EMPLOYEES’ STATE INSURANCE CORPORATION Ministry of Labour & Employment, Govt. of India

“PANCHDEEP BHAWAN”

Plot No.-6, Block-GB, Sector-III, Salt Lake, Kolkata – 700 097.

Ph. 033 2335 6021

www.esic.nic.in.

No. C/AG-12/11/C/2016 Date :11.03.2019

E-TENDER NOTICE

NOTICE INVTING TENDER FOR SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11 KV

250KVA TRANSFORMER, HV PANEL WITH VCB AND LT PANEL WITH ALLIED EQUIPMENTS AND

ACCESSORIES AT ESI HOSPITAL KALYANI, WEST BENGAL..

The Additional Commissioner & Regional Director, ESIC Kolkata invites E-tender from eligible Agencies

/ Contractors for SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11 KV 250KVA TRANSFORMER, HV PANEL WITH

VCB AND LT PANEL WITH ALLIED EQUIPMENTS AND ACCESSORIES AT ESI HOSPITAL KALYANI, WEST BENGAL.. The Additional

Commissioner & Regional Director reserves the right to reject any or all the tenders without assigning any

reason thereof. The bidder has to submit a declaration under his signature and seal stating to complete the

work as per tender condition and specification within the prescribed time limit.

Sl.No

Nature of Work Estimated Cost

2% Earnest Money to be

deposited on estimated cost

Work Completion

Time

01

SUPPLY, INSTALLATION, TESTING AND

COMMISSIONING OF 11 KV 250KVA

TRANSFORMER, HV PANEL WITH VCB

AND LT PANEL WITH ALLIED

EQUIPMENTS AND ACCESSORIES AT ESI

HOSPITAL KALYANI, WEST BENGAL..

Rs. 4122385/- Rs. 82,448/- 100 Days

* Rate shall be quoted by tenderer must be inclusive of GST & All Other Charges.

1. Tenderers are requested that, before quoting their rates or sending tender, the tender form may please

be read out thoroughly (line by line), otherwise purchaser will be held responsible for any

error/oversight.

2. The form is a standard Form of Tender. Certain clause / clauses may not be applicable in some cases.

So, Tenderers are requested to ignore such clause / clauses, which are not applicable in the instant

case.

3. Tender documents is also available for viewing on the 'tenders' link of the website Employees' State

Insurance Corporation i.e.www.esic.nic.in, & https://esictenders.eproc.in

4. The interested tenderers should upload duly filled up tender form and their bids along with scanned

copies of all the relevant certificates, documents, etc. in support of their technical & price bids –

all duly signed – on the https://esictenders.eproc.in latest by 02.04.2019 upto 13:00 Hours. The

successful Bidder (After Confirmation as L1 Bidder) only shall have to submit Earnest Money Deposit

(EMD) @ 2% of the Estimated Value in the form of Demand Draft drawn in favour of “ESIC Fund”,

payable at Kolkata by hand or by post at Regional Office within 7 days after confirmation.

5. Eligibility :

a) All tenderers are requested to follow the checklist at the time of submission of tender documents

and must be enclosed self attested photocopy of under mentioned serial no. (i) to (vii).

(i)Tender documents must be signed all pages and total no of pages in tender documents should be

numbered serially.

(ii) Work completion certificate/credential.

(iii)Valid trade license.

(iV) Valid Electrical contractor license.

(v) ESI & PF Registration Certificate.

(vi)ESI & PF current challan copy.

(vii)Audited Balance Sheet of Last 3 Years.

b) Agencies having sufficient credential in any Govt. / PSU Sector / Semi Govt. / Autonomous body /

Statutory body of India for undertaking similar nature of electrical job within last 3 years are

eligible to apply. Agencies are requested to attach their respective credential certificate also with

the tender paper at the time of dropping the tender paper.

c) One similar work of value not less than 80% of the value of work to be executed or Two similar

works of value not less than 50% of the value of work to be executed for each job within last three

years.

6. Acceptance of Tender :

The Corporation reserves the right to change the scope of work and reject any or all tenders without

assigning any reason thereof. The Corporation is also not bound to accept the lowest bidder.

Successful tenderer has to execute the work himself. He will not be allowed to sub-let the work to any

other agency. No escalation charges will be paid to the Contractor.

Tenderer are advised to follow other terms and conditions furnished in the enclosure carefully before

making any entry or quoting rates. Any change/rectification of offered rates will not be considered

afterwards. Agency should upload clear scan copies of relevant documents.

Addl. Director & Regional Director ESIC, Plot No.-6, Block-GB, Sector-III, Salt Lake, Kolkata –700097

does not pledge himself to accept the lowest or any tender and reserve to himself the right of

accepting the whole or any part of the tender.

Acceptance by the purchaser shall be communicated in due course. You are requested that the

instructions contained in the said communication should be acted upon immediately /as asked for.

Period during which E-Tenders may be submitted online and

EMD Demand Draft in the Construction Cell, RO-Kolkata 11.03.2019 to 02.04.2019(01:00PM)

Last Date & Time of submission of E-Tender 02.04.2019 at 01.00 PM

Date & Time of Opening of E-Tender 02.04.2019 at 03.00 PM

Earnest money to be deposited 2% of Estimated Cost

Addl. Commissioner & Regional Director

West Bengal Region

Employees' State Insurance Corporation

Payment Related Instructions for Bidders

All bidders/contractors are required to procure Class-IIIB Digital Signature Certificate

(DSC) with Both DSC Components i.e. Signing & Encryption to participate in the ETenders.

Bidders should get Registered at https://esictenders.eproc.in.

Bidders should add the below mentioned sites under Internet Explorer ->Tools ->

Internet Options -> Security -> Trusted Sites -> Sites of Internet Explorer :

https://esictenders.eproc.in

https://www.tpsl-india.in

https://www4.ipg-online.com

Also, Bidders need to select “Use TLS 1.1 and Use TLS 1.2” under Internet Explorer ->

Tools -> Internet Options -> Advanced Tab -> Security.

Bidder needs to submit Bid Processing Fee charges of Rs. 2495/- (non-refundable) in

favour of M/s. C1 India Pvt. Ltd., payable at New Delhi via Online Payment Modes such as

Debit Card, Credit Card or NetBanking for participating in the Tender.

Bidders can contact our Helpdesk at https://esictenders.eproc.in/html/Support.asp

Annexure-I

SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11 KV 250KVA TRANSFORMER, HV PANEL WITH VCB AND LT PANEL WITH ALLIED EQUIPMENTS AND ACCESSORIES AT

ESI HOSPITAL KALYANI, WEST BENGAL..

The tenders will be opened on 02.04.2019 at 03.00 pm in the presence of tenderers or their authorized representatives who may wish to be present on that day. In case tender opening day is declared as holiday, tenders shall be received and opened on next working day as per the above mentioned schedule. The site where SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11 KV 250KVA TRANSFORMER, HV PANEL WITH VCB AND LT PANEL WITH ALLIED EQUIPMENTS AND ACCESSORIES AT ESI HOSPITAL KALYANI, WEST BENGAL. which is to be done, must be inspected and work schedule is to be understood by the Agency prior to submit the bid. Agency may consult with our E.S.I.C authorities on any working day during office hours (09.45 am- 06.15 pm) if desired. Tenders received after the due date and time will not be accepted under any circumstances. The Additional Commissioner & Regional Director reserves the right to accept or reject any or all the tenders without assigning any reason(s) thereof.

The tenders are requested to submit their bid online on https://esictenders.eproc.in within stipulated time.

The successful tenderer must submit a ‘Demand Draft’ from any nationalized/scheduled banks as earnest

money drawn in the favour of ESIC FUND payable at Kolkata for an amount equal to 2% (Two Percent) of the Total estimated value of the tender. The EMD deposited with earlier if any will not be adjusted against this tender. Tender without EMD or less than 2% of the estimated value of work will not be accepted in any case. EMD shall be kept in a sealed envelope superscribed as “SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11 KV 250KVA TRANSFORMER, HV PANEL WITH VCB AND LT PANEL WITH ALLIED EQUIPMENTS AND ACCESSORIES AT ESI HOSPITAL KALYANI, WEST BENGAL..” and submitted at Construction Cell at ESIC New Building, Salt Lake, Kolkata-97(4th Floor) by hand or by post within prescribed time.

Tenderer must provide the valid Tel and e-Mail ID with the tender. The tenderer is required to submit an

undertaking as per the Proforma enclosed on Annexure IV. The tender must attach all the documents as mentioned in the checklist attached as Annexure-V.

The rates quoted in ambiguous terms such as “Freight on actual basis or “Taxes as applicable etc” or “packing forwarding etc”/ “Govt. taxes as applicable” etc will make their bid liable to rejection. The rates/ amount should be quoted in I.N.R. The price should be all inclusive lump sum price offered for each item including cost of the equipment, freight, insurance packing forwarding and inclusive of all taxes etc. and including charges for installation and commission with all the men and material required for the same.

Addl. Commissioner & Regional Director

West Bengal Region

Employees' State Insurance Corporation

Annexure-II

Terms and Conditions Governing Contract

The Additional Commissioner & Regional Director, ESIC, Kolkata does not pledge himself to accept the lowest or any

tender and reserves to himself the right of accepting the whole or any part of the tender or portion of the quantity offered and accordingly supply / execution of work would be completed at the rate quoted.

Security deposit/Performance Guarantee: - Successful bidders shall have to deposit 10% Security Money of the total

tendered value in the form of Demand Draft/Bankers Cheque / Pay Order or Bank Guarantee from any Nationalised/Commercial Bank to be pledged in favour of “ESIC FUND’ payable at Kolkata within 07 days on receipt of work order.

Agreement:- The successful bidder has to sign an agreement with the E.S.I.C in stamp paper of appropriate value. Tender condition will be a part of agreement.

The contractor shall not sublet transfer or assign the contract to any part thereof without the written permission of the Additional Commissioner & Regional Director. In the event of the contractor contravening this condition, The AC & RD may be entitled to place the contract elsewhere on the contractors account at his risk and the contractor shall be liable for any loss or damage, which the Additional commissioner & Regional Director, ESIC Kolkata may sustain in consequence or arising out of such replacing of the contract.

