Rate contract for Maintenance of Electrical installations of various Schools and Anganvadis in North-West Zone and South-West Zone of AMC. (Within the limit of Amount Rs.10.00 lacs)

Volume-I- TECHNICAL BID

Part-I :-General Specifications

PART-II :-Technical Specifications

1 Tender documents available On web site tender.nprocure.com

2 Last Date & Time of submitting the 21.04.2026 up to 6.00 p.m only on website

filled up tender online tender.nprocure.com

Last Date- Time and Place of up to 22.04.2026 4.00 p.m only At the Office of

3 submission of Volume-I (Technical Bid Tender Officer, Central Record Office, Mezzanine

only) of Tender in Physical form Floor, Block-B, Sardar Patel Bhavan, Danapith,

Ahmedabad-380 001,Gujarat,India

22.04.2026 at 4:05 p.m. onwards

Online Opening:-At the Office of Addl.Chief

Tender Vol-I (Technical Bid only) Engineer (Electrical), Light Department,5 th Floor

4 Opening Date-Time and Place “C”-Block, Sardar Patel Bhavan, Danapith

Ahmedabad-380 001, Gujarat, India. Physical

Opening :-At the Office of Tender Officer, Central

Record Office, Mezzanine Floor, Block-B, Sardar

Patel Bhavan, Danapith, Ahmedabad-380

001,Gujarat,India or at the above said office

AHMEDBAD MUNICIPAL CORPORATION

ELECTRICAL DEPARTMENT

BRIEF TENDER NOTICE FOR WORK, TENDER FEE AND EARNEST MONEY

S.N. WORK DESCRIPTION TENDER FEE E.M.D.

Rate contract for Maintenance of Electrical Rs.900/-(Non Rs.10,000/-in form

installations of various Schools and Refundable) of demand draft/

1 Anganvadis in North-West Zone and Bank guarantee of

South-West Zone of AMC. Banks mentioned as

per Annexure-I only

 Interested Only Eligible tenderer may obtain further information and clarification on

any matter relating to the tender documents from the Office of Additional Chief

Engineer (Electrical), 5th Floor, ”C”-Block Sardar Patel Bhavan, Danapith

 Tender Fee-Demand Draft only

Tender must be accompanied by the Tender Fee through Demand Draft only in favour

of “Municipal Commissioner, AMC”payable at Ahmedabadfrom banks mentioned

in Annexure-I only with their tender documents.

Without tender Fee tender will be strictly rejected.

 Earnest Money Deposit (E.M.D.) - D.D. or Bank Guarantee only

Tender must be accompanied by the E.M.D. through Demand Draft or Bank

guarantee in favour “Municipal Commissioner, AMC”payable at Ahmedabad of

banks mentioned in Annexure-I only with their tender documents.

Without E.M.D. tender will be strictly rejected.In case of BG Validity shall be of

minimum 6 months from last date of receiving of tender.

Payment of Tender Fee and Earnest Money Deposit

Tender Fee DD and EMD DD/Bank guarantee shall be submitted in electronicformat

through online by scanning while uploading the bid. This Submission shall mean that

Tender Fee & E.M.D. are received for purpose of opening the bid. Accordingly offer of

those shall be opened whose tender fee and E.M.D. is received electronically. However for

thepurpose of realization contractor shall attached original copies to the Office of

Tender Officer, Central Record Office, Mezzanine Floor, Block-B, Sardar Patel Bhavan,

Danapith, Ahmedabad-380 001,Gujarat,India.along with only Vol-I Physical copy.

Signature of the Tenderer Addl.Chief.Engineer

LIST OF BANKS FOR EARNEST MONEY DEPOSIT(E.M.D.), SECURITY DEPOSIT AND PERFORMANCE

 Earnest Money Deposit / Security Deposit /Performance guarantee shall be in form of

Demand Draft or Bank Guarantee only of following banks only.

(A) Guarantee issued by following banks will be

accepted as SD/EMD on permanent basis.

All nationalized Banks.

(B) Guarantees issued by following banks will be

accepted as SD/EMD .

(1) Commercial Banks :-

2. A U Small Finance Bank

3. Bandhan Bank

4. Barclays Bank

5. City Union Bank

7. DBS Bank India Limited

9. Equitas Small Finance Bank

10. ESAF Small Finance Bank

11. Federal Bank

16. IDFC First Bank

17. Jammu and Kashmir Bank

18. Jana Small Finance Bank

19. Karnataka Bank

20. Karur Vysya Bank

21. Kotak Mahindra Bank

22. South Indian Bank

23. Standard Chartered Bank

24. Tamilnadu Mercantile Bank

25. Utkarsh Small Finance Bank

(2) Co-operative and Rural Banks Of Gujarat :-

1. The Ahmedabad Mercantile Co-operative Bank Limited

2. Nutan nagrik Sahakari Bank Limited

3. Rajkot Nagarik Sahakari Bank Limited

4. Saraswat Co-operative Bank

5. SBPP Co-operative Bank

6. SVC Co-operative Bank

7. The Cosmos co-opretive Bank

8. The Gujarat State Co-Operative Bank

9. The Mehsana Urban Co-operative Bank Limited

10. The Surat District Co-operative Bank

11. The Surat Peoples Co-operative Bank

12. The Kalupur Commerical Co-operative Bank Limited

13. The Panchmahal District Co-operative Bank

14. The Baroda District Co-operative Bank

15. Baroda Gujarat Gramin Bank

16. Saurashtra Gramin Bank

 Bank guarantee of above mentioned banks accepted only for Ahmedabad City branch only.

 OR Bank Guarantee issued by any of the above mentioned bank branch in India must be

approved by a bank branch located in Ahmedabad city will be acceptable.

Signature of the Tenderer

Addl. Chief Engineer

VOLUME - I : TECHNICAL BID

PART - I : GENERAL SPECIFICATIONS

NOTICE INVITING TENDER

MEMORANDUM OF WORK IN BRIEF

INSTRUCTIONS TO TENDERER

QUALIFICATION CRITERIA FOR TENDERER

PART - II : TECHNICAL SPECIFICATIONS

TECHNICAL SPECIFICATIONS

PART - I : GENERAL SPECIFICATIONS

A – 1:- NOTICE INVITING TENDER

Municipal Commissioner,

Ahmedabad Municipal Corporation,

2nd Floor, "C"-Block,Sadar Patel Bhavan,

Danapith,Ahmedabad.

Work- Rate contract for Maintenance of Electrical installations of various Schools and

Anganvadis in North-West Zone and South-West Zone of AMC.

A.1.1 Hereby a Percentage rate tenders (Two-BidSystem) tenders are invited on behalf of

Municipal Commissioner,AMC by E-Tender system from the Contractor/ Agency who qualify

the Eligibility Criteria, as mentioned in Section–A.5 of the tender document.

A.1.2 Tender along with Conditions of contract shall be available from the website

tender.nprocure.com.Tenderer shall have to submit demand draft of banks

mentioned in Annexure-I onlyin favour of “Municipal Commissioner, AMC” Payable

at Ahmedabad ofRs. 900/- as tender fee along with the tender.

Tender received without tender fee shall be considered as Non-Responsive and shall

stand rejected outright.

