P/F Shot Blast Paver Block Footpath, Fixing Central Verg and other civil work at diff. Junction Girdharnagar area in Shahibaug Ward.

Name of work: - bægÍtul Ntnectd Jtuzobtk rdh^hldh rJM<thbtk ytJuj swœt swœt sk¾Nltu vhle Vwxvt&lu Ntux çjtMxuz vuJh

çjtufle Vwxvt& <ubs muLx[j Jso cltJJt <ubs rmrJjlu jd<e yLg ytlw»ttkrdf ftbdehe fhtJJtltk Jtr»tof ftb

ctc<. (yu.yth.me. xuLzh)

Tender Invited on Behalf of AMC, Central Zone.

Assistant Manager, Central Zone,

Central Zone Zonal Office”, B – Wing,

Third Floor,Sardar Patel Bhavan,

Danapith, Ahmedabad-380001.

Signature of Bidder Page 2 of

Ahmedabad Municipal Corporation

AHMEDABAD MUNICIPAL CORPORATION

Notice inviting Tender

Competent authority on behalf of Municipal Commissioner of A.M.C. invites percentage rate sealed tenders

from interested contractors for the following work at different locations within the limit of A.M.C.

1 Name of work bægÍtul Ntnectd Jtuzobtk rdh^hldh rJM<thbtk ytJuj swœt swœt sk¾Nltu vhle Vwxvt&lu

Ntux çjtMxuz vuJh çjtufle Vwxvt& <ubs muLx[j Jso cltJJt <ubs rmrJjlu jd<e yLg

ytlw»ttkrdf ftbdehe fhtJJtltk Jtr»tof ftb ctc<. (yu.yth.me. xuLzh)

2 Estimated Tender Amount Rs. 29,99,577.46 (exclusive of GST). GST will be paid extra by

AMC/Authority at prevailing rate to the contractor.

3 Tender fee Rs.1500.00

(Non refundable) (Demand Draft in favour of Municipal Commissioner, Ahmedabad)

4 Time Limit 12 Months (Excluding Monsoon)

5 Download of Tender Tenders from the website www.nprocure.com or shall be down

Documents loaded mentioned AS PER TENDER NOTICE INVITED

6 Required registration Register “E-1” class having in Road Works in PWD in Govt. R&B /

CPWD / AMC or equivalent register with any other state Govt. or

7 Earnest Money Deposit Rs.30,000.00 (Demand Draft / pay order / Bank Guarantee in favour of

(Bid security) Municipal Commissioner, Ahmedabad is to be submitted as prescribed

(1 % of Estimate put to as below. Demand Draft/Bank Guarantee shall be from approved list of

AMC of banks and the issuing branch of bank guarantee shall be of

Ahmedabad city only and it should be valid for for 180 days. ( As

Per AMC finance Dept . Circular No. 5 Dt. 5/5/2007 & F.D.

Circular No. 29 Dt. 7/8/2010 & attched ANNEXURE - 1 finance

dept.circular No-40 Dt.05/11/2020. E.M.D. shall be submitted

physically along with the Physical Submission when applicable.

8 Submission of EMD and Tender Fee & EMD should Submitted physically along with tender

Tender Fees documents as described in the invitation of tender should be

submitted to Assistant Manager- Central Zone, 3rd Floor, B – Wing,

Sardar Patel Bhavan, Danapith, Ahmedabad-380001.

Bid submitted without bid security & tender fee shall be treated as

non responsive and shall be summarily rejected.

9 Mode of sending the The whole tender shall be submitted by two modes.

Tender Documents • Whole tender shall be submitted only on www.nprocure.com

website as per Schedule mentioned in Notice inviting

• Tender Fee, EMD, technical bid and other relevant PQ Documents

as per check list given in tender shall be submitted physically in

two copies (Original & duplicate) in sealed envelope as per

Schedule mentioned in Notice inviting Tender.

10 Last date of receiving As per Notice inviting Tender / Addendum / Corrigendum.

Tenders. The tenders received after latest schedule date and time will not

be entertained under any circumstances.

11 Submission of Price Bid The Price bid shall be submitted online only. The bidder shall fill

percentage rate on amount of BOQ online only until specified.

Price Bid shall be submitted physically duly signed & seal without

mentioning quoted rated, else it shall be considered as rejected.

Signature of Bidder Page 1 of

Ahmedabad Municipal Corporation

12 Opening of Technical bid As per Notice inviting Tender / Addendum / Corrigendum.

13 Tender validity period 120 days from the last date of submission of Tender.

14 Security Deposit 5 % of Contract Value to be submitted in the form of (Demand Draft /

pay order / Bank Guarantee in favour of Municipal Commissioner,

Ahmedabad. Bank Guarantee shall be from approved list of AMC of

banks as per attched ANNEXURE - 1 finance dept. latest circular.

and the issuing branch of bank guarantee shall be of Ahmedabad City

only. The validity of the Security Deposit shall be up to valid till

days beyond Date of completion of work.

The Security Deposit shall be payable in 10 days (for tenders upto

Rs.10.0 Lacs) or 15 days (for tenders of Rs.10.0 Lacs and above) from

date of receipt of LOI failing which interest @ 4% per annum will be

charged by AMC.

15 Deductions from Running

a. Retention Money 2 % amount of each Running Bill shall be deducted as a Retention

Money. Such retention money shall be released in the final bill of the

b. Labour welfare cess Labour welfare cess as per the Act, 1996 (non refundable) shall be

deducted from each running bill.

16 Defect & Liability Period Not applicable in this case. If applicable than refer condition of

contract attached over rule as per form B-1 published by Government.

17 Compansation for Delay 10 % of the actual balance work after Time limit expired.

• All the circulars which were published by Authorities of AMC time by time will be applicable on said

Tender and bound to bidder with out any condition.

• Conditional tenders will not be accepted in any case. Municipal Commissioner reserves the rights to

reject any or all the tenders without assigning any reasons thereof.

• The authorized signatory holding Power of Attorney shall only be the Digital Signatory. In case

authorized signatory holding Power of Attorney and Digital Signatory are not the same, the bid shall

be considered non-responsive.

Seal and Signature of the Bidder Additional City Engineer

Date: Ahmedabad Municipal Corporation

Signature of Bidder Page 2 of

Ahmedabad Municipal Corporation

(On contractor’s Letter Head / certified with Stamp and Sign with Contact Detail)

TENDER DECLARATION FORM

Additional City Engineer

Ahmedabad Municipal Corporation,

Name of Work:- bægÍtul Ntnectd Jtuzobtk rdh^hldh rJM<thbtk ytJuj swœt swœt sk¾Nltu vhle Vwxvt&lu Ntux çjtMxuz vuJh çjtufle Vwxvt&

<ubs muLx[j Jso cltJJt <ubs rmrJjlu jd<e yLg ytlw»ttkrdf ftbdehe fhtJJtltk Jtr»tof ftb ctc<. (yu.yth.me.

I/We the undersigned have carefully gone through and clearly understood the Tender documents of above

mentioned project comprising of Notice Inviting tenders, Articles of Agreement, Scope of work, Definition of

terms, notes Instructions/Information to Bidder, Condition of Contract, special condition of contract,

Appendices, Specifications, Bill of Quantities, furnished by AHMEDABAD MUNICIPAL CORPORATION.

I/We do hereby offer to execute and complete the whole of the work within the time specified all in

accordance with the specification, designs, drawing and instruction in writing referred to in the said

document and with such materials as mentioned for, at the respective rates which I/we have quoted in the

Price Bid or at such other rates as may be fixed under the provisions of these conditions.

In the event of this tender being accepted I/We agree to enter into an agreement and when required,

execute the contract, according to your form 1 of agreement as or in default where of I/we bound

myself/ourselves to forfeit the "Earnest Money Deposit."

I/We understand that if I/We shall not enter in agreement within fifteen days or as decided by AMC

from the date of receipt of letter of acceptance, you will forfeit the earnest money paid by me/us and take

necessary action as deemed fit.

I/We have enclosed a Demand Draft / Bank Guarantee as an “Earnest Money Deposit", for the sum as

mentioned in NIT, the full value of which is to be absolutely forfeited to the Employer If I/We fail to

commence the work specified. Otherwise the Employer shall retain the said sum, as on account of such

Security Deposit as provided for in the aforesaid documents.

I/We agree not to employ sub-contractors other than those that may be approved in accordance with

conditions in the aforesaid documents.

I/We understand that Municipal Commissioner is not bound to accept the lowest or any tender,

which are received. I / We also understand & agree that Municipal Commissioner Reserves the right to allot

number of tenders to successful bidders at his sole discretion in case if I / We am/are lowest in more than one

I/We am/are bound to execute the job if the work order is issued within 120 days from the date of

opening of the tender.

I am bound to execute the work by maintaining all Quality aspects/parameters mentioned in the

tender terms and conditions. I am also bound to submit all supporting Genuine Original documents as and

when asked and if any discrepancy found in such documents as well as in the executed Work with respect to

Quality/Quantity at any stage of work or even after completion of work, it will be solely my Responsibility. I

am bound to prove originality of all documents submitted by me and if any Documents found false/fake then

Municipal Commissioner/AMC has right to take any action/penalty/punishment against me.

Signature of Bidder Page 3 of

Ahmedabad Municipal Corporation

I am also bound that if I/we, indulged into any malpractice and/or used any inferior quality and/or the

construction of road is found to be of an inferior quality under this contract than in such case Municipal

Commissioner/AMC has right to debar/ blacklist permanently.

I/We agree to pay the Government income-Tax, GST/Sales-Tax (Central and State), Octroi duties,

Royalty on material (i.e. Aggregate, Sand etc.) And any other taxes prevailing and from time to time on such

items on which the same are leviable and the rates quoted by me/us are inclusive of the same.

Yours faithfully

Seal and Sign of Contractor

Signature of Bidder Page 4 of

Ahmedabad Municipal Corporation

INSTRUCTIONS TO BIDDERS

1. Scope of Bid

1.1 Competent authority on behalf of The Municipal Commissioner, Ahmedabad Municipal Corporation

(referred to as Employer in these documents) invites sealed bids for the construction of works (as

defined in these documents and referred to as “the work”) detailed in the table given in the Invitation

for Bid (hereinafter called as IFB.) from competent bidder. The bidders may submit bids for the works

detailed in the table given in IFB.

2.0 Source of Funds

Ahmedabad Municipal Corporation has arranged the fund for this project.

3.0 Eligible Bidders

3.1 The Invitation for Bids is open to all eligible bidders meeting the eligibility criteria as defined in this

3.2 All bidders shall provide Qualification Information and Forms of Bid mentioned in the Clause-14. An

agency that has been engaged by the Employer to provide consulting services for the preparation or

supervision of the works, and any of its affiliates, shall not be eligible to bid.

3.3 Any entity which has been declared as non-performing by NHAI / GoG / AMC or the firms those are

blacklisted/ debarred for specified period by AMC, Governement of Gujarat, Government of India or

any other entity controlled by it, would not be eligible to submit the Bid.

4.0 Qualification of the Bidder

4.1 Requires registration:- Register as per Notice Inviting Tender having in Road Works in PWD in Govt.

R&B / CPWD / AMC or equivalent register with any other state Govt. or institutions.

5.0 DISQUALIFICATION

Even though the bidders meet the above mentioned qualifying criteria, they are subject to be

disqualified if they have,

• Made misleading or false representations in the forms, statements, affidavits and attachments

submitted in proof of the qualification requirements; and/or

• Record of poor performance such as abandoning the works, not properly completing the contract,

inordinate delays in completion, litigation history, or financial failures etc. or debarring from AMC

• Tampered the bid document in any manner.

• Colluded with other prospective bidders for this work to arrive at quoted prices for the purpose of

restricting competition.

• Indulged in inducement of any official of AMC and/or their consulting engineer and other advisors

in any manner whatsoever.

• Proposal not submitted in accordance with this tender.

• During validity of the proposal, or its extended period, if any, the bidder changes his commercial

• The bidder qualifies the proposal with his own conditions.

• Proposal is received after due date and time.

• Commercial proposal is enclosed with the same envelope as technical proposal

• The envelope does not show on the outside the reference of bid and thus gets opened before

the due date of opening.

• The E.M.D. is not deposited in full and in the manner as specified in the clause of Earnest

Signature of Bidder Page 5 of

Ahmedabad Municipal Corporation

• The tender is in a language other than English or dose not contains its English Translation in

case of other language adopted for tender preparation.

• The tender documents received are not duly signed by authorized person.

• The validity of tender is less than what is stated in the tender.

• Any of the page or pages of tender is/are removed or replaced.

• Any condition which affect the cost.

• If it is joint venture.

5.1 Debarment / Black listing

Notwithstanding the above, the Employer may debar or blacklist any of the bidder(s) for their

misleading or false representations in the forms statements etc. for the period to be decided

by the Employer.

6.0 Cost of Bidding

The bidder shall bear all costs associated with the preparation and submission of his Bid. Employer

will in no case be responsible and liable for those costs.

The Bidder, at his own cost, responsibility and risk, is encouraged to visit, examine and familiarize

himself with the site of Works and its surroundings including source of earth, water, road aggregates

etc. and obtain all information that may be necessary for preparing the Bid and entering into a

contract for construction of the Works. The costs of visiting the Site shall be at the Bidder's own

8.0 Bidders shall not have any dispute or claim for any kind of compensation in case of,

• If the quantity stipulated in the tender items varies or the scope of work changes and thereby total

amount of work increases / decreases up to any extent.

• If the works gets delayed / postponed for some administrative / technical decision whatsoever.

• If the items stipulated in the tender shall not be executed as per site condition/ requirements. No

claim shall be entertained for the same.

• No idle charges shall be paid to contractor for machinery and man power if remain idle and no claim

shall be entertained for the same.

B. BIDDING DOCUMENTS

9.0 Content of Bidding Documents

9.1 The set of bidding documents comprises the documents listed below and addendum (if any) issued.

1. Notice inviting e-Tender

2. Special conditions of Contract

3. Instructions to Bidders

4. Qualification Information

5. Conditions of Contract

6. Technical Specifications

7. Forms of Bid

8. Bill of Quantities

• The bidder is expected to examine carefully all instructions, conditions of contract, contract data,

forms, terms, technical specifications, forms, Annexes in the bid document. Failure to comply with the

requirements of bid documents shall be at the bidder’s own risk. Bids which are not substantially

responsive to the requirements of the bid documents shall be rejected.

10.0 Amendment of Bidding Documents

10.1 Before the deadline for submission of bids, the Employer may modify the bidding documents by

issuing addendum.

Signature of Bidder Page 6 of

Ahmedabad Municipal Corporation

10.2 Any addendum thus issued shall be part of the bidding documents and shall be placed on website

www.nprocure.com The prospective bidder shall refer to website to check any addendum before

hours of opening of bids. AMC will not give any advertisement for the same.

10.3 To give prospective bidders reasonable time in which to take an addendum into account in preparing

their bids, the Employer may, at his desecration, extend as necessary the deadline for submission of

10.4 Prospective bidders should attach the addendum made for the work & if fails to do so than also the

changes made through such addendum shall be applicable & bound to the bidder.

C PREPARATION OF BIDS

11.0 Language of the Bid

All documents relating to the bid shall be in the English language only.

12.0 Documents comprising bid

The e bid submitted by the bidder shall be in two separate parts.

• Technical Bid

• Financial Bid

To qualify for award of the contract, each bidder must submit the following documents along with

• Required Registration Certificate

• Other requested documents

• Any other material / information required to be submitted in accordance with these

Instructions to Bidders (ITB)

Failure to submit these certificates/documents shall make the bid non-responsive.

Above original documents in physical form in two copies, one marked as “original” and other marked

as “Duplicate”, shall be submitted in a sealed envelope by 18:00 Hrs on the date of physical

submission of bid and addressed to the addressee given in the NIT duly super scribed “Name of Work,

Bid due date and time, Name and address of the bidder”

13.0 Bid Prices

• The contract shall be for the whole works as described in Bill of Quantity based on the percentage

rate in the Bill of Quantities submitted by the bidder..

• All duties, taxes, and other levies payable by the contractor under the contract, or for any other cause

shall be included in the rates, prices and total Bid Price submitted by the Bidder, except otherwise

stated in the Bid document. Employer will not compensate the bidder (contractor) for any change

in duties, taxes and other levies payable by the contractor under the contract and any other reasons.

• The percentage rate and bid price quoted by the bidder shall be fixed up to the completion of Work

and shall not be subject to adjustment on any account, except where expressly specified, otherwise,

in the contract.

14.0 Currencies of Bid and Payment

The currency of bid and payment shall be in Indian Rupees. All payments shall be made in Indian

15.0 Bid Validity

15.1 Bids shall remain valid for 120 days from last date of submission of tender. A bid valid for a shorter

period shall be rejected by the Employer as non-responsive.

Signature of Bidder Page 7 of

Ahmedabad Municipal Corporation

15.2 In exceptional circumstances, prior to expiry of the bid validity (120 days), the Employer may request

that the bidders may extend the period of validity for a specified additional period. The request and

the bidders' responses shall be made in writing or by cable. A bidder may refuse the request without

forfeiting his bid security. A bidder agreeing to the request will not be required or permitted to

modify his bid, but will be required to extend the validity of his bid security for a period of the

16.0 Earnest Money / Bid Security

16.1 The Bidder shall furnish, a Bid Security of the amount as shown in the Table of IFB as part of his bid, in

the form of Demand Draft / pay order / Bank Guarantee in favour of Municipal Commissioner,

Ahmedabad valid for 120 days.

16.2 The issuing branch of the bank guarantee shall be of Ahmedabad City only

Signature of Bidder Page 8 of

Ahmedabad Municipal Corporation

Signature of Bidder Page 9 of

Ahmedabad Municipal Corporation

Signature of Bidder Page 10 of

Ahmedabad Municipal Corporation

16.3 Any bid not accompanied by an acceptable Bid Security shall be rejected by the Employer as non-

16.4 Any bid having bid security for lesser value and shorter validity period shall be treated as non-

16.5 (a) The bid security of the unsuccessful bidders, except for L1, L2 and L3 bidders will be returned as

promptly as possible.

(b) The bid security of the successful bidder, along with second and third lowest tenders, will be

returned when the successful bidder has furnished the required security deposit and signed

16.6 The Bid Security of the Successful Bidder will be discharged when the bidder has signed the

Agreement and furnished the required security deposit.

16.7 The Bid Security shall be forfeited,

a) if the Bidder withdraws the Bid after Bid opening during the period of Bid validity;

b) in the case of a successful Bidder, if the Bidder fails within the specified time limit to

(i) sign the Agreement; or

(ii) Furnish the required security deposit.

(iii) commence the work after signing the agreement within 15 days

16.8 No interest shall be paid by the owner on any tender guarantee. The issuing branch of the bank

guarantee shall be of Ahmedabad City only.

16.9 Bank Guarantee for Earnest Money Deposit should be executed on non-judicial Stamp papers of

requisite value in accordance with the stamp Act applicable to that particular state of Indian Union,

where executed.

16.10 The executing officers of the bank Guarantee for Earnest Money Bid Security shall clearly indicate in

(block letters) his name, designation, Power of Attorney No. / Signing Power No. etc.

16.11 Each page of the bank guarantee for Earnest Money Deposit shall be duly signed/initialed by the

executing officers and the last page shall be signed in full, indicating the particulars as aforesaid under

the seal of the Bank.

D. SUBMISSION OF BIDS

17.0 Sealing and Marking of Bids

17.1 The bidder shall submit the Technical Bid only. The Bid shall be sealed in separate envelopes and the

three sealed envelopes shall be sealed in an outer envelope. The Bid envelopes shall be marked as

• Complete Tender Document with all necessary qualification related documents (in two copy)

Above two envelopes shall be kept in one envelope and it should be marked as “Technical Bid” and

sealed. This Outer envelope should mention the name of firm of bidder, his address, contact details &

name of the work.

17.2 The inner and outer envelopes

a) Shall be addressed to the Employer at the following address:

Assistant Manager- Central Zone,

3rd Floor, B – Wing, Sardar Patel Bhavan,

Signature of Bidder Page 11 of

Ahmedabad Municipal Corporation

Danapith, Ahmedabad-380001.

c) Bear the following identification:

Indicate the name and address of the bidder.

• If the outer envelope is not sealed and marked as above, the Employer will assume no responsibility

for the misplacement or premature opening of the bid.

18.0 DEADLINE FOR SUBMISSION OF THE BID

18.1 Complete Bids (including Technical bid and necessary documents) must be received by the Employer

at the address specified in bid information not later than the date indicated on the face sheet of the

document. In the event of the specified date for the submission of bids declared a holiday for the

Employer, the Bids will be received up to the appointed time on the next working day. The Bidder is

further required to submit Documents in Physical Form on or before the Bid Due Date and before the

time of submission as specified in NIT, at the following address:

Assistant Manager- Central Zone,

3rd Floor, B – Wing, Sardar Patel Bhavan,

Danapith, Ahmedabad-380001.

18.2 AMC assumes no responsibility for inability of a bidder to submit bids through (n) procure e-tendering

portal on account of delay in submission at bidder's end. Bidder shall ensure that they submit the bid

well before the "Due Date & Time of Bid- Submission". AMC shall not be responsible if bidder is not

able to submit the bid on account of failure in network/internet connection or any other technical

18.3 The Employer may extend the deadline for submission of bids by issuing an amendment in

accordance with respective Clause, in which case all rights and obligations of the Employer and the

bidders previously subject to the original deadline will then be subject to the new deadline.

18.4 All bidders are requested to see the website of (n) procure for amendment / corrigendum if any.

18.5 Any Bid received by the Employer after the deadline prescribed in NIT will be rejected and returned

unopened to the bidder.

Any Bid received by the Employer after the deadline prescribed in NIT will be returned unopened to

20.0 NOTIFICATION OF AWARD & SIGNING OF AGREEMENT

The Bidder whose Bid has been accepted will be notified of the award by the Employer prior to

expiration of the Bid validity period by writing, facsimile or e-mail confirmed by registered letter. This

letter (hereinafter and in the Conditions of Contract called the “Letter of Acceptance” will state the

sum that the Employer will pay the Contractor in consideration of the execution, completion, and

maintenance of the Works by the Contractor as prescribed by the Contract (hereinafter and in the

Contract called the “Contract Price”).