Assistance to contractor: The contractor shall not be entitled to assistance either in the procurement of raw materials required for the fulfillment of the contract or in the securing of transport facilities.

Payment:- Payment will be made for the work on satisfactory completion, inspection and measurement by E.S.I.C Engineer. Bills will be paid through ECS/NEFT on satisfactory performance of the contract (else the amount will be confiscated).

Penalty for delay in completion of work: - If there is delay in completing the work, contractor shall be liable to pay liquidated damages in the form of deduction of 1.25% of total cost of work/supply for every week of delay or part thereof subject to maximum of 5% of total cost of work If the work is not completed within the approved/ extended time by competent authority, security deposit if liable to be forfeited and tender may be canceled. Part work done by the agency, if any, will not be measured and paid for. There will not be any leniency regarding timely completion of work. 'Agency is carry out the works as issued by this office.

Arbitration: - In case of any dispute, the difference arising out of the agreement, the same shall be referred to appointed arbitrator in Kolkata only and his decision shall be binding on both the parties.

Addl. Commissioner & Regional Director

West Bengal Region

Employees' State Insurance Corporation

Annexure-III

Format of undertaking to be submitted along with Tender

Undertaking:

1. I the undersigned hereby declare and affirm that I have gone through the Scope of Work, Special Terms and condition, Technical Specification, Make List and General terms and conditions mentioned in the tender document and under take to comply with all the terms and conditions.

2. That the rates quoted by me are valid and binding upon me for the entire period of contract.

3. That the earnest money of Rs . ………………….…………… deposited by me vide Demand Draft No. …………….……….. Dt. …….……… drawn on ……………...................…………… (Name of the Bank) is attached herewith. 4. The physical EMD shall be deposited by me/us with the PMD Head Calling the bid in case I/we become the lowest bidder within a week of the opening of financial bid otherwise department may reject the bid and also take action to withdraw my/our enlistment/debar me/us from tendering in ESIC.

5. That I/ We authorize The Additional Commissioner & Addl. Commissioner & Regional Director ESIC, Kolkata to forfeit the security deposit money submitted by me/us if any delay or failure to supply the article/completion of the work to the satisfaction of the hospital authority within the stipulated time of the items of desired quality.

6. That I will be in the position to provide contract as per the work explained to me to the satisfaction of the Hospital authority.

7. That there is no vigilance/CBI case or court case pending against me/ my firm debarring me/my firm to undertake contract work/ supply of items quoted.

8. That I hereby undertake to carry out the work as has been explained to me to the satisfaction of hospital authority with in stipulated period.

9. I have been informed that The Additional Commissioner & Addl. Commissioner & Regional Director, ESIC, Kolkata has the right to accept or reject any or all the tenders without assigning any reason thereof.

10. I am ready to sign the agreement with the ESIC which was shown to me.

Signature & Address of the Tenderer STAMP

Annexure-IV

TENDER APPLICATION FORM

S.No. Items Details of Bidding Agency

1 Name and full postal address of the Contractor/Agency

2 PAN No.

3 GST No.

4 ESI and EPF Reg. No. (If applicable)

5 Telephone/Mobile No (Mandatory)

6 Fax No.

7 E-Mail Address (mandatory)

8 Bank Name and Branch

9 Bank Account No.

10 Bank IFSC No.

11 Are you in the list of approved contractors of any other organization / institution, if any give details (Append extra page if necessary)

12 Give details of any Government contracts executed during the last twelve months (Append extra page if necessary):-

13 Any other information which you consider necessary to furnish

Date: Signature of the tenderer: Place: Full Name: Designation: (Office seal of the tenderer)

Annexure:- V

COMPULSORY DOCUMENTS TO BE SUBMITTED ALONG WITH THE TENDER (Checklist)

The following documents must be submitted along with the tender, without which the tender is liable to be rejected. The tenderer must make a tick against each of the following documents submitted.

(Please Tick the applicable boxes)

1. EMD worth Rs…………… dated…………….drawn from.................................

2. Copy of documents showing credential(Work completion certificates)

3. Copy of PAN Card.

4. Copy of Registration of ESIC and EPF

5. Copy of Latest Challan of ESIC and EPF □

6. Copy of Trade License/Documents showing the validity of Trade -license.

7. Copy of electrical License/ Document showing validity of Elec. License if applicable.

8. Undertaking as mentioned in Annexure-III (Page no.6).

9. All the tender documents from Page no.1 to 35 with signature & stamp of party.

on each page

10. Audited Balance Sheet of Last 3 years.

11. □

12. GST Registration Certificate.

13. …………………….…………. (Any other Document/Information, if necessary).

Name: Signature: Stamp:

Scope of work :- SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11 KV

250KVA TRANSFORMER, HV PANEL WITH VCB AND LT PANEL WITH ALLIED

EQUIPMENTS AND ACCESSORIES AT ESI HOSPITAL KALYANI, WEST BENGAL.

Local Authorities Compliances

The work shall conform to all the provisions of the relevant Government Legislation, regulations and Bye-laws

of the Central/Local Authorities and of the concerned Electricity Supply Authority. The Contractor shall also be

responsible for giving all notices required under the said Acts/Regulations/Bye-laws.

Electrical License

The tenderers shall be a licensed Electrical Contractor possessing a valid Contractor's license of appropriate

class in the state, employing license supervisors and skilled workers having valid permits as per the regulations

of Indian Electricity Rules and local Electrical Inspectors requirements. Copy of Contractor's Electrical License

shall be furnished along with the tender.

INTENT OF SPECIFICATIONS

It is not the intent of Technical Specifications to completely specify all aspects of design / construction features

of equipments and all details of work to be carried out, Nevertheless the intent of the Technical Specification is

to ensure that the equipments and the work shall fully comply with and conform to the relevant Bureau of Indian

Standard Specifications, Codes of Practice, Indian Electricity Act, Indian Electricity Rules and other Statutory

Regulations, and other standards as may be applicable and to the best available standards of engineering, design

and workmanship. The equipment and work shall perform in manner acceptable to Owners who shall interpret

meaning of the applicable Specifications / Codes and shall have the right to reject any equipment or work,

which, in their assessment, is not complete to meet the Standard/Code.

Brief description of site

Works covered in this contract is required for ESI Hospital at Kalyani, West Bengal. Tenderers are requested to

visit the site after taking prior permission from the Authorities of ESIS Hospital Kalyani for familiarizing

themselves with working conditions available at site as also with the statutory levies and their prevailing

quantum payable at site. Contractors shall not be entitled to claim any extra payment on account of lack of such

knowledge after award of contract.

Power Supply System

Available power at ESI Hospital Kalyani is 415 volt 3 phase 4 wire supply system with transformer neutral

grounded. The rated frequency of the supply system shall be 50 cycles per second. Agency should arrange their

own power or electricity supply for work execution.

Ambient Conditions

All equipments components and materials used in the work shall be suitable for continuous operation / use at

rated output with permissible overload at the following extremes of ambient conditions likely to be encountered

at site. Temperature from minimum 0o C to maximum 48º C Related humidity from minimum 10% RH to

maximum 100% RH.

OWNER TO PROVIDE

ESIS’s scope of contract shall be restricted to providing the following items free of cost to the Contractor.

a) Substation Rooms for two numbers Transformer and One number three panel VCB and LT panel.

b) Space only for Contractor’s site office / stores for the duration of the contract at location and of size

considered suitable and sparable by ESIS. ESIS reserve the right to provide alternative space for the purpose, if

so necessary, during the tenure of the contract.

SCOPE OF CONTRACTOR

Contractor’s scope of the contract shall comprise of providing equipments, components, materials, labour,

supervisory staff with infrastructure, T&P, scaffolding, consumables, testing equipment, etc. required for

completion of the work as per the contract Agreement and Free Comprehensive Maintenance for One year after

completion. Contract Rates shall be deemed to be inclusive of all Taxes (GST) and direct and indirect expenses

required to be incurred as per this scope including but not restricted to the costs of the following.

Items of Work

Design, manufacture, supply, installation, testing and commissioning of Substation equipments as per Schedule

of Quantities including minor and incidental work to ensure complete and satisfactory completion.

Statutory Levies

Rates shall be inclusive of statutory levies as applicable as below.

• Central Sales tax without issue of C-form by Owners.

• Excise duty/custom duty / GST.

• Work contract tax

• Octroi

• Any other levies.

Testing

Testing for the various items of equipment shall be performed at the contractor’s cost and test certificate to be

furnished by the contractor (for Transformer, VCB, LT Panel and Cables), if required by the Engineer, the

Contractor shall permit the ESIC or ESIS’s authorized representative to be present during any of the tests. After

notification to the ESIC / ESIS that the installation has been completed the contractor shall make under the

direction and in the presence of the Engineer such test and inspections as have been specified or as the Engineer

shall consider necessary to determine whether or not the full intent of the requirements of the plans and

specifications have been fulfilled. In case the work does not meet the full intent of the specifications and further

tests shall be considered necessary the contractor shall bear all the expenses thereof.

Transportation, Storage, insurance etc.

Quoted price shall be inclusive of all of the following.

• Loading, transportation and unloading.

• Protection of stored materials/installed work against damage due to dirt, sun and rain including providing

tarpaulin / PVC sheet covers as required.

• Providing security arrangements/watch and ward for stored materials and installed works to guard against

pilferage/damage.

• Comprehensive insurance with Owners as beneficiaries against pilferage/damage during transportation /

storage / installation valid till handing over.

• Third party insurance of adequate amount.

Name plates

Providing engraved anodized aluminum or approved equivalent name plates as per Indian Standard codes of

suitable sizes on switchboards /panels / equipments etc.

Civil works, cleaning and painting

4.6.1 Civil Works

• All steel foundation items that is required for installation and operation of Transformer, VCB and LT panels in

substation room.