A.1.3Earnest Money Deposit (E.M.D.) shall be in the form of demand draft in favour of

“Municipal Commissioner, AMC” payable at Ahmedabad or bank guarantee

from banks mentioned in Annexure-Ionly of Rs.10,000/-with their tender

Validity of Bank guarantee shall be of minimum Six months from last date of receiving of

tender. Tender received without Earnest Money shall be considered as Non-

Responsive and shall stand rejected outright.

A.1.4SUBMISSION OF TENDER

A.1.4.1Tenders shall be submitted together with the other documents that form the

tender.In the event of a Contract, the tender and the documents attached there to

shall be considered as forming part of the Contract Documents.

A.1.4.2 Two set(One Original + One Xerox) of tender documents consisting of following

shall besubmitted

VOLUME-ITECHNICAL BID

 Separate envelop for Tender fee (D.D. only)

 Separate envelop for E.M.D. (D.D. or Bank guarantee)

 Part – I: (Section – ‘A’) – Tender Notice,General Conditions-special condition

ofContract,Specifications–Non Technical etc.

 Part – II : (Section – ‘B’) – Technical details and TechnicalSpecifications

 Addendum, if any

 All thepages of tender documents has to be stamped and signed by the Tenderer

VOLUME-II FINANCIAL BID

As this tender is E-tender tenderer must have quote price Bid as per format of N-

procure site online only.

A.1.4.3 Two sets(One Original + One Xerox copy) of tender documents- Vol-I only

(Including technical specifications, drawings and addendum(if any) duly completed

in all respects, tender fee, EMD and other documents required (hard copy of

original certificate, data sheets, company details, forwarding letters etc.) shall be

submitted, so as to reach at the . " Tender Officer,Central Record

Office,Mezzanine Floor, ”B”-Block,Sardar Patel Bhavan, Danapith,Ahmedabad –

380 001,Gujarat (INDIA) "

A.1.4.4 All Envelops and sub envelops must be sealed by tenderer&each sealed envelope

shall show on theoutside, the following details

(a) Name of Department

(b) Name of Work

(d) Name of Contractor

(e) Last date of receiving tender in Physical Form by the AMC

(f) Date of opening of Vol-I (Technical Bid only)

Tenderswhich are opened before the due date for tender opening with no indication

having been given onthe outside of the envelope or container to indicate that; is a

tender liable to be disqualified.

A.1.4.5 The tender shall be considered non-responsive if tender documents are not

sealed.Tenderer shall not be allowed to fill in or seal their tenders at AMC

Office.Tenderer are requested to submit the tenders well in time before stipulated

date and time of receipt; so as to avoid rush at the closing hours.

A.1.5Security Deposit

 The Contractor shall have to pay Security Deposit worth 5% amount (or as per the

latest circular of AMC) of the total ordered Value in Indian Rupees in approved

Form “A” enclosed or other format acceptable to AMC within 15 days from receiving

date of L.O.I./Work Order in form of Demand Draft or Bank Guarantee from banks

mentioned in Annexure-I only with requisite amount of contract

 Failure of submitting security deposit within 15 days may lead to cancellation of

work order and in those case Municipal Commissioner has all right to forfeit EMD

amount deposit along with tender and have right for all strict actions against contractor.

A.1.6 The Earnest Money Deposit of all the Tenderer except 1 st,2nd and 3rdlowest shall be

returned as early as possible.

A.1.7 All details and schedules required for pre-qualification and technical evaluation shall

be submitted in hard copy in prescribed format.

A.1.8Financial bid shall be submitted only on online on tender.nprocure.com

A.1.9The technical bid containing Vol-I (technical bids only) from the tenderer received,

shall be opened Online/Physical in the presence of the tenderer’s representatives

who may remain present at sharp time of the day fixed for tender opening and the

technical tenders shall be scrutinized by AMC or his authorized representatives for

satisfying various eligibility criteria prescribed for the tenderer for this work.

After this, the Financial Bids of only technically qualified tenderer will be opened

online.The actual date and Place of opening of Vol-II-Financial Bid of tenderers

shall be communicated to technically qualifying tenderer only later after scrutiny

of tender documents.

A.1.10 The Conditional Tender will not be accepted and shall be rejected outright, unless,

the nature of condition(s) put up by the tenderer is acceptable to AMC. Any

suggestions/alteration from the tender must be mentioned in the main

forwarding letter. Bidder is advised to visit the particular site for said work under

this tender to study the local site condition prior to tendering. Request for any

kind of change (including prices) shall not be entertained under any

A.1.11 The tenderer should quote his Price bid premium/Discount(% Above/ Below) online

as per Vol-II format of website tender.nprocure.com only.

A.1.12Incomplete tender which does not fulfill any of the above conditions shall be liable

for rejection. Tender shall also be liable to be rejected if –

i) The Tenderer proposes any alteration in the work specified or in the time

allowed for carrying out the work or any condition in the covering letter which is

not acceptable to AMC.

ii) The bidder or the person authorized to sign on behalf of the bidder does not

sign the all pages of the tender and amendments if any (digitally online).

iii) All corrections, additions or pasted slips are not initialed by the authority

person having power of attorney

iv) Any Changes/ Modification in any text, documents in original tender

documents published in N-procure web site.

v) Any erasure/modification in original tender documents published in N-procure

vi) The tenderer or in the case of a firm the bidder or the person authorized to

sign on behalf of the bidder shall sign the bid document. The Copy of legal status of

bidder(Partnership Deed or Articles of Association of the Company) along with

power of Attorney to sign on behalf of the bidder will be furnished along with

other documents to be dispatched physically.

vii) Tender submitted without signing relevant pages of the tender and

amendments, if any.

viii) All Technical data sheet not furnished by the tenderer.

A.1.13 Acceptance of the tenders shall rest with the competent authority of AMC, who does

not bind himself to accept the lowest tender.

A.1.14Municipal Commissioner,AMC reserves the right

(i) To change, alter or to waive any technical or commercial terms, conditions and

(ii) To reject all the tenders or the lowest or any other tender in part or full without

assigning any reason whatsoever at any stage

(iii) For making changes / relaxation in eligibility criteria at any time

(iv) To split the tender in to two or more agencies

The Tenderer shall have no cause of action or claim against the corporation

or-its officers, employees, successors or assignee for rejection or split of tender.

A.1.15 It must be clearly and distinctly understood that the conditions of contract and

specifications shall be rigidly enforced and no relaxation on the grounds of customs

prevailing shall be allowed.

A.1.17The Price quoted for work must be of Site / Store delivery of Corporation with

prevailing applicable taxes.

After awarding Contract and during contract implementation if Government taxes

increases or any type of Govt taxes added then the same rise /addition

will given to Contractor upon submission of necessary documents as

mentioned below.

 Gazette of Government indicating changes in taxes

 Copy of Chillan of tax that has been submitted to income tax department

 Other documents as demanded by client

However during Implementation of work if any types of taxes reduces or any type of

Govt taxes is removed then the same shall be recovered from Contractor .However

it is Contractor’s responsibility to inform the same to Client with supporting

A.1.18 The tender for the work shall remain open for a period of 120 days from date of

opening of Price Bidand the tenderer shall not be allowed to withdraw or

modify the offer on his own during this period.

A.1.19 Tender documents are not transferable.

A.1.20Any False information given in the tender will invite invalidation of any Contract

awarded on the basis of such false information at the discretion of the employer.

