CITY OF MIAMI CAPITAL IMPROVEMENTS PROGRAM FIRE STATION … · CITY OF MIAMI CAPITAL IMPROVEMENTS...

CITY OF MIAMI CAPITAL IMPROVEMENTS PROGRAM FIRE STATION No. 13

PROJECT NUMBER B-60453A 3.05 IDENTIFICATION A. General: All equipment, valves, piping mains, switches, starters, and control components shall be identified by

the Contractor as noted herein. B. Manufacturer's Nameplates: Each component of equipment shall have Manufacturer's name, address, model

number and rating on a plate securely affixed in a conspicuous place. Nameplate of a distributing agent will not be acceptable in lieu of Manufacturer's nameplate. Nameplate shall be die stamped, engraved, or etched to guarantee long term legibility.

C. Nameplates for Mechanical and Associated Electric Equipment: 1. Nomenclature and equipment numbers shall correspond to those used in preparation of operating instructions, and shall identify equipment and its function contents. 2. Nameplates shall be black laminated plastic with white engraved lettering, attached to equipment with

screws or rivets. 3. Nameplates shall be a minimum 1 inch by 2-1/2 inch for related electrical components such as pilot

lights, equipment starters, switches, pushbutton, etc. 4. Nameplates shall be minimum 2 inch by 4 inch for major equipment such as air handling units, pumps,

water heaters, etc. D. Valve Tags: Contractor shall provide all valves with 1-1/2 inch brass tags, 0.044 inch thick, fastened with brass

chains on S-hook to each valve. Tags shall have 1/4 inch high depressed back filled letters denoting type of service in accordance with symbol list included in paragraph 3.07 (g) for pipe, and a 1/2 inch high black filled sequential number properly coded to valve chart.

E. Piping: 1. All interior exposed piping shall be fully painted as per "PIPE IDENTIFICATION CHART" shown in

paragraph (G) on page 13 of this Section. 2. All interior and exterior piping, concealed and exposed, shall be identified showing contents and

"direction of flow" arrow, using stencil with black oil paint or preformed snap-on markers, using ANSI background and letter colors.

3. Stencils shall be located at the following locations: a. Behind each assess door. b. At each horizontal and vertical change in direction. c. Adjacent to each valve and fitting, (except on plumbing fixtures and equipment). d. At each branch and riser takeoff. e. At each pipe passage through wall, floor and ceiling construction. f. On all aboveground horizontal pipe runs and spaced every 40 feet. 4. Size of stencil letter shall meet ANSI A13.1 requirements for the pipe or covering outside diameter as

follows: Outside Diameter of Pipe or Covering Size of Letters 3/4" - 1-1/4" 1/2" 1-1/2" - 2" 3/4" 2-1/2" - 6" 1-1/4"

STANDARD MECHANICAL REQUIREMENTS 15010 Rizo Carreño & Partners, Inc. RC&P Project # 08012.00 7 of 10


PROJECT NUMBER B-60453A 5. For pipe or covering less than 3/4 inch diameter, a permanently legible tag is acceptable in lieu of

stencils. F. Identification Charts and Diagrams 1. Contractor shall provide a valve chart for inclusion in the "Operating and Maintenance Manual". Chart

shall include valve number, service, function and location. Format shall be submitted for approval by A/E.

2. Contractor shall provide framed wall mounted charts showing complete list of applicable piping identification symbols, descriptions and colors for mounting where directed by the MDFRD Maintenance Engineering.

G. Piping Identification Chart Marker Pipe Background Symbol Color Color DCW Domestic Cold Water Light Green Green DHWS Domestic Hot Water Supply Orange Orange SW Sanitary Waste Brown White CD Condensate Drain Black White VTR Vent Thru Roof Beige White F Fire Protection Red Red SW Safewaste Beige White FS Fire-Sprinkler Red White PRV or P & T Blow-Off Water Relief Yellow Black SAN Sanitary Sewer Green White 3.08 WELDING SAFETY IN BUILDING AND INSTALLING UNDERGROUND PIPING A. All tradesmen operating on property whose work entails open flame cutting, welding or similar hot work shall not

proceed with such operations until the safety of the work area has been approved by the MDFRD and a "Hot Work Permit" obtained. This directive is specifically aimed at reducing the potential hazards attendant to the presence of hydrocarbons in, on, or about the ground water table, when exposed by open trench or pit excavation. The provisions of this directive shall apply to any operation involving open flames or producing heat and /or sparks. The following steps shall be followed:

1. The Permit shall be applied for by the General Contractor, who is designated by the MDFRD supervisor, per NFPA 51B, through MDFRD Fire Department. Authorizations will not be issued for more than two successive days. Hot work in excess of this period shall be re-authorized with a new Permit.

2. The authorization shall be signed by the Field Representative of the A/E, who is designated by MDFRD manager, per NFPA 51B, and is responsible for checking of the "Required Precautions Checklist." The manager shall notify and coordinate with adjacent tenants and MDFRD Operations if fumes or other effects of the operation will impact airport operations, prior to authorizing. The manager shall also verify, collect, and file the final sign-off by the Firewatch person.

3. A copy of the executed Hot Work Permit shall be faxed by the A/E to the MDFRD Branch of the Fire Department and to MDFRD Engineering, prior to the start of any Hot Work.

4. A copy of the Permit shall be exhibited at the work site attached to the Hot Work equipment. 5. A Firewatch person shall be assigned by the Supervisor, who shall be responsible for briefing on

firewatch duties. The Firewatch person may be the helper of the Hot Worker, and may be responsible for



PROJECT NUMBER B-60453A

additional non-conflicting duties as appropriate. Any additional duties must be in the immediate vicinity and in view of the Hot Work.

3.09 MOTORS A. Motors: All motors shall be NEMA standard design, American made, sound rated ball bearing type and wound

for specified voltage. Load to which each is connected must not cause running current to exceed the nameplate amperage. Equip all motors with pressure gun grease fittings.

B. Motors 3/4 HP and larger (unless otherwise noted): 480 volt, 60 cycle, 3 phase. Motors 1/2 HP or smaller

(unless otherwise noted): 120 volt, 60 cycle, 1 phase. C. Provide slide rails where motors are used with drives requiring adjustment. 3.10 STARTERS A. All starters for motors of 1/2 HP or less (unless otherwise noted): Across-the-line type with "on-off" push button,

with NEMA-1 enclosure. B. All starters for 3/4 HP and up (unless otherwise noted): Provide with control circuit transformer, fused CLF

primary, overload protection in three phases and "hand-off-auto" switch in covers. NEMA-1 enclosures unless otherwise noted. Control transformers shall have a minimum capacity of 100 VA. provide a minimum of two NO and two NC auxiliary contacts.

C. All starters exposed to weather shall have type 3R enclosure. 3.11 IMMEDIATELY AFTER NOTICE TO PROCEED AND PRIOR TO START OF CONSTRUCTION A. The Mechanical Contractor shall meet with the A/E Consultant and the MDFRD Project Manager to discuss the

following: 1. Outline the scope of the project. 2. Identify all of the interface problems with existing system such as, existing lift station at the site, and the

impact each will have on the uninterrupted operation of the existing systems. 3. Establish a tentative schedule of each of the interface problems and the responsibilities of the Contractor

to minimize the operation and maintenance problems of the existing systems. 4. Obtain utilities clearance from FPL, Wiltel, MDFRD Information System, MDFRD Irrigation, MDFRD

Engineering and MDFRD Utilities Coordinator. This requirement applies to everyone who digs or drills on MDFRD properties which might contain utilities vital operations.

3.12 CONSTRUCTION PHASE A. At least one week prior to working on each interface problem with existing system, the Contractor shall meet with

the MDFRD Maintenance Department to plan the step-by-step procedure of how the work will be handled to avoid needless operational and maintenance problems with the existing systems. Approval of the work procedure must be given by the Maintenance Department before the work proceeds.





B. Requests for utilities clearances shall be obtained not less than five working days prior to drilling or digging, and shall be coordinated with MDFRD Engineering. The Contractor shall procure the necessary Underground Utilities Clearance forms from MDFRD Engineering.

3.13 AFTER SYSTEM IS IN OPERATION AND PRIOR TO FINAL ACCEPTANCE A. After all balancing and testing has been completed, it shall be the responsibility of the Contractor to operate the

ystems for a period of eight hours, in the presence of the Owner's representatives for the purpose of instruction in operation and maintenance. The As-built drawings and brochures of equipment shall be delivered to MDFRD at least one Week before the instructional period is scheduled. Notify the Architect/Engineer one week in advance for his presence at the beginning of the instructional period to assure proper instruction and training.

B. Additional Owner Instructional Period: Refer to paragraph 1.07 Section 15010. 3.14 DATE OF BEGINNING OF GUARANTEE PERIOD A. The guarantee period shall begin from the date of the Certificate of Occupancy. Refer to paragraph 1.08, Section

15010. B. All or portions of a project may have a date of beginning of guarantee prior to final acceptance due to a need by

MDFRD to start beneficial use.

END OF SECTION


PROJECT NUMBER B-60453A SECTION 15050 – BASIC MECHANICAL MATERIALS AND METHODS PART 1 GENERAL 1.01 SUBMITTALS

A. Product Data: For dielectric fittings, flexible connectors, mechanical sleeve seals, and identification materials and devices.

B. Shop Drawings: Detail fabrication and installation for metal and wood supports and anchorage for mechanical materials and equipment. Do not fabricate or ship any equipment until submittals have been reviewed and approved by the Architect-Engineer.

C. Coordination Drawings: For access panel and door locations.

D. Coordination Drawings: The mechanical drawings are diagrammatic and shall be followed as closely as possible. The contractor shall develop detailed coordination drawings showing clearances with building structure, ceilings height and overall coordination with all other trades. Drawing shall detail major elements, components, and systems of mechanical equipment and materials in relationship with other systems, installations, and building components. Show space requirements for installation and access. Indicate if sequence and coordination of installations are important to efficient flow of the Work. Whenever there is a conflict, the contractor shall show the proposed solution on the coordination drawings. Ductwork piping offsets, rises/drops, re-routing and re-dimensioning shall be shown on the coordination drawings for review and approval by the Engineer. Any changes in the field resulting from not preparing fully coordinated drawings shall be corrected at no extra cost to the Owner. Contractor shall perform and include the following as required: 1. Contractor shall make sure that no electrical conduits are installed prior to the ducts being hung, where

the conduits may interfere with the required duct clearances in the ceiling spaces. Gravity type plumbing piping takes precedence over other trades. Plumbing pressure piping may be offset to clear ductwork as required. Ductwork may be run in joist spaces where needed, provided that smooth transitions are made at all turns.

2. Planned piping layout, including valve and specialty locations and valve-stem movement. 3. Clearances for installing and maintaining insulation. 4. Floor plans, elevations, and details to indicate penetrations in floors, walls, and ceilings and their

relationship to other penetrations and installations. 5. Reflected ceiling plans to coordinate and integrate installation of air outlets and inlets, light fixtures,

communication system components, sprinklers, and other ceiling-mounted items.

1.02 QUALITY ASSURANCE

A. Comply with ASME A13.1 for lettering size, length of color field, colors, and viewing angles of identification devices.

B. Equipment Selection: Equipment of higher electrical characteristics, physical dimensions, capacities, and ratings may be furnished provided such proposed equipment is approved in writing and connecting mechanical and electrical services, circuit breakers, conduit, motors, bases, and equipment spaces are increased. Additional costs shall be approved in advance by appropriate Contract Modification for these increases. If minimum energy ratings or efficiencies of equipment are specified, equipment must meet design and commissioning requirements.

BASIC MECHANICAL MATERIALS AND METHODS 15050 Rizo Carreño & Partners, Inc. RC&P Project # 08012.00 1 of 12


PROJECT NUMBER B-60453A 1.03 DELIVERY, STORAGE, AND HANDLING

A. Deliver pipes and tubes with factory-applied end caps. Maintain end caps through shipping, storage, and handling to prevent pipe end damage and prevent entrance of dirt, debris, and moisture.

B. Protect stored pipes and tubes from moisture and dirt. Elevate above grade. Do not exceed structural capacity of floor, if stored inside.

C. Protect flanges, fittings, and piping specialties from moisture and dirt.

D. Store plastic pipes protected from direct sunlight. Support to prevent sagging and bending.

1.04 SEQUENCING AND SCHEDULING

A. Coordinate mechanical equipment installation with other building components.

B. Arrange for pipe spaces, chases, slots, and openings in building structure during progress of construction to allow for mechanical installations.

C. Coordinate installation of required supporting devices and set sleeves in poured-in-place concrete and other structural components, as they are constructed.

D. Sequence, coordinate, and integrate installations of mechanical materials and equipment for efficient flow of the Work. Coordinate installation of large equipment requiring positioning before closing in building.

E. Coordinate connection of mechanical systems with exterior underground and overhead utilities and services. Comply with requirements of governing regulations, franchised service companies, and controlling agencies.

F. Coordinate requirements for access panels and doors if mechanical items requiring access are concealed behind finished surfaces. Access panels and doors are specified in Division 8 Section "Access Doors."

G. The Mechanical Drawings are diagrammatic and shall be followed as closely as actual construction of the building and the work of other trade contractors will permit. All changes from drawings necessary to make the work of each Contractor conform to the building construction and the work of other trade contractors shall be done at the appropriate Trade Contractor’s expense.

H. Mechanical or electrical work installed before coordinating with other trades or installed so as to cause interference with work of other trades, or cause unacceptable headroom clearance problems shall be corrected without extra change.

I. Coordinate installation of identifying devices after completing covering and painting, if devices are applied to surfaces. Install identifying devices before installing acoustical ceilings and similar concealment.



PROJECT NUMBER B-60453A PART 2 PRODUCTS

2.01 MANUFACTURERS

A. Retain above for nonproprietary or below for semiproprietary Specification. Refer to Division 1 Section "Materials and Equipment."

B. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Dielectric Unions: a. Capitol Manufacturing Co. b. Watts Industries, Inc.; Water Products Div. c. Zurn Industries, Inc.; Wilkins Div.

2. Dielectric Flanges: a. Capitol Manufacturing Co. b. Central Plastics Co. c. Watts Industries, Inc.; Water Products Div.

3. Dielectric-Flange Insulating Kits: a. Calpico, Inc. b. Central Plastics Co.

4. Dielectric Couplings: a. Calpico, Inc. b. Lochinvar Corp.

5. Dielectric Nipples: a. Grinnell Corp.; Grinnell Supply Sales Co. b. Perfection Corp. c. Victaulic Co. of America.

6. Rubber, Flexible Connectors: a. Metraflex Co. b. Red Valve Co., Inc. c. Uniflex, Inc.

7. Mechanical Sleeve Seals: a. Calpico, Inc. b. Metraflex Co. c. Thunderline/Link-Seal.

2.02 PIPE AND PIPE FITTINGS

A. Refer to individual Division 15 piping Sections for pipe and fitting materials and joining methods.

B. Pipe Threads: ASME B1.20.1 for factory-threaded pipe and pipe fittings.



PROJECT NUMBER B-60453A 2.03 JOINING MATERIALS

A. Refer to individual Division 15 piping Sections for joining.

B. Pipe-Flange Gasket Materials: Suitable for chemical and thermal conditions of piping system contents. 1. ASME B16.21, nonmetallic, flat, asbestos-free, 1/8-inch maximum thickness, unless thickness or

specific material is indicated. a. Full-Face Type: For flat-face, Class 125, cast-iron and cast-bronze flanges. b. Narrow-Face Type: For raised-face, Class 250, cast-iron and steel flanges.

2. AWWA C110, rubber, flat face, 1/8 inch thick, unless otherwise indicated; and full-face or ring type, unless otherwise indicated.

C. Flange Bolts and Nuts: ASME B18.2.1, carbon steel, unless otherwise indicated.

D. Solder Filler Metals: ASTM B 32. 1. Alloy Sn95 or Alloy Sn94: Approximately 95 percent tin and 5 percent silver, with 0.10 percent lead

content. 2. Alloy E: Approximately 95 percent tin and 5 percent copper, with 0.10 percent maximum lead content. 3. Alloy HA: Tin-antimony-silver-copper zinc, with 0.10 percent maximum lead content. 4. Alloy HB: Tin-antimony-silver-copper nickel, with 0.10 percent maximum lead content. 5. Alloy Sb5: 95 percent tin and 5 percent antimony, with 0.20 percent maximum lead content.

E. Brazing Filler Metals: AWS A5.8. 1. BCuP Series: Copper-phosphorus alloys. 2. BAg1: Silver alloy.

F. Welding Filler Metals: Comply with AWS D10.12 for welding materials appropriate for wall thickness and chemical analysis of steel pipe being welded.

G. Solvent Cements: Manufacturer's standard solvent cements for the following: 1. ABS Piping: ASTM D 2235. 2. CPVC Piping: ASTM F 493. 3. PVC Piping: ASTM D 2564. Include primer according to ASTM F 656. 4. PVC to ABS Piping Transition: ASTM D 3138.

H. Plastic Pipe Seals: ASTM F 477, elastomeric gasket.

I. Flanged, Ductile-Iron Pipe Gasket, Bolts, and Nuts: AWWA C110, rubber gasket, carbon-steel bolts and nuts.

J. Couplings: Iron-body sleeve assembly, fabricated to match OD of plain-end, pressure pipes. 1. Sleeve: ASTM A 126, Class B, gray iron. 2. Followers: ASTM A 47 malleable iron or ASTM A 536 ductile iron. 3. Gaskets: Rubber. 4. Bolts and Nuts: AWWA C111. 5. Finish: Enamel paint.



PROJECT NUMBER B-60453A 2.04 DIELECTRIC FITTINGS

A. General: Assembly or fitting with insulating material isolating joined dissimilar metals, to prevent galvanic action and stop corrosion.

B. Description: Combination of copper alloy and ferrous; threaded, solder, plain, and weld-neck end types and matching piping system materials.

C. Insulating Material: Suitable for system fluid, pressure, and temperature.

D. Dielectric Unions: Factory-fabricated, union assembly, for 250-psig minimum working pressure at 180 deg F.

E. Dielectric Flanges: Factory-fabricated, companion-flange assembly, for 150- or 300-psig minimum working pressure as required to suit system pressures.

F. Dielectric-Flange Insulation Kits: Field-assembled, companion-flange assembly, full-face or ring type. Components include neoprene or phenolic gasket, phenolic or polyethylene bolt sleeves, phenolic washers, and steel backing washers. 1. Provide separate companion flanges and steel bolts and nuts for 150- or 300-psig minimum working

pressure as required to suit system pressures.

G. Dielectric Couplings: Galvanized-steel coupling with inert and noncorrosive, thermoplastic lining; threaded ends; and 300-psig minimum working pressure at 225 deg F.

H. Dielectric Nipples: Electroplated steel nipple with inert and noncorrosive, thermoplastic lining; plain, threaded, or grooved ends; and 300-psig minimum working pressure at 225 deg F.

2.05 PIPING SPECIALTIES

A Sleeves: The following materials are for wall, floor, slab, and roof penetrations: 1. Steel Sheet Metal: 0.0239-inch minimum thickness, galvanized, round tube closed with welded

longitudinal joint. 2. Steel Pipe: ASTM A 53, Type E, Grade A, Schedule 40, galvanized, plain ends. 3. Cast Iron: Cast or fabricated "wall pipe" equivalent to ductile-iron pressure pipe, with plain ends and

integral waterstop, unless otherwise indicated.

B. Sleeve in subparagraph below is without seepage holes and cannot be used instead of a floor drain.

C. Escutcheons: Manufactured wall, ceiling, and floor plates; deep-pattern type if required to conceal protruding fittings and sleeves. 1. ID: Closely fit around pipe, tube, and insulation of insulated piping. 2. OD: Completely cover opening. 3. Cast Brass: One piece, with set screw.

a. Finish: Polished chrome-plate.

4. Cast Brass: Split casting, with concealed hinge and set screw. a. Finish: Polished chrome-plate.

5. Stamped Steel: One piece, with set screw and chrome-plated finish.




6. Stamped Steel: Split plate, with exposed-rivet hinge, spring clips, and chrome-plated finish. 7. Cast-Iron Floor Plate: One-piece casting.

2.06 IDENTIFYING DEVICES AND LABELS

A. General: Manufacturer’s standard products of categories and types required for each application as referenced in other types required for each application as referenced in other Division 15 sections. If more than one type is specified for application, selection is Installer’s option, but provide one selection for each product category.

B. Equipment Nameplates: Metal nameplate with operational data engraved or stamped; permanently fastened to equipment.

1. Data: Manufacturer, product name, model number, serial number, capacity, operating and power characteristics, labels of tested compliances and similar essential data.

2. Location: Accessible and visible location.

C. Stencils: Standard stencils, prepared for required applications with letter sizes complying with recommendations of ASME A13.1 for piping and similar applications, but not less than 1-1/4-inch high letters for ductwork and not less than ¾-inch high letters for access door signs and similar operational instructions. 1. Material: Brass. 2. Stencil Paint: Standard exterior-type stenciling enamel; black, unless otherwise indicated; either

brushing grade or pressurized spray-can form and grade. 3. Identification Paint: Standard identification enamel of colors indicated or, if not other indicated for

piping systems, comply with ASME A13.1 for colors.

D. Snap-on Plastic Pipe Markers: Manufacturer’s standard preprinted, semirigid, snap on, color-coded, complying with ASME A13.1.

E. Pressure-Sensitive Pipe Markers: Manufacturer’s standard preprinted, permanent adhesive, color-coded, pressure-sensitive vinyl, complying with ASME A13.1.