• Minor civil work items required for the work like cutting the concrete for making trench having 1.5 feet width

and 2 feet depth and approx 30 feet long, making holes and openings, providing inserts, grouting etc including

making good and painting the civil works.

• Minor Civil work is required for making good the damages which is cause by cutting concrete or making hole

etc.

Housekeeping

Housekeeping and clearing of work area during the tenure of contract.

Final Painting

Providing final paint coat to all exposed fabricated steel work and providing matching paint in approved manner

over portions of factory painted equipment if damaged during transportation /storage / installation before

handing over.

Site Clearance

Demobilization and clearing of all temporary works / facilities after completion of work at site and cleaning

work are before handing over.

Statutory approval

• Obtaining approval (if required) from Electricity inspector and NOC from West Bengal Fire Service for

satisfactory installation of the substation equipments as also for clearance to put the substation equipments into

regular use.

• Obtaining any other statutory permission / clearance / approval from concerned authority as required.

• Pay any licensing fee / submission fee / inspection fee payable to statutory authorities for obtaining above

approvals.

• All actual fees payable in this regard (statutory approval) will be reimbursed against receipt / documentary

proof on completion of work.

Compliance of statutory observation.

Comply with observations, if any, of Electrical Inspector and / or any other Statutory Authority after completion

of work in order to obtain a categorical clearance to start beneficial use.

Manuals, drawings etc.

1 Along with the tender Technical Parameters enclosed as Annexure-VIII duly filled in by the Tenderers along

with technical catalogue etc. of the equipment offered.

2 Shop drawings i.e. GA, BOM and SLD drawings of Substation System shall be submitted to ESIC for

approval before commencement of work at site /fabrication / manufacture.

3 Operation and maintenance manuals three sets of operation and maintenance manual with support drawings

shall be submitted to the Owners after completion of work.

4 As built drawing of HT and LT panel shall be submit to ESIC office at that time of final bill.

Training

Training of ESIS or ESIC personnel in operation, handling and maintenance of equipment.

Final Bill

The Contractor shall submit 3 sets of operation and maintenance manual with support drawings shall be

submitted to the owner after completion of work. 3 sets of test results of pre-commissioning test carried out at

site. 3 sets of as built GA drawings. 5 nos of coloured SLD print out with lamination in A1 paper along with

final bill.

Completion Time

The entire work shall be completed within 100 days from the date of work order issued.

FREE MAINTENANCE PERIOD

Quoted rates shall be deemed to be inclusive of, free comprehensive maintenance (including spares) of

Substation equipments for a period of one year from the accepted date of completion of the contract.

FINAL BILL

The payment of final bill duly certified by the ESIC or ESIS’s Engineer shall be made as per Agreement.

WATER AND ELECTRICITY

The Contractor shall make his own arrangements for electricity and water at site. Nothing extra shall be payable

for this.

GODOWN/WORKER ACCOMMODATION

The accommodation for workers shall be arranged by the Contractor. No labour hutments shall be allowed

within the site premises. Storage space shall be arranged by the ESIS. Contractor shall construct the stores at his

cost and he shall be responsible for watch and ward of his materials/installations.

SAFETY REGULATIONS

• The Contractors shall, at their own expense, arrange for safety provisions as per safety codes of Indian

Standards Institution, Indian Electricity Act and such other Rules, Regulations and Laws as may be applicable,

as indicated below, in respect of all labour, directly or indirectly employed in the work for performance of the

Contractors’ part of this agreement.

• No inflammable materials shall be stored in places other than the rooms specially constructed for this purposes

in accordance with the provisions of Indian Explosives Act. If such storage is unavoidable, it should be allowed

only for a short period and in addition, special precautions, such as cutting off the supply to such places at

normal items, storing materials away from wring and switch boards, giving electric supply for a temporary

period with due permission of Engineer-in-charge shall be taken.

• Protective and safety equipment such as rubber gauntlets or gloves, earthing rods, line men’s belt, portable

artificial respiration apparatus etc. should be provided in easily identifiable locations. Where electric welding or

such other nature of work is undertaken, goggles shall also be provided.

• All necessary personal safety equipment such as Helmets, Protective footwear protective

Goggles / eye shields, Lift Jacket, Gas masks etc. as considered adequate by the Engineer-in-charge shall be

available for use of persons employed on the site and maintained in conditions suitable for immediate use and

the contractor shall take adequate steps to ensure proper use of equipment by those concerned.

• Safety means of access shall be provided to all working platforms and other working places. Every ladder shall

be securely fixed. Adequate precautions shall be taken to prevent danger from electrical equipment.

• The Contractor shall provide all necessary fencing and lights to protect public from accidents and shall be

bound to bear expenses of defence of every suit, action or other proceedings at law that may be brought by any

person for injury sustained owning to neglect of the above precautions and to pay any damages and costs which

may be awarded in any such suit, action or proceedings to any such person or which may with the consent of the

Contractor be paid to compromise any claim by any such person.

• Motor gearing, transmission, electric wiring and other dangerous parts of substation systemk appliances shall

be provided with efficient safe guards; substation equipments shall be provided with such means as will reduce

to the minimum risk of accidental descend of load. Adequate precautions shall be taken to reduce to the

minimum risk of any part of a suspended load becoming accidentally displaced.

• All scaffolds, ladders, First Aid Equipments/medicines and other safety devices shall be maintained in a safe

condition and no scaffold, ladder or equipment shall be altered or removed while it is in use. Adequate washing

facilities shall be provided at or near place of work. Necessary warning sign boards in Red / White paint, with

proper lighting arrangements for nights are to be provided at prominent locations.

• Necessary number of caution board such as “Man on Line, Don’t switch on” should be readily available in

easily identifiable locations.

• Standard first aid boxes containing materials as prescribed by the St. John Ambulance Brigade or Indian Red

Cross should be provided in easily identifiable locations and should be readily available. Periodical examination

of the first aid facilities and protective and safety equipment provided shall be undertaken and proper records

shall be maintained for their adequacy and effectiveness.

• Charts (one in English and one in regional language) displaying methods of living artificial respiration to a

recipient of electrical shock shall be prominently displayed at appropriate places.

• A chart containing the names, addresses and telephone numbers of nearest authorized medical practitioners,

hospitals, Fire Brigade and also of the officers in charge shall be displayed prominently along with the First Aid

Box.

• Steps to train supervisory and authorized persons of the Engineering staff in the First Aid Practices, including

various methods of artificial respiration with the help of local authorities such as Fire Brigade, Indian Red Cross

or other recognized institutions equipped to impart such training shall be taken, as prompt rendering of artificial

respiration can save life at time of electric shock.

• No work shall be undertaken on live installations, or on installations which could be energized unless one

another person is present to immediately isolate the electric supply in case of any accident and to render first aid,

if necessary.

COMPLETION CERTIFICATE

On completion of the electrical installation a certificate shall be furnished by the Contractor countersigned by the

Licensed Supervisor, under whose direct supervision the installation was carried out. This certificate shall be in

the prescribed form as required by the local supply authority. The contractor shall be responsible for getting the

electrical installation inspected and approved by the local and statutory authorities concerned and expenses if

any shall be borne by the contractor.

WORKMANSHIP

Good workmanship is an essential prerequisite to be complied for this work. Entire work shall be carried out in

the most workmanlike manner by skilled workers under competent supervision.

Technical Specification of Various Equipments –

3.2 OIL COOLED TRASFORMERS

3.2.1 General Construction

The oil filled transformers shall comply with the following Indian Standards as amended up to date:

(i) IS 2026 - Part I to V - power transformers.

(ii) IS 335 - Transformer oil.

(iii) IS 10028 (Part II & III) - Installation and Maintenance of Transformers.

(iv) IS 2099 - Bushings.

(v) IS 2705 - Current Transformers.

(vi) IS 6600 - Guide for loading of oil immersed transformers.

(vii) Measurement of winding resistance as per IS 2026 (part I):1977.

(viii) Measurement of impedance voltage or short circuit impedance and load loss as per IS 2026 (part I):1977.

(ix) Measurement of no-load loss and current as per IS 2026 (part I):1977.

(x) Temperature-rise test as per IS 2026 (part 2):1977.

(xi) Short-circuit test as per IS 2026 (part I):1977.

(xii) for energy efficient as per IS 1180 (part –II, sec – 3(A)).

3.2.2 Insulation Oil

Insulation oil shall conform to IS 335. Transformer oil to be supplied with initial fill of filtered oil.

3.2.3 General Requirements

The transformer shall be indoor.

3.2.4 Capacity, Rating and Details –

The KVA ratings for three phase transformers are given below: -

250 KVA, 3 Phase, 11KV / 433 Volt, Oil cooled, 50 Hz frequency, indoor type.

Continuous rating specified shall be irrespective of tapping position.

TEMPERATURE RISE

The reference ambient temperatures assumed for the purpose of this specification are as follows: -

(a) Maximum ambient air temperature 50°C.

(b) Maximum daily average ambient air temperature 40°C.

(c) Maximum yearly weighted average ambient temperature 32°C.

(d) Minimum yearly weighted average ambient temperature (-)5°C.

3.2.5 Tap Changing Device

Tap changing device shall be provided on H.V side, circuit type, externally hand operated with necessary

indications for tap position and locking arrangement at any of the tapping positions. It shall be designed for bi-

directional operation and shall be of self-positioning type and shall have the following steps: -

± 2.5% ± 5% -7.5% -10%.

Note: Tap changing device shall be off load type.

3.2.6 Voltage Ratio

The transformer shall be suitable for a voltage ratio of 11 KV/433 V.

VECTOR GROUP

The winding connections shall conform to vector group Dyn 11.

3.2.7 Cooling

The transformer shall be oil immersed natural air-cooled type (ONAN).

3.2.8 Accessories

The transformer shall be a single tank type with termination on cable end box indoor type both on HV and

MV side. The MV side shall be suitable to receive MV cable up to 400 Sq MM 3.5 core inter-connection

suitable for full load current of the transformer. The HV side shall be suitable to receive HV cable up to 150 Sq

MM 3 core inter-connection suitable for full load current of the transformer.

