

i. Replace all data cables of type Cat 5e by CAT 6.

ii. Remove the following items from section 16740, and compile them to a new

section number “ 16741 – Conventional Telephone system” :

i. 1.02 References: C. EIA – Electric Industries Association (page 1).

ii. 1.02 References: D. IEEE – Institute of Electrical and electronics Engineers

(page 1).

iii. 2. PART 2 – PRODUCTS: 2.01 TELEPHONE SYSTEM (Page 3 to Page 9)

iv. 2.04 FREQUENCY BLOCKER (page 14).

v. 3.04 CONNECTION TO SAUDI-TELEPHONE LINES (page 15).

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iii. At page 9, Replace “2.02 DATA LAN SYSTEM (IF RQUIRED)” by “2.02 DATA

LAN SYSTEM “.

END OF SECTION 16740

SECTION 16745

IP TELEPHONY SYSTEM

PART 1 - GENERAL

1.1 ELECTRICAL WORK GENERALLY is to be in accordance with the requirements of

Sections 201, 202 and 203 of the Specification.

1.2 DESCRIPTION OF WORK: This Section includes the electronic components required to

provide and operate a carrier grade IP-based Telephony Communications System which include

central switching equipment and telephone instruments for use on communication and data-

processing equipment.

All hardware is to be current offering of the Manufacturer, and be receiving the highest level of

support offered by the Manufacturer.

All hardware is to be new equipment.

The scope of work consists of the design, engineering, procurement, and installation of

components required for the operation of an IP-based Telephony Communications System and are

based on, but not limited to, the following:

A. Call Processor severs.

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B. Integrated service routers.

C. Network Switches

D. Unified messaging system

E. IP Telephone sets

F. Attendant Consoles

G. Distribution Cabling

1.3 REGULATIONS AND STANDARDS: telephone installations are to comply with the

requirements of SAUDI TELECOM and the relevant standards and recommendations.

Comply with the following ITU-T standards:

A. E.164: The international public telecommunication numbering plan

B. G.114: One-way transmission time

C. Audio Codec :

1- G.711: PCM

2- G.729/G.729A: CS-ACELP

3- G.726: ADPCM

4- G.728: CELP

5- H.323: Packet-based multimedia communications systems

6- H.225 - call control protocol

7- H.235 – security

8- H.245 - media control protocol

9- Q.931: ISDN user-network interface layer 3 specification for basic call control

D. Comply with the Following IETF Standards:

1- RFC 3261 - SIP: Session Initiation Protocol

2- RFC 2327 - Session Description Protocol

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3- RFC 3266- Support of IPv6 in SDP

4- RFC 2246 - The TLS Protocol

5- RFC 3850 - (S/MIME) Version 3.1

6- RFC3031 – Multi protocol Label Switching Architecture

7- RFC 2475: An Architecture for differentiated Services.

The Implemented System may have and use a vendor specific protocol if proven to elevate system

performance.

A. Lower Blockage rate.

B. Better Voice Quality at busy hour illustrated with Mean Opinion Score (MOS).

C. Faster Call Setup.

1.4 EQUIPMENT DATA: submit data for approval including complete technical data and

manufacturer's catalogues for all equipment and materials.

1.5 TESTS: All related equipment are to be tested at manufacturer's premises, and test certificates,

certified by an official testing authority, are to be submitted to the Engineer before shipping and

delivery to site.

1.6 SHOP AND CONSTRUCTION DRAWINGS: submit drawings for approval including, but

not limited to, the following:

A. Detailed system schematic diagram

B. Logical Network Drawing

C. Wiring layout and each Distribution Panel (Cabinet) Layout

D. Floor Layout showing Cables Routing, from Wiring Centres to telephone outlet

connections, Cabling type and running lengths for each cable should be identified.

E. Main and Horizontal cross connects layout

F. Typical installation details of Cabinets, indicating risers, conduit connections, tags,

labels, mounting methods and materials used.

PART 2 - PRODUCTS AND SYSTEMS

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2.1 CALL PROCESSOR SERVERS (CPS)

The Primary Call Processor Servers are to control all the internal / external phone calls that the

campus network is handling. Two CPS are required to be installed. The two CPS are to work in an

active / standby manner, so if one CPS fails, the phone sets are to automatically be registered at

the redundant CPS.

Each CPS is to have two redundant 10/100 Mbps uplinks to the core switch.

The CPS is to provide non-blocking operation for at least 1000 users (IP phone sets, soft phones,

wireless IP phones and analog phones). Solution is to demonstrate how the system could handle

up to 200 simultaneous calls (all users‟ extensions are busy).

Detailed explanation for the hardware (CPU, memory, hard disk, etc…) and software (operating

system) architecture of the proposed CPS is to be submitted for approval. Reliability / Availability

/ Serviceability features supported by the system is to be highlighted.

The CPS is to allow for the following basic features as minimum. Solution is to clarify without

any ambiguity if any of the following features are not entirely supported by the proposed system

and to highlight other features that are not listed below:

Call Hold: Both calling and called party can place a call on hold.

Music on Hold: The system has an integrated recorder to run music (or general

announcements) during call hold.

