4_1PART_C

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PART-C : TENDER FOR ERECTION WORKS

1.2 MPTA PELLET PLANT – NMDC, DONIMALAI, KARNATAKATECHNICAL SPECIFICATION

SECTION – I

SCOPE OF WORK AND TECHNICAL SPECIFICATION

1.0 INTRODUCTION:

M/s NMDC intends to set up one 1.2MTPA pellet plant for which BHEL has been awarded the contract for Design, Engineering, Manufacture/Procurement, Supply, Erection, Testing &

Commissioning for Electrics, Instrumentation, Automation package through M/S Tata

projects Ltd.

BHEL intends to engage one sub-contractor for Erection works of complete Electrics,

Instruments & Automation equipment in scope.

The intent of this document is to furnish the required techno-commercial specifications for scope of work for the subcontractor.

2.2 Scope of Work:

(To be read along with detailed specification given in this document)

The scope given below is for gaining an overall idea and is only indicative and not

exhaustive – the intent of the job being complete erection as per standard engineering practices, of all items under the scope of BHEL-ISG. It shall lead to successful

commissioning of the plant and equipment in the scope of BHEL-ISG with due assistance,

of whatsoever nature, in such activities. Summarily, the scope of work for the successful

bidder (hereinafter referred to as Bidder / Contractor) will be inclusive of, but not limited to

the description given below, which is only brief in nature:

Note: The method of billing for various services/works/supply of materials shall be asper price format.

1. Receipt / material handling

a. Receipt of materials from Transporter / Stores.

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2. Erection/ Installation/ Testing

a. Erection and placement of equipment/ materials along with supply of necessary structures, fabrication of supports and erection of the same for the

Pellet Plant.

b. Fabrication, Installation and painting of Support structures as necessary.

c. Installation Cable trays for the pellet plant (GI Trays as specified in thisdocument). Trench work for Buried Cables.

d. Laying and Termination of LT & HT power & control cables along withsupply of cable accessories like Cable Lugs , ferrules, Cable Tag, Sleeves,

etc as required for completion of the Job and as envisaged in this

specification document. Cable Glands to be supplied by BHEL and only for

emergency requirement contractor to supply.e. System and equipment Earthing including supply of Earthing material if and

as specified.

3. Civil Works : CIVIL works is not in scope of contractor.

However Minor civil works if necessary for completion of Electrical workslike minor Floor cutting or making hole in the Floor as well as in the wall

etc may be necessary in the control room, which contractor need to carry out

including supply of materials. Civil work which is integral part of erection

work like for erection of Lighting pole needs to be done by contractor.

4. Other Miscellaneous supply & Services

Supply of consumables / hardware / primer and paint etc as described in thetender document ( Please refer Price format for details on which supply

items to be considered for costing for specific work)

Rendering Manpower (skilled and Unskilled) assistance for commissioning

and various services as required and as envisaged in this tender document toBHEL Engineers starting from opening of site till Handover of the Plant to

customer.

Supply of Equipments/material which are separately billable as detailed in

this document. ( BHEL reserves the right to delete the supply of these

materials from Contractor’s scope )

I l l i i l f Si M difi i f P l b

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3.0 DESCRIPTION OF WORK:

The contractor’s responsibility starts from receiving the Equipment from transporter. In

case any Equipment which is already received at site by BHEL/Customer or materials

which are to be issued by owner shall be collected and received by the contractor from

stores/ erection site / place to be assigned by BHEL. Contractor shall be responsible for the

safety of the materials from there onwards. Material handling from place of storage to

erection site is responsibility of the contractor. The contractor has to arrange for necessary

watchmen for the safety of parts /equipment /materials issued to them. Many a times parts

required, for more than one assembly might have been packed in one case and in such a

case, the contractor should take the required part only and then re-pack the case properly.

The opening and closing of wooden boxes should be done carefully by the carpenters. The

package materials shall be stored carefully as directed by the Engineers. The Contractor

must maintain a log book for all items received at site and get it verified periodically

by BHEL Site engineers. Specifically the contractor must put special attention for

loose materials involved in instrumentation which are very critical in this project.

The procedure adopted for all Erection/Installation work must be in accordance with

approved drawings wherever available or the design basis laid in BHEL's contract

with the End client which has been given in Annexure-II ( Technical Requirements

for Installation works ). In absence of any such procedure for any specific work , relevant

IS to be followed and wherever applicable the procedure approved by End Client (NMDC)

or his consultant (M/s MN Dastur) to be followed. In case any material is supplied by

contractor ( whether billable or non-billable) the same must be as per approved make

wherever defined in contract. Before procuring or brining such material vendor is

advised to obtain approval from concerned agencies.

BHEL's contractual obligation for customer's acceptance of all erection work /

materials used for erection work / procedure adopted for erection works / adherance to

safety / statutory procedures in the site shall be binding on the contractor. All relevant,

specific documents / instructions will be given to the successful bidder at the appropriate

stage of erection and commissioning activity.

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The floor opening cover required to be removed for erection shall be put back in position

after completion of erection.

Price bid shall be read in conjunction with the description given in details of work, no

deviation / extra claim shall be entertained. Contractor to understand the Work after visiting the site, any clarification required shall be obtained before giving the price offer.

Price bid format given with the tender shall indicate only major works/activities/itemswhich are measurable. Any activity which is in the scope of contractor as per the Tender specification if found not specifically mentioned in the price-bid shall be presumed to be

included in the quoted price.

Note: Any deviation/comment to the Technical specification must be brought to

purchaser’s notice in the technical offer. Any comments inserted by contractor in the

price bid, which remains sealed, cannot be taken as deviation and will be ignored.

The contractor is advised to visit Donimalai Site and make himself aware of the site conditions

before quoting.

4.0 ERECTION WORK/ SERVICES:

The details of work given below are only for information and not exhaustive. The work will be inclusive of, but not limited to the description given below, which is only brief in

nature. The contractor should include all the works required to complete the job in thescope of work. All relevant erection drawings/ instructions will be given to the successful bidder at the appropriate stage of erection.

For Battery limit of the plant the attached Plant layout is to be referred.

The details of equipments in BHEL scope for which the contractor has to provide

Erection service is given under;

The quantities and other details necessary for Billing are given in Price Format.

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Sl No ACTIVITY Remarks

1 MATERIAL HANDLING & STORAGE

1.1

Unloading & Storage of Materials received for this project .

a) Scope includes coordination work with customer /BHEL when ever a

consignment reaches site by lorry or any other means of tranport

b) Unloading

of

the

material

at

Store

or

other

Area

assigned

by

BHEL

c) Safe custody / Maintainance of store, house keeping and orderly

arrangement of material, stacking and record keeeping and Issue of

materials as per the direction of BHEL engineer.

(BHEL’s store,

closed as well as

open, along with

BHEL’s site office

are

already

existing. The

contractor to

manage the

stores.)

1.2 Providing security for Storage & materials

2 ERECTION / INSTALLATION OF EQUIPMENTSTESTING AND SERVICES TILL CHARGING: Unless otherwise

specifically mentioned Contractor scope is only Erection of

equipments and assistance in Testing like supply of manpower for

commissioning (separately Billable) , arrangement of basic necessary

Tools like Meggers, Multimeters , Screw drivers, Spanners etcas

required in sufficient qty for Commissioning of equipments,

Arrangement for basic faclity for Testing and commissioning likePower source arrangement, Temporary Power Connections etc.

Equipment Commissioning and specific Testing service like HI-POT

test, Breaker Tests , Testing of HT Systems with CT injection Kit and

supply of such Testing equipments are NOT IN SCOPE of contractor.

Contractor may be asked to provide manpower assistance.

The price format to be referred for the details of various quantity ,

dimension, weight, location in which the equipment to be erected and

also how the Billing to be done.

2 EQUIPMENTS TO BE ERECTED

2.1 6.6KV, 630Amps Isolator Panels

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2.4 BUSDUCTS: Indoor , Three ph- neutral Non- segregated 3000ABusduct with Al Busbars in common metallic Enclosure of

Aluminum with IP54 protection , for connection between Secondary

side of 2000 kVA, 11kV/433V transformers and Incomer of the 415VLT PCC

One set meansone complete

connection

between onetransformer to

one incomer of

the PCC.2.5 PANELS

LT Power Control Centers

Automatic Power Factor Correction (APFC) PANELS

6.6 kV HV Motor Control Centre (HVMCC)

LT Motor Control Centre

LT Power Distribution Boards

LT VFD Drive Panels (ABB make)HT VFD Drive Panels (SIEMENS)

SOFT STARTER Panels for160KW Motors

MLDB: Main Lighting Distribution Boards

Wall Mounted Mimic Panel for HT Board

Automation System/ DCS

DCS Control Panels

RIO Panels

Operator Control Desks

2.6 Computer System

Placement of computers and Printers for DCS system (computers are

to be fitted in the control desk provided with ready made suitable

cutouts) No of PC's :9 nos and No of Printers : 4nos

Video Projector

2.7 UPS / Battery Banks/ Battery Chargers

2.8 Erection Of Lighting Distribution Boards

2.9 Erection Of Junction Boxes/ LCS/LCP in Field area

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2.15 Laying of Lighting Wires/Cable Through Conduits

2.16 Erection of Lighting Poles

2.17 Fabrication and Erection & Painting of Steel structure

2.18 Erection of GI Cable Trays

2.19 Laying of Cable Conduits/ GS Pipes

2.20Laying of Cables

HT XLPE Power Cables

LT Power Cable (PVC/XLPE armoured aluminum)

Control Cables (PVC Insulated Cu Cables )

Screen Cables& Instrument Cables (PVC Insulated, armoured )

Laying of single core flexible copper cable from power JB to Motors

Laying of Special Cables

Twisted Pair Ethernet CableRIO Networking Cable

Laying of Fibre Optic Cable

Laying of Cables Directly buried in Ground (Trench)

Cable Laying at Road Crossing

Laying of RCC Hume Pipes 200/300 mm ( including Excavation &

Back filling, cable laying)

Laying of GS Pipes upto 150 mm ( Including Excavation & back

Filling, cable laying )

2.21Termination Of Cables( Gland Supply By BHEL. Lug /Ferrules and other consumables by contractor. )

Straight Thro' Jointing of HT Cable as required.( Kit supply by

BHEL)

Straight Thro' Jointing of LT Cable

( Kit supply by

BHEL)2.22 Earthing Work

Laying of Conductor/ Earth Mat Bellow Ground

Laying of Conductor/ Earth Mat Above Ground

Making of Treated Earth PitsMaterial by

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Instrument erection involves handling, positioning, fabrication of supports,

fixing of supports in location, mounting of instruments -sensors, panels,

cabinets, load cells , JBs, Orifice , venturi , probes and boxing up, impulse

tubing with SS tube and fittings, Hydro testing of impulse lines, leakage

testing of impulse / sample lines, Tray work, cabling, continuity checking,

loop checking, providing commissioning assistance etc.

All consummable like Teflon tape,supply of paint & painting of inst. support

structures, tap point marking with tag nos using paint etc. shall be supplied

by contractor.

Cost of fabrication and painting of any support Structure ( wherever

applicable ) to be billable separately on tonnage basis as per rate mentioned

against 'Fabrication of Steel'. Required Steel or piping to be supplied by

BHEL

INSTALLATION OF

FOLLOWING

( Calibration

separately

Billable

)

3.1 Orifice flow meters with Transmitters with accessories

3.2 Venturi flow meters with Transmitters with accessories

3.3 Vortex flow meters

3.4 Pressure Transmitters

3.5 Temperature Transmitters

3.6 Pressure Gauges with accessories

3.7 Diff Pressure Gauges with accessories

3.8 Temperature Gauges with accessories

3.9 Pressure & Differential Pressure switches with accessories

3.10 RTDs with accessories

3.11 Thermocouples

3.12 For Following Systems Commissioning will be done by Instrument vendor.

Contractor to

do

only

erection.

3.12.1 Ultrasonic Level Transmitter with sensor & accessories

3.12.2 Radar Level Transmitter with accessories

3.12.3 Mass flow meters

3.12.4 Magnetic flow meters

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3.12.8 Moisture Analyser ‐ Gas with accessories

3.12.9 Moisture Analyser ‐ Solids with accessories

3.12.10 Online Gas Analysers consisting of: Panels ( 400Kgs wt)‐ 3 nos , Sample

probes ‐ 8 nos, 1/2" SS tubing ‐ 300 mtrs , Scavanging panel ‐ 4 no.( 50 kgs) ,

Heat Traced sample tubing‐ 100 mtrs , Calibration cylinders ( 10Kgs)‐: 4 nos,

etc.

3.12.11 Belt Weighing System consisting of: Local Cabinets( Wt. 50 Kgs) ‐ 8 nos ,

Weighing Platform(150 kgs ) ‐ 8 nos, Field JB‐ 8 nos .

3.12.12 Bin Weighing System consisting of: Weighing system panel (300 kgs) ‐ 5 nos,

Cabinet ( 50 kgs) ‐ 1 no., Load cells : wt.500kgs‐ 11 nos , 250kg‐9 nos,140kg‐

3 nos,80kg‐3 nos , 50 kg 13 nos , JBs ‐ 6 nos

3.13 SITE CALIBRATION OF INSTRUMENT

Following tools ,tackles and calibration facility shall be arranged bycontractor in adequate quantity & in good working condition:

Instrument Tool box with all necessary tools for instrumentation

work, Digital Multimeters with battery & probes, meggers, loop tester

for 2 wire transmitters, Calibrators for Pressure gauges - normal range

up to 60 bar , Pressure calibrator for low range instruments. 100 mm

wC to 5000 wC, Temp bath with temp controller & display for RTDs

& Thermo couple Up to 400 Deg C. All these instruments &

calibration facilities shall be with latest calibration certificate from

recognisedlaboratories valid for the period of contract. 24 VDC power

supply unit for 2 wire transmitters , mV generators for thermocouple

simulation, Resistance box for simulating RTD etc.

3.13.1 Pressure Transmitters Calibration

3.13.2 Temperature

Transmitters

Calibration

3.13.3 Pressure Gauges Calibration

3.13.4 Diff Pressure Gauges Calibration

3.13.5 Temperature Gauges Calibration

3.13.6 Pressure & Differential Pressure switches Calibration

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5.0 SYSTEMS /EQUIPMENTS IN SCOPE OF BHEL WHICH WILL BE ERECTED AND

COMMISSIONED BY OTHER AGENCY:The following equipments /systems will be installed by respective vendors. However unloading ( if

applicable ) and store maintenance and manpower assistance as required will be in the scope of

contractor.

a) DG sets and its accessories like AMF Panels b) Loud-speaker and Communication System

c) CCTV System

d) Fire Detection Systeme) Passive fire protection ( installation of Fire barrier , sealing compound, Fire Coating etc)

6.0 SUPPLY OF MATERIALS WHICH CAN BE BILLED SEPARATELY (ERECTION AND

INSTALLATION OF THESE MATERIALS ARE IN SUB-CONTRACTOR’S SCOPE):

3.16.1 Inst. Technicians for assistance during commissioning

Note: Only skilled Technician having experience and Minimum Diploma

qualification shall be accepted

3.16.2 Skilled Inst. Fitter for assistance during commissioning

3.17 MINOR CIVIL WORKS

3.17.1 Excavation work (including necessary back filling )

3.17.2

Breaking of

Concrete

and

finishing

( for making Cable holes in the Floor or minor civil works requirement )

3.17.3 Breaking of Brick wall and finishing

3.18 Miscellaneous Works and Services

3.18.1 Supply & Mounting of Danger boards written in English , Hindi, and local

language as per I.E rules

3.18.2 Supply & Mounting of Safety Charts written in English , Hindi, and local

language as per I.E rules

3.18.3 Obtaining Statutory Clearance for Electrical Installations from Apropriate

authority (DGMS/Electrical inspectorate) ( Fees to be deposited by owner )

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remain in the scope of sub-contractor; hence the subcontract must quote supply and erection

price separately as per price format. In absence of separate erection price it shall be presumed

to be included in other price.

Relevant commercial documents like receipted LR/ED gate pass/ Material receipt/ Inspection

certificate at site shall be required for billing.

Note: Wherever GI has been specified the same shall mean Hot dip Galvanized Iron with

thickness of galvanization not less than 610gm/sqmt.

The price quoted should be all inclusive with delivery at site.

The materials must be of make approved by customer or his consultant (MND). Contractor

needs to obtain Datasheet or sample approved by customer at site before procuring the

materials. ( No additional cost will be allowed on this ground ).

Materials to be inspected by BHEL/Customer as per Quality assurance plan and dispatch

clearance may be obtained before materials are taken into Plant.

BOQ FOR MATERIAL SUPPLY

S.No DESCRIPTION OF THE ITEMS TO BE

SUPPLIED

UNIT QTY REMARKS/

SPECIFICATIONS

1 CABLE GLANDS (DOUBLE COMPRESSION, BRASS,

HEAVY DUTY, SUITABLE FOR ARMOURED CABLES)

Glands sizes given below are tentative. Contactors to

select exact gland before procurement. Power

Cables are Mining cables having Armour

conductance at

least

50%

of

main

conductor.

DOWELS / CCI /

ELECTROMAG

1.1 CABLE GLANDS: 6P X 1/10X1.5/1X70/1X95(22mm) Nos

50

1.2 CABLE GLANDS: 6T X1/14x1.5/19x1.5/4x10/4x16 (25mm) Nos

50

1.3CABLE GLANDS: 3 X 1.5/3x2.5/2px1 (19mm) Nos 50

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1.8CABLE GLANDS: 3.5 X 70 (size 36mm) Nos 20

1.9CABLE GLANDS: 3C X 70 (size 33mm) Nos 20

1.10CABLE GLANDS: 3.5 X 95 (size 39) Nos 10

1.11CABLE GLANDS: 3x120 Nos 10

1.12CABLE GLANDS: 3.5x120 Nos 10

1.13 CABLE GLANDS: 3x185 Nos 20

1.14CABLE GLANDS: 3.5x185 Nos 20

1.15CABLE GLANDS: 3.5X 150 (size 48mm) Nos 15

1.16CABLE GLANDS: 3.5 X240 (size 60mm) Nos 15

1.17CABLE GLANDS: 3 X240 (size 56mm) Nos 15

1.18CABLE GLANDS: 3x300 Nos 15

1.19 CABLE GLANDS: 3.5x300 Nos 15

2 GI Hard ware of assorted sizes (Bolt, Nuts etc ) Kgs 300

3 GS Pipes, Medium guage, Hot dip galvanised , ERW,

screwed type conforming to IS1239

Zenith/Jindal/Tata/

SAIL/ IISCO

3.1 GS Pipes of 25mm dia nominal bore Mtr 50


3.3 GS Pipes of 65mm dia nominal bore Mtr

50




3.7 GS flexible pipes of 50 mm size as per the site

requirement with all necessary clamps for secure

fixing.

Mtr 50

3.8 GS

Cleats,

Saddles/

Clamps

(made

of

GS

sheet

of

thickness not less than 2mm) of suitable size as per

site requirement.