FITTINGS

The transformer shall be complete with the following fittings: -

(a) Oil conservator with oil level indicator, minimum level marking and drain.

(b) Off circuit type tap changer with position indicator and locking arrangement.

(c) Thermometer pocket with plug for transformers.

(d) 100 mm dial type /stem type thermometer with metal guard Dial type thermo-meter may have max.

Temperature indicator and resetting device.

(e) Lifting lugs for all transformers.

(f) Bi-directional /Unidirectional Rollers to be specified.

(g) Rating diagram and terminal marking plate.

(h) Explosion vent transformer.

(i) Additional Neutral separately brought out on a bushing for earthing.

(j) Earth terminals (2 Nos.) for body earthing.

(k) Valves for filtration, drainage and filling etc. with necessary plugs.

(l) Radiator assembly.

(m) Silicagel breather.

(n) Air release plug.

(o) First filling of oil to IS 335:1993 including make-up fill during installation.

(p) Facility to connect up Buchholtz relay does require.

(q) Inspection covers on tank cover for access to terminal connections .

(r) Cable box terminations required.

(s) Necessary hardware, clamps, lugs etc. for termination on HV/MV etc.

(t) Buchholtz relay is needed for protection.

3.2.9 Explosion Vent

Explosion vent or pressure relief device shall be provided of sufficient size for rapid release of any pressure that

may be generated within the tank and which might result in damage to the equipment. The device shall operate

at a static pressure less than the hydraulic test pressure for transformer tank. Means shall be provided to prevent

the ingress of moisture and of such a design to prevent gas accumulation.

3.2.10 Accommodation for Auxiliary Apparatus

For restricted earth fault protection, facilities shall be provided for the mounting of a neutral current

transformer.

RATING AND DIAGRAM PLATES

The following plates shall be fixed to Transformer in a visible position.

(a) A rating plate of weather proof material bearing the data specified in the appropriate clauses of IS

2026:1977.

(b) A diagram plate showing the internal connection and also the voltage vector relationship of the several

windings in accordance with IS 2026:1977 and a plan view of the transformer giving the correct physical

relationship of the terminals.

3.2.11 Joints and Gaskets

All gaskets used for making oil tight joints shall be of proven material such as granulated cork bonded with

synthetic rubber gaskets or synthetic rubber or such other good material.

3.2.12 Cable Box

Cable box shall not be mounted on the tank covers. It shall be feasible to remove the tank covers for inspection

during maintenance etc. without recourse to breaking the joints or disturbing the cables already terminated.

Necessary removable links in oil approachable through inspection cover in tank cover etc. after lowering oil

shall be provided for test purpose.

3.2.13 Parallel Operation

For parallel operation of transformers, the transformers shall have the same percentage impedance, same voltage

ratio, same vector group, phase sequence etc.

3.2.14 Tests

3.2.14.1 Tests at Works :

All routine and other tests prescribed by IS 2026 shall be carried out at the manufacturer’s works before dispatch

of the transformer in the presence of inspecting officer if required. Copies of the test certificates shall be

furnished to the department. In addition to the prescribed routine tests, temperature rise test shall be invariably

done on one transformer of each design. A copy of the impulse test certificate done on the same type/ design of

the transformer shall be furnished in accordance with IS for purpose of record. If no impulse test was done in an

earlier unit of the same design and capacity, one transformer will be subjected to impulse test in consultation

with the Inspector at the firm’s cost. Copies of the certificates for pressure test, test for bushings, and type test

for short circuit shall be supplied to the Department.

3.2.14.2 Tests at Site :

In addition to tests at manufacturer’s premises, all relevant pre-commissioning checks and tests conforming to IS

code of practice No. 10028 (Part II & III) shall be done before energization. The following tests are to be

particularly done before cable jointing or connecting up the bus bar trunking:

(a) Insulation test between HV to earth and HV to MV with 5000 volts Megger.

(b) Insulation test between MV to earth with 500 volts Megger.

(c) Di-electric strength Test on oil.

(d) Buchholtz relay operation by simulation test when fitted (not applicable for this)

All test results are to be recorded and reports should be submitted to the department.

3.2.15 Installation and Commissioning

3.2.15.1 The transformer shall be installed in accordance with IS 10028 (Part II & III)-Code of practice for

Installation and maintenance of transformer. Necessary support channels shall be grouted in the flooring.

3.2.15.2 The transformer shall be moved to its location and shall be correctly positioned. Transformer wheels

shall be either locked or provided with wheel stoppers. All parts of the transformers which are supplied loose,

such as conservator, radiator banks, Buchholtz relay, dial thermometer, bushing etc. shall be fitted on the

transformer. Transformer oil supplied in drums shall be topped up into the transformer after duly testing/filtering

up to the correct level required.

3.2.15.3 Wiring of devices such as Buchholtz relay, dial thermometer etc. shall be carried out as per drawings,

Earthing of neutral and body of the transformer shall be done in accordance with section (7) of these

specifications.

3.2.15.4 Drying out of transformer winding will be necessary when the di-electric strength of the oil is lower

than the minimum value as per IS10028 or the transformer has not been energized within 6 months of leaving

the works or where the radiator assembly is done at site. The transformer shall be dried out by one of the

methods specified in IS 10028. Drying out with centrifugal or vacuum type filters will, however, be preferred.

The contractor shall carry out the process of drying without interruption and shall maintain a log sheet indicating

time, oil temperature and insulation resistance.

3.2.15.5 After complete drying out of the transformer, oil sample shall be collected by the contractor and shall be

tested for di-electric strength as specified in IS 335:1993 with approved test kit.

3.2.15.6 All devices such as dial type thermometers, Buchholtz relays and main alarm and trip contacts shall be

checked for satisfactory operation.

3.2.15.7 All tests specified in 3.2.14 of these specifications shall be carried out by the contractor in the presence

of inspecting officer/consignee free of cost.

3.2.16 Maximum Allowable Power Transformer Losses

Power transformers of the proper ratings and design must be selected to satisfy the minimum acceptable

efficiency at 50% and full load rating. In addition, the transformer must be selected such that it minimizes the

total of its initial cost in addition to the present value of the cost of its total lost energy while serving its

estimated loads during its respective life span. Total losses for oil filled transformers should conform as per the

following table:

Maximum allowable losses for oil filled distribution transformer with highest voltage for equipment up to 11

kV, at 50% and 100% of the load as given below:-

3.2.17 Guaranteed Technical Data

Guaranteed technical particulars shall be supplied vide Schedule ‘C’ of Appendix III of CPWD Substation

manual.

H.V. PANEL

2.3.1 The Panel board shall be of indoor type, having the one incoming sectionalisation and two outgoing

switch gears as per IS 13118:1991 of VCB, IEC 62271-100 for Breakers and -200 for Panels/ IS 3427 of switch

board. The degree of enclosure protection shall be IP-4X. These shall be branded and/or assembled/ fabricated

from a factory of repute and CPRI certified.

Detailed requirements shall be in accordance with the schedule of works at Appendix II on CPWD substation

works manual.

2.3.2 Rating

All panels assembled to form a board shall be suitable for the nominal operation voltage and rupturing capacity

as specified. They should be rated as specified with a minimum of 400 Amps. And suitable for operation on 11

KV, 3 phase 50 Hz system. Type test certificate for the breaking capacity of the panel shall be supplied.

2.3.3 Type

The HV Panel Board shall be metal clad, indoor, floor mounting, free standing type. It shall be totally

enclosed dust, damp and vermin proof.

2.3.4 General Construction

Separately earthed compartments shall be provided for circuit breakers, bus bars, relay & instruments, CT&PT

and cable boxes, fully and effectively segregating these from one another so that fault in any one compartment

do not cause damage to equipment(s) in other compartment(s).

The housing shall be of bolted construction to ensure compact and rigid structure, presenting a neat and pleasing

appearance. The sheet steel used should not be less than 2 mm thick. The panels shall be bolted together to form

a continuous flush front switch gear suitable for front operation of board and for extension at both ends.

2.3.5 General Design Aspects

The HV panel board shall be designed such that the switchgear, instruments, relays, bus bars, small wiring etc.

are arranged and mounted with due consideration for the following:-

(i) Facility for inspection, maintenance and repairs of testing terminals and terminal boards for ease of external

connection.

(ii) Minimum noise and vibrations.

- Risk of accidental short circuits and open circuits.

- Secured and vibration proof connections for power and control circuits.

(iii) Risk of accidental contact and danger to personnel due to live connections.

(iv) Mountings at approachable height.

2.4 CIRCUIT BREAKER

2.4.1 General Arrangements

The circuit breaker panels shall be complete with the following:

(a) Racking in / racking out mechanism.

(b) Isolating plugs and sockets.

(c) Mechanical inter-locks and safety shutters.

(d) Mechanical ON/OFF indicator.

(e) Minimum of 6 NO and 6 NC Auxiliary contacts directly operated by the circuit breaker. Additional NO &

NC contacts can be provided with auxiliary contractors.

(f) Anti condensation space heaters suitable for operation on 240V, 1φ 50 Hz A.C.for each panel.

(g) Suitable tripping arrangement.

(h) Mechanical counters to assess the total number of operations of the breaker.

2.4.2 Type

The circuit breaker shall be of horizontal/ vertical isolation, horizontal draw out pattern.

2.4.3 Breaker Truck

The breaker carriage shall be fabricated from steel, providing a sturdy vehicle for the circuit breaker and its

operating and tripping mechanism. The carriage shall be mounted on wheels, moving on guides, designed to

align correctly and allow easy movement of the circuit breaker and for removing the carriage for inspection and

maintenance purposes. Vacuum interrupters shall be hermetically sealed and shall be designed for minimum

contact erosion, fast recovery of dielectric strength, maintenance free vacuum interrupter, suitable for auto-

reclosing. The drive mechanism shall preferably be provided with facility for pad locking at any position

namely, “Service”, “Test” and “Fully Isolated”. It should be possible for testing the circuit breaker for its

operation without energizing the power circuit in the “Testing” position. The contacts shall be made only after

the breaker is inserted into service position. Interlocking should prevent contacts from being disconnected if

circuit breaker is tried to be moved from service position.