Call Pickup: A user can answer neighboring calls in his group by pressing the pickup

feature key.

Call Forward: Forwards internal and external calls onto any telephone extension. If the

extension is busy, the system should forward the call automatically onto the voice mail or

another pre-assigned extension.

Follow Me: Transfers calls automatically from one extension to another.

Call Park: A user can park a call for a certain period at a specific directory number so he or

any other user can retrieve it.

Camp-on: Allows user's extension to automatically ring a busy extension as soon as the

latter becomes idle.

Call Back: Auto ring onto an extension that doesn‟t answer.

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Caller ID: Display internal and external call numbers on the phone display. Also, caller

name information can be managed via LDAP server.

Do Not Disturb: Extensions set to DND should not be interrupted by any calls except for

emergencies.

Call Announcement: Visual and/or audible alert when a busy station receives another call.

Abbreviated Ring: Additional incoming calls ring with an abbreviated ring tone.

Conference Calls: At least 3 parties (internal and/or external) can get into a conference.

The system should also allow for the conference chairperson to drop off certain members.

Call by Name: Extensions can be replaced by names.

Call Coverage: A call ringing at one extension can ring on a group of covering extensions,

and can be answered by any extension.

Call Privacy: Prevents any user from accidentally or deliberately bridging onto a live call.

Call Routing: Supports basic call routing up to 11-digit numbers, for local as well as

international dialing.

Call Barring: The system can block calls based on a certain prefix numbers (i.e. 0900).

Authorization Code: Allows authorized users to override access restrictions assigned to

any station.

Night Service: The system should support different day and night configurations.

Console Queuing: Both internal and external calls can be queued at the console set

according to a certain priority.

Automatic Attendant: Capability to automatically handle incoming calls and direct them

correctly by providing a multi-level of command menus.

Flash Signal: Allows access to some services provided by the central office.

Hunt Groups: Groups of extensions can be established to answer multiple / simultaneous

calls placed to a certain DID number.

Trunk Groups: The system should at least support 100 trunk groups on different pools.

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Feature Access Codes: Allows access to different system features via access codes.

Class of Service (CoS): Extensive features for calling restrictions that can be assigned to

users, groups, trunk lines, etc…

Automatic Line Selection: Incoming / outgoing calls shall automatically select the proper

line to go through.

Multiple Lines assignment: Multiple extensions and/or CO lines can be assigned to the

same station.

The system is to be equipped with an embedded LDAP server.

The CPS is to support DTMF delivery in order to communicate with any external IVR and touch-

tone systems.

In case of more than one CPS are connected within the same system, a uniform numbering plan is

to be maintained.

The system is to support silence suppression as well as echo cancellation. A description of the

mechanisms used to provide both features is required.

QoS capabilities of the proposed system in order to guarantee the voice quality is to be

demonstrated. Factors like packet loss, delay and delay variation are to be minimal.

The system is to provide call admission control (CAC) to keep track of bandwidth utilization as

well as bandwidth allocation for new calls.

The CPS is to support TAPI protocol (Telephone Application Programming Interface) for

computer telephony integration.

Backup procedures recommended for the offered system is to be described as well as the backup

media used (floppy, tape, CD, etc…).

The system is to allow for connectivity with traditional PBX‟s via E1 interfaces.

The proposed system should have redundant power supplies 220VAC, 60Hz.

The CPS is to be managed via CLI, SNMP protocol (preferably SNMPv3) or web-based

management and configuration interface.

2.2 INTEGRATED SERVICE ROUTER

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The Integrated Service Router is to be modular, flexible, scalable and able to handle all estimated

traffic loads. Solution is to provide detailed calculations for the estimated traffic that could be

carried by one Router, stating all methods and assumptions made or used.

Two Integrated Service Router are to be installed to connect to the PSTN with 2 x E1 interfaces.

Each router is to have two 10/100 Ethernet uplinks, one to each router, working on active /

standby manner.

The router is to support various types of analog and digital interfaces including but not limited to:

Analog CO trunks

Analog tie trunks

Digital ISDN PRI channelized

The router is to be managed via CLI, SNMP protocol (preferably SNMPv3) and RMON,

(preferably web-based management and configuration interface). Solution is to state all RMON

groups supported by router.

The proposed router is to have free slots for future upgrade with 50% extra capacity of supplied

ports. Solution is to describe in details:

Max number of slots

Max number of ports supported, for each interface type stating all possible combinations

that shall not affect the performance

Actual number and type of ports offered in each router

Number of free slots that could be used for future upgrade

The router is to have redundant CPU's. Solution is to further explain the hardware architecture of

this router including but not limited to main / redundant processors, memory, buffers, port /

backplane capacity, throughput in mpps, etc…

Solution is to supply the maximum capacity of memory (RAM) and flash (NVRAM) with each

router.

The proposed router is to support different layer 3 IP routing protocols including RIP-v2, OSPF,

BGP4 and static IP routing. Solution is to list all other IP routing protocols supported by the

proposed router.

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The router is to support fail-over routing protocols for layer3 redundancy such as VRRP or

similar.