Kgs 1000

3.9 Anchor Fasteners of assorted size as per site

requirement Kgs 300

4.1 RCC Hume Pipe 300 mm NP3 grade (IS458) Mtr 30 Indian Hume Pipes/

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7.0 SUPPLY OF MATERIALS WHICH DEEMED TO BE INCLUDED IN THE SCOPE OF SUB-

CONTRCATOR AND IN QUOTED PRICE. NO SEPARATE CLAIM SHALL BE ALLOWED

UNLESS SPECIFIED OTHERWISE IN THE PRICE FORMAT

The following are tentative list of materials which are envisaged in the specification and which

are deemed to be in the scope of contractor as per site requirement ( Price format to be

referred for specific cases)

A. Cable Laying & Termination

- Cable lugs ( Dowells/ISMAL/JAINSON/COMMET/CONNECTWEL/PHOENIX)- Cable Clamp

- Cable Identification Tags

- Cable route Marker

- Tape / sleeves wherever required - Material required ( sand. Concrete tile covers etc. ) for buried cables

B. Minor Civil works (Wherever applicable and included in contractor scope) : All

materials like steel , cement, etc required for civil works.

C. Materials required for making of Earth Pit.

D. Paints wherever required for cable trays or any other fabrication in scope.

E. Necessary fittings required to complete Conduit

Note: This list is only indicative for ready reference for Bidder. The bidder should verify with

the specification document as whole and in case of discrepancy the same should be brought to

notice by the Bidder. The material supplied shall be as per approved make & specifications.

8.0 MANPOWER ASSISTANCE:

Necessary manpower for complete work which are in the scope of the contractor as per tender

specification shall be arranged by contractor for which no separate billing will be allowed.However supply of manpower for assistance in testing and commissioning or any other work /service as may arise which is not specifically included in contractor scope BHEL may require

skilled/unskilled manpower. The same has to be provided by the contractor.

Manpower assistance like skilled/unskilled should have the required trade tools along withthem For Instrument Technician only experience persons with minimum diploma

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9.0 DRAWINGS: The drawings as per list given under are furnished as attachment in Annexure-

II with the Tender document to assist the Bidder to assess the work requirements. Further

detailed drawings/ instructions for erection wherever relevant will be issued to the contractor

at the appropriate stage of erection.

LIST OF DRAWINGS ATTACHED WITH TENDER

SL.

NO.

DRAWING DESCRIPTIONS DRAWING NO.

1 General Plant Layout NMDC-TPL-X-024-00-50-BE-00001

2

Layout for Electrical Building-48 NMDC-TPL-X-024-05-29-DE-00076

3 Layout for Electrical Building-42 NMDC-TPL-X-024-05-29-DE-00077


5

Layout for Electrical Building-51 NMDC-TPL-X-024-05-29-DE-00079


7 Typical Earth Pit Details

10.0 NOTE TO TENDERER

a) The Tenderer must refer Part-D of the Tender Documents for Bidders Eligibility,

Mandatory documents to be submitted along with offer, Bid Acceptance Criteria and General Guidelines for Bid evaluation.

b) The Tenderer must quote the Price format fully ( against each item where qty is specified ).

No Items to be kept Blank. The Bidder shall not modify the Price format in any manner.c) The Tenderer must refer Annexure-II for Technical Requirements /Method of work /

Design Basis for Installation work

d) Since the tenderer can bill only for work done as per price format and any work /item of price format may undergo addition / deletion the Tenderer must ensure that unit pricesquoted for each items are reasonable.

e) The bid with any deviation either in commercial conditions or with respect to technical part

of the Tender cannot be accepted. Also Bid with any additional conditions stipulated by contractor

III

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SECTION-II

GENERAL INSTRUCTIONS FOR EXECUTION OF WORK

(Note: The conditions mentioned under this section are general in nature. The project

specific requirements furnished under annexure-II mentioned under scope of work andtechnical specification shall have higher order of priority in case of any conflict. )

1.0 INTRODUCTION :

1.1 This tender specification is for the erection and commissioning of the equipment supplied

by BHEL/ Contractor. The plant and equipment are dealt elaborately in a separate list and

other enclosed drawings and schematics.

The contract job also involves the satisfactory commissioning of the protective system

incorporated at various points in the scheme.

1.2 The entire job has been planned to be carried out and completed in all respects within the

time period specified to the successful bidder.

1.3 All the equipmentssupplied, erection and commissioned shall comply with the relevant

specifications and standards. The contractor shall also complete the entire installationsatisfactorily, satisfying all the statutory requirements of the local electrical supply

Authorities and Electrical Inspectorate.

1.4 The contractor shall be given the guidance, wherever necessary by BHEL Engineers. The

completed installation shall be commissioned under the supervision of BHEL Engineers.

2.0 GENERAL INSTRUCTIONS :

2.1 The tenderer shall quote for the complete scope as envisaged in the document. In case of

any deviation or inability to quote for any part of the scope the same must be clearly spelt

out in the offer.

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2.4 After the award of the contract, if it is found that the contractor’s progress of work is slow,

or quality of work executed is not up to the mark or the contractor is unable to post

adequately trained/ experienced workmen in good number or the contractor is unable to

deliver the materials in time to site etc., then, BHEL reserves the right either to curtail the

quantum of work and shift this to another contractor or can totally cancel the order for the

subsequent volume of work still to be executed by this contractor. BHEL have the final

say in the matter.

2.5 Dismantling or erection of all plant and equipments shall be carried out according to

modern engineering practice and also according to erection drawings, specifications, wiring

diagrams and instructions etc.,

2.6 All correspondence connected with the job have to be done/ taken up with the Site

Coordinator (at HQ Bangalore) only. The contractor shall not correspond directly with theuser of the equipment. However, under circumstances, such as the contractor requires a

shutdown of power to a part of the equipment or plant, may approach the user plant/ firm in

writing, well in advance. After getting the written permission to take up the job, the

contractor shall ensure without fail the DEAD CONDITION of the said equipment or plant.

2.7 The tenderer shall furnish along with the offer his organization chart of personnel working

under him as well as a second chart showing the number of personnel, their designation,their educational qualification, experience etc., of the personnel both skilled and unskilled,

he proposes to deploy for the above job. As the said job has to be carried out strictly

according to time schedule, the tenderer shall be prepared to re-inforce his man power and

shall work “ROUND-THE-CLOCK”.

2.8 The tenderer shall furnish along with the offer a list showing the description of the various

job he has so far executed, job on hand, the value of each job, period taken for the

execution, the full addresses of the customers for whom these jobs were executed etc.,

2.9 The contractor shall submit the list of tools and tackles and meters and instruments along

with his offer for the timely execution of the job. He shall also produce the necessary

certificates and proof of having tested the tackles and calibrated the meters and

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3.0 RESPONSIBILITY OF THE CONTRACTOR :

3.1 The plant premises and equipments shall be thoroughly cleaned after dismantling and

before commencement of erection work.

3.2 The contractor shall take due care in transporting the equipments in cases or open crates to

the erection site and to keep them in good working condition shall be responsibility of thecontractor. The unpacking shall be done in the presence of the BHEL engineers and also

the contractor shall assist in making the inspection report. Damages/ shortages shall be

reported in writing.

3.3 If facilities of EOT cranes, fort lifts, trucks or any other handling, transport means made

available to the contractor by the user or customer are chargeable and shall be directly paid

to the user or customer as the case may be.

3.4 The tenderer shall arrange for posting his own security personnel to safe guard the

equipments/ package handed over to him, not only at his storage yard, but also at the

erection site, TILL SUCH TIME the complete equipment is ultimately handed over to the

user.

3.5 The user/ customer shall provide an open area within their plant for the contractor’s site

office/ storage requirement. The contractor shall make his own arrangements for construction of his site office cum store etc., The contractor shall take precautions while

working under hazardous, unhygienic & rough weather conditions.

3.6 The contractor shall make his own arrangements for transport of his personnel from their

residences to work spot and back, for their boarding and lodging, medical assistance etc.,

3.7 All safety rules and regulations prevailing in the area and as desired by the customer shall

be observed by the contractor.

3.8 Installation of the electrical equipments and cabling shall be carried out strictly in

accordance with the Indian Electricity Rules relevant Indian Standards and Codes of

practice as well as to comply with the statutory regulation of Govt.of India and the

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3.10 Approved type of DANGER boards shall be used while working wherever required to

ensure safety of the personnel working.

3.11 All plant and equipments, the painting of which has been damaged during transport,

storage, erection or by corrosion shall be given two coats of paints (primer and finishing)

after removal of scales, rust, oil, grease etc., All iron works erected shall be provided with

one under coat and one final coat of paint. The final coat of paint shall match with theoriginal shade of paint provided on the machine. This painting shall also be done on the

earth strip also.

3.12 The site shall be kept clean at the end of every day’s work.

3.13 Any loss or damage to plant or equipment due to negligence of the contractor shall be made

good/ replaced by the contractor at his own cost.

3.14 The contractor shall take necessary insurance coverage for the life of his own personnel/

other personnel working at site for eventual accidents due to the negligence of the

contractor.

3.15 The contractor shall take due note of the working conditions, living conditions and

practices in the area, local labor recruitment regulations etc., and satisfy himself thoroughly

before quoting. No claims of extra payment will be entertained after the acceptance of hisquotation by BHEL.

3.16 Contractor to make their own arrangements for electrical power by Diesel generator etc and

use for welding drilling and other fabrication at site.Inextention project, where power is

made available by end customer and if the user customer levies any electrical consumption

charges for the power drawn by the contractor for erection work, the same shall be borne

by the contractor.

3.17 Provisional electrical power distribution wiring done by the contractor for erection

purposes shall ensure through safety to the personnel working and other equipment in the

plant failing which, the contractor shall be responsible for the resulting damage/ accidents,

if any. Any material the contractor intends to bring inside the customer’s premises or

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SPECIAL NOTE :

In order to avoid damages to mechanical/ electrical equipments due to welding current, the

contractor shall take two separate cables from the welding set, one cable for the electrode

holder and the other to earth point of welding, that is the point of welding shall have earth

connection directly from the welding set through cable and not through the plant

machinery, columns, cover plates etc., “This instruction has to be strictly followed inorder to avoid damages to electronic components, sophisticated mechanical serve

valves, printed circuit cards, special cables etc.,

3.19 Any drilling on the mechanical equipment shall be done with the consent of the authorities

responsible for mechanical installation.

3.20 Cutting of steel re-inforcement in the floor, wall beams etc., for the purposes of

installation/ dismantling of the electrical equipments, shall be done after obtaining prior

approval of the customer. Care shall be taken by the contractor that while drilling/

grinding/ welding etc., that mechanical equipments like open gear boxes, machine

bearings, cable galleries, other packages, etc., if any, under the place of work are properly

protected/ covered.

Also, while carrying out overhead installation/ dismantling etc., the area beneath shall be

clearly barricaded and caution boards hung on the barricade to caution the personnel

working on the floor.

3.21 All materials used and items supplied shall be new and best among their respective kinds

and shall be ideally suited for the purpose which they are intended. Any defect/

malfunctioning in the scope of work of the tenderer shall be repaired/ rectified by the

tenderer free of cost.

3.22 All works executed shall be suitable for the stringent working conditions of the user

industry, where, continuity of operation is the first consideration and hence, they shall have

easy and adequate access to facilitate connection/ disconnection, inspection, maintenance

and repair and shall with stand such variations of loads, pressure and atmospheric

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4.0 POSITIONING, LEVELLING ANDALIGNMENT :

The tenderer shall employ well qualified staff and provide them with complete set of tools

and tackles required for carrying out the job on modern engineering practice. The tools

used shall generally comprise of straight edges, dial gauges, spirit levels, packing shims,

leveling instruments like the theodolites etc., The alignment parameters shall confirm to

the accurate levels furnished in the customers drawing, specification etc., Only after achieving the desired parameter, the tenderer shall proceed with the grouting of the

equipments. The costs towards packing/ shims shall be included in the respective items of

works and no separate charges are payable for them.

5.0 GENERAL METHOD OF CABLE LAYING :

5.1 Cable laying works shall include laying of Low Tension Power Cables, control cables.

Special screened cables, heat resistance cables etc., This includes supply of all cableinstallation accessories such as GI pipes, conduits, metallic and flexible, cable racks, cable

supporting trays, clamps, cable boxes, cable termination kits, jointing kits etc., necessary

for the cable work, if specifically not mentioned in Bill of Materials.

5.2 Each cable shall be laid and terminated as per drawings/ instructions.

5.3 Termination will involve supply and installation of cable glands to suit the respective sizesof cables, sockets, joint boxes, numbering tags, fixing of cable ferrules on each core at both

ends as per the numbering designation given in the drawing, clamps etc., The cost of

termination shall include the supply of all accessories, if specifically not mentioned

elsewhere.

5.4 Cable binding works have to be carried out using non-magnetic binding materials.

5.5 Cables will have to run in trenches/ surface ducts/ cable trays of roof service platforms in

the shop and also partly along the structures, columns and walls of the building. At places,

where, the cable routes crosses roads, tracks etc., GI/ RCC hum pipes will have to be

provided for protection of the cables. Cable laying shall conform to the prevailing

standards and practices

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5.7 The contractor shall provide his own cable laying accessories like cable drum, supporting

stands, special cable jointing kits, heavy duty hydraulic crimping tools etc.,

5.8 The contractor has to specially note that wherever connections of aluminum and copper is

involved, bi-metallic cable shoes have to be used.

5.9 Wherever the cable leave the cable trench/ cable duct etc., and run through the floor to

connect an equipment, GI pipes have to be laid in the floor after chipping a duct in the

floor. Care shall be taken that the conduits are well plugged at both ends before they are

cast in the floor.

5.10 Wherever the cable comes out of the floor or cable duct etc., for connection to electrical

equipments, then, the cable shall be taken through metallic pipes or flexible metallic pipes.

No unprotected cable shall emerge out of the floor. The connection between conduits and

the machines/ equipments shall be done by flexible conduits, care shall be taken that there

is effective coupling between the conduit/ pipe and the flexible conduit.

5.11 Wherever cables are laid in the vicinity of heat/ hot rolled product/ or place where the hot

scales are likely to fall on the cables etc., the cable have to be laid in metallic pipes and

asbestos overall taping shall be done. Also, metallic sheet covering shall be done over and

above the taped piping.

5.12 If any installation of equipments has to be done in areas which are exposed to hot scales/

heat of rolled products etc., they have to be properly protected by sheet metal coverings.

5.13 Cables shall be fixed to racks, trays or cleats as required for proper supports giving

importance to easy accessibility and neatness.

5.14 All cable supporting trays, racks etc., shall be connected to the main earthing of the plant

side. The rate for this connection shall be included in the overall cost of laying of cable.

No separate rate shall be paid for the earthing.

5.15 Trays shall be used for support of a number of small cables. Each tray shall be firmly

supported and fixed, without sagging. Vertical distance between trays shall be not less than

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Exception :Laying of screened cables in trench along with other power cables are totally

prohibited.

5.17 If power cables, control cables and special screened cables have to be laid parallel to each

other a separate rack shall be employed for each group. Screened cable shall under no

circumstances be laid together with power cables. FURTHER, EARTHING OF

SCREENING SHALL BE DONE AT ONLY ONE POINT THAT TOO INCONSULTATION WITH BHEL SUPERVISORS.

5.18 Twisting & loops shall not be allowed to form during laying of the cables. Special care has

to be taken while laying cables on the existing ones.

5.19 Cables shall be so laid that subsequent replacement shall be possible at all time.

5.20 Cables coming from the sealing box or gland to the terminals of the apparatus shall beneatly arranged and sufficient length shall be provided to prevent the development of

tension or local pressure on insulators. They shall be suitably be supported and additional

insulation shall be provided at the point of support.

5.21 While laying cables vertically, it shall be clamped at intervals of 30 to 50 cms depending

on the size of the cables.

5.22 Cables bending shall be avoided as far as possible. If the bending is absolutely necessary

adequate radius as per standards depending on the size of the cables shall be provided.

5.23 Responsibility of economical cutting of cables without undue waste etc., shall rest with the

contractors.

5.24 Wherever possible the existing released cables shall be re-used after ensuring the required

current/ voltage rating, in order to effect economy in the cabling costs.

5.25 Cable termination shall be executed as per the wiring diagram which shall be handed over

to the successful tenderer prior to starting of the work.

5.25 Cable identification markers of non-corrodable material shall be permanently attached to

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5.27 The contractor shall supply to BHEL a list of cables laid, type of cable, cables terminated,

their sizes, length of each cable with reference to the cable number furnished in the cable

schedule the name of the terminating points etc., after every day’s cabling work is over.

This list shall be got counter signed by BHEL supervisory personnel.

5.28 The end of all cable cores shall be connected/ soldered as the case may be according to

connection diagrams supplied by BHEL. Supply of suitable cables shoes/ lugs etc., shallform the contractor’s scope and the prices for the same shall be included in the price per

termination of the respective cable, unless otherwise specified elsewhere.

5.29 All cores shall be suitably be ferruled/ numbered spare cores shall be segregated in a bunch

clearly marked as “SPARE” and shall be insulated at both ends.

5.30 The contractor shall procure all accessories for cable laying well in advance, so that, cable

laying/ termination works do not suffer for want of these materials. He shall also provide

enough quantities of cable jointing kits at site for undertaking similar works

simultaneously.

6.0 CIVIL ENGINEERING WORKS :

6.1 The contractor shall check the dimensions and correct positions of the foundations and bolt

locations and satisfy himself of the correctness of the same before he takes the equipmentfor erection.

6.2 All chipping works involved in making an opening in the roof, wall or floor of a building

or in masonry structure for purposes of erection and subsequent civil engineering works

like plastering of the chipping area, grouting of all frames, equipments, both holes etc.,

forms and scope of work of the contractor. Prior to grouting the contractor must

thoroughly ensure proper alignment of the erected part.

7.0 SHEET METAL ENCLOSED PANELS, CONTROL DESKS, BOXES ETC., :

7.1 Generally, erection of panels/ desks will be on the floor. The materials for base frame for

these equipments, wherever necessary shall be procured by the contractor himself and

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7.3 While erecting panels or desks etc., no welding shall be done to fix the panels/ desks on the

base frame. Only bolted connections shall be done. This applies to panel to panel

connections also.

7.4 Packing plates, shims etc., shall be used for leveling and aligning the equipments, including

supply.

7.5 Modifications in the existing panels like mounting of new devices, disconnection/

dismantling of old devices, rewiring etc., shall be done by the contractor wherever

necessary.

7.6 The contractor shall provide sufficient number of tarpaulins for covering panels and other

equipments during storage/ erection.

7.7 Handling of packages containing switch board/ desks etc., shall be done carefully usingwell tested wire ropes etc.,

7.8 After erection painting in any part of the equipments is damaged, the contractor shall paint

the same using paint to match the original paint.

7.9 If a panels is divided and sent in separate parts for transport purposes, then, the contractor

entrusted with the panel erection is responsible for carrying out the inter-panel wiring

between the segments separated for transport.