2.4.4 General Features

Single break contacts are provided in sealed vacuum interrupter.

2.4.5 Rating

The circuit breakers shall be continuously rated as specified with a minimum rated current of 400 Amps. with

voltage rating and breaking capacity as specified. For the purpose of designing, following technical parameters shall be considered:

1 Nominal voltage 11 KV

2 Rated Voltage 12 KV

3 Phase 3

4 Frequency 50 Hz

5 Rated Current 400 A

6 Rated Short Circuit Level 12.5 K.A. Symmetrical for 3 seconds.

7 Rated Breaking Current 12.5 K.A. Symmetrical

8 Rated Short Circuit Making Current 31.87 KA

9 Insulation Level:

(a) Power Frequency Withstand and Voltage 28 KV rms for 1 minute.

(b) Impulse Withstand Voltage 75 KV at 1.2 x 50 micro second wave crests.

10 System Earthing H.T. System is effectively earthed.

2.4.6 Operating Mechanism

The operating mechanism shall be one of the following as specified:-

Manually operated spring charged and motor wound spring charged with both mechanical and electrical release

for closing. The operating mechanism shall be trip free.

2.4.7 External auxiliary supply shall be made available for charging motors & heaters operation.

2.5 BUS BAR SECTION

2.5.1 General Requirement

The switch board shall be single bus bar pattern with air insulated encapsulated bus bars housed in a separate

compartment, segregated from other compartments.

Material

The bus bars shall be of high conductivity electrolytic copper rated as specified with a minimum rated current

of 400 Amps. The bus bars shall be sized for carrying the rated and short circuit current without over-heating.

Maximum bus bar temperature shall not exceed 95 degree C.

2.6 CURRENT TRANSFORMER

2.6.1 General Requirements

Accommodation shall be provided in the circuit breaker panel to mount one set of three numbers dual core dual

ratio CTs for both incoming and outgoing, metering and protection purposes. Access to the CTs for cleaning,

testing or changing shall be from the front, back or top of the panel.

2.6.2 Rating

Dual core & dual ratio CTs of suitable burden (but not less than 15 VA) shall be preferred for both incoming and

outgoing with 5 Amps secondary. The ratio shall normally be one of the following as specified:

For incoming 50/50/5/5, For outgoing 25/25/5/5

Note: CT ratio shall be compatible with the loading pattern on HV side.

The CTs shall conform to relevant Indian Standards. The design and construction shall be robust to withstand

thermal and dynamic stresses during short circuits. Secondary terminals of CTs shall be brought out suitably to a

terminal block which will be easily accessible for testing and terminal connections. The protection CTs shall be

of accuracy class 5 P 10 of IS 2705- Part III-1992.

The metering CTs shall conform to the metering ratio and accuracy class 0.5 of IS 2705-1992 for incomer and

class 0.5 for outgoing panels.

2.7 VOLTAGE TRANSFORMER

2.7.1 General Requirements

A voltage transformer of burden not less than 100 VA and of 11 KV/110 Volt shall be provided at the incoming

panel. The accuracy class for the VT shall be class 0.5 as per IS 3156 Parts I to III for incomer and class 0.5 for

outgoing panels. The transformer shall be of cast epoxy resin construction. It shall be withdraw able type. MCBs

shall be provided on both HV and LV sides.

2.8 PROTECTION AND TRIPPING ARRANGEMENT

2.8.1 Protection

The Relays shall be microprocessor based numerical relays with O/L, E/F and S/C protection Tripping relay

shall be used for tripping signal to the Shunt Trip Coil of Circuit Breaker operating on 24 V/ 30 V D C supply /

Power pack / 110 V VT supply.

Note: - 24V/ 30V DC shall be provided through 2 No. SMF batteries of 12/ 15 volts of minimum 26AH

capacity with a battery charger as per recommendation of the manufacturer both for protection as well as

indications.

Alternatively Power Pack converters fed through PT/ 230V externally could be provided with 2 Nos., 12/ 15

volt, 7 AH SMF batteries (Power pack with condenser/ capacitor backup are also available which do not need

batteries, these should not be used) for tripping. In cases where tripping is fed through PT, VA burden of PT

shall be suitably increased (say 200 VA) as recommended by the manufacturer depending upon the number of

panels and connected controls. In addition external 24 volt / 30 volt DC supply shall be provided for indications

etc. through 2 No. SMF batteries of 12/ 15 volts of minimum 26 AH capacity with a battery charger as per

recommendation of the manufacturer.

2.8.2 Relays

Over current Relays shall have adjustable setting for current from 50% to 200% and earth fault from 10% to

40% or 20% to 80%. These should be of manual reset type. All relays shall have a LED indicator which will

indicate operation for each function. It shall be possible to reset it only by manual operation. The number and

types of relays shall be as specified.

Trip circuit supervision relay and master trip relay, Earth Fault Relay is needed for both incoming and

outgoing panels. Auxiliary relay is needed for outgoing panels. Minimum 6 window annunciator is shall be

provided both incomer and outgoing. Incoming feeder shall have Over current and short circuit protection

Element (type CDG-61) and outgoing feeder shall have Over current and short circuit protection type

(CDG-31).

2.9 SMALL WIRING

The small wiring shall be carried out with minimum1.5 sq. mm FRLS/ HFFR insulated copper conductor

cables. CT wiring shall be done with minimum 2.5 sq mm wires with colour code: RYB, Gray for auxiliary DC

circuits and Black for auxiliary AC circuits. The wiring shall be securely fi xed and neatly arranged to enable

easy tracing of wires. Identification tags shall be fitted to all wire terminals to render identification easy and to

facilitate checking in accordance with IS 375. Necessary terminal blocks and cable entries shall be provided for

RTD relay wiring, power supply etc.

2.10 METERING INSTRUMENT, PANEL ACCESSORIES (DIGITAL)

2.10.1 Metering

Energy metering shall be done on the outgoing feeders.

Multifunction Meter shall be provided to the feeder which is connected to transformer i.e. outgoing feeder.

2.10.2 Voltage Selection Scheme

Where a bus coupler is incorporated and only one incomer feeder (out of two available) is intended to be

operated at a time, a VT Transfer Relay shall be incorporated to provide necessary potential for metering. This

will be necessary when energy metering is done on individual feeders or where VT supply is used for trip

circuits. Alternatively PTs shall be provided on both the bus sections (incomers) with individual metering on

each incomer.

2.10.3 Instrument Panels

The instrument panel shall form part of the housing. Relays, meters and instruments shall be mounted as per

general arrangement drawings to be submitted by the tenderer. They shall be preferably of flush mounting type

at a maximum height of 1800 mm.

2.10.4 Instrumentation

(a) A voltmeter of class 0.5 accuracy as per IS 1248 shall be provided at each incomer panel, with selector

switch. The instrument shall be calibrated for the ranges specified.

(b) Energy meters of class 0.5 conforming to IS 722 (Part IX) shall be provided to the feeder which is connected

to Transformer i.e. outgoing and power factor meter of class of accuracy of 0.5 shall be provided to incoming.

(c) Ammeter of specified range of class 0.5 accuracy as per IS 1248 shall be provided at both incomer and

outgoing panels along with necessary selector switches.

(d) The panel assembly shall also take care of the following requirements:

(i) Lamp indication shall be provided to indicate ON/ OFF (by red green respectively) of switch gear.

(ii) Panel illuminating lamp.

(iii) Mechanical indication for spring charged status. If possible an indicating lamp could be provided.

(iv) Lamp indicating tripping at fault status.

(v) Healthy trip supply shall be indicated by clear lamp.

(vi) Separate fuses/ MCBs shall be provided for lamps, heaters, voltmeters and other

instrumentation etc. on each panel.

(vii) Anti-condensation space heaters shall be provided, and shall be suitable for operation on 240 V,

1 phase, 50 Hz A.C. for each panel if specified.

(viii) Where there is more than one incomer and bus sections, these shall be castle key interlocked

as per interlocking scheme as specified.

(ix) Multifunction Meter required at the feeder which is connected to transformer i.e. outgoing feeder.

(X) Trip circuit supervision relay and master trip relay is needed for both incoming and outgoing panels.

(XI) Minimum 6 window annanciator is shall be provided to both incomer and outgoing.

(XII) Hooter and Buzzer shall be provided at each incoming and outgoing panel.

(XIII) Closing time < 100 milli Sec

(XIV) Breaking time < 80 milli Sec

(XV) Instantaneous earth fault relay is needed.

(XVI) Incoming feeder shall have over current and short circuit protection Element (type CDG-61).

(XVII) Outgoing feeder shall have over current and short circuit protection type (CDG-31).

(XVII) Auxiliary Relay needed for outgoing Panels.

2.11 CABLE BOXES

Cable boxes shall be situated in a compartment at the rear of the housing.

2.12 CABLE ENTRY

Bottom side entry shall be made as per requirement with sufficient head room for cable (up to 185 Sq MM for

incoming and 120 Sq MM X2 Nos for outgoing) termination. 3 mm thick removable gland plate shall be

provided for cable termination.

2.13 EARTHING

The earthing of the breaker body and moving portion shall be so arranged that the earthing of the non-current

carrying structure to the frame earth bar is completed well before the main circuit breaker plugs enter the fixed

house sockets. The entire panel board shall have a common tinned copper earth bar of suitable section with 2

earth terminals for effectively earthing metallic portion of the panels. The frame earthing of panel shall be in

accordance with CPWD specifications.

2.14 PROVISION FOR FUTURE REMOTE ARRANGEMENT:

Necessary provision shall be made for Future Remote status/indication facility by way of wiring from 1 no. N/O

and 1 no. N/C potential free contacts of auxiliary switches upto multi core cable end box.