Each router is to be supplied with original user and installation manuals as soft-copies (CD‟s),

console cable, power cables, and any other needed accessories for mounting the switch into a 19"

data cabinet.

The router is to provide wire-speed switching and routing at L2/L3/L4 without any degradation in

performance. Solution is to describe the calculations he made in order to guarantee wire-speed

performance.

The router is to support full-duplex, non-blocking operation at maximum port speed. Solution is to

explain in detail the hardware architecture of his proposed switch including but not limited to

main and/or distributed processors, memory, buffers, port / switch capacity, throughput in MPPS,

etc…

Solution is to explain without any ambiguity if there is any possibility that the switching fabric can

be blocked. Solution is to prove with calculations how non-blocking operation is guaranteed under

maximum capacity.

The proposed switch is to support IGMP. Solution is to also point out if his proposed switch

supports other IP multicast protocols.

The switch is to be supplied with its single mode fiber patch cords (15m length) with SC jacks to

connect with the fiber patch panels.

The router is to have dual redundant hot swappable power supplies.

As an optiona, Power over-Ethernet [PoE]) complying with IEEE protocol 802.3af could be

adapted to feed telephone sets subject to engineer‟s approval.

2.3 NETWORK SWITCHES

Distributed Network Switches through all floors of the building as shown on the drawings are to

be modular, flexible, scalable and able to handle all estimated traffic loads. Solution is to provide

detailed calculations for the estimated traffic that could be carried by one Switch, stating all

methods and assumptions made or used. The switch is to be designed to support converged

network application, embedded real time monitoring of VOIP call quality, IEEE 802.3af Power

over Ethernet and Quality of service features.

2.4 UNIFIED MESSAGING SYSTEM:

System is to support 300 users, each user will have 5 minute voice mail box with 24 ports for

simultaneous access.

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Receiving a new voice message at a user's mailbox is to produce an alert on the user's phone set.

When a caller reaches a voice mailbox, the system is to be able to reroute him to an extension or to

the operator if needed.

The proposed system is to allow users to customize their personal settings such as personal

greeting messages, passwords, etc

Users are to be able to control their mailboxes for the following:

A. Playback messages

B. Delete messages

C. Replay message

D. Forward message

The system is to provide advanced security features to detect hackers. Detailed description of all

security features in the proposed system isto be submitted.

Regardless where the users are located, system is to provide them with unified access to their

corporate messaging systems for voice mail, e-mail and fax.

Describe how voice messages and faxes can be forwarded to the user‟s e-mail account.

The system is to also provide text-to-speech feature to read e-mail messages over the telephone in

clear voice. Please describe.

Explain in details the following users' features:

A. Users can access their messages either by calling their own numbers or through a web

interface

B. Users can send, receive, save, erase, forward, and append messages

C. Users can send fax directly from their email account

D. Message header information includes time, date and name of sender

System is to have personal productivity features such as reminder calls, usage reporting as well as

easy customization for mailboxes and users personal settings.

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System is to provide message prioritization features including but not limited to mark as urgent,

confidential, future delivery, return receipt and reminder confidential.

System is to be managed and set-up through web-based interface SNMP v3.

Elaborate on other valuable features that his proposed unified messaging system can provide.

2.5 IP TELEPHONE SETS

Different categories of IP sets areto be provided ; all types of IP Phones i are to support the

following common features:

Each set is to have two Ethernet switched ports 10/100BaseT RJ45 for LAN & PC connections.

IP Phone sets are to support both remote power over Ethernet and direct power by AC power

adapter. Each IP phone is to be supplied with its power adapter as well as its Ethernet Cat.6 cable.

IP Phone sets are to automatically obtain their IP addresses from the DHCP server available on the

network. In addition, they are to also accept manual static IP addresses.

Executive Level IP Phone

A. Executive level sets are to support all common features listed above.

B. The executive set's LCD are to at least support 5 lines of text.

C. The set's LCD are to display different operational features including date / time, voice

mail notification, caller ID, active call line, hold call, new incoming call notification,

busy line, etc… In addition, the set is to indicate if a conference call is still active,

either on the LCD or with certain led.

D. The executive set is to have the following buttons as minimum: digits (09), characters

(a-z, *, #), hands free, ring volume, voice level (up / down), auto dial, mute, forward,

flash, hold, redial last call, pause, pick up, soft keys for menus selection, and at least 10

programmable buttons for different features.

E. Executive IP phone is to support up to 5 different extensions / CO lines.

F. The set is to have sensitive speaker for hands-free operation.

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G. The executive set is to have different ring tones. It is to be stated how many ring tones

are supported by the phone set.

H. The set's LCD is to be able to display LDAP directories.

I. Highlight other features in the offered executive sets that have not been specified

above.

Senior Level IP Phone

A. Senior level sets are to support all common features listed above.

B. The set's LCD is to at least support 3 lines of text.

C. The set's LCD are to display different operational features including date / time, voice

mail notification, caller ID, active call line, hold call, new incoming call notification,

busy line, etc… In addition, the set is to indicate if a conference call is still active,

either on the LCD or with certain led.