The notification of award will constitute the formation of the Contract, subject only to the furnishing

of a Security Deposit in accordance with the provisions of Clause.

The agreement will incorporate all correspondences between the Employer and the Successful

Bidder. It will be signed by the Employer and the Successful Bidder.

21.0 SIGNING OF CONTRACT AGREEMENT

21.1 The Employer and the successful bidder shall enter into a Contract Agreement within 28 days after

the successful bidder (hereinafter called the Contractor) receives the Letter of Acceptance, unless

they agree otherwise, subject to furnishing the security deposit before signing the Agreement with

Signature of Bidder Page 12 of

Ahmedabad Municipal Corporation

21.2 Upon issue of ‘Letter of Acceptance’ to the successful Bidder, the Employer will promptly notify the

other Bidders that their Bids have been unsuccessful and release their Earnest Money Deposit / Bid

22.0 SECURITY DEPOSIT

22.1 Within 15 days of receipt of the Letter of Acceptance, the Successful Bidder shall deliver to the

Employer a security deposit in the form of Bank Guarantee for an amount equivalent to 3% of the

Contract Price valid for the period of valid till 90 days beyond Date of completion of work. The

Security Deposit shall be payable in 10 days (for tenders upto Rs.10.0 Lacs) or 15 days (for tenders of

Rs.10.0 Lacs and above)from date of receipt of LOA failing which interest @ 4% per annum will be

charged by AMC.

22.2 The security deposit shall be in the form of a Bank Guarantee in the name of the Employer, from

Ahmedabad branch of any Banks mentioned in the clause no. 16.2 of these tender documents.

22.3 This security deposit shall be released only after the clearance of final bill including pre & post Audit.

22.3 Interest @ 4 % per annum shall be deducted from contractor in case of late submission of security

deposit or late renewal of bank guarantee for the number of days delayed for submission or

discontinuity of the bank guarantee.

22.4 Bank Guarantee to be submitted in the prescribed format enclosed and shall be same verbatim as per

the format. Bank Guarantee shall be submitted on right value of stamp paper and for correct value of

22.5 Failure of the Successful Bidder to comply with the requirements of Sub-Clause 22.1 shall constitute

sufficient grounds for cancellation of the award and forfeiture of the Bid Security.

22.6 In case of any contract amendment during execution of the contract enhancing value of the contract

the BG value shall be enhanced accordingly. Validity of BG shall be commercial terms and conditions

22.7 All compensation or other sums of money payable by the Contractor to the Employer under the terms

of this Contract or any other contract or on any other account whatsoever may be deducted from

Security Deposit. Also in the event of the Contractor's Security Deposit being reduced by reasons of

such deductions, as aforesaid, the Contractor shall, within 14 days of receipt of notice of demand

from the Engineer-in-Charge, make good the deficit in Security Deposit.

22.8 Should there arise any occasion under the Contract due to which the periods of validities of Bank

Guarantees as may have been furnished by the Contractor from time to time, are required to be

extended/renewed, the Contractor shall get the validity periods of such guarantees

extended/renewed, and furnish these to the Engineer-in- Charge one month before the expiry date of

the aforesaid Guarantees originally furnished failing which the existing Bank Guarantees shall be

invoked by the Engineer – in – charge. Also in case of any deficit in securities on any account as might

occur or is noticed, the Contractor shall forthwith recoup/replace the same with acceptable Security

22.9 The Bank Guarantee shall be extended within the expiry dates wherever activities as per contract are

not completed in all respects.

22.10 The Security Deposit less any amount due shall, on demand, be returned to the contractor after

days of completion date / Final Bill paid date which ever is later. No interest on the amount of

Security Deposit shall be paid to the Contractor at the time of release of Security Deposit as stated

22.11 The successful bidder to whom ‘LOA’ has been issued shall enter into an agreement at Employer’s

office within 15 days of LOA.

23.0 Advance Payment and Security

The Employer will not provide any advance payment.

Signature of Bidder Page 13 of

Ahmedabad Municipal Corporation

24.0 Dispute Review Expert

In case of all the disputes, decision of the Municipal Commissioner, Ahmedabad shall be final and

binding to the bidder.

25.0 LITIGATION HISTORY

The applicant should provide accurate information on litigation and/or arbitration resulting from

Contractors completed or under execution by him over last five years. If the details of Litigation

History are hidden by the Bidder and later on it comes to the knowledge of the Employer, the Bidder

shall be disqualified for the proposed work and other appropriate actions shall be taken against the

DETAILS OF COMPLETED / ONGOING LITIGATION / ARBITRATION

Employer Value of the Reasons/Details for Remarks showing

Year Name of Project (Rs.) litigation/arbitration Present Status

 The bidder shall furnish separate table for individual project.

 The above information shall be supported with necessary documents otherwise the same shall be

treat as null and void.

 A consistent history of arbitration awards? Judgments against the applicants or any partner of a joint

venture may result in disqualification for proposed work.

 If the details of litigation History is hidden by the applicant and later on it comes to knowledge of the

employer the bidder shall be disqualified for the proposed work and other appropriate actions shall

be taken against the bidder.

Seal and Signature of the Bidder Additional City Engineer

Date: Ahmedabad Municipal Corporation

Signature of Bidder Page 14 of

Ahmedabad Municipal Corporation

GENERAL CONDITIONS OF CONTRACT

1.0 Liquidated Damages

1.1 If the Contractor fails to complete the works within the original or extended time limit, the Contractor

shall pay penalty of 10% of amount of actual remaining work. The amount of work for which the

scope of contractor is reduced shall not be considered for the calculation of Liquidated Damages.

1.2 Conditions mentioned in the AMC Finance Department Circular AMC no. 18 Date: 23/05/2017 and all

latest Circulars shall be applicable.

2.0 Retention Money

2 % amount of each Running Bill shall be deducted as a Retention Money. Such retention money shall

be released in the final bill of the said work. AMC reserves right to deduct any amount to compensate

the poor performance of the contractor i.e. poor quality or abandoned / incomplete work.

3.0 Subcontracting

3.1 Except where expressly specified in the Contract, the Contractor shall not subcontract any portion of

Work without the approval of the Employer’s Representative. Any subcontracting shall not relieve the

Contractor from any contractual obligations or responsibility under the Contract.

3.2 The Contractor shall not be required to obtain consent for a subcontract for which the name of the

subcontractor and scope of works activities to be performed by him is already stated in the contract

or supply of material or engagement of labour.

4.1 The Contractor shall employ the key personnel named in the Schedule of Key Personnel as referred to in

the Bid document to carry out the functions stated in the Schedule or other personnel approved by

the Engineer. The Engineer will approve any proposed replacement of key personnel only if their

qualifications, abilities, and relevant experience are substantially equal to or better than those of the

personnel listed in the Schedule.

4.2 If the Engineer asks the Contractor to remove a person, without assigning reasons thereof, for his

misconduct or inadequacy of technical skills and experience, who is a member of the Contractor’s

staff or his work force, the Contractor shall ensure that the person leaves the Site within seven days

and has no further connection with the work in the Contract.

4.3 No residential accommodation is allowed at the site of work. The labour huts shall not be erected on the

site of work and contractor shall make his own arrangements to provide such accommodations as per

the rules of the local bodies. He shall make his own arrangements for housing, stores, field office etc.

He shall submit a site layout plan indicating the location of various site facilities to be created by him

at his cost for the execution of work. The Owner shall in no way be responsible for any delay on this

account and no claim on this account whatsoever shall be entertained. All Basic amenities shall be

provided by the Contractor to Labours as per the prevailing labour Laws.

5.1 The Contractor shall have full regard throughout execution, completion and defects liability period to

following safety aspects and shall take all necessary steps to ensure that danger to safety is avoided

all the time in respect of,

Safety of the works

• Safety of the Contractor’s employees and all the persons directly or indirectly engaged by him

• Safety of all the employees including persons working on other contracts of Employer at the

same site of the Employer and Engineers employees engaged at work site.

• Any authorized third party persons on the site.

Signature of Bidder Page 15 of

Ahmedabad Municipal Corporation

• Contractor’s plant and equipment

5.2 The Contractor shall provide and maintain at his costs all lights, guards, fencing, warning signs,

barricading, and cones; when and where necessary, or required by Engineer in Charge or by any duly

constituted authority for the protection of the works or for the safety and convenience of the public

5.3 The Contractor shall take all reasonable steps to protect the environment on and off the site and

avoid damage or nuisance to persons or property of the public and others arising as a consequence of

his method of operation.

5.4 The Contractor shall maintain in good condition all work throughout execution, completion, and

defects liability period. The contractor shall be responsible for and to make good all injuries, damages

and repairs, rendered necessary by fire, rain, traffic, floods or other causes.

5.5 All the scaffolding work, wherever required for the execution of work, shall be provided by the

contractor. Nothing extra shall be payable on this account. It shall be provided strictly with double

scaffolding system with all the accessories etc. with adjustable suitable working platforms to access

the areas, with ease for working and inspection. It shall be designed to take all incidental loads. It

should cater to the safety features for workmen. It shall be ensured that no damage is caused to any

structure due to scaffolding.

5.6 All temporary warning/ caution boards display shall be provided and displayed during day as well as

night time by the contractor, wherever required and as directed by the Engineer.

5.7 Arrangement of temporary water and electricity and telephone connection required, by him, shall be

made by the Contractor at his own cost and also necessary permissions directly from relevant Owners

shall be obtained by him under intimation to the Owner. Also all initial and running charges and

security deposit, if any in this regard shall be borne by him. The Contractor shall abide by all the rules/

bye laws applicable in this regard and he shall be solely responsible for any penalty on account of

violation of any of the rules and byelaws in this regard.

5.8 In any case if any fatal accident (major or minor) occurs due to poor safety precautions, the same

shall be completely contractor’s responsibility. All the losses due to such accidents and expenses of

legal matters shall be borne by contractor.

5.9 The Contractor shall be responsible for maintenance and watch and ward of the complete installation

and shall also be responsible for any pilferage, theft, damage, penalty etc. in this regard. The

Contractor shall indemnify the Owner against any claim arising out of pilferage / theft, damage,

penalty etc. whatsoever on this account.

5.10 The Contractor shall depute Site Engineer & skilled workers as required for the work. Necessary

protective and safety equipments shall be provided to them by the Contractor at his own cost and

6.0 Contractor to keep site clean:

During the execution of the work, the Contractor shall keep the site clean. All wreckage rubbish,

excess materials, temporary works no longer required will be removed from site immediately.

7.0 Clearance of site on completion:

The Contractor shall clear away and remove all Contractors equipment, surplus materials, rubbish,

temporary works of every kind.

A. COST CONTROL

8.0 Bill of Quantities

a. The schedule-B shall contain Memorandum showing items for the construction, installation,

testing, and commissioning work to be done by the Contractor.

Signature of Bidder Page 16 of

Ahmedabad Municipal Corporation

b. The quantities stated in the schedule B are estimated quantities. The Contractor shall be paid only

quantities calculated after taking measurements of executed work. The rate stated in the

schedule B for each item of work shall apply. The works shall be measured by the Contractor

jointly with the authorized representative of the Engineer and all particulars required by the

representative of the Engineer shall be supplied by the contractor.

c. The work shall be measured net. No allowance for general or local custom, working space etc. is

9.1 The Engineer in Charge shall have power to make any variation of form, quality or quantity of the

works or any part thereof that may, in his opinion, be necessary and for that purpose, or if for any

other reason it shall, in his opinion, be appropriate, he shall have the authority to instruct the

Contractor to do and the Contractor shall do any of the following:

 Increase or decrease the quantity of any work up to any extent included in the contract,

 Omit any such work,

 Change the character or quality or kind of any such work,

 Execute additional work of any kind necessary for the completion of the Works or

 Change any specified sequence or timing of construction of any part of work.

9.2 No such variation shall in any way vitiate or invalidate the contract, but the effects, if any, of all such

variations shall be valued in accordance with the following sub clauses. Provided that where the issue

of an instruction to vary the Works is necessitated by some default or breach of contract by

contractor or for which he is responsible, any additional cost attributable to such default shall be

borne by the Contractor.

9.3 The Contractor shall not make any such variation without an instruction of the Engineer. No

instruction is required for quantities varying from those provided for the items in the contract

10.1 The basis for the valuation of variations for addition to the Contract Price shall be as follows in the

same order of priority.

a) Variations in the quantities of work in schedule of quantities shall not vitiate the contract.

b) The contractor shall be bound to execute extra items of work as directed by the Engineer-in-

c) Contract unit rates for individual items shall apply to varied quantities where there is a quantity

d) The price variations on extra item will not be given.

e) In case of other non tender items following procedure shall apply.

10.2 If any extra item crops up during the progress of work the same shall be carried out by the Contractor

and he shall be paid at the rate fixed by Employer which shall be fixed as lowest of the rates derived

by rate analysis based on the following three methods. , the priority of the documents forming the

Contract shall be as follows:

(i) If the extra item is included in the S.O.R. of Road & Building Department, Year 2013-14, the rate

of extra item shall be that rate and premium (above or below) quoted by contractor.

(ii) Rate analysis based on prevailing Govt. of Gujarat’s SOR rates.

(iii) Rate analysis based on current market rates. This shall be based on

 The material costs, the labour costs, the cost of use of all plant, machinery and equipment,

the cost of all temporary and incidental works, the overheads and the Contractors profit.

 The overheads shall be taken at 5 % of the sum of material costs, the labour costs, the cost of

use of all plant, machinery, and equipment, the cost of all temporary and incidental works.

10.3 In case of the rate is to be derived from prevailing market rate, the Contractors profit shall be taken at

10 % of the final rate derived.

Signature of Bidder Page 17 of

Ahmedabad Municipal Corporation

10.4 In the event of disagreement, the Engineer in Charge shall fix such rates and prices as are, in his

opinion appropriate and shall notify the Contractor accordingly with a copy to the Employer.

10.5 The Engineer shall determine provisional rates and prices to enable on account payments to be

included in the Interim Payment Certificates, until rates and prices are agreed as final by the

Employer, the Contractor, and the Engineer.

10.6 The Contractor shall not be entitled to additional payment for costs, which could have been avoided

by giving early warning.

11.1 Payments shall be adjusted for deductions for advance payments, retention, other recoveries in terms

of the contract and taxes at source, as applicable under the law. The Employer shall pay the

Contractor the amounts certified by the Engineer.

11.2 If an amount certified is increased in a later date certificate due to corrections in previous certificates

or as a result of an award from disputes review experts, Contractor shall be paid such amount only.

The Contractor shall not be paid any interest upon such delayed payment.

11.3 Items of the work for which no rate or price has been entered in will not be paid for by the Employer

and shall be deemed covered by other rates and prices in the Contract.

11.4 All payments shall be made in Ahmedabad.

12 Taxes and duties

12.1 The rates are inclusive of all the prevailing taxes and duties of the Central, State and Local Governing

bodies prevailing on the date of award of the contract. The Contractor will have to pay all such taxes

and duties for the performance of this Contract. The Employer will deduct from the Contractor’s

monthly and other payments all taxes and duties, which he is bound to recover in accordance with

the applicable law.

12.2 The Contractor shall keep himself fully informed of all acts and laws of the Central & State and local

Governing bodies, all orders, decrees of bodies, tribunals having any jurisdiction or authority which in

any manner affect those engaged or employed, and anything related to carrying out the work. All the

bye-laws lay down by AMC/AUDA and any other local bodies while executing the work shall be

adhered to. All taxes of local bodies shall be borne by the contractor. The Contractor shall arrange to

give all notices required by any authority and to pay to such authority all the fees that may have to be

paid for the material, plants, equipments etc. The Contractor shall also adhere to all traffic restrictions

notified by the local authorities. He shall protect and indemnify the Owner and its officials &

employees against any claim or liability arising out of violations of any such laws, ordinances, orders,

decree, whether by himself or by his employees or his authorized representatives. Nothing extra shall

be payable on these accounts.

13.0 Labour Welfare Cess

As per circular No. GHR/2005/04/CWA/2004/841/M-3 dt. 3/1/05 and G.R. No. CWA/2004-1831-M(3)

dt. 9/12/05 issued by G.O.G. (non-refundable) shall be deducted from every bills which shall be

deposited to Govt. Labour Department for Labour welfare fund.

14.0 Currencies

All payments shall be made in Indian Rupees.

15.0 Advance Payment

No Advance Payment shall be made.

16.0 Cost of Repairs

Loss or damage to the Works or Materials to be incorporated in the Works between the Start Date

and the end of the Defects Correction periods shall be remedied by the Contractor at the Contractor's

cost if the loss or damage arises from the Contractor's acts or omissions.

Signature of Bidder Page 18 of

Ahmedabad Municipal Corporation

B. FINISHING THE CONTRACT

17.0 Completion

The Contractor shall request the Engineer to issue a Certificate of Completion of the Works and the

Engineer will do so upon deciding that the Work is completed.

18.0 Termination

18.1 The Employer shall be entitled to terminate the contract if the contractor:

(a) Fails to carry out any obligation under the contract.

(b) Without reasonable excuse fails –

1. To commence the works on site within the period stated in the Appendix to Bid after receipt

by him of a Notice to this effect from the Engineer/Employer after signing the agreement or

2. To proceed with the works, or any section thereof, within 28 days after received notice

3. Has failed to comply with a notice issued or an instruction issued within 28 days after having

4. Abandons the works or otherwise plainly demonstrates the intention not to continue

performance of his obligation under the contract.

5. Sub-contracts the works or assigns the contract without the specific prior written permission

of the engineer.

6. Has failed to furnish the required securities or extension thereof in terms of the contract.

7. Becomes bankrupt or insolvent, goes into liquidation, has a receiving or administration order

made against him, compounds with his creditors, or carries on business under receive, trustee

or manager for the benefit of his creditors, or if any act is done or event occurs which (under

applicable Laws) has a similar effect to any of these acts of event.

18.2 In any of these events or circumstances, the Employer may, upon giving 14 days notice to the

contractor, terminate the contract and expel the contractor from the site. However, in the case of

sub-paragraphs (h), the Employer may be notice terminate the contract immediately.

18.3 The Employer’s decision to terminate the contract shall not prejudice any other rights of the

Employer, under the contract or otherwise.

18.4 After termination, the Employer may complete the works and/or arrange for any other entities to do

so. The Employer and these entities may then use any goods, contractor’s documents and other

design documents made by or on behalf of the contractor.

18.5 The Employer or the Contractor may terminate the Contract if the other party causes a fundamental

breach of the Contract.

18.6 Fundamental breaches of Contract include, but shall not be limited to the following:

(a) the Contractor stops work for 14 days when no stoppage of work is shown on the current

Program and the stoppage has not been authorized by the Engineer;

(b) the Employer or the Contractor is made bankrupt or goes into liquidation other than for a

reconstruction or amalgamation;

(c) The contractor fails to fulfill requirements;

(d) the Engineer gives Notice that failure to correct a particular Defect is a fundamental breach of

Contract and the Contractor fails to correct it within a reasonable period of time determined by

(e) the Contractor does not maintain a security which is required;

(f) the Contractor has delayed the completion of works by the number of days for which the

maximum amount of liquidated damages becomes payable as defined in the Contract data;

(g) if the Contractor, in the judgment of the Employer has engaged in corrupt or fraudulent practices

in competing for or in the executing the Contract.

(h) For the purpose of this paragraph: “corrupt practice” means the offering, giving, receiving or

soliciting of anything of value to influence the action of a public official in the procurement

process or in contract execution. “Fraudulent practice” means a misrepresentation of facts in

order to influence a procurement process or the execution of a contract to the detriment of the

Borrower, and includes collusive practice among Bidders (prior to or after bid submission)

Signature of Bidder Page 19 of

Ahmedabad Municipal Corporation

designed to establish bid prices at artificial non-competitive levels and to deprive the Borrower of

the benefits of free and open competition.”

18.7 When either party to the Contract gives notice of a breach of contract to the Engineer for a cause

other than those listed above, the Engineer shall decide whether the breach is fundamental or not.

18.8 Notwithstanding the above, the Employer may terminate the Contract for convenience.

18.9 If the Contract is terminated the Contractor shall stop work immediately, make the Site safe and

secure and leave the Site as soon as reasonably possible and handover the site to the Employer

including all materials and plant and equipment existing there upon.

19.0 Contractor's own responsibility

The contractor is to set out and level the works and will be responsible for the accuracy of the same.

He shall also be responsible for the correctness of the positions, levels, dimensions, and alignment of

all parts of the structures as per instructions given to him. If at any time any error shall appear during

the progress of any part of the work, the contractor shall at his own expense rectify such error if called

upon to the satisfaction of the Engineer in charge.

20.0 Overpayment & Underpayment

20.1 Whenever any claim Fifths payment of a sum to the Municipal Corporation arises out of or under this

Contract against the contractor the same may be deducted by the Municipal Corporation from any

sum then due or which at any time thereafter may become due to the contractor under this contract

and failing that under any other contract with the Municipal Corporation or from any sum due to the

contractor with the Municipal Corporation (which may be available with Municipal Corporation), or

from his retention money, or he shall pay the claim on demand. The Municipal Corporation reserves

the right to carry out post payment audit and technical examination of the final bill including all

supporting vouchers, abstracts, etc.

20.2 The Municipal Corporation further reserves the right to enforce recovery of any over payment when

detected notwithstanding the fact that the amount of the final bill may be included by the Contractor.

20.3 If as a result of such audit and technical examination any over payment is discovered in respect of any

work done by the Contractor or alleged to have been done by him under the contract, it shall be

recovered by the Municipal Corporation from the contractor by way of all the means prescribed above

or if any under payment is discovered by the Municipal Corporation, any amount due to the

contractor under this contract or under payment may be adjusted against any amount then due or

which may at any time thereafter become due before payment is made to the contractor from him to

the Municipal Corporation on any other contract account whatsoever.

