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Birla Vishvakarma Mahavidyalaya, Mota Bazar, Vallabh Vidyanagar, Anand, Gujarat-388120

Ph.:91 2692 230104 (o) Fax: 91 2692 230762

NATIONAL COMPETITIVE BIDDING

FOR

(CIVIL WORKS COSTING US $100,000 AND BELOW)

BVM-CW-Extension of Library Building

UNDER

Technical Education Quality Improvement

Programme -Phase II

[TEQIP]

(A WORLD BANK ASSISTED PROJECT)

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Birla Vishvakarma Mahavidyalaya, Vallabh Vidyanagar Mota Bazar, Vallabh Vidyanagar, Anand

GOVERNMENT OF GUJARAT

PROJECT

AGREEMENT NO. ———————

NATIONAL COMPETITIVE BIDDING

(CIVIL WORKS COSTING US $100,000 AND BELOW)

* Should be the same as for the deadline for receipt of bids or promptly thereafter.

NAME OF WORK : BVM-CW-Extension of Library Building

PERIOD OF SALE : FROM - 15.09.2014

TIME: 10:30 Hrs

BIDDING DOCUMENT : TO - 16.10.2014

TIME: 16:00 Hrs

LAST DATE AND TIME

FOR RECEIPT OF BIDS

: DATE 16.10.2014

TIME : 16:00 HOURS

* TIME AND DATE OF

OPENING OF BIDS

: DATE 16.10.2014

TIME: 16:30 HOURS

PLACE OF OPENING OF

BIDS

: Principal office, BVM Engineering College,

Mota Bazar, Vallabh Vidyanagar, Anand-

388120,Gujarat

OFFICER INVITING BIDS : Dr. F. S. Umrigar

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INVITATION FOR BID

(IFB)

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GOVERNMENT OF Gujarat TEQIP-II PROJECT

INVITATIONS FOR BIDS (IFB)

NATIONAL COMPETITIVE BIDDING

Date: 09.09.2014

Bid No. : TEQIP-II/GJ/GJ1G02/250

1. The Government of India has received a credit from the International Development Association / loan from

the International Bank for Reconstruction & Development towards the cost of Technical Education Quality

Improvement Programme[TEQIP]-Phase II Project and intends a part of the funds to cover eligible payments

under the contracts for construction of works as detailed below. Bidding is open to all bidders from eligible source

countries as defined in the IBRD Guidelines for Procurement. Bidders from India should, however, be registered

with the Government of Gujarat or other State Governments/Government of India, or State/Central Government

Undertakings. Bidders are advised to note the minimum qualification criteria specified in Clause 4 of the

Instructions to Bidders to qualify for the award of the contract.

2. The Principal, Birla Vishvakarma Mahavidyalaya, Vallabh Vidyanagar invites bids for the construction

of works detailed in the table. The bidders may submit bids for any or all of the following works, for the package or

for any of the slices.

3. Bidding documents (and additional copies) may be purchased from the office of Birla Vishvakarma

Mahavidyalaya, Vallabh Vidyanagar from 15.09.2014 TIME: 10:30 Hrs to 16.10.2014 TIME: 16:00 Hrs, for a

non-refundable fee (three sets) as indicated, in the form of cash or Demand Draft on any Scheduled bank payable at

Vallabh Vidyanagar in favour of Principal, BVM Interested bidders may obtain further information at the same

address. Bidding documents requested by mail will be dispatched by registered/speed post on payment of an extra

amount of Rs 250. The Birla Vishvakarma Mahavidyalaya, Vallabh Vidyanagar will not be held responsible for

the postal delay if any, in the delivery of the documents or non-receipt of the same.

4. Bids must be accompanied by security of the amount specified for the work in the table below, drawn in

favour of Principal, BVM. Bid security will have to be in any one of the forms as specified in the bidding document

and shall have to be valid for 45 days beyond the validity of the bid.

5. Bids must be delivered to Birla Vishvakarma Mahavidyalaya, Vallabh Vidyanagar on or before 16:00

hours on 16.10.2014 and will be opened on the same day at 16:30 hours, in the presence of the bidders who wish to

attend. If the office happens to be closed on the date of receipt of the bids as specified, the bids will be received and

opened on the next working day at the same time and venue.

6. Other details can be seen in the bidding documents.

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TABLE

Package No. Name of

work

Approximate

value of work

(Rs.)

Bid

security

(Rs.)

Cost of

document

(Rs.)