7.10 Earthing of panels/ desks/ control boxes etc., shall be done and ultimately connected to the

plants main earthing ring/ mat.

7.11 After erection, all bolted connections of bus-bars/ cables etc., shall be properly tightened to

avoid loose contacts.

8.0 EARTHING :

8.1 Parts of all apparatus not intended to be alive shall be earthed in accordance with the latest

Indian Electricity Rules and in an approvable manner.

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8.4 Each per insulated armored cable shall have its compression gland firmly locked on to the

gland plate of the apparatus concerned, where required, the gland plate shall be connected

to the equipment earth bar.

8.5 Earth strip/ wire shall be painted black and silver strips at regular intervals of width 50

mm.

8.6 Each electrical apparatus shall be earthed at two separate distinct earth connections to the

earth ring.

8.7 Supply of all materials including hardware and painting for the entire earthing is the

responsibility of the contractor and no extra rates payable for this.

8.8 Earthing of every electrical equipment including cable supports trays etc., shall form part

and parcel of the erection work of the respective equipment and hence no separate ratesshall be acceptable for earthing the installation. The rates quoted for erection of each item

shall be deemed to include the supply of erection materials and respective earthing work

also.

8.9 All switch boards, distribution boards, controls desks, switches, iron structures, conduits

etc., shall be connected up together to the main ring.

8.10 While dismantling the old equipments and in the place a new equipment is installed, as for

as possible existing earth connection shall be retained to minimize the earthing job.

However, the contractor shall ensure that the size of the earth connections so retained shall

be adequate for the new equipment.

9.0 FABRICATION WORK AT SITE :

9.1 The contractor shall be prepared to undertake structural designed and structural fabrication

work at site at short notices.

9.2 The contractor shall be prepared to procure the materials required for such fabrication

works at short notice

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10.0 LIST OF TOOLS :

10.1 Four sets of electrical and mechanical tools and tackles required for the erection and

commissioning of the above requirements.

10.2 A detailed list of tools tackles and instrument shall be attached along with the quotation by

the contractor.

2.1 GENERAL:

The responsibility of the contractor shall include, but not be limited to the following:

2.1.1 General Requirements, Rules & Safety Regulations

All the activities undertaken by the Successful Bidder and the resulting conditions in the

plant units with respect to their location, layout, general arrangement and design of equipment, structural design, etc. shall be as per approved documents OR written

instructions by BHEL – ISG site in charge. Top priority must be given to the Safety of personnel and compliance to relevant statutory requirements issued by Karnataka State

Government and the Central Government. Bidder shall comply with the following and any

other relevant rules & regulations issued from time to time by various statutory bodies:

- Karnataka State Factory Rules / Acts.- Indian Electricity Rules / Acts.

- Electricity Regulatory Commission Acts- Indian Explosives Acts.

- Gas Cylinders Rules /Acts.

- Static and mobile Pressure Vessels Code (Unifired) Rules / Acts.

- Fire Protection Manual issued by Tariff Advisory Committee (India)- Pollution Control Regulations / Acts.

- All such Applicable / Workmen related Acts like Minimum wages, PF, ESI

2.1.2 The Bidder shall strictly comply with BHEL HSE (Health Safety & Environment) Policy

and also shall abide by any additional guidelines issued from time to time by BHEL and by

M/s. NMDC Ltd (National Mineral Development Corporation Ltd) and their consultantM/s M N Dastur Kolkata with respect to Safety

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When the work is carried out at night or in the poor day light adequate arrangements for

flood lighting in the working area shall be arranged by the Bidder at his own cost and got

approved by BHEL-ISG site in charge.

2.1.4 Bidder shall supply, maintain and use various material handling facilities like Hydra, crane,

chain pulley block fork lift, transport vehicle etc for material handling at site, transport and rigging equipment including safety harnesses, lifting tools and tackles.

2.1.5 Bidder shall also supply, maintain & use various electrical apparatus of good quality,required for executing contract.

2.1.6 Bidder shall provide Valid Certificate from approved certifying agencies for electrical

meters, testers, megger, etc at site during contract execution period. Bidder shall keep proper record of all equipments, tools & tackles supplied by him and submit regular reports

to BHEL site Incharge regarding their availability in healthy, safely usable condition.

2.1.7 A register is to be maintained regarding the results of periodical tests/checks and other

particulars in respect of each and every such equipment.

2.1.8 The Bidder must take sufficient care in moving his construction plant and equipment from

one place to another, so that those do not cause any damage to the property of Purchaser or

obstruct construction activities of other contractors. The Bidder has to maintain his area of

work neat and tidy by proper housekeeping from time to time.2.1.9 Bidder shall employ all skilled, semi-skilled or unskilled labour, riggers, certified welders,

pipe fitters, instrument fitters, electrical fitters, licensed electricians, licensed cable jointers,

adequate number of licensed electrical supervisors, mechanics, foremen as well as erectionand testing engineers apart from office staff reporting to site contractors in charge who will

be responsible for overall scope & execution of work. Bidder shall employ qualified &experienced person(s) as his site in charge. Detailed organization chart shall be submitted

along with offer. Site organization chart will be displayed in contractor’s site office.

2.1.10 The electrical installation shall be carried out only by anelectrical contractor, holding a

valid license issued by theGovernment of Karnataka for carrying out installation work of

thevoltage classes involved, under the direct supervision of a personholding a certificate of competency for the same voltage classes,issued or recognized by the State Government.

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2.1.12 Cutting of chases/openings and removal of obstaclesin floor/walls/structures for laying of

pipes, cables and/ or other work with the approval of the Purchaser. Repair

andreinstatement after completion of the work shall be to the satisfactionof the Purchaser.

2.1.13 Supply of paint and painting of structures, supports etc erected by the contractor with

primer and finishedcoat of paint as specified, This shall also include touch-up paintingofequipment erected by the contractor. All equipment shall have to bemade identifiable by

lettering with synthetic enamel paint.

2.1.14 Lubricating and greasing in accordance with themanufacturer's instruction/drawings.

2.1.15 Provision of proper handling equipment e.g. hoists,winches, derricks, lifting jacks, slings,

pulleys, ropes etcas well as all erection tools and tackles, welding and gas cuttingmachines, power tools, hand lamps, local illumination, etcincludingcables required for connection of

these items.

2.1.16 Supply and installation of danger boards, cablemarkers, etc which shall be mounted

wherever required tomeet the relevant clauses of Indian Electricity Rules.

2.1.17 The electrical installation shall be complete in allrespects and all items essential for proper

installationand functioning of the electrical system shall be deemed to beincluded in the

scope of the specification whether specificallymentioned or not.

2.1.18 Bidder shall also devise computerized formats for various activities like material issue,

material reconciliation, loss / damage of material, daily attendance reports of his work

force etc. This will be approved by BHEL-ISG site in charge before implementation.

2.1.19 On an overall basis, the successful Bidder shall abide by all the provisions of BHEL SiteSafety Plan enclosed as Annexure – II and must comply with all prevalent statutory norms.

2.1.20 Unit of Measurement: All dimensions

and

weights

shall

be

given

in

metric

system.

2.1.21 Language: All drawings, sheets, correspondence, measurements, bills etc. shall be in

English language only.

2 1 22 The Bidder shall prepare all documents like measurement sheet bills

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SECTION ‐ III

SPECIAL CONDITIONS OF CONTRACT1.0 PRICES:

A) The price quoted by the contractor shall be firm and valid till 90 days unless otherwise

specified. Contractor shall quote unit price for scope of work as specified in the price bid. The

price quoted shall be firm and valid including all taxes, duties, overtime and other expenses.

B) If there is delay in completing the erection, for the reasons attributable to the contractor,

compensation for delay shall be as per the enclosed GCC.

C) Bids with price variation clauses will not be entertained. The prices shall be firm throughout

the period of the contract and extensions thereof, if any.

2.0 HANDING OVER OF SITE TO THE CONTRACTOR:

The site for the erection of electrical equipments will be handed over to the contractor from

time to time based on front receipt from customer and the sequence in which portions it shall

be made available to him shall be decided by the Resident Manager of BHEL ISG. The

contractor shall commence the erection work without delay.

3.0 GUARANTEE:

The contractor shall guarantee the complete work done by him under this agreement for

proper functioning, free from defects till the Testing is complete and cleared for despatch.

Defects of workmanship discovered during this period shall be made good by the contractor

immediately free of charge. Any damage caused to any parts of the equipment’s while

handling / assembly have to be made good by the contractor without affecting the completion

date.

4.0 SCHEDULE DATE FOR STARTING AND COMPLETION:

The contractor should note that time is the essence of contract. The contractor shall mobilise

the resources of manpower, tools, tackles and machines etc to meet the committed schedule.

The contractor shall mobilise the resources in consultation with our Resident Manager, as per

site requirements However in the eventuality of job getting delayed the prices shall remain firm

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Within 2 Weeks from receipt of material requisition by BHEL-Site In-charge.

B) Erection and InstallationAs per Commercial Terms and Conditions.

Note: Contract period is given here as overall contract period to close all pending

issues and handover the project to customer. However BHEL is expected to

complete the installation work within a period of 3-4 months. Accordingly erectionschedule in consultation with customer will be prepared and will be monitored

periodically by all agencies involved. Any crash schedule imposed on BHEL by

customer shall be binding on contractor and the contractor shall be equipped to re-

inforce his resources to meet the schedule. Any delay due to contractor which

results in delay in commissioning shall be treated as failure of contract schedule

on the part of Contractor.

5.0 POWER TO RECOVER DUES:

In case any loss is to be made good by the contractor to BHEL, then the BHEL shall be entitled

to retain or deduct the amount due to BHEL from any money that may become due to the

contractor under any other contract or contracts or of any other kind whatsoever.

6.0 CONTRACT INCLUDES ALL NECESSARY OPERATIONS:

The contract is to include the whole of the works whether permanent or temporary which aredescribed in, or implied by the contract documents or which may be inferred to the obviously

necessary for the efficiency, stability and completion of the permanent works and also the

performance of all other operations and the supplying of all materials and documents which

may be deemed desirable or required for the completion in all respects of the above work to

the satisfaction of the engineer, and all such matters shall be deemed as included in the

contract sum. All other conventional tools other than the one given by the suppliers of the

machinery/equipment is to be mobilized by the contractor. It may be noted that unscientific

method of using non-conventional tools will not be permitted. No damage should be caused to

the bolts, nuts and other parts provided in the equipment while under assembly or erection.

7.0 OUT TURN AND DISCIPLINE:

The supervisory staff employed by the contractor shall ensure proper out turn of work and

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8.0 PROVIDING WORKMEN AND SUPERVISORY PERSONNEL: The contractor shall provide skilled, semi-skilled and unskilled workers including qualified

welders, fitters, gas cutters, riggers, lineman, tower climbers, qualified electricians, jointers,

helpers etc., for all the work covered under this specification. Only fully trained and competent

men with previous experience on the job shall be employed. They should hold valid trade

certificates and licences. BHEL also reserves the right to insist on removal of any employee

of the contractor at any time if found unsuitable and the contractor shall forthwith remove

such employee. In the event of increase or decrease in the category of workers,

supervisors, the contractor should take prior approval of BHEL engineer.

The contractor is to provide supervising engineer experienced in the various classes of

works included in this contract.

The Chief supervising engineer or his nominated deputy is to be given full responsibility as

representative of the contractor to discuss with the BHEL Resident Manager/Engineer-In-

Charge at site in regard to execution of the contract. The supervisory staff should have closesupervision for safety of equipment and men during erection/assembly.

The contractors’ supervisory personnel/technical personnel shall remain always at the site of

work during working hours personally checking all the items of work and paying extra attention

to such works as may demand special attention. In case of any unauthorized absence of the

technical personnel from site during work, BHEL site manager will get the work done at

contractors risk /cost.

9.0 CONTRACTOR TO TACKLE ALL FRONTS:

At various times, there will be sufficient front to tackle one or more fronts. The contractor

should be equipped to tackle all the fronts given.

10.0 ASSEMBLY AND ERECTION AS PER DRAWING:

The assembly, erection of the equipment’s should be strictly carried out as per the guide

lines and tolerances indicated in the respective manufacturers / suppliers and BHEL

drawings. Materials should be handled exactly as per the materials handling drawing

furnished by the suppliers. The erection shall be done exactly as per the erection procedure

ti l t d b th i li Th t t h t t ti f ll th

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11.0 QUALITY AND TOLERANCE:

The contractor’s supervisory staff shall execute the work in the most substantial and

workman like manner in the stipulated time, Quality, accuracy, tolerance, alignment, run out

and aesthetic finish of work are essential part of this contract. If any part of work is rejected

on account of poor quality/workmanship, contractor shall rectify the same at no extra cost.

The contractor shall be responsible to ensure that all the work conforms to the dimensions

and tolerance and other values indicated in the various drawings and relevant standards asindicated by BHEL Engineers. Separate field quality assurance plans may have to be

submitted by the contractor.

12.0 INCREASE IN WORKMEN:

If BHEL desires that the contractor has to increase his workmen to keep up the progressof work, the contractor should suitably increase his workmen. The contractor shall be

prepared to arrange for round the clock work in 3 shifts if necessary to hasten erectionwork.

13.0 INCIDENTAL WORKS: All the works such as cleaning, checking, leveling, assembling, as

may be applicable in such erection work as incidental to the erection and necessary to complete

the work satisfactorily shall be carried out by the contractor at no extra cost.

14.0 PROVIDING GENERAL CONSUMABLES AND TOOLS:

The contractor is expected to have sufficient quantity of all normal tools and tackles,necessary for the work envisaged in this specification. In case the contractor is unable to supply

the tools and plants in time or if the tools and plants are defective, similar tools and plants will be

spared to the contractor on chargeable basis by BHEL if the same are available with BHEL.

However, the contractor shall see to it that the defective tools and plants are removed/replace

immediately under intimation to the engineer. The general consumable such as cotton waste,

kora cloth, emery sheets, kerosene, general purpose welding electrodes are to be provided at no

extra cost. Any other consumable which are required for the works but not mentioned in thesespecifications should be provided by the contractor at no extra cost.

15.0 DOCUMENTS AND DRAWINGS:

The contractor will be given relevant drawings during the course of work, which shall be

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16.0 LIABILITY FOR DAMAGE TO WORK OR PLANT:

The contractor shall during the progress of the work, properly cover up and protect the

work and plant from injury by exposure to the weather, and shall take every reasonable, by

exposure to the weather, and shall take every reasonable, proper timely and usual precaution,

against accident or injury to the same from any cause and shall be and remain answerable and

liable for all accidents or injuries there to which until the same, be or be deemed to be, taken over

may arise or be occasioned by the acts or omissions of the contractor or his workmen or his sub-contractors, and all losses and damages to the works or plant arising from such accidents or

injuries as aforesaid shall be made good in the most complete and substantial reasonable

satisfaction of the engineer should such loss or damage happen to units or work plant or materials

falling outside the scope of this contract and the contractor due to these shall be replaced or

compensated for by the contractor to the satisfaction of the engineer.

17.0 PROTECTION OF EQUIPMENT AND SAFETY:

The contractor shall take all reasonable care to protect the materials handed over to him.

Wherever necessary, suitable temporary fencing and lighting shall have to be provided by the

contractor as a safety measures against accident and damage of property to BHEL. Suitable

caution notices shall be displayed where access to any part may be deemed to be unsafe and

hazardous. All the necessary safety rules and regulations as applicable and stipulated by

concerned authority should be followed strictly and contractor worker/staff should be given proper

safety training and required safety materials should be issued while carrying out the assemble orerection works. Fist Aid Box and other necessary medical kit should be made available by the

contractor for his staff and workmen.

18.0 MINOR CHANGES/ MODIFICATIONS:

Any changes in the location of panels or any equipment’s as may required for

convenience of the Testing shall be carried out as per the direction of BHEL at no extra cost.

19.0 CONSTRUCTION POWER & WATER:

The power supply and water to the contractor for the work will be given at site free/

chargeable. If customer charges for the power & water the same will be recovered from the

contractor bills. Further connections to various points will have to arrange by contractor himself.

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20.0 REMOVAL OF SCRAP AND DEBRIS:

The contractor shall remove from the vicinity of work all scrap materials, rubbish, unused

and other materials and deposit them in places to be specified by BHEL engineers at the end of

each day or as may be required by site engineer to keep the work site clean and tidy. Upon

completion of work as directed by BHEL, the contractor shall also demolish all hutments’, sheds,

offices constructed and used by him and shall clean the debris. In the event of his failure to do so,

the same shall be arranged by BHEL expenses thereof will be recovered from the contractor.

21.0 RETURN OF SURPLUS ITEMS:

All the surplus, damage, unused materials, package materials/containers etc., supplied by

BHEL shall be returned to BHEL. The loading of these items to the transporting vehicles and

unloading of these items at stores should be done by the contractor at no extra cost. The

required loading and transportation arrangements should be made by the contractor at his

expenses.

22.0 ACCOMODATION AND TRANSPORTATION:

The contractor is solely responsible for arranging accommodation and transportation for

his staff and workers.

23.0 INSURANCE:

M/s. BHEL shall obtain marine-storage cum erection insurance policy for the equipment.

However, the contractor shall exercise great care during transportation and erection of equipment.

In case of thefts, contractor should file the FIR in the nearest police station and coordinate with

BHEL and insurance co. for making the claims.

The contractor shall, prior to the commencement of work, take an insurance policy under

the accident insurance plans of General Insurance Co. of India covering claims under workman

compensation Act 1923 with all latest amendments to cover risks such as accidents, injury ordeaths and third party claims against his liability for any material or physical damage, loss or

injury which may occur to any person or property arising out of execution of contract. Insurance

for all tools/tackles provided by the contractor shall be taken care by the contractor.

The contractor shall whenever require produce to the engineer the policy or policies of

7/29/2019 4_1PART_C


ISG - BANGALORE



and such consent, if given, shall not relieve the contractor from any liability or obligation under the

contract and he shall be responsible for the acts, defaults and neglects of sub-contractor, his

agents, servants or workmen, provided always that the provision of labor on a piece work basis

shall not be deemed to be sub-letting under this clause.

25.0 STATUTORY REQUIREMENTS:

A) Payment to the workers shall be paid as per the minimum wage act as applicable inKarnataka state and labour agreement entered by BHEL with their unions shall be followed by the

contractor. Contractor to fulfill all the statutory obligation w.r.t. labour i.e. wages/ safety/ ESI/ EPF

& other provisions as per contract labour act.

B) Payment of wages to worker by every month.

C) Depositing the ESI, EPF regularly and producing the documentary evidence to BHEL.

D) Maintaining all registers like EPF, ESI, List of work men, gate passes etc., as per the rules

of Karnataka State Government/BHEL labor laws. Relevant documents to be produced to

BHEL on demand.

E) The entire work has to be carried out in accordance with relevant clauses of Indian Standards,/ Indian Electricity act / Indian electricity rule, the clearances as applicable for the constructionin Karnataka state is the responsibility of contractor. Contractor shall obtain approval for allthe drawings, the equipment erected by him and other clearances from the concerned

authorities. All the necessary co-ordination, drawings, etc., as required for this shall bearranged by the contractor. Unless otherwise specified Fees and other expenditure will not bereimbursed.