21.0 Materials obtain from dismantling

If the contractor, in the course of execution of work is called upon to dismantle any part for reasons

other than on account of bad or imperfect work, the materials obtained from dismantling will be the

property of the A.M.C. and will be disposed of as per instruction of Engineer-in-charge in the best

interest of the A.M.C.

22.0 Dispute to be referred to Arbitrator

The disputes relating to this contract, so far as they relate to any of the following matters, whether

such disputes arise during the progress of the work or after the completion or abandonment thereof,

shall be referred an independent Arbitrator appointed by AMC as far possible in consultation with the

agency if it is necessary and such disputes shall be settled in accordance with the arbitration and

conciliation Act.

(i) The rates of payment under clause 5 for any tools, materials and stores, in or upon the works

of the site thereof or belonging to the contractor or procured by him and intended to be used

Signature of Bidder Page 20 of

Ahmedabad Municipal Corporation

for execution of the work or any part thereof possession of which may have been taken by

the Engineer-in-charge under the said clause –5.

(ii) The reduction in rates made by the Engineer-in-charge under clause 9 from the items of

works not accepted as completed fully in accordance with the sanctioned specifications.

(iii) The rate of part of payment for any class of work which is included in the additional or altered

work carried out by the contractor in accordance with the instructions of the Engineer-in-

charge under clause 14 and the rates for which is to be determined under the said clause

(iv) The rates of payment for materials already purchased or agreed to be purchased by the

contractor before receipt of notice given by the Engineer-in-charge under clause 15 and/or

amount of compensation payable to the contractor under the said clause for loss in respect of

such materials.

(v) The amount of compensation which the contractor shall be liable to pay under clause 17 in

the event of this failure to rectify, remove or reconstruct the work within the period specified

in the written intimation or the amount of expenses incurred by the Engineer-in-charge under

the said clause17 in rectifying, removing or re-executing the work or in removing and

replacing the materials or articles complained of.

(vi) The reduction of rates as may be fixed by the Engineer-in-charge under clause 17 for the

inferior work or materials as accepted or made use of.

(vii) The amount of compensation payable by the contractor for damages as estimates and

assessed under clause

(viii) The amount payable to the contractor for the work carried out under clause 33 in accordance

with the instructions and the requirement of the Engineer-in-charge in case where there are

no specifications.

(ix) The awards declared by the arbitrator shall be speaking award giving reasons and calculations

to every item of claims. The decision will have to be implemented by all the concerned.

(x) In case of dispute leading to the contractor or Ahmedabad Municipal Corporation

approaching on Court of Law. It shall be within the jurisdiction where the site of work is

The reference to arbitration proceeding under this clause shall not:

i) Entitle the contractor to stop the Affect the right of the Engineer-in-charge under clause 5 to take

possession of all or any tools, plants, materials and stores in or upon the works of site thereof

belonging to the contractor or procured by him and intended to be used for the execution of the

work or any part thereof.

ii) Preclude the Engineer-in-charge from utilizing the materials purchased by the contractor in any

work or from removing such materials to other places, during the period the work is stopped or

suspended in pursuance, of notice given to the contractor under clause

iii) Progress of the work or the carrying out the additional or altered work in accordance with the

provisions of clause 14 or as the case may be, of clause

23.0 Drawings and Photographs of the Works

23.1 The contractor shall do photography/ videography of the site as and when asked by AMC. No

separate payment will be made to the contractor for this. . The contractor shall have to submit the

same in hard copy as well as soft copy as and when demanded by the AMC.

23.2 No photograph of the works or any part thereof or plant employed thereon, except those permitted

under clause 59.1, shall be taken, or permitted to be taken by the Contractor or by any of his

employees or any employees of his sub-Contractors without the prior approval of the Engineer in

writing. No photographs/ videography shall be published or otherwise circulated without the

approval of the Engineer in writing.

Seal and Signature of the Bidder Additional City Engineer

Date: Ahmedabad Municipal Corporation

Signature of Bidder Page 21 of

Ahmedabad Municipal Corporation

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Signature of Bidder Page 22 of

Ahmedabad Municipal Corporation

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(5) xuLzh Chlth y&Jt vuZele ctc<btk >huf Ctde>th y&Jt <u ykdulwk bwFðgthltbwk ^htJlth Ôgrf<

mne l fhu y&Jt xuLzhbt <u btxu htFJtbtk ytJuje søgtbtk mne/mneytu Wvh ftuR mtûteyu mtF

f:- Nh<e xuLzh MJefthJtbtk ytJNu lne.

z:- xuLzh MJefthJw, h> fhJw, ftulu ytvJw ylu fgt CtJ&e ytvJw <u ykdu Bgwrl. frb§h©eltu rlKog

ytFhe hnuNu. ftuR fthKmh stu ftuLx[tfxhlu ftb l ytve Nftg <tu <u ykdu ftuLx[tfxh ftuRvK

«fthltu lwfNtle fu J¤<hltu nff>tJtuu fhe NfNu lrn fu ftg>tfeg ftgoJtne yt ykdu &R NfNu

lrn. xuLzh bkswh &gtltu y&o ftb ytve >uJtLþk Au <uJtu &R NfNu lrn.Nh<e xuLzh MJefthJtbtk

(9) rJmkdr< ylu rnmtc stud:

nt& ^hJtlt ftbtule ctc< >NtoJ<t CtJ vºtfbtklt sÚ&t ylu hfble ftuRvK Cwjawf

leault rlgbtu ylwmth mhCh fhJtbtk ytJNu.

Signature of Bidder Page 23 of

Ahmedabad Municipal Corporation

(1) xuLzh Chlthu >hlt Ftltbtk sKtJuj Nç>tu ylu ytkfzt Jåau ftuR ymkdr<lt fumbtk Nç>tuubtk

sKtJuj hfb btLg htFJtbtk ytJNu.

(2) yufb >h ylu sÚ&tlt Ftuxt dwKtfthlt fthKu ftble ctc<tu >NtoJ<e CtJ vºtflt Ftltbtk&e

hfbbtk Cwj sKtg <tu yufb >h btLg htFJtbkt ytJNu ylu >hlt yt^thu dwKtfth mw^thJtbkt

(3) yufblt Ftltbtk&e <ubs ytd¤ Fuka<t mhJt¤tle <btb Cwjtu mw^thJtbkt ytJNu.

(4) ctc<tu y&Jt mhJt¤t mtbu vwhu ytkfzu fhuj ftuR vK ctc< ægtlbtk juJtbtk ytJNu lrn.

(10) y:- ftbltu «tud{um mbgbgto>t bwsc fhJtltu hnuNu. yt mbgbgot>t 10 jtF mw^elt ftb btxu

yuj.ytu.ytR. ytÃgt <theF&e 10 r>Jm <&t 10 jtF &e Wvhltk ftb btxu yuj.ytu.ytR. ytÃg

<theF&e 15 r>Jm&e NY &guj dKJtbt ytJNu. <&t <u >hBgtl ftble 5% juFu zevtuÍex Che fhthvºt

xuLzhbtk ftuLx[t¾xh îtht Chujt CtJ <btb «fthlt su <u «J<o<t mhfthe xuût mrn<lt CtJ

dKJtbtk ytJNu. ylu <ubtk atjw ftb >hBgtl su ftuR VuhVth &Nu <ultu J^thtu awfJJtbtk ytJNu

c:- mûtb m•tt îtht Yt.10,00,000.00 (>m jtF) mw^elt xuLzhle bkswheltu XhtJ vtzgt ct>

(LOI) ytvJtbtk ytJNu ðgth ct> r>l - 10 btk rm¾gtuhexe zevtuÍex sbt fhtJJtle hnuNu.

rm¾gtuhexe zevtuÍex btuze ChJtlt rfMmtbtk Bgwrl.ftuvtuohuNlbtk «Joðbtl rlgb ylwmth ftgoJtne

f:- bkswh &guj xuLzhle mbgbgto>tbtk ftbdehe vqKo l &tg <tu bubtuhuLzb (ltuxem RLJtRxuz xuLzh) btk

sKtJuj «btKu bkswh &guj mbgbgto>t ct>lt FhuFh ctfe ftble hfblt bn•tb 10% juFu

(jefJezexe zubuSm) vulÕxe Jmwj fhJtbtk ytJNu.

(11) y:- awfJKe:-

xuLzh Chlthu yu Jt< mbS juJtle hnuNu fu <uKu xtkfujt >h vwhtk &gujt ftb btxult Au ylu <ubtk

bswhe, vtjF, ÃjtLx, >uFhuF, mhJem-ftbdehe, Jes¤e, htugÕxe ylu ytufx[tug Jduhu ykNu <btb

Faoltu <&t sYh sKtg <tu ylu ðgthu ht<vt¤elt ftblu juJt c^t J^thtlt Faoltu mbtJuN &Nu

ylu xtkfujt CtJ fu >h fh<t J^thtle ftuR awfJKe ykdult <ublt ftuR >tJt ægtlbtk juJtNu lnek

ylu xuLzh Chlth Ftuxe hswyt<lu fthKu y&Jt ftuR Ôgrf<yu (vAe<u ctk^ftb rJCtdltu fboathe

ntug fu l ntug) <ublu ytvuje btne<elu yt^thu vtA¤&e ftuR >tJt> hsw fhJt nf>th hnuNu lnek.

<ublw xuLzh ChJt <&t <ubtk sw>t sw>t CtJ ylu >h ChJt btxu sYhe yuJe <btb btne<e vtu<tlt

vûtu l bu¤Je NfJtlu fthKu vtu<u xuLzh hsw fhJtlu je^u y&Jt <ubtk&e WCt &<t ftuR stuFb fu

sJtc>thebtk&e Axfe NfNu lnek. m>h ftbbtk ftuR vK ò<lt ctk^ftblt bxehegj Wvh CtJ

J^thtu ytvJtbtk ytJNu lrnk.

c:- ftuLx[tfxhtulu vubuLx / hlekd cej Bgwrl. frb§h©elt su <u «J<obtl rlgb bwsc fhJtbt ytJNu.

<&t Bgwrl. frb§h©e/mexe Rsluh©e lt su <u JF<ltk mh¾gwjh «btKu ftbdehe/ybj fhJt rcl

Nh<e ckDlf<ot hnuNu.

f:- ftuLx[t¾xhlt >huf hlekd cejbtk&e ftuLx[t¾xhlu awfJJtle &<e fwj hfb Wvh (xuLzh bwsclwk vubuLx

+ yu¾x[t ytRxb) 2 % juFu hexulNl ble ftvJtbtk ytJNu su VtRlj cejbtk vh< ytvJtbtk

Signature of Bidder Page 24 of

Ahmedabad Municipal Corporation

z:- htsg / fuL÷ mhfth©elt JF<tuJF<lt ftg>t bwsc su ftuR hfble fvt< fhJtle &Nu <u bwsc

ftuLx[tfxhlt cejbtk&e fvt< fhJtbt ytJNu.

(12) yu:- fhth mkc^e >M<tJustu fhthlt ydðglt Ctd dKtNu ylu <u mD¤t mne<lt fhth mbd{ ftblu

ce:- xuLzhbtk >NtoJuj ftb mkck^e >M<tJusbtk >NtoJuj rJd<btk rJmkd<<tlt rfMmtbtk leau >NotJuj

¢btlwmth >M<tJusbtk >NtoJuj rJd< d{tng htFJtbkt ytJNu.fhth mkc^e >M<tJustu fhthlt

ydðglt Ctd dKtNu ylu <u mD¤t mne<lt fhth mbd{ ftblu jtdw vzNu.

(yu) yufb ylu f>:-

(2) xuLzh VtuboLþk CtJvºtf

(3) MvuNeVefuNl

z[tu#dbtk f>, ytfth, ytkfzt f>ta Ftuxt ntug <tu btvujt f>, ytfthlu yLþmhÔþk

(2) xuLzh Vtubole yLþMþra-ce

(3) MvuNeVefuNl

Cwj Chujt fu Ftuxt JKollt rfMmtbtk yt mkck^e Wvhefûttyu rJmkd<<t ykdule ltuk^ bwfe

yuze.mexe yuLSlegh / zu.BGþrl.frbNlh©ele bkswhe bu¤JJtbtk ytJNu ylu <u bwsc fhJtbkt

ytJuj rlKog ykr<b dKJtbkt ytJNu.

(13) xuLzhhu z[tuRkd fu MvuNeVefuNlbtk hnuje ftuR ûtr< fu Ftbeltu duhjtC juJtle fturNN l fhJe ylu

Rsluh Rlatsuo Ãjtl <&t MvuNeVefuNlle ûtr<ytu mw^thJe <&t <ulwk mtawk y&oDxl fhtJJwk.

(14) yt Wvhtk< y.Bgw. ftuvtuo. lt slhj ftuLx[tfx fLzeNl vK btLg htFJle hnuNu.

(15) yufe JF<u yuf fh<t J^w søgtytuyu ftb NY fhJtltu Jfo ytuzoh b¤u <tu ftb yuf mt&u s c^u NY

(16) atjw ftbu mrJom jtRllu lwfNtl l &tg <u he<u ftb fhJtlw hnuNu. stu ftuR mrJom jtRllu lwfNtl

&Nu <tu <ule mkvwKo sJtc>the (òlbtj) ftuLx[tfxhle vtu<tle hnuNu. mtRx Wvh ftb >hBgtl

bswhtu fu sl<tlt ftuR btKmlt òlbtj lu lwfNtl &tg <ule sJtc>the ftuLx[tfxhle hnuNu.

vtujem Vrhgt> &tg <tu <ule sJtc>the vK ftuLxtfxhle hnuNu. CuFz Dme l vzu <ule sJtc>the

vK vtujem Vrhgt>bt ftuLx[tfxhle hnuNu. CuFz Dme l vzu <u btxu mjtb<elt vdjt (suJt fu >tuhzwk

ctk^e bswh Ftztbtk W<thJt, mtuhekd ylu Mx[xekd fhJt rJduhu) je^t Jdh bsqhlu Ftztbtk W<thNu

<tu ftuLx[tfxh s vtujem Vrhgt>bt sJtc>th hnuNu ylu Bgwrl.ftuvtuohuNlltu ftuRvK MxtV ytlt btxu

sJtc>th hnuNu lrn. ytxjwk mbSlu s xuLzh ChJwk. bswhtultu rJbtu vK W<thJtu.

(17) bxehegÕm fu ceò xuMxed hevtuxo ftuLx[tfxhu vtu<tlt Fauo ftuvtuohuNl sKtJu <u søgtyu fhtJJtlt

hnuNu. bxehegÕm jtJJt fu jR sJtltu mkvwKo Fao ftuLx[tfxhu CtudJJtltu hnuNu.

Signature of Bidder Page 25 of

Ahmedabad Municipal Corporation

(18) M&¤ vrhrM&r< / sYhegt< bwsc ftb fhtJ<t xuLzhlt ytRxblt sÚ&tbtk J^ ^x &tg <tu rlgb

ylwmth <u ykdu ftb fhJt ftuLx[tfxh ck^tgujt Au.

(19) mtRx vh jtJJtbtk ytJuj btj mtbtl hesufx fhJtbt ytJu <tu <whk< r>l 1btk vh< jR sJtltu

hnuNu. yLg&t <ule lwfNtlle sJtc>the ftuLx[tfxhle hnuNu.

(20) ftuLx[tfxhlu su ftuLx[tfx ytvJtbtk ytJu Au. <ubt mhfth©elt «Joðbtl rlgb bwsc ve.yuV/juch

yufx <&t bswhtu <&t MxtVle Jebt vtujeme jElu <ult ftg>tlw vtjl fhJtlwk hnuNu <&t yt ykdu

Bgwrl.ftuvtuohuNl îtht su btne<e btkdJtbtk ytJu <u ytvJtle hnuNu. bu.BGþrl.frbNlh©elt

mh¾âwjh Bþsc sYhe ctknu^he vºtf ytvJtLþk hnuNu.

(21) ftuRvK ftg>tfeg jexeduNl yb>tJt> Nnuhle ftuxobt hnuNu.

(22) btj su <u Mxtumo Wvh y&Jt mtRx Wvh jtuftulu lz<h l &tg <u he<u mwalt bwsc W<thJtltu <ubs

dtuXJJtltu hnuNu.

(23) ftuR vK mhfthe fhJuht ChJtle <btb sJtc>the ftuLx[tfxhle hnuNu.

(24) ftuLx[tfxh îtht xuLzhbt >NtoJuj MveNeVefuNl bwsc MxtLzzo bxehegÕm MvuNeVefuNl bwsc

jtJJtlt hnuNu.<&t xuMxekd fhtJJtlwk hnuNu.<&t y ykdu «Joðbtl Bgwrl.ftuvtuohuNlt rlgbtulw vtjl

(25) yt xuLzhbtk stu ftuR ytRxb hne dR ntug <tu <u y&Jt M&¤ M&e<e bwsc xuLzhbtk mbtJuN l ntug

<uJe J^thtle ftbdehe fhJtle &tg <uJt rfMmbtk Bgwrl.ftuvtuohuNlt «Joðbtl rlgb ylwmth

J^thtle ytRxblt CtJ lffe fhJtbtk ytJNu ylu <u bwsc awkfJKe fhJtbtk ytJNu.

(26) atjw ftb >hBgtl «tuxufNlle mkvwKo sJtc>the ftuLx[tfxhle hnuNu. subtk vevzt, >tuhzt Cgmwaf

ctuzo, ÃjtMxef vèe, rJ. ftuLx[tfxhu jtJJtlwk ylu mtaJJtlwk hnuNu. ylu ftuRvK yfMbt< &Nu <tu

<ule mkvwKo sJtc>the ftuLx[tfxhle hnuNu.

(27) M&¤ Wvh atjw ftbdehe >hBgtl ftb fhlth ftuLx[tfxhlt bswh / fboathe y&Jt yLg Ôgrf<lt

yfMbt<lt rfMmbtk juch yufx bwsc fhJtle &<e ftgoJtne <&t vtujem ftgoJtnele sJtc>the

ftuLx[tfxhle hnuNu.

(28) stu MxtV mqalt ytvu <u bwsc mwalt vtu&e ftuLx[tfxhu htFJtle hnuNu. <ubtk >hhtus fhuj ftbdehe

<&t yr^ftheytuyu ftb mw^thJt fu «tud{um J^thJtlt ltuk^ fhuj ntug <tu <ulwk ftuBÃjtgLm ytvJtlwk

hnuNu ytJe ltu^lt sJtc l &gu fu <u «btKu M&¤ Wvh ybj l &gu ftuLx[tfxhlu vulÕxe fhJtle

m•ttt yuze.mexe yuLSlehgh©elu hnuNu.

(29) >huf ytRxblt MvuNeVefuNl yb>tJt> Bgwrlrmvj ftuvtuohuNlltk bkswh &guj <&t btLg htFuj

MvuNeVefuNl Nh<tu bwsc hnuNu su ytRxbbtk MvuNeVefuNl l ntug <uJt mkstudtubtk

yuze.mexe.yuLSlegh©eltu rlKog ytFhe hnuNu.Jtuxhekd fhJtbtk lrn ytJu fu >hhtus J^thtltu

zucheÍ WvtzJtbtk lrn ytJu <tu ftuLx[tfxhlt Fauo ylu sutFbu Jdh ltuxemu Jtuxhekd fhtJJtbtk <&t

zucheÍ WvtzJtbtk ytJNu ylu cejbtk&e hfb ftve juJtbtk ytJNu.

(30) juch JuÕVuh Vkz btxu ntjbtk htsg mhfth©eyu fhuj nwfb bwscle hfb cejbtk&e ftve juJtbtk

Signature of Bidder Page 26 of

Ahmedabad Municipal Corporation

(31) atubtmtltu vehegz <t.15 swl &e 14 ytufxtuch Mþ^eltu dKJtbtk ytJNu. yt mbg >hBgtl

ftuLx[tfxh îtht ftbdehe fhe Nftg <ub l ntug <tu <u Bþscle xtEb jebex J^the ytvJtbtk

(32) muÕm xuût / Jux lkch / ve.yuV. ftuz lkch / vtl lkch / S.yum.xe. lkch rJduhu ftuLx[t¾xhu VhSgt<

(33) ltbœth ftuxo îtht fhuj nwfb <ubs rlœuo»ttulwk awM<vKu vtjl fhJtlwk hnuNu. subtk z[ulus lu jd<tk ftb

btk ftuRvK mkkstudtubtk bNel ntuj / dxh btk btKmlu W<thJtu lnek <ubs buLgwyj M¾{uJSkd ykdule

btdoœrNoft lwk vtjl fhJwk.

(34) mœh xuLzhle ytRxbtult CtJtu ltKt Ft<t lt mhfgwjh lk.38, <t.21/11/22 <&t mûtb m•ttle b¤uj bkswhe bwsc GST

rmJtg dKºtebtk juJtbt ytJuj <&t «Jo<btl rlgb bwsc GST awfJJt vtºt &Nu su&e <btb cezomu <u bwsc dK<he fhe

xuLzhtu ChJtlt hnuNu.

(35) mœh xuLzh yk<od<lt ftb mkjøl y.Bgw.ftu.btk vJo<btl <btb rlgbtu/mhfgwjhtu jtdw vzNu <ubs JF<tu JF< &lth mw^thtytu

vK jtdw vzNu. sule ltuk^ jR xuLzhtu ChJtlt hnuNu.

yufhthlwk Vtubo

(1) nwk/ybu yt&e yufhth fhwk Awk/fheyu Aeyu fu yt xuLzh hsw fh<tk vnujtk buk/ybu M&¤le

bwjtft< je^e Au ylu ftblu jd<t btjmtbtl, bswhe ylu ceS ctc<tulu jd<e M&trlf

vrhrM&r<le ò<-btne<e bu¤Je Au.