Period of

completion

TEQIP-

II/2014/GJ1G02/NCB/16

BVM-CW-

Extension of

Library

Building

3000000/- 150000/- 1500/- (Non-

refundable)

105 Days

____________________________________________________________________________________________

Seal of office

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SECTION 1: INSTRUCTIONS TO BIDDERS

(ITB)

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Section 1: Instructions to Bidders

Table of Clauses

A. General Page No. D. Submission of Bids Page No.

1. Scope of Bid 7 19. Sealing and Marking of Bids 13

2. Source of Funds 7 20. Deadline for Submission of Bids 13

3. Eligible Bidders 7 21. Late Bids 14

4. Qualification of the Bidder 7 22. Modification and Withdrawal of Bids 14

5. One Bid per Bidder 9

6. Cost of Bidding 10

7. Site Visit 10

B. Bidding Documents E. Bid Opening and Evaluation

8. Content of Bidding Documents 10 23. Bid Opening 14

9. Clarification of Bidding Documents 10 24. Process to be Confidential 14

10. Amendment of Bidding Documents 10 25. Clarification of Bids 15

26. Examination of Bids and Deter- 15

mination of Responsiveness

27. Correction of Errors 15

C. Preparation of Bids 28. Currency for Bid Evaluation

29. Evaluation and Comparison of Bids 16

11. Language of Bid 11 30. Preference for Domestic Bidders

12. Documents Comprising the Bid 11

13. Bid Prices 11 F. Award of Contract

14. Currencies of Bid and Payment 11

15. Bid Validity 11 31. Award Criteria 16

16. Bid Security 12 32. Employer's Right to Accept any Bid 16

and to Reject any or all Bids

17. Alternative Proposals by Bidders 12 33. Notification of Award 16

18. Format and Signing of Bid 13 34. Performance Security 17

35. Advance Payment and Security

36. Adjudicator

37. Corrupt or Fraudulent Practices 17

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A. General

1. Scope of Bid

1.1 The Birla Vishvakarma Mahavidyalaya, Vallabh Vidyanagar (referred to as Employer in these documents)

invites bids for the construction of works (as defined in these documents and referred to as "the works")

detailed in the table given in the Invitation for Bids (IFB). The bidders may submit bids for any or all of the

works detailed in the table given in IFB.

1.2 The successful bidder will be expected to complete the works by the intended completion date specified in the

Contract data.

2. Source of Funds

2.1 The Government of India has received a loan/credit from the International Bank for Reconstruction and

Development/the International Development Association (hereinafter interchangeably called ―the Bank‖)

towards the cost of Technical Education Quality Improvement Programme[TEQIP]-Phase II Project and

intends to apply a part of the funds to cover eligible payments under the contract for the Works. Payments by

the Bank will be made only at the request of the borrower and upon approval of the Bank in accordance with

the Loan/Credit Agreement, and will be subject in all respects to the terms and conditions of that Agreement.

Except as the Bank may specifically otherwise agree, no party other than the borrower shall derive any rights

from the Loan/Credit Agreement or have any rights to the loan/credit proceeds.

2.2 The loan agreement prohibits a withdrawal from the loan account for the purpose of any payment to persons

or entities, or for any import of goods, if such payment or import, to the knowledge of the Bank, is prohibited

by a decision of the United Nations Security Council, taken under Chapter VII of the Charter of the United

Nations.

3. Eligible Bidders

3.1 This Invitation for Bids is open to all bidders from the eligible countries as defined under the IBRD

Guidelines for Procurement. Any materials, equipment, and services to be used in the performance of the

Contract shall have their origin in the eligible source countries.

3.2 All bidders shall provide in Section 2, Forms of Bid and Qualification Information, a statement that the Bidder

is not associated, nor has been associated in the past, directly or indirectly, with the Consultant or any other

entity that has prepared the design, specifications, and other documents for the Project or being proposed as

Project Manager for the Contract. A firm that has been engaged by the Borrower 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 Government-owned enterprises in the Employer‘s country may only participate if they are legally and

financially autonomous, operate under commercial law and are not a dependent agency of the Borrower or

Sub-borrower.

3.4 Bidders shall not be under a declaration of ineligibility for corrupt and fraudulent practices issued by the Bank

in accordance with sub-clause 37.1.

4. Qualification of the Bidder

4.1 All bidders shall provide in Section 2, Forms of Bid and Qualification Information, a preliminary description

of the proposed work method and schedule, including drawings and charts, as necessary.

4.2 In the event that Pre-qualification of potential bidders has been undertaken, only bids from prequalified

bidders will be considered for award for Contract. These qualified bidders should submit with their bids any

information updating their original prequalification applications or, alternatively, confirm in their bids that the

originally submitted prequalification information remains essentially correct as of date of bid submission. The

update or confirmation should be provided in Section 2.

4.3 If the Employer has not undertaken prequalification of potential bidders, all bidders shall include the

following information and documents with their bids in Section 2:

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(a) copies of original documents defining the constitution or legal status, place of registration, and

principal place of business; written power of attorney of the signatory of the Bid to commit the Bidder;

(b) total monetary value of construction work performed for each of the last five years;

(c) experience in works of a similar nature and size for each of the last five years, and details of works

under way or contractually committed; and clients who may be contacted for further information on

those contracts;

(d) major items of construction equipment proposed to carry out the Contract;

(e) qualifications and experience of key site management and technical personnel proposed for the

Contract;

(f) reports on the financial standing of the Bidder, such as profit and loss statements and auditor's reports

for the past five years;

(g) evidence of adequacy of working capital for this contract (access to line (s) of credit and availability of

other financial resources);

(h) authority to seek references from the Bidder's bankers;

(i) information regarding any litigation or arbitration resulting from contracts executed by the Bidder in

the last five years or currently under execution. The information shall include the names of the parties

concerned, the disputed amount, cause of litigation, and matter in dispute; and

(j) proposals for subcontracting components of the Works which in aggregate add to more than 20 percent

of the Contract Price [for each, the qualifications and experience of the identified sub-contractor in the

relevant field should be annexed; no vertical splitting of work for sub-contracting is acceptable].