F. Engraved Plastic-Laminate Signs: ASTM D709, Type I, cellulose, paper-base, phenolic-resin—laminate engraving stock; Grade ES-2, black surface, black phenolic core, with white melamine subcore, unless otherwise indicated. 1. Fabricate in sized required for message. 2. Engraved with engraver’s standard letter style, of sizes and with wording to match equipment

identification. 3. Punch for mechanical fastening. 4. Thickness: 1/16 inch, for units up to 20 sq. in. or 8 inches long; 1/8 inch for larger units. 5. Fasteners: Self-tapping stainless-steel screws or contact-type permanent adhesive.

G. Plastic Equipment Markers: Color-coded, laminated plastic. Comply with the following color code: 1. Green: Cooling equipment and components. 2. Yellow: Heating equipment and components. 3. Yellow/Green: Combination cooling and heating equipment and components. 4. Brown: Energy reclamation equipment and components. 5. Blue: Equipment and components that do not meet any criteria above. 6. Nomenclature: Include the following, matching terminology on schedules as closely as possible:




a. Name and plan number. b. Equipment service. c. Design capacity. d. Other design parameters such as pressure drop, entering, leaving conditions and rpm.

7. Size: Approximate 2-1/2 by 4 inches for control devices, dampers and valves; and 4-1/2 by 6 inches for

equipment.

H. Lettering and Graphics: Coordinate names, abbreviations and other designations used in mechanical identification, with corresponding designations indicated. Use numbers, lettering and wording indicated for proper identification and operation/maintenance of mechanical systems and equipment.

1. Multiple Systems: If multiple systems of same generic name are indicated, provide identification that indicates individual system number and service such as “Boiler No. 3,” “Air Supply No. 1H,” or “Standpipe F12.”

I. Piping Color Coding: Description and color of pipe markers and painting shall be as follows:

Symbol Description Pipe Color Marker Letters Background Color CD Condensate Drain Black Green White DCW Domestic Cold Water Light Green White DHWS Domestic Hot Water Supply Orange Orange White F Fire Protection Red Red White SW Sanitary Waste Brown White Black VTR Vent thru Roof Beige Green White

2.07 GROUT

A. Nonshrink, Nonmetallic Grout: ASTM C 1107, Grade B. 1. Characteristics: Post-hardening, volume-adjusting, dry, hydraulic-cement grout, nonstaining,

noncorrosive, nongaseous and recommended for interior and exterior applications. 2. Design Mix: 5000-psig, 28-day compressive strength. 3. Packaging: Premixed and factory packaged.

PART 3 EXECUTION

3.01 PIPING SYSTEMS - COMMON REQUIREMENTS

A. General: Install piping as described below, unless piping Sections specify otherwise. Individual Division 15 piping Sections specify unique piping installation requirements.

B. General Locations and Arrangements: Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems. Indicated locations and arrangements were used to size pipe and calculate friction loss, expansion, pump sizing, and other design considerations. Install piping as indicated, unless deviations to layout are approved on Coordination Drawings.

C. Install piping at indicated slope.



PROJECT NUMBER B-60453A D. Install components with pressure rating equal to or greater than system operating pressure.

E. Install piping in concealed interior and exterior locations, except in equipment rooms and service areas.

F. Install piping free of sags and bends.

G. Install exposed interior and exterior piping at right angles or parallel to building walls. Diagonal runs are prohibited, unless otherwise indicated.

H. Install piping tight to slabs, beams, joists, columns, walls, and other building elements. Allow sufficient space above removable ceiling panels to allow for ceiling panel removal.

I. Install piping to allow application of insulation plus 1-inch clearance around insulation.

J. Locate groups of pipes parallel to each other, spaced to permit valve servicing.

K. Install fittings for changes in direction and branch connections.

L. Install couplings according to manufacturer's written instructions.

M. Install pipe escutcheons for pipe penetrations of concrete and masonry walls, wall board partitions, and suspended ceilings according to the following: 1. Chrome-Plated Piping: Cast brass, one piece, with set screw, and polished chrome-plated finish. Use

split-casting escutcheons if required, for existing piping. 2. Uninsulated Piping Wall Escutcheons: Cast brass or stamped steel, with set screw. 3. Uninsulated Piping Floor Plates in Utility Areas: Cast-iron floor plates. 4. Insulated Piping: Cast brass or stamped steel; with concealed hinge, spring clips, and chrome-plated

finish. 5. Piping in Utility Areas: Cast brass or stamped steel, with set-screw or spring clips.

N. Install sleeves for pipes passing through concrete and masonry walls, gypsum-board partitions, and concrete floor and roof slabs. 1. Cut sleeves to length for mounting flush with both surfaces.

a. Exception: Extend sleeves installed in floors of mechanical equipment areas or other wet areas 2 inches above finished floor level. Extend cast-iron sleeve fittings below floor slab as required to secure clamping ring if ring is specified.

2. Build sleeves into new walls and slabs as work progresses. 3. Install sleeves large enough to provide 1/4-inch annular clear space between sleeve and pipe or pipe

insulation. Use the following sleeve materials: a. PVC Pipe Sleeves: For pipes smaller than 6-inch NPS. b. Steel Pipe Sleeves: For pipes smaller than 6-inch NPS. c. Steel, Sheet-Metal Sleeves: For pipes 6-inch NPS and larger, penetrating gypsum-board

partitions. d. Stack Sleeve Fittings: For pipes penetrating floors with membrane waterproofing. Secure

flashing between clamping flanges. Install section of cast-iron soil pipe to extend sleeve to 2 inches above finished floor level. Refer to Division 7 Section "Sheet Metal Flashing and Trim" for flashing. 1) Seal space outside of sleeve fittings with nonshrink, nonmetallic grout.




4. Except for underground wall penetrations, seal annular space between sleeve and pipe or pipe insulation, using elastomeric joint sealants. Refer to Division 7 Section "Joint Sealants" for materials.

5. Use Type S, Grade NS, Class 25, Use O, neutral-curing silicone sealant, unless otherwise indicated.

O. Aboveground, Exterior-Wall, Pipe Penetrations: Seal penetrations using sleeves and mechanical sleeve seals. Size sleeve for 1-inch annular clear space between pipe and sleeve for installing mechanical sleeve seals. 1. Install steel pipe for sleeves smaller than 6 inches in diameter. 2. Install cast-iron "wall pipes" for sleeves 6 inches in diameter and larger. 3. Assemble and install mechanical sleeve seals according to manufacturer's written instructions. Tighten

bolts that cause rubber sealing elements to expand and make watertight seal.

P. Underground, Exterior-Wall, Pipe Penetrations: Install cast-iron "wall pipes" for sleeves. Seal pipe penetrations using mechanical sleeve seals. Size sleeve for 1-inch annular clear space between pipe and sleeve for installing mechanical sleeve seals. 1. Assemble and install mechanical sleeve seals according to manufacturer's written instructions. Tighten

bolts that cause rubber sealing elements to expand and make watertight seal.

Q. Fire-Barrier Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at pipe penetrations. Seal pipe penetrations with firestopping materials. Refer to Division 7 Section "Firestopping" for materials.

R. Verify final equipment locations for roughing-in.

S. Refer to equipment specifications in other Sections of these Specifications for roughing-in requirements.

T. Piping Joint Construction: Join pipe and fittings as follows and as specifically required in individual piping specification Sections: 1. Ream ends of pipes and tubes and remove burrs. Bevel plain ends of steel pipe. 2. Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before assembly. 3. Soldered Joints: Construct joints according to AWS's "Soldering Manual," Chapter "The Soldering of

Pipe and Tube"; or CDA's "Copper Tube Handbook." 4. Brazed Joints: Construct joints according to AWS's "Brazing Handbook," Chapter "Pipe and Tube." 5. Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1. Cut threads full

and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore full ID. Join pipe fittings and valves as follows: a. Note internal length of threads in fittings or valve ends, and proximity of internal seat or wall, to

determine how far pipe should be threaded into joint. b. Apply appropriate tape or thread compound to external pipe threads, unless dry seal threading

is specified. c. Align threads at point of assembly. d. Tighten joint with wrench. Apply wrench to valve end into which pipe is being threaded. e. Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or damaged.

Do not use pipe sections that have cracked or open welds. 6. Welded Joints: Construct joints according to AWS D10.12, "Recommended Practices and Procedures

for Welding Low Carbon Steel Pipe," using qualified processes and welding operators according to "Quality Assurance" Article.

7. Flanged Joints: Align flange surfaces parallel. Select appropriate gasket material, size, type, and thickness for service application. Install gasket concentrically positioned. Assemble joints by




sequencing bolt tightening to make initial contact of flanges and gaskets as flat and parallel as possible. Use suitable lubricants on bolt threads. Tighten bolts gradually and uniformly using torque wrench.

8. Plastic Piping Solvent-Cement Joints: Clean and dry joining surfaces by wiping with clean cloth or paper towels. Join pipe and fittings according to the following: a. Comply with ASTM F 401 for safe-handling practice of cleaners, primers and solvent cements. b. ABS Piping: ASTM D 2235 and ASTM D 2661. c. CPVC Piping: ASTM D 2846 and ASTM F 493. d. PVC Pressure Piping: ASTM D 2672. e. PVC Nonpressure Piping: ASTM D 2855. f. PVC to ABS Nonpressure Transition Fittings: Procedure and solvent cement according to

ASTM D 3138.

U. Piping Connections: Make connections according to the following, unless otherwise indicated: 1. Install unions, in piping 2-inch NPS and smaller, adjacent to each valve and at final connection to each

piece of equipment with 2-inch NPS or smaller threaded pipe connection. 2. Install flanges, in piping 2-1/2-inch NPS and larger, adjacent to flanged valves and at final connection

to each piece of equipment with flanged pipe connection. 3. Dry Piping Systems: Install dielectric unions and flanges to connect piping materials of dissimilar

metals. 4. Wet Piping Systems: Install dielectric coupling and nipple fittings to connect piping materials of

dissimilar metals.

3.02 EQUIPMENT INSTALLATION - COMMON REQUIREMENTS

A. Install equipment to provide maximum possible headroom, if mounting heights are not indicated.

B. Install equipment according to approved submittal data. Portions of the Work are shown only in diagrammatic form. Refer conflicts to Architect.

C. Install equipment level and plumb, parallel and perpendicular to other building systems and components in exposed interior spaces, unless otherwise indicated.

D. Install mechanical equipment to facilitate service, maintenance, and repair or replacement of components. Connect equipment for ease of disconnecting, with minimum interference to other installations. Extend grease fittings to accessible locations.

E. Install equipment giving right of way to piping installed at required slope.

F. Install flexible connectors on equipment side of shutoff valves, horizontally and parallel to equipment shafts if possible.

3.03 LABELING AND IDENTIFYING

A. Piping Systems: Install pipe markers on each system. Include arrows showing normal direction of flow. 1. Stenciled Markers: According to ASME A13.1. 2. Plastic markers, with application systems. Install on insulation segment if required for hot, uninsulated

piping.




3. Locate pipe markets as follows if piping is exposed in finished spaces, machine rooms and accessible maintenance spaces, such as shafts, tunnels, plenums and exterior unconcealed locations: a. Near each valve and control device. b. Plastic markers, with application systems. Install on insulation segment if required for hot,

uninsulated piping. c. Near locations if pipes pass through walls, floors, ceilings or enter nonaccessible enclosures. d. At access doors, manholes and similar access points that permit view of concealed piping. e. Near major equipment items and other points of origination and termination. f. Spaced at maximum of 50-foot intervals along each run. Reduce intervals to 25-feet in

congested areas of piping and equipment. g. On piping above removable acoustical ceilings, except omit intermediately spaced markers.

B. Equipment: Install engraved plastic-laminate sign or equipment marker on or near each major item of mechanical equipment. 1. Lettering Size: Minimum ¼-inch high lettering for name of unit if viewing distance is less than 24-

inches, ½-inch high lettering for distances up to 72 inches and proportionally larger lettering for greater distances. Provide secondary lettering two-thirds to three-fourths of size of principal lettering.

2. Text of Signs: Provide name of identified unit. Include text to distinguish between multiple units, inform user of operational requirements, indicate safety and emergency precautions and warn of hazards and improper operations.

C. Adjusting: Relocate identifying devices as necessary for unobstructed view in finished construction.

3.04 PAINTING AND FINISHING

A. Refer to Division 9 Section "Painting" for paint materials, surface preparation, and application of paint.

B. Apply paint to exposed piping according to the following, unless otherwise indicated: 1. Interior, Ferrous Piping: Use semigloss, acrylic-enamel finish. Include finish coat over enamel

undercoat and primer. 2. Interior, Galvanized-Steel Piping: Use semigloss, acrylic-enamel finish. Include two finish coats over

galvanized metal primer. 3. Interior, Ferrous Supports: Use semigloss, acrylic-enamel finish. Include finish coat over enamel

undercoat and primer. 4. Exterior, Ferrous Piping: Use semigloss, acrylic-enamel finish. Include two finish coats over rust-

inhibitive metal primer. 5. Exterior, Galvanized-Steel Piping: Use semigloss, acrylic-enamel finish. Include two finish coats over

galvanized metal primer. 6. Exterior, Ferrous Supports: Use semigloss, acrylic-enamel finish. Include two finish coats over rust-

inhibitive metal primer.

C. Do not paint piping specialties with factory-applied finish.

D. Damage and Touchup: Repair marred and damaged factory-painted finishes with materials and procedures to match original factory finish.





3.05 CONCRETE BASES

A. Construct concrete bases of dimensions indicated, but not less than 4 inches larger in both directions than supported unit. Follow supported equipment manufacturer's setting templates for anchor bolt and tie locations. Use 3000-psig, 28-day compressive-strength concrete and reinforcement as specified in Division 3 Section "Cast-in-Place Concrete."

3.06 ERECTION OF METAL SUPPORTS AND ANCHORAGE

A. Cut, fit, and place miscellaneous metal supports accurately in location, alignment, and elevation to support and anchor mechanical materials and equipment.

B. Field Welding: Comply with AWS D1.1, "Structural Welding Code--Steel."

3.07 CUTTING AND PATCHING

A. Cut, channel, chase, and drill floors, walls, partitions, ceilings, and other surfaces necessary for mechanical installations. Perform cutting by skilled mechanics of trades involved.

B. Repair cut surfaces to match adjacent surfaces.

3.08 GROUTING

A. Install nonmetallic, nonshrink, grout for mechanical equipment base bearing surfaces, pump and other equipment base plates, and anchors. Mix grout according to manufacturer's written instructions.

B. Clean surfaces that will come into contact with grout.

C. Provide forms as required for placement of grout.

D. Avoid air entrapment during placing of grout.

E. Place grout, completely filling equipment bases.

F. Place grout on concrete bases to provide smooth bearing surface for equipment.

G. Place grout around anchors.

H. Cure placed grout according to manufacturer's written instructions.

END OF SECTION



HANGERS AND SUPPORTS 15060

SECTION 15060 - HANGERS AND SUPPORTS PART 1 GENERAL 1.01 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1

Specification Sections, apply to this Section. 1.02 RELATED SECTIONS INCLUDE THE FOLLOWING A. Division 5 Section "Metal Fabrications" for materials for attaching hangers and supports to building structure. B. Division 13 Section 13901 on “Fire Protection, General Requirements and Wet Automatic Sprinkler System”. C. Division 15 Section "Mechanical Vibration Controls” for vibration isolation. 1.03 DEFINITIONS A. MSS: Manufacturers Standardization Society for the Valve and Fittings Industry. B. Terminology: As defined in MSS SP-90, "Guidelines on Terminology for Pipe Hangers and Supports." 1.04 PERFORMANCE REQUIREMENTS A. Design channel support systems for piping to support multiple pipes capable of supporting combined weight of

supported systems, system contents, and test water. B. Design heavy-duty steel trapezes for piping to support multiple pipes capable of supporting combined weight of

supported systems, system contents, and test water. 1.05 SUBMITTALS A. Product Data: For each type of pipe hanger, channel support system component, and thermal-hanger shield

insert indicated. B. Shop Drawings: Multiple piping supports and trapeze hangers. Include design calculations and indicate size and

characteristics of components and fabrication details. Welding Certificates: Copies of certificates for welding procedures and operators. 1.06 QUALITY ASSURANCE A. Welding: Qualify processes and operators according to ASME Boiler and Pressure Vessel Code: Section IX,

"Welding and Brazing Qualifications."

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PART 2 PRODUCTS 2.01 MANUFACTURERS A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

1. Pipe Hangers: a. B-Line Systems, Inc. b. Carpenter & Patterson, Inc. c. Grinnell Corp.

2. Channel Support Systems:

a. Grinnell Corp.; Power-Strut Unit. b. Michigan Hanger Co., Inc.; O-Strut Div. c. Unistrut Corp.

3. Thermal-Hanger Shield Inserts:

a. Carpenter & Patterson, Inc. b. Michigan Hanger Co., Inc. c. Pipe Shields, Inc.

4. Powder-Actuated Fastener Systems:

a. Hilti, Inc. b. ITW Ramset/Red Head. c. Masterset Fastening Systems, Inc.

2.02 MANUFACTURED UNITS A. Pipe Hangers, Supports, and Components: MSS SP-58, factory-fabricated components. Refer to "Hanger and

Support Applications" Article in Part 3 for where to use specific hanger and support types. 1. Galvanized, Metallic Coatings: For piping and equipment that will not have field-applied finish. 2. Nonmetallic Coatings: On attachments for electrolytic protection where attachments are in direct

contact with copper tubing. B. Channel Support Systems: MFMA-2, factory-fabricated components for field assembly.

1. Coatings: Manufacturer's standard finish, unless bare metal surfaces are indicated. 2. Nonmetallic Coatings: On attachments for electrolytic protection where attachments are in direct

contact with copper tubing. C. Thermal-Hanger Shield Inserts: 100-psi minimum compressive-strength insulation, encased in sheet metal

shield. 1. Material for Cold Piping: ASTM C 552, Type I cellular glass or water-repellent-treated, ASTM C 533,

Type I calcium silicate with vapor barrier. 2. Material for Hot Piping: ASTM C 552, Type I cellular glass or water-repellent-treated, ASTM C 533,

Type I calcium silicate. 3. Material for Hot Piping: ASTM C 552, Type I cellular glass. 4. Material for Hot Piping: Water-repellent-treated, ASTM C 533, Type I calcium silicate. 5. For Trapeze or Clamped System: Insert and shield cover entire circumference of pipe.





6. For Clevis or Band Hanger: Insert and shield cover lower 180 degrees of pipe. 7. Insert Length: Extend 2 inches beyond sheet metal shield for piping operating below ambient air

temperature. 2.02 MISCELLANEOUS MATERIALS A. Powder-Actuated Drive-Pin Fasteners: Powder-actuated-type, drive-pin attachments with pull-out and shear

capacities appropriate for supported loads and building materials where used. B. Mechanical-Anchor Fasteners: Insert-type attachments with pull-out and shear capacities appropriate for

supported loads and building materials where used. C. Structural Steel: ASTM A 36/A 36M, steel plates, shapes, and bars, black and galvanized. D. Grout: ASTM C 1107, Grade B, factory-mixed and -packaged, nonshrink and nonmetallic, dry, hydraulic-cement

grout. 1. Characteristics: Post hardening and volume adjusting; recommended for both interior and exterior

applications. 2. Properties: Nonstaining, noncorrosive, and nongaseous. 3. Design Mix: 5000-psi, 28-day compressive strength.

2.03 CORROSION PROTECTION A. All hanger and support components exposed to the outdoors or installed within interior building without air

conditioned spaces, shall be hot-dip galvanized after fabrication. PART 3 EXECUTION 3.01 HANGER AND SUPPORT APPLICATIONS A. Specific hanger requirements are specified in Sections specifying equipment and systems. B. Comply with MSS SP-69 for pipe hanger selections and applications that are not specified in piping system

Specification Sections. C. Horizontal-Piping Hangers and Supports: Unless otherwise indicated and except as specified in piping system

Specification Sections, install the following types: 1. Adjustable Steel Clevis Hangers (MSS Type 1): For suspension of noninsulated or insulated stationary

pipes, NPS 1/2 to NPS 30. 2. Yoke-Type Pipe Clamps (MSS Type 2): For suspension of 120 to 450 deg F pipes, NPS 4 to NPS 16,

requiring up to 4 inches of insulation. 3. Carbon- or Alloy-Steel, Double-Bolt Pipe Clamps (MSS Type 3): For suspension of pipes, NPS 3/4 to

NPS 24, requiring clamp flexibility and up to 4 inches of insulation. 4. Steel Pipe Clamps (MSS Type 4): For suspension of cold and hot pipes, NPS 1/2 to NPS 24, if little or

no insulation is required.





5. Pipe Hangers (MSS Type 5): For suspension of pipes, NPS 1/2 to NPS 4, to allow off-center closure for hanger installation before pipe erection.

6. Adjustable Swivel Split- or Solid-Ring Hangers (MSS Type 6): For suspension of noninsulated stationary pipes, NPS 3/4 to NPS 8.

7. Adjustable Steel Band Hangers (MSS Type 7): For suspension of noninsulated stationary pipes, NPS 1/2 to NPS 8.

8. Adjustable Band Hangers (MSS Type 9): For suspension of noninsulated stationary pipes, NPS 1/2 to NPS 8.

9. Adjustable Swivel-Ring Band Hangers (MSS Type 10): For suspension of noninsulated stationary pipes, NPS 1/2 to NPS 2.

10. Split Pipe-Ring with or without Turnbuckle-Adjustment Hangers (MSS Type 11): For suspension of noninsulated stationary pipes, NPS 3/8 to NPS 8.