A.1.21 The tenderer, if directed by the Engineer in charge; shall increase or decrease the

strength of the labour both skilled and unskilled. The Contractor shall also

report of any accident which may have occurred within 24 hours of its

occurrence to the Add.Chief Engineer(Electrical).

A.1.22The tenderer shall carefully read the eligibility criteria, furnish the details and satisfy

the same; otherwise the tender shall be rejected without assigning any

A 1.23 Contractor shall solely responsible for any issue arises related to Provident fund and

ESIC of their deployed staff.AMC will not responsible for the same

A.1.24For Any Inquiry/Query/Suggestion interested participants may write letterto the

Office of Add.Chief Engineer(Electrical) as above mentioned address 7 days

before last date of tender online submission. After that any letter

submitted not considered.

A.1.25 The bidder is required to check thewebsite tender.nprocure.comfor Addendum if

any before 48 hours of last date and time of on linetender submission. The bidder

who quotes the bid without attaching the addendum shall be rejected .

Addendum is a part of tender and the tenderer who quotes the tender without

attaching the addendum will be rejected.

I/We hereby do certify that I /We have read above instruction

A.1.1 to A.1.25 of “Notice Inviting Tender” carefully and understood very well

and taken into account while tendering and have quoted our firm price accordingly.

Signature of the Tenderer

Addl. Chief Engineer

Company’s seal AMC

A – 2: MEMORANDUM OF WORK IN BRIEF

CLIENT:AHMEDABAD MUNICIPAL CORPORATION

WORK-Rate contract for Maintenance of Electrical installations of various Schools and

Anganvadis in North-West Zone and South-West Zone of AMC.

S.N. DESCRIPTION DETAILS

Tender Documents to be

1 tender.nprocure.com

downloaded from

Last date for submitting 21.04.2026 up to 6.00 p.m only on website

filled up tender Online tender.nprocure.com

Last Date- Time and up to 22.04.2026 4.00 p.m only At the Office of Tender

Place of submission of Officer, Central Record Office, Mezzanine Floor, Block-B,

3 Volume-I (Technical Bid Sardar Patel Bhavan, Danapith, Ahmedabad-380

only) of Tender in 001,Gujarat,India

22.04.2026 at 4:05 p.m. onwards

Online Opening:-At the Office of Addl.Chief Engineer

Tender Vol-I (Technical (Electrical), Light Department,5th Floor “C”-Block, Sardar

Bid only) Opening Date- Patel Bhavan, Danapith , Ahmedabad-380 001, Gujarat,

Time and Place India. Physical Opening :-At the Office of Tender Officer,

Central Record Office, Mezzanine Floor, Block-B, Sardar

Patel Bhavan, Danapith, Ahmedabad-380 001,Gujarat,India

or at the above said office

Mode of sending In sealed envelope in (One Original + One Xerox copy)

Physical tender copies by Registered Post A.D. or Speed Post or Hand

5 delivery only.

documents, Vol-I

(Technical Bid only) Tender sent by ordinary post shall be rejected outright.

6 Description Essential to a) Name of Department

be made on each sealed b) Name of Work

envelop c) Tender No.,

d) Name of Contractor

e) Last date of receiving tender in Physical Form by the

f) Date of opening of Vol-I(Technical Bid only)

Mode of Quoting Rates

7 in Schedule of Rates/ As per format of N-procure web site tender.nprocure.com.

At the time of opening of tender only Vol-I (Technical bid) of

tenders will be opened . After scrutiny of Vol-I (Technical

8 Tender opening

Bid), the Vol-II (Financial Bid) of Qualified tenderer will be

Only demand draft of Rs.900/- in favour of “Municipal

Tender Fee (Non

9 Commissioner, AMC” payable at Ahmedabad from Banks

mentioned in above Annexure-I only.

In form of Demand Draft in favor of ”Municipal

Commissioner, AMC” payable at Ahmedabad or Bank

guarantee from banks mentioned in Annexure-I only of Rs

10,000/- BG Validity shall be of minimum 6 months from

last date of receiving of tender.

11 Tender Validity Period 120 Days from date of opening of Vol-II Price Bid

5% amount (or as per the latest circular of AMC) of the Total

Ordered value to be submitted by the way of D.D. or Bank

guarantee from the banks mentioned in Annexure-I only in

favour of “ Municipal Commissioner, AMC”with requisite

12 Security Deposit (S.D.) amount contract paper.

In case of Bank guarantee validity period should be

minimum 1 year and if work is continue after one year

then contractor to extent the same as per instruction of

engineer in charge.

13 Price Escalation Not Allowed

The Rates for Extra item of any nature of Electrical work

shall be Considered of lesser value of following

(a) Current S.O.R.(Of that year the extra work carried

14 Extra Item Work out)

(b) Tender S.O.R.(after effect of Tender Premium /

(c) Market Rate

The quantities shown in the schedule of quantities are

intended to cover the entire work indicated in the drawings,

Excess Quantity work but the employer reserves the right to execute only a part

or the whole or up to any excess / lesser thereof without

assign any reasons therefore and contractor has to execute

it without any objection.

Date of Commencement From Date of receiving Work Order/L.O.I

17 Site Conditions The Contractor shall have to make himself acquainted with

all conditions and situations pertaining to site. The rates

quoted with all conditions and situations pertaining to site.

The rates quoted by contractor shall taken into account all

site factors and no extra cost shall be payable on any

account especially on the plea that the contractor was not

aware of any particular situation or condition.

100% Payment will be made after satisfactorily completion

18 Mode of Payment

Total Work Completion Rate contract within limit of Rs.10.00 Lacs.

In case of major/minor faults, whenever AMC handover

fault to contractor then will have to rectify fault within

hours. If contractor fails to do the same, penalty will be

deducted by AMC from contractor bill. Penalty will be (1)

Emergency single /three phase short circuit/current/power

supply failure etc. electric fault not attend up to 2-4 hour

Liquidated damages /

20 after receive complain, otherwise Rs.500/- penalty per

complain. (2) Major electric fault not attend up to 1 day

after receive complain, otherwise Rs.1000 penalty per

complain. (If any above situation continues for three

times .then AMC reserves the right to terminate the

contract forfeits S.D.)

IMORTANT INSTRUCTIONS

 tenderer shall be fill the Format as mentioned in Schedule A-2 (A2.1 to A2.2) of

Technical tender, Volume-I.

 Contractor shall have to submit all the documents spiral binding having proper checklist

index indicating the page no. as per format and supportive documents.

Signature of the Tenderer

Addl.Chief Engineer

Company’s seal AMC

S. N. DESCRIPTION

A.2.1 STRUCTURE ORGANISATION AND QUALIFICATION OF FIRM

A.2.2 INFORMATION REGARDING FINANCIAL CAPACITY OF THE BIDDER

INDEX FOR SCHEDULES

SCHEDULE-A.2.1 :- STRUCTUREORGANISATION AND QUALIFICATION OF FIRM

S.N DETAILS TO BE

1 Name of the Vendor/Applicant

2 Nationality of vendor/ Applicant

Address of the firm Main Office

Address of office at Ahmedabad

5 Date of Incorporation of the Company.

6 NatureoftheCompanyoftheApplicant

a A proprietary firm Yes / No

b A firm in partnership Yes / No

c A Private Limited Company Yes / No

d A Limited Company Yes / No

e Any other Yes / No

 Tick whichever is applicable and strike out others

 AttachacopyofPartnershipDeed/CertificateofIncorporation/Articlesof

AssociationandMemorandumofAssociationetc.