(2) nwk/ybu yt&e yufhth fhwk Awk/fheyu Aeyu fu yt ftuLx[tfxhtule Nh<tu rJd<tu ylu xuLzhlu

jd<t >M<tJustu ft¤SvwJof yÇgtm fgtuo Au ylu <u bwsc <ultu ybj fhJt mkb<

ftuLx[tfxhle mne ylu rmfft

Signature of Bidder Page 27 of

Ahmedabad Municipal Corporation

TECHNICAL SPECIFICATIONS:

Item No.01 Dismantling the following including loading, unloading and disposal of unserviceable

material for all lead or as directed by Engineer-In-Charge and stacking the serviceable

material and backfilling the resulting trenches and pits complete.

a. Dismantling tiled or stone floors laid in mortar including stacking of serviceable

material anddisposal of unserviceable material with all lead and lifts.

b. Demolition including stacking of serviceable materials and disposal of

unserviceablematerials with all lead and lift. (I) R.C.C work.

c. Demolition of brick work & stone masonry including stacking of serviceable

materials anddisposal of unserviceable materials with all lead and lift. (II) In

The demolition shall consist of demolition of one or more parts of the structure as specified or

shown in the drawings. Demolition implies taking up or down or breaking up. This shall consist of

demolishing whole or part of work including all relevant item as specified or shown in the drawings.

The demolition shall always be planned before hand and shall be done in reverse order of the one

in which the structure was constructed. Contractor is fully responsible for proper and safe

Necessary dropping, shoring and under pinning shall be provided for the safety of the adjoining

work or property, which is to be left intact, before dismantling and demolishing is taken up and the

work shall be carried out in such a way that no damages is caused to the adjoining property.

Wherever required, temporary enclosures or partitions shall also be provide 1. Necessary

precautions shall be taken to keep the dust nuisance down as and where necessary.

Dismantling shall be commenced in a systematic manner. All materials which are likely to be

damaged by dropping from a height or demolishing roof, masonry etc. shall be carefully dismantled

first. The dismantled articles shall be properly stacked as directed.

All materials obtained from demolition shall be the property of Government unless otherwise d

shall be kept in safe custody until handed over to the Engineer-in-charge.

Any serviceable materials, obtained during dismantling or demolition shall be separated out and

stacked properly as directed, with all lead and lift. All unserviceable materials, rubbish etc. shall b

stacked as directed by the Engineer-in-charge.

On completion of work, the site shall be cleared of all debris rubbish and cleaned as directed.

Mode of measurements & payment :

Measurements of all work except hidden work shall be taken before demolition dismantling and no

allowance for increase in bulk shall be allowed. The demolition of lime concrete shall be measured

under this item. Specification for deduction for voids, openings etc. shall be on same basis as that

employed for construction of work.

All work shall be measured in decimal system as fixed in its place subject to the following limits,

unless otherwise stated hereinafter : (a) Dimensions shall be measured to the nearest 0.01 mt. (b)

Signature of Bidder Page 28 of

Ahmedabad Municipal Corporation

Area shall be worked out to the nearest 0.01 sq. mt. (c,d,e) Cubical connection shall be worked out

to the nearest 0.01 Cu.m.

The rate shall include cost of all labour involved and tools used in demolishing and dismantling

including scaffolding. The rate shall also include the charges for separating out and stacking the

serviceable materials properly and disposing the unserviceable materials with all lead and lift. The

rate also includes for temporary storing for the safety of the portion not required to be pulled

down or of adjoining property and providing temporary enclosures or partitions where considered

The rate shall be for a unit of one cubic metre. For Dismantling of Tiled Floor:

The relevant specifications shall be followed except the dismantling of tiled or stone floors laid on

mortars shall be done Dismantling implies carefully taking up or down or these are fixed by nail

screws bolts etc. the shall be taken out with proper tools.

Mode of measurement & Payment :

The supporting materials such as joints beams if any etc. shall be measured separately. The rate shall

includestacking the unserviceable materials as directed will lead and lift.

The rate shall be for a unit of (a) RMT (b) one sq. Meter (C) CMT(d)Cu.m(e)Cu.m

Item No.02 Extra Rate Over Item of Excavation of Earth for excavation of asphalt pavement / RCC of

thickness up to 0.20 meter including demolishing the asphalt carpet, metal, soiling/cutting

Reinforcement etc.comp. with stacking the material as directed.

Excavation of earth for excavation of asphalt pavement/RCC of thickness upto 0.3 mt.

By any type of Breaker Machine or R.C.C.Cutter machine including cost of operator, fuel, & transportation etc

complete with stacking the material as directed.

Upto 0.3 meter thickness (By Machinary)

Measurement shall be given in Sq.m. Basis

Item No : 03 Barricading the entire break down or excavated area on rental basis using wooden ballies /

M.S.angles at max. 2.00 meter centre to centre, C.G.I. Sheet, reflective paint / Board out side to

avoid accident & for smooth traffic diversion & movement including cautionary board etc. Item also

includes for making temporary sufficient nos of lighting arrangement through out the work with

necessary required arrangement. The same shall be removed after completion of work. (Only for

break down work from start to complete) (Based on Drainage SOR 2015-16)

For detailed specification refer5th revision of MORTH (2013) & also amendment shall be applicable to

the latest versions.

The M/s shall be on SMT basis.

Item No.04 Providing and supplying JCB machine on rental basis in case of emergency situation and

breakdown type work and also during unavoidable condition as per instruction of engg.

Incharge, rate includes all nece. Shifting, fuel and operating charges and stacking of useful

and non useful materials separately up to store.(No payment should beallowed for non

working condition of machinery and for pipe line excavation and laying work)

Hiring charges of heavy 12 Tonne capacity Hydro machine for lifting the Any Matrials when

required any time. rate for 8 Hrs working in Day.

Measurement shall be given in Hours Basis.

Signature of Bidder Page 29 of

Ahmedabad Municipal Corporation

Item No.05 To provide tractor with hydraulic trolley, driver with fuel, to carryout different works

during day / night for Hrs. shift. Work shall be carried out as per the

instructions of engineer in-charge. No extra charged shall be paid for nightshift.

SOR 23-24: HO33

Do As Directed As Per Site Incharge.

Measurement shall be given Shift Basis.

Item no.06 Conveyance Charge of earth, lime, murrum, building rubbish, manure, garbage, sludge,

excavated rock, fly ash, aggregates of any kind executed outside the road site. Rate also

includes spreading & levelling etc complete. Internal conveyance above 50 mt done within the

work site is not payable.

Lead From 1 Km to 2 Km.

Lead From 2 Km to 3 Km.

Lead From 3 Km to 4 Km.

Lead From 4 Km to 5 Km.

Lead From 5 Km to10 Km.

Lead From10 Km to15 Km.

Lead From15 Km to 25 Km.

The surplus earth, which is left on site after refilling and proper watering of the trenches, shall be

carted away up to a distance within lead upon 5 kmts. All surplus earth should be carted away immediately

after the instruction or orders of the engineer in charge within 24 hours. The surplus earth shall be spread at

the site shown where it is carried. If the work is not carried out by the contractor as above AMC may carry out

the same at the risk and cost of contractor and the same may be deducted from the dues to the contractor in

The measurement of the surplus earth shall be paid for as per arithmetical calculations. Nothing extra

shall be paid for the bulk age of the excavated earth.

The measurement of the surplus earth shall be paid for as per arithmetical calculations. Nothing extra

shall be paid for the bulk age of the excavated earth.

Item No.07 Providing, laying, spreading and compacting graded ston eaggregate to wetmix

macadam specification including premixing the Material with water at OMC in

mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform

layers in sub- base / base course on well prepared surface and compacting with

vibratory roller to achieve the desired density as per Codal Provision.(Approved Rate )

This work shall consist of laying and compacting clean, crushed, graded aggregate and granular material,

premixed with water, to a dense mass on a prepared sub-grade/sub- base/ base or existing pavement as the

case may be in accordance with the requirements of these Specifications. The material shall be laid in one or

more layers as necessary to lines, grades and cross-sections shown on the approved drawings or as directed

by the Engineer.

The thickness of a single compacted Wet Mix Macadam layer shall not be less than 75 mm. When vibrating or

other approved types of compacting equipment are used, the compacted depth of a single layer of the sub-

base course may be upto 200 mm with the approval of the Engineer.

Physical Requirements

Signature of Bidder Page 30 of

Ahmedabad Municipal Corporation

Coarse aggregates shall be crushed stone. The aggregates shall conform to the physical requirements set

forth in Table 19-1. Sevaliya/Timba/Ankodiya special aggregate is only acceptable.

If the water absorption value of the coarse aggregate is greater than 2 percent, the soundness test shall be

carried out on the material delivered to site as per IS:2386 (Part-5).

Table 19-1 : Physical Requirements of Coarse Aggregates for Wet Mix Macadam for Sub-base/Base

S. No. Test Test Method Requirements

1. Los Angeles Abrasion value IS:2386 (Part-4) IS:2386 (Part-4) 40 percent (Max.)

or Aggregate Impact value or IS:5640 30 percent (Max.)

2. Combined Flakiness and IS:2386(Part-1) 35 percent (Max.)*

Elongation indices (Total)

*To determine this combined proportion, the flaky stone from a representative sample should first be separated out.

Flakiness index is weight of flaky stone metal divided by weight of stone sample. Only the elongated particles be

separated out from the remaining (non-flaky) stone metal. Elongation index is weight of elongated particles divided by

total non-flaky particles. The values of flakiness index and elongation index so found are added up.

Grading Requirements

The aggregates shall conform to the grading given in Table 19-2.

Table 19-2 : Grading Requirements of Aggregates for Wet Mix Macadam

IS Sieve Designation Percent by weight passing the IS Sieve

600 micron 8-22

Material finer than 425 micron shall have Plasticity Index (PI) not exceeding

The final gradation approved within these limits shall be graded from coarse to fine and shall not

vary from the low limit on one sieve to the high limit on the adjacent sieve or vice versa.

Construction Operations:-

Preparation of Base

The surface of the sub-grade/sub-base/base to receive the Wet mix macadam course shall be prepared to the

specified grade and camber and cleaned of dust, dirt and other extraneous material. Any ruts or soft yielding

places shall be corrected in an approved manner and rolled until firm surface is obtained.

Where the Wet mix macadam is to be laid on an existing metalled road, damaged area including depressions

and potholes shall be repaired and made good with the suitable material. The existing surface shall be

scarified and re-shaped to the required grade and camber before spreading the coarse aggregate for Wet mix

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Ahmedabad Municipal Corporation

Preparation of Mix

Wet Mix Macadam should be prepared in an approved mixing plant of suitable capacity having provision for

controlled addition of water and forced/positive mixing arrangement like pugmill or pan type mixer of

concrete batching plant. For small quantity of wet mix work, the Engineer may permit the mixing to be done

in concrete mixers.

Quantity of water should not vary from OMC determined as per IS : 2720 (part VIII) by more than agreed limit.

The mixed material should be uniformly wet and no segregation should be permitted.

Spreading of mix

Immediately after mixing, the aggregates shall be spread uniformly and evenly upon the prepared

subgrade/sub-base/base in required quantities. In no case should these be dumped in heaps directly on the

area where these are to be laid nor shall their hauling over a partly completed stretch be permitted.

The mix may be spread either by a paver finisher or motor grader or as per instruction of Engineer-in-Charge

and/or his authorized representative. For portions where mechanical means cannot be used, manual means

as approved by the Engineer shall be used. The motor grader shall be capable of spreading the material

uniformly all over the surface. Its blade shall have hydraulic control suitable for initial adjustments and

maintaining the same so as to achieve the specified slope and grade.

The paver finisher shall be self-propelled, having the following features:

 Loading hoppers and suitable distribution mechanism

 The screed shall have tamping and vibrating arrangement for initial compaction to the layer as it is

spread without rutting or otherwise marring the surface profile.

 The paver shall be equipped with necessary control mechanism so as to ensure that the finished

surface is free from surface blemishes.

The surface of the aggregate shall be carefully checked with templates and all high or low sports remedied by

removing or adding aggregate as may be required. The layer may be tested by depth blocks during

construction. No segregation of layer and fine particles should be allowed. The aggregates as spread should

be of uniform gradation with no pockets of fine materials.

After the mix has been laid to the required thickness, grade and crossfall/camber the same shall be uniformly

compacted, to the full depth with suitable roller. If the thickness of single compacted layer does not exceed

100 mm, smooth wheel roller of 80 to 100 kN weight may be used. For a compacted single layer upto

mm, the compaction shall be done with the help of vibratory roller of minimum static weight of 80 to 100 kN

or equivalent capacity roller. The speed of the roller shall not exceed 5 km/h.

In portions having unidirectional cross fall/superelevation, rolling shall commence from the lower edge and

progress gradually towards the upper edge. Thereafter, roller should progress parallel to the centre line of the

road, uniformly over-lapping each preceding track by at least one third width until the entire surface has been

rolled. Alternate trips of the roller shall be terminated in stops at least 1 m away from any preceding stop.

In portions in camber, rolling should begin at the edge with the roller running forward and backward until the

edges have been firmly compacted. The roller shall then progress gradually towards the centre parallel to the

centre line of the road uniformly overlapping each of the preceding track by at least one-third width until the

entire surface has been rolled.

Any displacement occurring as a result of reversing of the direction of a roller or from any other cause shall be

corrected at once as specified and/or removed and made good.

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Ahmedabad Municipal Corporation

Along forms, kerbs, walls or other places not accessible to the roller, the mixture shall be thoroughly

compacted with mechanical tampers or a plate compactor. Skin patching of an area without scarifying the

surface to permit proper bonding of the added material shall not be permitted.

Rolling should not be done when the subgrade is soft or yielding or when it causes a wave-like motion in the

sub-base/base course or subgrade. If irregularities develop during rolling which exceed 12 mm when tested

with a 3 metre straight edge, the surface should be loosened and premixed material added or removed as

required before rolling again so as to achieve a uniform surface conforming to the desired grade and crossfall.

In no case should the use of unmixed material be permitted to make up the depressions. Rolling shall be

continued till the density achieved is at least 98 per cent of the maximum dry density for the material as

determined by the method outlined in IS : 2720 (Part-8).

After completion, the surface of any finished layer shall be well-closed, free from movement under

compaction equipment or any compaction planes, ridges, cracks and loose material. All loose, segregated or

otherwise defective areas shall be made good to the full thickness of the layer and recompacted.

Setting and drying:

After final compaction of wet mix macadam course, the road shall be allowed to dry for 24 hours.

Opening to Traffic

Preferably no vehicular traffic of any kind should be allowed on the finished wet mix macadam surface till it

has dried and the wearing course laid.

Surface Finish and Quality Control

of Work Surface evenness:

The surface finish of construction shall conform to the requirements of Clause in Item No. 16&17&18.

Quality control:

Control on the quality of materials and works shall be exercised by the Engineer as per Table 19-3.

Table 19-3 : Test and Frequency for Materials for Wet Mix Macadam

Type of Test Frequency IS Code

Construction (As per Circular No. 66)

Wet Mix Gradation One test per 200 Cu.m. IS:2386, Part-I-1963

Macadam Aggregate Impact Value One test per 1000 Cu.m. IS:2386, Part-IV

Combined Flakiness and One test per 500 Cu.m. IS:2386, Part-I

Elongation Indices

Atterberg Limits of One test per 200 Cu.m. IS:2720, Part-V

portion of aggregates

Density of compacted One set of three tests per1000 IS:2720, Part-VIII

Rectification of Surface Irregularity

Where the surface irregularity of the wet mix macadam course exceeds the permissible tolerances

or where the course is otherwise defective due to subgrade soil getting mixed with the aggregates,

the full thickness of the layer shall be scarified over the affected area, reshaped with added

premixed material or removed and replaced with fresh premixed material as applicable and

recompacted. The area treated in the aforesaid manner shall not be less than 5 m long and 2 m

wide. In no case shall depressions be filled up with unmixed and ungraded material or fines.

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Ahmedabad Municipal Corporation

Arrangement for Traffic

During the period of construction, arrangements for the traffic shall be provided. The Contractor

shall take all necessary measures for the safety of traffic during construction and provide, erect and

maintain such barricades, including signs, marking, flags, lights and flagmen as per instruction of the

Engineer-in-charge.

Measurements for Payment

The rate shall be for a unit of one cubic meter.

Item No.08 Ready mix concrete Providing and laying in position Readymix concrete/batchmix

concrete of specified grade for reinforced cement concrete work,using cement content

as per approved design mix (Min cementitious lev el as per latest IS 456 shall be

maintained) manufactred in fully automatic batching plant and transported to the site

of work in transit mixer for all lead having a continuo us agitated mixer, for reinforced

cement concrete work including pumping from transitmixertosite of laying; cost of

admixtures in recommended proportions as per IS: 91 03 to accelerate, retard the

setting of concrete, improve workability without impairing strength and durability;

finishing, compacting, vibrating, curing, dewatering (if required),etc, excluding the cost

of Formwork and reinforcement, etc complete for all elements, all floors, all level, any

heights/ depths, any lead and lift as directed by Engineer Incharge.

Concrete of M15 grade (R&B SOR 23-24 IC:5054 Page 66)

Concrete of M20 grade (R&B SOR 23-24 IC:5055 Page 66)

Concrete of M25 grade (R&B SOR 23-24 IC:5056 Page 67)

Concrete of M30 grade (R&B SOR 23-24 IC:5057 Page67)

The term M50 comes from the concept of ‘mix design’, which is the science of using raw materials in

certain proportions to create a grade of concrete that meets the specifications for a given construction

project. The ‘M’ in M150 represents mix design, while 150 represents the compressive strength in mega

pascals. Simply put, M150 concrete ratio represents a specific mix design that results in a concrete

strength of 150 megapascals (MPa) after 28 days of curing.

Components of M150 Grade Concrete

The key components of M150 grade concrete are as follows:

Cement is a binding material that provides strength and cohesion to the concrete mixture. In M150 concrete,

the ratio of cement to the total volume of the mixture is approximately 1:1.

Sand acts as a fine aggregate, filling the voids between larger particles and enhancing the overall strength of

Coarse Aggregates:

Coarse aggregates, such as crushed rocks or gravel, contribute bulk to the concrete mixture and enhance its

strength. This ratio aids in achieving the necessary density, stability, and load-bearing capacity of the

Water-Cement Ratio:

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Ahmedabad Municipal Corporation

The water-cement ratio is a crucial factor affecting the workability and strength of concrete. This ratio is

carefully controlled to ensure optimal cement hydration and prevent issues like excessive shrinkage or weak

Procedure for proportioning M150 concrete mix

Making a concrete mix involves determining the proportion of concrete components viz., cement, aggregates,

admixtures, and water. This evaluation is done to ascertain the desired compressive strength, workability, and

durability after 28 days (about 4 weeks) of curing. Here are the steps involved to make concrete mix design:

1. Calculate the target strength for mix proportioning

Target average strength (f’ck) can be determined with the following formula:

f’ck= fck + 1.65s

 f’ck = average target compressive strength at 28 days.

 fck = characteristic compressive strength at 28 days.

 s = Standard deviation

 1.65 = statistical value depending on the accepted proportion of low results and the

number of tests.

2. Selection of water-cement ratio

Different types of cementitious material and aggregates of different sizes, grading, surface texture, shape,

etc., can produce concrete with different compressive strengths for the same ratio of water and cement. The

water content in the concrete impacts its strength, durability and workability. The details of the required

water-cement ratio are stated in Table 5 of IS 456:200.

3. Selection of water content

Aggregate size, shape and texture, cement and other supplementary cementitious material type and content,

chemical admixture and overall environmental conditions impact the water content of concrete. An increase

in aggregate size, use of rounded aggregates, reduction in water-cement ratio and slump and addition of

water-reducing admixtures in the concrete will require less water. Whereas, increase in temperature, cement,

slump and aggregate angularity and decrease in the coarse-fine aggregate proportion will require more water.

4. Calculation of cement content

It can be calculated from the previously obtained quantity of water per unit volume of concrete and

the water-cement ratio. The calculated cement content should be checked against the maximum cement

content recommendations per IS 456:2000.

5. Estimation of aggregate content

A concrete mixture comprises both coarse and fine aggregates in varying proportions, depending on the

grade of concrete, and the overall requirements for the concrete structure. Aggregates of the same nominal

maximum size, grading and type results in a concrete mixture that provides adequate workability when a

certain specific volume of coarse aggregate per unit volume of the total aggregate is used.

6. Determining water content and fine-to-aggregate ratio

To achieve the desired workability, mixing water per unit volume of concrete and the ratio of fine aggregate

(sand) to total aggregate by absolute volume are to be estimated.

The rate shall be for a unit of one cubic meter.

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Ahmedabad Municipal Corporation

Item No : 09 RCC NOSING Construction of bullnose by providing and laying M-20 grade of concrete

with fixing nominal steel as per approved drawing. Cost shall be inclusive of formwork, asphalt

cutting, transportation.

For detailed specification refer5th revision of MORTH (2013) & also amendment shall be applicable to

the latest versions.

The M/s shall be on Nos basis.

ITEM No.10-16 : Providing F.R.C. MH seat cover incl. carting to the work site etc. comp. Directed.

a) F.R.C. Extra Heavy Duty (EHD-35) Manhole Covers & Frames Cover : 728mm ø &

100 mm thick circular cover, 35.00 MT load design, 100x2mm MS flat allround,

16mm ø plain round bar for lifting the cover & should be fitted with plastic

cups. Frame : 560 mm ø clear opening, outer size- 888x888x175 mm. On the upper

periphery of frame 25 x 3 mm wide MS flat should be well embed in concrete to

protect the edges of frame. FRC E.H.D.-35 manhole cover & frame described as above

(As Per Central Store)

b) FRC heavy duty cover size 730 mm. & 90 mm thick circular cover 20 M.T. design load

and frame size 560mm clear opening size 890 x 890 x 120 mm.

c) FRC medium duty cover size 670 mm dia & 70 mm thick (MD-10)

a) FRC medium duty Chamber seat cover (FRC) cover 706 x 556 x 50 mm rectangular

cover frame size 600 x 450 mm clear opening outer size 816 x 666 x 100 mm (MD-

b) FRC light duty Chamber seat cover (FRC) cover with rectangular frame (LD-2.5)

The Item shall be carried as per Item mentioned in tender document and as per instruction of

Engineer-in-Charge and/or his authorized representative.