11. Extension Hinged or Two-Bolt Split Pipe Clamps (MSS Type 12): For suspension of noninsulated stationary pipes, NPS 3/8 to NPS 3.

12. U-Bolts (MSS Type 24): For support of heavy pipe, NPS 1/2 to NPS 30. 13. Clips (MSS Type 26): For support of insulated pipes not subject to expansion or contraction. 14. Pipe Saddle Supports (MSS Type 36): For support of pipes, NPS 4 to NPS 36, with steel pipe base

stanchion support and cast-iron floor flange. 15. Pipe Stanchion Saddles (MSS Type 37): For support of pipes, NPS 4 to NPS 36, with steel pipe base

stanchion support and cast-iron floor flange and with U-bolt to retain pipe. 16. Adjustable Pipe Saddle Supports (MSS Type 38): For stanchion-type support for pipes, NPS 2-1/2 to

NPS 36, if vertical adjustment is required, with steel pipe base stanchion support and cast-iron floor flange.

17. Single Pipe Rolls (MSS Type 41): For suspension of pipes, NPS 1 to NPS 30, from two rods if longitudinal movement caused by expansion and contraction might occur.

18. Adjustable Roller Hangers (MSS Type 43): For suspension of pipes, NPS 2-1/2 to NPS 20, from single rod if horizontal movement caused by expansion and contraction might occur.

19. Complete Pipe Rolls (MSS Type 44): For support of pipes, NPS 2 to NPS 42, if longitudinal movement caused by expansion and contraction might occur but vertical adjustment is not necessary.

20. Pipe Roll and Plate Units (MSS Type 45): For support of pipes, NPS 2 to NPS 24, if small horizontal movement caused by expansion and contraction might occur and vertical adjustment is not necessary.

21. Adjustable Pipe Roll and Base Units (MSS Type 46): For support of pipes, NPS 2 to NPS 30, if vertical and lateral adjustment during installation might be required in addition to expansion and contraction.

D. Vertical-Piping Clamps: Unless otherwise indicated and except as specified in piping system Specification

Sections, install the following types: 1. Extension Pipe or Riser Clamps (MSS Type 8): For support of pipe risers, NPS 3/4 to NPS 20. 2. Carbon- or Alloy-Steel Riser Clamps (MSS Type 42): For support of pipe risers, NPS 3/4 to NPS 20, if

longer ends are required for riser clamps. E. Hanger-Rod Attachments: Unless otherwise indicated and except as specified in piping system Specification

Sections, install the following types: 1. Steel Turnbuckles (MSS Type 13): For adjustment up to 6 inches for heavy loads. 2. Steel Clevises (MSS Type 14): For 120 to 450 deg F piping installations. 3. Swivel Turnbuckles (MSS Type 15): For use with MSS Type 11, split pipe rings. 4. Malleable-Iron Sockets (MSS Type 16): For attaching hanger rods to various types of building

attachments.





5. Steel Weldless Eye Nuts (MSS Type 17): For 120 to 450 deg F piping installations. F. Building Attachments: Unless otherwise indicated and except as specified in piping system Specification

Sections, install the following types: 1. Steel or Malleable Concrete Inserts (MSS Type 18): For upper attachment to suspend pipe hangers

from concrete ceiling. 2. Top-Beam C-Clamps (MSS Type 19): For use under roof installations with bar-joist construction to

attach to top flange of structural shape. 3. Side-Beam or Channel Clamps (MSS Type 20): For attaching to bottom flange of beams, channels, or

angles. 4. Center-Beam Clamps (MSS Type 21): For attaching to center of bottom flange of beams. 5. Welded Beam Attachments (MSS Type 22): For attaching to bottom of beams if loads are considerable

and rod sizes are large. 6. C-Clamps (MSS Type 23): For structural shapes. 7. Top-Beam Clamps (MSS Type 25): For top of beams if hanger rod is required tangent to flange edge. 8. Side-Beam Clamps (MSS Type 27): For bottom of steel I-beams. 9. Steel-Beam Clamps with Eye Nuts (MSS Type 28): For attaching to bottom of steel I-beams for heavy

loads. 10. Linked-Steel Clamps with Eye Nuts (MSS Type 29): For attaching to bottom of steel I-beams for heavy

loads, with link extensions. 11. Malleable Beam Clamps with Extension Pieces (MSS Type 30): For attaching to structural steel. 12. Welded-Steel Brackets: For support of pipes from below or for suspending from above by using clip

and rod. Use one of the following for indicated loads: a. Light (MSS Type 31): 750 lb. b. Medium (MSS Type 32): 1500 lb. c. Heavy (MSS Type 33): 3000 lb.

13. Side-Beam Brackets (MSS Type 34): For sides of steel or wooden beams. 14. Plate Lugs (MSS Type 57): For attaching to steel beams if flexibility at beam is required. 15. Horizontal Travelers (MSS Type 58): For supporting piping systems subject to linear horizontal

movement where head room is limited. G. Saddles and Shields: Unless otherwise indicated and except as specified in piping system Specification

Sections, install the following types: 1. Steel Pipe-Covering Protection Saddles (MSS Type 39): To fill interior voids with insulation that

matches adjoining insulation. 2. Protection Shields (MSS Type 40): Of length recommended by manufacturer to prevent crushing

insulation. 3. Thermal-Hanger Shield Inserts: For supporting insulated pipe, 360-degree insert of high-density, 100-

psi minimum compressive-strength, water-repellent-treated calcium silicate or cellular-glass pipe insulation, same thickness as adjoining insulation with vapor barrier and encased in 360-degree sheet metal shield.

H. Spring Hangers and Supports: Unless otherwise indicated and except as specified in piping system Specification

Sections, install the following types: 1. Restraint-Control Devices (MSS Type 47): Where indicated to control piping movement. 2. Spring Cushions (MSS Type 48): For light loads if vertical movement does not exceed 1-1/4 inches.





3. Spring-Cushion Roll Hangers (MSS Type 49): For equipping Type 41 roll hanger with springs. 4. Spring Sway Braces (MSS Type 50): To retard sway, shock, vibration, or thermal expansion in piping

systems. 5. Variable-Spring Hangers (MSS Type 51): Preset to indicated load and limit variability factor to 25

percent to absorb expansion and contraction of piping system from hanger. 6. Variable-Spring Base Supports (MSS Type 52): Preset to indicated load and limit variability factor to 25

percent to absorb expansion and contraction of piping system from base support. 7. Variable-Spring Trapeze Hangers (MSS Type 53): Preset to indicated load and limit variability factor to

25 percent to absorb expansion and contraction of piping system from trapeze support. 8. Constant Supports: For critical piping stress and if necessary to avoid transfer of stress from one

support to another support, critical terminal, or connected equipment. Include auxiliary stops for erection, hydrostatic test, and load-adjustment capability. These supports include the following types: a. Horizontal (MSS Type 54): Mounted horizontally. b. Vertical (MSS Type 55): Mounted vertically. c. Trapeze (MSS Type 56): Two vertical-type supports and one trapeze member.

3.02 HANGER AND SUPPORT INSTALLATION A. Pipe Hanger and Support Installation: Comply with MSS SP-69 and MSS SP-89. Install hangers, supports,

clamps, and attachments as required to properly support piping from building structure. B. Channel Support System Installation: Arrange for grouping of parallel runs of piping and support together on

field-assembled channel systems. 1. Field assemble and install according to manufacturer's written instructions.

C. Heavy-Duty Steel Trapeze Installation: Arrange for grouping of parallel runs of horizontal piping and support

together on field-fabricated, heavy-duty trapezes. 1. Pipes of Various Sizes: Support together and space trapezes for smallest pipe size or install

intermediate supports for smaller diameter pipes as specified above for individual pipe hangers. 2. Field fabricate from ASTM A 36/A 36M, steel shapes selected for loads being supported. Weld steel

according to AWS D-1.1. D. Install building attachments within concrete slabs or attach to structural steel. Space attachments within

maximum piping span length indicated in MSS SP-69. Install additional attachments at concentrated loads, including valves, flanges, guides, strainers, and expansion joints, and at changes in direction of piping. Install concrete inserts before concrete is placed; fasten inserts to forms and install reinforcing bars through openings at top of inserts.

E. Install powder-actuated drive-pin fasteners in concrete after concrete is placed and completely cured. Use

operators that are licensed by powder-actuated tool manufacturer. Install fasteners according to powder-actuated tool manufacturer's operating manual.

F. Install mechanical-anchor fasteners in concrete after concrete is placed and completely cured. Install fasteners

according to manufacturer's written instructions. G. Install hangers and supports complete with necessary inserts, bolts, rods, nuts, washers, and other accessories.





H. Install hangers and supports to allow controlled thermal movement of piping systems, to permit freedom of movement between pipe anchors, and to facilitate action of expansion joints, expansion loops, expansion bends, and similar units.

I. Load Distribution: Install hangers and supports so that piping live and dead loads and stresses from movement

will not be transmitted to connected equipment. J. Pipe Slopes: Install hangers and supports to provide indicated pipe slopes and so maximum pipe deflections

allowed by ASME B31.9, "Building Services Piping," is not exceeded. K. Insulated Piping: Comply with the following:

1. Attach clamps and spacers to piping. a. Piping Operating above Ambient Air Temperature: Clamp may project through insulation. b. Piping Operating below Ambient Air Temperature: Use thermal-hanger shield insert with

clamp sized to match OD of insert. c. Do not exceed pipe stress limits according to ASME B31.9.

2. Install MSS SP-58, Type 39 protection saddles, if insulation without vapor barrier is indicated. Fill

interior voids with insulation that matches adjoining insulation. a. Option: Thermal-hanger shield inserts may be used. Include steel weight-distribution plate for

pipe NPS 4 and larger if pipe is installed on rollers. 3. Install MSS SP-58, Type 40 protective shields on cold piping with vapor barrier. Shields shall span arc

of 180 degrees. a. Option: Thermal-hanger shield inserts may be used. Include steel weight-distribution plate for

pipe NPS 4 and larger if pipe is installed on rollers. 4. Shield Dimensions for Pipe: Not less than the following:

a. NPS 1/4 to NPS 3-1/2: 12 inches long and 0.048 inch thick. b. NPS 4: 12 inches long and 0.06 inch thick. c. NPS 5 and NPS 6: 18 inches long and 0.06 inch thick. d. NPS 8 to NPS 14: 24 inches long and 0.075 inch thick. e. NPS 16 to NPS 24: 24 inches long and 0.105 inch thick.

5. Pipes NPS 8 and Larger: Include wood inserts. 6. Insert Material: Length at least as long as protective shield. 7. Thermal-Hanger Shields: Install with insulation same thickness as piping insulation.

3.03 EQUIPMENT SUPPORTS A. Fabricate structural-steel stands to suspend equipment from structure above or to support equipment above floor. B. Grouting: Place grout under supports for equipment and make smooth bearing surface.




HANGERS AND SUPPORTS 15060 Rizo Carreño & Partners, Inc. RC&P Project # 08012.00 8 of 8

3.04 METAL FABRICATION A. Cut, drill, and fit miscellaneous metal fabrications for heavy-duty steel trapezes and equipment supports. B. Fit exposed connections together to form hairline joints. Field-weld connections that cannot be shop-welded

because of shipping size limitations. C. Field Welding: Comply with AWS D1.1 procedures for shielded metal arc welding, appearance and quality of

welds, and methods used in correcting welding work, and with the following: 1. Use materials and methods that minimize distortion and develop strength and corrosion resistance of

base metals. 2. Obtain fusion without undercut or overlap. 3. Remove welding flux immediately. 4. Finish welds at exposed connections so no roughness shows after finishing and contours of welded

surfaces match adjacent contours. 3.05 ADJUSTING A. Hanger Adjustment: Adjust hangers to distribute loads equally on attachments and to achieve indicated slope of

pipe. 3.06 PAINTING A. Retain paragraph below if painting is in Division 9 Section "Painting." Revise reference if Division 9 Section

"Special Coatings" applies instead.

B. Touching Up: Cleaning and touchup painting of field welds, bolted connections, and abraded areas of shop paint on miscellaneous metal are specified in Division 9 Section "Painting."

C. Galvanized Surfaces: Clean welds, bolted connections, and abraded areas and apply galvanizing-repair paint to

comply with ASTM A780.

END OF SECTION


PROJECT NUMBER B-60453A SECTION 15071 - HVAC - VIBRATION ISOLATION PART 1 GENERAL 1.01 SUBMITTALS A. Submit manufacturer's data and shop drawings for approval before ordering or commencing work. 1.02 PROTECTION A. Protect all materials during storage and installation. 1.03 SCOPE A. All mechanical equipment over one horsepower, unless otherwise noted, shall be isolated from the structure by

means of resilient vibration and noise isolators supplied by a single manufacturer to the Mechanical Contractor. PART 2 PRODUCTS 2.01 EQUIPMENT ISOLATION A. Floor mounted equipment to be supported by unhoused, stable spring isolators, with horizontal stiffness equal or

larger than 0.8 vertical stiffness. isolators to be provided with leveling bolt and 1/4" ribbed neoprene pad bonded to the base plate. Provide 4" high concrete housekeeping pad over complete floor area of equipment.

B. Suspend equipment or piping to be supported by spring hangers with stable springs, position indicators,

neoprene grommets and washers to separate bolt and spring from housing. 2.02 INERTIA BASE A. Inertia base shall be of reinforced concrete. Inertial bases shall provide a common support for motors and driven

equipment. Frames for inertia bases shall be structural steel with reinforcing bars welded in place and shall be provided by manufacturer of isolators.

PART 3 EXECUTION 3.01 INSTALLATION A. Selection of spring mounts to be based on weight information supplied by equipment manufacturer to vibration

isolator manufacturer. B. Spring selection to be based on 2" deflection minimum with equipment and piping in place and ready to operate. C. Install spring mounts so that springs are vertical and free of side stresses.

HVAC – VIBRATION ISOLATION 15071 Rizo Carreño & Partners, Inc. RC&P Project # 08012.00 1 of 2



HVAC – VIBRATION ISOLATION 15071 Rizo Carreño & Partners, Inc. RC&P Project # 08012.00 2 of 2

D. Weight of equipment and piping supported must not compress spring beyond operating point recommended by manufacturer.

E. When installing pipe isolation joints, pipes to be supported independently of the equipment to which they

connect. F. Vibration isolation system shall be guaranteed to have deflection stated herein or as indicated in the drawings.

Mounted sizes shall be determined by mounting manufacturer's instructions. 3.02 ACCEPTABLE MANUFACTURERS A. Acceptable manufacturers for spring mounts: Korfund Dynamics Corp., Mason Industries, Korfund Dynamics,

Vibration Eliminator Co., Amber Booth Company. 3.03 MOUNT AIR HANDLING UNITS AS FOLLOWS A. The equipment shall be mounted directly on stable bare steel spring isolators. Where units to be mounted are

furnished with internal structural frames and external lugs (both of suitable strength and rigidity), or without any severe overhangs, no additional structural frame need be furnished and installed beneath unit. In any event, motor shall be integrally mounted to unit and shall be mounted on slide rails. Minimum static deflection shall be 2 inches.

3.04 SUPPORT PIPING AS FOLLOWS A. Resilient diagonal mountings or other approved devices shall be provided as required to limit piping motion due

to equipment start up or shut down, to maximum deflection of 1/8 inch. B. Isolators for water piping shall be resiliently spring and neoprene supported with mountings providing a

minimum static deflection of 1/2 inch. C. Where supplementary steel is required to support piping, supplementary steel shall be sized so the maximum

deflection between supports does not exceed 0.08 inches. The pipe support/rod/clamp is to be resiliently supported from the supplementary steel.

END OF SECTION



SECTION 15083 - PIPE INSULATION

PART 1 GENERAL

1.01 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

1.02 RELATED WORK

A. Division 15 Section "Hangers and Supports" for pipe insulation shields and protection saddles.

B. Section 15180 – Mechanical Systems Insulation.

1.03 SUBMITTALS

A. Product Data: Identify thermal conductivity, density, thickness, and jackets (both factory and field applied, if any), for each type of product indicated.

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

1. Application of protective shields, saddles, and inserts at pipe hangers for each type of insulation and hanger.

2. Insulation application at pipe expansion joints for each type of insulation. 3. Insulation application at elbows, fittings, flanges, valves, and specialties for each type of insulation. 4. Removable insulation at piping specialties and equipment connections. 5. Application of field-applied jackets.

C. Material Test Reports: From a qualified testing agency acceptable to authorities having jurisdiction indicating,

interpreting, and certifying test results for compliance of insulation materials, sealers, attachments, cements, and jackets with requirements indicated. Include dates of tests.

D. Installer Certificates: Signed by the Contractor certifying that installers comply with requirements. 1.04 QUALITY ASSURANCE

A. Installer Qualifications: Skilled mechanics who have successfully completed an apprenticeship program or another craft training program certified by the U.S. Department of Labor, Bureau of Apprenticeship and Training.

B. Fire-Test-Response Characteristics: As determined by testing materials identical to those specified in this Section according to ASTM E 84, by a testing and inspecting agency acceptable to authorities having jurisdiction. Factory label insulation and jacket materials and sealer and cement material containers with appropriate markings of applicable testing and inspecting agency. 1. Insulation Installed Indoors: Flame-spread rating of 25 or less, and smoke-developed rating of 50 or

less. 2. Insulation Installed Outdoors: Flame-spread rating of 75 or less, and smoke-developed rating of 150 or

less.

PIPE INSULATION 15083 Rizo Carreño & Partners, Inc. RC&P Project # 08012.00 1 of 13



1.05 DELIVERY, STORAGE, AND HANDLING

A. Packaging: Ship insulation materials in containers marked by manufacturer with appropriate ASTM specification designation, type and grade, and maximum use temperature.

1.06 COORDINATION

A. Coordinate size and location of supports, hangers, and insulation shields specified in Division 15 Section "Hangers and Supports."

B. Coordinate clearance requirements with piping Installer for insulation application.

C. Coordinate installation and testing of steam or electric heat tracing.

1.07 SCHEDULING

A. Schedule insulation application after testing piping systems and, where required, after installing and testing heat-trace tape. Insulation application may begin on segments of piping that have satisfactory test results.

PART 2 PRODUCTS

2.01 MANUFACTURERS

A. Retain above for nonproprietary or below for semiproprietary Specification. Refer to Division 1 Section "Materials and Equipment."

B. Manufacturers: Subject to compliance with requirements, provide products by one of the following: 1. Mineral-Fiber Insulation: a. CertainTeed Manson. b. Owens-Corning Fiberglas Corp. c. Knauf Fiberglass GribH. 2. Cellular-Glass Insulation: a. Pittsburgh-Corning Corp.

3. Flexible Elastomeric Thermal Insulation: a. Armstrong World Industries, Inc. b. Rubatex Corp. c. Imcoa.

4. Calcium Silicate Insulation: a. Owens-Corning Fiberglas Corp. b. Pabco. c. Schuller International, Inc.



PROJECT NUMBER B-60453A 2.02 INSULATION MATERIALS

A. Mineral-Fiber Insulation: Glass fibers bonded with a thermosetting resin complying with the following: 1. Preformed Pipe Insulation: Comply with ASTM C 547, Type 1, with factory-applied, all-purpose, vapor-

retarder jacket. 2. Blanket Insulation: Comply with ASTM C 553, Type II, without facing. 3. Fire-Resistant Adhesive: Comply with MIL-A-3316C in the following classes and grades: a. Class 1, Grade A for bonding glass cloth and tape to unfaced glass-fiber insulation, for sealing

edges of glass-fiber insulation, and for bonding lagging cloth to unfaced glass-fiber insulation. b. Class 2, Grade A for bonding glass-fiber insulation to metal surfaces. 4. Vapor-Retarder Mastics: Fire- and water-resistant, vapor-retarder mastic for indoor applications.

Comply with MIL-C-19565C, Type II. 5. Mineral-Fiber Insulating Cements: Comply with ASTM C 195. 6. Expanded or Exfoliated Vermiculite Insulating Cements: Comply with ASTM C 196. 7. Mineral-Fiber, Hydraulic-Setting Insulating and Finishing Cement: Comply with ASTM C 449/C 449M.

C. Cellular-Glass Insulation: Inorganic, foamed or cellulated glass, annealed, rigid, hermetically sealed cells, incombustible. 1. Preformed Pipe Insulation, without Jacket: Comply with ASTM C 552, Type II, Class 1. 2. Preformed Pipe Insulation, with Jacket: Comply with ASTM C 552, Type II, Class 2.

D. Flexible Elastomeric Thermal Insulation: Closed-cell, sponge- or expanded-rubber materials. Comply with ASTM C 534, Type I for tubular materials and Type II for sheet materials. 1. Adhesive: As recommended by insulation material manufacturer.

2. Ultraviolet-Protective Coating: As recommended by insulation manufacturer.

E. Calcium Silicate Insulation: Preformed pipe sections of noncombustible, inorganic, hydrous calcium silicate with a nonasbestos fibrous reinforcement. Comply with ASTM C 533, Type I.

F. Prefabricated Thermal Insulating Fitting Covers: Comply with ASTM C 450 for dimensions used in performing insulation to cover valves, elbows, tees, and flanges.

2.03 FIELD-APPLIED JACKETS

A. General: ASTM C 921, Type 1, unless otherwise indicated.

B. A properly sealed foil, scrim, kraft-paper (FSK) jacket, common with most forms of factory-applied jackets for mineral-fiber insulation, meets vapor-retarder requirements of ASTM C 921, Type I.