D. The senior set is to have the following buttons as minimum: digits (0-9),characters (a-

z, *, #), hands free, ring volume, voice level (up / down), auto-dial, mute, forward,

flash, hold, redial last call, pause, pick up, soft keys for menus selection, and at least 5

programmable buttons for different features.

E. Senior level IP phone is to support up to 2 different extensions / CO lines.

F. The set is to have sensitive speaker for hands-free operation.

G. The set is to have different ring tones. State how many ring tones are supported by the

phone set.

H. Other features in the offered set that have not been specified above are to be

highlighted.

Entry Level IP Phone

A. Entry level sets are to support all common features listed above.

B. The set's LCD is to at least support 1 line of text.

E. Set's LCD display functionality is to display different operational features including

date / time, voice mail notification, caller ID, hold call, busy line, Active conference

call indicator on the LCD or with a led, etcThe phone set is to have the following

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buttons as minimum: digits (0-9), characters (a-z, *, #), ring volume, voice level (up /

down), auto dial, forward, flash, hold, redial last call and soft keys for menus selection.

F. The set is to have different ring tones. State how many ring tones are supported by the

phone set.

G. Other features in the offered set, that have not been specified above are to be

highlighted.

IP Soft Phone

A. The soft phone is to emulate the real phone set and all its features.

B. The soft phone is to operate properly with Linux or windows NT4/2000/XP operating

systems.

C. Supply wireless headset (Speaker & MIC) for each soft phone.

D. Soft phone is to support integration with building LDAP server.

E. Other features in the offered set, that have not been specified above are to be

highlighted.

Wireless IP Phone

Wireless IP phone sets are to fully comply with IEEE 802.11b and IEEE 802.11g, Wi-Fi

Direct Sequence Spread Spectrum (DSSS) operating within 2.4 GHz-Band and Orthogonal

Frequency Division Multiplexing (OFDM) operating in the 2.4 GHz band.

Phone set output power isnot to exceed 100 mWatt.

The sets are to support various data rates 6, 9, 12, 18, 24, 36, 48, and 54 Mbit/s for 802.11g

or 11, 5.5, 2 and 1 Mbps for 802.11b/g with automatic selection.

Where required, wireless IP phone sets are to be compatible with GSM networks using the

normal GSM SIM card. The wireless set is to support simultaneous operation of both

modes (802.11b/g and GSM).

Offered wireless sets are to interoperate with the 802.11 access points that must be

installed to cover the building. The number of required access points and areas of

coverage are to be defined according to proposed solution and submitted for approval.

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All features supported by the proposed wireless IP phones are to be described;Features are

to include but not limited to: battery capacity (talk time, standby time), display features,

etc…

2.6 Attendant Console

Two (2) attendant consoles are requiredto be provided. Maximum number of consoles

supported by the proposed system is to be stated.

Proposed attendant console is to hardware-based or software windows based according to

proposed solution and subject to engineering approval. If it is hardware-based, the consol

pad is to be able to accommodate up to 48 buttons.

Attendant consol is to be able to camp-on outside incoming calls to busy station, and in

case of no answer return to attendant console set.

2.7 Distribution cabling

COPPER CABLES are to be 4 unshielded twisted pairs of 24 AWG thermoplastic

insulated solid conductions and enclosed by a thermoplastic jacket. UTP cables shall have

a characteristic impedance of 100 ohm +/- 15% in the frequency range of 1 MHZ up to the

highest measured frequency and dc resistance of any conductor not exceed 9.38 ohm per

100 meter at or corrected to a temperature of 20C. Cables are to be cat 6.

THE FIBRE BACKBONE should be Plenum rated and provided with fan-out tubing.

Optical fibre cables shall have the following specifications:

Fibre size: 50/125m laser optimized multimode graded index or 62.5/125m multimode

graded index

Type: plenum rated non conductive optical fibre (ofnp)

Jacket: outer and subunit jackets-fcp (fluorocopolymer)

Min bandwidth: 950/500 MHz km at 850/1300 nm respectively.

Fibre cables shall be terminated on fibre optic patch panels to facilitate moves and

changes. The cable shall be shipped-terminated with ST type fibre connectors. This shall

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eliminate requirements for splicing the fibre cable, reduce installation costs and accelerate

the cable installation process.

PART 3- FIELD AND INSTALLATION WORK

3.1 INSTALLATIONS

A. Equipment installation on site is to be limited to the assembly, layout and fixation,

networking, and inter-wiring of various items of the ready made equipment. Acceptance of

works shall be restricted to the equipment and installations complying with the approved

submittals, approved shop drawings, and the agreement of the Engineer. Proper tools shall be

used for all installation works and the contractor shall carry out these works under the direct

supervision of qualified technicians who are well trained and having the relevant experience.

B. The contractor shall undertake the proper co-ordination between the installations of the

telephony system and those of all other systems. The layout shop-drawings shall reveal the

measures taken therein, and every fixation principle, and detail, shall be subject to the

approval of the Engineer.