7 Name and address of person (s) holding power of attorney with Contact

(Attested copy ofpowerofattorneytobe enclosed).

8 For how many years has your organization been in business of similar

work under it’s present name?

9 Details of GST registration with date.

10 Details of Permanent Account Number(PAN)

11 Were you ever required to suspend execution for period of more than

Six months continuously after you started? If so, give the name of

project and reasons there of

12 Inhowmanyofyourprojectspenaltieswere imposed for delays? (Please

13 Financial details, Solvency certificate etc

14 Annualturnoverforthelastthreeyears ending March-2025

15 Gross capital for the last three years ending March-2025

16 Statement of Profit & Loss during last three years ending March-2025 Fill

Signature of the Tenderer Addl.Chief

Name (Electrical)

Company’s seal AMC

SCHEDULE-A.2.2 :-INFORMATION REGARDING FINANCIAL CAPACITY OF THE BIDDER

S. Details Submitted Amount Details to Remarks

N. Yes/ No in Rs be

1 Tender fee Tender fee value shall be Rs.900/-

2 E.M.D EMD value shall be Rs.10,000 /-

The contractor must possess

solvency certificate of value not

3 Solvency less than Rs. 2,00,000/- from

Certificate Nationalized / Scheduled Banks

only. Solvency Certificate should

not prior to one year old from last

date of tender submission.

turnover for Minimum average Annual Turnover

last 3 years for last three financial years shall

2023-24 Certificate duly signed and

stamped from C.A. shall be

2024-25 attached with this schedule along

with the audited balance sheets for

AVERAGE the last three years showing long

term profitability.

5 Profit earned

three years Certificate duly signed and

stamped from C.A. shall be

2022-23 attached with this schedule along

S. Details Submitted Amount Details to Remarks

N. Yes/ No in Rs be

6 Gross Capital

during last Certificate duly signed and

three years stamped from C.A. shall be

2022-23 attached with this schedule along

7 Price of Mention Amount and year where

Biggest job completed

8 Experience of Separate sheet should be enclosed

execution of with this schedule as supporting

maintenance documents.

return copy of Copy shall be attached with this

last three schedule.

Note: (1) No Deviation with respect to technical guaranteed parameters and commercial

terms shall be acceptable.

(2) If required separate sheet can be used for more details.

Signature of Tenderer Addl. Chief Engineer

Name (Electrical)

Company’s Seal AMC

A-3: SCOPE OF WORK AND SPECIAL INSTRUCTIONS TO CONTRACTOR

The scope of work under this contract comprises Rate contract for Maintenance of Electrical

installations of various Schools and Anganvadis in North-West Zone and South-West Zone of

AMC. The work shall be carried out and completed under this contract in every respect in

conformity with the current rules and regulations of the local authority, the Indian Standard

Institution or other relevant codes, and with the directions of and to the satisfaction of the

GENERAL INSTRUCTIONS

A.3.1 The details for Rate contract for Maintenance of Electrical installations of various Schools and

Anganvadis in North-West Zone and South-West Zone of AMC shall be as per design and

instructions of Engineer-in-Charge and his order shall be considered final.

A.3.2 The Contractor shall have to properly store the material brought by him on site. This shall be

kept open for inspection by Client and authorized representatives.

A.3.3 The Contractor shall remain responsible for workmen’s compensation, if any, when such

case occurs. The contractor shall arrange for red lamps at night and fencing and shall be

responsible for any damage of life and limb or property, if any happens, during the

execution of work. In case of dispute for unseen or overlooked items, the decision of

Municipal Commissioner,AMC shall be final. The Contractor shall have to give site clean

of all rubbish on completion of work and hand over the site with final finishing of the

work as directed. All the rejected materials shall be removed from site within

hours by Contractor at his risk and cost.

A.3.4 All the materials required for the execution of works shall have to be brought by the

contractor from open market.

A.3.5 Contractor shall be fully responsible for compliance of the various provisions under Contract

Labor Act, 1970 and latest addendum and the Rules frames there under. The Contractor

should obtain necessary permissions, license & registrations from labour

commissioner, as per labour law.

A.3.6All the precautionary measures for safety are to be taken by the contractor during execution

of work at site.

A 3.7No Contractor shall employ any child heaving age 5 years to 14 years, as it is prohibited by the

Child Labour Prohibition and Regulation Act, 1986.The Hon. Supreme Court has given

certain guidelines and as per the guidelines, if employment of child labour is detected on

the site work, the employer i.e. the Contractor shall have to deposit Rs.20,000/- (Rupees

Twenty Thousand only) in the Child Labour welfare Fund. If the employer refuses to

deposit, then action will be taken for contempt of Court of the Supreme Court Judgement

and also will be prosecuted by the concerned authority.

A 3.8AMC will not be responsible for any accidents (In case of the death of a person or an injury)

occurred in the any premises of AMC Area due to the above reason and the compensation

for the family of the person affected. It will be in the scope and responsibility of the

contractor to deal with the legal proceeding such as court matter, police case compensation

etc which arises due to the above reason.

A3.9 AMC reserves the right to inspect any Equipment / Material to be supplied by the contractor

as part of his /her scope of work, at manufacturer’s works to confirm their conformity to the

Contract. All the expanses to be bare by contractor.(travel by air stay at deluxe hotel)

I/We hereby do certify that I/We have read above instruction A3.1 to A3.9 of

“Scope of Work” carefully and understood very well and taken into account while

tendering and have quoted our firm price accordingly..

Signature of the Tenderer Addl.Chief

Company’s seal AMC

A – 4:- INSTRUCTIONS TO TENDERER

A.4.1.1 These instructions are provided to assist tenderer while preparing their tenders.

A.4.2 INVITATION TO TENDER

A.4.2.1 The Municipal Commissioner, AMC shall receive tenders for Rate contract for

Maintenance of Electrical installations of various Schools and Anganvadis in North-West

Zone and South-West Zone of AMC according to the specifications and Schedule of

Quantities and in the tender documents herewith attached.

A.4.2.2 Tenders shall not be accepted after the hour and date fixed for receiving of tenders.

Telegraphic tenders shall not be accepted under any circumstance. Tenders received

after the hour and date so fixed shall not be considered.Tenders shall be received only

by Regd Post A D / Speed Post / Hand delivery on or before due date and time as

mentioned in Tender notice. Tenderer’s authorized representatives may attend the

tender opening. The tenders shall be opened at the date and time as mentioned in

A.4.3 TENDER VALIDITY PERIOD

A.4.3.1 The tender shall be kept valid for acceptance for a period of 120 Days (One Hundred

twenty days) from date of opening of Price Bid.

A.4.4 LANGUAGE OF TENDER

A.4.4.1 Tenders shall be submitted in English, and all information in the tender shall be in

English. Information in any other language shall be accompanied by its translation in

English. Failure to comply with this may disqualify a tender. Only English text shall be

A.4.5INCOME TAX RETURN

The tender must be accompanied by an Income-Tax return copy of last three financial

years ending March

A.4.6 Joint Venture: Not Applicable

A.4.7 MODIFICATION OF DOCUMENTS

A.4.7.1 Modifications of specifications and extension of the closing date of the tender, if

required, shall be made by an Addendum. Copies of each Addendum shall be put up on

website tender.nprocure.com. These shall be signed and submitted along with tender

documents by the tenderer and shall form a part of the tender document.