26.0 PAYMENT TERMS:

The quantities indicated in the price bids are only indicative. Payment for the bidders shall

be made on unit rate basis for the actual quantity of work executed at site under thecertification of BHEL Engineer - In - Charge. The equipment weight or dimension

mentioned is an indicative, during erection if the weight, dimension and elevation changes,

BHEL will not pay any additional payment. If any major items are added at latter date,

required for the project shall also be carried out by the bidder, for which rates shall be

PART C

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ISG - BANGALORE



All the payments shall be made from Bangalore office.

Unless otherwise specified in commercial conditions, Our payment terms, price bid wise is

as follows.

For Erection/ Installation/ Manpower assistance

1) 90% of the Price shall be released progressively equipment wise as

per BOQ on the completion of the J ob to be certified by BHEL-SiteEngineer based on certification of Customer.In case of Supply of separately billable items the 90% payment to

be released against proof of receipt of material at Site.

For Manpower assistance 90% payment to be released against

certified Time sheets.

2) 5% against after Trial Run of Individual system for individual

erection works / completion of all trial Runs for common works/Items

3) 2.5% against after issue of Preliminary acceptance certificate issuedby User/Customer.

4) 2.5% against Final Acceptance of the Plant issued by User/Customer.

Note: Terms of PAC /FAC shall be in line with BHEL’s contract with

customer.

Payment of prorata progress of work shall be released on submitting the monthly invoice

/running bills. All the Invoice/running bill should be routed through Resident

Manager/Engineer-In-Charge.

Income tax shall be deducted at source as per rules. Security Deposit will be recoveredas per the enclosed GCC- PART-B, CHAPTER III, CLAUSE 16 (PAGE NO.6).

27.0 The bidder shall posses or obtain a valid bidders license for executing the electrical

contracts work in said state or place of work. A copy of the bidder’s license, permanent

wireman’s supervisory certificate license for working on EHT lines list of tools and

PART C TENDER FOR ERECTION WORKS

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ISG - BANGALORE



29.0 ARBITRATION: All disputes between the parties to the contract arising out of or inrelated to the contract, other than those for which the decision of Engineer or any otherperson is by the contract expressed to the final and conclusive, shall after written notice byeither party to the contract or the other party, be referred to sole arbitrator of the GeneralManager of BHEL or his nominee. The arbitration shall be conducted in accordance with theprovision of Indian Arbitration Conciliation Act 1996 and the rules there under and anystatutory modifications thereof. The place of arbitration will be at Bangalore. The parties tothe contract understand and agree that there will be no objection that the General Manager orhis person nominated as Arbitrator had earlier in his official capacity to deal directly orindirectly with the matters to which the contract relates or that in the course of his officialduties had expressed views on all or any of the matters in dispute of difference. The award of Arbitrator shall be final and binding on the parties to this contract.In the event of Arbitrator dying, neglecting or refusing to act or resigning or being unable to actfor any reason or his award being set aside by the courts for any reason, it shall be lawful forthe General Manager or his successor, as the case may be, either to act himself as theArbitrator in place of outgoing Arbitrator in the manner aforesaid.

The Arbitrator may, from time to time, with consent of both the parties to the contract, enlarge

the time for making the award.

The work under the contract shall be continued during the arbitration proceedings. The venue

of arbitration shall be such place from which the contract is issued or such other place as the

Arbitrator at his discretion may determine.

30.0 Apart from the foregoing this tender shall be further governed by BHEL’s GeneralConditions of Contract (GCC) enclosed with this tender.

31.0 In case contractor fails to meet the schedule of completion, the same will be carried out at

the risk and cost of the contractor. BHEL shall be free to en-cash all Bank Guarantees

and if this is not sufficient, the balance additional cost shall be payable by the defaulting

contractor.

32.0 JURISDICTION: Disputes, if any, arising out of this order shall be subject to the jurisdiction of Bangalore Courts only.

33.0 The bidder must visit site and acquaint himself with the site conditions before quoting their

offer. For any clarification contact Contract Manager at our Bangalore office or Resident

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IS-1-11-2000/ EC-02 1.2 MPTA PELLET PLANT, DONIMALAI ANNEXURE-I

7/29/2019 4_1PART_C


PART-C OF TENDER SPECIFICATION FOR ERECTION WORKS PRICE FORMAT

UNIT

(Rs.)

TOTAL

(Rs.)

UNIT

(Rs.)TOTAL (Rs.)

Rate for Supply Rate for Erection

Unit QtySL.No Item Description Size / DimensionErection

Location

2.2.1 2000 kVA, 6.6 kV / 450 V transformer Weight: 6500 Kg, Oil Capacity:

1400 ltrs,

Size: (3000x3000x2800) mm

ECR-

G Floor

SET 6

NA NA 0

2.2.2 1000 kVA, 6.6 kV / 450 V Transformer Weight: 4000 Kg, Oil Capacity:

900 ltrs,

Size: (2500 x3100 Xx2500) mm

ECR-

G Floor

Nos 2

NA NA 0

2.2.3 Oil filtration: Filtration of oil for above transformer as

necessary. (Fltering Machine of suitable size must be

arranged.)

Ltrs 10000

NA NA 0

2.3

2.3.1 LIGHTING TRANSFORMERs

2.3.1.1 50 KVA, 415/415-230V, Dry Type , Single Ph

1500x1600x1250, 700Kgs

ECR-48-

+16M Lev

Nos 2 NA NA 0

2.3.1.1 50 KVA, 415/415-230V, Dry Type , Single Ph

1500x1600x1250, 700Kgs

ECR-

G Floor

Nos 4 NA NA 0

2.3.1.1 25 KVA, 415/415-230V, Dry Type

1500x1000x1110, 500Kgs

ECR-G Floor

Nos 1 NA NA 0

2.3.2 Transformers for LT VFD's ( KVA rating is tentative subject to

+/-15% variation )

2.3.2.1

330KVA, 415V /426V, 3Ph ( For Pelletiser Disc - Balling Unit ) 1500x1850x1575, 1650Kgs

ECR-49- G

Floor

Nos 3 NA NA 0

2.3.2.2

75kVA, 415V /426V, 3Ph ( For Disc Feeders- Balling Unit ) 1500x1600x1350, 800Kgs

ECR-49- G

Floor

Nos 1 NA NA 0

2.3.2.3

200KVA, 415V /426V, 3Ph 1500x1600x1575, 1150Kgs

ECR-48-

+16M Lev

Nos 1 NA NA 0

2.3.2.4

75kVA, 415V /426V, 3Ph 1500x1600x1350, 800Kgs

ECR-48-

+16M Lev

Nos 1 NA NA 0

2.3.2.5

75kVA, 415V /426V, 3Ph 1500x1600x1350, 800Kgs

ECR-48-

+16M Lev

Nos 1 NA NA 0

2.3.2.6

100kVA, 415V /426V, 3Ph 1500x1600x1350, 875Kgs

ECR-42- G

Floor

Nos 1 NA NA 0

2.3.2.7

75kVA, 415V /426V, 3Ph 1500x1600x1350, 800Kgs

ECR-42- G

Floor

Nos 1 NA NA 0

ERECTION OF DRY TYPE TRANSFORMERS The work

involves placement, alignment, Assembly of Loose items and Assistance in testing as specified.

Note: The Tenderer must quote the Pr ice format fu lly ( agains t each i tem where q ty is spec if ied ) and shal l no t modif y price format in any manner . Page: 3of 26


7/29/2019 4_1PART_C



UNIT

(Rs.)

TOTAL

(Rs.)

UNIT

(Rs.)TOTAL (Rs.)



Location

2.3.2.8

40kVA, 415V /426V, 3Ph 1500x1600x1350, 700Kgs

ECR-42- G

Floor

Nos 1 NA NA 0

2.3.2.9

40kVA, 415V /426V, 3Ph 1500x1600x1350, 700Kgs

ECR-50- G

Floor

Nos 1 NA NA 0

2.4 ECR-

G Floor

Set 6

NA NA 0

2.5 ERECTION OF PANELS

LT Power Control Centers

2.5.1 LT Power Control Centers-1 Panel Size: (8100 X 1750 X 2400)

mm, Approx. weight: 9500 kgs;

Shipping Section consists of nine

(Approx 9 Nos) Panels

ECR-48 G-

Floor

Set 1

NA NA 0

2.5.2 LT Power Control Centers-2Panel Size: (9450 X 1710 X 2400)


Shipping Section consists of

eleven (Approx 11 Nos) Panels

ECR-48 G-

Floor

Set 1

NA NA 0

BUSDUCTS: Indoor , Three ph- neutral Non- segregated 3000A Busduct with Al

Busbars in common metallic Enclosure of Aluminum with IP54 protection , Complete set

along with required bends for connection between Secondary side of 2000 kVA, 11kV/433V

transformers and Incomer of the 415V LT PCC as per specification . One set means one

complete connection between one transformer to one incomer of the PCC. (Length of each

set: Approx. 10 m)

Erection of Busducts shall include mounting of supporting structures (supplied along with Busduct) as

required, assembly of all sections and minor civil works wherever required. Sections of busducts

installed outdoor shall be supported from ground while indoor sections shall be supported from ceiling

and/or wall with M.S brackets/ hangers fixed by means of rawl bolts.

Scope includes Material receipt from BHEL store, transportation to erection site, placement &

alignment of shipping sections, bus bar joining between shipping section, Fabrication & mounting of

Panel support. Cable termination between shipping section, Incomer and Assistance in Testing and

other service as specified. The size, no.of shipping sections, weight and quantity of the panels

mentioned below are tentative and are subject to variation.



7/29/2019 4_1PART_C



UNIT

(Rs.)

TOTAL

(Rs.)

UNIT

(Rs.)TOTAL (Rs.)



Location





ECR-42 G-

Floor

Set 1

NA NA 0





ECR-48 G-

Floor

Set 1

NA NA 0

Automatic Power Factor Correction (APFC) PANELS

2.5.5 APFC Panels ( 300 KVAR):

for each bus section of LT PCC-1, 2, 3

Panel Size: (3240 X 1020 X 2460)

mm, Approx. weight: 4000 kgs

ECR 48,

10 mtr level

Nos 6

NA NA 0

2.5.6 APFC Panels ( 150 KVAR):

for each bus section of LT PCC-4

Panel Size: (2430 X 1020 X 2460)

mm, Approx. weight: 4000 kgs

ECR 42, G-

Floor

Nos 2

NA NA 0

2.5.76.6 kV HV Motor Control Centre (HVMCC) Size: (21600 x2300 x2300) mm, in

27 shipping sections, Approx wt:

25000kg

ECR 48,

10 mtr level

Set 1

NA NA 0

LT Motor Control Centre ( Single Incomer, Non-Drawout,

Incomer panel having double depth 1020mm)

2.5.8 MCC-1 Panel Size: (16800x510x2400) mm

Appx. Wt: kg 8000Kg. No of

Shipping sections : 11

ECR-42 G-

Floor

Set 1

NA NA 0


Appx. Wt: kg 4000Kg, No of


ECR-42 G-

Floor

Set 1

NA NA 0

2.5.10 MCC-3A Panel Size: (13560x510x2400) mm



ECR 48,

+10 mtr level

Set 1

NA NA 0

2.5.11 MCC-3B Panel Size: (19230x510x2400) mm



ECR 48,

+10 mtr level

Set 1

NA NA 0



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UNIT

(Rs.)

TOTAL

(Rs.)

UNIT

(Rs.)

TOTAL (Rs.)



Location




ECR-50 G-

Floor

Set 1

NA NA 0




ECR-

G Floor

Set 1

NA NA 0




ECR-42 G-

Floor

Set 1

NA NA 0

2.5.15 MCC-7 Panel ( consists of two parts which are to be joined with side

Busduct of length 3000mm x 510 mm x 300 mm). Note Busduct

erection cost to be quoted separately as under.

2.5.15.1 MCC-7 Panel (Consisting of two parts ) Total Size: (11150x510x2400)

mm Appx. Wt: kg 5600Kg, No of


ECR-

G Floor

Set 1

NA NA 0

2.5.15.2 Erection of Side Busduct ( 3000mm x 510 mm x 300mm ) between

two parts of MCC-7 as above.

( 3000mm x 510 mm x 300mm )

Approx wt: 800Kg

ECR-

G Floor

Set 1 NA NA 0

2.5.16 MCC-8 Panel Size: (9510x510x2400) mmAppx. Wt: kg 4800Kg, No of


ECR-42 G-Floor

Set 1 NA NA 0

2.5.17 MCC-10 Panel (Emergency MCC) Size: (9510x510x2400) mm



ECR 48,

10 mtr level

Set 1

NA NA 0

LT POWER DISTRIBUTION BOARDS ( Single Incomer, Non-

Drawout, Incomer panel having double depth)

2.5.18 PDB-1 Panel (Compressor House) Size: (3840x2400x510) mm

Approx wt: 2000kg Shipping

section: 3

ECR-44 G-

Floor

Nos 1

NA NA 0

2.5.19 PDB-2 Panel (Repair Shop) Size: (6270x2400x500) mm

Approx wt: 2500Kgs Shipping

sections : 4

ECR-34 G-

Floor

Nos 1

NA NA 0

2.5.20 PDB-3 Panel (Laboratory Building) Size: (7080x2400x500) mm


sections : 5

ECR-27 G-

Floor

Nos 1

NA NA 0



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UNIT

(Rs.)

TOTAL

(Rs.)

UNIT

(Rs.)

TOTAL (Rs.)



Location

2.5.21 PDB-4 Panel ( main ECR) Size: (3840x2400x510) mm

Approx wt: 2000kg Shipping

section: 3

ECR 48,

10 mtr level

Nos 1

NA NA 0

2.5.22 PDB-4A Panel ( main ECR) Size: (7080x2400x500) mm


sections : 5

ECR 48,

10 mtr level

Nos 1

NA NA 0

2.5.23 PDB-5 Panel ( For LCSS) Size: (9510x2400x500) mm


sections : 7

ECR-42 G-

Floor

Nos 1

NA NA 0

2.5.24 PDB-6 Panel ( For Balling Unit) Size: (4650x2400x500) mm


sections : 4

ECR-49 G-

Floor

Nos 1

NA NA 0

2.5.25 Emergency PDB (Main ECR) Size: (3800x2400x1350) mm

Appx. Wt: 4000Kg (4 Shipping

Sections)

ECR 48,

G-Floor

Set 1

NA NA 0

LT VFD DRIVE PANELS (ABB make)

2.5.26 LT VFD Drive Panels for Disc Feeders of Balling Unit (Group-4)Size: (1600x2300x700)mm

ECR-49 G-

Floor

Set 1 NA NA 0

2.5.27 LT VFD Drive Panels for Roots Fan for Burner (Group-7) Size: (2200x2300x700)mm ECR 48,

+16 mtr level

Set 1

NA NA 0

2.5.28 LT VFD Drive Panels for Disc Feeders of Proportioning Unit

(Group-1)

Size: (1600x2300x700)mm,

Wt: 500kg

ECR-42 G-

Floor

Set 1 NA NA 0

2.5.29 LT VFD Drive Panels for Belt feeders of RMS (Group-2)Size: (2000x2300x700)mm

ECR-42 G-

Floor

Set 1 NA NA 0

2.5.30 LT VFD Drive Panels for loss in weigh scales screw feeder (Group-

3)

Size: (3100x2300x700)mm ECR-42 G-

Floor

Set 1 NA NA 0

2.5.31 LT VFD Drive Panels for Disc Pelletisers Balling UnitSize: (1800x2300x700)mm

ECR-49 G-

Floor

Set 3 NA NA 0

2.5.32 LT VFD Drive Panels for Swing belt feeders (Group-6) Size: (1600x2300x700)mm ECR 48,

+16 mtr level

Set 1

NA NA 0

2.5.33 LT VFD Drive Panel for coal mill segregator (Group-9)Size: (1200x2300x700)mm

ECR-50 G-

Floor

Set 1 NA NA 0



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UNIT

(Rs.)

TOTAL

(Rs.)

UNIT

(Rs.)

TOTAL (Rs.)



Location

2.5.34 LT VFD Drive Panels for Chain Grate Drives

Size: (900x2300x700)mm

ECR 48,

+16 mtr level

Set 1

NA NA 0

HT VFD DRIVE PANELS (SIEMENS)

2.5.35 HT VFD Drive Panel for 1600KW ESP FanSize: (5000x3000x1200) mm,

Wt: 7200 Kg (2 shipping sections)

ECR 48 G-

Floor

Set 1

NA NA 0

2.5.36 SOFT STARTER Panels for160KW Motors 1600x2100x800mm Wt: 600Kg ECR 48,

10 mtr level

Set2 NA NA 0

2.5.37 MLDB: Main Lighting Distribution Boards Size: (3500x2200x600)mm Wt:

1500Kg

ECR 48 &

LCSS-42

Sets 2 NA NA 0

2.5.38 Wall Mounted Mimic Panel for HT Board Size: 1000x1000x300 mm Wt

150kG

ECR 48,

10 mtr level

Set 1 NA NA 0

AUTOMATION SYSTEM/ DCS PANELS

2.5.39 DCS CONTROL PANELS Size: (1200x2000x800)mm ECR 48,

+16 mtr level

Nos 2

NA NA 0

2.5.40 RIO PANELS (

4 Nos RIOs to be installed at ECR 48, 10 mtr level, Balance in G-

Floor of various ECR)

Size: (800x1000x600) mm ECR Set 12

NA NA 0

2.5.41 OPERATOR CONTROL DESKs

( work include placement and assembly of complete setup with

associated furniture )

Approx Total length: 12 Mtrs

ECR 48,

+16 mtr level

Lot 1

NA NA 0

2.6 COMPUTER SYSTEM

2.6.1 Placement of computers and Printers for DCS system (computersare

to be fitted in the control desk provided with ready made suitable

cutouts) No of PC's :9 nos and No of

Printers : 4nos

ECR 48, 16

mtr level

Lot 1

NA NA 0

2.6.2 Installation of Video Projector ( shall

include fixing of mounting Bracket)

ECR 48, 16

mtr level

Nos 1 NA NA 0

2.7 UPS / BATTERY BANKS/ BATTERY CHARGERS

2.7.1 2x 60 KVA, 110V Hot Standby Redundant UPS System with

Battery Bank + ACDB

2000x2000x1000 &

2000x1000x500

ECR 48, 16

mtr level

Lot 1 NA NA 0

2.7.2 2x 15 KVA, 240V Hot Standby Redundant UPS System with

Battery Bank +ACDB

1600x2000x1000 &

1200x1000x500

ECR 48, 16

mtr level

Lot 1 NA NA 0



7/29/2019 4_1PART_C



UNIT

(Rs.)

TOTAL

(Rs.)

UNIT

(Rs.)

TOTAL (Rs.)