C. Foil and Paper Jacket: Laminated, glass-fiber-reinforced, flame-retardant kraft paper and aluminum foil.

D. Standard PVC Fitting Covers: Factory-fabricated fitting covers manufactured from 20-mil- thick, high-impact, ultraviolet-resistant PVC. 1. Shapes: 45- and 90-degree, short- and long-radius elbows, tees, valves, flanges, reducers, end caps,

soil-pipe hubs, traps, mechanical joints, and P-trap and supply covers for lavatories for the disabled. 2. Adhesive: As recommended by insulation material manufacturer.



PROJECT NUMBER B-60453A E. Aluminum Jacket: Factory cut and rolled to indicated sizes. Comply with ASTM B 209, 3003 alloy, H-14

temper. 1. Finish and Thickness: Stucco-embossed finish, 0.016 inch thick. 2. Moisture Barrier: 1-mil- thick, heat-bonded polyethylene and kraft paper. 3. Elbows: Preformed, 45- and 90-degree, short- and long-radius elbows; same material, finish, and

thickness as jacket.

2.04 ACCESSORIES AND ATTACHMENTS

A. Glass Cloth and Tape: Comply with MIL-C-20079H, Type I for cloth and Type II for tape. Woven glass-fiber fabrics, plain weave, presized a minimum of 8 oz./sq. yd.. 1. Tape Width: 4 inches.

B. Bands: 3/4 inch wide, in one of the following materials compatible with jacket: 1. Aluminum: 0.007 inch thick.

C. Wire: 0.080-inch, nickel-copper alloy; 0.062-inch, soft-annealed, stainless steel; or 0.062-inch, soft-annealed, galvanized steel.

2.05 VAPOR RETARDERS

A. Mastics: Materials recommended by insulation material manufacturer that are compatible with insulation materials, jackets, and substrates.

PART 3 EXECUTION

3.01 EXAMINATION

A. Examine substrates and conditions for compliance with requirements for installation and other conditions affecting performance of insulation application.

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

3.02 PREPARATION

A. Surface Preparation: Clean and dry pipe and fitting surfaces. Remove materials that will adversely affect insulation application.

3.03 GENERAL APPLICATION REQUIREMENTS

A. Apply insulation materials, accessories, and finishes according to the manufacturer's written instructions; with smooth, straight, and even surfaces; free of voids throughout the length of piping, including fittings, valves, and specialties.

B. Refer to schedules at the end of this Section for materials, forms, jackets, and thicknesses required for each piping system.



PROJECT NUMBER B-60453A C. Use accessories compatible with insulation materials and suitable for the service. Use accessories that do not

corrode, soften, or otherwise attack insulation or jacket in either wet or dry state.

D. Apply insulation with longitudinal seams at top and bottom of horizontal pipe runs.

E. Apply multiple layers of insulation with longitudinal and end seams staggered.

F. Do not weld brackets, clips, or other attachment devices to piping, fittings, and specialties.

G. Seal joints and seams with vapor-retarder mastic on insulation indicated to receive a vapor retarder.

H. Keep insulation materials dry during application and finishing.

I. Apply insulation with tight longitudinal seams and end joints. Bond seams and joints with adhesive recommended by the insulation material manufacturer.

J. Apply insulation with the least number of joints practical.

K. Apply insulation over fittings, valves, and specialties, with continuous thermal and vapor-retarder integrity, unless otherwise indicated. Refer to special instructions for applying insulation over fittings, valves, and specialties.

L. Hangers and Anchors: Where vapor retarder is indicated, seal penetrations in insulation at hangers, supports, anchors, and other projections with vapor-retarder mastic. 1. Apply insulation continuously through hangers and around anchor attachments. 2. For insulation application where vapor retarders are indicated, extend insulation on anchor legs at least

12 inches from point of attachment to pipe and taper insulation ends. Seal tapered ends with a compound recommended by the insulation material manufacturer to maintain vapor retarder.

3. Install insert materials and apply insulation to tightly join the insert. Seal insulation to insulation inserts with adhesive or sealing compound recommended by the insulation material manufacturer.

4. Cover inserts with jacket material matching adjacent pipe insulation. Install shields over jacket, arranged to protect the jacket from tear or puncture by the hanger, support, and shield.

M. Insulation Terminations: For insulation application where vapor retarders are indicated, taper insulation ends. Seal tapered ends with a compound recommended by the insulation material manufacturer to maintain vapor retarder.

N. Apply adhesives and mastics at the manufacturer's recommended coverage rate.

O. Apply insulation with integral jackets as follows: 1. Pull jacket tight and smooth. 2. Circumferential Joints: Cover with 3-inch- wide strips, of same material as insulation jacket. Secure

strips with adhesive and outward clinching staples along both edges of strip and spaced 4 inches o.c. 3. Longitudinal Seams: Overlap jacket seams at least 1-1/2 inches. Apply insulation with longitudinal

seams at bottom of pipe. Clean and dry surface to receive self-sealing lap. Staple laps with outward clinching staples along edge at 4 inches o.c.

a. Exception: Do not staple longitudinal laps on insulation having a vapor retarder. 4. Vapor-Retarder Mastics: Where vapor retarders are indicated, apply mastic on seams and joints and at

ends adjacent to flanges, unions, valves, and fittings.




5. At penetrations in jackets for thermometers and pressure gages, fill and seal voids with vapor-retarder mastic.

P. Roof Penetrations: Apply insulation for interior applications to a point even with top of roof flashing. 1. Seal penetrations with vapor-retarder mastic. 2. Apply insulation for exterior applications tightly joined to interior insulation ends.

3. Extend metal jacket of exterior insulation outside roof flashing at least 2 inches below top of roof flashing.

4. Seal metal jacket to roof flashing with vapor-retarder mastic.

Q. Exterior Wall Penetrations: For penetrations of below-grade exterior walls, terminate insulation flush with mechanical sleeve seal. Seal terminations with vapor-retarder mastic.

R. Interior Wall and Partition Penetrations: Apply insulation continuously through walls and floors.

S. Fire-Rated Wall and Partition Penetrations: Apply insulation continuously through penetrations of fire-rated walls and partitions. 1. Firestopping and fire-resistive joint sealers are specified in Division 7 Section "Firestopping."

T. Floor Penetrations: Apply insulation continuously through floor assembly. 1. For insulation with vapor retarders, seal insulation with vapor-retarder mastic where floor supports

penetrate vapor retarder.

3.04 MINERAL-FIBER INSULATION APPLICATION

A. Apply insulation to straight pipes and tubes as follows: 1. Where pipe expansion is anticipated, detail expansion compensation for insulation on Drawings and

indicate intervals for its occurrence. See MICA's "National Commercial & Industrial Insulation Standards," Plate No. 41A.

2. Secure each layer of preformed pipe insulation to pipe with wire, tape, or bands without deforming insulation materials.

3. Where vapor retarders are indicated, seal longitudinal seams and end joints with vapor-retarder mastic. Apply vapor retarder to ends of insulation at intervals of 15 to 20 feet to form a vapor retarder between pipe insulation segments.

4. For insulation with factory-applied jackets, secure laps with outward clinched staples at 6 inches o.c. 5. For insulation with factory-applied jackets with vapor retarders, do not staple longitudinal tabs but

secure tabs with additional adhesive as recommended by the insulation material manufacturer and seal with vapor-retarder mastic.

B. Apply insulation to flanges as follows: 1. Apply preformed pipe insulation to outer diameter of pipe flange. 2. Make width of insulation segment the same as overall width of the flange and bolts, plus twice the

thickness of the pipe insulation. 3. Fill voids between inner circumference of flange insulation and outer circumference of adjacent straight

pipe segments with mineral-fiber blanket insulation. 4. Apply canvas jacket material with manufacturer's recommended adhesive, overlapping seams at least 1

inch, and seal joints with vapor-retarder mastic.



PROJECT NUMBER B-60453A C. Apply insulation to fittings and elbows as follows:

1. Apply premolded insulation sections of the same material as straight segments of pipe insulation when available. Secure according to manufacturer's written instructions.

2. When premolded insulation elbows and fittings are not available, apply mitered sections of pipe insulation, or glass-fiber blanket insulation, to a thickness equal to adjoining pipe insulation. Secure insulation materials with wire, tape, or bands.

3. Cover fittings with standard PVC fitting covers. 4. Cover fittings with heavy PVC fitting covers. Overlap PVC covers on pipe insulation jackets at least 1

inch at each end. Secure fitting covers with manufacturer's attachments and accessories. Seal seams with tape and vapor-retarder mastic.

D. Apply insulation to valves and specialties as follows: 1. Apply premolded insulation sections of the same material as straight segments of pipe insulation when

available. Secure according to manufacturer's written instructions. 2. When premolded insulation sections are not available, apply glass-fiber blanket insulation to valve body.

Arrange insulation to permit access to packing and to allow valve operation without disturbing insulation. For check valves, arrange insulation for access to stainer basket without disturbing insulation.

3. Apply insulation to flanges as specified for flange insulation application. 4. Use preformed standard PVC fitting covers for valve sizes where available. Secure fitting covers with

manufacturer's attachments and accessories. Seal seams with tape and vapor-retarder mastic. 5. For larger sizes where PVC fitting covers are not available, seal insulation with canvas jacket and sealing

compound recommended by the insulation material manufacturer.

3.05 CELLULAR-GLASS INSULATION APPLICATION

A. Apply insulation to straight pipes and tubes as follows: 1. Secure each layer of insulation to pipe with wire, tape, or bands without deforming insulation materials. 2. Where vapor retarders are indicated, seal longitudinal seams and end joints with vapor-retarder mastic. 3. For insulation with factory-applied jackets, secure laps with outward clinched staples at 6 inches o.c. 4. For insulation with factory-applied jackets with vapor retarders, do not staple longitudinal tabs but

secure tabs with additional adhesive as recommended by the insulation material manufacturer and seal with vapor-retarder mastic.



pipe segments with cut sections of cellular-glass block insulation of the same thickness as pipe insulation.

4. Apply canvas jacket material with manufacturer's recommended adhesive, overlapping seams at least 1 inch, and seal joints with vapor-retarder mastic.

C. Apply insulation to fittings and elbows as follows: 1. Apply premolded insulation sections of the same material as straight segments of pipe insulation when

available. Secure according to manufacturer's written instructions.




2. When premolded sections of insulation are not available, apply mitered sections of cellular-glass insulation. Secure insulation materials with wire, tape, or bands.

3. Cover fittings with standard PVC fitting covers. 4. Cover fittings with heavy PVC fitting covers. Overlap PVC covers on pipe insulation jackets at least 1

inch at each end. Secure fitting covers with manufacturer's attachments and accessories. Seal seams with tape and vapor-retarder mastic.

D. Apply insulation to valves and specialties as follows: 1. Apply premolded segments of cellular-glass insulation or glass-fiber blanket insulation to valve body.

Arrange insulation to permit access to packing and to allow valve operation without disturbing insulation. For check valves, arrange insulation for access to stainer basket without disturbing insulation.

2. Apply insulation to flanges as specified for flange insulation application. 3. Use preformed standard PVC fitting covers for valve sizes where available. Secure fitting covers with

manufacturer's attachments and accessories. Seal seams with tape and vapor-retarder mastic. 4. Use preformed heavy PVC fitting covers for valve sizes where available. Secure fitting covers with

manufacturer's attachments and accessories. Seal seams with tape and vapor-retarder mastic. 5. For larger sizes where PVC fitting covers are not available, seal insulation with canvas jacket and sealing

compound recommended by the insulation material manufacturer.

3.06 FLEXIBLE ELASTOMERIC THERMAL INSULATION APPLICATION

A. Apply insulation to straight pipes and tubes as follows: 1. Follow manufacturer's written instructions for applying insulation. 2. Seal longitudinal seams and end joints with manufacturer's recommended adhesive. Cement to avoid

openings in insulation that will allow passage of air to the pipe surface.

B. Apply insulation to flanges as follows: 1. Apply pipe insulation to outer diameter of pipe flange. 2. Make width of insulation segment the same as overall width of the flange and bolts, plus twice the


pipe segments with cut sections of sheet insulation of the same thickness as pipe insulation. 4. Secure insulation to flanges and seal seams with manufacturer's recommended adhesive. Cement to

avoid openings in insulation that will allow passage of air to the pipe surface.

C. Apply insulation to fittings and elbows as follows: 1. Apply mitered sections of pipe insulation. 2. Secure insulation materials and seal seams with manufacturer's recommended adhesive. Cement to

avoid openings in insulation that will allow passage of air to the pipe surface.

D. Apply insulation to valves and specialties as follows: 1. Apply preformed valve covers manufactured of the same material as pipe insulation and attached

according to the manufacturer's written instructions. 2. Apply cut segments of pipe and sheet insulation to valve body. Arrange insulation to permit access to

packing and to allow valve operation without disturbing insulation. For check valves, fabricate removable sections of insulation arranged to allow access to stainer basket.

3. Apply insulation to flanges as specified for flange insulation application.




4. Secure insulation to valves and specialties and seal seams with manufacturer's recommended adhesive. Cement to avoid openings in insulation that will allow passage of air to the pipe surface.

3.07 CALCIUM SILICATE INSULATION APPLICATION

A. Apply insulation to straight pipes and tubes as follows: 1. Secure each layer of insulation to pipe with stainless-steel bands at 12-inch intervals and tighten

without deforming insulation materials. 2. Apply two-layer insulation with joints tightly butted and staggered at least 3 inches. Secure inner layer

with 0.062-inch, soft-annealed, stainless-steel wire spaced at 12-inch intervals. Secure outer layer with stainless-steel bands at 12-inch intervals.

3. Apply a skim coat of mineral-fiber, hydraulic-setting cement to surface of installed insulation. When dry, apply flood coat of lagging adhesive and press on one layer of glass cloth or tape. Overlap edges at least 1 inch. Apply finish coat of lagging adhesive over glass cloth or tape. Thin the finish coat to achieve smooth finish.



pipe segments with cut sections of block insulation of the same material and thickness as pipe insulation.

4. Finish flange insulation the same as pipe insulation.

C. Apply insulation to fittings and elbows as follows: 1. Apply premolded insulation sections of the same material as straight segments of pipe insulation when

available. Secure according to manufacturer's written instructions. 2. When premolded sections of insulation are not available, apply mitered sections of calcium silicate

insulation. Secure insulation materials with stainless-steel wire. 3. Finish insulation of fittings the same as pipe insulation.

D. Apply insulation to valves and specialties as follows: 1. Apply mitered segments of calcium silicate insulation to valve body. Arrange insulation to permit

access to packing and to allow valve operation without disturbing insulation. For check valves, arrange insulation for access to strainer basket without disturbing insulation.

2. Apply insulation to flanges as specified for flange insulation application. 3. Finish valve and specialty insulation the same as pipe insulation.

3.08 FIELD-APPLIED JACKET APPLICATION

A. Apply glass-cloth jacket, where indicated, directly over bare insulation or insulation with factory-applied jackets. 1. Apply jacket smooth and tight to surface with 2-inch overlap at seams and joints. 2. Embed glass cloth between two 0.062-inch- thick coats of jacket manufacturer's recommended

adhesive. 3. Completely encapsulate insulation with jacket, leaving no exposed raw insulation.

B. Foil and Paper Jackets: Apply foil and paper jackets where indicated.




1. Draw jacket material smooth and tight. 2. Apply lap or joint strips with the same material as jacket. 3. Secure jacket to insulation with manufacturer's recommended adhesive. 4. Apply jackets with 1-1/2-inch laps at longitudinal seams and 3-inch- wide joint strips at end joints. 5. Seal openings, punctures, and breaks in vapor-retarder jackets and exposed insulation with vapor-

retarder mastic.

C. Apply PVC jacket where indicated, with 1-inch overlap at longitudinal seams and end joints. Seal with manufacturer's recommended adhesive.

D. Apply metal jacket where indicated, with 2-inch overlap at longitudinal seams and end joints. Overlap longitudinal seams arranged to shed water. Seal end joints with weatherproof sealant recommended by insulation manufacturer. Secure jacket with stainless-steel bands 12 inches o.c. and at end joints.

3.09 FINISHES

A. Glass-Cloth Jacketed Insulation: Paint insulation finished with glass-cloth jacket as specified in Division 9 Section "Painting."

B. Flexible Elastomeric Thermal Insulation: After adhesive has fully cured, apply two coats of the insulation manufacturer's recommended protective coating.

C. Color: Final color as selected by Architect. Vary first and second coats to allow visual inspection of the completed Work.

3.10 PIPING SYSTEM APPLICATIONS

A. Insulation materials and thicknesses are specified in schedules at the end of this Section.

B. Items Not Insulated: Unless otherwise indicated, do not apply insulation to the following systems, materials, and equipment: 1. Flexible connectors. 2. Vibration-control devices. 3. Fire-suppression piping. 4. Drainage piping located in crawl spaces, unless otherwise indicated. 5. Chrome-plated pipes and fittings, unless potential for personnel injury.

3.11 FIELD QUALITY CONTROL

A. Inspection: Perform the following field quality-control inspections, after installing insulation materials, jackets, and finishes, to determine compliance with requirements: 1. Inspect fittings and valves randomly selected by Architect. 2. Remove fitting covers from 20 elbows or 1 percent of elbows, whichever is less, for various pipe sizes. 3. Remove fitting covers from 20 valves or 1 percent of valves, whichever is less, for various pipe sizes.

B. Edit paragraph below to limit noncompliance statement as required. As stated, Architect could require all fittings to be removed and replaced.



PROJECT NUMBER B-60453A C. Insulation applications will be considered defective if sample inspection reveals noncompliance with

requirements. Remove defective Work and replace with new materials according to these Specifications.

D. Reinstall insulation and covers on fittings and valves uncovered for inspection according to these Specifications.

3.12 INSULATION APPLICATION SCHEDULE, GENERAL

A. Refer to insulation application schedules for required insulation materials, vapor retarders, and field-applied jackets.

B. Application schedules identify piping system and indicate pipe size ranges and material, thickness, and jacket requirements.

3.13 INTERIOR INSULATION APPLICATION SCHEDULE (AIR CONDITIONED SPACES, INCLUDING MECHANICAL ROOMS)

A. Service: Domestic hot and recirculated hot water. 1. Operating Temperature: 60 to 140 deg F. 2. Insulation Material: Mineral fiber. 3. Insulation Thickness: Apply the following insulation thicknesses:

a. Copper Pipe, Up to 2 inches: 1 inch insulation. b. Copper Pipe, 2-1/2 inches and over: 1-1/2 inch insulation.

4. Field-Applied Jacket: None. 5. Vapor Retarder Required: None. 6. Finish: None.

B. Service: Domestic chilled water. 1. Operating Temperature: 35 to 60 deg F. 2. Insulation Material: Flexible elastomeric. 3. Insulation Thickness: Apply the following insulation thicknesses:

a. Copper Pipe, all pipe sizes: 3/4 insulation

4. Field-Applied Jacket: None. 5. Vapor Retarder Required: Yes. 6. Finish: Painted.

C. Service: Rainwater conductors. Horizontal runs only. 1. Operating Temperature: 32 to 100 deg F. 2. Insulation Material: Mineral fiber. 3. Insulation Thickness: Apply the following insulation thicknesses: a. Cast Iron and PVC Pipe, All: 1/2 inch. 4. Field-Applied Jacket: None. 5. Vapor Retarder Required: No. 6. Finish: None.



PROJECT NUMBER B-60453A D. Service: Roof drain bodies.

1. Operating Temperature: 32 to 100 deg F. 2. Insulation Material: Mineral fiber 3. Insulation Thickness: 1/2 inch. 4. Field-Applied Jacket: None. 5. Vapor Retarder Required: No. 6. Finish: None.

E. Service: Condensate drain piping. 1. Operating Temperature: 35 to 75 deg F. 2. Insulation Material: Flexible elastomeric. 3. Insulation Thickness: 3/4 inch. 4. Field-Applied Jacket: None. 5. Vapor Retarder Required: Yes. 6. Finish: Painted.

F. Service: Exposed sanitary drains and domestic water supplies and stops for fixtures for the disabled. 1. Operating Temperature: 35 to 120 deg F. 2. Insulation Material: Mineral fiber. 3. Insulation Thickness: As per manufacturer. 4. Field-Applied Jacket: PVC P-trap and supply covers. 5. Vapor Retarder Required: No. 6. Finish: Painted.

G. Service: Refrigerant suction and hot-gas piping. 1. Operating Temperature: 35 to 50 deg F. 2. Insulation Material: Flexible elastomeric 3. Insulation Thickness: Apply the following insulation thicknesses:

a. Steel and Copper Pipe – All: 1 inch.

4. Field-Applied Jacket: None. 5. Vapor Retarder Required: Yes. 6. Finish: Painted.

3.14 EXTERIOR INSULATION APPLICATION SCHEDULE (INCLUDING INTERIOR UNAIRCONDITONED CEILING PLENUM SPACE)

A. This application schedule is for aboveground insulation outside the building and inside the building in without air conditioned spaces.

B. Service: Refrigerant suction. 1. Operating Temperature: 35 to 50 deg F. 2. Insulation Material: Flexible elastomeric. 3. Insulation Thickness: Apply the following insulation thicknesses:

a. Copper Pipe : All - 3/4 inch insulation.





4. Field-Applied Jacket: None 5. Vapor Retarder Required: Yes. 6. Finish: Painted.

END OF SECTION



SECTION 15140 - DOMESTIC WATER PIPING

PART 1 GENERAL



1.02 RELATED WORK

B. Division 2 Section “Water Systems” for exterior water service piping.

C. Division 15 Section “Plumbing Specialties” for water distribution piping specialties.

1.03 PERFORMANCE REQUIREMENTS

A. Provide components and installation capable of producing domestic water piping systems with the following minimum working-pressure ratings, unless otherwise indicated: 1. Domestic Water Service Piping: 100 psig. 2. Domestic Water Distribution Piping: 80 psig.