A.4.8 Evaluation of Tenders / Documents -Information to be submitted along with Volume

– I (Technical Bid)

The Contract will be awarded on the basis of overall lowestprices as per N-procure Vol-II.

A.4.9 SIGNING OF CONTRACT

A.4.9.1 The successful tenderer shall be required to execute the Contract within 15 days of

receipt date of Work Order/ L.O.I. If the contractor shall not pay security deposit and

shall not sign agreement within 15 days after issuing the first letter from the authority

of AMC, EMD shall be forfeited and such tenderer shall be disqualified for getting

further any work in AMC.

A.4.10 STAMP DUTY AND LEGAL CHARGES It shall be incumbent on the successful tenderer to

pay stamp duty on the contract and legal charges for preparation of the contract

A.4.11 Not More than one tender shall be submitted by a contractor or by a firm of contractor.

No two or more concerns in which an individual is interested as a proprietor and/or a

partner & /or director shall submit tender for the execution of the same work/tender. If

they do so all such tender shall be liable to be rejected.

A.4.12 Any objection/Complaintsregarding tendercan be done by any applicant/tendererin

period between technical bid opening and price bid opening. In case any applicant is

complaining after the price –bid is opened then it will be considered as bidder/applicant

is trying to harm the tender process and complainant/Bidder will be Debar for 5 yrs for

tender process in AMC and Earnest Money Deposit will be seized. If the complaint is not

done by applicant then file will get close (case no longer) without checking.

A. 4.13Eventhough the bidders meet the above criteria,they are subject to be rejected,if

they have record of poor performance such as abandoning the work,not properly

completing the contract,inordinate delays in completion,financial failures etc.

A.14 DECLARATION FORM

A.14.1 I/ We hereby declare that I / We have perused in detail and have examined closely the

specifications/scope of work/general terms and conditions/special terms/important

instructions/note described in the tender document. I / We hereby agree to be

bound by and comply with all such specifications/terms, conditions etc.

A.14.2 I / We also certify that I / We have visited the sites and inspected the locations of the

proposed work before quoting my/our rates and will not claim any extra towards

minor/major item related the job.

A.14.3. I/We also confirm that I/We have understood intent and content of the tender and I/We

assure that I/We shall abide by all intents of the tender besides its wordings.

A.14.4 I/We also confirm that my/our offer is strictly in line with tender

stipulations/terms/conditions and understand that deviation of any kind, if

found, my / our offer will be summarily rejected.

A.14.5 If due to any reason, payment is delayed then tenderer is not eligible to claim/demand

any compensation for loss of interest thereof.

A.14.6 AMC reserve the right (i) to change, alter or to waive any technical or commercial

terms, condition and qualification (ii) to reject all the bids or any bid in part or full

without assigning any reason whatsoever (iii) for making changes / relaxation

ineligibility criteria at any time (iv) to split the order work and award the work to more

than one tendered with lowest rate quoted in the tender in the interest of the public.

The bidder shall have no cause of action or claim against the Ahmedabad Municipal

Corporation or its Officers / Employee’s successor or assignee for rejection of his

A.14.7 In case of not filling and submitting of documents as mentioned in tender at the time

of tendering the no further correspondence shall be done with bidders for further

submission of either technical or commercial documents or any discount, and at the

same time tender will be rejected.

A.14.8To remove all clay, sand, debris accumulated at site from excavation work or any other kind

of waste material from site as per instruction of E-I-C without any extra cost.

A.14.9To provide the site to E-I-C for inauguration work after completion of tender work in all

respect removing all raw materials, grass, debris or any kind of waste material from site as

per instruction of E-I-C without any extra cost.

A.14.10Contractor shall make all arrangements for obtaining power connection, the installation,

operation, maintenance and subsequent removal of temporary supply of electricity. AMC

shall issue only authorization letter to Contractor for obtaining power connection, and yet if

power is not available in time, the work shall not be postponed and the Contractor shall

have to arrange for diesel generating set (s) at his own cost.

A.14.11Contractor must present regularly and timely whenever work progress review meeting

regularly arranged by department during period of starting of tender work at site to the end

I/We hereby do certify that I/We have read above instruction A.4.1 to A.14.11 “General

Rules and Directions for the Guidance of Contractors”carefully and understood very well

and taken into account while tendering and have quoted our firm price accordingly..

Signature of the Tenderer Addl.Chief

Company’s seal AMC

EARNEST MONEY DEPOSIT / SECURITY DEPOSIT

In consideration of the AHMEDABAD MUNICIPAL CORPORATION (hereinafter to as the

corporation) having agreed to exempt ______________________________________

(hereinafter referred to as "the said Contract") from the demand of earnest money /

security deposit in cash for the due fulfillment of the terms and conditions of the

agreement made between the AMC and the said TENDERER on

(hereinafter referred to us "the said agreement") on production of Bank Guarantee for

(hereinafter referred to as "Bank") do hereby undertake to pay to the AMC as a amount not

exceeding Rs. _____________________________ Rupees

on the demand from AMC.

Any such demand on the bank shall be conclusive as regards as amount due and payable by

the bank under this guarantee. However, liability of the bank under this agreement shall

restricted to as amount not exceeding Rs. ___________________________ Rupees

We the bank further agree that the guarantee herein contain shall remain in full force and

effect during the period that would be mentioned in the tender and that it shall continue to

be enforceable till all the dues of the Corporation under or virtue of the said agreement

have been paid and its claim satisfied or discharged and till a certificate to the effect has

been received by the bank from the Corporation. However, unless the demand of claim

under the guarantee is made to the bank in writing on or before the

_____________________ (specify the date) the bank shall be discharged from all liabilities

under this guarantee.

With the bank further with AMC shall have fullest liberty, without the concert of the bank

without effecting in any manner it obligations herein under to vary any of the terms and

conditions of the said agreement or extend time for validity by the said tender from time to

time or to postpone for any time or from time to time any of the powers exercisable by the

AMC against the said Contractor and to forebear to enforced any of the terms and

conditions relating to the said agreement and the bank shall not be relieved from liability by

reason of any such variation, or extension granted to the contractor for any forbearance, at

Contractor or by any such matter or thing whatsoever which under the law relating to

sureties would, but this provision, have the effect of so relieving the Bank.

undertake not to revoke the Guarantee during currency except with the previous concert of

the AMC in writing.

Principal (Contractor)

Contract No. And date of Contract

PERFORMANCE BOND

(The date of this bond must not be prior to the date of the instrument in connection with

which it to given)

Principal (Contractor)

Sub of bond (Express in words and figures)

Contract No. And date of Contract

A – 5: ELIGIBLITY/QUALIFICATION CRITERIA FOR TENDERER

Qualification will be based on meeting all the following minimum pass / fail criteria regarding the bidder’s

general and particular experience, personnel and equipment capabilities and financial position. The AMC

reserves the right to waive minor deviations, if they do not materially affect the capability of a bidder to

perform the contract.