The mode of payment for this item shall be on Nos. Basis based on actual weight of Machine hole frame.

(A) Repairing damaged M.H. and rasing M.H. up to road level incl. removing damaged brick work and

repairing by brick masonry in C.M. 1:5 and plaster in C.M. 1:3 and fixing C.I. steps and removing manhole

cover and debris from MH and carting the same as directed.

(A)upto0.15mt.(@Two Coarse)

(B)upto0.35mt.(@Four Coarse)

(C)upto0.65mt.(@Seven Coarse)

(D)upto0.90mt.(@TenCoarse)

Relevant specification shall be followed as per item description : Repairing damaged M.H. and

rasing M.H. upto road level incl. removing damaged brick work and repairing by brick masonry in

C.M. 1:5 and plaster in

C.M. 1:3 and fixing C.I. steps and existing MH sheet cover, removing the debris from MH and

carting thesame as directed. The measurement shall be in Nos. basis Manhole.

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Ahmedabad Municipal Corporation

Repairing damaged I.C./ Raisingremoving damaged brick work and repairing by brick masonry in

C.M. 1:5 and plaster in C.M. 1:3 and fixing C.I. steps and existing chamber sheet cover,

removing the debris from chamber and cartingthe same as directed. (Based on Drainage

Repairing damaged I.C./ Raisingremoving damaged brick work and repairing by brick masonry in C.M.

1:5 and plaster in C.M. 1:3 and fixing C.I. steps and existing chamber sheet cover, removing

the debris from chamber and cartingthe same as directed.

The measurement shall be in Nos. basis Manhole.

Raising of Existing manhole.Item includes,cutting of existing road surround by Manhole by

diamond cutter machine,dismantling of road in confined areaby breaker machine and carting of

dismantled material.Item also included necessary brick work to raise the manhole at road level in

CM 1:3. Item also included fixing of Manhole frame at exact road level by using fibre reinforced

thixotropic repair mortar material,Laying of concrete made from special bonding chemical

flowable micro concrete material in desired thickness and laying of hot mix bituminous material in

upperlayer and compaction of hotmix bituminous material by Plate compactor machine.

Rate also included necessary plaster at inside of manhole in CM 1:3 in 20 mm thickness on raised

For detailed specification refer 5th revision of MORTH (2013) & also amendment shall be

applicable to the latest versions. The measurement shall be in Nos. basis Manhole.

Supplying and fixing of 380 mm H x 300 mm L x 200 mm B Kerb block for Central Verge

in M-20 gradeusing20 mm nominal sizeblacktrap aggregateof Sevaliya/Timba or equivalent

quality for pre-cast blocks, reasonably exposed finish/ formwork, mould with well equipped

with vibratory system for kerb stones of approved design including curing, etc. complete,

including the cost of formwork etc. complete.The rate shall also include necessary cutting

of asphalt, fixing the Kerb stones in line and level on 5 cm thick sand beddingwith necessary

equipments and materials. The rate shall also include the flush pointing in CM (1:3) for

all joints of the kerbstones. Filling of zari alone the sidesofthe kerb stonefixed

withBituminousconcrete mixed inproperposition as directed by Engineer in change to form

a portable mixture.In any case Gravel or such type of materials shall not be allowed for

Supplying and fixing M-20 grade using black trap aggregate of Sevaliya/Timba or equivalent

quality 20 mm. nominal size for pre-cast reasonably exposed finish/, formwork using mould with well

equipped with vibratory system for kerb stones of approved design including curing, etc. complete, including

the cost of formwork etc. complete. The rate shall also include excavation and erecting and fixing the kerbs

in position with necessary equipments and materials. The rate shall also include the flush pointing in CM

(1:3) for all joints including kerb stones of approval design (Sample must be got approved). In any case Gravel

or such type of materials shall not be allowed for production .a) Laying on 5 Cms thick Sand Bedding Kerb

Stone Fixing 380 mm H x 300 mm L x 200 mm -H :-

Supplying and fixing M-20 grade using black trap aggregate of Sevaliya/Timba or equivalent quality

20 mm. nominal size for pre-cast reasonably exposed finish/, formwork using mould with well equipped with

vibratory system for kerb stones of approved design including curing, etc. complete, including the cost of

formwork etc. complete. The rate shall also include excavation and erecting and fixing the kerbs in position

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Ahmedabad Municipal Corporation

with necessary equipments and materials. The rate shall also include the flush pointing in CM (1:3) for all

joints including kerb stones of approval design (Sample must be got approved). In any case Gravel or such

type of materials shall not be allowed for production. a) Laying on 5 Cms thick Sand Bedding.

Water shall confirm to M-1. Cement to M-2. Sand to M-5. Grit to M-7. Graded stone aggregate

mm. nominal size to M-10.

Contractor shall have to manufacture the blocks as per the dimensions given in the drawing. Specific

machineries shall be used to manufacture the Precast blocks. These machineries should be compatible to

produce blocks of required strength and dimensions. The machine shall contain hydraulic Press or advanced

equipment to generate required compaction & Grade and finish. Moulds/ Steel Plates/ Dies of the machine

shall be dimensionally checked & to be got approved before commencing the production. Contractor shall

prepare proper Drying Yard for keeping the blocks before curing. The drying yard shall be levelled and

covered so that no shrinkage cracks are formed. Contractor shall prepare adequate size curing pond to cure

the blocks for not less than 21 Days. No other means of curing shall be allowed. The technical specification

of concrete shall confirm to IS 456-2000. The concrete mix is not required to be designed and only nominal

mix as per IS : 456-2000 shall be followed. The proportion of the concrete mix shall be 1:1.5:3 (1 cement :

1.5 coarse sand : 3 graded stone aggregate 20 mm. nominal size) by volume. Concrete work shall have fairly

exposed concrete surface or as specified in the item. The designation ordinary M-10, M-15, M-20, M-25

specified as per I.S. corresponds approximately to 1:3:6, 1:2:4, 1:1.5:3 and 1:1:2 nominal mix of ordinary

concrete, by volume respectively. The ingredients required for ordinary concrete containing one bag of

cement of 50 Kg. by weight (0.0342 m3.) for different proportions of mix shall be as per IS 456-2000. The

proportion of the aggregate for the kerb stone shall be modified as per the approval of the engineer-in-

charge. The water cement ratios shall not be more than those specified as per IS. The cement of the mix

shall be increased, if the quantity of water in a mix has to be increased to overcome the difficulties of

placement and compaction so that the water cement ratio specified in the table is not exceeded. The

maximum size of coarse aggregate shall be as large as possible within the limits specified but in no case

greater than 1/4th of the minimum thickness of the member, provided that the concrete can be placed

without difficulty so as to surround all reinforcement thoroughly and to fill the corners of the form. For

reinforced concrete work, coarse aggregates having a nominal size of 20 mm. are generally considered

satisfactory. Admixture shall be used in concrete only with approval of the Engineer-in-charge based upon

the evidence that with the passage of time, neither the compressive strength of concrete is reduced nor are

other requisite qualities of concrete impaired by the use of such admixtures.

Proportioning shall be done by volume, except cement which shall be measured in terms of bags of

50 Kg. weight. The volume of one such bag being taken as 0.0342 m3. Boxes of suitable sizes shall be used for

measuring sand and aggregate. The size of the boxes (internal) shall be 30cm. x 30 cm. and 38 cm. deep.

While measuring the aggregate and sand, the box shall be filled without shaking ramming or hammering.

The proportioning of sand shall be on the basis of its dry volume and in case of damp sand, allowances for

bulk age shall be made.

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Ahmedabad Municipal Corporation

For all work, concrete shall be mixed in a mechanical mixer which along with other accessories shall

be kept in first class working condition and maintained throughout the construction. Measured quantity of

aggregate, sand and cement required for each batch shall be poured into the drum of the mechanical mixer

while it is continuously running. After about half a minute of dry-mixing, measured quantity of water

required for each batch of concrete mix shall be added gradually and mixing continued for another one and

a half minute. Mixing shall be continued till materials are uniformly distributed and uniform colour of the

entire mass is obtained and each individual particle of the coarse aggregate shows complete coating of

mortar containing its proportionate amount of cement. In no case shall the mixing be done for less than

minutes after all ingredients have been put into the mixer. Mixers which have been out of use for more than

30 minutes shall be thoroughly cleaned before putting in a new batch. Unless otherwise agreed to by the

Engineer-in-charge, the first batch of concrete from the mixture shall contain only 2/3rds of normal quantity

of coarse aggregate. Mixing plant shall be thoroughly cleaned before changing from one type of cement to

The degree of consistency which shall depend upon the nature of the work and methods of vibration

of concrete, shall be determined by regular slump tests in accordance with IS : 1199-1959. The slump of

mm. to 25 mm. shall be adopted when vibrators are used.

All Moulds shall be cleaned and made free from standing water, dust, snow or ice immediately before

placing of concrete.

Formwork/Metal Mould for exposed concrete surface (If indicated):

All the moulds shall be checked for exact dimensions of the Precast blocks. All the edges of the Precast

blocks shall confirm the profile of the final drawing & edges/ curvatures of the moulds shall be checked

accordingly. Moulds shall be regularly checked for correctness of dimensions of Blocks, twists, bends due to

handling, etc.. before starting every days work.

Care shall be taken to set all formwork/Mould in perfect line, level (or in required camber or slope as

specified) and plumb. Formwork/Mould propping shall be strong, rigid and sturdy. The formwork/Mould

shall be as per pattern & design shown in drawings. Formwork/Mould shall be done accurately and precisely

so as to achieve neat, clean and smooth concrete surface, in line, level and plumb. Clinks, twists, offsets,

warps, riveting etc. in plates or forms shall not be allowed. Before placing concrete, forms shall be

thoroughly cleaned off of all rust, dust and loose materials. Colorless oil or grease of approved quality shall

be applied before placing steel. Also the formwork material will be of wood/plywood/steel or any sort of

such material, as approved by the Engineer in charge, so that all exposed concrete surfaces have uniform

For all kind of exposed concrete work only one brand (to be approved by the Engineer-in charge)of cement

Removal of Moulds:

Specific time shall be identified for removal of moulds, such that the concrete of the Precast blocks shall

gain strength to withstand the stresses generated due to self weight and handling to drying yards without

any deformation to shape/ dimensions/ edges.

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Ahmedabad Municipal Corporation

Drying Period: Sufficient time shall be given to the block after it is removed from the mould so that it can

gain strength and dry in shade to prevent any cracks due to shrinkage. This shall be done in drying yards.

Curing of block shall be done only in curing pond and curing shall be done for minimum 14 days.

Drying period after removing from pond & before delivery to site:

Water should be drained of from the block before it is actually sent to the site. Time should be

provided for proper draining of water which may be present in the block kept for curing in the pond.

Precaution shall be taken while transporting of the blocks to site.

The blocks should be loaded and unloaded with due care so as to avoid generation of stresses leading to

breaking of block. Care should be taken to prevent the block from breaking during transporting.

The pits of the size 0.15 M in width and required depth shall first be excavated, true to line and level.

The relevant specifications of item A- 1 shall be followed for excavation work. The pits shall be filled with a

layer of 0.05 M. thick sand bedding. The curbs then shall be placed in position of which 50mm. shall be

below road. Care should be taken to maintain proper line and level. The joints between the kerbs shall be

pointed with C.M. 1:2 and cured for minimum seven days.

Sampling and testing of concrete:

Samples from fresh concrete shall be taken as per IS : 1199-1959 and cubes shall be made, cured and

tested at 7 days or 28 days as per requirements in accordance with IS : 516-1959. A random sampling

procedure shall be adopted to ensure that each concrete batch shall have a reasonable chance of being

tested i.e. the sampling should be spread over the entire period of concreting and cover all mixing units.

At least 1 sample shall be taken from each shift. Ten test specimens shall be made from each sample,

5 for testing at 7 days and the remaining 5 at 28 days. The samples of concrete shall be taken on each day of

the concreting as per above frequency. The number of specimens may be suitably increased as deemed

necessary by the Engineer-in-charge when procedure of tests given above reveals a poor quality of concrete

and in other special cases. The average strength of the group of cubes cast for each day shall not be less

than the specified cube strength of 200 Kg/cm2. at 28 days. 20% of the cubes cast for each day may have

value less than the specified strength provided the lowest value is not less than 85% of the specified

strength. If the concrete made in accordance with the proportions given for a particular grade, does not

yield the specified strength, such concrete shall be classified as belonging to the appropriate lower grade.

Concrete made in accordance with the proportions given for a particular grade shall not, however, be placed

in a higher grade on the ground that the test strength are higher than the minimum specified. If rock

pockets/honeycombs in the opinion of Engineer-in-charge are of such an extent or character so as to effect

the strength of the structure, materially or to endanger the life of the steel reinforcement, he may declare

the concrete defective and require the removal and replacement of the portion of the structure affected.

Precast Kerb Stones :

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Ahmedabad Municipal Corporation

The relevant specifications of concreting as per item above shall be followed except that work shall be

carried out for precast concrete kerb stones as specified in the item. All Precast members shall be cast at

workshop. Sufficient curing shall be done before placement of the same The method of transporting and

placing the precast members shall be as approved by the Engineer-in-charge. Members shall be so

transported that no breakage or undue stresses are induced in them. If required, all members shall have a

key provided on both the faces i.e. top and bottom surfaces, of adequate size so as to fill the same with

concrete while laying. The function of this key is to avoid the leakage through the joint between the precast

member and the member on which it is laid.

Mode of Measurements and Payment :

The rate shall include cost of formwork but exclude the cost of reinforcement. The volume occupied

by reinforcement shall not be deducted from R.C.C. work.

Mode of measurements and payment: The rate shall be for a unit of Rmt.

Supplying and fixing of 300 mm-L x 150 mm-B x 380 mm-H Kerb Block for Footpath in M-20 grade using

mm nominal size black trap aggregate of Sevaliya/Timba or equivalent quality for pre-cast blocks,

reasonably exposed finish/ formwork , mould with well equipped with vibratory system for kerb stones of

approved design including curing, etc. complete, including the cost of formwork etc. complete. The rate

shall also include necessary cutting of asphalt, fixing the Kerb stones in line and level on 5 cm thick sand

bedding with necessary equipments and materials. The rate shall also include the flush pointing in CM (1:3)

for all joints of the kerbstones. Filling of zari alone the sides of the kerb stone fixed with Bituminous

concrete mixed in proper position as directed by Engineer in change to form a portable mixture. In any

case Gravel or such type of materials shall not be allowed for production. a) Laying on 5 cm thick Sand

Supplying and fixing M-20 grade using black trap aggregate of Sevaliya/Timba or equivalent

quality 20 mm. nominal size for pre-cast reasonably exposed finish/, formwork using mould with well

equipped with vibratory system for kerb stones of approved design including curing, etc. complete, including

the cost of formwork etc. complete. The rate shall also include excavation and erecting and fixing the kerbs

in position with necessary equipments and materials. The rate shall also include the flush pointing in CM

(1:3) for all joints including kerb stones of approval design (Sample must be got approved). In any case Gravel

or such type of materials shall not be allowed for production .a) Laying on 5 Cms thick Sand Bedding Kerb

Stone Fixing 300mm-L x 150mm-B x 380mm-H :-

Supplying and fixing M-20 grade using black trap aggregate of Sevaliya/Timba or equivalent quality

20 mm. nominal size for pre-cast reasonably exposed finish/, formwork using mould with well equipped with

vibratory system for kerb stones of approved design including curing, etc. complete, including the cost of

formwork etc. complete. The rate shall also include excavation and erecting and fixing the kerbs in position

with necessary equipments and materials. The rate shall also include the flush pointing in CM (1:3) for all

joints including kerb stones of approval design (Sample must be got approved). In any case Gravel or such

type of materials shall not be allowed for production. a) Laying on 5 Cms thick Sand Bedding.

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Ahmedabad Municipal Corporation

Water shall confirm to M-1. Cement to M-2. Sand to M-5. Grit to M-7. Graded stone aggregate

mm. nominal size to M-10.

Contractor shall have to manufacture the blocks as per the dimensions given in the drawing. Specific

machineries shall be used to manufacture the Precast blocks. These machineries should be compatible to

produce blocks of required strength and dimensions. The machine shall contain hydraulic Press or advanced

equipment to generate required compaction & Grade and finish. Moulds/ Steel Plates/ Dies of the machine

shall be dimensionally checked & to be got approved before commencing the production. Contractor shall

prepare proper Drying Yard for keeping the blocks before curing. The drying yard shall be levelled and

covered so that no shrinkage cracks are formed. Contractor shall prepare adequate size curing pond to cure

the blocks for not less than 21 Days. No other means of curing shall be allowed. The technical specification

of concrete shall confirm to IS 456-2000. The concrete mix is not required to be designed and only nominal

mix as per IS : 456-2000 shall be followed. The proportion of the concrete mix shall be 1:1.5:3 (1 cement :

1.5 coarse sand : 3 graded stone aggregate 20 mm. nominal size) by volume. Concrete work shall have fairly

exposed concrete surface or as specified in the item. The designation ordinary M-10, M-15, M-20, M-25

specified as per I.S. corresponds approximately to 1:3:6, 1:2:4, 1:1.5:3 and 1:1:2 nominal mix of ordinary

concrete, by volume respectively. The ingredients required for ordinary concrete containing one bag of

cement of 50 Kg. by weight (0.0342 m3.) for different proportions of mix shall be as per IS 456-2000. The

proportion of the aggregate for the kerb stone shall be modified as per the approval of the engineer-in-

charge. The water cement ratios shall not be more than those specified as per IS. The cement of the mix

shall be increased, if the quantity of water in a mix has to be increased to overcome the difficulties of

placement and compaction so that the water cement ratio specified in the table is not exceeded. The

maximum size of coarse aggregate shall be as large as possible within the limits specified but in no case

greater than 1/4th of the minimum thickness of the member, provided that the concrete can be placed

without difficulty so as to surround all reinforcement thoroughly and to fill the corners of the form. For

reinforced concrete work, coarse aggregates having a nominal size of 20 mm. are generally considered

satisfactory. Admixture shall be used in concrete only with approval of the Engineer-in-charge based upon

the evidence that with the passage of time, neither the compressive strength of concrete is reduced nor are

other requisite qualities of concrete impaired by the use of such admixtures.

Proportioning shall be done by volume, except cement which shall be measured in terms of bags of

50 Kg. weight. The volume of one such bag being taken as 0.0342 m3. Boxes of suitable sizes shall be used for

measuring sand and aggregate. The size of the boxes (internal) shall be 30cm. x 30 cm. and 38 cm. deep.

While measuring the aggregate and sand, the box shall be filled without shaking ramming or hammering.

The proportioning of sand shall be on the basis of its dry volume and in case of damp sand, allowances for

bulk age shall be made.

For all work, concrete shall be mixed in a mechanical mixer which along with other accessories shall

be kept in first class working condition and maintained throughout the construction. Measured quantity of

aggregate, sand and cement required for each batch shall be poured into the drum of the mechanical mixer

while it is continuously running. After about half a minute of dry-mixing, measured quantity of water

required for each batch of concrete mix shall be added gradually and mixing continued for another one and

a half minute. Mixing shall be continued till materials are uniformly distributed and uniform colour of the

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Ahmedabad Municipal Corporation

entire mass is obtained and each individual particle of the coarse aggregate shows complete coating of

mortar containing its proportionate amount of cement. In no case shall the mixing be done for less than

minutes after all ingredients have been put into the mixer. Mixers which have been out of use for more than

30 minutes shall be thoroughly cleaned before putting in a new batch. Unless otherwise agreed to by the

Engineer-in-charge, the first batch of concrete from the mixture shall contain only 2/3rds of normal quantity

of coarse aggregate. Mixing plant shall be thoroughly cleaned before changing from one type of cement to

The degree of consistency which shall depend upon the nature of the work and methods of vibration

of concrete, shall be determined by regular slump tests in accordance with IS : 1199-1959. The slump of

mm. to 25 mm. shall be adopted when vibrators are used.

All Moulds shall be cleaned and made free from standing water, dust, snow or ice immediately before

placing of concrete.

Formwork/Metal Mould for exposed concrete surface (If indicated):

All the moulds shall be checked for exact dimensions of the Precast blocks. All the edges of the Precast

blocks shall confirm the profile of the final drawing & edges/ curvatures of the moulds shall be checked

accordingly. Moulds shall be regularly checked for correctness of dimensions of Blocks, twists, bends due to

handling, etc.. before starting every days work.

Care shall be taken to set all formwork/Mould in perfect line, level (or in required camber or slope as

specified) and plumb. Formwork/Mould propping shall be strong, rigid and sturdy. The formwork/Mould

shall be as per pattern & design shown in drawings. Formwork/Mould shall be done accurately and precisely

so as to achieve neat, clean and smooth concrete surface, in line, level and plumb. Clinks, twists, offsets,

warps, riveting etc. in plates or forms shall not be allowed. Before placing concrete, forms shall be

thoroughly cleaned off of all rust, dust and loose materials. Colorless oil or grease of approved quality shall

be applied before placing steel. Also the formwork material will be of wood/plywood/steel or any sort of

such material, as approved by the Engineer in charge, so that all exposed concrete surfaces have uniform

For all kind of exposed concrete work only one brand (to be approved by the Engineer-in charge)of cement

Removal of Moulds:

Specific time shall be identified for removal of moulds, such that the concrete of the Precast blocks shall

gain strength to withstand the stresses generated due to self weight and handling to drying yards without

any deformation to shape/ dimensions/ edges.

Drying Period: Sufficient time shall be given to the block after it is removed from the mould so that it can

gain strength and dry in shade to prevent any cracks due to shrinkage. This shall be done in drying yards.

Curing of block shall be done only in curing pond and curing shall be done for minimum 14 days.

Drying period after removing from pond & before delivery to site:

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Ahmedabad Municipal Corporation

Water should be drained of from the block before it is actually sent to the site. Time should be

provided for proper draining of water which may be present in the block kept for curing in the pond.

Precaution shall be taken while transporting of the blocks to site.