2.15 INSTALLATION

The installation work shall cover assembly of panels lining up, grouting the units etc. In the case of multi panels

switch boards after connecting up the bus bar all joint shall be insulated with HV insulation tape or with

approved insulation compound. A common earth bar shall be run preferably at the back of the switch board

connecting all the sections for connecting the earth system. All protection, indications & metering connections

and wirings shall be completed. Where trip supply battery is installed the unit shall be commissioned,

completing initial charging of the batteries. All relay instruments and meters shall be mounted and connected

with appropriate wiring. Calibration checks of units as necessary and required by the licensee like CTs, VTs

Energy Meters etc. shall be completed before pre-commission checks are undertaken.

2.16 TESTING AND COMMISSIONING

Procedure for testing and commissioning of relay shall be in general accordance with good practice.

Commissioning checks and tests shall include in addition to checking of all small wiring connections, relays

calibration and setting tests by secondary injection method and primary injection method. Primary injection test

will be preferred for operation of relay through CTs. Before panel board is commissioned, provision of the

safety namely fire extinguishers, rubber mats and danger board shall be ensured. In addition all routine megger

tests shall be performed. Checks and test shall include following:

(a) Operation checks and lubrication of all moving parts.

(b) Interlock function checks.

(c) Continuity checks of wiring, fuses etc. as required.

(d) Insulation tests.

(e) Trip test and protection gear tests.

(f) The complete panel shall be tested with 5000 V megger for insulation between poles and poles to earth.

Insulation test of secondary of CTs and VT to earth shall be conducted using 500 V megger.

(g) Any other tests as may be required by the Licensee / Inspector shall be conducted.

(h) Where specified, the entire switch board shall withstand high voltage test after

M.V. PANELS

4.1 SCOPE

This Section covers the detailed requirements of medium voltage switch panel for 433 V,3 phase 50 Hz 4 wire

system. These shall be branded and/or assembled/ fabricated from a factory of repute and CPRI certified. All

switchgears shall be fully rated at an ambient of 40°C.

4.2 TYPE OF PANEL

The medium voltage switch board panel shall comprise of any one of the following types of switchgears or

combination thereof as specified.

(a) Air Circuit breakers draw out type.

(b) MCCBs (Microprocessor based with over current short circuit and earth fault released) based of suitable

Icu=Ics=100% ratings. MCCBs shall invariably be Current Limiting type. Features like Double Break, Positive

Isolation functions shall be preferred. The Panel shall be indoor type having incoming sectionalization and

outgoing switchgears as specified. The design shall be cubical type. The degree of enclosure protection shall be

IP 42 as per IS 13947 (Part-I).

4.3 M.V PANEL

4.3.1 General Construction: The switchboard shall be floor mounted free standing totally enclosed and

extensible type. The switch board shall be dust & vermin proof and shall be suitable for 98% humid conditions,

5-45 degree Centigrade. The design shall include all provisions for safety of operation and maintenance

personnel. The general construction shall conform to IS 8623:1993 for factory assembled switch board.

4.3.2 Cubical Type Panels:

4.3.2.1 Cubical type panels shall be fabricated out of sheet steel not less than 2.0 mm thick. Wherever necessary,

such sheet steel members shall be stiffened by angle iron frame work. General construction shall employ the

principle of compartmentalization and segregation for each circuit. Incomer and bus section panels or sections

shall be separate and independent and shall not be mixed with sections required for feeders. Each section of the

rear accessible type panel shall have hinged access doors at the rear. Overall height of the panel shall not exceed

2.4 meters. Operating levers, handle etc. of highest unit shall not be higher than 1.7 meters. Multi-tier mounting

of feeder is permissible. The general arrangement for multi-tier construction shall be such that the horizontal

tiers formed present a pleasing and aesthetic look. The general arrangement shall be approved before fabrication.

Cable entries for various feeders shall be bottom. Through cable alleys located in between two circuit sections,

either in the rear or in the front of the panel. All cable terminations shall be through gland plates. There shall be

separate gland plate for each cable entry so that there will not be dislocation of already wired circuits when new

feeders are added. Cable entry plates shall therefore be sectionalized.

The construction shall include necessary cable supports for clamping the cable in the cable alley or rear cable

chamber. Cubicle panels with more than 1000 Amps bus shall be made of tested structural modular sections.

4.3.2.2 Bus Bar and Connections:

The bus bars shall be of Copper of high conductivity electrolytic quality and of adequate section. Current density

for copper shall not exceed 160 amps/sq. cm. The bus bar system may comprise of a system of main horizontal

bus bars and ancillary vertical bus bars run in bus bar alleys on either side of which the circuit could be arranged

with front access cable entries. In the case of rear access, horizontal bus system shall run suitably either at the

top or bottom. All connections to individual circuits from the bus bar shall preferably be solid connections;

however flexible connections shall also be permitted as per recommendations of the Panel Manufacturer. All bus

bars and connections shall be suitably sleeved / insulated in approved manner. 400 amps copper bus needed.

4.3.2.3 Incomer / Termination

Incomer termination shall be suitable for receiving underground cables up to 300 Sq mm. Cable terminations

shall invariably be through terminal blocks (Polyamide or superior).

4.3.2.4 Instruments:

All voltmeters and ammeters or other meters shall be flush mounted of size minimum 96 mm conforming to

class 1.5 of IS 1248 for accuracy. All voltmeters shall be protected with MCB.

4.3.2.5 Indicating Lamps

On all the incomers and outgoings of M.V panels, ON/OFF/TRIP indicating LED lamps shall be provided and

shall be suitable for operation on AC supply. Phase indicating LED lamps shall be associated with necessary

ON/OFF toggle switch.

4.3.2.6 Small Wiring:

All small wiring for Controls, Indication etc. shall be with suitable FRLS/ HFFR (halogen free fire retardant)

copper conductor cables. Wiring shall be suitably protected within switch board. Runs of wires shall be neatly

bunched, suitably supported and clamped. Means shall be provided for easy identifications of the wires. Where

wires are drawn through steel conduits, the works shall conform to CPWD General Specifications for Electrical

Works (Part I- Internal), 2013 and IS 732 as the case may be. Identification ferrules shall be used at both ends of

the wires. All control wiring meant for external connections are to be brought out of terminal board.

OPERATIONAL REQUIREMENTS

The indoor type MV panel shall conform to the following: -

(a) The panel shall comprise of incomers, outgoing feeders and bus coupler as specified. The incomers shall be

Air Circuit Breaker 400 Amps microprocessor based, 4 POLE 50Hz with 50 KA rated short circuit current with

O/C, Instantaneous and E/F Relay. The bus coupler shall be Air circuit breaker 400 Amps, Thermal Magnetic

Based released, TPN 50 Hz with 50 KA. ON, OFF, Trip, Trip circuit healthy check indications are mandatory

for both bus coupler and incomers. The outgoing feeders shall be circuit breakers / MCCBs as specified.

(b) Bus bars for phase and neutral shall have a rating of 400Amps with TPN copper buss with heat shrinkable

colour sleeves and I/c DMC/SMC bus bar cross section, size support and their spacing etc. for withstanding

fault level of 31 MVA for 1 sec.

(c) The entire switch panel shall be cubical type generally conforming to IS 8623:1993 for factory assembled

switch board.

(d) The incomer panel shall be suitable for receiving MV cable of 300 SQ mm. from bottom.

(e) All incoming AIR CIRCUIT BREAKER shall have suitable adjustable tripping current and the time delay

settings.

(f) For all Changeover switches (2 Nos), one side incomer terminal should be connected to Bus bar as specified

in SLD and other side incomer terminal shall be suitable to receiving underground cable up to 185 Sq mm

which is coming from 140 KVA and up to 120 Sq mm which is coming from 30 KVA DG set respectively.

Necessary arrangement shall be done for this.

(g) The entire panel shall have a common earth bar of size 25 X 6 with two terminals for earth connections.

4.5 RATING AND REQUIREMENTS:

4.5.1 Air Circuit Breaker:

Incomer Air Circuit Breakers shall be 4 pole with minimum 50 KA breaking capacity (35 MVA at 433V)

conforming to IS 13947 (Part-II). Rated current shall be as per capacities specified. The equipment shall be

complete with the following: -

(a) Necessary circuit breaker carriage with 3 position (isolate, test, service) draw-out mechanism.

(b) Necessary isolating plugs and sockets.

(c) Necessary mechanism interlocks both electrical and mechanical and automatic safe shutters gear with

arrangement for pad locking.

(d) Necessary independent manual spring mechanism with mechanical On/Off indication as well as electrical

On/Off/trip, Trip Circuit Healthy Check indication.

(e) Necessary bus bars with bolted type neutral links.

(f) ACB for incomer shall be provided with microprocessor based releases having built in over load, short

circuit & earth fault. Microprocessor release certified.

(g) Necessary set of auxiliary switches.

(h) Necessary set of CTs with ratios 400/5.

(i) Necessary identification, metering requirements

For incomer (2 Nos), Indication: R-Y-B phase indication, on, off, Trip indication, trip circuit healthy check

indication.

Metering: ammeter, voltmeter, Multi function Meter, Power Factor meter along with selector switche, Local

remote, fuses etc.

For bus Coupler (1 Nos):

Indication: R-Y-B, On, off, trip, trip circuit healthy check.

(j) 4 pole breaker neutral shall be fully rated with adjustable settings from 50% to 100% of In

(k) ACB terminals shall be suitable/ suitably brought out for direct aluminum termination as per IS 13947 Part-

II.

4.5.2 Switch Disconnector Fuse Units (modular type) / MCCB

4.5.2.1 Switch Disconnector Fuse Units

All SDF units for feeders or outgoing circuits shall be suitable for a Breaking capacity of 80 KA (57 MVA

433V) capacity at 433V 3 phase 50 Hz AC system conforming to IS 4064. The number of units and rated

current shall be as per detailed requirements specified. Switch Disconnector Fuse unit shall be double break

front operated type. The units shall be complete with following: -

(a) Necessary HRC cartridge fuses conforming to IS 9224 (Part-II).

(b) Necessary operating mechanism quick break make type.

(c) Necessary set of CTs together with an ammeter and selector switch as specified.