Location

2.7.3 BATTERY CHARGER 220V DC + DCDB + Battery Bank 3500X2000X600 &

3000X2500X1500

ECR 48, 10

mtr level

Lot 1 NA NA 0

2.8

2.8.1 SLDB (Wall Mounted) Size:(1200x800x300)mm,

Wt: 150Kg

ECR Nos 7 NA NA 0

2.8.2 MCBDB (Wall Mounted ) Size:(1000x800x300)mm,

Wt: 120 Kg

ECR Nos 40 NA NA 0

2.8.3 MCBDB (Outdoor Pedestal Mounted) Size:(1000x800x300)mm,

Wt: 120 Kg

Nos 5 NA NA 0

2.8.4Wall Mounted/ Pedestal mounted Distribution Boards for

various Supply ( Dimensions & wt given are tentative & Average)

500x500x300 mm Wt: 50kg ECR Nos 10

NA NA 0

2.9

2.9.1 LT Power JBs Size:(450x350x250)mm,

Wt: 20 Kg

Nos 60 NA NA 0

2.9.2 LT Power JBs Size:(300x300x200)mm,

Wt: 15 Kg

Nos 60

NA NA 0

2.9.3 Control JBs Size:(600x300x200)mm,

Wt: 25 Kg

Nos 200 NA NA 0

2.9.4 Control JBs Size:(200x200x150)mm,

Wt: 15 Kg

Nos 200 NA NA 0

2.9.5 Local Control Stations (LCS) Size:(600x600x300)mm,

Wt: 30 Kg

Nos 400 NA NA 0

Fabrication of suitable brackets/ supports required for fixing/ erection of the DBs is in contractor's scope and

cost of fabrication can be billable separately on tonnage basis as per rate mentioned against

'Fabrication of Steel'. Supply of steel required for fabrication of brackets/ supports is in BHEL scope.

Scope includes Installation including connection of earth flat/wire to all DBs.

ERECTION OF JUNCTION BOXES/ LCS/LCP in Field area

ERECTION OF LIGHTING DISTRIBUTION BOARDS

Scope includes Installation including Fabrication of suitable brackets/ supports required for fixing the

junction boxes and cost of fabrication can be billable separately on tonnage basis as per rate mentioned

against 'Fabrication of Steel'. Supply of steel required for fabrication of brackets/ supports is in BHEL scope.

Vendors scope includes connection of earth flat/wire to all JBs. Supply of Earth flat/ wire is in BHEL scope.

However laying of Earth flat is billable separately.



7/29/2019 4_1PART_C



UNIT

(Rs.)

TOTAL

(Rs.)

UNIT

(Rs.)

TOTAL (Rs.)



Location

2.9.6 Local Control Panels (LCP) Size:(1000x1000x600)mm,

Wt: 60 Kg

Nos 3 NA NA 0

2.10 RECEPTACLES

2.10.1 240V, 20A Switch Socket Outlet Nos 70 NA NA 02.10.2 415V, 63A Switch Socket Outlet Nos 60 NA NA 0

2.10.3 24V, Switch Socket Outlet Nos 20 NA NA 0

2.10.4 415V, 63A Isolating Switch Nos 10 NA NA 0

2.10.5 415V, 32A Isolating Switch Nos 50 NA NA 0

2.10.6 240V Isolating Switch Nos 20 NA NA 0

2.11 SIRENS: Industrial heavy duty, Horizontal type, 415V AC Siren

with Local Starter Unit

Conveyor

Galleries

Nos 10 NA NA 0

2.12 FIELD MOUNTED DEVICES FOR CONVEYING SYSTEM

2.12.1 Zero Speed Switches Nos 30 NA NA 02.12.2 Chute Jamming Switch Nos 30 NA NA 0

2.12.3 Limit Switches (Heavy Duty) Nos 15 NA NA 0

2.13 ERECTION OF LIGHTING FITTINGS

Scope includes Installation, testing and commissioning including connection of earth flat/wire to all

Receptacles. Fabrication of suitable brackets/ supports required for fixing the receptacles is in vendors scope

and cost of fabrication can be billable separately on tonnage basis as per rate mentioned against

'Fabrication of Steel'. Supply of steel required for fabrication of brackets/ supports is in BHEL scope.

Vendor scope includes installation of following light fittings complete along with control box, lamp etc, wiring from JB

to fitting, providing earth connection to fitting, and testing of fitting. Fabrication of suitable brackets/ supports required

for fixing the light fittings is in vendors scope. and Supply of steel required for fabrication of brackets/ supports is

in BHEL scope.

Cost of Braket fabrication ( wherever applicable like Well Glass Fittings and Flood Light Fittings for Builidng

Pheripherals ) to be billable separately on tonnage basis as per rate mentioned against 'Fabrication of Steel'. Required

Steel to be supplied by BHEL

For Flouresent lamp fittings or other fittings in the Buidlings monor hardwares like downrods, rose button etc

which are required in addition to fitting materials supplied by manufacturer are to be supplied by Contractor and cost to

be included in erection cost.

The Light Fittings for which Pipes are required for mounting the necessary pipe shall be supplied by BHEL and

all other minor hardwares to be provided by Contractor and cost to be included.

Note: The Tenderer must quote the Pr ice format ful ly ( against each i tem where qty is specif ied ) and shal l not modify price format in any manner. Page: 10of 26


7/29/2019 4_1PART_C



UNIT

(Rs.)

TOTAL

(Rs.)

UNIT

(Rs.)

TOTAL (Rs.)



Location

2.13.1 2x28W T5 FTL surface/pendent mounting indus trial

luminaire trough type reflector. Electronic Ballast T5

lamp twin T5 Channel with reflector. Set 250

NA NA 0

2.13.2 1x28W FTL surface/pendent mounting industrial

luminaire trough type reflector. Electronic Ballast T5lamp single T5 Channel with reflector SET 250 NA NA 0

2.13.3 1x70W MH, suspended mounting, Integral well g lass

luminaire (HID lamp) with suitable for dust & vapour

laden area. IP 65

SET 680

NA NA 0

2.13.4 11W bulk head CFL fit ting, Electronic Ballast.

SET 20

NA NA 0

2.13.5 2x40W FTL, Surface/Pendant mount ing, vapour

proof industri al luminaire. IP 65. Electronic Ballast.

SET 10

NA NA 0

2.13.6 Recess mounting 2 x T5 28W fluorescent lamp

darklighter luminaire SET 90 NA NA 0

2.13.7 Recess mounting 1 x T5 28W fluorescent lamp

darklighter luminaire SET 20 NA NA 0

2.13.8 2x18W CFL, Low height recessed horizontal

mounting CFL downlighter SET 10 NA NA0

2.13.9 1x250W MH, surface/suspended mounting,

Highbay/mediumbay. Non-integral Well Glass

luminaire

SET 70

NA NA 0

For Outdoor Floodlight wherever Poles are required the Poles will be supplied by BHEL. Contractor to provide

minor hardware. Cost of Pole erection separately Billable.

Laying of wires to be Billable separately along with conduit laying.

ECR

ECR

Conveyor Gallery, Cable Vault, Process Building, Transformer Room, Peripheral Lighting Of The Building

Entrance /Exit Of Control Room & Cable Vault

Battery Room

Rooms With False Cieling

Rooms With False Cieling

In Front Of HMI In Control Room Process Building, Repair Shop, Store Where Height Of The Building Is More Than 6 Mtrs


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1.2 MPTA PELLET PLANT, DONIMALAI ANNEXURE-I

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2.13.10 1x150W MH, surface/suspended mounting,

Highbay/mediumbay. Non-integral Well Glass

luminaire

SET 60

NA NA 0

2.13.111x150 W MH, Totally enclosed, full frame & glass,

integral luminaire with glaskote reflector for groupB1/A2/A1 roadway installation SET 140

NA NA 0

2.13.12

1x250 W MH, Totally enclosed, full frame & glass,integral luminaire with glaskote reflector for groupB1/A2/A1 roadway installation SET 60

NA NA 0

2.13.132x250W MH, Asymmetrical beam, non-integral,

floodlight luminaire with anodised reflector. SET 10 NA NA 0

2.13.14

Aviation Obstruction Light (BGAV 302 LED/eqvt) SET 3 NA NA 0

2.13.15 1x250W MH/MV, Flameproof, Non- integral fittings for

Oil Storage Yard SET 10

NA NA 0

2.13.16 1x400W MH/MV, Flameproof, Non- integral fittings for

Oil Storage Yard SET 10 NA NA 0

2.14 ERECTION OF SWITCH BOARDS

2.14.1 AC Switch Board, 300 x 200 x 100, wall mounted Nos 25 NA NA 0

2.14.2 AC Switch Board, 200 x 150 x 100, wall mounted Nos 15 NA NA 0

2.15LAYING OF LIGHTING WIRES/CABLE THROUGH CONDUITS

Process Building, Repair Shop, Store Where Height Of The Building Is More Than 6 Mtrs

Entrance Of Ther Building, 4mtr Wide Street 7mtr

Wide

Street,

10.5mtr

Wide

Street

Flood Light Fitting For Outdoor Equipment

Chimney

Switch Boards of following sizes shall be erected at different buildings. Ready made Switch Boards will be

supplied by BHEL. Supply of all hardware required for fitting the switch boards along the building wall is in

vendors scope.

Scope includes conduit laying, installation of bends, installation of inspection boxes, clamping at every

1 mtr interval, installation and termination of junction boxes, wire pulling (1.5/ 2.5/ 4 sqmm wires as

per the wiring diagram) Maximum of 4 wires in each conduit may run ), Earth wire running along

conduit.

Lighting Wires shall be supplied by BHEL


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2.15.1 Mtrs 1000 NA NA 0

2.15.2 Mtrs 3000 NA NA 0

2.15.3 Mtrs 2000

NA NA 0

2.16 ERECTION OF LIGHTING POLES

Price quoted shall be all inclusive i.e necessary excavation, mounting & concrete etc

2.16.1 Street light Pole: 12.0 mtr, 410 SP 63 with Junction box,Curved outreach , 20mm earthing electrode

( above ground : 10Mtr )

Nos 70 NA NA0

2.16.2 Street light Pole: 10.0 mtr, 410 SP 43 along with Junction

box, Curved Outreach, 20mm earthing electrode

( above ground : 8.2Mtr )

Nos 36 NA NA

0

2.16.3 Street light Pole: 10.0 mtr, 410 SP 43 along with Junction

box, double arm, 20mm earthing electrode ( above ground :

8.2Mtr )

Nos 14 NA NA

0

2.16.4 Lighting Pole for Yard 11Mtr ( above ground : 9 Mtr ) Nos 5 NA NA 0

2.17 FABRICATION OF STEEL SUPPORTS/BRACKETS

Note: Laying of Lighting wires/cable within conduit from switchboards/ lighting panel to fittings are

not separately billable and shall be included in the quoted price of installation of conduit.

20 / 25 mm dia PVC Conduits (Consealed ) Cost to include chipping of wall & Finishing and supply of all materials.

Only wires to be supplied by BHEL

20 / 25 mm dia PVC Conduits (Exposed ) Cost to include supply of all materials. Only wires to be supplied by BHEL

20 / 25 mm dia Rigid GI Conduits,16SWG, (Surface Mounted). GI conduits will be supplied by BHEL all other

erection materials to be provided by Contractor

Contractor's scope includes painting of the pole with one coat of silver/zinc paint and numbering of pole with

paint. Supply of paint is in vendors scope.

Cabling from SLDB to pole and looping from pole to pole shall be under ground and shall be billable

separately


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2.17.1

Tons 60 NA NA

0

2.17.2

Tons 5 NA NA

0

2.18

2.18.1 Ladder Type (3.0 m length) 600mm width (Made of ISA angle) Mtrs 8700 NA NA0

2.18.2 Ladder Type (3.0 m length) 300mm width (Made of ISA angle) Mtrs 2250 NA NA0

2.18.3 Perforated type 600mm width (2.5 m length, 100 mm depth) Mtrs 2000 NA NA 0





2.19 Laying of cable conduits/ GS Pipes with proper dressing

Fabrication and Erection & Painting of Steel structure as needed at site for erection of cable trays,

Panels, DBs, JBs and all other equipment under the scope of contractor for erection. Supply of steel

required for fabrication is under the scope of BHEL. The required material for the fabrication job has to

be identified & the list has to be submitted by the Contractor for BHEL to supply.Welding machines,

Cutting Sets, Grinders, Drill Machines, electrodes and other requisite material for fabrication are in

Contractor's scope.

The steel material used for the fabrication of structures shall be generally ISA-50, 65, 75 and ISMC-50,

65, 75.

Painting of all steel structure used for the erection is in Contractors scope.The painting shall be two

coats of red oxide primer and two coats of synthetic enamel paint. Contractors scope includes supply of

paints as per the specifications and the customer approved vendors.

Only Painting work for Steel structure on tonnage Basis

Note: This is applicable if contractor is asked to paint any steel structure like Cable tray

Support / Braket which are fabricated & erected, primer applied by other agency

ERECTION OF GI CABLE TRAYS

Erection of ready fabricated cable Trays including coupler plates & bends etc. Cable trays and

cable tray accessories will be supplied by BHEL. Trays are Ladder & Perforated type. Any

required bends to suit the site requirement shall be fabricated with available trays. Touch up

painting shall be done including supply of primer & paints - as per the Technical

S pecifications.


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Location

2.19.1 20/25mm nominal bore Mtrs 100 NA NA 0

2.19.2 40/50mm nominal bore Mtrs 200 NA NA 0

2.19.3 65 mm nominal bore Mtrs 100 NA NA 0




2.20 LAYING OF CABLES

2.20.1 HT XLPE Power Cables

2.20.1.1 6.6 kV, 3C X 240SQ MM XLPE Al CABLE Mtrs. 600 NA NA 0

2.20.1.2 6.6 kV, 3C X 50 SQ MM XLPE Al CABLE Mtrs. 800 NA NA 0

2.20.1.3 6.6 kV, 3C X 35 SQ MM XLPE Al CABLE Mtrs. 3000 NA NA 0

2.20.2 LT Power Cable (PVC/XLPE armoured aluminum) .

2.20.2.1 1C X 630 sq mm, 1.1 kV Grade LT power cable Mtrs. 500 NA NA 0





2.20.2.6 3.5C X 300 sq mm, 1.1 kV Grade LT power cable Mtrs. 18000 NA NA 0



GS conduits shall generally be used for exposed cabling along building walls/ structures etc.For laying

of conduits underground excavation & back filling to be billed separately.

The Pipes Shall be supplied by BHEL. The installation of GS pipes and conduits shall be complete in

all respects and shall include supply of all accessories, fittings like tees, elbows, nipples, bushings,

reducers, square headed male plugs, gland sealing fittings, gaskets, saddles etc. Any steel Fabrication

work if invloved can be billed separately.

Cable runs shall be uniformly spaced, properly supported and protected in an approved manner. All bends and joints in

runs shall be well defined and made with due consideration to avoid sharp bending and kinking of the cables.

Standard Engineering Practice of Cable laying like seggregationby category, identification labelling at regular intervals

etc to be followed.

The price must be quoted in accordance with the detailed specification given in the tender document.


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2.20.2.17 3C X 25 sq mm, 1.1 kV Grade LT power cable Mtrs. 4000 NA NA 02.20.2.18 3.5 C X 25 sq mm, 1.1 kV Grade LT power cable Mtrs. 2000 NA NA 0







2.20.3 CONTROL CABLE (PVC Insulated Cu Cables )

2.20.3.1 3C X 1.5 sq.mm Control Cable Mtrs. 15000 NA NA 02.20.3.2 3C X 2.5 sq.mm Control Cable Mtrs. 2000 NA NA 0

2.20.3.3 4C X 2.5 sq.mm Control Cable Mtrs. 1000 NA NA 0














2.20.3.17 RTD Triad Cable-2Tx1.0 Mtrs. 1700 NA NA 0


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2.20.3.18 RTD Triad Cable-5Tx1.0 Mtrs. 8000 NA NA 0

2.20.4 Screen Cables (PVC Insulated, armoured )

2.20.4.1 2P X 1.0 Screened Cable Mtrs. 8000 NA NA 0



2.20.4.4 6 core Load cell extension cable Mtrs 2500 NA NA 0

2.20.5 Laying of single core flexible copper cable from power JB

to Motors as per sizes given below,

2.20.5.1 1C X 95 sqmm single core flexible copper cable Mtrs. 400 NA NA 02.20.5.2 1C X 70 sqmm single core flexible copper cable Mtrs. 600 NA NA 0

2.20.5.3 1C X 50 sqmm single core flexible copper cable Mtrs. 800 NA NA 0



2.20.6 Laying of Special Cables

2.20.6.1 Twisted Pair Ethernet Cable Mtrs 500 NA NA 0

2.20.6.2 RIO Networking Cable Mtrs 500 NA NA 0

Laying of Fibre Optic Cable Mtrs. 5500 NA NA 0

2.20.8 Laying of Cables Directly buried in Ground (Trench) Mtrs 500 NA NA 0

2.20.9Cable Laying at Road Crossing

Cables shall generally be taken either through conduit. Conduit shall be supplied by BHEL.

2.20.7Laying of fibre optic cable shall be done by using HDPE pipes. The HDPE pipe along with the cable will

be supplied by BHEL .The laying of HDPE pipe shall be included in the cost of the laying of Fibre optic

cable. No separate charge can be claimed for the laying of HDPE Pipe. For road crossing hume pipe shall be

used for which separate Billing can be done. The laying of Fibre optic cables should be done by skilled

personals only.

Cables laid directly buried in ground shall be laid as per code of practice IS 1255. Generally cables shall be

taken at a depth of 1000mm from finished ground level and shall be provided with atleast 75mm sand cushioning both at top & bottom and precast reinforced concrete protective covers. scope includes

excavation, backfilling providing of sand, Un-reinforced concrete slab 40mm thick, 200 mm wide ,route

markers etc.. as per the detailed specification. ( This is applicable for LT Power cables for Lighting , typical

size 3x50sqmm ) The cost to include Excavation, all materials, back fillings, laying of cables.


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2.20.9.1Laying of RCC Hume Pipes 200/300 mm ( including Excavation

& Back filling, cable laying)

Mtrs 30 NA NA0

2.20.9.2 Laying of GS Pipes upto 150 mm ( Including Excavation & back

Filling, cable laying )

Mtrs 50 NA NA0

2.21 TERMINATION OF CABLES

2.21.1 6.6 kV, 3C X 240SQ MM HT XLPE CABLE Nos 18 NA NA 0

2.21.2 6.6 kV, 3C X 50 SQ MM HT XLPE CABLE Nos 6 NA NA 0

2.21.3 6.6 kV, 3C X 35 SQ MM HT XLPE CABLE Nos 34 NA NA 0

2.21.4 1C X 630 sq mm, 1.1 kV Grade LT power cable Nos 96 NA NA 0





2.21.9 3.5C X 300 sq mm, 1.1 kV Grade LT power cable Nos 180 NA NA 0

2.21.10 3C X 185 sq mm, 1.1 kV Grade LT power cable Nos 24 NA NA 02.21.11 3.5C X 185 sq mm, 1.1 kV Grade LT power cable Nos 30 NA NA 0







Termination of following size of cables along with supply of suitable size lugs, ferrules (ferrules from

ferrule printing m/c only will be accepted ) etc as per detailed specification/ approved make given in the

Tender. The lugs used shall be PVC insulated Pin type/ Flat type/ U-type/ Ring type etc of suitable size as

per the requirement at site. Scope includes making of gland holes as per size of gland with gland hole cutter

(gas cutting will not be accepted for making gland holes).