1.04 SUBMITTALS

A. Product Data: For pipe, tube, fittings, and couplings.

B. Water Samples: Specified in "Cleaning" Article in Part 3.

C. Field Test Reports: Indicate and interpret test results for compliance with performance requirements.


A. Piping materials shall bear label, stamp, or other markings of specified testing agency.

B. Comply with ASME B31.9 “Building Services Piping” for materials, products and installation.

C. Comply with NSF 61, "Drinking Water System Components-Health Effects; Sections 1 through 9," for potable domestic water piping and components.

PART 2 PRODUCTS

2.01 PIPING MATERIALS

A. Refer to Part 3 "Piping Applications" Article for applications of pipe, tube, fitting, and joining materials.

B. Transition Couplings for Aboveground Pressure Piping: Coupling or other manufactured fitting the same size as, with pressure rating at least equal to and ends compatible with, piping to be joined.

DOMESTIC WATER PIPING 15140 Rizo Carreño & Partners, Inc. RC&P Project # 08012.00 1 of 6



C. Transition Couplings for Underground Pressure Piping: AWWA C219, metal, sleeve-type coupling or other manufactured fitting the same size as, with pressure rating at least equal to and ends compatible with, piping to be joined.

2.02 COPPER TUBING

A. Soft Copper Tube: ASTM B 88, Types K and L, water tube, annealed temper. 1. Copper Pressure Fittings: ASME B16.18, cast-copper-alloy or ASME B16.22, wrought-copper, solder-

joint fittings. Furnish wrought-copper fittings if indicated. 2. Bronze Flanges: ASME B16.24, Class 150, with solder-joint end. Furnish Class 300 flanges if required

to match piping. 3. Copper Unions: ASME B16.18, cast-copper-alloy, hexagonal-stock body, with ball-and-socket, metal-

to-metal seating surfaces and solder-joint or threaded ends. Include threads conforming to ASME B1.20.1 on threaded ends.

B. Hard Copper Tube: ASTM B 88, Types L , water tube, drawn temper. 1. Copper Pressure Fittings: ASME B16.18, cast-copper-alloy or ASME B16.22, wrought- copper, solder-

joint fittings. Furnish wrought-copper fittings if indicated. 2. Bronze Flanges: ASME B16.24, Class 150, with solder-joint end. Furnish Class 300 flanges if required

to match piping. 3. Copper Unions: ASME B16.18, cast-copper-alloy, hexagonal-stock body, with ball-and-socket, metal-

to-metal seating surfaces and solder-joint or threaded ends. Include threads conforming to ASME B1.20.1 on threaded ends.

2.03 VALVES

A. Refer to Division 15 Section "Valves" for bronze and cast-iron, general-duty valves.

B. Refer to Division 15 Section "Plumbing Specialties" for balancing and drain valves.

PART 3 EXECUTION

3.01 EXCAVATION

A. Refer to Division 2 Section "Earthwork" for excavating, trenching, and backfilling.

3.02 PIPING APPLICATIONS

A Transition and special fittings with pressure ratings at least equal to piping rating may be used in applications below, unless otherwise indicated.

B. Fitting Option: Mechanically formed tee-branch outlets and brazed joints may be used on aboveground copper tubing.

C. Underground Domestic Water Service Piping: Use the following piping materials for each size range: 1. NPS 2and Smaller: Soft copper tube, Type K; copper pressure fittings; and soldered joints. 2. NPS 2-1/2 to NPS 3-1/2: Soft copper tube, Type K: copper pressure fittings; and soldered joints.Retain

"any of" option in paragraph below to allow Contractor to select piping materials from those retained. DOMESTIC WATER PIPING 15140 Rizo Carreño & Partners, Inc. RC&P Project # 08012.00 2 of 6



D. Aboveground Domestic Water Piping: Use the following piping materials for each size range: 1. Retain one or more of five subparagraphs below. If more than one type of material and joining method is

used, identify various materials on Drawings and show points of transition from one material to another. 2. NPS 1-1/2and Smaller: Hard copper tube, Type L; copper pressure fittings; and soldered joints. 3. NPS 2: Hard copper tube, Type L; copper pressure fittings; and soldered joints. 4. NPS 2: Hard copper tube, Type L with grooved ends; copper grooved-end fittings; copper-tubing, keyed

couplings; and grooved joints. 5. NPS 2-1/2 to NPS 3-1/2: Hard copper tube, Type L; copper pressure fittings; and soldered joints. 6. NPS 2-1/2 to NPS 3-1/2: Use NPS 2-1/2 to NPS 4hard copper tube, Type L with groove ends; copper.

3.03 VALVE APPLICATIONS

A. Drawings indicate valve types to be used. Where specific valve types are not indicated, the following requirements apply: 1. Shutoff Duty: Use bronze ball or gate valves for piping NPS 2and smaller. Use cast-iron butterfly or

gate valves with flanged ends for piping NPS 2-1/2and larger. 2. Drain Duty: Hose-end drain valves.

3.04 PIPING INSTALLATION

A. Water piping outside building is specified in Division 2 Section "Water Distribution." Edit below to suit Project.

B. Refer to Division 2 Section "Water Distribution" for site water distribution and service piping.

C. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for basic piping installation.

D. Extend domestic water service piping to exterior water distribution piping in sizes and location indicated.

E. Install underground copper tubing according to CDA's "Copper Tube Handbook."

F. Install cast-iron sleeve with water stop and mechanical sleeve seal at each service pipe penetration through foundation wall. Select number of interlocking rubber links required to make installation watertight. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for sleeves and mechanical sleeve seals.

G. Install wall penetration system at each service pipe penetration through foundation wall. Make installation watertight. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for wall penetration systems.

H. Install shutoff valve, hose-end drain valve, strainer, pressure gage, and test tee with valve, inside building at each domestic water service. Refer to Division 15 Section "Meters and Gages" for pressure gages, and to Division 15 Section "Plumbing Specialties" for drain valves and strainers.

I. Install aboveground domestic water piping level with 0.25 percent slope downward toward drain and plumb.

J. Fill water piping. Check components to determine that they are not air bound and that piping is full of water.

K. Perform the following steps before operation: 1. Close drain valves, hydrants, and hose bibbs. 2. Open shutoff valves to fully open position. 3. Open throttling valves to proper setting.




4. Remove plugs used during testing of piping and plugs used for temporary sealing of piping during installation.

5. Remove and clean strainer screens. Close drain valves and replace drain plugs. 6. Remove filter cartridges from housings, and verify that cartridges are as specified for application where

used and that cartridges are clean and ready for use.

L. Check plumbing equipment and verify proper settings, adjustments, and operation. Do not operate water heaters before filling with water.

M. Check plumbing specialties and verify proper settings, adjustments, and operation. 1. Water-Pressure Regulators: Set outlet pressure at 80 psig maximum, unless otherwise indicated.

N. Energize pumps and verify proper operation.

3.05 JOINT CONSTRUCTION

A. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for basic piping joint construction.

B. Soldered Joints: ASTM B 32, lead-free-alloy solder; SN95, SN94 or E.

C. Grooved Joints: Assemble joints with keyed-coupling housing, gasket, lubricant, and bolts according to coupling and fitting manufacturer's written instructions.

D. Mechanically Formed Outlets: Form tee in copper tube according to equipment manufacturer's written instructions. Use tool designed for copper tube; drill pilot hole, form collar for outlet, dimple tube to form seating stop, and braze branch tube into collar.

3.06 HANGER AND SUPPORT INSTALLATION

A. Refer to Division 15 Section “Hangers and Supports” for pipe hanger and support devices. Install the following: 1. Individual, Straight, Horizontal Piping Runs: According to the following: a. 100 Feet and Less: MSS Type 1, adjustable, steel clevis hangers.

C. Install supports according to Division 15 Section "Hangers and Supports."

D. Support vertical piping and tubing at base and at each floor.

E. Rod diameter may be reduced 1 size for double-rod hangers, to a minimum of 3/8 inch.

F. Install hangers for copper tubing with the following maximum horizontal spacing and minimum rod diameters: 1. NPS 3/4and Smaller: 60 inches with 3/8-inchrod. 2. NPS 1 and NPS 1-1/4: 72 inches with 3/8-inchrod. 3. NPS 1-1/2 and NPS 2: 96 inches with 3/8-inchrod. 4. NPS 2-1/2: 108 inches with 1/2-inchrod.

G. Install supports for vertical copper tubing every 10 feet.

H. Support piping and tubing not listed above according to MSS SP-69 and manufacturer's written instructions.




3.07 CONNECTIONS

A. Coordinate piping installations and specialty arrangements with schematics on Drawings and with requirements specified. If Drawings are explicit enough, these requirements may be reduced or omitted.

B. Drawings indicate general arrangement of piping, fittings, and specialties.

C. Install piping adjacent to equipment and machines to allow service and maintenance.

D. Connect domestic water piping to exterior water service piping. Use transition fitting to join dissimilar piping materials.

E. Connect domestic water piping to service piping with shutoff valve, and extend and connect to the following: 1. Water Heaters: Cold-water supply and hot-water outlet piping in sizes indicated, but not smaller than

sizes of water heater connections. 2. Plumbing Fixtures: Cold- and hot-water supply piping in sizes indicated, but not smaller than required

by plumbing code. Refer to Division 15 Section "Plumbing Fixtures." 3. Equipment: Cold- and hot-water supply piping as indicated, but not smaller than equipment

connections. Provide shutoff valve and union for each connection.


A. Inspect domestic water piping as follows: 1. Do not enclose, cover, or put piping into operation until it is inspected and approved by authorities

having jurisdiction. 2. During installation, notify authorities having jurisdiction at least 24 hours before inspection must be

made. Perform tests specified below in presence of authorities having jurisdiction: a. Roughing-in Inspection: Arrange for inspection of piping before concealing or closing-in after

roughing-in and before setting fixtures. b. Final Inspection: Arrange for final inspection by authorities having jurisdiction to observe tests

specified below and to ensure compliance with requirements.

3. Reinspection: If authorities having jurisdiction find that piping will not pass test or inspection, make required corrections and arrange for reinspection.

4. Reports: Prepare inspection reports and have them signed by authorities having jurisdiction.

B. Test domestic water piping as follows: 1. Test for leaks and defects in new piping and parts of existing piping that have been altered, extended, or

repaired. If testing is performed in segments, submit separate report for each test, complete with diagram of portion of piping tested.

2. Leave uncovered and unconcealed new, altered, extended, or replaced domestic water piping until it has been tested and approved. Expose work that was covered or concealed before it was tested.

3. Cap and subject piping to static water pressure of 50 psig above operating pressure, without exceeding pressure rating of piping system materials. Isolate test source and allow to stand for four hours. Leaks and loss in test pressure constitute defects that must be repaired.

4. Repair leaks and defects with new materials and retest piping or portion thereof until satisfactory results are obtained.

5. Prepare reports for tests and required corrective action.





3.09 ADJUSTING

A. Adjust balancing valves in hot-water-circulation return piping to provide adequate flow. 1. Manually adjust ball-type balancing valves in hot-water-circulation return piping to provide flow of hot

water in each branch. 2. Adjust calibrated balancing valves to flows indicated.

3.10 CLEANING

A. Clean and disinfect potable domestic water piping as follows: 1. Purge new piping and parts of existing domestic water piping that have been altered, extended, or

repaired before using. 2. Use purging and disinfecting procedures prescribed by authorities having jurisdiction or, if methods are

not prescribed, procedures described in either AWWA C651 or AWWA C652 or as described below: a. Flush piping system with clean, potable water until dirty water does not appear at outlets. b. Fill and isolate system according to either of the following:

1) Fill system or part thereof with water/chlorine solution with at least 50 ppm of chlorine. Isolate with valves and allow to stand for 24 hours.

2) Fill system or part thereof with water/chlorine solution with at least 200 ppm of chlorine. Isolate and allow to stand for three hours.

c. Flush system with clean, potable water until no chlorine is in water coming from system after the standing time.

d. Submit water samples in sterile bottles to authorities having jurisdiction. Repeat procedures if biological examination shows contamination.

B. Prepare and submit reports of purging and disinfecting activities.

C. Clean interior of domestic water piping system. Remove dirt and debris as work progresses.

END OF SECTION


PROJECT NUMBER B-60453A SECTION 15150 - SANITARY WASTE AND VENT PIPING

PART 1 GENERAL



1.02 RELATED WORK

A. Division 15 Section “Plumbing Specialties” for soil, waste, and vent piping systems specialties.


A. Provide components and installation capable of producing piping systems with the following minimum working-pressure ratings, unless otherwise indicated:

1. Soil, Waste, and Vent Piping: 10-foot head of water.

1.04 SUBMITTALS


B. Field Test Reports: Indicate and interpret test results for compliance with performance requirements.



B. Comply with ASHE B31.9, “Building Services Piping”, for materials, products and installation.

PART 2 PRODUCTS

2.01 PIPING MATERIALS

A. Refer to Part 3 "Piping Applications" Article for applications of pipe, tube, fitting, and joining materials.

B. Flexible Transition Couplings for Underground Nonpressure Piping: ASTM C 1173 with elastomeric sleeve. Include ends of same sizes as piping to be joined and include corrosion-resistant metal band on each end.

2.02 CAST-IRON SOIL PIPING

A. Hub-and-Spigot Pipe and Fittings: ASTM A 74, Service class. 1. Gaskets: ASTM C 564, rubber, with dimensions required for pipe class, for each hub.

B. Hubless Pipe and Fittings: ASTM A 888 or CISPI 301.

SANITARY WASTE AND VENT PIPING 15150 Rizo Carreño & Partners, Inc. RC&P Project # 08012.00 1 of 5



1. Couplings: ASTM C 1277 assembly of metal housing, corrosion-resistant fasteners, and ASTM C 564 rubber sleeve or gasket with integral, center pipe stop. a. Heavy-Duty, Type 304, Stainless-Steel Couplings: ASTM A 666, Type 304, stainless-steel

shield; or housing stainless-steel clamps. Include gasket.

2.03 COPPER TUBING

A. Copper DWV Tube: ASTM B 306, drainage tube, drawn temper. 1. Copper Drainage Fittings: ASME B16.23, cast copper or ASME B16.29, wrought copper, solder-joint

fittings.

PART 3 EXECUTION

3.01 EXCAVATION


3.02 PIPING APPLICATIONS

A. Transition and special fittings with pressure ratings at least equal to piping pressure ratings may be used in applications below, unless otherwise indicated.

B. Aboveground, Soil, Waste, and Vent Piping: Use the following piping materials for each size range: 1. NPS 1-1/4 and NPS 1-1/2: Use NPS 1-1/2 hubless, cast-iron soil piping and one of the following:

a. Couplings: Heavy-duty, Type 304, stainless steel.

2. NPS 1-1/4 and NPS 1-1/2: Copper DWV tube, copper drainage fittings, and soldered joints. 3. NPS 2 to NPS 6: Service class, cast-iron soil piping; gaskets; and gasketed joints. 4. NPS 2 to NPS 6: Hubless, cast-iron soil piping and one of the following:

a. Couplings: Heavy-duty, Type 304, stainless steel.

C. Underground, Soil, Waste, and Vent Piping: Use the following piping materials for each size range: 1. 2 to 6 inch NPS Hub – and – spigot, cast iron soil pipe, service class; hub and spigot, cast iron soil

pipe fittings, service class, and: compression joints.


A. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for basic piping installation.

B. Install cleanouts at grade and extend to where building sanitary drains connect to building sanitary sewers.

C. Install cast-iron sleeve with water stop and mechanical sleeve seal at each service pipe penetration through foundation wall. Select number of interlocking rubber links required to make installation watertight. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for sleeves and mechanical sleeve seals.

D. Install wall penetration system at each service pipe penetration through foundation wall. Make installation watertight. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for wall penetration systems.



PROJECT NUMBER B-60453A E. Install cast-iron soil piping according to CISPI's "Cast Iron Soil Pipe and Fittings Handbook," Chapter IV,

"Installation of Cast Iron Soil Pipe and Fittings."

F. Make changes in direction for soil and waste drainage and vent piping using appropriate branches, bends, and long-sweep bends. Sanitary tees and short-sweep 1/4 bends may be used on vertical stacks if change in direction of flow is from horizontal to vertical. Use long-turn, double Y-branch and 1/8-bend fittings if 2 fixtures are installed back to back or side by side with common drain pipe. Straight tees, elbows, and crosses may be used on vent lines. Do not change direction of flow more than 90 degrees. Use proper size of standard increasers and reducers if pipes of different sizes are connected. Reducing size of drainage piping in direction of flow is prohibited.

G. Lay buried building drainage piping beginning at low point of each system. Install true to grades and alignment indicated, with unbroken continuity of invert. Place hub ends of piping upstream. Install required gaskets according to manufacturer's written instructions for use of lubricants, cements, and other installation requirements. Maintain swab in piping and pull past each joint as completed.

H. Install soil and waste drainage and vent piping at the following minimum slopes, unless otherwise indicated: 1. Building Sanitary Drain: 2 percent downward in direction of flow for piping NPS 3 and smaller;

1 percent downward in direction of flow for piping NPS 4 and larger. 2. Horizontal Sanitary Drainage Piping: 2 percent downward in direction of flow. 3. Vent Piping: 1 percent down toward vertical fixture vent or toward vent stack.

I. Install engineered soil and waste drainage and vent piping systems in locations indicated and as follows: 1. Combination Waste and Vent: Comply with standards of authorities having jurisdiction. 2. Reduced-Size Venting: Comply with standards of authorities having jurisdiction.

J. Sleeves are not required for cast-iron soil piping passing through concrete slabs-on-grade if slab is without membrane waterproofing.

K. Do not enclose, cover, or put piping into operation until it is inspected and approved by authorities having jurisdiction.


A. Refer to Division 15 Section "Basic Mechanical Materials and Methods" for basic piping joint construction.

B. Cast-Iron, Soil-Piping Joints: Make joints according to CISPI's "Cast Iron Soil Pipe and Fittings Handbook," Chapter IV, "Installation of Cast Iron Soil Pipe and Fittings." 1. Compression Joints: Make with rubber gasket matching class of pipe and fittings. 2. Hubless Joints: Make with rubber gasket and sleeve or clamp.


A. Refer to Division 15 Section "Hangers and Supports" for pipe hanger and support devices. Install the following: 1. Vertical Piping: MSS Type 8 or Type 42, clamps. 2. Individual, Straight, Horizontal Piping Runs: According to the following:

a. MSS Type 1, adjustable, steel clevis hangers.



PROJECT NUMBER B-60453A B. Install supports according to Division 15 Section "Hangers and Supports."

C. Support vertical piping and tubing at base and at each floor.

D. Rod diameter may be reduced 1 size for double-rod hangers, with 3/8-inch (10-mm) minimum rods.

E. Install hangers for cast-iron soil piping with the following maximum horizontal spacing and minimum rod diameters: 1. NPS 1-1/2 and NPS 2: 60 inches with 3/8-inch rod, maximum vertical spacing, 15 feet. 2. NPS 3: 60 inches with 1/2-inch rod, maximum vertical spacing, 15 feet. 3. NPS 4 and NPS 6: 60 inches with 5/8-inch rod. 4. Spacing for 10-foot lengths may be increased to 10 feet. Spacing for fittings is limited to 60 inches.

F. Install supports for vertical cast-iron soil piping every 15 feet.

G. Support piping and tubing not listed above according to MSS SP-69 and manufacturer's written instructions.

3.06 CONNECTIONS

A. Drawings indicate general arrangement of piping, fittings, and specialties.

B. Connect soil and waste piping to exterior sanitary sewerage piping. Use transition fitting to join dissimilar piping materials.

C. Connect drainage and vent piping to the following: 1. Plumbing Fixtures: Connect drainage piping in sizes indicated, but not smaller than required by

plumbing code. Refer to Division 15 Section "Plumbing Fixtures." 2. Plumbing Fixtures and Equipment: Connect atmospheric vent piping in sizes indicated, but not smaller

than required by authorities having jurisdiction. 3. Plumbing Specialties: Connect drainage and vent piping in sizes indicated, but not smaller than

required by plumbing code. Refer to Division 15 Section "Plumbing Specialties." 4. Equipment: Connect drainage piping as indicated. Provide shutoff valve, if indicated, and union for

each connection. Use flanges instead of unions for connections NPS 2-1/2 (DN 65) and larger.


A. During installation, notify authorities having jurisdiction at least 24 hours before inspection must be made. Perform tests specified below in presence of authorities having jurisdiction. 1. Roughing-in Inspection: Arrange for inspection of piping before concealing or closing-in after

roughing-in and before setting fixtures. 2. Final Inspection: Arrange for final inspection by authorities having jurisdiction to observe tests specified

below and to ensure compliance with requirements.

B. Reinspection: If authorities having jurisdiction find that piping will not pass test or inspection, make required corrections and arrange for reinspection.

C. Reports: Prepare inspection reports and have them signed by authorities having jurisdiction.





D. Test sanitary drainage and vent piping according to procedures of authorities having jurisdiction or, in absence of published procedures, as follows: 1. Test for leaks and defects in new piping and parts of existing piping that have been altered, extended, or


2. Leave uncovered and unconcealed new, altered, extended, or replaced drainage and vent piping until it has been tested and approved. Expose work that was covered or concealed before it was tested.

3. Roughing-in Plumbing Test Procedure: Test drainage and vent piping, except outside leaders, on completion of roughing-in. Close openings in piping system and fill with water to point of overflow, but not less than 10-foot head of water (30 kPa). From 15 minutes before inspection starts to completion of inspection, water level must not drop. Inspect joints for leaks.