C. Layout and fixations of equipment: cubicles and cabinets shall be laid out properly so as to

ensure the optimum utilisation of room areas and to reserve relevant spaces for maintenance

activities as well as future extensions of the system. The availability of adequate lighting

levels must also be ensured for all cubicles and cabinets; should it deem difficult to fulfil this

condition at some location, a mains outlet shall be provided nearby (less than 0.5m apart) so

as special lighting can be provided during maintenance. Fixations shall be as appropriate;

above metallic chassis at the level of false floor for bottom-sided cabling, above floor for top-

sided cabling, on wall for wall mounted units, under false floor or above false ceilings where

preferable for small distribution boxes. Batteries shall be mounted in the well ventilated

battery room where suitable mounting rack is to be provided in the appropriate location.

Operator console(s) shall be oriented in accordance with approved drawings, fulfilling

optimum operation conditions, and the display unit shall not be subject to direct sun light

through any windows thereat. After the layout of equipment is accomplished, all sorts of

cubicles, cabinets, and system components shall be labelled, and marked properly according

to an approved labelling designations and materials.

D. Raceways: telephone cables shall run in dedicated raceways apart from those where power

cables are laid. Moreover, telephone cables shall not share undivided trays or paths with any

other type of cables. The installation, and fixation shall be as per section 218 of the

specification, field and installation work, unless otherwise is indicated herein.

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E. Cable lying: before the start of cable works, the site shall be properly checked in order to

ensure that the raceways, whatsoever, are clean and dry. Cables shall be carefully unreeled

from drums and pulled-in/laid-on raceways according to the approved shop drawings and

work procedure. Specialised rolls and tools shall be used for cable works so as the cables shall

not be dragged on ground or surfaces. Cables are to run concealed above cable trays, and

through embedded pipes. Under false floors; if any, they may be arranged above ground,

subject to the approval of the Engineer. All pipe ends, whether occupied or empty, shall be

perfectly sealed against dirt, parasites, rates, and insects. Sealing material or elements shall be

according to every specific site condition, subject to the approval of the Engineer. After the

network is satisfactorily completed and tested, cables shall be tied to cable trays and labelled

as necessary. For any cable, the maximum distance between two successive ties shall not

exceed five meters except for vertical riser cables where the maximum distance shall be two

meters. Cables shall be labelled at every terminal location, every bent, before every

distribution unit, and at every fan-out. Moreover, vertical main cables, along the riser, shall

be labelled twice at each floor.

F. Cable wiring: cables shall be terminated at the distribution units where they shall be held,

fanned out properly, and wired to the terminal blocks or connecting strips. Wires shall be tied

into groups, in accordance with the order of pairs as per colour code, and corresponding to the

relevant connection modules (or strips). No soldering shall be needed, whereas the wiring of

distribution cables to the terminal strips of distribution boxes shall be performed by screw

drivers.

G. Jumper wires: are to extend neatly between connection modules, moderately stretched, and

guided by the specialised rings and hooks. No jumper shall be left loose or imperfectly

guided. The final arrangement of jumper wires within any cubicle shall allow for an easy

trace of any telephone line.

H. Earthing: every cable, distribution unit, and equipment shall be properly earthed as necessary.

Earthing system shall ensure safety conditions and shall eliminate the relevant noise effects.

Earthing cables shall be characterised by their green/yellow colour.

3.2. ON-SITE TESTS AND INSPECTION:

A. Tests plans: all tests shall be carried on according to detailed test procedures which is submitted

by the contractor and approved by the Engineer. The tests shall cover every aspect related to

the specification of the material and their operation; including, but not limited to, visual

inspections, insulation tests, measurements, and operation. All instruments to be used during

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the tests must have been calibrated and certified, by an authorised official laboratory, as

complying with the specification of their manufacturers.

B. On-Site cable tests: cables are to be tested to ensure that no damage has occurred to them

during transportation to site and/or during the course of pulling-in and lying.

A complete wire-to-wire continuity test is to be performed for every cable length. The

contractor shall have to replace any length where the electrical continuity is not verified for all

wires. Then, a 10% sample of all cable lengths shall be subject to an insulation test, according

to the manufacturer specifications. Sampling shall be random and as decided by the Engineer.

The contractor shall have to replace a cable should its insulation resistance is below the minim

specified.

C. On-Site system tests: equipment shall be tested to ensure that they are not damaged by

transportation, correctly assembled and connected, properly powered, and operating as

specified. The complete system tests shall include the following minimum checks:

- Visual inspection of every component

- Dielectric strength and insulation resistances.

- Equipment voltages and currents.

- System performance (including all operation features)

- Any other checks as necessary to ensure full compliance with the technical specifications.

It is to be demonstrated, to the satisfaction of the Engineer, that the installed equipment meets

the requirements of the specification and is ready for taking-over.

D. Experimental Period: after the on-site tests are satisfactorily completed in accordance with the

technical specifications and approved procedures, and before final acceptance which is leading

to provisional taking over; the contractor shall assume a one-month experimental period during

which the system performance shall by fully demonstrated under actual operation condition.

This demonstration is to confirm, to the satisfaction of the Engineer, that the system is free of

remarks and is ready for provisional taking over.