Glands will be supplied by BHEL or vendor to supply as a separate billable item. Hence Glands price

not to be included. Lug & Ferrules cost to be included in Termination cost.

One termination shall mean termination of all cores of the cable at one end. Cable nos to be ferruled for spare

cores and to be kept neatly dressed.

For HT Power Cables termination, Termination Kit will be supplied by BHEL.


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2.21.21 3.5 C X 25 sq mm, 1.1 kV Grade LT power cable Nos 30 NA NA 0





2.21.26 4C X 6 sq mm, 1.1 kV Grade LT power cable Nos 60 NA NA 02.21.27 3C X 6 sq mm, 1.1 kV Grade LT power cable Nos 700 NA NA 0

2.21.28 3C X 1.5 (or) 3C X 2.5 sq.mm Control Cable Nos 500 NA NA 0


2.21.30 7C X 1.5 (or) 7 X 2.5 sq.mm Control Cable Nos 900 NA NA 0

2.21.31 10C X 1.5 (or) 10 X 2.5 sq.mm Control Cable Nos 2500 NA NA 0




2.21.35 37C X 1.5 sq.mm Control Cable Nos 50 NA NA 02.21.36 4C X 2.5 sq.mm Control Cable Nos 50 NA NA 0

2.21.37 RTD Triad Cable-2Tx1.0 Nos 150 NA NA 0

2.21.38 RTD Triad Cable-5Tx1.0 Nos 120 NA NA 0

2.21.39 2P X 1.0 Screened Cable Nos 365 NA NA 0



2.21.42 1C X 95 sqmm Copper flexible Cable Nos 70 NA NA 0





2.21.47Straight Thro' Jointing of HT Cable ( Kit supply by BHEL)

Nos 2 NA NA0

2.21.48Straight Thro' Jointing of LT Cable ( Kit supply by BHEL)

Nos 5 NA NA0

2.22 EARTHING WORK


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2.22.9 Mtrs 800 NA NA

0

2.22.10 Mtrs 600 NA NA

0

2.22.11 Mtrs 500 NA NA

0

2.22.12 Mtrs 500 NA NA0

2.23 LIGHTNING PROTECTION

2.23.1 Fixing of Lightning Arrestors Nos 10 NA NA 0

The method adopted for protectian of buildings and allied structures

against lightning shall be in accordance with IS:2309.

2.23.2 Running and connecting of 25 x 4 mm glavanised steel flat as

horizontal top conductor used as air termination.

Mtrs 1000 NA NA0

2.23.3 Running and connecting of 40 x 6 mm glavanised steel flat for

down conductor from air termination.

Mtrs 1000 NA NA0

2.24 COMMISSIONING ASSISTANCE

2.24.1 Electricians for assistance during commissioning Man-days 500 NA NA 0

2.24.2 Unskilled persons for assistance during commissioning Man-days 500 NA NA 0

2.24.3 Skilled fitter for assistance during commissioning Man-days 100 NA NA 0

3 INSTRUMENTATION ERECTION WORKS

Running and connecting of 50 sq.mm GS stranded wire from the nearby earth risers along control

desks, control post isolators and socket outlets above 16A including 100A as per the earthing layout

drawing of the area.

Running and connecting of 16 sq.mm GS stranded wire from the nearby earth risers along

pushbutton stations/ motors/ isolators and socket outlets, Inst. JBs , Instruments as per the earthing

layout drawing of the area.

Running and connecting of 6 sq.mm GS stranded wire from the nearby earth risers along pushbutton

stations/ motors/ isolators and socket outlets, Inst. JBs , Instruments as per the earthing layout drawing of

the area.

Running and connecting of 14 SWG GS stranded wire from the nearby earth risers along various

lighting equipment as per the earthing layout drawing of the area.

Each Skilled manpower will be equipped with all the necessary tools & tackles, meters,testers etc. specific to his area of work and sufficient enough to do the work

independently.


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INSTALLATION OF FOLLOWING ( Calibration separately

Billable )

3.1 Orifice flow meters with Transmitters with accessories Work involves Orifice assembly

Installtion, transmitter

erection,Impulse tubing etc.

Sets 16 NA NA

0

3.2 Venturi flow meters with Transmitters with accessories Work involves venturi Installtion,

transmitter erection,Impulse tubing

etc.

Sets 4 NA NA

0

3.3 Vortex flow meters No's 4 NA NA 0

3.4 Pressure Transmitters No's 174 NA NA 0

3.5 Temperature Transmitters No's 115 NA NA 0

3.6 Pressure Gauges with accessories Set 78 NA NA 0

3.7 Diff Pressure Gauges with accessories No's 24 NA NA 0

3.8 Temperature Gauges with accessories No's 14 NA NA 0

3.9 Pressure & Differential Pressure switches with accessories No's 24 NA NA 0

3.10 RTDs with accessories No's 75 NA NA 0

3.11 Thermocouples No's 39 NA NA 0

3.12 For Following Systems Commissioning will be done by

Instrument vendor. Contractor to do only erection.

3.12.1 Ultrasonic Level Transmitter with sensor & accessories Set 15 NA NA 0

3.12.2 Radar Level Transmitter with accessories Set 5 NA NA 0

3.12.3 Mass flow meters No's 14 NA NA 0

3.12.4 Magnetic flow meters No's 14 NA NA 0

3.12.5 IR Pyrometers with accessories Sets 4 NA NA 0

Cost of fabrication and painting of any support Structure ( wherever applicable ) to be billable separately on

tonnage basis as per rate mentioned against 'Fabrication of Steel'. Required Steel or piping to be supplied by

BHEL

Instrument erection involves handling, positioning, fabrication of supports, fixing of supports in location, mounting of

instruments -sensors, panels, cabinets, load cells , JBs, Orifice , venturi , probes and boxing up, impulse tubing with SS

tube and fittings, Hydro testing of impulse lines, leakagetesting of impulse/ sample lines, Tray work, cabling, continuity

checking, loop checking, providing commissioning assistance etc.

All consummable like Teflon tape,supply of paint & painting of inst. support structures, tap point marking with

tag nos using paint etc. shall be supplied by contractor.


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3.13.5 Temperature Gauges Calibration No's 14 NA NA 0

3.13.6 Pressure & Differential Pressure switches Calibration No's 24 NA NA 0

3.13.7 RTDs Calibration No's 75 NA NA 0

3.14 1/2 " SS impluse tubing for Instruments & Analysers Mtrs 4000 NA NA 0

3.15 Erection of Instrument Junction Boxes - various sizes . Avg weight per JB: 15 kgs . Nos 40 NA NA 0

3.16 COMMISSIONING ASSISTANCE for Instrumentation

Note: Charges for commissioning Billable only when

specific service is utilised

3.16.1 Inst. Technicians for assistance during commissioningNote: Only skilled Technician having experience and Minimum

Diploma qualification shall be accepted

Man-days50 NA NA

0

3.16.2 Skilled Inst. Fitter for assistance during commissioning Man-days 100 NA NA 0

3.17 UNIT RATES FOR MINOR CIVIL WORKS

Note: Following unit rate shall be applicable only for monor civilworks which are specified as separately Billable in various works.

3.17.1 Excavation work (including necessary back filling ) M3 50 NA NA 0

3.17.2 Breaking of Concrete and finishing ( for

making Cable holes in the Floor or minor civil works requirement )

M3 5 NA NA0

3.17.3 Breaking of Brick wall and finishing M3 30 NA NA 0

3.18 Miscellaneous Works and Services

3.18.1 Supply & Mounting of Danger boards written in English , Hindi,and local language as per I.E rules

Nos 30 NA NA 0

3.18.2 Supply & Mounting of Safety Charts written in English , Hindi,

and local language as per I.E rules

Nos 10 NA NA0

3.18.3 Obtaining Statutory Clearance for Electrical Installations from

Apropriate authority (DGMS/Electrical inspectorate) ( Fees to

be deposited by owner )

Lot 1 NA NA

0

Each Skilled manpower will be equipped with all the necessary tools & tackles, meters, testers etc.

specific to his area of work and sufficient enough to do the work independently.


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B

1

1.1 CABLE GLANDS: 6P X 1/10X1.5/1X70/1X95 (22mm) Nos 50 0 NA NA1.2 CABLE GLANDS: 6T X 1/14x1.5/19x1.5/4x10/4x16 (25mm) Nos 50 0 NA NA1.3 CABLE GLANDS: 3 X 1.5/3x2.5/2px1 (19mm) Nos 50 0 NA NA1.4 CABLE GLANDS: 5C X 1.5/7x1.5/3x4/4x6 (19mm) Nos 50 0 NA NA1.5 CABLE GLANDS: 27 X1.5 /3 x 50( size 30mm) Nos 50 0 NA NA1.6 CABLE GLANDS: 3.5 X25 (size 27mm) Nos 20 0 NA NA

1.7 CABLE GLANDS: 3.5 X50 ( size 32mm) Nos 20 0 NA NA1.8 CABLE GLANDS: 3.5 X 70 (size 36mm) Nos 20 0 NA NA1.9 CABLE GLANDS: 3C X 70 (size 33mm) Nos 20 0 NA NA1.10 CABLE GLANDS: 3.5 X 95 (size 39) Nos 10 0 NA NA1.11 CABLE GLANDS: 3x120 Nos 10 0 NA NA1.12 CABLE GLANDS: 3.5x120 Nos 10 0 NA NA1.13 CABLE GLANDS: 3x185 Nos 20 0 NA NA1.14 CABLE GLANDS: 3.5x185 Nos 20 0 NA NA1.15 CABLE GLANDS: 3.5X 150 (size 48mm) Nos 15 0 NA NA

1.16 CABLE GLANDS: 3.5 X240 (size 60mm) Nos 15 0 NA NA1.17 CABLE GLANDS: 3 X240 (size 56mm) Nos 15 0 NA NA1.18 CABLE GLANDS: 3x300 Nos 15 0 NA NA1.19 CABLE GLANDS: 3.5x300 Nos 15 0 NA NA

2 GI Hard ware of assorted sizes (Bolt, Nuts etc ) Kgs 300 0 NA NA

3 GS Pipes, Medium guage, Hot dip galvanised , ERW, screwed type

conforming to IS1239

3.1 GS Pipes of 25mm dia nominal bore Mtr 50 0 NA NA

MATERIAL SUPPLY

Note: The Deatiled specification as per clause 4.3 of Tender must be referred to while quoting.BHEL reserves right to

add or delete in full or part of the supply of any of these materials from scope of contractor. The price quoted

should be all inclusive with delivery at site.

The materials must be of make approved by customer or his consultant (MND). Contractor to

obtain Datasheet or sample approved by customer at site before procuring the materials. ( No

additonal cost will be allowed on this ground ).

CABLE GLANDS (DOUBLE COMPRESSION, BRASS, HEAVY DUTY, SUITABLE FOR ARMOURED

CABLES) Glands sizes given below are tentative. Contactors to select exact gland before procurement. Power Cables

are Mining cables having Armour resistance


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3.7 GS flexible pipes of 50 mm size as per the site requirement with all

necessary clamps for secure fixing.Mtr 50 0

NA NA

3.8 GS Cleats, Saddles/ Clamps (made of GS sheet of thickness not less

than 2mm) of suitable size as per site requirement.Kgs 1000 0

NA NA

3.9 Anchor Fasteners of assorted size as per site requirement Kgs 300 0 NA NA

4.1 RCC Hume Pipe 300 mm NP3 grade (IS458) Mtr 30 0 NA NA

4.2 RCC Hume Pipe 200 mm NP3 grade (IS458) Mtr 30 0 NA NA

5 Steel Material ( Angles, channels, plates ) MT 2 0 NA NA

6 Total for Erection works 0

7 Total for Supply Items 0

8 Total Supply and E&C

9 Service Tax at …. …….% on Price for Erection Works (Slno:6)10 GRAND TOTAL INCLUDING SUPPLY and E&C 0

0

0


PART:C TENDER FOR ERECTION WORKS, ANNEXURE-II

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TECHNICAL REQUIREMENT OF INSTALLATION,TESTING AND COMMISSIONING

OF ELECTRICAL EQUIPMENT AS PER BHEL’S CONTRACT WITH CUSTOMER

7/29/2019 4_1PART_C


1.1.3 Installation of all electrical and electronic equipmentsuch as switchgear, transformers, motors, converters,

sontrol panels, control desks, instruments, e tc at different levels$ncluding all accessories, power, control and instrument cables,rearthing and lightning protection materials as per the working

, :drawings,manufacturers' instructions, etc.I . *

1.1.4 Installation of lighting equipment including lighting: .distribution boards, lighting fittings, associated control

gear and accessaries, etc for the lighting system of the plant,buildings, yards, outdoor areas, etc as per the working drawings,manufacturer's instructions, etc.

.I I -.,L-L1.1.5 Supply of all consumable hif&fds required for

complete erection, including oil, kerosene, solvents,

sealing compounds, insulating tapes, connectors, brazing andsoldering materials, fluxes, gases, nuts, bolts, washers etc.

1.1.6 Supply of temporary structures, templates, jigs, etcincluding bolts, nuts, rivets, etc fo r erection of such,

structures. The contractor shall obtain specific permission of t h qPurchaser before erecting any structure.

1.1.7 Installation of various types of cable racks, cable trays,cable hangers, brackets, supporting structures, clamps,

junction boxes, pull boxes, etc as per drawings and specifications.

1.1.8 Underground cable installa-tion including excavation ofunderground cable trenches and back filling, including

supply of sand, concrete cover, bricks, cable markers, te.

InstalIation of G.1, pipes/conduits including supply ofaccessories/fittings as required.

1.1.10 Cutting of chases/openings and removal of obstaclesin floora/walls/structures for laying of pipes, cables

and f o r other work with the approval of the Purchaser. Repair andreinstatement after completion of the work shall be t o th e satisfactionof the Purchaser.

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1.1,14 Stores and transportation of various equipment and

materials covered by this specification.

1.1.15 Provision of proper handling equipment e.g. hoists,

winches, derricks, lifting jacks, slings, pulleys, ropes etcas well as all erection tools and tackles, welding and gas cuttingmachines, power taals, hand lamps, loeaI illumination, etc including

cables equired for connection of these i tems.

1.1.16 Provision a9 all meters, instruments and otherequipment required for testing and commissioning of th e

plant and equipment which have already been erected.

1.1.17 General cleaning prior t o preparing the plant fo r start-up.

1.1.18 Checking, testing, calibrating and setting of meteringinstruments, protective relays and control devices as per

working drawings/manuals and/or as directed by the Purchaser,

1-1.19 Testing and ~ommiss ioning , tart-up, init id operation andfinal acceptance in .close ca-ordination with the

equipment manufacturer/P~rchaser.

1.1.20 Supply and erection of adequate numbers of first-aid

boxes, fire extinguishers, sand buckets, door mats, hock

treatment charts, hand gloves, battery maintenance equipment, safety

equipment etc as per I.E. rules and maintenance norms. These itemswill be inatallad in control roam, substation building, etc.

1.1.21 Supply and installation of danger boards, cable

markers, etc which shall be mounted wherever required tomeet the relevant clauses of Indian Electricity Rules.

1.1.22 Rendering al l such assistance as may be required bythe Purchaser to obtain State Electrical Inspector's

approval for the installation and carrying out any change called for by

the Inspector.

1.1.23 The electrical installation shall be complete in all

respects and all items essential for proper installationand functioning of the electrical system shall be deemed to be

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a) IS 10118 ..(Part 1)

Code of practice for selection,installation and maintenance of

switchgear and control gear :Part l - General

IS 10118 .. Code of practice far selection,

(Part 3) installation and maintenance of

switchgear and control gear :

Part 3 - Installation

IS 10118 ,. Code of practice for selection,

(Part 4) installation and maintenance af

switchgear and control gear ;

Part 4 - Maintenance

b) IS 10028 ..(Part 2)

IS 10028 ..(Part 3)

Code of practice for selection,instJlation and maintenance of

transformers : Part 2 - Installation

Code of practice for selection,installatian and maintenance oftransf0rmers:Part 3 - Maintenance

Code of practice for maintenance of insulatingail

Code of practice for installation andmaintenance of induction motors

Code of practice for installation andmaintenance of power cables (up toand including 33 kV)

Code of practice for electrical wiring

installations

Code of practice for earthing

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k) IS 3646 .. code of practice for interior(Part 2) illumination Part 2 - Schedule of

ill~rgjndion p$ glare indexI I I ' l i b

1) IS 3646 .. Coae oFpractice for interior- (Part 3) illumination : Part 3 - Calculation of-. 1 5 , ? ,

.. coefficients of utilisation by the B2

, method

... 2.2 All electrical equipment and installation shall alsoconform to National Electrical Code, a$ regards safety,

earthing and other essential provisions specified therein for

installation and operation of electrical plants.8 ,I I -. ' I

' 3.0 METHOD OF WORK t1 +

' 3.1The contractor shall adopt methods and procedures

of, <I work in accordance with erection drawings, specifications,

wiring diagrams,construction standards and instructions supplied to

the contractor by the Purchaeer/Equipment Manufacturer from timeto time.

3.2 Suitable caution boards shall be provided by the

contractor indicating the voltage and type of power( AC /DC ) on all panels in accordancewith the Indian Electricity Rules.

INSTALLATI~N* EQUXPMENT

General

4.1.1 All equipment including individual components,

fittings and accessories shall be properly stored at site soas to obviate any deterioration of electrical features and mechanicaldamage.

4.1.2 A ll minor defects in the equipment shall be repaired asrequired prior to installation in consultatian with

equipment manufacturer s o that manufacturer's guarantee is notaffected in any way. In case of any major damage t o the equipment,the same shall be rectified or replaced only by the manufacturel-'s

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case additional openings, chases, sleeves, etc are required aftercompletion of civil engineering work, the contractor shall makenecessary arrangement for the same by drillingicutting chases, holes,etc and shall make good all damaged portions of the work.

4.1.5 All panel floor openings are t o be sealed by providing

esuitable gland plates or any other method if not already

provided with the equipment by the equipment supplier.

4.1.6 Equipment designation numbers, wherever not done by

equipment manufacturer, shall be painted on theequipmentlequipment foundations,

4.1.7 Care shall be taken during handling of insulating oil to

prevent ingress of moisture or foreign matter. While

testing, circulating, filtering or otherwise handling of oil, rubber hose

shall be used. Circulation and filtering of oil, heating of oil byregulated short-circuit current during drying runs and sampling of oilshall be in accordance with manufacturer's instructions and IS 1866 -Code of Practice for maintenance of insulating oil.

4.1.8 Heat run or external heating of al l electrical

equipment shall be carried out before installation, ifrequired, for improvement of insulation resistance in accordance with

the manufacturer's instructions and/or relex&f&,S$.Q& elf practices.