The blocks should be loaded and unloaded with due care so as to avoid generation of stresses leading to

breaking of block. Care should be taken to prevent the block from breaking during transporting.

The pits of the size 0.15 M in width and required depth shall first be excavated, true to line and level.

The relevant specifications of item A- 1 shall be followed for excavation work. The pits shall be filled with a

layer of 0.05 M. thick sand bedding. The curbs then shall be placed in position of which 50mm. shall be

below road. Care should be taken to maintain proper line and level. The joints between the kerbs shall be

pointed with C.M. 1:2 and cured for minimum seven days.

Sampling and testing of concrete:

Samples from fresh concrete shall be taken as per IS : 1199-1959 and cubes shall be made, cured and

tested at 7 days or 28 days as per requirements in accordance with IS : 516-1959. A random sampling

procedure shall be adopted to ensure that each concrete batch shall have a reasonable chance of being

tested i.e. the sampling should be spread over the entire period of concreting and cover all mixing units.

At least 1 sample shall be taken from each shift. Ten test specimens shall be made from each sample,

5 for testing at 7 days and the remaining 5 at 28 days. The samples of concrete shall be taken on each day of

the concreting as per above frequency. The number of specimens may be suitably increased as deemed

necessary by the Engineer-in-charge when procedure of tests given above reveals a poor quality of concrete

and in other special cases. The average strength of the group of cubes cast for each day shall not be less

than the specified cube strength of 200 Kg/cm2. at 28 days. 20% of the cubes cast for each day may have

value less than the specified strength provided the lowest value is not less than 85% of the specified

strength. If the concrete made in accordance with the proportions given for a particular grade, does not

yield the specified strength, such concrete shall be classified as belonging to the appropriate lower grade.

Concrete made in accordance with the proportions given for a particular grade shall not, however, be placed

in a higher grade on the ground that the test strength are higher than the minimum specified. If rock

pockets/honeycombs in the opinion of Engineer-in-charge are of such an extent or character so as to effect

the strength of the structure, materially or to endanger the life of the steel reinforcement, he may declare

the concrete defective and require the removal and replacement of the portion of the structure affected.

Precast Kerb Stones :

The relevant specifications of concreting as per item above shall be followed except that work shall be

carried out for precast concrete kerb stones as specified in the item. All Precast members shall be cast at

workshop. Sufficient curing shall be done before placement of the same The method of transporting and

placing the precast members shall be as approved by the Engineer-in-charge. Members shall be so

transported that no breakage or undue stresses are induced in them. If required, all members shall have a

key provided on both the faces i.e. top and bottom surfaces, of adequate size so as to fill the same with

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Ahmedabad Municipal Corporation

concrete while laying. The function of this key is to avoid the leakage through the joint between the precast

member and the member on which it is laid.

Mode of Measurements and Payment :

The rate shall include cost of formwork but exclude the cost of reinforcement. The volume occupied

by reinforcement shall not be deducted from R.C.C. work.

Mode of measurements and payment: The rate shall be for a unit of Rmt.

ITEM No.22 & 23 :

Pre cast concrete kerb Providing and fixing M25 Grade of concrete precast exposed / Fair finish / texture

finish kerb stones of approved make as per approved sample of any size and any type. Kerbs shall be fixed

on the foundation prepared as per approved design. The rate shall also include for erecting and fixing the

pieces in position for complete kerb system with chamfered type of kerbs including necessary accessories

of kerb like radius kerbs, angles and quadrant kerbs, droplet kerbs etc. complete as per drawing. Kerb shall

be fixed as paper joint without any jointing material. However cement mortar shall be provided at the

backside of kerb stone joint. (Sample must be approved) Cost of excavation, cutting , base , side filling shall

includes as directed engineer - incharge in above item description as per BOQ

(a) 450 mm high x 600mm x 150 mm high median kerb.

(b) 380 mm high x 600mm x 150 mm high Footpath kerb.

(1) Water shall conform to M-1.

(2) Cement shall conform to M-3.

(3) Sand shall conform to M-6.

(4) Stone aggregate shall conform to M-12

(5) Pre cast kerb shall be of approved make and as per approved sample.

1.0 Workmanship :

All Precast exposed/ fare finish/ texture finish kerb stones shall be of approved make.Sufficient curing shall

be done before placement of the same.

The method of transporting and placing the precast members shall be as approved by theArchitect and

Engineer-in-charge. Members shall be so transported that no breakage orundue stresses are induced in

The pits of the size 0.15 M in width and 0.23 M. in depth or as per site condition shall first be excavated,

true to line and level. The specifications for excavation shall be followed as per relevant item.

The pits shall be filled with a layer of 0.15 M. thick lean concrete M15. The kerbs shall be laid on existing PCC

base in true line and plumb. The specifications for PCC work shall be followed as per relevant item.

The rate shall also include for erecting and fixing the pieces in position for complete Kerb systems with

Chamfered type of kerbs including all type of necessary accessories of kerb like Radius Kerbs, Angles and

Quadrant Kerbs, inlet kerb etc complete as per drawing.

The rate shall also include the flush pointing in CM (1:2) for all joints of the kerb stones.

Mode of Measurement & Payment:

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Ahmedabad Municipal Corporation

The rate shall include the cost of material and labour for fixing the kerb system including laying, jointing and

finishing but excluding the cost of excavation, bitumen cutting, base PCC, zari filling with bitumen material

The Measurement of the item shall be in Rmt basis.

Providing & laying Mountable type Central Verge including casting of Kerb of size 15.00 x 32.50 Cm

by mechanical Kerb casting machinery andoil paint colour to Center verge (Kerb) by Yellow/white

and Black patta (Three Coat) one coat of priming & two coat of oil Paint including cost of material

required for paint and all labourworketc complete as per direction, detailed drawing and instruction of

engineer incharge.(Including Epoxy Piant of Approved Quality) (Central Verge) Rate Anlaysis as per AUDA

Providing & laying Mountable type Central Verge including casting of Kerb of size 15.00 x 32.50 Cm by

mechanical Kerb casting machinery andoil paint colour to Center verge (Kerb) by Yellow/white and

Black patta (Three Coat) one coat of priming & two coat of oil Paint including cost of material required

for paint and all labourworketc complete as per direction, detailed drawing and instruction of engineer

incharge.(Including Epoxy Piant of Approved Quality) (Central Verge) Rate Anlaysis as per AUDA tender

The Measurement of the item shall be in Rmt basis.

Supplyingand fixing for centralverge 230 mm L x 235 mm Width x 680 mm H Supplying & Fixing in M-

20 grade using 20 mm nominal size black trap aggregate of sevaliya / timba or equivalent quality for pre-

cast blocks,reasonably exposed finish/formwork,mould with well equipped with vibratory

system for kerb stones of approved design including curing,etc.com plete,including the cost of form work

etc.complete.The rate shall also include necessary cutting of asphalt,fixing the kerb stones in line and level

on 5 cm thick sand bedding with necessary equipments and materials.The rate shall also include the

flush pointing in CM(1:3)for all joints of the kerbstones.Filling of Zari alone thesides of the kerb

stone fixed with bituminous concrete mixed in proper position as directed by engineer in charge

to form a portable mixture.In any case gravel or such type of materials shall not be allowed for

Supplyingand fixing for centralverge 230 mm L x 235 mm Width x 680 mm H Supplying & Fixing in M-20

grade using 20 mm nominal size black trap aggregate of sevaliya / timba or equivalent quality for pre-cast

blocks,reasonably exposed finish/formwork,mould with well equipped with vibratory system for

kerb stones of approved design including curing,etc.com plete,including the cost of form work

etc.complete.The rate shall also include necessary cutting of asphalt,fixing the kerb stones in line and level on

5 cm thick sand bedding with necessary equipments and materials.The rate shall also include the flush

pointing in CM(1:3)for all joints of the kerbstones.Filling of Zari alone thesides of the kerb stone

fixed with bituminous concrete mixed in proper position as directed by engineer in charge to form

a portable mixture.In any case gravel or such type of materials shall not be allowed for production.

The Measurement of the item shall be in Rmt basis.

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Ahmedabad Municipal Corporation

Labour work for fixing any kind of paving with cement pointing in CM 1:2, including watering, ramming etc

comp. as dir. For pavement.

(I) Laying on Sand bedding as per requirement to fix the C.C.Block / Nibhada Stone in Line & Level

Work shall be carried out as per item description including cost of all labour and materials etc.

complete as directed. General standard practice of laying of paver block is applicable.

The measurements shall be on Smt. basis.

Providing and Laying of Rubber Moulded Paver Block Grey/Coloured 60 mm thick, M-35 Grade of any size ;

shape (Usually Uni-Paver Blocks) using black trap good quality aggragate of 20 mm nominal size for

footpath, parking areas, service lanes and other areas as mentioned in the drawing / instruction of

Engineer-in-Charge and/or his authorized representative. Cost includes formworks using rubber mould,

Rate providing and laying paver blocks as per required grading and specification. The paver block shall be

mechanically compacted. The work of paving blocks shall be executed in line and level by skill mason of

flooring work only. It should be laid in such a way that the no cutting of the paver block to be necessary. if

cutting of paver block necessary then it should be cut by machine only and carting. The finished surface of

the paver block shall have resonably good, plain finished. Paver blocks shall be compacted and shall be

relaid if necessary. Gravel or such type of materials shall not be allowed for production. Laying on 50 mm

thick sand bedding.

• Laying on 50 mm thick sand bedding.

Scope of work :

Excavation and compaction up to 300 mm in height for footpath paving in all sorts of soil murrum

including sorting outs and stacking of useful materials stuff up to 50mt.

The scope of work includes manufacturing, supplying, and lying of precast paver blocks at various

Retail outlets. The work includes: Verification of the existing site condition and advising our project

in charge to lay suitable base course if required. Contractors are required to satisfy themselves with

quality of sub grade, sub-base course before the paver blocks are laid and suggest strengthening if

Clearing the site by removing all obstacles such as stones, debris etc. for laying of paver blocks.

Manufacturing of paver blocks in your plant as per requirements in technical specification enclosed.

Supplying of paver blocks at site, including handling at both ends.

Laying of paver blocks at site as per requirement in technical specification on 50 mm thick sand

bedding, within shortest possible time the site is public place hence care should be taken to ensure

that the routine activities should not be disturbed. The job of laying may required to be carried out

during night also.Testing of paver blocks shall through reputed Govt. /Non Govt. Test house only

and submission of test results as per requirements in Technical Specifications. AMC reserves the

right to carryout test at random. Cost for such tests to be borne by party. The contractor shall

guarantee that all material and components designed, fabricated, supplied, and laid by him shall be

free from any type of defect due to faulty material and/or workmanship/erection for a period of

One year from the date of completion of work. However, the contractor one year's shall render free

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Ahmedabad Municipal Corporation

TECHNICAL SPECIFICATIONS:

Paver Block Manufacturing Facilities:

The Paver Block shall be made in factory with following minimum facilities:

Concrete Block making Machines:

The machine should be capable of producing high quality Paver Blocks by obtaining high level of

compaction by application of hydraulic compaction and also by high intensity vibration to the

moulds. The machine should have automatic control panel

for uniformity in strength.

Concrete Batching & Mixing Plant: (Not essential)

The concrete Mix Design should be followed for each batch of materials. The concrete ingredient

should be mixed in concrete Batching & Mixing plant with minimum capacity of 30 cum/hour. The

plant should equipped with automatic control panel for maintaining water cement ratio from batch

to batch to obtain concrete of uniform quality and strength. The plant should be equipped with

adequate mechanism for mechanized loading of raw materials into mixer and conveyor belt for

transportation of concrete from mixer to concrete block making machine to maintain quality of wet

The factory should have well designed curing area to ensure adequate curing of paver blocks.

Laboratory (Desirable but not essential) :

The testing equipment should have required in the Laboratory as per the following: A Compression

testing machine of adequate capacity.

Other tools and equipment for testing raw materials and paver blocks.

Systematic record of test results of various paver blocks manufactured in the factory. Concrete Mix

Design for various grade of concrete used for making of paver blocks.

Specifications For Coloured Paver Blocks:

Coloured concrete paver blocks shall be manufactured as per attached specifications using or

equivalent approved colour Pigment of “BAYER” Make “BAYFERROX IRONOXIDE PIGMENTS” with

minimum colour pigment of 3% by weight of cement. The colour shade shall be “RED” as selected

by AMC before commencement of the work. White cement shall be used for colored pavers to

obtain the desired colour shade. The job also includes providing 50 mm thick sand bedding to match

the shade of the paver block.

The colour of the paver block shall be guaranteed against fading of colour for period of 12 months

from the date of laying of the same at site.

All other technical specifications & Procedure for testing, laying & sampling of coloured pavers will

be as per attachment.

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Ahmedabad Municipal Corporation

Pavers Block Characteristics:

The concrete pavers should have perpendicularities after release from the mould and the same

should be retained until the laying. The surface should be reasonably smooth and of anti skid and

anti glare type. The paver should have uniform chamfers to facilitate easy drainage surface run off.

The pavers should have uniform interlocking space of 2mm to 3mm to ensure compacted sand

filling after vibration on the paver Surface. The concrete mix design should be followed for each

batch of materials separately and automatic batching plant is to be used to achieve uniformity in

strength and quality. The pavers shall be manufactured in single layer only. Skilled labour should be

employed for laying blocks to ensure line and level of laying, desired shape of the surface and

adequate compaction of the sand in the joints. The pavers shall be of cement gray colour without

any pigment & for coloured pavers refer “specifications for coloured pave`” The pavers are to be

skirted all round with kerbing using solid concrete blocks of size 150mm X 250mm X 380mm. The

kerbing should be embedded for 100mm depth. The concrete used for kerbing shall be cured

properly for 7 days minimum.

Paver Block Dimensions:

Thickness 60 mm

Shape Unipaver, I shape or directed by Addl.C.E.

Chamfer 4mm to 6mm along top edges

Colour Natural cement grey colour without use of any pigment.

For coloured pavers refer “specifications for

coloured pavers”

Dimensional Tolerance (+/-) 2mm for length & width,

(+/-) 3mm for Height (Thickness)

Testing of Paver Blocks :

SR. NO. TEST Average Values Frequency

1. Compressiv Strength Min. 35 N/Sq mm for 60 250 Smt / 1 Test

2. Flexural Strength Minimum 4.5 N/Sq mm

3. Abrasion Resistance Maximum 1.5 N/Sq mm

4. Water Absorption Maximum 5.80%

* Sampling and testing procedure as per enclosed specifications.

Sampling and Testing Procedure for Paver Blocks

INTERNAL – Average of minimum 3 samples per 5000 Blocks.

Method of sampling :

Before laying paver blocks, each designated section comprising not more than 5000 blocks, shall be

divided into ten approximately equal groups. Three blocks shall be drawn from each group.

Marking and identification :

All samples shall be clearly marked at the time of sampling in such a way that the designated

section of part thereof, and the consignment represented by the sample, are clearly defined.

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Ahmedabad Municipal Corporation

The sample shall be dispatched to the approved test laboratory taking precaution to avoid damage

to the paving in transit. Protect the paving from damage and contamination until they have been

tested. The testing shall be carried as soon as possible, after the sample has been taken. As soon as

practicable after sampling. The samples shall be stored in water at 20 degree C  5 degree C for

hours prior to testing.

The item is to be executed as per instructions and to the entire satisfaction of Engineer-in-Charge

and/or his authorized representative using Rubber mould and Table vibrator for Kerb instead of

mechanical press system.

Extra rate for excavation of asphalt payment of any thickness including demolishing the asphalt

carpet, metal, soling etc. complete with stacking the materials as directed. The road surface of

asphalt shall carefully be opened to full width as directed by the Engineer-in-Charge and/or his

authorized representative.

Excavation area shall be properly identified and marked in rectangular shape. The road crust shall

be opened up to entire depth i.e. including soling. All the materials shall be separately deposited in

such a way and in places as may be determined by the Engineer-in-Charge and/or his authorized

representative. In case rubble not being so deposited or being mixed up with the excavated

materials will not be allowed for refilling. The cost of materials shall be charged from the

contractor. The decision of the C.E. shall be final and binding to the contract.

For detailed specification for Laying of Paver Block on sand bedding, refer R & B Department

booklet for General Technical Specification for building works. The rate shall be for a unit of SMT.

ITEM No.28 & 29 :

Paver Block : Providing and laying shot blasted Non - interlocking, Paver blocks of specified thickness, size,

grade of concrete and colour machine made and blasting by automatic shot blasting machine and high

density of as per approved sample of approved make for footpath, parking areas, service lanes,cross over

and other areas as mentioned in the drawing. Including providing and laying 50 mm thick average bedding

layer of coarse sand below paver block as per required grading and specification. Laid paver block shall be

mechanically compacted. The work of the paving blocks shall be executed in line and level by skilled mason

of flooring work only. Small size of paver block with same specification shall be used at residue or at end. It

should be laid in such a way that the no cutting of the paver block to be necessary. If cutting of paver block

shall be required , than cut by machine only and laying to be done by skilled flooring mason. The finished

surface of the paver block shall have coarse sand Texture Finish. Pave blocks shall be compacted and shall

be re-laid if necessary. Actual laid area shall be measured and paid without any wastage. (A) 60 mm &

mm thick M-35 grade Grey Paver block of size 200mm x 200mm. (AMC approved rate)

The scope of work:

It includes supplying and laying of Precast shot blasted by automatic shot blasting machine in factory (not

on site) paver blocks at footpath, parking area, service lane and other areas.

The work includes:

Paver block should be laid over prepared sub grade.

Clearing the site by removing all obstacles such as stones, debris etc. for laying of paver blocks.

Signature of Bidder Page 50 of

Ahmedabad Municipal Corporation

Manufacturing of paver blocks by one of the approved suppliers as per requirements intechnical

specification enclosed.

Supplying of paver blocks at site, including handling at both ends. The type of paver block may be

interlocking or non-interlocking.

Providing and laying average 50 mm coarse sand bedding for laying blocks.

Laying of paver blocks at site as per requirement in technical specification, within shortest possible time.

Testing of paver blocks through reputed Govt. /Non Govt. Test house and submission of test results as per

requirements in Technical Specifications. Client reserves the right to carryout test at random. Cost for such

tests to be borne by contractor.

The contractor shall guarantee that all material and components designed, fabricated, supplied and laid by

him shall be free from any type of defect due to faulty material and/or workmanship/erection for a period of

five year from the date of completion of work at individual sites. However, the contractor for five years shall

render free maintenance.

Technical Specifications:

Paver Block Manufacturing Facilities:

The Paver Block shall be made in factory with following minimum facilities:

Concrete Block making Machines:

The machine should be capable of producing high quality Paver Blocks by obtaining high level of compaction

by application of hydraulic compaction and also by high intensity vibration to the moulds. The machine

should have automatic control panel for uniformity in strength.

Concrete Batching & Mixing Plant: (Not essential) The concrete Mix Design should be followed for each

batch of materials. The concrete ingredient should be mixed in concrete Batching & Mixing plant with

minimum capacity of 30 cum/hour. The plant should be equipped with automatic control panel for

maintaining water cement ratio from batch to batch to obtain concrete of uniform quality and strength.

The plant should be equipped with adequate mechanism for mechanized loading of raw materials into

mixer and conveyor belt for transportation of concrete from mixer to concrete block making machine to

maintain quality of wet cement.

The factory should have well designed curing area to ensure adequate curing of paver blocks. Steam

curingfacility of the paver blocks is preferable.

Laboratory (Desirable but not essential) :

The factory should have the following:

Compression testing machine of adequate capacity.

Other tools and equipment for testing raw materials and paver blocks.

(1) Systematic record of test results of various paver blocks manufactured in the factory.

(2) Concrete Mix Design for various grade of concrete used for making of paver blocks.

Specifications for Coloured Paver Blocks:

Signature of Bidder Page 51 of

Ahmedabad Municipal Corporation

Colour concrete paver blocks shall be manufactured as per attached specifications using approved

colour Pigment of iron oxide of approved brand like Bayer, Tata etc. with minimum colour pigment

of 3% by weight of cement. The colour shade shall be as selected by Architect before

commencement of the work. The job also includes providing 50 mm thick sand bedding to match

the shade of the paver block.

The colour of the paver block shall be guaranteed against fading of colour for period of 12 months

from the date of laying of the same at site.

All other technical specifications & Procedure for testing, laying & sampling of Color pavers will be

as per attachment.

Paver Block Characteristics:

The concrete pavers should have perpendicularities after release from the mould and the same

should beretained until the laying.

The surface should be reasonably smooth and of anti skid and anti glare type. The paver should have

uniformchamfers to facilitate easy drainage surface run off.

The pavers should have uniform interlocking space of 2mm to 3mm to ensure compacted sand filling

aftervibration on the paver Surface.

The concrete mix design should be followed for each batch of materials separately and automatic

batchingplant is to be used to achieve uniformity in strength and quality.

The pavers shall be manufactured in Double layer only.

Skilled labour should be employed for laying blocks to ensure line and level of laying, desired shape

of thesurface and adequate compaction of the sand in the joints.

Paver Block Dimensions:

Layers Double layered, top layer minimum 8 to 10 mm

Shape Irregular (Uniform Shape with no Hollow Or Cracks) / as per Drawing

Chamfer 4mm to 6mm along top edges

Colour Natural cement grey Colour without use of any

pigment.For Colour pavers refer “specifications

for Colour pavers”

Dimensional Tolerance (+/-) 2 mm for length & width

(+/-) 3 mm for Height (Thickness)

Testing of Paver Blocks:

* Sampling and testing procedure as per enclosed specifications.

Sampling & Testing Procedures for Paver Blocks:

INTERNAL – Average of minimum 3 samples per 10000 Blocks for compressive strength and

waterabsorption.

EXTERNAL – Minimum 2 Blocks per 10000 blocks for abrasion and flexure.

Sampling For Testing:

Sampling for testing of paver blocks shall be done in accordance with Appendix-A.

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Compressive Strength:

Testing for compressive strength shall be undertaken in accordance with Appendix-B.