4. Finished Plumbing Test Procedure: After plumbing fixtures have been set and traps filled with water, test connections and prove they are gastight and watertight. Plug vent-stack openings on roof and building drains where they leave building. Introduce air into piping system equal to pressure of 1-inch wg (250 Pa). Use U-tube or manometer inserted in trap of water closet to measure this pressure. Air pressure must remain constant without introducing additional air throughout period of inspection. Inspect plumbing fixture connections for gas and water leaks.

5. Repair leaks and defects with new materials and retest piping, or portion thereof, until satisfactory results are obtained.


3.08 CLEANING

A. Clean interior of piping. Remove dirt and debris as work progresses.

B. Protect drains during remainder of construction period to avoid clogging with dirt and debris and to prevent damage from traffic and construction work.

C. Place plugs in ends of uncompleted piping at end of day and when work stops.

END OF SECTION


PROJECT NUMBER B-60453A SECTION 15160 - STORM DRAINAGE PIPING

PART 1 GENERAL



1.02 SUMMARY

A. Related Sections include the following: 1. Division 15 Section "Sump Pumps."

2. Division 15 Section “Plumbing Specialties” for Storm Drainage Piping System Specialties.


A. Components and installation shall be capable of withstanding the following minimum working-pressure, unless otherwise indicated: 1. Storm Drainage Piping” 10-foot head of water.

1.04 SUBMITTALS


B. Shop Drawings: 1. Design Calculations: Signed and sealed by a qualified professional engineer for selecting seismic

restraints. 2. Controlled-Flow Storm Drainage System: Include calculations, plans and details.

C. Field quality-control inspection and test reports. 1.05 QUALITY ASSURANCE


B. Comply with NSF 14, "Plastics Piping Systems Components and Related Materials," for plastic piping components. Include marking with "NSF-drain" for plastic drain piping and "NSF-sewer" for plastic sewer piping.

PART 2 PRODUCTS 2.01 PIPING MATERIALS A. Refer to Part 3 "Piping Applications" Article for applications of pipe, tube, fitting, and joining materials.

STORM DRAINAGE PIPING 15160 Rizo Carreño & Partners, Inc. RC&P Project # 08012.00 1 of 7


PROJECT NUMBER B-60453A 2.02 HUB-AND-SPIGOT, CAST-IRON SOIL PIPE AND FITTINGS A. Pipe and Fittings: ASTM A 74, Service class. B. Gaskets: ASTM C 564, rubber. C. Calking Materials: ASTM B 29, pure lead and oakum or hemp fiber. 2.03 HUBLESS CAST-IRON SOIL PIPE AND FITTINGS

A. Pipe and Fittings: ASTM A 888 or CISPI 301.

B. Couplings: ASTM C 1277 assembly of metal shield or housing, corrosion-resistant fasteners, and rubber sleeve with integral, center pipe stop.

1. Heavy-Duty, Type 304, Stainless-Steel Couplings ASTM A 666: With stainless-steel shield, stainless-steel bands and tightening devices, and ASTM C 564, rubber sleeve.

a. Manufacturers: 1) Clamp-All Corp. 2) Mission Rubber Co. 3) Tyler Pipe; Soil Pipe Div.

2.04 STEEL PIPE A. Steel Pipe: ASTM A 666, Type 304, Stainless steel housing or shield and stainless steel clamp; include basket. 2.05 COPPER TUBING A. Copper DWV Tube: ASTM B 306, drainage tube, drawn temper.

1. Copper Drainage Fittings: ASME B16.23, cast copper or ASME B16.29, wrought copper, solder-joint fittings.

2. Copper Pressure Fittings: ASME B16.18, cast-copper-alloy or ASME B16.22, wrought-copper, solder-joint fittings. Furnish wrought-copper fittings if indicated.

3. Copper Flanges: ASME B16.24, Class 150, cast copper with solder-joint end. 4. Copper Unions: MSS SP-123, copper-alloy, hexagonal-stock body with ball-and-socket, metal-to-

metal seating surfaces, and solder-joint or threaded ends.

PART 3 EXECUTION 3.01 EXCAVATION




PROJECT NUMBER B-60453A 3.02 PIPING APPLICATIONS

A. Flanges and unions may be used on aboveground pressure piping, unless otherwise indicated.

B. Aboveground storm drainage piping NPS 2 to NPS 6. 1. Service class, cast-iron soil pipe and fittings; gaskets; and gasketed joints.

2. Hubless cast-iron soil pipe and fittings; standard and heavy-duty shielded, stainless-steel couplings; and coupled joints.

C. Aboveground, storm drainage piping NPS 8 and larger. 1. Service class, cast-iron soil pipe and fittings; gaskets; and gasketed joints. 2. Hubless cast-iron soil pipe and fittings; standard and heavy-duty shielded, stainless-steel couplings;

and coupled joints.

D. Underground storm drainage piping NPS 3 to NPS 8. 1. Service class, cast-iron soil pipe and fittings; joints. 2. Hubless cast-iron soil pipe and fittings; standard and heavy-duty shielded, stainless-steel couplings;

and coupled joints.

E. Underground, storm drainage piping NPS 8 and larger. 1. Service class, cast-iron soil pipe and fittings; gaskets joints. 2. Hubless cast-iron soil pipe and fittings; standard couplings; and coupled joints.


A. Storm sewer and drainage piping outside the building are specified in Division 2 Section "Storm Drainage."

B. Basic piping installation requirements are specified in Division 15 Section "Basic Mechanical Materials and Methods."

C. Install cleanouts at grade and extend to where building storm drains connect to building storm sewers. Cleanouts are specified in Division 15 Section "Plumbing Specialties."

D. Install cleanout fitting with closure plug inside the building in storm drainage force-main piping. 1. Install encasement on piping according to ASTM A 674 or AWWA C105. 2. Install encasement on piping according to ASTM A 674 or AWWA C105.

E. Install cast-iron sleeve with water stop and mechanical sleeve seal at each service pipe penetration through foundation wall. Select number of interlocking rubber links required to make installation watertight. Sleeves and mechanical sleeve seals are specified in Division 15 Section "Basic Mechanical Materials and Methods."

F. Install wall-penetration fitting system at each service pipe penetration through foundation wall. Make installation watertight.

G. Install cast-iron soil piping according to CISPI's "Cast Iron Soil Pipe and Fittings Handbook," Chapter IV, "Installation of Cast Iron Soil Pipe and Fittings." 1. Install encasement on underground piping according to ASTM A 674 or AWWA C105.



PROJECT NUMBER B-60453A H. Make changes in direction for storm drainage piping using appropriate branches, bends, and long-sweep bends.

Do not change direction of flow more than 90 degrees. Use proper size of standard increasers and reducers if pipes of different sizes are connected. Reducing size of drainage piping in direction of flow is prohibited.

I. Lay buried building storm drainage piping beginning at low point of each system. Install true to grades and alignment indicated, with unbroken continuity of invert. Place hub ends of piping upstream. Install required gaskets according to manufacturer's written instructions for use of lubricants, cements, and other installation requirements. Maintain swab in piping and pull past each joint as completed.

J. Install storm drainage piping at the following minimum slopes, unless otherwise indicated: 1. Building Storm Drain: 2 percent downward in direction of flow for piping less than 3” and smaller;

1 percent downward in direction of flow for piping NPS 3 and larger.

K. Sleeves are not required for cast-iron soil piping passing through concrete slabs-on-grade if slab is without membrane waterproofing.

L. Do not enclose, cover, or put piping into operation until it is inspected and approved by authorities having jurisdiction.


A. Basic piping joint construction requirements are specified in Division 15 Section "Basic Mechanical Materials and Methods."

B. Hub-and-Spigot, Cast-Iron Soil Piping Gasketed Joints: Join according to CISPI's "Cast Iron Soil Pipe and Fittings Handbook" for compression joints.

C. Hub-and-Spigot, Cast-Iron Soil Piping Calked Joints: Join according to CISPI's "Cast Iron Soil Pipe and Fittings Handbook" for lead and oakum calked joints.

D. Hubless Cast-Iron Soil Piping Coupled Joints: Join according to CISPI 310 and CISPI's "Cast Iron Soil Pipe and Fittings Handbook" for hubless-coupling joints.

E. Soldered Joints: Use ASTM B 813, water-flushable, lead-free flux; ASTM B 32, lead-free-alloy solder; and ASTM B 828 procedure, unless otherwise indicated.

3.05 VALVE INSTALLATION

A. General valve installation requirements are specified in Division 15 Section "Valves."

B. Shutoff Valves: Install shutoff valve on each sump pump discharge. 1. Install gate or full-port ball valve for piping NPS 2 (DN 50) and smaller. 2. Install gate valve for piping NPS 2-1/2 (DN 65) and larger.

C. Check Valves: Install swing check valve, between pump and shutoff valve, on each sump pump discharge.

D. Backwater Valves: Install backwater valves in piping subject to backflow. 1. Horizontal Piping: Horizontal backwater valves. Use normally closed type, unless otherwise indicated. 2. Install backwater valves in accessible locations.




3. Backwater valve are specified in Division 15 Section "Plumbing Specialties."


A. Pipe hangers and supports are specified in Division 15 Section "Hangers and Supports." Install the following: 1. Vertical Piping: MSS Type 8 or Type 42, clamps. 2. Individual, Straight, Horizontal Piping Runs: According to the following: a. 100 Feet (30 m) and Less: MSS Type 1, adjustable, steel clevis hangers.

b. Longer than 100 Feet (30 m): MSS Type 43, adjustable roller hangers. c. Longer than 100 Feet (30 m), if indicated: MSS Type 49, spring cushion rolls.

3. Multiple, Straight, Horizontal Piping Runs 100 Feet (30 m) or Longer: MSS Type 44, pipe rolls. Support pipe rolls on trapeze.

4. Base of Vertical Piping: MSS Type 52, spring hangers.

B. Install supports according to Division 15 Section "Hangers and Supports."

C. Support vertical piping and tubing at base and at each floor.

D. Rod diameter may be reduced 1 size for double-rod hangers, with 3/8-inch (10-mm) minimum rods.

E. Install hangers for cast-iron soil piping with the following maximum horizontal spacing and minimum rod diameters: 1. NPS 1-1/2 and NPS 2 (DN 40 and DN 50): 60 inches (1500 mm) with 3/8-inch (10-mm) rod. 2. NPS 3 (DN 80): 60 inches (1500 mm) with 1/2-inch (13-mm) rod. 3. NPS 4 and NPS 5 (DN 100 and DN 125): 60 inches (1500 mm) with 5/8-inch (16-mm) rod.

4. NPS 6 (DN 150): 60 inches (1500 mm) with 3/4-inch (19-mm) rod. 5. NPS 8 to NPS 12 (DN 200 to DN 300): 60 inches (1500 mm) with 7/8-inch (22-mm) rod. 6. Spacing for 10-foot (3-m) lengths may be increased to 10 feet (3 m). Spacing for fittings is limited to

60 inches (1500 mm).

F. Install supports for vertical cast-iron soil piping every 15 feet (4.5 m).

G. Install hangers for steel piping with the following maximum horizontal spacing and minimum rod diameters: 1. NPS 1-1/4 (DN 32): 84 inches (2100 mm) with 3/8-inch (10-mm) rod. 2. NPS 1-1/2 (DN 40): 108 inches (2700 mm) with 3/8-inch (10-mm) rod. 3. NPS 2 (DN 50): 10 feet (3 m) with 3/8-inch (10-mm) rod. 4. NPS 2-1/2 (DN 65): 11 feet (3.4 m) with 1/2-inch (13-mm) rod. 5. NPS 3 (DN 80): 12 feet (3.7 m) with 1/2-inch (13-mm) rod. 6. NPS 4 and NPS 5 (DN 100 and DN 125): 12 feet (3.7 m) with 5/8-inch (16-mm) rod. 7. NPS 6 (DN 150): 12 feet (3.7 m) with 3/4-inch (19-mm) rod. 8. NPS 8 to NPS 12 (DN 200 to DN 300): 12 feet (3.7 m) with 7/8-inch (22-mm) rod.

H. Install supports for vertical steel piping every 15 feet (4.5 m).

I. Install hangers for copper tubing with the following maximum horizontal spacing and minimum rod diameters: 1. NPS 1-1/4 (DN 32): 72 inches (1800 mm) with 3/8-inch (10-mm) rod. 2. NPS 1-1/2 and NPS 2 (DN 40 and DN 50): 96 inches (2400 mm) with 3/8-inch (10-mm) rod.




3. NPS 2-1/2 (DN 65): 108 inches (2700 mm) with 1/2-inch (13-mm) rod. 4. NPS 3 to NPS 5 (DN 80 to DN 125): 10 feet (3 m) with 1/2-inch (13-mm) rod.

5. NPS 6 (DN 150): 10 feet (3 m) with 5/8-inch (16-mm) rod. 6. NPS 8 (DN 200): 10 feet (3 m) with 3/4-inch (19-mm) rod.

J. Install supports for vertical copper tubing every 10 feet (3 m).

K. Support piping and tubing not listed above according to MSS SP-69 and manufacturer's written instructions. 3.07 CONNECTIONS

A. Drawings indicate general arrangement of piping, fittings, and specialties.

B. Connect interior storm drainage piping to exterior storm drainage piping. Use transition fitting to join dissimilar piping materials.

C. Connect storm drainage piping to roof drains and storm drainage specialties.

D. Connect force-main piping to the following: 1. Storm Sewer: To exterior force main or storm manhole. 2. Sump Pumps: To sump pump discharge.


A. During installation, notify authorities having jurisdiction at least 24 hours before inspection must be made. Perform tests specified below in presence of authorities having jurisdiction. 1. Roughing-in Inspection: Arrange for inspection of piping before concealing or closing-in after

roughing-in. 2. Final Inspection: Arrange for final inspection by authorities having jurisdiction to observe tests specified

below and to ensure compliance with requirements.

B. Reinspection: If authorities having jurisdiction find that piping will not pass test or inspection, make required corrections and arrange for reinspection.

C. Reports: Prepare inspection reports and have them signed by authorities having jurisdiction.

D. Test storm drainage piping according to procedures of authorities having jurisdiction or, in absence of published procedures, as follows: 1. Test for leaks and defects in new piping and parts of existing piping that have been altered, extended, or


2. Leave uncovered and unconcealed new, altered, extended, or replaced storm drainage piping until it has been tested and approved. Expose work that was covered or concealed before it was tested.

3. Test Procedure: Test storm drainage piping, except outside leaders, on completion of roughing-in. Close openings in piping system and fill with water to point of overflow, but not less than 10-foot head of water (30 kPa). From 15 minutes before inspection starts to completion of inspection, water level must not drop. Inspect joints for leaks.







E. Test force-main piping according to procedures of authorities having jurisdiction or, in absence of published procedures, as follows: 1. Leave uncovered and unconcealed new, altered, extended, or replaced force-main piping until it has

been tested and approved. Expose work that was covered or concealed before it was tested. 2. Cap and subject piping to static-water pressure of 50 psig (345 kPa) above operating pressure, without

exceeding pressure rating of piping system materials. Isolate test source and allow to stand for four hours. Leaks and loss in test pressure constitute defects that must be repaired.



3.09 CLEANING

A. Clean interior of piping. Remove dirt and debris as work progresses.

B. Protect drains during remainder of construction period to avoid clogging with dirt and debris and to prevent damage from traffic and construction work.

C. Place plugs in ends of uncompleted piping at end of day and when work stops.

END OF SECTION



SECTION 15180 - MECHANICAL SYSTEMS INSULATION PART 1 GENERAL 1.01 SUMMARY A. Related Sections: 1. 15510 - Piping (HVAC). 2. 15410 - Piping (Plumbing). 3. 15110 - Valves. 4. 15060 - Hangers and Supports. 5. 15810 - Ductwork. 6. 15841 - Low Pressure Ductwork. 1.02 REFERENCES A. American Society for Testing and Materials (ASTM): 1. C534-94 Specification for Preformed Flexible Elastomeric Cellular Thermal Insulation in Sheet and Tubular

Form. 2. C547-95 specification for Mineral Fiber Pipe Insulation. 3. C552-91 Specification for Cellular Glass Thermal Insulation. 4. C553-92 Specification for Mineral Fiber Blanket Thermal Insulation for Commercial and Industrial

Applications. 5. C585-90 Practice for Inner and Outer Diameters of Rigid Thermal Insulation for Nominal Sizes of Pipe and

Tubing (NPS System). 6. C612-93 Specification for Mineral Fiber Block and Board Thermal Insulation. 7. D1056-91 Specification for Flexible Cellular Materials-Sponge or Expanded Rubber. 8. D1668-95 Specification for Glass Fabrics (Woven and Treated) for Roofing and Waterproofing. 9. E84-96a Test Method for Surface Burning characteristics of Building Materials. 10. E96-95 Test Methods for Water Vapor Transmission of Materials. A. National Bureau of Standards (NBS). B. National Fire Protection Institute: NFPA 90A. C. Underwriters Laboratories (UL) - 723. D. Insulation Contractor’s Association of South Florida Inc. 1.03 SUBMITTALS A. Submit properly identified manufacturer's catalog cuts, performance curves, and procedures before starting work. 1.04 DELIVERY AND STORAGE A. Protect materials from the weather during storage and installation.

MECHANICAL SYSTEMS INSULATION 15180 Rizo Carreño & Partners, Inc. RC&P Project # 08012.00 1 of 10




1.05 QUALITY ASSURANCE A. Materials shall be labeled, listed, or have certified test reports submitted from testing laboratory accepted by the

Owner. B. Comply with the most stringent requirements between the Insulation Contractors Association of South Florida Inc. and

as specified. C. There shall be no fiberglass in contact with the HVAC airstream anywhere in the system whether protected by

encapsulation or not. D. Foam plastic insulation shall be certified by an independent third-party national recognized laboratory, that the

product emits less than 1 part per million formaldehyde out gassing after 24 hours. 1.06 FIRE HAZARD RATING A. Fire hazard rated materials shall be UL labeled or a certified test report by a Owner accepted testing laboratory shall be

submitted indicating compliance with specified fire hazard requirements. B. Insulation (including adhesives) shall be fire retardant or self-extinguishing. Finishing jackets, insulation, and

adhesives shall have composite fire and smoke ratings complying with ASTM E84, NFPA 255, and UL 723, as plain or on a composite basis.

C. When insulation, vapor barrier covering, wrapping materials, and adhesives are applied separately in field, each item

shall be tested individually. D. When insulation, vapor barrier covering, wrapping materials, and adhesives are factory composite systems, they shall

be tested as an assembly. E. Insulation materials, adhesives, coatings, and other accessories shall have a fire hazard rating not more than 25 for

flame developed and not more than 50 for fuel contributed and smoke developed, except as follows: 1. Flexible unicellular insulation. 2. Nylon anchors for securing insulation to ducts or equipment. 3. Factory premolded 1 piece PVC fitting and valve covers F. Flame resistance treatments subject to deterioration due to effects of moisture or high humidity are not acceptable.




PART 2 PRODUCTS 2.01 MANUFACTURERS A. Insulation: 1. Armaflex. 2. Armstrong. 3. Certain-Teed. 4. Cell-U-Foam. 5. Foamglas. 6. Manville. 7. Owens-Corning. 8. Pittsburgh Corning. B. Insulating Cement: 1. Keene Powerhouse. 2. Benjamin Foster. 3. Fibrex FBX fast set. 2.02 MATERIALS A. Insulation: Type and thickness as specified. 1. Provide fire retardant or self-extinguishing insulation, including adhesives. 2. Finishing jackets, insulation, and adhesives shall have composite fire and smoke ratings per ASTM E84,

NFPA 255, and UL 723. B. Domestic Hot Water Supply Piping Insulation: 1. 1" thick molded fiberglass insulation with pre-sized factory applied FRJ jacket of glass cloth with

longitudinal lap and butt joint strips with self-sealing adhesive. 2. Insulation may be 1/2" insulation for vertical branches to individual fixtures. 3. Minimum density of 7-1/4 pounds per cubic foot, maximum thermal conductivity factor of 0.26K at 75

degrees F. mean temperature, and alkalinity of 0.696. 4. Flame Spread: 25 or less. 5. Smoke Developed: 50 or less. 6. Accessories: Adhesives, mastics, cements, tapes for fittings, and related materials shall have the same

composite ratings as listed above. C. Solar Collector Piping Insulation: 1. Same as specified for Domestic Hot Water Supply Piping except with metal weatherproof jacket. D. Cold Drainage Piping Drinking Fountain, and Electric Water Cooler Drain Piping Insulation:

1. Elastomeric (foam plastic) thermal insulation 1 inch thick with built-in vapor barrier rated self-extinguishing




ASTM D1056. 2. Maximum thermal conductivity factor of 0.26K at 70 degrees F. mean temperature, density of 5-6 pounds

per cubic foot, and a water vapor transmission of 0.1 perms. E. Emergency Generator Exhaust and Gas Boiler Flue Insulation: 1. 3 inches thick hydrous calcium silicate on pipe, fittings, and muffler. 2. 3 inches thick Temp Matt on flexible connections. 3. Fasteners: 14 gage galvanized iron wire on 9 inch centers. 4. Fittings: Fabricated from pipe insulation. 5. Finish: 1200 degree F. glass cloth.

6. Maximum thermal conductivity factor of 0.5 K at 500 degrees F. mean temperature and a density of 11 pounds per cubic foot.