3.3 TRAINING, GUARANTEE, AND MISCELLANEOUS ITEMS

A. Training: during the experimental period, the contractor shall undertake to train the client's

operation and maintenance staff. This training course shall be carried on according to a

detailed program to be submitted by the contractor, at least two months before the

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commencement of the experimental period, and approved by the Engineer. The training course

shall fairly cover every aspect and detail concerned with the operation of the complete

telephony system, and shall provide the client's maintenance team with a first-level

maintenance skills.

B. Guarantee: during the experimental period, the system shall be operating under the contractor's

supervision and responsibility. After the satisfactory completion of this period, the system shall

be taken over by the client, as per contract conditions, whereby a two-year guarantee period

shall commence. All spare parts, which might be needed to replace existing components during

the guarantee period shall be born by the contractor unless the component to be replaced is

defected by abuse.

C. Equipment Keys: three copies of each equipment key, whatsoever, shall be handed over to the

client on the date of provisional taking over.

D. Directory: the directory shall be made according to the approved numbering plan. The

contractor is to hand over, on the date of provisional taking over, sufficient copies of the

directory, which shall be printed in a sheet form, covered in both sides by transparent plastic

protection, or in pocket-book form, properly bind, or mixture of both, subject to the agreement

with the Engineer.

E. Spare parts: the present scope of work includes the supply of a set of spare parts for the client's

convenience after guarantee period. This set shall include, but not limited to, the following

minimum items to fulfil two years operation requirements:

- System components and electronic boards as recommended by manufacture (including

extension boards)

- Distribution cables

- cabling and wiring accessories

- Jumper wires

- Telephone stations and outlets

- Circuit breakers, switches, fuses, etc. (as necessary for all system parts).

F. Tools: the contractor is to supply maintenance tools as well. These tools are to

include all items relevant to the first-level maintenance, such as:

Electronic-board extractors, power-converter extractors, and cleaning kit (as needed

according to the type of equipment.System test station (as recommended by manufacture)

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Digital multi meters.

Wiring and testing kit (test plugs, disconnecting plugs, etc.)

Complete mechanical kit.

Battery service kit, if batteries are not perfectly sealed (including density meter, level

meter, etc.)

G. As built documents: the contractor is to submit, on the date of provisional taking over, overall

and complete as-built drawings and specifications. The originals plus two copies of those

documents shall be handed over to the client. Every copy of these documents shall cover each

unit, sub-unit, connection, installation, wiring and detail, as previously approved on submittals

and shop drawings, and as amended (if any) by common agreement due to site conditions. The

as-built drawings shall also include a detailed description and designation of the wiring at the

equipment rack and inside every distribution unit so as to make each single telephone line,

whatsoever, easily addressed, located, and identified; to the satisfaction of the Engineer.

H. Operation and maintenance manuals: the contractor shall also submit, on the date of provisional

taking over, two manufacturer manuals; namely, the operation manual and the maintenance

manual. The operation manual shall be a user guide for the system operation, features, and

capabilities, including full description of the operator console(s) functions. The maintenance

manual shall be a full guide to the manufacturer recommendations concerning routine tests, and

regular checks as well as every necessary direction dealing with first-level maintenance and

fault diagnosis.

I. After-Sale service: a maintenance contract may be concluded after the guarantee period upon

the request of the client. Therefore, the contractor must demonstrate the availability of

complete after-sale service. This service is to be guaranteed by a recognised local agent.

END OF SECTION 16745

SECTION 16770

PUBLIC ADDRESS SYSTEM

Replace the “Mixer Amplifier” by the following:

Audio Matrix:

Audio matrix is to be CPU controlled and to include microphone interface cards,

zone output cards and relay cards. Audio Matrix is to be 19 inch rack mountable.

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Audio Matrix is to have the foll owing performance:

Number of input : 8

Number of output : 8

Frequency Response : 20-20 KHZ (+/- 3dB) (Microphone)

20-7.5 KHZ (Pre-recorded message)

Signal to noise ratio : > 80 dB.

Total Harmonic distortion : less than 0.05% at 1 KHZ.

Output level : 0 dBm/0.775 V (600 Ohm)

Input Sensitivity : 0 dB,-6 dB, -20 dB, -40 dB and -60 dB.

(0 dB is referenced to 0.775 VRMS)

Output Level : Line level 0.775 V, 600 Ohm

Maximum before dip 12.3 V (+ 24 dB)

Power Supply : 220 Volts, 60 HZ.

END OF SECTION 16770

SECTION 16780

SECURITY SYSTEM

A. Remove CCTV System (option - 1), Option (2) and part of CCTV from 16780 Spec and

apply the following IP CCTV specs.

SURVEILLANCE CLOSED CIRCUIT TELEVISION SYSTEM (IP CCTV)

A. This section of the specifications requires the complete installation of the Closed

Circuit Television System (IPCCTV) as indicated on the drawings and/or specified

herein. Provide all labor, materials, equipment and supervision to install, check

out, adjust and calibrate total system. All pictures shall be clear and free of snow,

ground loops, or other conditions that will degrade the picture.