1. Tenderer must have to submit demand draft of banks mentioned in Annexure-I only in favour of

“Municipal Commissioner, AMC” Payable at Ahmedabad of Rs.900/- as tender fee along with the

2. Tenderer must have to submit Earnest Money Deposit (E.M.D.) in the form of demand draft or bank

guarantee in favour of “Municipal Commissioner, AMC”payable at Ahmedabad from banks

mentioned in Annexure-I only of Rs. 10,000/- with their tender documents.

3. The tenderer must possess current validity valid Electrical Contractor License from Gujarat State or Any

State Licensing Board of India.(Copy of license must be attached along with tender)

4. Tenderer must have minimum Experience of satisfactory completion of one year of Electrical

maintenance work of offices and buildings /school / Community Hall / Party Plot / Auditorium of any

Govt. / Semi Govt. / State Govt. organization /Railway /Municipal Corporation only during last 7 years.

Tenderer must submit the relevant experience certificates and work orders.

Experience of having successfully completed similar works during last 7 years ending last day of

month previous to the one in which tenders are invited should be either of following.

(i) One similar work completed costing not less than the amount of Rs 8,00,000/- (80 % of the estimated cost .)

(ii) Two similar works completed costing not less than the amount of Rs 5,00,000/- (50% of the

estimated cost.) OR

(iii) Three similar works completed costing not less than the amount of Rs 4,00,000/- (40% of the

estimated cost.)

Definition of similar work

Similar works mean Maintenance work of Electrical Installation In offices and buildings / Schools/ Community Hall /

Party Plot / Auditorium of any Govt. / Semi Govt. / State Govt. organization /Railway /Municipal Corporation only

(Copies of Work order and work completion certificate & BoQ/details of nature of work must be submitted with

tender in proof of above criteria )

NOTE:- Water pumping station, STP and Street Light work or Only Labor work will not be considered as a

similar nature work.

5.Average Annual financial turnover in last three financial years ending on 31.03.2025 shall not be

less than value of Rs 3,00,000/- (30% of estimated value.)

6. Solvency Certificate

The tenderer must possess solvency certificate of value not less than Rs.2,00,000/- from Nationalized

/ Scheduled Bank only.(20% of tender value) Solvency Certificate should not prior to one year old from last

date of tender submission.

7. Litigation History

The bidder should provide accurate information on any litigation history or arbitration resulting from

contracts completed or under execution by him over the last 10 years. This should also include such

cases, which are in process/progress. A consistent history of awards against the bidder or any partner

of a firm may result in failure of the bid. In case the bidder has not provided such information and has

come to the notice of the Authority, the bid shall be rejected at whatsoever stage and in such case all

the losses that shall arise out of this issue shall be recovered from the bidder/contractor and he shall

not have any claim for the same.

Signature of the Tenderer Addl. Chief

Name (Electrical)

Company’s seal AMC

TECHNICAL SPECIFICATIONS

B.1 TECHNICAL SPECIFICATIONS

B.2 APPLICABLE STANDARDS

B.3 LIST OF APPROVED MAKES

B.1 TECHNICAL SPECIFICATIONS

Material Specification

Section - 1 Distribution Board

Section – 2 LT Cabling and Termination

Section – 3Internal Wiring

Section – 4Earthing

Section-1 Distribution Boards

It includes Supply, Installation, Testing and Commissioning of Distribution Boards standard

company fabricated or to be fabricated by fabricator.

1.2 Standards :

IS : 8623 : Distribution Boards

1.3 Distribution Boards :

a)Distribution boards along with the controlling MCB's/Fuse or Isolator as shown shall be

fixed in an M.S. Box with hinged door suitable for recessed mounting in wall. Distribution

boards shall be made of minimum 18 SWG steel sheet duly rust inhibited through a

process of de-greasing, acid pickling, phosphating and powder coated to an approved

colour of adequate micron rating duly approved by architect/consultant.

Three phase boards shall have phase barriers and a wire channel on three sides.Neutral bars

shall be solid tinned copper bars with tapped holes and chase headedscrews. For 3 phase

DB's, 3. Independent neutral bars shall be provided for per phaseisolation in addition to

main neutral links.

b)Conduit knockouts shall be provided as required/shown on drawings and the entireboard

shall be rendered dust and vermin proof with necessary sealing gaskets. The topand

bottom side of DB should be detachable.

c) All DB's shall be internally pre-wired using copper insulated Busbars of appropriaterating.

Bus bars shall be suitable for the incoming switch rating and sized for atemperature rise

of 35° C over the ambient. Each board shall have two separateearthing terminals. Circuit

diagram indicating the load distribution shall be pasted on theinside of the DB as

instructed. Two earthing terminal for single phase and two terminalsfor 3 phase DB's

shall be provided with one earth strip connecting the studs and theother earth link

should be provided with base insulator in such a way that link should incontact with body

of distribution board.

A) The RCCB should suffices all the requirements of IS as per code IS -

( Part I ) - 2000. The RCA should be current operated and not on line voltage.

B) The RCCB/RCCB should ensure mainly the following functions.

1) Measurement of the fault current value.

2) Comparison of the fault current with a reference value.

C) The RCCB/RCBO should have a torroidal transformer which has the mainconductors of

primary (P - N) which check the sum of the current close to zero. Allmetal parts should be

inherently resistant to corrosion and treated to make themcorrosion resistant. It should

be truly current operated. It should operate on core

balance torroidal transformer. It’s accuracy should be ± 5 %.It should operateeven in case of

neutral failure. It should trip at a present leakage current within 30M.S. It’s enclosure

should be as per IP 30.It’s mechanical operation life should bemore than

operations. It should provide full protection as envisaged by IE

rules - 61-A, 71 - ee, 73 - ee, 1985 and also rule 50 of IE rule1956.It shouldconform to all

national and international standards like IS, BS 4293 - 1983, CEE27 (International

commission Rules for the approved of electrical equipment).

1.5 MCB/ Isolators:

Miniature circuit breakers shall be quick make and break and break type conform withBritish

standard BS:3871 (Part-I) 1965, IEC 898-1995 and IS :8828 (1996). The housingof MCBs shall

be heat resistant and having a high impact strength. The fault current ofMCBs shall not be

less than 10000 amps, at 230 volts. The MCBs shall be flushmounted and shall be provided

with trip free manual operating mechanism withmechanical "ON" and "OFF" indications.The

circuit breaker dollies shall be of trip free pattern to prevent closing the breaker on afaculty

current. Tightening torque at terminals shall be not less than 2.5 Nm. Power

losses should not be more than as specified in IEC 898-1995.The MCB contact shall be silver

nickel and silver graphite alloy and tip coated with silver.Proper arc chutes shall be provided

to quench the arc immediately. MCB's shall beprovided with magnetic fluid plunger relay

as for over current and short circuitprotection. The over load or short circuit devices shall

have a common trip bar in thecase of DP and TPN miniature circuit breakers. All the MCB's

shall be tested andcertified as per Indian Standard, prior to Installation.

For protection of electric circuits with equipment that does not cause surge current

(i.e.lighting and socket outlet circuits)’B’ curve MCB to be used in which magnetic

releasesoperates between 3 and 5 In.