F. Hot Water Storage Tank Insulation: 1. 3 inch thick block insulation with V-grooves. 2. Secure with 24 gage galvanized wire or 1/2" wide galvanized bands on 12 inch centers. 3. Finish with exposed smooth coat of insulating cement and when dry apply Foster GPM mastic with glass

cloth reinforcing. G. Heat Exchanger Insulation: 1. 1-1/2" thick calcium silicate applied in sectional form or lags cut to fit, apply dry. 2. Fasteners: 24 gage galvanized wire or 1/2" wide galvanized bands on 12 inch centers. 3. Finish: Smooth coat of insulating cement and finish with 1200 degrees F glass cloth applied with fire

resistant adhesive. H. Density of 14 lbs. per cubic foot and factor thermal conductivity of 0.42K. I. Tape: As recommended by the insulation manufacturer or 3M adhesive EC-1329. J. Insulating Cement: All-purpose mineral wool cement. K. Glass Cloth Jacket: Factory sized white, standard weight, with 1-1/2" minimum longitudinal pressure sealing lap and

seal strips for butt joints. L. Vapor Barrier Jacket: 1. Flame resistant glass fiber adhered to outside of a 1 mil aluminum foil sheet with longitudinal pressure

sealing lap and seal strips for butt joints. 2. End cement perm rating shall not exceed 0.05. M. Weatherproof Metal Jacket (Exterior Above Ground Only): 1. Damage and corrosion resistant, longitudinal seam closure, joint construction capable of locking insulation

and jacket securely in place.




2. Seal and weatherproof butt joints with factory supplied 2 inch wide "snap-straps" lined with plastic sealing compound secured with outer holding band.

3. Jacket Material: O.016 aluminum. N. Molded Fiberglass Pipe Insulation: 1. Rigid molded sectional pipe covering with integral factory jacket. 2. Comply with ASTM C547. 3. Maximum Thermal Conductivity: 0.23K factor at 75 degrees F. mean temperature. 4. Alkalinity: Less than 0.6 percent. O. Foamed Plastic Insulation: 1. Closed cell. 2. Comply with ASTM C534. 3. Maximum Thermal Conductivity: 0.27K factor at 75 degrees F. mean temperature. 4. Water Vapor Permeability: 0.1 perms. P. Cellular Glass Insulation: 1. Comply with ASTM C552 2. Maximum Thermal Conductivity: 0.33 K factor at 75 degrees F. 3. Water Vapor Permeability: 0.00 perm-in. Q. Flexible Fiberglass Ductwrap Blanket Insulation: 1. 2.2/2.3 inches thick, 3/4" pcf density fiberglass blanket with UL approved aluminum foil vapor seal facing

reinforced with fiberglass scrim, laminated to 30 lb. kraft paper, R = 6.5. 2. Comply with ASTM C553, TYPE I, Class B-4. 3. Maximum Thermal Conductivity: 0.24K factor at 75 degrees F. R. Rigid Fiberglass Ductboard Insulation: 1. Comply with ASTM C612. 2. Maximum Thermal Conductivity: 0.24K factor at 75 degrees F. 3. Provide scrim foil facing having a minimum 3 pcf density, 2 inches thick. S. Accessories: 1. The following accessories shall be used in the application of thermal insulation: a. PVC fittings cover and PVC jacketing: 1) Certain-Teed "Snap Form". 2) Manville Corp. "Zeston". 3) Proto. b. Vapor Seal Mastic: 1) Benjamin Foster 30-86 or 30-25. 2) Childers CP-30.




c. Lagging Adhesive: 1) Benjamin Foster 81-42W. 2) Childers CP-50. d. Breather Mastic: 1) Benjamin Foster 45-00 or 30-86. 2) Childers CP-10. e. Insulation Bonding Adhesive (to metal): 1) Benjamin Foster 85-20, or 85-15. 2) Childers CP-82. f. Insulating and Finishing Cement: 1) Fibrex Inc. FBX Super Blend Cement. 2) Manville Corp. No.375 Insulating and Finishing Cement. 3) Keene Corp. Super Powerhouse. g. Coatings: Sealfas G-P-M mastic or accepted equivalent. h. Fire Resistive Mastic: As manufactured by Benjamin Foster or accepted equivalent. i. Sealants: 81-33 as manufactured by Benjamin Foster or accepted equivalent. j. Staples: Type 304 or 316 stainless steel outward clinching type. k. Wire: 16 gage, copper weld wire. l. Bands: 3/4 by 0.015" thick galvanized steel. m. Glass Fabric: 1) Woven open mesh type glass fabric conforming to ASTM D1668. 2) Type I asphalt treated for below ground use. 3) Type III light color organic resin treated for aboveground or below ground use. n. Insulation Jackets: 1) Jackets inside building shall comply with fire hazard classifications as specified.

Insulation jackets shall not support mold growth. 2) Vapor Barrier Jackets:

a) For Cold Pipelines (-30 degrees F. to 60 degrees F.): Perm rating not more than 0.05, ASTM E96, Procedure A. Puncture resistance not less than 50 beach units.

b) For Air-conditioning Ducts: Perm rating not more than 0.05, ASTM E96, Procedure A. Puncture resistance not less than 25 beach units.

2.03 SYSTEMS INSULATION BY TYPE A. Interior Domestic Hot Water Supply/Return Piping Insulation:




1. Molded Fiberglass Pipe Insulation: 1 inch thick with pre-sized factory applied FRJ jacket of glass cloth with longitudinal lap and butt joint strips with self-sealing adhesive.

2. Contractor's Option: Foamed plastic insulation, 1 inch thick. B. Electric Water Cooler Drain, Cold Drainage Piping Refrigerant Suction Piping, and Interior Condensate Drain Piping

Insulation: 1. Foamed Plastic Insulation: 1 inch thick with field applied vapor barrier mastic at joints. C. Interior Concealed Ductwork Insulation: 1. Flexible fiberglass Ductwrap Blanket Insulation: a. 2.2 inches thick, 3/4 pcf density. b. 2.0 inches thick, 1-1/2 pcf density. D. Interior or Exterior Exposed Ductwork Insulation: 1. Rigid Fiberglass Ductboard Insulation: 2 inches thick, 3 pcf density, with field applied fab and mastic finish consisting of a 10 x 10 glass fabric imbedded in 2 coats of a white breather weather barrier mastic. PART 3 EXECUTION 3.01 INSTALLATION A. Install insulation according to applicable codes and regulations. B. Except as specified, install materials according to manufacturer's recommendations and specifications for obtaining

conformance to construction documents. C. Packages or standard containers of insulation, jacket material, cements, adhesives, and coatings delivered for use and

samples required for acceptance shall have manufacturer's stamp or label attached listing manufacturer, brand name, and a description of material.

D. Provide allowances for expansion/contraction, and wall and manhole penetrations. E. Run continuous through wall, floor, and ceiling penetrations. F. Insulation materials shall not be applied until: 1. Test results specified in other sections of these specifications are completed and accepted. 2. Rust, scale, dirt, and any other foreign material have been removed. 3. Ductwork or piping material are clean, dry, joints firmly butted together, and tightly sealed at all joints,

seams, and fittings. G. Wrap butt joints with a 3 inch wide strip of the same material as the jacket.




H. Provide aluminum jackets over the insulation where sealant is required. I. Insulation shall be kept clean and dry at all times. J. Duct Materials: 1. Internal duct lining is not allowed. 2. Duct materials solid exposed to the airflow shall be noncombustible metal. 3. Duct insulation for thermal or acoustical purposes shall be separated from airflows by solid metal. 4. Provide natural noise attenuation procedures, as recommended in ASHRAE, Sheet Metal and Air

Conditioning Contractors' National Association (SMACNA), and industry good engineering practices. 5. Fiberglass ducts or ductboards shall not be used to convey air. K. Protection Shield: Where pipe or tubing insulation pass through hangers, provide: 1. For Piping 4 inches and smaller: A protection shield, 180 degree arc, 16 gage galvanized sheet metal

covering, minimum 12 inches long. 2. For Piping Larger than 4 inch diameter: A protection shield, 180 degree arc, 16 gage galvanized sheet metal

covering, minimum 18 inches long. 3. Hangers not exceeding maximum spacing distances recommended by insulation manufacturer to prevent

crushing or compressing insulation. L. Ductwork sizes shown on drawings are actual internal "air side" dimensions. M. Flanges, Fittings, and Valves on Insulated Piping: 1. Provide pre-molded glass fiber fittings wired or taped on and adhered with canvas jacket. 2. Terminate insulation and jacket neatly and finish with insulating cement troweled to a bevel and of the same

thickness as adjoining insulation. 3. Vapor seal insulation on cold systems. N. Vapor Barriers: 1. Intact and continuous. 2. Do not install with staples. O. Omit Pipe Insulation From the Following: 1. Screwed unions, except at "cold drains" and air- conditioning wastes. Terminate insulation neatly at both

sides of unions with insulation cement. 2. Discharge lines from safety and relief valves. 3. Nickel or chrome plated piping. P. All ductwork shall be insulated, except as noted below: 1. Outside air intake ductwork. 2. Exhaust air ductwork.




3. Supply air ductwork, exposed in air-conditioned spaces. (Note: Ceiling plenums, and mechanical equipment rooms are not to be considered air-conditioned spaces.)

Q. Ceiling supply air registers located on perimeter rooms and corridors shall be field insulated with flexible fiberglass

ductwrap insulation as specified. Insulation shall cover the upper body and installation flanges. R. All appurtenances subject to condensation shall be protected as necessary and covered with vapor seal mastic. 3.02 APPLICATIONS A. Molded Fiberglass Pipe Insulation Installation (Hot Water Supply/Return): 1. Tightly butt together sections of insulation on pipe runs sealing longitudinal seams of jacket with self-

sealing laps. Position longitudinal seam so seam is on bottom to prevent dirt and moisture infiltration. Seal end joints with 3 inch wide straps of vapor barrier tape. Seal ends of insulation with vapor seal mastic at valves, fittings and flanges.

2. Cover valves, fittings, and flanges with insulation similar to adjacent pipe covering, or one piece PVC cover sections as specified.

B. Foamed Plastic Insulation Installation (Return Suction Piping, Interior Condensate Drains, and Electric Water Cooler

Drains): 1. Insulation shall be slipped on pipe without slitting. Butt joints shall be sealed with the manufacturer�s

recommended adhesive. 2. Where slip-on techniques are not possible, the insulation shall be carefully slit and applied to the pipe. Seal

joints with the manufacturer�s recommended adhesive. 3. Insulate valves and fittings with fabricated foamed plastic insulation, or one piece PVC cover sections as

specified. 4. Provide mastic vapor barrier for chilled water service insulation for areas subject to conditions of 90 degrees

F or 85 percent relative humidity or higher. C. Flexible Fiberglass Ductwrap Blanket Insulation Installation: 1. Apply insulation to duct with joints tightly butted. Prepare stretch-out dimensions and cut out insulation so a

2 inch minimum overlap is created that will overlap the facing and insulation at the other end, and the adjoining seam. Install so insulation is not excessively compressed at duct edges. Foil face shall be on outside. Seams shall be stapled approximately at 6 inches on center with outward clinching staples.

2. On ductwork having a 24 inch or larger dimension, insulation shall be secured to the bottom of the duct with mechanical fasteners spaced at not more than 18 inches on center. and held in place with washers or clips. Cut off protruding pin after clips are secured.

3. Seal all insulation joints, pinheads, tears, punctures, washers, clips, and staples with 2 coats of a vapor barrier mastic type sealant, reinforced with 1 layer of 4 inch woven glass fabric.

D. Rigid Fiberglass Ductboard Insulation Installation: 1. Apply insulation tightly and smoothly to duct.




2. Secure insulation on the sides and bottom of duct by impaling insulation over pins or anchors located not more than 18 inches apart and held in place with washers or clips.

3. Cut off protruding pins after clips are secured and seal with vapor barrier mastic. 4. Apply insulation with joints tightly butted. 5. Seal ductwork joints, punctures, and pin heads with a vapor barrier mastic type sealant. 6. Insulation shall be continuous through walls and floors except at fire dampers and at combination smoke/fire

dampers. 7. Finish with field applied fab and mastic finish consisting of a 10 x 10 glass fabric imbedded in 2 coats of

white breather weather barrier mastic. E. Equipment F. Electric Duct Heaters: 1. Insulate all sides of electric duct heaters (except control panel side) installed in supply air ducts, as

specified for supply air ductwork.

END OF SECTION



FACILITY NATURAL-GAS PIPING 15195

SECTION 15195 - FACILITY NATURAL-GAS PIPING PART 1 GENERAL 1.01 RELATED DOCUMENTS A. Refer to City of Miami Front End Documents.

1.02 SUMMARY A. Section Includes:

1. Pipes, tubes, and fittings. 2. Piping specialties. 3. Piping and tubing joining materials. 4. Valves. 5. Pressure regulators. 6. Service meters. 7. Mechanical sleeve seals. 8. Grout. 9. Concrete bases.

1.03 DEFINITIONS

A. Finished Spaces: Spaces other than mechanical and electrical equipment rooms, furred spaces, pipe and duct

shafts, unheated spaces immediately below roof, spaces above ceilings, unexcavated spaces, crawlspaces, and tunnels.

B. Exposed, Interior Installations: Exposed to view indoors. Examples include finished occupied spaces and

mechanical equipment rooms. C. Exposed, Exterior Installations: Exposed to view outdoors or subject to outdoor ambient temperatures and

weather conditions. Examples include rooftop locations. 1.04 PERFORMANCE REQUIREMENTS

A. Minimum Operating-Pressure Ratings:

1. Piping and Valves: 100 psig minimum unless otherwise indicated. 2. Service Regulators: 65 psig minimum unless otherwise indicated. 3. Minimum Operating Pressure of Service Meter: 5 psig.

B. Natural-Gas System Pressure within Buildings: 0.5 psig or less. C. Delegated Design: Design restraints and anchors for natural-gas piping and equipment, including

comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated.





1.05 SUBMITTALS

A. Product Data: For each type of the following: 1. Piping specialties. 2. Valves. Include pressure rating, capacity, settings, and electrical connection data of selected models. 3. Pressure regulators. Indicate pressure ratings and capacities. 4. Service meters. Indicate capacities. Include bypass fittings and supports. 5. Dielectric fittings. 6. Mechanical sleeve seals. 7. Escutcheons.

B. Shop Drawings: For facility natural-gas piping layout. Include plans, piping layout and elevations, sections, and

details for fabrication of pipe anchors, hangers, supports for multiple pipes, alignment guides, expansion joints and loops, and attachments of the same to building structure. Detail location of anchors, alignment guides, and expansion joints and loops. 1. Shop Drawing Scale: 1/4 inch per foot (1:50).

2. Detail mounting, supports, and valve arrangements for service meter assembly and pressure regulator assembly.

C. Delegated-Design Submittal: For natural-gas piping and equipment indicated to comply with performance

requirements and design criteria, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation. 1. Detail fabrication and assembly of seismic restraints. 2. Design Calculations: Calculate requirements for selecting seismic restraints.

D. Coordination Drawings: Plans and details, drawn to scale, on which natural-gas piping is shown and coordinated

with other installations, using input from installers of the items involved.

E. Site Survey: Plans, drawn to scale, on which natural-gas piping is shown and coordinated with other services and utilities.

F. Qualification Data: For qualified professional engineer.

G. Welding certificates.

H. Field quality-control reports. I. Operation and Maintenance Data: For motorized gas valves pressure regulators and service meters to include in

emergency, operation, and maintenance manuals. 1.06 QUALITY ASSURANCE

A. Steel Support Welding Qualifications: Qualify procedures and personnel according to AWS D1.1/D1.1M,

"Structural Welding Code - Steel." B. Pipe Welding Qualifications: Qualify procedures and operators according to ASME Boiler and Pressure Vessel

Code.





C. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, by a qualified

testing agency, and marked for intended location and application. 1.07 DELIVERY, STORAGE, AND HANDLING

A. Handling Flammable Liquids: Remove and dispose of liquids from existing natural-gas piping according to

requirements of authorities having jurisdiction.

B. Deliver pipes and tubes with factory-applied end caps. Maintain end caps through shipping, storage, and handling to prevent pipe end damage and to prevent entrance of dirt, debris, and moisture.

C. Store and handle pipes and tubes having factory-applied protective coatings to avoid damaging coating, and

protect from direct sunlight. D. Protect stored PE pipes and valves from direct sunlight.

1.08 PROJECT CONDITIONS A. Perform site survey, research public utility records, and verify existing utility locations. Contact utility-locating

service for area where Project is located.

B. Interruption of Existing Natural-Gas Service: Do not interrupt natural-gas service to facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide purging and startup of natural-gas supply according to requirements indicated: 1. Notify Architect no fewer than two days in advance of proposed interruption of natural-gas service. 2. Do not proceed with interruption of natural-gas service without Architect's written permission.

1.09 COORDINATION

A. Coordinate sizes and locations of concrete bases with actual equipment provided. B. Coordinate requirements for access panels and doors for valves installed concealed behind finished surfaces.

Comply with requirements in Division 8 Section "Access Doors and Frames." PART 2 PRODUCTS 2.01 PIPES, TUBES, AND FITTINGS

A. Steel Pipe: ASTM A 53/A 53M, black steel, Schedule 40, Type E or S, Grade B.

1. Malleable-Iron Threaded Fittings: ASME B16.3, Class 150, standard pattern. 2. Wrought-Steel Welding Fittings: ASTM A 234/A 234M for butt welding and socket welding. 3. Unions: ASME B16.39, Class 150, malleable iron with brass-to-iron seat, ground joint, and threaded

ends. 4. Steel Flanges and Flanged Fittings: ASME B16.5, minimum Class 150, including bolts, nuts, and

gaskets of the following material group, end connections, and facings:





a. Material Group: 1.1. b. End Connections: Threaded or butt welding to match pipe. c. Lapped Face: Not permitted underground. d. Gasket Materials: ASME B16.20, metallic, flat, asbestos free, aluminum o-rings, and spiral

wound metal gaskets. e. Bolts and Nuts: ASME B18.2.1, carbon steel aboveground and stainless steel underground.

5. Protective Coating for Underground Piping: Factory-applied, three-layer coating of epoxy, adhesive, and

PE. a. Joint Cover Kits: Epoxy paint, adhesive, and heat-shrink PE sleeves.

2.02 PIPING SPECIALTIES

A. Appliance Flexible Connectors:

1. Indoor, Fixed-Appliance Flexible Connectors: Comply with ANSI Z21.24. 2. Indoor, Movable-Appliance Flexible Connectors: Comply with ANSI Z21.69. 3. Outdoor, Appliance Flexible Connectors: Comply with ANSI Z21.75. 4. Corrugated stainless-steel tubing with polymer coating. 5. Operating-Pressure Rating: 0.5 psig (3.45 kPa). 6. End Fittings: Zinc-coated steel. 7. Threaded Ends: Comply with ASME B1.20.1. 8. Maximum Length: 72 inches (1830 mm).

B. Quick-Disconnect Devices: Comply with ANSI Z21.41.

1. Copper-alloy convenience outlet and matching plug connector. 2. Nitrile seals. 3. Hand operated with automatic shut-off when disconnected. 4. For indoor or outdoor applications. 5. Adjustable, retractable restraining cable.

C. Y-Pattern Strainers:

1. Body: ASTM A 126, Class B, cast iron with bolted cover and bottom drain connection. 2. End Connections: Threaded ends for NPS 2 (DN 50) and smaller; flanged ends for NPS 2-1/2 (DN 65)

and larger. 3. Strainer Screen: 40-mesh startup strainer and perforated stainless-steel basket with 50 percent free

area. 4. CWP Rating: 125 psig (862 kPa).

D. Basket Strainers:

1. Body: ASTM A 126, Class B, high-tensile cast iron with bolted cover and bottom drain connection. 2. End Connections: Threaded ends for NPS 2 (DN 50) and smaller; flanged ends for NPS 2-1/2 (DN 65)

and larger. 3. Strainer Screen: 40-mesh startup strainer and perforated stainless-steel basket with 50 percent free






E. T-Pattern Strainers: 1. Body: Ductile or malleable iron with removable access coupling and end cap for strainer maintenance. 2. End Connections: Grooved ends. 3. Strainer Screen: 40-mesh startup strainer, and perforated stainless-steel basket with 57 percent free


F. Weatherproof Vent Cap: Cast- or malleable-iron increaser fitting with corrosion-resistant wire screen, with free

area at least equal to cross-sectional area of connecting pipe and threaded-end connection.

2.03 JOINING MATERIALS

A. Joint Compound and Tape: Suitable for natural gas. B. Welding Filler Metals: Comply with AWS D10.12/D10.12M for welding materials appropriate for wall thickness

and chemical analysis of steel pipe being welded. C. Brazing Filler Metals: Alloy with melting point greater than 1000 deg F (540 deg C) complying with

AWS A5.8/A5.8M. Brazing alloys containing more than 0.05 percent phosphorus are prohibited.

2.04 MANUAL GAS SHUTOFF VALVES

A. See "Underground Manual Gas Shutoff Valve Schedule" and "Aboveground Manual Gas Shutoff Valve Schedule" Articles for where each valve type is applied in various services.

B. General Requirements for Metallic Valves, NPS 2 and Smaller: Comply with ASME B16.33.

1. CWP Rating: 125 psig. 2. Threaded Ends: Comply with ASME B1.20.1. 3. Dryseal Threads on Flare Ends: Comply with ASME B1.20.3. 4. Tamperproof Feature: Locking feature for valves indicated in "Underground Manual Gas Shutoff Valve

Schedule" and "Aboveground Manual Gas Shutoff Valve Schedule" Articles. 5. Listing: Listed and labeled by an NRTL acceptable to authorities having jurisdiction for valves 1 inch

and smaller. 6. Service Mark: Valves 1-1/4 inches to NPS 2 shall have initials "WOG" permanently marked on valve

body.