(d) Necessary interconnections to bus bars.

(e) Necessary neutral link inside the SDF unit.

(f) All SDF units shall be AC23A utilization category.

4.5.2.2 MCCB

All MCCBs shall be current limiting type with features of load line reversibility and suitable for Horizontal/

Vertical mounting without any derating. Beyond 300 Amps capacity MCCBs shall have positive isolation and

preferably double break / contact repulsion & double insulation features.

The MCCBs shall invariably be used with terminal spreaders and with indication “ON”, “OFF”, “TRIP”

Details of Incoming and outgoing feeder details, 2 Nos Incomer: ACB 400 Amps, 50Hz, 4 Pole microprocessor based released.

1 Nos Bus Coupler: ACB 400 Amps, 50 Hz, TPN, thermal based released.

N.B. – interlocking arrangement (electrical as well as mechanical) must be provided for the two incomers

namely incomer – 1 and incomer – 2 and bus coupler. Condition: any two in operation mode and other off mode

Outgoing:

7. 250 amps MCCB, 36KA, 4P with S/C, O/L protection with microprocessor based releases and extended

rotary handle, spreader terminal – (1 Nos. to Hospital + 1 Nos Spare)

8. 200 amps changeover switch and extended rotary handle, spreader terminal – 1 Nos.

9. 200 amps Fuse Switch Unit and extended rotary handle, HRC fuse with spreader terminal. – 1 nos DG

set.

10. 125 amps MCCB, 36KA, 4P with S/C, O/L protection with microprocessor based releases and extended

rotary handle, spreader terminal with Energy meter and multifunction meter – 3 Nos. to Staff Qtr + 1

Nos spare.

11. 63 amps Fuse Switch Unit and extended rotary handle, HRC fuse with spreader terminal. – 1 nos to 30

KVA DG set.

12. 63 amps MCCB, 36KA, 4P with S/C, O/L, and protection with TMD based releases and extended rotary

handle, spreader terminal – 2 Nos.

13. 63 amps changeover switch with extended rotary handle, spreader terminal – 1 Nos.

14. 32 amps 4 pole MCB C curve on din rail – 2 Nos.

4.6 TEST AT MANUFACTURERS WORK:

All routine tests shall be carried out and test certificates produced to the department.

4.7 INSTALLATION

The installation work shall cover assembly of various sections of the panels lining up, grouting the units etc. In

the case of multiple panel switch boards after connecting up the bus bars etc., all joints shall be insulated with

necessary insulation tape or approved insulation compound. A common earth bar as per section 7 of these

specifications shall be run inside at the back of switch panel connecting all the sections for connection to frame

earth system. All protection and other small wirings for indication etc. shall be completed before calibration and

commissioning checks are commenced. All relays, meters etc. shall be mounted and connected with appropriate

wiring.

TESTING AND COMMISSIONING

Commissioning checks and tests shall include all wiring checks and checking up of connections. Relay

adjustment/setting shall be done before commissioning in addition to routine Megger tests. Checks and tests

shall include the following: -

(a) Operation checks and lubrication of all moving parts.

(b) Interlock function checks.

(c) Continuity checks of wiring, fuses etc. as required.

(d) Insulation test: When measured with 500 V Megger the insulation resistance shall not be less than 100 mega

ohms.

(e) Trip tests and protection gear test.

CABLE WORKS

SCOPE

This section covers supply, laying and jointing as required and testing and energizing all cable work.

SPECIFICATION OF CABLE

11 KV or 6.6KV grade XLPE insulated PVC sheathed armoured Aluminum cable shall be 3 core earthed of

sizes as specified. The cable shall conform to IS 1554, Part II

1.1 KV grade XLPE insulated PVC sheathed armoured Aluminum cable shall be 3 ½ /4 core of sizes as

specified. The cable shall conform to IS 1554, Part I.

All control wires shall be 650 V grade copper conductor Halogen free fire retardant or FRLS PVC insulated,

conforming to IS 1554-Part I. The minimum size of the control wires shall be 1.5 sq. mm.

INSTALLATION

Cable shall be laid in ground, trenches and on walls as specified. Installation shall include all supports and

clamps as required. The complete work shall be in accordance to CPWD General Specifications for Electrical

Works - Part II (External) 1994 amended upto date. As far as possible cables shall not be fixed on walls directly

but laid on cable trays.

JOINTING FOR 11 KV GRADE CABLE GLANDS

Jointing work shall be carried out only by licensed experienced cable jointer and shall be in accordance to

CPWD General Specifications for Electrical Works - Part II (External) 1994 amended upto date.

EARTHING FOR 11 KV GRADE CABLE GLANDS

All HV cable glands shall be connected to the earth with 2 Nos. 38.6 mm copper or equivalent G.I.

conductors.

Selection shall be made as per tables given under Table V of CPWD General Specifications for Electrical

Works Part-II (External) - 1994 amended upto date.

TESTING

Testing of the complete cable installation shall be as per clause 2.8.2 and 2.8.3 of CPWD General

Specifications for Electrical Works - Part II (External) 1994 amended upto date.

POWER DISTRIBUTION SYSTEM LOSSES

The power cabling shall be adequately sized as to maintain the distribution losses not to exceed 1% of the total

power usage. Record of design calculation for the losses shall be maintained.

The cables be designed as per the voltage drop regulations at peak load, and the losses be

calculated on the basis of the assessed load during the day, week and year and should not be

limited to the peak load.

Annexure: - VII

Special Terms and Condition Subject:- SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11 KV 250KVA TRANSFORMER,

HV PANEL WITH VCB AND LT PANEL WITH ALLIED EQUIPMENTS AND ACCESSORIES AT ESI HOSPITAL

KALYANI, WEST BENGAL.

1. Agency should take all necessary measures to arrange temporary electricity

supply to the hospital so that the normal activities of the hospital are not

hampered during execution of work.

2. All the rates should be inclusive of all taxes, GST, carrying charges or other

charges. No separate charges shall be quoted.

3. “Installation, testing and commissioning” component should include the cost

of necessary civil work such as foundation base arrangement, cutting the

concrete for making trench having 1.5 feet width and 2 feet depth and approx

30 feet long and making the good damages.

4. If it is necessary, to obtain electrical clearance / permission from statutory

body then same should be arranged by the Agency and copy of the approval

should be submitted to this office with original copy.

5. Agency should carry out the work as per specification; make list, as well as

direction of concerned Engineers of ESIC or ESIS.

6. All the works should be carried out according to the latest guideline spelt out

in CPWD specification or Indian Standard Specification or Local statutory

Bodies as deemed fit.

7. Agency should provide their Email ID and at least one Mobile Phone Number

in Annexure – IV to make any urgent communication or lodge complain from

ESIC or ESIS end.

8. It is requested that before quoting the bidder must visit the site.

9. If required, the bidder may contact the concerned person of ESIC or ESIS.

10. Bidder should quote according to the Make List provided at Annexure VIII

and they should clearly indicate the make quoted for at Annexure VIII.

11. The Agency have to be submit the Measurement Book as prescribed in the

Annexure –IX which need to be duly signed by Site Engineer or Hospital

Authority and Agency at that time of submission the final bill.

12. Schedule Quantity as in Annexure - VI may be vary as per site requirement at

that time to of execution of work.

Annexure – VIII Make List

Subject:- SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11 KV 250KVA TRANSFORMER,

HV PANEL WITH VCB AND LT PANEL WITH ALLIED EQUIPMENTS AND ACCESSORIES AT ESI HOSPITAL

KALYANI, WEST BENGAL.

Items Name of Manufecturer

VCB L&T or Siemens or Crompton Greaves or kirloskar or Schneider or ABB.

Relay L&T or Schneider or Alstom or ABB or Secure or Areva or Siemens or C&S or Crompton greaves.

Metering C&S or L&T or Schneider or Alstom or ABB or Secure or Areva or AE or Crompton Greaves.

CT Kappa or L&T or Crompton Greaves or Schneider or ABB or AE.

PT Schneider or ABB or Kappa or L&T or Crompton Greaves or AE.

SFU L&T or Siemens or Crompton Greaves or kirloskar or Schneider or ABB or Havells.

Annunciator C&S or L&T or Schneider or Alstom or ABB or Secure or Areva or Siemens or Minilec.

TNC or local remote or toggle

swith Recom or Keyee.

Battery Amarraja or Exide.

MCCB and MCB Havelles or Schneider or L&T or ABB or Siemens.

ACB Havelles or Schneider or L&T or ABB or Siemens.

Wire Finolex or havelles or Polycab.

End termination Dowles.

Transformer Kirlosker or Crompton or Volt amp or Esennar.

Cable LT and HT Havells or Polycab or RPG or KEI.

Indicating / Pilot Lamp Havelles or Scneider or Philips or Vaishno or orient.

Other items ISI

Annexure – IX Measurement Book for SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11 KV 250KVA

TRANSFORMER, HV PANEL WITH VCB AND LT PANEL WITH ALLIED EQUIPMENTS AND

ACCESSORIES AT ESI HOSPITAL KALYANI, WEST BENGAL.

BOM

No

Description of Items Unit Qty Price Length Amount Remarks

From To

Sub assistant engineer (Electrical) Junior Engineer (Electrical)

From Hospital From R.O ESIC

Verified by Assistant Engineer (Electrical)

From R.O ESIC

Certified by Executive Engineer (Electrical)

From R.O ESIC

Annexure – X Single Line Diagram for SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11 KV

250KVA TRANSFORMER, HV PANEL WITH VCB AND LT PANEL WITH ALLIED EQUIPMENTS AND

ACCESSORIES AT ESI HOSPITAL KALYANI, WEST BENGAL.

Annexure: - VI

BOM FO SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11 KV 250KVA TRANSFORMER,

HV PANEL WITH VCB AND LT PANEL WITH ALLIED EQUIPMENTS AND ACCESSORIES AT ESI

HOSPITAL KALYANI, WEST BENGAL.