For protection of electric circuits with equipment that cause surge current (i.e. inductiveand

motor circuits) ’C’ curve MCB to be used in which magnetic releases operatesbetween 5 and

10 In.For protection of electric circuits with equipment that cause surge current

(i.e.transformer, heavy start motors circuits) ’D’ curve MCB to be used in which

magneticreleases operates between 10 and 15 In.Isolators shall confirm to IS 13947-3 and

Signature of the Tenderer Addl. Chief

Name (Electrical)

Company’s seal AMC

Section – 2 LT CABLING AND TERMINATION

The scope consists of Supply, laying, testing and commissioning of L.T. XLPE Cableand its

AS PER SCHEDULE OF INDIAN STANDARDS; ATTACHED IN THE DOCUMENT

A) LV POWER CABLES will be 1100 Volts grade single / multicore standard

aluminumconductor extruded XPLE insulated with extruded PVC inner sheath outer sheath

madeof FRLS PVC compound conforming to IS-7098 part-1. Single core will be used for

DCapplication. Cables in buried insulation shall be armoured type. Armoured cable

shouldbe provided with galvanized steel wire or strip armouring.

B) Control cables will be 1100 Volts grade multicore minimum 2.5 sqmm cross

sectionstandard copper conductor minimum 7 strands PVC insulated inner extruded

sheathedand other sheath made of extruded FRLS PVC compound conforming to IS-1554

part-1.Cables in buried insulation shall be armoured type.

C) All cables shall be new without any kind or visible damage. The manufacturers

name,insulating material, conductor size and voltage class shall be marked on the surface

ofthe cable at every 600 mm centres.

2.4 Cable joints and termination:

A) Connectors :

Cable terminations shall be made with copper/Aluminium Heavy duty long neckcopper

crimping lugs only crimped type solder-less lugs for all aluminium cables andstud type

terminals. For copper cables copper crimped solder-less lugs shall be used.Crimping shall be

done with the help of hydraulically operated crimping tool. All cablelugs should be long

neck type only.

B) Cable Glands :

Cable glands shall be of heavy duty brass compression / whether proof type as specified.

Generally single compression type cable glands shall be used for indoor protected locations

and double compression type shall be used for outdoor locations. Glands for classified

hazardous areas shall be CMRI approved.

Ferrules shall be of self sticking type and shall be employed to designate the variouscores of

the control cable by the terminal numbers to which the cores are connected, forease in

identification and maintenance.

D) Cable joints :

Kit type joint shall be done and filled with

Signature of the Tenderer Addl.Chief

Name (Electrical)

Company’s seal AMC

Section-3INTERNAL WIRING

The scope covers supply, laying, testing and commissioning of wiring in rigid PVC

pipes,Switches, Sockets and accessories.

3.2 Standards :

AS PER SCHEDULE OF INDIAN STANDARDS, ATTACHED IN THE DOCUMENT

3.3 Rigid and Flexible conduits:

A) All conduits shall be rigid PVC having minimum wall thickness of medium gauge 1.6 to1.8

approved by F.I.A. & I.S.I. All rigid pipe and its accessories shall be of suitablematerial

complying with IS:3419-1989 and IS :9537 (Part 5) 2000 for flexible conduits.

The conduits shall be circular in cross-section and designated by their nominal

outsidediameter. Minimum thickness of walls shall be as follows:

a) Up to 38 mm. diameter - minimum 1.8 mm. wall thickness.

b) Above 40 mm. diameter - minimum 2.2 mm. wall thickness.

The maximum number of PVC insulated copper conductor cables of 650/1100V

gradeconfirming to IS:694-1990 that can be drawn in one conduit of various sizes shall be

B) Flexible conduits shall be formed from a continuous length of spirally wound

interlockedsteel strip with a fused zinc coating on both sides. The conduit shall be

terminated inbrass adapters.

3.4 Accessories :

A) PVC conduit fittings such as bends, elbows, reducers, chase nipples, split couplings,plugs

etc. shall be specifically designed and manufactured for their particularapplication. All

conduit fittings shall conform to IS:2667-1964 and IS:3857-1966. Allfitting associated with

galvanized conduit shall also be galvanized.

A) All wires shall be single core multi-strand/ flexible copper or single strand Copper

FRLStype PVC insulated as per IS:694 and shall be 660 V\1100 V grade.

B) All wires shall be colour coded as follows :

Phase Colour of wire

R RedY YellowB BlueN BlackEarth Green (insulated)Control (If any) Grey

All off wires Same as Phase wire

C) Both end of wires should be terminated with adequate size copper crimping type lugsand

ferrules as per instructions of engineer in charge.

3.6 Additional requirements

3.6.1 Making Chase

The chase in the wall shall be neatly made and of ample dimensions to permit the conduit

to be fixed in the manner desired. Chase shall be done with machine cutter only.In the case

of building under construction, the conduits shall be buried in the wall before plastering and

shall be finished neatly after erection of conduit. In case of exposed brick/RCC work, special

care shall be taken to fix the conduit and accessories in position along with the building

3.6.2 Fixing conduits in chase

The conduit pipe shall be fixed by means of staples, J-hooks, or by means of saddler,not

more than 60 cm apart or by any other approved means of fixing. All threaded joints of

conduit pipes shall be treated with some approved preservative compound to secure

protection against rust.

3.6.3 Fixing conduits in RCC work (slab / wall / floor etc)

The conduit pipes shall be laid in position and fixed to the steel reinforcement bars by steel

binding wires before the concreting is done. The conduit pipes shall be fixed firmly to the

steel reinforcement bars to avoid their dislocation during pouring of cement concrete and

subsequent tamping of the same. Fixing of standard bends or elbows shall be avoided as far

as practicable, and all curves shall be maintained by bending the conduit pipe itself with a

long radius, which will permit easy drawing in of conductors.

Location of inspection/ junction boxes in RCC work should be identified by suitable means

to avoid unnecessary chipping of the RCC slab subsequently to locate these boxes.

At either side of the bends, saddles/staples shall be fixed at a distance of 15 cm from

thecentre of the bends.

A protective earth conductor shall be drawn inside the conduit in all distribution circuits to

proved for earthing of non current carrying metallic parts of the entire installation. These

shall be terminated on the earth terminal in the switch boxes, and/or earth terminal blocks

at the distribution boards. Gas or water pipes shall not be used as protective conductors

(earth medium). Every sub main will be earth continuity conductor to run along with sub

main wiring. Every circuit will have its earth continuity conductor to run along with circuit

wiring. In case of 3 phase sub main wiring two earth continuity conductor shall be provided.

Signature of the Tenderer Addl.Chief

Name (Electrical)

Company’s seal AMC

Section-4 EARTHING

4.1 Scope of Work:

The scope of work shall cover supply, laying, installation, connecting, testing and

commissioning of:

1.1.1 chemical or Electrode type Earthing station.

1.1.2 copper strips from earthing station to equi-potential bar.

1.1.3 copper strips/ wires from equi-potential bar to lay feeder mains and circuit to

connectpower panels, DBs, switchboards etc.

1.1.4 Bonding of Non-current carrying parts, and metallic parts of the electrical installation.

1.1.5 Provide inter connection between all earth pits of same type.

4.2.1 The following standards and rules shall be applicable:

1) IS: 3043 - 1966 Code of practice for Earthing.

2) Indian Electricity Act and Rules

4.2.2 All codes and standards mean the latest. Where not specified otherwise the

installation shall generally follow the Indian Standard Code of Practice or the British

Standard Codes of Practice in absence of Indian standard.