The work shall consist of the installation of a complete closed circuit television

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system (DIGITAL IP VIDEO CCTV) consisting essentially of, but not limited to,

the following major components:

1. Remote cameras, including lens, housings, motion operators, and mounting

devices

2. Monitors with mounting devices for installation where indicated

3. Signal conditioning equipment where required for rack mounting

4. Network Video Recorder (NVR)

5. Equipment mounting racks and cabinets

6. System wiring and software

7. RAID storage system

B. System Operation

1. The basic operation of this system shall be accomplished through the use of

a microprocessor-based NVR. All camera and control signals shall use

TCP/IP to interconnect with the NVR unit located in the central control

equipment room, to be distributed among all remote monitor/control

locations. See one-line diagram. One control keyboard will be provided in

each of the Central Control room.

2. The CCTV system shall be software based and shall be closely integrated

with the security management software have several remote monitoring and

control locations as shown on the one-line diagram and as shown on

drawings. The TCP/IP LAN shall allow managing and browsing of the

DVR from any point on the LAN

C. CAMERAS

1. Fixed mini done digital IP Network Camera.

a. Camera shall have the following minimum specification

1.) Discreet and compact desin

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2.) Protect against tampering

3.) Varifocal lens with DC –iris

4.) Power over Ethernet (IEEE802.3af)

5.) Progressive scan for sharper images

6.) Wide Dynamic Range

7.) Multiple H.264 streams and simultaneous Motion JPEG

streams

8.) 30 frames per seconds in VGA 640x480 resolution

9.) Two-way audio support including built–in microphone and

audio detection alarm

10.) One alarm input and one output for connecting external

devices

11.) Active Tampering Alarm

2. Fixed IP Camera

a. Camera should have the following minimum specification

1.) Up to 30 frames per seconds in all resolution ranging up to

640x480

2.) Varifocal lens with DC –iris

3.) Progressive scan for sharper images

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4.) Simultaneous Motion JPEG and MPEG-4

5.) Power over Ethernet (IEEE802.3af)

6.) Replaceable CS mount lens

7.) One alarm input and one output for connecting external

devices

D. CAMERA HOUSING AND SUPPORTS

1. All cameras are to be installed in housings. Housings and support brackets

shall be compatible with CCTV camera specified to be installed within

housings and/or mounted on brackets. Housings shall be provided with all

cable entrance facilities for camera control and shall be adaptable to

mounting devices used with cameras. If fish eye lenses are required to be

used on cameras the housing shall not block view of lens.

2. Weather proof- tamperproof housing shall be constructed of aluminum and

finished with weatherproof heat- reflecting paint. Housing shall be

internally insulated. Hinged cover shall be secured in place by tamperproof

latch that can be locked. All camera housing installed outside of

conditioned spaces such as recreation yards, or outside shall be weather

proof. Housing shall be provided with the following features:

a. Bottom air intake and filter.

b. Thermostatically controlled blower, 10 Watts at 24 VAC,

continuous duty

c. Strip type heaters mounted on insulated radiator panels

thermostatically controlled, 50 Watts at 24 VAC continuous duty.

d. Sunshield.

e. Automatic or manual operated defroster.

f. Transformer to provide 24 volt from 230 volt circuits connected to

emergency power system.

g. Control of blower and heater shall be automatic when camera power

circuit is energized. Camera housing shall be as required by camera

provided, with accessories specified.

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3. Camera mounting brackets shall be heavy-duty; the product shall be for

wall mounting and shall be suitable for outdoor use.

a. Wall mounting brackets shall be suitable for camera and enclosures

specified and shall be rated for support of not less than the total

weight of the camera, enclosure with all accessories and motion

control. Bracket extension from wall shall not exceed 610 mm.

Brackets with extension of 610 mm or larger shall be provided with

support strut. All screws and bolts shall be stainless steel.

4. Interior camera enclosure shall be provided for interior cameras as indicated

on the plans. Ceiling- mounted "wedge" enclosure shall have hinged bottom

secured with tamper resistant screws, the housing shall be constructed of 14

gauge steel (upper section of 5052 H32 Aluminum and lower section of UL

approved vacuum formed ABS plastic in non inmate areas only). All wall

mounted cameras shall be provided with compatible enclosures. All

cameras shall be placed in a location as to not be blocked by equipment

installed by other trades. All camera housings and support for interior use

shall be heavy duty and impact resistant.

5. Mini Dome cameras are completely integrated with housing.

E. TELEVISION MONITORS (LCD)

1. The flat panel LCD monitor shall have performance-enhancing features

such as picture-in-picture, menu controls to adjust video features, and

automatic detection of a PAL or an NTSC signal.

2. The flat panel LCD monitor must have the following inputs:

a. One analog RGB input.

b. One looping Y/C (S-video) input.

c. Two looping composite video inputs.

d. Two looping audio inputs.

e. One digital DVI input.

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f. One digital HDMI input.

3. The flat panel LCD monitor shall provide a front panel that allows the user

to adjust image quality, brightness, size, position, and geometry for optimal

viewing.

4. The flat panel LCD monitor shall provide a front panel control lockout

feature so that only authorized users can adjust menu settings.

5. The flat panel LCD monitor shall avoid luminance degradation by:

a. Using long-life fluorescent backlights.

b. Each fluorescent backlight shall have a rated life of at least 45,000

hours.