SUPPLY, INSTALLATION, TESTING AND COMMISSIONING OF 11KV 250KVA TRANSFORMER, 400AMPS VCB AND LT PANEL WITH ALLIED EQUIPMENTS

AND ACCESSORIES AT ESI HOSPITAL KALYANI, WEST BENGAL

Description of Item Unit Quantity Rate Grand Total

1

Distribution TRANSFORMER - Supply of 250 KVA, in-door oil type, natural oil cooled, 11000/433 Volt no-load ratio step-down delta/star Distribution Transformer complete with fitting others as per specification, including mounting of loose accessories, including supply & grouting of bolts on pedestal fixing of transformer after leveling, fitting of all brought out component, making necessary connection etc. complete as required as per specification.

each 1

2 Supply of Vacuum Circuit Breakers 400 Amps 11 KV (H.T Breaker), 1 I/C+2 O/G as per specification. each 1

3 supply of 14 SWG CRC sheet LT panel as per specification. each 1

4 Suppy of 3 Core 120 Sq mm, HT, 11KV, XLPE,(UE) Al Armour cable.

Mtr 40

5

Laying of one No. cable above 35 sqmm and upto 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed and in case of road crossing / concrete path, the same to be laid through 3mm gauge and suitable dia GI pipe (Bell Mouth)inclusive of supply of all requisite materials, cable route marker etc.

Mtr 30

6 Laying only Cable above 50 sqmm but not exceeding 400sqmm through existing RCC/open masonary trench for single, 2, 3, 3½ and 4 core

Mtr 10

7 Suppy of 3.5 core, 300 Sq mm, AL armoured cable, XLPE, 1100V/650V,

Mtr 25

8

Laying of one No. cable above 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed and in case of road crossing / concrete path, the same to be laid through 3mm gauge and suitable dia GI pipe (Bell Mouth) inclusive of supply of all requisite materials, cable route marker etc.

Mtr 15

9 Laying only Cable above 50 sqmm but not exceeding 400sqmm through existing RCC/open masonary trench for single, 2, 3, 3½ and 4 core

Mtr 10

10 Suppy of 3.5 core, 185 Sq mm, AL armoured cable, XLPE, 1100V/650V,

Mtr 25

11

Laying of one No. cable above 35 sqmm and upto 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed and in case of road crossing / concrete path, the same to be laid through 3mm gauge and suitable dia GI pipe (Bell Mouth) inclusive of supply of all requisite materials, cable route marker etc.

Mtr 15

12 Laying only Cable above 50 sqmm but not exceeding 400sqmm through existing RCC/open masonary trench for single, 2, 3, 3½ and 4 core

Mtr 10

13 Suppy of 3.5 core, 95 Sq mm, AL armoured cable, XLPE, 1100V/650V,

Mtr 40

14

Laying of one No. cable above 35 sqmm and upto 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed and in case of road crossing / concrete path, the same to be laid through 3mm gauge and suitable dia GI pipe (Bell Mouth) inclusive of supply of all requisite materials, cable route marker etc.

Mtr 30

15 Laying only Cable above 50 sqmm but not exceeding 400sqmm through existing RCC/open masonary trench for single, 2, 3, 3½ and 4 core

Mtr 10

16 Suppy of 3.5 core, 70 Sq mm, AL armoured cable, XLPE, 1100V/650V,

Mtr 40

17

Laying of one No. cable above 35 sqmm and upto 185 sqmm in underground trench 460mm wide x 760mm average depth, with brick protection on the top of the cable with 8 (eight) Nos. bricks per Mtr. including filling the space between the bricks and cable and also the trenchwith shifted soil, leveling up and restoring surface duly rammed and in case of road crossing / concrete path, the same to be laid through 3mm gauge and suitable dia GI pipe (Bell Mouth)inclusive of supply of all requisite materials, cable route marker etc.

Mtr 30

18 Laying only Cable above 50 sqmm but not exceeding 400sqmm through existing RCC/open masonary trench for single, 2, 3, 3½ and 4 core

Mtr 10

19

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below (Dowells make) 3.5 core 300 mm for LT

each 4

20

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below (Dowells make) 3.5 core 185 mm for LT

each 4

21

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below (Dowells make) 3.5 core 95 mm for LT

each 4

22

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below (Dowells make) 3.5 core 70 mm for LT

each 4

23

Supplying and fixing compression type gland complete with brass gland, brass ring & rubber ring for dust & moisture-proof entry of XLPE/PVC armoured cables as below (Dowells make) 3 core 120 sq mm for HT

each 4

24

Finishing of the XLPE/PVC insulated armoured cable ends by soldering with cable sockets and insulated tapes etc., including supplying sockets, soldering materials, tapes etc. and making connection to switch, BDB and BBC etc.(Dowells make) 3.5 core 300 mm for LT

each 3

25

Finishing of the XLPE/PVC insulated armoured cable ends by soldering with cable sockets and insulated tapes etc., including supplying sockets, soldering materials, tapes etc. and making connection to switch, BDB and BBC etc.(Dowells make) 3.5 core 185 mm for LT

each 3

26

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials (Dowells make) 3½ core 300 sqmm cable for LT

each 6

27

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials (Dowells make) 3½ core 185 sqmm cable for LT

each 6

28

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials (Dowells make) 3½ core 95 sqmm cable for LT

each 6

29

Finishing the end of following XLPE/PVC armoured cables by crimping method incl. supplying and fixing solderless socket (Dowels make), tapes, anticorrosive paste & jointing materials (Dowells make) 3½ core 70 sqmm cable for LT

each 6

30

Supplying and making indoor Armoured cable end jointing with cast resin compound, including lugs and other jointing materials, for following size of 3 core, XLPE, armoured aluminium conductor cable of 11 kV grade as required. (Dowells make) 120 sq. mm for HT

each 3

31

Supplying and making straight through joint with heat shrinkable kit including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE, armoured aluminium conductor cable of 1.1 kV grade as required. (Dowells make) 3½ X 300 sq. mm

each 3

32

Supplying and making straight through joint with heat shrinkable kit including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE, armoured aluminium conductor cable of 1.1 kV grade as required. (Dowells make) 3½ X 185 sq. mm

each 3

33

Supplying and making straight through joint with heat shrinkable kit including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE, armoured aluminium conductor cable of 1.1 kV grade as required. (Dowells make) 3½ X 95 sq. mm

each 3

34

Supplying and making straight through joint with heat shrinkable kit including ferrules and other jointing materials for following size of PVC insulated and PVC sheathed / XLPE, armoured aluminium conductor cable of 1.1 kV grade as required. (Dowells make) 3½ X 70 sq. mm

each 3

35

Supplying and making straight through cable jointing with heat shrinkable jointing kit complete with all accessories including ferrules suitable for following size of 3 core, XLPE, armoured aluminium conductor cable of 11 kV grade as required (Dowells make) 120 sq mm

each 3

36

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 meter long etc. with charcoal/ coke and salt as required.

each 6

37 Excavation of soft soil for installation of Earth Electrode and filling & ramming.

each 25

38

Earthing with 65 mm dia GI pipe (TATA-Medium)x 3.0 Mts. long and 1 x 19/10 stranded GI (Hot Dip) wire (4 Mts. long), 20 mm dia x 125 mm long galvanized bolt, double nuts, double washers including socketing at both ends of stranded GI (Hot Dip) wire by crimping sockets/ thimbles and S & F 40 mm dia GI pipe (ISI-Medium) protection (3 Mts. long) to be filled with bitumen partly under the ground level and partly above ground level to an average depth of 3.65 Mts

each 10

39

Extra for providing masonery enclosure on the top of the earth electrode of overall size 86.36 cm x 86.36 cm x 46 cm deep (below Ground level) complete with cemented brick work(1:6) of 25 cm width duly plastered with cement morter (inside) CI hinged inspection cover of size 36.56 cm x 35.56 cm with locking arrangement, GI reducer including drilling of 46 nos. 12 mm dia holes on the GI pipe

each 16

40 Extra for treatment of soil by using salt & charcoal or coke for plate electrode

each 16

41

Jointing copper / G.I. tape (with another copper/ G I tape, base of the finial or any other metallic object) by riveting / nut bolting/sweating and soldering etc. as required.

each 40

42

Supplying and laying 25 mm X 5 mm copper strip at 0.50 meter below ground as strip earth electrode, including connection/ terminating with nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of brass nut bolt & spring washer spaced at 50 mm)

Mtr 100

43

Supplying and laying 25 mm X 5 mm G.I strip at 0.50 meter below ground as strip earth electrode, including connection/ terminating with G.I. nut, bolt, spring, washer etc. as required. (Jointing shall be done by overlapping and with 2 sets of G.I. Nut bolt & spring washer spaced at 50 mm)

Mtr 100

44 Providing and fixing earth bus of 50 mm X 5 mm copper strip on surface for connections etc. as required. Mtr 20

45

Installation, Testing & Commissioning of HT Equipment Like VCB, Transformer etc and LT equipment like LT panel etc. including making trench having width of 1.5 feet and depth of 2 feet and approx 30 feet long and making good the damages with allied works and all other charges.

JOB 1

46 Dismentaling of Existing Oil Circuit Breaker as well as other electrical items

JOB 1

47 Supply of LED Tube light set 20 watt each 20

48 Supply of heavy duty exhaust fan (1400 RPM) 18 inch each 9

49

Fixing only exhaust fan after making hole in wall and making good damages and smooth cement finish etc. as practicable as possible and providing necy. length of PVC insulated wire and making connection for exhaust of following diameter: 18 inch deavy duty exhaust fan

each 9

50 Supply & Fixing louver shutter on wall with necy. bolts & nuts (6 mm dia x 62 mm long) for exhaust fan18 inch deavy duty exhaust fan

each 9

51 supply and fixing of 11 KV grade Power mat 2MtrX1Mtr Nos 2

52 11 KV grade Hand glove Nos 2

53 Shock treatment chart each 2

54 Fire bucket with sand each 6

55 Fire extinguisher CO2 each 8

56 SLD colour printout with lamination in A1 paper each 5