4.1.9 For supporting cable racksltrays, conduit banks, wallmounting equipment raw1 bolt and plug shall be generally

adopted and will be in the scope of electrical installation contractor.

Raw! bolt dimension shall be selected to suit actual loading and factorof safety.

4.1.10 Cable racks shall have support at lSOOmm interval inhorizontal configuration and at lOQOmm interval in

vertical configuration.

High Voltage Switchgear

4.2.1 The contractor shall assemble and erect each switch

gear unit or panel as well as the associated accessories,

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Transformers

4.3.1 All components, fittings and accessaries which will be

despatched separately shall be reassembled at site by thecontractor in accordance with the manufacturer's standard.

4.3.2 The installation shall generally conform t o th e

requirements of Coda of Practice for Installation ofTransformers;IS:10028 (Part 2) as well as manual on transformers byCentral Baard of Irrigation and Pawer.

4.3.3 Transformers fitted with rollers/wheel shall generallybe installed on embedded raila/channels and after

installation the wheels shall be locked to prevent movement of thetransformer-

4.3.4 The transformers including accessories shall be

thoroughly checked for any damage or deformity duringtransit or leakage of oil. If the transformers are supplied filled withnitrogen or other inert gas, pressure shall be checked in accordance

with the manufacturer's temperature-pressure chart. In case of anydeviation, it is possible that the winding may have absorbed moistureduring transit. In such cases, the transformers shall be dried out inaccordance with the manufacturer's recommendation. Thetransformers shall be filled with oil or topped up as necessary.

Extreme care shall be taken to prevent ingress of moisture and foreign

materials in the tank during refilling of oil. For all oil filledtransformers drying and filtering of oil shall be carried out, ifrequired, after checking the dielectric strength, to ensure thatmoisture is completely removed and the oil is free from suspended

J . " ,

impurities, dust, etc.

4.4.1 Busducta shalt be provided with complete supporting

structures as required. Sections of busducts

installed outdoor shall be supported from ground while in-doorsections shall be supported from ceiling a n d / o r wall with M.Sbrackets/hangers fixed by means of raw1 bolts.

4.4.2 Seal-off wal l bushings shall be provided where th e

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Motors

4.6.1 All motors shall be erected as per the manufacturer'sins truct ians /drawings a6 well as relevant IS code of

practice in s o far as t i s applicable.

4.6.2 All motors, prior to installation, shall be checked forfree movement of the rotor/armature. Winding insulation

test shall be carried out on all motors. In case of low IR values, hesame shall be impraved by appropria te heating of the motors.

4.6.3 Special mounting brackets or attachments required for

mounting of accessories on the motor shall be fixedwithout making any modification to the motor, which may make itnon-standard.

4.6.4 Free shaft ends and couplings of the motors afterinstallation shall be provided with suitable guards to

prevent accidental touch during runn ing of the motors.

4.6.5 In case of large motors delivered in assembled ordisassembled condition, the erection shall also include

checking of different parts and their assembly in correct sequence.The bed plate shall be properly levelled by steel wedges beforegrouting. Wedges, shims, etc when provided shall be flush with

frames and shall n o t project out of the base plate.

Converter Equipment

4.7.1 When tw o or more panels ar e to be connected together

to form a composite panel, t hey shall be properly aligned,bolted together after alignment and all interconnections of the cablesand wiring between the panels shall be done in accordance wi t h the

manufacturer's drawings/instruction manuals.

Motor Control Centres Switchboardsf Control Panelsor Darks

4.8.1 When two or more panels are to be connected together

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4.9.1 The installation shall be carried ou t in strictconformity with the manufacturer's instruction. Each cell

ahall be inspected forbreakage and condition of cover seals as soon asthe same s received at site.

4.9.2 The acid shall be prepared with due caution and thecells filled in with the same. InitiaI charging by boost

charger shall be done as per the instructions fill the acid attains th e

prescribed specific gravity and cells attain the desired voltage. Thetrickle charger unit shall be se t t o give a definite continuous charge tohold the cell voltage at the prescribed level.

4.9.3 The battery shall be set up on racks as soon aspossible after receipt, utilizing lifting devices supplied by

the manufacturer, The cells shall no t be lifted by the terminals,

4.9.4 Contact surface of the battery terminals and intercellconnectors shall he cleaned, provided with protective

lubricant and assembled. Each connection shall be properlytightened. Each cell shall be tested with a hydrometer andthermometer and the test results-..ogged,

4.9.5 When handed oY=i"?o the Furchaser, the battery shall befully charged and the electrolyte shall be at full level and

of specified specific gravity. Standard practices prescribed for initialcharging of battery shall be followed.

INSTALLATION OF CABLES

General

Installation of cables shall generally include the followingtypes of cables:

i) 1 1 kV (El/ .6 kV (UE) grade, aluminium conductor,

cross-linked polyethylene (XLPE) insulated, PVCsheathed, arrnoured cables.

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5.1.2 In the plant buildings, substations, electricalrooms, etc power and control cables shall generally be

"taken exposed on brackets, cable racks/hooks Id d in cable vaults,"basements, cable galleries or alaeg building and technologicalstructures.

5.1-3 I n t h e auxiliary shops and utility bLilnding-$,

power and control cables shall generally be taken on cableracks either laid in concrete trenches or supported from building

I' 1' structures, walls, ceiling etc.

5.1.4 Power and control cables installed along buildingsand technological structures, ceilings, walls, etc which

are required to be protected against mechanical damage and/orradiation of heat shall be taken in G.S. conduits. Unarrnoured cablesused in hazardous area ahall be taken in G.S. conduit. In corrosive

'~atmosphese cables are required to be taken in rigid heavy duty PVC,pipes. Where direct heat radiation exists, heat isolating barrier shalhbe provided.

5,l.S Cables laid exposed on racks/hooks and routedthrough trenches, cable cellars, basements to individual

drives, control devices, etc shall be taken in embedded/exposed rigidG.S . pipes/ flexible conduits unless directly terminated to theequipmentJpaneIs located above the basement or trench. Suitableextra length shall be provided wherever possible.

5.1.6 All cables irrespective of type of installation shall beprotected by means of G.S. pipes or sheet metal protective

cover up t o a height of 2,000 mrn from th e working floor level andplatforms for protection against mechanical damage.

5.1.7 For 415 V power wiring in ancillary buildings, offices,

canteen, laboratories, etc. unsheathed PVC copper cablesshall be taken in embedded1exposed G.S. conduits. Rigid PVC pipes

shall be provided in corrosive atmosphere.

5,1.8 Cable runs shall be uniformly spaced, prope>lysupported and protected in an approved manner. All

bends in runs shall be well defined and made with due consideration

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5.1'9 Cable installation shall be co-ordinated properly at sitewith the routing of other services/ utilities. Where

necessary, suitable adjustment ahall be made in the cable routings

with a view to avoid interference with any part of the building,structures, equipment, utilities and services.

5.1.10 Entry or exit of cables from underground trenches orbaaements shall be through pipe sleeves. Pipe sleeves

shall be properly sealed.

5.1.11 All cables shall be provided with identification tags

indicating cable numbers in accordance with theeable/circuit schedule. Tags shall be fixed a t both ends o f cable, atjoints and at 20 m spacing for straight runs. When a cable passesthrough a wall, tags shalI be fixed on both sides of th e wall. The tagsshall be of aluminium sheet with the numbers punched on them andsecurely attached to the cables with nan- corrosive wire. For singlecore cables, wire shall be of non-ferrousmaterials.

5.1.12 Individual cores of control cables shall have, fa ridentification, plastic ferrules, preferably interlocked type

with engraved numbers at both ends of the circuit.

5.1.13 All cables shall be tested for proper insulation prior tolaying. Care shall be taken so that kinks and twists or

any mechanical damage does not occur in cables. Only approved~ & x e pulling grips or other devices shall be used.

5 . i . i 4 Sufficient length af cables shall be pulled inside theswitchboards, control panels, terminal boxes, etc so as to

permit neat terminktion of each core/conductor. The cable cores shallbe neatly bunched and clamped at regular intervals beforetermination. Suitable loops shall be left so as to permit futurerearrangement of cables.

5.1.15 Control cables entering switchboards or control panelsshall be neatly bunched/ strapped with PVC perforated

tapes and suitably supported t o keep it in position at th e terminalblock, All spare cores shall be neatly dressed and suitably taped atboth ends.

5.1.16 Power cable terminations shall be carried out in such a

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5.1.18 Power cables of different voltage grades shall be laid in

separate racks, Control cables, signal and communicationcables shall also be laid in separate racks. The distance between

various grades of cables shall be a s recommended by the equipment

supplier. However, in no case the distance of signal cables shall beless than 1000 mm from power cables and 300 mm from controlcables.

5.1.19 As far as possible, AC and DC power cables shall be laid

in warate racks. Data highway cables shall be laid inconduit. A* / ,

" . 5.1.20 Where there is possibility of mechanical damage, cable

rack shall be adequately protected by sheet steel covers.For future installation of cables, provision shall be made t o keep 20per cent space as spare on each rack.

5.1.21 Cable racks shall be so arranged that they do not

obstruct or impair movement in passage way, Particular

attention shall be given to this aspect at rack crossings in cable vaultsand basements, where a minimum clearance of around 1,800 mmshall be kept fo r free movement. However, in case of cable cellar where

1,800 mrn clear passage way is not practicable th e same shall be1,000 mrn minimum.

5.1.22 For laying of cables along buildingJtechnological steel

structures, he cable shall be taken by clamping with MS

saddles screwed on to MS flats welded to the structure. In case of

concrete wall/ceiling, cable shall be clamped by means of raw1 plugswith a M S spacer of thickness not less than 6 mm.

5.1.23 All cable racks, supporting brackets and cabling

accessories shall be painted with two coats of red oxideprimer and one coat of synthetic enamel paint in case o f indoorinstallation and two coats of synthetic enamel paint for outdoor

installation.

5.1.24 All cables irrespective of type of instaIlation shall be

protected by means of GS pipes or sheet metal protective

cover up to a height of 1,500 mm from the working floor level and

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5.1.26 33, 11, 6,6 and 1.1 kV AC single-core cables in

tunnels, basements, cable cellars, galleries and concretetrenches shall be laid on brackets made of 50 x 50 x 6 mm galvanisedsteel angles welded to embedded inserts. After welding of thegalvanised steel angles bracket to the embedded insert necessary anti-corrosive paint shall be applied in th e welded zone. The cables shallbe laid in delta formation supported by means of non-magneticmaterial such a s brass/aluminium alloyffibre glass/nylon trefoil

clamps, placed at an interval of 750 mm. Axial spacing af two circuitsin delta formation shall not be less than two cable diameter or 150mm, whichever is more. In case of 33, 11 and 6.6 kV multi-corepower cables, the same shall be generally laid on ladder type racks inone layer with spacings not less than one cable diameter and thesecables are to be clamped with rnetallic/fibre glass clamps. All multi-.core power cables for 1.1 kV AC circuits laid on galvanised steel racks:-shall be tied to the cross member of th e racks by means of self locking,,nylon cable ties or with PVC sleeved aluminium straps placed a t an.

interval of 1,500 mm fn both horizontal and vertical straight runs, a%each bend, turning from horizontal to vertical direction and vice,,versa.

5.1.27 1.1 kV grade single/multi-core cables for AC circuitshall generally be laid in one layer touching each other on

galvanised steel racks. However, wherever required, cables upto 50 sqmm may be laid in two layers provided the cables are further derated.

5.1.28 Multi-core control cables shall be laid in two layerstouching each other on perforated galvanised steel trays.

For short run at easily accessible locations th e control cables may betaken in three layers. The control cables shall be clamped by meansof suitable self locking cable ties/PVC straps both for horizontal tovertical direction and vice versa, placed at an interval of 1,000 mm inboth and vertical run.

5.1.29 Multi-core 33, 11 and 6.6 kV cables may also be takenon hooks made of 50 x 6 mm galvanised steel flats. The

hooks shall be 750 mm apart in th e horizontal run. The verticalclearance between two rows of hooks shall not be less than 20 0 mm.

5.1.30 Vertical spacing between cable racks shaIl be generally300mrn depending upon size an d number of cables. The

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Far cables in the cabb basementlcable vault/cable trench,arrangement of racks shall generally be as follows:

i) Control, instrumentation and special type cableson top most tiere.

8 -ii) L.T. Cables on middle tiers

,: . iii) H.T. Cables on bottom most tiers

5.1.31 The cables in racks/trays shall be laid in tfiF Biderthat cables for low noise signal transmission shall be laid

:an eparate tray, However, cables of different noise lave1 can be laid

ion separate tray o n same horizontal bracket, Data highway cables' shall be laid in conduit. The distance from other cables shall be a s

recommended by the equipment supplier. However , in no case the'distance hall be less than 1000 mm from power cables and 300 rnm

' from control cables. Where there is possibility of mechanical damagecable rack shall be adequately protected by sheet stea l covers.

5.1.32 For future installation rrf cables, prpvision shall bemade to keep 20 per cent space as spare on each.

rack/tray/ bracket. For 33/11/6.6 kV cables spare space can be:provided either on each rack/bracket or in form of a complete emptyrack/bracket laid al l along the route.

Cables laid in cable tragslracka with supports

5.2.1 Ladder type cable racks, generally of 3 meter length,shall be selected from two sizes viz , , 300 and 600 mm

wide and shall be fabricated from 50 x 50 x 6 mm steel angles forlongitudinal members and 30 x 6 mm steel fiats for cross membersplaced at an interval of 300 mm along th e length of the rack with aprovision of double cross members at locations, where cables are to beclamped. The cable traystracks with supporting steel work shall be painted

with two coats red oxide primer and one finished coat of synthetic enamelpaint fo r indoor application and two (2) coats of synthetic enamel paint for

outdoor application.

5.2.2 Pre-fabricated perforated trays, generally of 3 meters

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of SO x 50 x 6 mm MS angle and the bracket shall be welded to the

embedded inserts.

5.2.4 Multi-core 33 kV, 1 1 kV and 6.6 kV cabIes may also betaken on hooks made of 50 x 6 rnm painted steel flats.

The hooks shall be 750 mm apart in the horizontal run and the

vertical clearance between two runs of hooks shall not be less than

1 - 200 mm.

5.3 Cables Laid in Embedded/Exposed GS Piper/Conduits

5.3.1 GS pipes for routing of cables, embedded throughconcrete foundations/floors/walla (including portion

above floor level to be laid in continuation for protection againstmechanical damage) in plant buildings shall be of medium gauge, hotdip galvanised, electric resistance welded (ERW), screwed typeconforming t o IS:1239 (Part I). GS p ip e s of the following sizes shall be

used:

a) 20mm nominal bore

b) 25 mm nominal borec) 40 mrn nominal bored) 50 mm nominal boree) 65 mm nominal bore0 80 mm nominal bore

g) 100 mrn nominal borehj 150mm nominal bare

GS conduits shall generally be used for exposed

cabling along building walls/structures, ctc.

5.3.3 The installation of GS pipes and Conduits shall becomplete in all respects and shall include supply of all

accessories/fittings required for the installation of the same viz . pull

wires, inspection tees and elbows, check-nuts,male or female brass orgalvanised steel bushings, male and female reducers and enlargers,

wooden plugs, caps, square headed male plugs, nipples, gland sealingfittings, condulets, outlet boxes glands, gaskets, saddles, bends andall supporting steel work as required to make the installation

complete in all respects.

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5.3.7 Normally, no joints shall be made in through runs. Incases where a jointing is to be done, the same shall be

inside a junction box.

I 5-3.8 The termination of G S pipas/conduits to equipment;

subject to vibration or connection / disconnection at!

intervals shall be made by means of flexible metallic conduits. Tharcrik

use of flexible metallic conduits in outdoor locations shall be avoided3as far as practicable.

5.3.9 GS pipes less than 20 mm dia shall not be used

.. , Aboth in exposed and embedded condition. GS pipes shall

I :1

, be selected on the basis of the per cent fill area of the GS pipes given

below:

Nominal

bare

in mm

* . 4Medium gauae of G S w i ~ e s Der IS: 1239 -

Minimum Recommendedmax. fill area of OS ~ i ~ en mm2

internal dja. Total 1 cable 2 cables 3 cables 4cables

f o rGSp i na 100% 53% 31% 43% 40%

2 .2 353 387 109 152 141

26.8 564 299 175 243 226

41.4 1,347 714 418 579 439

52.4 2,157 1,143 669 928 863

68.0 3,633 1,925 1,126 1,562 1,433

79.9 5,016 2,658 1,555 2,157 2,006104.1 8,515 4,513 2,640 3,661 3,406

155.0 18,860 9,996 5,874 8,110 7,544

5.3.10 Where a number af GS pipes are run embedded. together

or run exposed in inaccessible location spare GS pipesshall be provided on the basis of the following considerations:

No. of G S pipes

installed in a run

up t o 55 to 10

1 1 to 15

No. of spare GS pipes

to be provided

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non-plant buildings, shall be of galvanised steel, screwed typeconforming to IS 9537. Conduit accessories and fittings shall be ofstandard types conforming to IS 3837 and IS 2667. GS conduitsshall be selected from 20 mm, 5 mm, 2 mm, 0 mm, 0 mrn and 65rum sizes. Recommended maximum fill area of GS conduit shall be5 0% , 30% and 33.5% for 1 cable, 2 cables and 3 or more cables

I respectively.I + A h - 1

5.3.13 Where a number of GS pipes or conduits are run in abunch adequate number of spare pipes (minimum wo

N08.) of comparable diameters shall be provided for any unforeseenuse.

5.3.14 The entire GS p!pePkon$uit sysftem shall be firmlyfastened in position. All boxes and fittings shall generaIly

be secured independently from GS pipe entering them. GS pipes shallgenerally be supported by means o i heavy gauge saddles secured toconcrete/brick walls using approved type of rawl plug or supported by

means of heavy gauge saddleju-bolts, secured to MS brackets/cleatswelded on t o the building structures. The spacing of GS pipe supportsshall be so designed tha t GS pipes are securely fastened in placedepending on the size and number of G S pipes in the run. Therecommended spacing of G S pipe supports bath for horizontal andvertical runs are as follaws:

For QS pipes 203Km -aia nominal bore .. 2.5 m

For OS pipes 25-40 mm dia nominal bore .. 3.0 m

For GS pipes 50 mm and above dianominal bore .+ 4.0 rn

5.3.15 Where a number of GS pipes or conduits are run in abunch adequate number of spare pipes of comparable

diameters shall be provided in accordance with the working drawings.

5.3.16 GS pipeslconduits system shall be continuous, bothmechanically and electrically and shall be connected to all

boxes and fittings.

5.3.17 For long vertical runs, pull boxes shall be inserted atproper intervals in which, insulating cleats or other

approved type of insulating supports shall be provided and the cable

shall be secured t o these in a satisfactory manner in order to support

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5,4.8 While laying cables parallel to buildings, railway trackutility pipelines, drainage, sewerage, etc the minimum

clearance shall not be l e s s than 1000 mm .