All the non-current carrying metal parts of the electrical installation and mechanical

equipments shall be earthed properly. The metal conduits, trucking, cables armoured and

sheath, electric panels boards, lighting fixtures, ceiling and exhaust fan and all other parts

made of metal shall be bonded together and connected by means of specified earthing

An earth continuity conductor shall be installed with all the feeders and circuits and shall be

connected from the earth bar of the panel boards, to the conduit system, earth stud of the

switch box, lighting fixture, earth pin of the socket outlets and to any metallic wall plates

used. All the enclosures of motors shall be also connected to the earthing system.

4.4 TYPE OF EARTHING STATION

4.4.1 ELECTRODE / CHEMICAL TYPE EARTHING STATIONS:

4.4.1.1 The substation earthing and equipment earthing shall be with T-39 OR & T-19 as per

earthing scheduled in BOQ & Drawing.

4.4.1.2 The earthing station shall be as shown on the drawing.

4.4.1.3 The earth resistance shall be maintained with suitable soil treatment as shown in the

4.4.1.4 The resistance of each earth station should not exceed the limit specified in IS:

4.4.1.5 The earthing grid and the earthing conductors shall be of copper strip of size as

mentioned on the drawing.

4.4.1.6 The block masonry chamber with Cast Iron hinged cover shall be provided for

the termination block as shown in the drawing.

4.4.1.7 The hardware and other consumable for earthing installation shall be of

copper/brass, as

per details shown in the drawing.

4.5 INSTALLATION AND CONNECTION:

4.5.1 The plate \ pipe electrode, as far as practicable, shall be buried below

permanentmoisture level but in no case not less than 2.5 M below finished ground level.

4.5.2 The plate \pipe electrode shall be kept clear of the building foundation and in no case,

itshall be nearer by less than 2 M from outer face of the respective building wall \ column.

4.5.3 The plate electrode shall be installed vertically and shall be surrounded with

mm.thick layers of Charcoal dust and Salt mixture.

4.5.4 G.I. pipe for watering shall run from top edge of the plate \ pipe electrode to the mid

levelof block masonry chamber.

4.5.5 Top of the pipe shall be provided with G.I. funnel and screen for watering the earth

\ground through the pipe.

4.5.6 The funnel with screen over the G.I. pipe for watering to the earth shall be housed in

ablock masonry chamber as shown in the drawing.

4.5.7 The masonry chamber shall be provided with a Cast Iron hinged cover resting over

theCast Iron frame which shall be embedded in the block masonry.

4.5.8 Construction of the earthing station shall in general be as shown in the drawing and

shallconform to the requirement on earth electrodes mentioned in the latest edition of

IndianStandard IS : 3043, Code of Practice for Earthing Installation.

4.5 9 The earth conductors ( Strips / Wires copper/ Hot dip G.I.) inside the building

shallproperly be clamped / supported on the wall with Galvanized Iron clamps and Mild

SteelZinc Passivated screws \ bolts. The conductors outside the building shall be laid at

least600 mm. below the finished ground level.

4.5.10 The earth conductors shall either terminate on earthing socket provided on the

equipmentor shall be fastened to the foundation bolt and / or on frames of the equipment.

Theearthing connection to equipment body shall be done after removing paint and other

oilysubstances from the body and then properly be finished.

4.5.11 Over lapping of earth conductors during straight through in joints, where required,

shallbe of minimum 75mm. long.

4.5.12 The earth conductors shall be in one length between the earthing grid and the

equipmentto be earthed.

4.6 EARTH LEADS AND CONNECTIONS:

4.6 1 Earth lead shall be bare copper or galvanized steel as specified with sizes shown

ondrawings. Copper lead shall have a phosphor content of not over 0.15 %. Galvanizedsteel

buried in the ground shall be protected with bitumen and Hessian wrap or polytenefaced

Hessian and bitumen coating. At road crossing necessary Hume pipes shall belaid. Earth

lead run on surface of wall or ceiling shall be fixed on saddles so that strip is atleast 8 mm

away from the wall surface.

4.6.2 The complete earthing system shall be mechanically and electrically bonded to

providean independent return path to the earth source.

Signature of the Tenderer Addl. Chief

Name (Electrical)

Company’s seal AMC

B.2 APPLICABLE STANDARDS

IS No. Description

IS: 3043-198 : Code of practice for earthing.

IS: 13947-Part I : General requirements for switch gear and-1993 control gear for voltage

not exceeding1000 Volts.

IS: 11353-1985 : Marking and arrangement of switch gearbus bars main connectors and

auxiliarywiring..

IS: 8828-1995 : Miniature Circuit Breaker.

IS: 1554-Part I : PVC insulated electric cables-1988 Heavy duty.

IS: 3961-Part II & IV : Recommended current rating-1967 for cables.

IS: 8130-1984 : Copper conductor in insulated cables andcores.

IS: 8130-1984 : Conductor for insulated electric cables

IS: 5831-1984 : PVC insulation and sheath of electriccables.

IS: 8130-1984 : Aluminum conductor for insulated cables.

IS: 11955-1987 : Recommended current rating for Cable.

IS: 732-1989 : Code of practice for electrical wiringinstallation system Voltage not

exceeding650 Volts.

IS: 1646-1997 : Code of practice for fire safety ofBuildings (general) electrical installation.

IS: 7098 (Part I, II, III) : XLPE armoured Cables up to-1988 1000V.

NOTE: All codes and standards means the latest where not specified otherwise the

installationshall generally follow the Indian Standard codes of practice or relevant British

StandardCodes of Practice in the absence of corresponding Indian Standards.

a. Indian Electricity Act of 1910 and rules issued there under revised up to date.

b. Regulations for electrical equipment in building issued by The Bombay Regional Council

of insurance Association of India.

Signature of the Tenderer Addl. Chief

Name (Electrical)

Company’s seal AMC

B.3 LIST OF APPROVED MAKE

S.N. NAME OF EQUIPMENT / MATERIAL APPROVED MAKE

1 RIGID PVC CONDUIT & ACCESSORIES PRECISION / NIHIR / AKG/ BEC/ VRAJ

2 UPVC CABLE TRUNKING / CMS PRECISION / MK / NIHIR / LEGRAND/VRAJ

3 FLEXIBLE CU. WIRES-FR/FRLS GRADE FINOLEX / POLYCAB / RRKABLE /

HAVELL’S / DARSHAN PLUS

4 ELECTRODE TYPE EARTHING ASHLOK / MAP / RAPID/AXIS

6 MCB,MCCB, RCCB / ELCB, MCB ISOLATOR SIEMENS / LEGRAND / HAVELL’S / ABB

7 CABLE GLAND COMET(COSMOS) / DOWELLS / HMI /

JAINSON /SIEMENS

8 CABLE LUGS DOWELLS / JAINSON / HEX

9 L.T CABLES FINOLEX / POLYCAB / HAVELL’S / RR

10 CEILING / EXHAUST FAN CROMPTON / ORIENT / HAVELLS/USHA

11 LIGHT FIXTURES AND TUBE ROADS CROMPTON / PHILIPS / BAJAJ / WIPRO

12 MODULAR SWITCHES, SOCKETS & LEGRAND / CRABTREE /ANCHOR / VINAY

Signature of the Tenderer Addl. Chief

Name (Electrical)

Company’s seal AMC