6. The flat panel LCD monitor shall automatically adapt to the input resolution

of the incoming video signal:

a. [UML-172-90] [UML-192-90]: shall adapt to a maximum resolution

of 1280 x 1024 pixels, 500 TVL typical.

b. UML-202-90: shall adapt to a maximum resolution of 1600 x 1200

pixels, 500 TVL typical.

7. The flat panel LCD monitor shall automatically adapt to fluctuating

electricity loads.

F. VIDEO RECORDER & NETWORKED SERVER SYSTEM:

1. NVR shall be selected to be totally integrated with the security management

software. The NVR software shall be an integrated module of the security

management software. NVR shall be open architectural, support

LAN/WAN TCP/IP with adjustable frame rate for each camera from 1 to 30

fps per camera as required. NVR software shall be windows 2000 based.

The system shall support the following features:

a. Auto Launch of Video on Specified Alarm Events

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b. Real–time Linkage of Video to Alarms or Events Generated by

Third Party Field Devices

c. Variable Frame Rates for each Camera

d. Route Video from Multiple Video Recorders to a Central Archive

Server

e. Auto Launch of Video on Specified Alarm Events

2. Playback:

a. 16 different recorded video sequences should be played back

simultaneously. Each video stream could be decompressed and

played back at the required speed. All video sequences should be

time-synchronized on playback.

3. Storage & Archival

a. Each camera should be recorded for any length of time on a circular

basis. Outdated video should be archived or overwritten or further

compressed and stored. It should allow for intelligently further

compression of the data without significantly reducing video

quality. Records of up to one week on the building unit and one

month on the RAID5 server in central control room should be kept

on the hard disk for immediate accessibility. NVR shall allow

archiving on net work central archive server.

b. Capacity of the NVR hard disk shall be calculated to store all

cameras connected for continuous recording at 6 FPS, 2 CFIS, 30

days. If the internal hard disk is not sufficient then RAID 5 drives

shall be added externally.

4. Privileges & Security

a. There should be 3 levels of privileges in the CCTV system;

administrator, manager & user. Administrators should have access

to all system resources including configuration. All actions should

be logged and may only be viewed by administrators.

5. Video Motion Detection (VMD)

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a. A sophisticated motion detection module should be used that could

monitor up to 16 camera inputs in real time. Any number of regions

may be selected for motion trigger in any one view. The motion

detector should have three sensitivity levels. Different sensitivity

levels should allow the user to select the required level of motion to

generate triggers. Sensitivity level settings should also be used to

ignore „usual‟ motion such as movement in the leaves, rain etc.

Changes in light conditions should not affect the motion detection.

The robust motion detection algorithm should be only sensitive to

movement reducing false triggers.

6. Networkability

a. NVR to be fully networkable. Any number of units should be

networked over private Ethernet TCP/IP serving a large number of

camera groups in a very flexible way. Any unit on the network may

be remotely accessed and configured using the CCTV software.

Compressed images should be scaled & served on the network,

reducing the demand on network bandwidth.

7. Image Export & Authentication

a. Recorded video should be searched by date, time & events. Clips of

interest from different cameras should be exported onto CD or

DVD. Exported images should be played back on any Windows

machine (98, 98SE, NT or 2000) without installing any software.

All recorded and exported images should be authenticated. The

DVR cum Networked Server should have high security

authentication enabling tampered images being immediately

identified.

8. Time Zones

a. Each time zone should divide the day into 96x15 minute slots or

similar. In each slot, settings like record rate, quality, actions to be

initiated by an ordinary alarm and/or VMD may be defined

individually. Once defined and named, a Time Zone may be used

for any number of cameras on any number of units.

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9. PTZ Software & Camera Patrols

a. PTZ software should be provided & should be compatible with the

PTZ cameras & DVR cum Networked Server. Scheduled camera

patrols should not require user intervention. Patrols should not affect

recording & playback.

10. The camera image shall be achieved from each DVR (in each building) to

the RAID5 server in the central control room, the achieving can be

scheduled for all DVR to reduce the load on the LAN.

11. Remote Manager

a. Remote Manager Software solution should connect to the DVR on a

network. It should run on Windows 2000 platform. Review Manager

should search and find the DVR cum Network Server on the

network automatically, and connect to and display any camera from

the server. To preserve valuable network bandwidth, Remote

Manager should receive the images intelligently scaled. The

innovative image scaling should allow the Remote Manager to

achieve video display speeds of up to 25 full screen images per

second (ips) over 100Mbps Ethernet.

12. CCTV INTEGRATION

a. The whole CCTV system shall be managed from the control

locations indicated on Drawings, & shall be integrated with all other

security system.

G. CAMERA LENSES

1. Camera lenses shall be compatible with camera construction and iris

control circuit. The lenses shall be compatible with remote control

devices as specified herein. The lenses shall be supplied by the camera

manufacturer.

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2. All lenses shall be auto iris type driven by the camera iris control

circuit. Additionally, all exterior lenses shall be equipped with spot

filters giving the lens a minimum effective aperture of f/360.

3. The Systems Integrator must provide lens to cover area required by the

specifications and drawings.

END OF SECTION 16780