5.4.9 Galvanised ikon cable markers and identification tags

shall be provided at each joint, entry to buildings/tunnels, each turn, either side of the road crossings and at 30 M

intervalsfor

straight cableruns. The

markers shallbe

conspicuousand fixed in concrete block in a durable manner.

5.8 Jointing and Termination

5.5.1 Power and control cable terminations shall be made inaccordance with the cable schedule/interconnectianchart

and wifing diagrams, using number codes established for

identification of the various power and control circuits.

5.5.2 Jointing of cables shall be in accordance with relevantIndian Standard Code of Practice and Manufacturer's

sy?eqialinstructions.

6 .0 PASSIVE FIRE PROTECTION MEASURES

6.1 The following fire protection measures shall be adopted.The division of scope of supply/work between Equipment

~ p p l y ontractor and Erection Contractor shall be as agreed upon

I W ~ ach plant unit.

i) Cable trays/ducts through the fire barrier wallbetween ECRs and cable tunnels as well as within

cable tunnels (where applicable) shall be providedwith:

a) Fire resistant board for closing the gap between

the fire barrier wall and trays/ducts (to be cutto gize an@ fixed, based

onsite condition),

b) 3ea%ng the gap between the fire resistant board

and trays/ducts using fire resistant sealant

compoun,d.

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iii) Vertical cable trays/ducts at the crossing between

two floors shall be provided with:

a) Fire resistant board for closing the gap between

the floor and trays/ducts (to be cut to size andfixed, based on site condition). For conduits,

the gap inside conduits shall be sealed using

resistarst sealant compound on both ends.

b) Sealing the gap between the fire resistant boardand trays/ducts using fire resistant sealantcompound.

c) Applying fire resistant sealant paint on the

cables on the outer side of the fire resistant

board fo r upto 1.5M ength.

iv ] For cable entry to the panels, following shall beprovided:

a) The panels shall be provided with steel gland

plates at the bottom with cable glands for fixing

power and control cables. For specialunarmoured cables, the same may be directly

taken through the holes in bottom plate withoutcable glands.

b) Fire resistant board and/or fire resistant

compound will be provided for special cables forsealing th e gap a t the cable entrance betweenth e cables and s t e e l gland plate inside thepanel.

c) All gaps will be sealed by fire resistantcompound from inside the panel.

d) Applying fire resistant c oa t i ng around cablesupto 1.5M length below the panel. Howeve r , the

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socket outlets, etc as well as wiring and earthing of lighting fittings,

associated distribution equipment and accessories.

7.3 The installation of lighting fittings andaccessories shall be complete in all respects and shall

include supply of items like MS brackets, hangers, hains, suspensionpipes, etc as required.

7.4 MCB boards, switches, socket outlets, etc shallbe maunted by means of steel brackets welded to the

building steel structures or fixed on concrete or brick colurnn/wall

with raw1 bolts. Direct welding on steel structures o r direct fixing onco1umn/wall is no t permissible. The bottom of th e local switch boards

shall be at a height of 1500 mm from the finished floor level.

7.5 In case of 3-phase,4-wire system, more than one single-phase circuit, if not originating from the same phase shall

not be taken through the same GS pipe/conduit.

7.6 tn plant buildings, PVC insulated and PVC sheathedlighting cables shall generally be laid exposed along

columns, underneath crane girders, walkways, structural membersetc .

In areas where cabfes are Iiable t o be damaged due t o

* mechanical or other hazards, including high ambienttemperature, the cables shall be laid in GS conduits. Also, cabling in

' false ceilings shall be done in G S conduits using PVC unsheathedcopper conductor cables.

7 .& In offices, canteens and other non-plant buildings,

generally PVC conduit wiring shall be adopted. Where

concealed wiring is required this shall be done over PVC conduit using

PVC unsheathed copper conductor cable.

7-9 Conduits and lighting fittings shall be suitably

grounded. To achieve perfect electrical continuity, theconduits shall be effectively bonded.

7.10 Identification marks shall be painted on all the ,lightingdistribution boards, MCB boards, sw i t c h boxes, lighting

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8 .2 The earthing installation shall be complete in alt

respects and shall include supply of materials lik&weather proofing compound, anticorrosive paints, steel saddles,,

clamps, bolts, washers, etc as required. Where earthing conductors

are buried underground the excavation and subsequent backfillingshall be the responsibility of the contractor.

8.3 Transformer neutral shall be earthed by two separateI - r, and distinct earth connections. One of the neutral. earthing leads shall be taken to an independent ear th electrode while

the second earthing lead shall be connected o the station earth mat.

8.4 .. ,. All non-current carrying metallic parts of various

electrical equipment as well as cable armouring, metallic

corlduit/O.S. pipe system, cable racks, brackets, supportingstructures, etc shall be effectively earthed. Earthing of medium and

high vol tage equipment shall be done by means of tw o separate earthcontinuity conductors connected either directly to earth electrodes orto an earthing grid irrespective of use of armourad cable or metallic

conduit/ G .S . pipe. Building/ technological steel structures, metallicutility pipes shall not be used as earth continuity conductor.Connections to equipment subject to vibrations shall be achieved b yusing stranded GI wires of adequate cross section and enough loopwith detachable bolted connection for earthing.

8.5 Galvanised Steel flats shall be used fo r station earthmats. Earth conductors shall comprise galvanised M S flat

or stranded galvanised steel wire. Generally main earthing grids and

earthing leads shall be directly buried in ground. Additional earthinggrids, wherever provided inside plant buildings/ substations and earthcontinuity conductors shall be taken either exposed on cable racks,structures,wails, ceilings, etc or embedded in concrete.

8.6 Earth conductor directly buried in ground shall generally

be taken at a depth of 600 mm. Earthing grid, wherever

embedded in concrete, shall be laid parallel to the column r ow s ofbuildings. Earth, continuity conductors, wherever possible shall be

taken along pipes embedded for laying of cables.

8.7 A s fa r as possible all earth terminations and

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8.9 EOT cranes and other movable equipment fed from

power conductor system shall be connected to earth over

fourth conductor of the crane power conductor system (down shop

lead). Where the power to the equipment is fed by flexible trailingcables, the same shall contain one separate earth continuity

conductor having the same cross section as that of the current

carrying conductor.

8.10 Connection of earthing leads to earth electrodes and

termination of flat earth continuity conductors to

equipment shall be made by means of bolting. Connection of strandedearth wire to flat earth conductors as well as to equipment shall be

made through crimping type lugs and bolting. Jointing and tapping offlat earth canductors shdl be done by means of welding. Terminationof earthing flats to crane rail, building structures, etc shall be done bymeans of welding.

8.11 Earth conductors from electrodes or earthing grid

when entering basement, cable cellar, concrete trench,cable pit, etc shall generally be embedded in concrete either directly

or through pipes. Earth conductors crossing roads or rail tracks shall

be taken through concrete pipe.

8.12 Cable screens and armours shall be bonded to earthing

system in accordance with IS 1255. Also, metal pipesand conduits carrying cables shall be bonded and effectively earthed.

For conduits, armoured cables, cable trays, etc the connection to theearthing system shall be cloae to the supply point. The earthing

conductors while entering into the building shall be provided with

identification marking plate. If the earthing conductor is takenthrough G.S.pipe, then it shall be bonded to the pipe at both ends.

8.13 Earthing system shall be kept electrically separate

f rom the metal work of surface pipes, which are carrying

gases or inflammable liquids. In explosive and hazardous

locations like gas pipe lines, fuel oil tanks, tc provision shall be madefor protection against static discharge by suitably connecting the

equipment to an earthing system, which is segregated from the plant

earthing system.

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provided in accordance with drawings and instructions. Each

electrode station shall also be provided with a marker.

8.16 Separate earthing system shall be provided fo r the

electronic control system and associated power devices asper manufacturer's recommendation.

IIBTALLATIOI OF L IGHT I I l Q PROTECTION SYSTEM

9.1 The installation of lightning protection system shall be

carried out strictly as per IS:2309 - Code of Practice for

the protection of building and allied structures against lightning. It

shall comprise installation of roof conductors, down conductors,

earthing stations and associated accessories.

9 .2 Unless otherwise specified a ir terminations shall be of

horizontal conductor type. The horizontal airterminations sha l l be so interconnected that no part of the roof ismore t h a n 9 metres away from the nearest horizontal conductor. For

flat roof, horizontal conductors shall generally be provided along th eouter periphery of the roof.

9 . 3 All metallic projections, chimneys, ducts, vent pipes,

railing, gutters, etc on or above the main surface of the

roof shall be properly bonded to the air termination network.

However, gas pipes shall in no case be bonded with this network.

9.4 Installation of galvanised steel s t r ip s directly buried inground shall be inclusive of excavation of trench, Iaying

and welding of the strips and back-filling of the trench.

9.5 Installation of GS strips along building roofscomprising CGS sheet or concrete walls, columns,

s t r u c t u r e s sha l l include necessary cutting of holes, making chases,clamping, bolting, welding, etc. It shall also include the supply of

necessary clamps, nuts, bolts, MS washers, bituminous wa s h e r s ,wea ther -proo f ing compound, anti-corrosive paint, etc to make theinstallation complete in all respects. Flexible connections shall beprovided wherever strips on the roof top crosses th e building flexible

joints. Holes and damages done to the existing civi l and structural

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LAYOUT CLEARANCES AND SAFETY REQUIREMENTS

1 0 . 1 Fo r every electrical switchboard, control panel, motor

control centres, etc that requires back access , the space

behind the equipment shall generally be around 1000 mm but in nocase less than 760 mm. The space provided shall be adequate to

permit at least 90 degree opening of doors or hinged panels. h ase s

where back clearances are provided, there shall be a passage-wayfrom either end of the equipment clear to a height of 1800mm. Wherethe equipment are not required to be attended from the back, the

equipment may be placed along the walI/structu~ehaving clearancesl e a s than 200 mm. CCs/PCCs/PDBs/LDBs halI not be erected backto back.

10.2 For all switchboards, control panel^, motor contrdicentres, ete a clear space of not Iess than 1500mm shall

be provided in front of the equipment. In cases where the equipmentis provided with draw out units and the above clearance is not

adequate, he front space shaIl be to suit the draw out unit.

10_,3 Separate rooms shall be provided for high vo l tage and to wI # , voltage swi tchgears . In case they are located inside the

same room, hen a minimum clearance of 1000 mm shall be providedbetween high voltage and low voltage switchgear panels. For allelectrical equipment a minimum 1 , head T ~ Q J J ~

of 500 mm shall be provided.

10.4 In case of transformers located inside fully enclosed cells,free space around the transformer shall be not less than

1000 mm. For O N A N transformers installed indoor, fire separating

barrier of 355 mm thick brick wall or 230 rnm concrete wall up to the

roof shall be provided in between two transformers. For all the

transformers ocated in cells having front covered by expanded metal

structure, a clear space of not less than 1,250 mm shall be provided

between the transformer and the expanded metal structure.

10.5 All switch/control rooms as well as the substation

building shall have minimum two entrylexit d o o r s . Thecable cellars and basement shall a l s o b e provided with tw o entrylexit

doors preferably.

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10.8 A11 electrical panels having operating voltages, 415 V

and above, shall be provided with danger boards of

approved type and shall be affixed permanently in a conspicuous

position. Where a group of equipment is located within aswiteh/control room or within a fenced area, the board shall also be

, - , fixed at the entrance. Shock treatment charts shall be provided nearsuch equipment for first-aid during shock-treatment. The board and

, .,

the shock-treatment chart shall be in English and Hindi.11'1-i I- 1 J 10.9 750 mm wide rubber mats shall be provided in front of

all switchboards for personal safety. The rubber mats

shall be tested for applicable voltage grade as per IS:5424.

10.10 All moving parts of equipment which are exposed and

are liable to cause hazard to the operation/maintenancepersonnel shall be suitably protected by metallic guards.

TESTilQQb COMMISS IO l I lG OF ELECTRICALXNSTALLATIOHS

11.1 The contractor shall be responsible for the testing andcommissioning of the installation work executed by him in

compliance with the standard procedure in vogue, codes of practice of

Indian Standards and instructions furnished by the equipment

supplier and Purchaser. The contractor shall provide his own testequipment including the high voltage test kit, relay testing se ts ,

continuity tester, multi-meters, phase rotation tester, megger, ttc andall other equipment required for testing and commissioning of theplant.

DESIGN BASIS OF

EARTHING SYSTEM AND LIGHTING PROTECTION

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3.6 Far earthing of building columns, crane/movable

equipment, rails, etc minimum 40 x 6 rnm galvanised

steel flat8 ;g@J be used.

3.7 Conductors, used for earthing of 415 V system andabove shall in no case have cross-sectional area less than

6 sq mrn stranded GS wire.

3.8 All earthing systems shall be so designed as to ensure

effective operation of protective gears in case of earth

faults. The total ear th resistance at any point of the earthing system

for substations and main plant buildings shall not be more than one

ohm. However, for other areas, the value shall no t exceed 5 ohms.

3.9 The ear th resistivity values of soil will vary in different,

areas of the site. For all substations and main plant!buildings, number of electrodes to be provided fo r the earthing system,

:shall be decided after actual measurement of soil earth resistivity at!' that location. For other areas the soil resistivity may be considered to :

be 70 ohm-meters. However , after complete installation actual earth?

'resistance shall be measured in al l cases add, if required, additionat

electrode shall be provided to achieve the values indicated above. No!earth ring shall have less than two ear th electrodes.

3.10 Earthing station shall be provided in accordance withIS:3043. Earthing stations shall comprise GS pipes of 40

rnm nominal diameter and 3 meters long.Bottom half of the pipe shall

have holes drilled at intervals on its surface.Removable caps shall be:provided a t the top of pipe to facilitate pouring of water. Suitable

clamps shall be provided with the electrodes for connecting earthconductors. The top of the electrodes shall be about 100 mm below

ground level while connection to the earth conductor shall be made atabout 150 mm below ground level. The to p portion of electrodes shall

be enclosed in 300 x 300 x 300 rnm M I 5 concrete housing and

provided with concrete top cover and marker. Provision shall be kept

a t each earth station for testing ear th resistance. Each earth stationshall be complete with alternate layers of coke a n d salt. Separate

earthing station shall be provided for electronic earthing conforming

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wherever embedded in concrete shall be laid parallel t o the columnrows of buildings. Earth continuity conductor embedded in concreteshall generally follow the shortest route andwherever possible shall be taken along pipes embedded fur laying of

cables. Earth conductors laid on cable racks, trays etc. shall beplaced in accessible location keeping adequate clearance t o facilitateeasy connections. Earth conductors laid along pIant/equipmentstructures, wall, ceiling etc. shall maintain symmetry with otherinstallations and shall be uniformly spaced with cables/utility pipesrunning along the same oute. Galvanisad steel saddles shall be eased

for clamping earth conductors on cable racksltrays, structures, wall,ceiling etc. The saddles shall be clamped to galvanised steel flatspacers with tapped holes and supporting the earth conductors. Flatsshall be supported at intervals not exceeding 1000 mrn and strandedwires at intervals of 500 mm. Earthing leads from tranaformerneutrals shall be so taken as to avoid contact with the transformerbody. In case the contact cannot be avoided, the leads shall besuitably taped with insulating tapes.

3.13 Conductor size adopted for earthing ring shall in no

case be less than that of the earth continuity conductorsconnected t o it. The size of earthing leads connected to earthelectrodes shall not be less than that of the earthing main. Unlessotherwise specified earthing ring for plant buildings shall not be lessthan 50 mm x 6 mm galvanised steel flats,

3.14 For earthing of building columns structures, crane/

movable equipment, rails, etc. 50 x 6 mm galvanised steelflats shall be used.

3.15 Conductors used for earthing shall be in no case have

cross-sectional area less than 6 sq mm strandedgalvanised steel wire.

3.16 The minimum size of galvanised MS flat earth

conductors for main earthing ring, cross connections t o

main ringas well

as leads taken to earth electrodes for varioussubstations shall be as given belaw unless a higher size is requiredfrom the view point of higher available fault level:

.. 7 5 rnm x 10 rnm

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The minimum size of galvanised steel flat7w1re forearthing of various equipment shall be as follows:

* I . . i) Motor control centres, auxiliary power distributionr

boards etc fed from the following:- - I . .

-. !- 2000 kVA ranaformer .. 75 mm x 10 mm

% I . - . - 1 6 0 0 K V A% 10OOKVA .. 6 5 m m x 8 m m

transformer, . .= - 1 - A - 630 KVA transformer ,.. d S m m x 6 m mI # . . - - .- - !! - 3 .

ii ) 6.6 KV switchgear of 6.6 KVLI

load-centre substations ed >

,.,- . r I 1.1 , r I over 11/6.9 KV transformers,: . . - .A'.-> =. . rc ,<,-

, - - - , T . IT . .. &upto 10 MVA rating i b t h . . - 5 .. 40 rnm x g m mn ' '!' 1 ,

,. I : ii) 6.6 KV MCC ed from substations P I

covered under item(ii)

above..

4 0 m m x S m m

I iv) All main drive motors and 6.6 kV . 50 mm x 6 mm

AC motors

r x> ~ ...-",7 A

v] LT AC motars from 160kWupto 200 kW

vi) LT AC motors from 1 lOkWup to 132 kW

vii)LT AC motors frp~,h,5kWup to 90 kW

viii)LT AC motors from 15kWup to 45 kW '

ixJLT AC motors from 3,7kW

up t o 1 1 kW

x) LT AC motors from 0.37kWup to 2 .2 k W

.. 16 sq 13fhstranded

.. 6 sq rnmstranded

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and socket outlet up to 16 A

xv) Highbay lighting fittings, control .. 12 SWG

gear and unction boxes

xvi)Lighting wiring system .. 14 SWG

4 O LIGIHTNIIQ PROTECTION

4.1 The method adopted for protectian of buildingsand allied structures against lightning shall be in

accordancewith IS:2309.

4 -2 Generally all plant building with non-metallie/

coatad sheat roof and all buildings having concr~te oofshall be protected against Iightning, For evaluating the need forprotection of a particular building the procedure as laid down i nIS:2309 shall be followed,

4.3 Generally for structure8 having roofing made of COS

sheets and metal chimneysltowers not exceeding 30metres in height, separate lightning protection system may not beprovided, However, such structures and installation must be

adequately earthed to ensure free conducting path for lightningstroke.

4 .4 All buildingsjstructures irrespective of their type of

construction when used for storing explosive, inflammablegases, fuel oils, etc shall be provided with lightning protection.

4,s The lightning protection system shall comprise airterminations, in the form of horizontal conductors, down

conductors and earth electrodes. Earthing system and lightningprotection system shall be electrically interconnected except for

building/ tructures used for storing explosive, inflammable gases andfuel oils.

4.6 The number of down conductors from air terminationto th e earth electrode shall be selected on the basis of one

down conductor for every 30 Metres of building perimeter. However,in no case the number shall be less than two. Dawn conductor shall

ANNEXURE-III

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ANNEXURE-IV

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4_1PART_C

Documents

Transcript of 4_1PART_C