The average compressive strength of the blocks tested shall be 30/40 N/Sq.mm as per thickness.

Abrasion Resistance:

Testing for abrasion shall be in accordance with IS 1237 (Specifications for Cement Concrete Floor Tiles).

Flexural Strength:

Testing for flexural shall be in accordance with IS 1237 (Specifications for Cement Concrete Floor

Water Absorption:

Testing for water absorption shall be in accordance with IS 2185:1979: Part I (Specifications for

Concrete Masonry Units).

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Method of sampling:

Before laying paver blocks, each designated section comprising not more than 10000 blocks, shall

be divided into five approximately equal groups. One block shall be drawn from each group i.e. 3 for

internal testing and 2 for external testing.

Marking and identification:

All samples shall be clearly marked at the time of sampling in such a way that the designated

sections of part thereof, and the consignment represented by the sample, are clearly defined.The

sample shall be dispatched to the approved test laboratory taking precaution to avoid damage to

the paving in transit. Protect the paving from damage and contamination until they have been

tested. The testing shall be carried as soon as possible, after the sample has been taken. As soon as

practicable after sampling. The samples shall be stored in water at 20 degree oC for 24 hours prior

SR.NO. * TEST SPECIFICATION Average Values

(Average of Minimum Five Samples/Site)

1. Compressive Strength Min. 30 N/Sq.mm for 60mm thick and Min.

N/Sq.mm for 80 mm thick.

2. Flexural Strength Minimum 3.80 N/Sq.mm and 4.5 N/ Sq. mm for 60 and

80 mm thick paver block respectively.

3. Abrasion Resistance Maximum

4. Water Absorption Maximum 5.80%

5. Minimum Cement Content 380 Kg/Cum for M 30 concrete and 430 Kg/Cum for M

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Test For Compressive Strength:

Testing Machine:

The testing machine shall be of suitable capacity for the test and capable of applying the load of the

rate specified. It shall comply, as regards repeatability and accuracy, with the requirements of

clause 2.1 of BS: 1881-Part

The sample specimen shall be tested in a wet condition after being stored for at least 24 hours in

water maintained at a temperature of 20 oC + or – 5 oC. Before thespecimens are submerged in

water, the necessary area shall be determined.

The plates for testing machines shall be wiped clean and any loose grit or other material removed

from the contact faces of the specimen. Plywood, nominally 4 mm thick shall be used as packing

between the upper and lower faces of the specimen and the machine plates and these boards shall

be larger than the specimen by the margin of at least 5 mm

at all points. Fresh Packing shall be used for every specimen tested.

The specimen shall be placed in the machine with the wearing surface in the horizontal plane and in

such a way that the axes of the specimen are aligned with those of the machine plates.

The load shall be applied without shock and increased continuously at the rate of approximately

N/ Sq.mm per minute until no greater load can be sustained. The maximum load applied to the

specimen shall be recorded.

Calculation of corrected strength for individual Blocks:

The compressive strength of each block specimen shall be calculated by dividing the maximum load

by full cross section area of the block and multiplying with an appropriate factor of:-

c) For 100 mm thick blocks –

d) For 80 mm thick blocks –

e) For 60 mm thick blocks –

Compressive Strength Calculation:

The average corrected compressive strength for the designed blocksection shall be calculated.

4.0 Method of laying:

Blocks shall be placed on the sand bedding etc. which were well rammed so as to act as firm bed.

Blocks shall be laid in such manner that no gap shall be left in between. Blocks so laid shall be

compacted by means of mechanical compactor or equivalent compacting method so as to obtain

required finished surface. All the joints shall be matched and if any manufacturing defect is

detected the lot shall be replaced and relaying shall be done with out any extra cost up to

satisfaction of Engineer in charge.

50 to 80 mm thick coarse sand shall be laid as cushioning layer for arranging the paver blocks. Joints

of the paver blocks shall be filled with the sand.

The paver blocks shall be laid properly on the prepared sub-base as per manufacturer's specification

and as per Architect and Engineer-in-charge's instruction.

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Paver block shall be laid by the approved agency only. If manufacturer of the paver block providing

the laying services, then it shall be laid through the supplying agency only. The labourers for paver

block fixing shall be skilled flooring mason only. Only cutting tool shall be used for cutting the paver

block. Full depth cutting toll shall be used for proper finished surface after cutting. Manual cutting

or breaking of the paver block is not permitted.

After laying of the paver block fine sand shall be spread over it and paver block shall be compacted

with mechanical compactor. Any settlement or undulation in the laid area shall be repaired

5.0 Mode of Measurement and payment:

Measurement shall be done as per actual area laid without considering any wastage.

The Measurement of the item shall be in Sqmt basis.

Providing and laying cement concrete tac tile flag stone (for vision impaired persons as per

standards) of size 300x 300x 60 mm thick of approved make and pattern having water

absorption not over 6% and conforming to IS: 13801:1993, of approved make, pattern and

shade(with UV light resistant colours from Lanxess only) in outdoor floors such as footpath, plaza,

multimodals location etc., laid on 40 mm thick base of cement mortar 1 : 4 (1 cement : 4 coarse sand

) in all shapes & patterns including grouting the joints with white cement mixed with

matchingpigments, curing, finishing etc. complete as per direction of Engineer-in- Charge. Sample

shall be approved by Engineer in charge. Law Garden Rate)

Providing and laying cement concrete tac tile flag stone (for vision impaired persons as per standards) of

size 300x 300x 60 mm thick of approved make and pattern having water absorption not over 6% and

conforming to IS: 13801:1993, of approved make, pattern and shade(with UV light resistant colours

from Lanxess only) in outdoor floors such as footpath, plaza, multimodals location etc., laid on 40 mm thick

base of cement mortar 1 : 4 (1 cement : 4 coarse sand ) in all shapes & patterns including grouting the

joints with white cement mixed with matchingpigments, curing, finishing etc. complete as per direction

of Engineer-in- Charge. Sample shall be approved by Engineer in charge. Law Garden Rate)

The Measurement of the item shall be in Smt basis.

Soil Filling for Gardening / Plantation Providing and laying good quality garden soil,obtained from out

side which can be useful for all plants as per specification. Garden soil shall be mixture of 1 part Garden

Sweet Soil 1 part Coco Peat: 1 part Well Rotted Organic Compost (1:1:1) including laying of soil in

required quantity and in proper slope as mentioned in drawing, watering, compacting and

dressing etc. complete, as directed in specifications and by engineer in charge.Law Garden Rate)

Soil Filling for Gardening / Plantation Providing and laying good quality garden soil,obtained from out side

which can be useful for all plants as per specification. Garden soil shall be mixture of 1 part Garden

Sweet Soil 1 part Coco Peat: 1 part Well Rotted Organic Compost (1:1:1) including laying of soil in

required quantity and in proper slope as mentioned in drawing, watering, compacting and

dressing etc. complete, as directed in specifications and by engineer in charge.Law Garden

Rate)The Measurement of the item shall be in Cmt basis.

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Ahmedabad Municipal Corporation

Providing and fixing Tree Guard with grey exposed finish in grade M-20 with nominal steel and wall

thickness of 100mm. (Approved Extra Item Rate)

Outer Size 700 X

Outer Size 900 X

Providing and fixing Tree Guard with grey exposed finish in grade M-20 with nominal steel and wall thickness

of 100mm. (Approved Extra Item Rate)

The Measurement of the item shall be in Nos basis.

HUME PIPE FOR TREE PIT Providing and fixing RCC NP3 class humepipe of 900mm internal dia. and

required length in single piece or two circular half for tree pit shall be placed in excavated pit as

per drawing and as directed by engineer in charge. Rate shall be inclusive of material, labour for

cutting, excavation, placing in position etc complete.( Law Garden Rate)

HUME PIPE FOR TREE PIT Providing and fixing RCC NP3 class humepipe of 900mm internal dia. and

required length in single piece or two circular half for tree pit shall be placed in excavated pit as per

drawing and as directed by engineer in charge. Rate shall be inclusive of material, labour for

cutting, excavation, placing in position etc complete.The Measurement of the item shall be in Rmt basis.

FRP TREE PIT COVER Providing and fixing solid tree pit cover around the tree pit, made of FRP ofsize

having approximate 1200mm outer dia and 750mm inner dia and 40mm thickness with

fixing arrangement with base structure of approved make and shade, as per design intent including

fixing as per drawing etc. complete as directed by Engineer in charge. Sample and mock-up shall

be approved by architect before execution. Garden Rate)

FRP TREE PIT COVER Providing and fixing solid tree pit cover around the tree pit, made of FRP ofsize

having approximate 1200mm outer dia and 750mm inner dia and 40mm thickness with fixing

arrangement with base structure of approved make and shade, as per design intent including fixing as per

drawing etc. complete as directed by Engineer in charge. Sample and mock-up shall be approved

by architect before execution. Garden Rate)The Measurement of the item shall be in No. basis.

Pre-cast concrete kerb Providing & fixing M25 grade of concrete factory-made precast exposed/ fair

finish kerb stones of approved make and as per sample approved of anysizes, any shape.Kerb

shall have chamfered type / pencil corner edges.Kerbs shall be fixed on the base PCC with cement

mortar 1:2 including flush pointing in CM (1:2) for all joints of the kerbstones, curing, etc. complete. The

rate shall also include erecting and fixing in position all varieties/ shapes of kerbs (i.e. radius

kerbs, corner kerb, quadrant kerbs, drain out kerb, flat kerb, parking edge kerb, ramp kerb etc) as per

drawing. Precast kerb shall be protected with good quality plastic sheet for protection against

bituminous/concretework.The rate shall include the joining,curing, finishing,protection etc complete as

directed by the engineer in charge. Actual installed kerb volume shall be measure din payment.

Sample and Mock-up shall be carried out a ssuggested by the Architect and as directed by the

Engineer in charge. Sample and mock shall not be payable if rejected.The actual laid area shall

be measured for payment without any wastage. Base PCC, excavation (if required) and other required

civil work shall be paidin relevant items. damaged block shall not be used in laying. ( Law GardenRate )

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Ahmedabad Municipal Corporation

Pre-cast concrete kerb Providing & fixing M25 grade of concrete factory-made precast exposed/ fair

finish kerb stones of approved make and as per sample approved of anysizes, any shape.Kerb

shall have chamfered type / pencil corner edges.Kerbs shall be fixed on the base PCC with cement mortar

1:2 including flush pointing in CM (1:2) for all joints of the kerbstones, curing, etc. complete. The rate shall

also include erecting and fixing in position all varieties/ shapes of kerbs (i.e. radius kerbs, corner

kerb, quadrant kerbs, drain out kerb, flat kerb, parking edge kerb, ramp kerb etc) as per drawing. Precast

kerb shall be protected with good quality plastic sheet for protection against bituminous/concretework.The

rate shall include the joining,curing, finishing,protection etc complete as directed by the engineer in

charge. Actual installed kerb volume shall be measure din payment. Sample and Mock-up shall be

carried out a ssuggested by the Architect and as directed by the Engineer in charge. Sample and mock

shall not be payable if rejected.The actual laid area shall be measured for payment without any

wastage. Base PCC, excavation (if required) and other required civil work shall be paidin relevant items.

damaged block shall not be used in laying. ( Law GardenRate ) The Measurement of the item shall be in Rmt

MS Cylindrical Bollard/ delineators Providing and placing in position MS Bollard / delineators of any

size, any shape, in required thickness as per drawing (factorymade). Bollard/delineators shall be made of

MS section with base plate and bolts. Bollard / de line at or sshall be finished with two or more coats

of PUpaint (min 60 DFT) of approved make and shade over two coat of anti-corrosive epoxy base

primer, as per manufacturer's specification. Retro reflective strips of approved make shall be fixed on

bollard / delineators after painting work as per drawing.Bollard /delineators shall be fixed on concrete

base with required anchor fastener, bolts, other accessories etc with required civil work. Rate shall

be inclusive of all material (MS work, PU paint, reflective tape, fastener, accessories etc) but excluding

the cost of required civil work (i.e. excavation, filling, concrete base etc) as suggested by Engineer

in charge. (Law Garden Rate )

MS Cylindrical Bollard/ delineators Providing and placing in position MS Bollard / delineators of any

size, any shape, in required thickness as per drawing (factorymade). Bollard/delineators shall be made of

MS section with base plate and bolts. Bollard / de line at or sshall be finished with two or more coats of

PUpaint (min 60 DFT) of approved make and shade over two coat of anti-corrosive epoxy base primer, as

per manufacturer's specification. Retro reflective strips of approved make shall be fixed on bollard /

delineators after painting work as per drawing.Bollard /delineators shall be fixed on concrete base with

required anchor fastener, bolts, other accessories etc with required civil work. Rate shall be inclusive of

all material (MS work, PU paint, reflective tape, fastener, accessories etc) but excluding the cost of

required civil work (i.e. excavation, filling, concrete base etc) as suggested by Engineer in charge. (Law

Garden Rate ) The Measurement of the item shall be in No. basis.

Pre-cast concrete kerb Providing & fixing M25 grade of concrete factory-made precast exposed/ fair

finish kerb stones of approved make and as per sample approved of anysizes, any shape.Kerb

shall have chamfered type / pencil corner edges.Kerbs shall be fixed on the base PCC with cement

mortar 1:2 including flush pointing in CM (1:2) for all joints of the kerbstones, curing, etc. complete. The

rate shall also include erecting and fixing in position all varieties/ shapes of kerbs (i.e. radius

kerbs, corner kerb, quadrant kerbs, drain out kerb, flat kerb, parking edge kerb, ramp kerb etc) as per

drawing. Precast kerb shall be protected with good quality plastic sheet for protection against

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Ahmedabad Municipal Corporation

bituminous/concretework.The rate shall include the joining,curing, finishing,protection etc complete as

directed by the engineer in charge. Actual installed kerb volume shall be measure din payment.

Sample and Mock-up shall be carried out a ssuggested by the Architect and as directed by the

Engineer in charge. Sample and mock shall not be payable if rejected.The actual laid area shall

be measured for payment without any wastage. Base PCC, excavation (if required) and other required

civil work shall be paidin relevant items. damaged block shall not be used in laying. ( Law GardenRate )

Pre-cast concrete kerb Providing & fixing M25 grade of concrete factory-made precast exposed/ fair

finish kerb stones of approved make and as per sample approved of anysizes, any shape.Kerb

shall have chamfered type / pencil corner edges.Kerbs shall be fixed on the base PCC with cement mortar

1:2 including flush pointing in CM (1:2) for all joints of the kerbstones, curing, etc. complete. The rate shall

also include erecting and fixing in position all varieties/ shapes of kerbs (i.e. radius kerbs, corner

kerb, quadrant kerbs, drain out kerb, flat kerb, parking edge kerb, ramp kerb etc) as per drawing. Precast

kerb shall be protected with good quality plastic sheet for protection against bituminous/concretework.The

rate shall include the joining,curing, finishing,protection etc complete as directed by the engineer in

charge. Actual installed kerb volume shall be measure din payment. Sample and Mock-up shall be

carried out a ssuggested by the Architect and as directed by the Engineer in charge. Sample and mock

shall not be payable if rejected.The actual laid area shall be measured for payment without any

wastage. Base PCC, excavation (if required) and other required civil work shall be paidin relevant items.

damaged block shall not be used in laying. ( Law GardenRate ) The Measurement of the item shall be in No.

ITEM No.36 & 37 :

The Measurement of the item shall be in No. basis.

Providing and fixing exposed finish bollard having concrete grade M-20 with nominal steel. The rate

shall also include, Any Shape and Color including in rate, for erecting and fixing the bollard in position

as perdrawing, curing, finishing, cost of excavation, base PCC M15 grade and finish good,

rendering (ifrequired), transportation, loading and unloading charges, etc complete as directed by

Engineer in charge. Precast bollard shall be with provision with MS Hook & fixing safety chain

between two bollard. Weight of hook and chain shallbe paid in relevant tender items. Contractor

shall submit methodology for erection of bollard and get approved from Engineer in charge.

Location and type of each liffting hook shall be as per design intent and approved from engineer incharge.

Sample shall be approved by Architect and Engineer in charge before mass production.

Architect reserves right to reject part or all work of sub standard or not in confirmation to

approved sample as per mockup. Sample and mock shall not be payble if rejected or casted in

other location (not in scope of work area). (Approved Extra Item Rate)

RCC 300mm dia and 650mm height Cylindrical Bollard

RCC 900 mm height and 250x250 mm Bottom and 125X125 mm Top

Providing and fixing exposed finish bollard having concrete grade M-20 with nominal steel. The rate

shall also include, Any Shape and Color including in rate, for erecting and fixing the bollard in position as

perdrawing, curing, finishing, cost of excavation, base PCC M15 grade and finish good, rendering

(ifrequired), transportation, loading and unloading charges, etc complete as directed by Engineer

in charge. Precast bollard shall be with provision with MS Hook & fixing safety chain between two

bollard. Weight of hook and chain shallbe paid in relevant tender items. Contractor shall submit

methodology for erection of bollard and get approved from Engineer in charge. Location and type of

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Ahmedabad Municipal Corporation

each liffting hook shall be as per design intent and approved from engineer incharge. Sample shall be

approved by Architect and Engineer in charge before mass production. Architect reserves right

to reject part or all work of sub standard or not in confirmation to approved sample as per mockup.

Sample and mock shall not be payble if rejected or casted in other location (not in scope of work

area). (Approved Extra Item Rate) The Measurement of the item shall be in No. basis.

Providing and fixing exposed finish bollard having concrete grade M-20 with nominal steel. The rate

shall also include, Any Shape and Color including in rate, for erecting and fixing the bollard in position

as perdrawing, curing, finishing, cost of excavation, base PCC M15 grade and finish good,

rendering (ifrequired), transportation, loading and unloading charges, etc complete as directed by

Engineer in charge. Precast bollard shall be with provision with MS Hook & fixing safety chain

between two bollard. Weight of hook and chain shallbe paid in relevant tender items. Contractor

shall submit methodology for erection of bollard and get approved from Engineer in charge.

Location and type of each liffting hook shall be as per design intent and approved from engineer incharge.

Sample shall be approved by Architect and Engineer in charge before mass production.

Architect reserves right to reject part or all work of sub standard or not in confirmation to

approved sample as per mockup. Sample and mock shall not be payble if rejected or casted in

other location (not in scope of work area). (Approved Extra Item Rate)

Providing and fixing exposed finish bollard having concrete grade M-20 with nominal steel. The rate

shall also include, Any Shape and Color including in rate, for erecting and fixing the bollard in position as

perdrawing, curing, finishing, cost of excavation, base PCC M15 grade and finish good, rendering

(ifrequired), transportation, loading and unloading charges, etc complete as directed by Engineer

in charge. Precast bollard shall be with provision with MS Hook & fixing safety chain between two

bollard. Weight of hook and chain shallbe paid in relevant tender items. Contractor shall submit

methodology for erection of bollard and get approved from Engineer in charge. Location and type of

each liffting hook shall be as per design intent and approved from engineer incharge. Sample shall be

approved by Architect and Engineer in charge before mass production. Architect reserves right to

reject part or all work of sub standard or not in confirmation to approved sample as per mockup.

Sample and mock shall not be payble if rejected or casted in other location (not in scope of work area).

The Measurement of the item shall be in No. basis.

Providing and laying cement concrete 1:3:6 (1- Cement : 3- coarse sand : 6- hand broken stone aggregates

40 mm nominal size) and curing complete excluding cost of formwork in (A) Foundation and Plinth Building

SOR 2023-24 Iteam Cod : 05003A Iteam No. As Per NBO 5.3.2 Page No.52

Before starting the concrete the bed of the foundations trenches shall be cleared of all loose materials and

watered and rammed as directed. The proportion of cement, sand and hand broken stone aggregates shall be

one part of cement, 3 parts of coarse sand, 6 parts of hand broken stone aggregates and shall so measured by

volume. The concrete shall be mixed in a mechanical mixer at the site of work. Hand mixing may however be

allowed for smaller quantity of work if approved by the Engineer-incharge. When hand mixing is permitted by

the Engineer-in charge in case of breakdown of machinery’s and in the interest of the work. it shall be carried

out on a water tight platform and care shall be taken to ensure that mixing is continued until the mass is

uniform in colour and consistency. The quantity of water shall be sufficient to produce a dense concrete of

required workability for the purpose. The concrete shall be handled from the place of mixing to the final

position in not more than 15 minutes by the method as directed and shall be placed into its final position,

compacted and finished within 30 minutes of mixing with water i.e. before the setting commences. The

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concrete shall be laid in layers of 15 cms. to 20 cms. The concrete shall be rammed with heavy iron rammers

and rapidly to get the required compaction and to allow all the gaps to be filled with mortar. After the final

set, the concrete shall be kept continuously wet, if required by pounding for a period of not less than 7 days

from the date of placement The concrete shall be measured for its length breadth and depth, limiting

dimensions to those specified on plan or as directed.

Mode of measurements shall be on CMT basis

Item No.40 Providing and laying cement concrete 1:4:8 (1- Cement:4- coarse sand:8- hand broken stone

aggregate 40 mm nominal size) and curing complete excluding cost of form work in (A)

Foundation and plinth.

1.1 Water shall conform to M-1, Cement shall conform to M-3. Sand shall conform to M-6. Stone

aggregate 40 mm. Nominal size shall conform to M-12.

2.0 Workmanship :

2.1 The relevant specification of item No 5.3.2.

2.2 (A) shall be followed for the work except that the work is to be carried out in cement concrete 1:4:8.

3.0 Mode of measurement and payment :

3.1 The concrete shall be measured for its length, breadth and depth. Limiting dimensions to those

specified on plans or as directed.

The rate shall be for a unit of one cubic meter.

Item No.41 Providing and laying cement concrete 1:5:10 (1- Cement : 5- Coarse sand : 10- hand

broken stone aggregates 40 mm nominal size) and curing complete excluding cost of

formwork in (A) Foundation and Plinth

3.2 Water shall conform to M-1, Cement shall conform to M-3. Sand shall conform to M-6. Stone

aggregate 40 mm. Nominal size shall conform to M-12.