C. General Requirements for Metallic Valves, NPS 2-1/2 and Larger: Comply with ASME B16.38. 1. CWP Rating: 125 psig. 2. Flanged Ends: Comply with ASME B16.5 for steel flanges. 3. Tamperproof Feature: Locking feature for valves indicated in "Underground Manual Gas Shutoff Valve

Schedule" and "Aboveground Manual Gas Shutoff Valve Schedule" Articles. 4. Service Mark: Initials "WOG" shall be permanently marked on valve body.

D. One-Piece, Bronze Ball Valve with Bronze Trim: MSS SP-110.

1. Manufacturers: Subject to compliance with requirements: a. BrassCraft Manufacturing Company; a Masco company. b. Conbraco Industries, Inc.; Apollo Div.





c. Perfection Corporation; a subsidiary of American Meter Company.

2. Body: Bronze, complying with ASTM B 584. 3. Ball: Chrome-plated brass. 4. Stem: Bronze; blowout proof. 5. Seats: Reinforced TFE; blowout proof. 6. Packing: Separate packnut with adjustable-stem packing threaded ends. 7. Ends: Threaded, flared, or socket as indicated in "Underground Manual Gas Shutoff Valve Schedule"

and "Aboveground Manual Gas Shutoff Valve Schedule" Articles. 8. CWP Rating: 600 psig. 9. Listing: Valves NPS 1 and smaller shall be listed and labeled by an NRTL acceptable to authorities

having jurisdiction. 10. Service: Suitable for natural-gas service with "WOG" indicated on valve body.

E. Two-Piece, Full-Port, Bronze Ball Valves with Bronze Trim: MSS SP-110.

1. Manufacturers: Subject to compliance with requirements: a. BrassCraft Manufacturing Company; a Masco company. b. Conbraco Industries, Inc.; Apollo Div.

2. Body: Bronze, complying with ASTM B 584. 3. Ball: Chrome-plated bronze. 4. Stem: Bronze; blowout proof. 5. Seats: Reinforced TFE; blowout proof. 6. Packing: Threaded-body packnut design with adjustable-stem packing. 7. Ends: Threaded, flared, or socket as indicated in "Underground Manual Gas Shutoff Valve Schedule"



F. Two-Piece, Regular-Port Bronze Ball Valves with Bronze Trim: MSS SP-110.

1. Manufacturers: Subject to compliance with requirements: a. BrassCraft Manufacturing Company; a Masco company. b. Conbraco Industries, Inc.; Apollo Div. c. Perfection Corporation; a subsidiary of American Meter Company.

2. Body: Bronze, complying with ASTM B 584. 3. Ball: Chrome-plated bronze. 4. Stem: Bronze; blowout proof. 5. Seats: Reinforced TFE. 6. Packing: Threaded-body packnut design with adjustable-stem packing. 7. Ends: Threaded, flared, or socket as indicated in "Underground Manual Gas Shutoff Valve Schedule"


having jurisdiction.





10. Service: Suitable for natural-gas service with "WOG" indicated on valve body. G. Bronze Plug Valves: MSS SP-78.

1. Manufacturers: Subject to compliance with requirements:: a. Lee Brass Company. b. McDonald, A. Y. Mfg. Co.

2. Body: Bronze, complying with ASTM B 584. 3. Plug: Bronze. 4. Ends: Threaded, socket, or flanged as indicated in "Underground Manual Gas Shutoff Valve Schedule"

and "Aboveground Manual Gas Shutoff Valve Schedule" Articles. 5. Operator: Square head or lug type with tamperproof feature where indicated. 6. Pressure Class: 125 psig. 7. Listing: Valves NPS 1 and smaller shall be listed and labeled by an NRTL acceptable to authorities


H. Cast-Iron, Nonlubricated Plug Valves: MSS SP-78.

1. Manufacturers: Subject to compliance with requirements: a. McDonald, A. Y. Mfg. Co. b. Mueller Co.; Gas Products Div. c. Xomox Corporation; a Crane company.

2. Body: Cast iron, complying with ASTM A 126, Class B. 3. Plug: Bronze or nickel-plated cast iron. 4. Seat: Coated with thermoplastic. 5. Stem Seal: Compatible with natural gas. 6. Ends: Threaded or flanged as indicated in "Underground Manual Gas Shutoff Valve Schedule" and

"Aboveground Manual Gas Shutoff Valve Schedule" Articles. 7. Operator: Square head or lug type with tamperproof feature where indicated. 8. Pressure Class: 125 psig. 9. Listing: Valves NPS 1 and smaller shall be listed and labeled by an NRTL acceptable to authorities


I. Cast-Iron, Lubricated Plug Valves: MSS SP-78.

1. Manufacturers: Subject to compliance with requirements: a. Homestead Valve; a division of Olson Technologies, Inc. b. McDonald, A. Y. Mfg. Co. c. Mueller Co.; Gas Products Div.

2. Body: Cast iron, complying with ASTM A 126, Class B. 3. Plug: Bronze or nickel-plated cast iron. 4. Seat: Coated with thermoplastic. 5. Stem Seal: Compatible with natural gas. 6. Ends: Threaded or flanged as indicated in "Underground Manual Gas Shutoff Valve Schedule" and

"Aboveground Manual Gas Shutoff Valve Schedule" Articles.





7. Operator: Square head or lug type with tamperproof feature where indicated. 8. Pressure Class: 125 psig. 9. Listing: Valves NPS 1 and smaller shall be listed and labeled by an NRTL acceptable to authorities


J. Valve Boxes:

1. Cast-iron, two-section box. 2. Top section with cover with "GAS" lettering. 3. Bottom section with base to fit over valve and barrel a minimum of 5 inches in diameter. 4. Adjustable cast-iron extensions of length required for depth of bury. 5. Include tee-handle, steel operating wrench with socket end fitting valve nut or flat head, and with stem of

length required to operate valve.

2.05 MOTORIZED GAS VALVES

A. Automatic Gas Valves: Comply with ANSI Z21.21. 1. Manufacturers: Subject to compliance with requirements: 2. Basis-of-Design Product: Subject to compliance with requirements, provide or comparable product by

one of the following: a. ASCO Power Technologies, LP; Division of Emerson. b. Honeywell International Inc. c. Johnson Controls.

3. Body: Brass or aluminum. 4. Seats and Disc: Nitrile rubber. 5. Springs and Valve Trim: Stainless steel. 6. Normally closed. 7. Visual position indicator.

B. Electrically Operated Valves: Comply with UL 429.

1. Manufacturers: Subject to compliance with requirements: 2. Basis-of-Design Product: Subject to compliance with requirements:

a. ASCO Power Technologies, LP; Division of Emerson. b. Dungs, Karl, Inc. c. Magnatrol Valve Corporation. d. Watts Regulator Co.; Division of Watts Water Technologies, Inc.

3. Pilot operated. 4. Body: Brass or aluminum. 5. Seats and Disc: Nitrile rubber. 6. Springs and Valve Trim: Stainless steel. 7. 120-V ac, 60 Hz, Class B, continuous-duty molded coil, and replaceable. 8. NEMA ICS 6, Type 4, coil enclosure. 9. Normally closed. 10. Visual position indicator.





2.06 PRESSURE REGULATORS

A. General Requirements:

1. Single stage and suitable for natural gas. 2. Steel jacket and corrosion-resistant components. 3. Elevation compensator. 4. End Connections: Threaded for regulators NPS 2 and smaller; flanged for regulators NPS 2-1/2 and

larger. B. Service Pressure Regulators: Comply with ANSI Z21.80.

1. Manufacturers: Subject to compliance with requirements: 2. Basis-of-Design Product: Subject to compliance with requirements, provide comparable product by

one of the following: a. Actaris. b. American Meter Company. c. Fisher Control Valves and Regulators; Division of Emerson Process Management.

3. Body and Diaphragm Case: Cast iron or die-cast aluminum. 4. Springs: Zinc-plated steel; interchangeable. 5. Diaphragm Plate: Zinc-plated steel. 6. Seat Disc: Nitrile rubber resistant to gas impurities, abrasion, and deformation at the valve port. 7. Orifice: Aluminum; interchangeable. 8. Seal Plug: Ultraviolet-stabilized, mineral-filled nylon. 9. Single-port, self-contained regulator with orifice no larger than required at maximum pressure inlet, and

no pressure sensing piping external to the regulator. 10. Pressure regulator shall maintain discharge pressure setting downstream, and not exceed 150 percent

of design discharge pressure at shutoff. 11. Overpressure Protection Device: Factory mounted on pressure regulator. 12. Atmospheric Vent: Factory- or field-installed, stainless-steel screen in opening if not connected to vent

piping. 13. Maximum Inlet Pressure: 100 psig.

2.07 SERVICE METERS

A. Diaphragm-Type Service Meters: Comply with ANSI B109.1.

1. Manufacturers: Subject to compliance with requirements. 2. Basis-of-Design Product: Subject to compliance with requirements, provide or comparable product by

one of the following: a. Actaris. b. American Meter Company. c. Invensys.

3. Case: Die-cast aluminum. 4. Connections: Steel threads. 5. Diaphragm: Synthetic fabric. 6. Diaphragm Support Bearings: Self-lubricating.





7. Compensation: Continuous temperature. 8. Meter Index: Cubic feet. 9. Meter Case and Index: Tamper resistant. 10. Remote meter reader compatible. 11. Maximum Inlet Pressure: 100 psig. 12. Pressure Loss: Maximum 0.5-inch wg. 13. Accuracy: Maximum plus or minus 1.0 percent.

B. Rotary-Type Service Meters: Comply with ANSI B109.3.

1. Manufacturers: Subject to compliance with requirements. 2. Basis-of-Design Product: Subject to compliance with requirements, provide product indicated on

Drawings or comparable product by one of the following: a. American Meter Company. b. Invensys.

3. Case: Extruded aluminum. 4. Connection: Flange. 5. Impellers: Polished aluminum. 6. Rotor Bearings: Self-lubricating.

7. Compensation: Continuous temperature. 8. Meter Index: Cubic feet. 9. Tamper resistant. 10. Remote meter reader compatible. 11. Maximum Inlet Pressure: 100 psig. 12. Accuracy: Maximum plus or minus 2.0.

C. Turbine Meters: Comply with ASME MFC-4M. 1. Manufacturers: Subject to compliance with requirements.

2. Basis-of-Design Product: Subject to compliance with requirements, provide comparable product by one of the following: a. American Meter Company. b. Invensys.

3. Housing: Cast iron or welded steel. 4. Connection Threads or Flanges: Steel. 5. Turbine: Aluminum or plastic. 6. Turbine Bearings: Self-lubricating.

7. Compensation: Continuous temperature. 8. Meter Index: Cubic feet. 9. Tamper resistant.

10. Remote meter reader compatible. 11. Maximum Inlet Pressure: 100 psig. 12. Accuracy: Maximum plus or minus 2.0.





2.08 DIELECTRIC FITTINGS

A. Dielectric Unions: 1. Manufacturers: Subject to compliance with requirements:

a. McDonald, A. Y. Mfg. Co. b. Watts Regulator Co.; Division of Watts Water Technologies, Inc. c. Wilkins; Zurn Plumbing Products Group.

2. Minimum Operating-Pressure Rating: 150 psig. 3. Combination fitting of copper alloy and ferrous materials. 4. Insulating materials suitable for natural gas. 5. Combination fitting of copper alloy and ferrous materials with threaded, brazed-joint, plain, or welded

end connections that match piping system materials. B. Dielectric Flanges:

1. Manufacturers: Subject to compliance with requirements: a. Capitol Manufacturing Company. b. Watts Regulator Co.; Division of Watts Water Technologies, Inc. c. Wilkins; Zurn Plumbing Products Group.

2. Minimum Operating-Pressure Rating: 150 psig. 3. Combination fitting of copper alloy and ferrous materials. 4. Insulating materials suitable for natural gas. 5. Combination fitting of copper alloy and ferrous materials with threaded, brazed-joint, plain, or welded

end connections that match piping system materials.

C. Dielectric-Flange Kits: 1. Manufacturers: Subject to compliance with requirements:

a. Advance Products & Systems, Inc. b. Calpico Inc. c. Pipeline Seal and Insulator, Inc.

2. Minimum Operating-Pressure Rating: 150 psig. 3. Companion-flange assembly for field assembly. 4. Include flanges, full-face- or ring-type neoprene or phenolic gasket, phenolic or PE bolt sleeves,

phenolic washers, and steel backing washers. 5. Insulating materials suitable for natural gas. 6. Combination fitting of copper alloy and ferrous materials with threaded, brazed-joint, plain, or welded

end connections that match piping system materials. 2.09 SLEEVES

A. Steel Pipe Sleeves: ASTM A 53/A 53M, Type E, Grade B, Schedule 40, galvanized steel, plain ends. B. Cast-Iron Pipe Sleeves: Cast or fabricated "wall pipe," equivalent to ductile-iron pressure pipe, with plain ends

and integral waterstop, unless otherwise indicated.





2.10 LABELING AND IDENTIFYING

A. Detectable Warning Tape: Acid- and alkali-resistant, PE film warning tape manufactured for marking and identifying underground utilities, a minimum of 6 inches wide and 4 mils thick, continuously inscribed with a description of utility, with metallic core encased in a protective jacket for corrosion protection, detectable by metal detector when tape is buried up to 30 inches deep; colored yellow.

PART 3 EXECUTION

3.01 EXAMINATION

A. Examine roughing-in for natural-gas piping system to verify actual locations of piping connections before equipment installation.

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

3.02 PREPARATION

A. Close equipment shutoff valves before turning off natural gas to premises or piping section.

B. Inspect natural-gas piping according to NFPA 54 to determine that natural-gas utilization devices are turned off in

piping section affected. C. Comply with NFPA 54 requirements for prevention of accidental ignition.

3.03 OUTDOOR PIPING INSTALLATION

A. Comply with NFPA 54 for installation and purging of natural-gas piping.

B. Install underground, natural-gas piping buried at least 36 inches below finished grade. Comply with

requirements in Division 2 Section "Earthwork" for excavating, trenching, and backfilling. 1. If natural-gas piping is installed less than 36 inches below finished grade, install it in containment conduit.

C. Steel Piping with Protective Coating: 1. Apply joint cover kits to pipe after joining to cover, seal, and protect joints. 2. Repair damage to PE coating on pipe as recommended in writing by protective coating manufacturer.

3. Replace pipe having damaged PE coating with new pipe.

D. Copper Tubing with Protective Coating: 1. Apply joint cover kits over tubing to cover, seal, and protect joints. 2. Repair damage to PE coating on pipe as recommended in writing by protective coating manufacturer.

E. Install fittings for changes in direction and branch connections.





1. Aboveground, Exterior-Wall Pipe Penetrations: Seal penetrations using sleeves and mechanical sleeve seals. Select sleeve size to allow for 1-inch annular clear space between pipe and sleeve for installing mechanical sleeve seals. a. Install steel pipe for sleeves smaller than 6 inches in diameter. b. Install cast-iron "wall pipes" for sleeves 6 inches and larger in diameter.

2. Underground, Exterior-Wall Pipe Penetrations: Install cast-iron "wall pipes" for sleeves. Seal pipe penetrations using mechanical sleeve seals. Select sleeve size to allow for 1-inch annular clear space between pipe and sleeve for installing mechanical sleeve seals.

3. Mechanical Sleeve Seal Installation: Select type and number of sealing elements required for pipe

material and size. Position pipe in center of sleeve. Assemble mechanical sleeve seals and install in annular space between pipe and sleeve. Tighten bolts against pressure plates that cause sealing elements to expand and make watertight seal.

4. Install pressure gage downstream from each service regulator. Pressure gages are specified in

Division 15 Section "Meters and Gages." 3.04 INDOOR PIPING INSTALLATION

A. Comply with NFPA 54 for installation and purging of natural-gas piping.

B. Drawing plans, schematics, and diagrams indicate general location and arrangement of piping systems.

Indicated locations and arrangements are used to size pipe and calculate friction loss, expansion, and other design considerations. Install piping as indicated unless deviations to layout are approved on Coordination Drawings.

C. Arrange for pipe spaces, chases, slots, sleeves, and openings in building structure during progress of

construction, to allow for mechanical installations. D. Install piping in concealed locations unless otherwise indicated and except in equipment rooms and service

areas. E. Install piping indicated to be exposed and piping in equipment rooms and service areas at right angles or parallel

to building walls. Diagonal runs are prohibited unless specifically indicated otherwise. F. Install piping above accessible ceilings to allow sufficient space for ceiling panel removal. G. Locate valves for easy access. H. Install natural-gas piping at uniform grade of 2 percent down toward drip and sediment traps. I. Install piping free of sags and bends. J. Install fittings for changes in direction and branch connections. K. Install escutcheons at penetrations of interior walls, ceilings, and floors.





1. New Piping: Piping with Fitting or Sleeve Protruding from Wall: One-piece, deep-pattern type.

b. Piping at Wall and Floor Penetrations in Finished Spaces: One-piece, cast-brass type with polished chrome-plated finish.

c. Piping at Wall and Floor Penetrations in Finished Spaces: One-piece, stamped-steel type. d. Piping at Ceiling Penetrations in Finished Spaces: One-piece cast-brass type with polished

chrome-plated finish. e. Piping at Ceiling Penetrations in Finished Spaces: One-piece, stamped-steel type and set

screw. f. Piping in Unfinished Service Spaces: One-piece, cast-brass type with polished chrome-plated

finish. g. Piping in Unfinished Service Spaces: One-piece, stamped-steel type with concealed. h. Piping in Equipment Rooms: One-piece, cast-brass type. i. Piping in Equipment Rooms: One-piece, stamped-steel type with set screw. j. Piping at Floor Penetrations in Equipment Rooms: One-piece, floor-plate type.

L. Fire-Barrier Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors at pipe

penetrations. Seal pipe penetrations with firestop materials. Comply with requirements in Division 7 Section "Through-Penetration Firestop Systems."

M. Verify final equipment locations for roughing-in. N. Comply with requirements in Sections specifying gas-fired appliances and equipment for roughing-in

requirements. O. Drips and Sediment Traps: Install drips at points where condensate may collect, including service-meter outlets.

Locate where accessible to permit cleaning and emptying. Do not install where condensate is subject to freezing. a. Construct drips and sediment traps using tee fitting with bottom outlet plugged or capped. Use nipple a

minimum length of 3 pipe diameters, but not less than 3 inches long and same size as connected pipe. Install with space below bottom of drip to remove plug or cap.

P. Extend relief vent connections for service regulators, line regulators, and overpressure protection devices to

outdoors and terminate with weatherproof vent cap. Q. Conceal pipe installations in walls, pipe spaces, utility spaces, above ceilings, below grade or floors, and in floor

channels unless indicated to be exposed to view. R. Concealed Location Installations: Except as specified below, install concealed natural-gas piping and piping

installed under the building in containment conduit constructed of steel pipe with welded joints as described in Part 2. Install a vent pipe from containment conduit to outdoors and terminate with weatherproof vent cap.

1. Above Accessible Ceilings: Natural-gas piping, fittings, valves, and regulators may be installed in accessible spaces without containment conduit.

2. In Floors: Install natural-gas piping with welded or brazed joints and protective coating in cast-in-place concrete floors. Cover piping to be cast in concrete slabs with minimum of 1-1/2 inches of concrete. Piping may not be in physical contact with other metallic structures such as reinforcing rods or electrically neutral conductors. Do not embed piping in concrete slabs containing quick-set additives or cinder aggregate.





3. In Floor Channels: Install natural-gas piping in floor channels. Channels must have cover and be open to space above cover for ventilation.

4. In Walls or Partitions: Protect tubing installed inside partitions or hollow walls from physical damage using steel striker barriers at rigid supports. a. Exception: Tubing passing through partitions or walls does not require striker barriers.

5. Prohibited Locations:

a. Do not install natural-gas piping in or through circulating air ducts, clothes or trash chutes, chimneys or gas vents (flues), ventilating ducts, or dumbwaiter or elevator shafts.

b. Do not install natural-gas piping in solid walls or partitions. S. Use eccentric reducer fittings to make reductions in pipe sizes. Install fittings with level side down. T. Connect branch piping from top or side of horizontal piping. U. Install unions in pipes NPS 2 and smaller, adjacent to each valve, at final connection to each piece of equipment.

Unions are not required at flanged connections. V. Do not use natural-gas piping as grounding electrode. W. Install strainer on inlet of each line-pressure regulator and automatic or electrically operated valve. X. Install pressure gage downstream from each line regulator. Pressure gages are specified in Division 15 Section

"Meters and Gages."

3.05 SERVICE-METER ASSEMBLY INSTALLATION

A. Install service-meter assemblies aboveground.

B. Install metal shutoff valves upstream from service regulators. Shutoff valves are not required at second regulators if two regulators are installed in series.

C. Install strainer on inlet of service-pressure regulator and meter set. D. Install service regulators mounted outside with vent outlet horizontal or facing down. Install screen in vent outlet

if not integral with service regulator. E. Install metal shutoff valves upstream from service meters. Install dielectric fittings downstream from service

meters. F. Install service meters downstream from pressure regulators. G. Install metal bollards to protect meter assemblies. Comply with requirements in Division 5 Section "Metal

Fabrications" for pipe bollards.


CITY OF MIAMI CAPITAL IMPROVEMENTS PROGRAM FIRE STATION … · CITY OF MIAMI CAPITAL IMPROVEMENTS...

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