4.0 Workmanship :

4.1 The relevant specification of item No 5.3.2.

4.2 (A) shall be followed for the work except that the work is to be carried out in cement concrete 1:5:10.

5.0 Mode of measurement and payment :

5.1 The concrete shall be measured for its length, breadth and depth. Limiting dimensions to those

specified on plans or as directed.

The rate shall be for a unit of one cubic meter.

Item no.42 Excavation for foundation upto 1.5 m depth including sorting out and stacking of useful

materials and disposing off the excavated stuff upto 50 Meter lead. (A) Loose or soft soil

0 to 1.5 meter depth.

Any soil which generally yields to the application of pickaxes and shovels, spades, rakes or any such ordinary

excavating implement or organic soil, gravel, silt, sand turf loam, clay, peat etc. falls under this category. For

materials and workmanship for earthwork and excavation, relevant specification IS: 3764 & IS 1200 (Part I)

shall be followed.

The depth of the excavation shall be as per the item description.

Clearing the Site:

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Ahmedabad Municipal Corporation

The site where the Development has to be carried out shall be cleared and all obstructions, loose

stones, materials and rubbish of all kind, bush; wood and all type trees shall be removed, as

The materials so obtained shall be the property of the Client and shall be conveyed and stacked as

directed, within 50-m. lead. The roots of the trees coming in the sides of the trenches shall be cut

and coated with hot Bitumen.

All types of trees, woods etc. which requires prior permission of Govt./ Forest Authority / Municipal

Commissioner, before cutting shall be cut after obtaining such permission from them. It shall be the

Client's responsibility to obtain such permission from the respective authorities.

The rate of site clearance is deemed to be included in the rate of earthwork, for which no extra will

After cleaning the site, the centerline of the central verge & other constructions will be given by the

Engineer-in-charge. The Contractor shall assume full responsibility for alignment, elevation and

dimension of each and all parts of the work. Contractor shall supply labours, materials, etc. required

for setting out the reference marks and bench marks made of MS angle iron and embedded in 1:2:4

They shall maintain the same as long as required and directed.

The excavation shall be carried out in true line and level and shall have the width and depth, as

shown in the drawings or as directed. The Contractor shall do the necessary shoring and strutting or

shall provide necessary slopes to a safe angle or steps, as required or directed, at his own cost. No

extra payment shall be made for such precautionary measures, taken. The bottom of the excavated

area shall be leveled both longitudinally and transversely, as directed, by removing excess soil and

watering, as required. No earth filling will be allowed for bringing it to level, if by mistake or any

other reason, excavation is made deeper or wider than shown on the drawings or as directed. The

extra depth or width shall be made up with sand filling, as specified for the bottom level of the

subsequent finishing at the cost of the Contractor or as directed by Engineer-In-Charge.

The Contractor shall at his own expense and without extra charge make provision of supporting all

utility services, lighting the excavated areas, separating and stacking serviceable materials

neatly,shoring, timbering, strutting, bailing out water either sub-soil or rainwater, including

pumping at any stage of the work. Excavated areas shall be kept free of water while masonry or

concrete or relevant base works are in progress and till the Engineer-in-charge considers it

Disposal of the Excavated Stuff:

The excavated stuff of the selected type shall be used in filling the excavated areas wherever

required inlayers, including ramming and watering, ensuring proper compaction etc. complete.

The Contractor shall remove the balance of the excavated quantity from the site of work, to a place,

as directed and for all lift.

The lead is the shortest practical route and not necessarily the route actually taken. The decision of

Engineer-In-charge shall be final in this regard.

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Ahmedabad Municipal Corporation

Mode of Measurement and Payment:

The measurement of excavation of excavated area shall be made according to the sections shown

on the drawing or as per sections given by the Engineer-in-charge. No payment shall be made for

surplus excavation made in excess of above requirements or due to stepping and sloping back as

found necessary, on account of conditions of soil and requirements of safety.

The rate shall include for clearing the site, surface dressing, making layout for road, fixing

permanent grid points with MS iron posts, embedded in C.C. 1:2:4, placed sufficiently away from

the existing traffic lines and establishing bench marks etc.

The rates shall include for necessary shoring, timbering and strutting for protection of sides of the

excavated area, pumping out rain or surface water at any stage of construction so as to keep the

excavated area dry, to the satisfaction of the /Engineer-in-charge.

The rate shall include leveling and ramming the bottoms of excavations to receive concrete, etc.

including trimming to slope wherever necessary etc. complete.

In filling clods bigger than 50 mm shall not be allowed. Only consolidated measurements of filling shall be

paid. Consolidation to be done by mechanical compactor as per relevant item.

Item no.43 Paver Block Providing and laying, Dished Channel specified thickness, size, grade of

concrete and colour machine made and blasting by automatic shot blasting machine

and high density of as per approved sample of approved make for suite drain besides

paking area and other areas as mentioned in the drawing. Including providing and laying

50 mm thick average bedding layer of coarse sand below dished channel as per required

grading and specification. Laid dished channel shall be mechanically compacted. The work

of the dished channel shall be executed in line and level by skilled mason. Small size of

dished channel with same specification shall be used at residue or at end. If cutting of

dished channel shall be required , than cut by machine only and laying to be done by skilled

flooring mason. Actual laid area shall be measured and paid without any wastage. (A)

mm X 300 mm X 100 mm thick M-25 grade Grey dished curved channel (E.I. -

Paver Block Providing and laying, Dished Channel specified thickness, size, grade of

concrete and colour machine made and blasting by automatic shot blasting

machine and high density of as per approved sample of approved make for suite

drain besides paking area and other areas as mentioned in the drawing. Including

providing and laying 50 mm thick average bedding layer of coarse sand below dished

channel as per required grading and specification. Laid dished channel shall be

mechanically compacted. The work of the dished channel shall be executed in line

and level by skilled mason. Small size of dished channel with same specification

shall be used at residue or at end. If cutting of dished channel shall be required , than

cut by machine only and laying to be done by skilled flooring mason. Actual laid area

shall be measured and paid without any wastage. (A) 600 mm X 300 mm X 100 mm

thick M-25 grade Grey dished curved channel The Measurement of the item shall be in

Signature of Bidder Page 63 of

Ahmedabad Municipal Corporation

Painting two coats (excluding priming coat) on new steel and other metal surface with enamel

paint, brushing, interior to give an even shade including cleaning the surface an even shade including

cleaning the surface of all dirt, dust and other foreign matter

Painting Two Coats on New Concrete Surface ( Painting two coats after filling the surface with synthetic

enamel paint in all shades on new plastered concrete surfaces

The colour and workmanship shall be in accordance with the Code of Practice for painting, and as

specified in the drawings or as directed by the Engineer

Synthetic enamel paint shall conform to IS.

2.0 Workmanship:

2.1.1 The materials required for work of painting work shall be obtained directly from approved

manufacturers or approved dealer and brought to the site in maker's drums, kegs etc. with seal

2.1.2 All materials not in actual use shall be kept properly protected, lids of containers shall be kept closed

and surface of paint in open or partially open containers covered with a thin layer of turpentine to

prevent formation of skin. The materials which have become stale or flat due to improper and long

storage shall not be used. The paint shall be stirred thoroughly in its container before pouring into

small containers. While applying also the paint shall be continuously stirred in smaller container. No

left over paint shall be put back into stock tins. When not in use, the containers shall be kept properly

2.1.3 If for any seasons, thinning is necessary, the brand of thinner recommended by the manufacturer

2.1.4 The surface to be painted shall be thoroughly cleaned and dusted. All rust, dirt and grease shall be

thoroughly removed before painting is started. No painting on exterior or other exposed parts of the

work shall be carried out in wet, damp of otherwise unfavorable weather and all the surfaces shall be

thoroughly dry before painting work is started.

2.2 Application:

2.2.1 Brushing operations are to be adjusted to the spreading capacity advised by the manufacture of

particular paint. The paint shall be applied evenly and smoothly by means of crossing and laying off.

The crossing and laying off consists of covering the area over with paint, brushing the surface hard for

the first time over and then brushing alternately in opposite directions two or three times and then

finally brushing lightly in direction at right angles to the same.

In this process, no brush marks shall be left after the laying off is finished. The full process of crossing

and laying off will constitute one coat.

Signature of Bidder Page 64 of

Ahmedabad Municipal Corporation

2.2.2 Each coat shall be allowed to dry completely and lightly rubbed with very fine grade of sand paper

and loose particles brushed off before next coat is applied. Each coat shall vary slightly in shade and

shall be got approved from Engineer-in-charge before next coat is started.

2.2.3 Each coat except the last cost shall be lightly rubbed down with sand-paper of fine pumice stone and

cleaned of dust before the next coat is applied. No hair marks from the brush or clogging of paint

puddles in the corners of panels angles of mouldings etc. shall be left on the work.

2.2.4 Approved best quality brushes shall be used.

(1) Contractor Shall have to Submit the manufacture test certificate of retro reflective sheet before

Starting the work at no Extra cost

(i) Contractor Shall have to Submit the test report of retro reflective sheet from Govt. approved

Laboratory testing of sheeting at no extra cost before producing First R.A bill and then after on

end when asked by AMC. The contractor shall not be paid extra for same.

(ii) Contractor shall have to submit the filled form as mentioned below in Soft (Signed & Scanned) and

two hard copies.

3.0 Mode of measurements & payment :

3.1 Any type of C.C. Central verges curbs surface shall be measured under this item.

3.2 All the work shall be measured not in the decimal system as executed subject to the following limits

unless otherwise stated hereinafter :

(a) dimensions shall be measured to the nearest 0.01 metre.

(b) Areas shall be worked out to the nearest 0.01 Sq. metre.

3.3 No deductions shall be made for openings not exceeding 0.5 sq. mt. each and no addition shall be

made for painting to beadings, mouldings, edges, jambs, soffits, etc. of such opening.

3.4 The different surfaces shall be grouped into one general item, areas of uneven surface being

converted into equivalent plain areas in accordance with the mode of measurement for payment.

3.6 The rate shall be for a unit of one sq. meter.

The Contract unit rate for painting shall be payment in full compensation for furnishing a labour,

materials, tools, equipment, including all incidental costs necessary for carrying out the work at the

site conforming to these Specifications complete as per the approved drawing(s) or as directed by the

Engineer and all other incidental costs necessary to complete the work to these Specifications.

The rate shall be for a unit of Rmt.

Signature of Bidder Page 65 of

Ahmedabad Municipal Corporation

Painting two coats (excluding priming coat) on new steel and other metal surface with enamel

paint, brushing, interior to give an even shade including cleaning the surface an even shade including

cleaning the surface of all dirt, dust and other foreign matter

Painting Two Coats on New Concrete Surface ( Painting two coats after filling the surface with synthetic

enamel paint in all shades on new plastered concrete surfaces

The colour and workmanship shall be in accordance with the Code of Practice for painting, and as

specified in the drawings or as directed by the Engineer

Synthetic enamel paint shall conform to IS.

2.0 Workmanship:

2.1.1 The materials required for work of painting work shall be obtained directly from approved

manufacturers or approved dealer and brought to the site in maker's drums, kegs etc. with seal

2.1.2 All materials not in actual use shall be kept properly protected, lids of containers shall be kept closed

and surface of paint in open or partially open containers covered with a thin layer of turpentine to

prevent formation of skin. The materials which have become stale or flat due to improper and long

storage shall not be used. The paint shall be stirred thoroughly in its container before pouring into

small containers. While applying also the paint shall be continuously stirred in smaller container. No

left over paint shall be put back into stock tins. When not in use, the containers shall be kept properly

2.1.3 If for any seasons, thinning is necessary, the brand of thinner recommended by the manufacturer

2.1.4 The surface to be painted shall be thoroughly cleaned and dusted. All rust, dirt and grease shall be

thoroughly removed before painting is started. No painting on exterior or other exposed parts of the

work shall be carried out in wet, damp of otherwise unfavorable weather and all the surfaces shall be

thoroughly dry before painting work is started.

2.2 Application:

2.2.1 Brushing operations are to be adjusted to the spreading capacity advised by the manufacture of

particular paint. The paint shall be applied evenly and smoothly by means of crossing and laying off.

The crossing and laying off consists of covering the area over with paint, brushing the surface hard for

the first time over and then brushing alternately in opposite directions two or three times and then

finally brushing lightly in direction at right angles to the same.

In this process, no brush marks shall be left after the laying off is finished. The full process of crossing

and laying off will constitute one coat.

Signature of Bidder Page 66 of

Ahmedabad Municipal Corporation

2.2.2 Each coat shall be allowed to dry completely and lightly rubbed with very fine grade of sand paper

and loose particles brushed off before next coat is applied. Each coat shall vary slightly in shade and

shall be got approved from Engineer-in-charge before next coat is started.

2.2.3 Each coat except the last cost shall be lightly rubbed down with sand-paper of fine pumice stone and

cleaned of dust before the next coat is applied. No hair marks from the brush or clogging of paint

puddles in the corners of panels angles of mouldings etc. shall be left on the work.

2.2.4 Approved best quality brushes shall be used.

(1) Contractor Shall have to Submit the manufacture test certificate of retro reflective sheet before

Starting the work at no Extra cost

(iii) Contractor Shall have to Submit the test report of retro reflective sheet from Govt. approved

Laboratory testing of sheeting at no extra cost before producing First R.A bill and then after on

end when asked by AMC. The contractor shall not be paid extra for same.

(iv) Contractor shall have to submit the filled form as mentioned below in Soft (Signed & Scanned) and

two hard copies.

3.0 Mode of measurements & payment :

3.1 Any type of C.C. Central verges curbs surface shall be measured under this item.

3.2 All the work shall be measured not in the decimal system as executed subject to the following limits

unless otherwise stated hereinafter :

(a) dimensions shall be measured to the nearest 0.01 metre.

(b) Areas shall be worked out to the nearest 0.01 Sq. metre.

3.3 No deductions shall be made for openings not exceeding 0.5 sq. mt. each and no addition shall be

made for painting to beadings, mouldings, edges, jambs, soffits, etc. of such opening.

3.4 The different surfaces shall be grouped into one general item, areas of uneven surface being

converted into equivalent plain areas in accordance with the mode of measurement for payment.

3.6 The rate shall be for a unit of one sq. meter.

The Contract unit rate for painting shall be payment in full compensation for furnishing a labour,

materials, tools, equipment, including all incidental costs necessary for carrying out the work at the

site conforming to these Specifications complete as per the approved drawing(s) or as directed by the

Engineer and all other incidental costs necessary to complete the work to these Specifications.

Supplying electric breaker machine for RCC slab or asphalt demolishing work on site by

using operator, fuel, power supply etc.complete as directed. (no payment should be

allowed for non working condition of machinery and for pipe line excavation and

M.H. work. Allowed only for break down work) (Based on Previously approved rate by CE

sir ) The rate shall be for a unit of one Shift

Signature of Bidder Page 67 of

Ahmedabad Municipal Corporation

Supplying Pneumatic Breaker Machine for RCC Slab or Asphalt Demolishing Work on

site by using Operator, fuel, power Supply etc. Complete as Directed. (No

payment should be allowed for non working condition of machinery and for pipe line

excavation and M.H. work. Allowed only for break down work) (Based on Previously

approved rate by CE sir )

The rate shall be for a unit of one Hour

Brick work using common burnt clay building bricks having crushing strength not less than

35kg./Sq.Cm.in foundation and plinth in Cement Mortar 1:6 (1-Cement : 6 - fine sand) Building SOR

2023-24 Item Code : 06002BA Item No. As Per NBO 6.13 & Item Code : 06002AA Iteam No. As Per

(a) Conventional (up to 10 ton)

As per item decription and R&B book let or as decided by engineer in charge.

The Measurement of the item shall be in cmt.

Providing 15mm thick cement plaster in single coat on Rough (Similar) side of single or

halfbrickwallsfor interior plasteringupto floor two level and finished even and smooth in

(i) Cement mortar 1:3 (1- cement:3-sand)

As per item decription and R&B book let or as decided by engineer in charge.

The Measurement of the item shall be in Sqm.

Item No.52 Providing Thermo Mechanically Treated Bars(TMT Bars) reinforcement for R.C.C. work

including bending, binding and placing in position complete upto floor two level. (Based on

Building SOR 2015-16, P-307 - Item code- 5.1.11)

Reinforcing bars supplied bent or in coils shall be straightened cold without damage at no extra cost.

bending shall be done when ambient te mperature is below 5 Deg. C. Local warning maybe permitted if

steel is kept below 100 Deg. C.All bars shall be accurately bent gradually and according to the sizes and shapes

shown on the drawings/schedules or as directed by Engineer. Re-binding or straightening incorrectly bent

bars shall not be done without approval of Engineer.Reinforcement shall be accurately fixed and maintained

firmly in the correct position by the use of blocks,spacers, chairs, binding wire etc. to prevent displacement

during placing and compaction of concrete. The tied in place reinforcement shall be approved by Engineer

prior to concrete placement. Spacers shall be of such materials and designs as will be durable, not lead to

corrosion of the reinforcement and not cause spalling of the concrete cover. Binding wire shall be 16 gauges

soft annealed wire. Ends of the binding wire shall be bent away from the concrete surface and in no case

encroach into the concrete cover. Substitution of reinforcement, laps/splices not shown on drawing shall be

subject to Engineer’s approval.

Signature of Bidder Page 68 of

Ahmedabad Municipal Corporation

The scope of work consists of providing and laying mild steel reinforcement and TMT CRS Fe-500

reinforcement for RCC works of various components of the structure. This may be Tisco or any other

approved manufacturer branch and corrosion resistant steel bars approved by the Engineer-in-charge. This

includes cuttings, bending, binding, placing, with all equipments and labour required for the work as directed

by the City Engineer, Ahmedabad and all operations covered within the intent and purpose of the

BENDING OF REINFORCEMENT

Reinforcing steel shall conform accurately to the dimensions shown on relevant drawings and conforming to

the relevant IS codes (latest revision). Bars shall be bent cold to the specified shape and dimensions or as

directed by the City Engineer, AMC,Ahmedabad using a proper bar bender, operated by hand or power to

attain proper radii of bends.Bars shall not be bent or straightened in a manner that will cause injury to the

material. Bars bent during transport or handling shall be straightened before being used on work; they shall

not be heated to facilitate bending.

The bending of the TMT bars shall be carried out as per the following:

PLACING OF REINFORCEMENT:

All reinforcing bars shall be accurately placed in the exact position shown on the drawings, and shall be

securely held in position during placing of concrete by annealed binding wire not less than 1 mm in size and

conforming to IS: 280 and by using stays blocks or metal chairs, spacer, metal hangers, supporting wires or

other approved devices at sufficiently close intervals. Bars will not be allowed to sag between supports nor

displaced during concreting or any other operation over the work. All devices used for positioning shall be of

non-corrodible material. Wooden and metal supports will not extend to the surface of concrete, except

where shown on the drawings, placing bars on layers of freshly laid concrete as the work progresses for

adjusting bar spacing will not be allowed. Pieces of broken stone, brick or wooden blocks shall not be

used.Layers of bars shall be separated by spacer bars, precast mortar blocks or other approved

devices.Reinforcement after being placed in position shall be maintained in a clean condition until completely

embedded in concrete. Special care shall be exercised to prevent any displacement of reinforcement in

concrete already placed. To protect reinforcement from corrosion, concrete cover shall be provided as

indicated on the drawings. All bars protruding from concrete to which other bars are to be spliced and which

are likely to be exposed for an indefinite period shall be protected by a thick coat of neat cement grout.In the

case of columns and walls, vertical bars shall be kept in normal position with timber templates having slots

accurately cut in for bar position. Such templates shall be removed after the concreting has progressed upto a

level just below them.Bars crossing each other, where required, shall be secured by binding wire (annealed)

of size not less than 1mm and conforming to IS: 280 in such a manner that they do not slip over each other at

the time of fixing and concreting. As far as possible, bars of full length shall be used. In case this is not

possible, overlapping of bars shall be done as directed by the City Engineer, AMC, Ahmedabad. When

practicable, over lapping bars shall not touch each other, but be kept apart by 25 mm or 1 ¼ times the

maximum size of the coarse aggregates whichever is greater, by concrete between them. Where this is not

feasible, overlapping bars shall be bound with annealed steel wire, not less than 1 mm thickness twisted tight

in eight shape around the lapped bars. The overlaps shall be staggered for different bars and located at fixed

locations only along the span where neither shear nor being moment is maximum.

WELDING OF BARS

Sr. No. Operation Size TMT CRS-Fe-500

Signature of Bidder Page 69 of

Ahmedabad Municipal Corporation

1 Bend Upto 22 mm dia 3d Over 22 mm dia 4d

2 Rebend Upto 10mm dia 4d Over 10 mm dia 5d Welding of TMT bars can be permitted if specified on the

drawings, joints of reinforcement bars shall be

butt welded so as to transit their full strength. Welded joints shall preferably be located at points where steel

will not be subject to more than 75 percent of the maximum permissible stresses and welds so staggered that

at any one section, not more than 33 per cent of the rods are welded. No –pre-warning or post heat

treatment is necessary. Inter-pass temperature should be limited to 200º C with low heat input and

equivalent strength low hydrogen type electrode. Suitable means shall be provided for holding the bars

securely in position during welding. It must be ensured that no voids are left in welding and when welding is

done in 2 or 3 stages, previous surface shall be cleaned property. Ends of the bars shall be cleaned of all loose

scale, rust, grease, paint and other foreign matter before welding. Only competent welders shall be employed

on the work. Welded pieces of reinforcement shall be tested. Specimens shall be taken from the actual site

and their number and frequency of tests shall be as directed by the City Engineer, AMC, Ahmedabad.

The TMT bars shall be tested for any or all of the following tests as directed by the Engineer-In-charge

(1) Alternate immersion test

(2) Salt spray test

(3) Atmospheric exposure test

(4) Sulphur dioxide test

(5) Potentio dynamic test

Tolerance for formed and concrete dimensions shall be as per IS: 456 unless specified otherwise.

Tolerances specified for horizontal or vertical building lines or footings shall not be construed to permit