4.4 Bids from Joint ventures are not acceptable.

4.5 A. To qualify for award of the contract, each bidder in its name should have in the last five years:

i.e 2013-14

(a) achieved, in at least two financial years, a minimum annual financial turnover (in all classes of civil

engineering construction works only) of Rs.60 Lacs @ (usually not less than two times the estimated

annual payments under the contract);

(b) satisfactorily completed (not less than 90% of contract value), as a prime contractor, at least one

similar work of value not less than Rs.25.00 lacs @ (usually not less than 80% of estimated value of

contract);

(c) deleted;

(d) The contractor or his identified sub-contractor should possess required valid electrical license for

executing the building electrification works and should have executed similar electrical works totaling

Rupees 3.00lacs @**

in any one year.

(e) The contractor or his identified sub-contractor should possess required valid license for executing the

water supply/sanitary engineering works and should have executed similar water supply/sanitary

engineering works totaling Rupees 3.00lacs @**

in any one year.

@ at 1.5 lacs* price level. Financial turnover and cost of completed works of previous years shall

be given weightage of 5% per year based on rupee value to bring them to —————* price

level.

**

at least 50% of the estimated value of electrical/ water supply works. **

at least 50% of the estimated value of electrical/ water supply works.

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4.5 B. Deleted.

4.5 C. To qualify for a package of contracts made up of this and other contracts for which bids are

invited in the IFB, the bidder must demonstrate having experience and resources sufficient to meet the

aggregate of the qualifying criteria for the individual contracts.

4.6 Sub-contractors' experience and resources shall not be taken into account in determining the bidder's

compliance with the qualifying criteria except to the extent stated in para 4.5 (A) above.

4.7 Bidders who meet the minimum qualification criteria will be qualified only if their available bid capacity is

more than the total bid value. The available bid capacity will be calculated as under:

Assessed Available Bid capacity = ( A*N*1.5 - B )

where

A = Maximum value of civil engineering works executed in any one year during the last five years (updated

to ————* price level) taking into account the completed as well as works in progress.

N = Number of years prescribed for completion of the works for which bids are invited.

B = Value, at ————* price level, of existing commitments and on-going works to be completed during

the next.......years (period of completion of the works for which bids are invited)

Note: The statements showing the value of existing commitments and on-going works as well as the

stipulated period of completion remaining for each of the works listed should be countersigned by the

Engineer in charge, not below the rank of an Executive Engineer or equivalent.

4.8 Even though the bidders meet the above qualifying criteria, they are subject to be disqualified if they have:

- made misleading or false representations in the forms, statements 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.; and/or

- participated in the previous bidding for the same work and had quoted unreasonably high bid prices

and could not furnish rational justification to the employer.

5. One Bid per Bidder

5.1 Each bidder shall submit only one bid for one contract. A bidder who submits or participates in more than

one Bid (other than as a subcontractor or in cases of alternatives that have been permitted or requested) will

cause all the proposals with the Bidder‘s participation to be disqualified.

6. Cost of Bidding

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

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

* the financial year in which bids are received

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7. Site visit

7.1 The Bidder, at the Bidder‘s own responsibility and risk is encouraged to visit and examine the Site of Works

and its surroundings 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 expense.

B. Bidding Documents

8. Content of Bidding Documents

8.1 The set of bidding documents comprises the documents listed in the table below and addenda issued in

accordance with Clause 10:

Invitation for Bids

Section 1 Instructions to Bidders

2 Forms of Bid and Qualification Information

3 Conditions of Contract

4 Contract Data

5 Specifications

6 Drawings

7 Bill of Quantities

8 Forms of Securities

8.2 Of the three sets of the bidding documents supplied, two sets should be completed and returned with the

bid.

9. Clarification of Bidding Documents

9.1 A prospective bidder requiring any clarification of the bidding documents may notify the Employer in

writing or by cable (hereinafter "cable" includes telex and facsimile) at the Employer's address indicated in

the invitation to bid. The Employer will respond to any request for clarification which he received earlier

than 15 days prior to the deadline for submission of bids. Copies of the Employer's response will be

forwarded to all purchasers of the bidding documents, including a description of the enquiry but without

identifying its source.

10. Amendment of Bidding Documents

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

addenda.

10.2 Any addendum thus issued shall be part of the bidding documents and shall be communicated in writing or

by cable to all the purchasers of the bidding documents. Prospective bidders shall acknowledge receipt of

each addendum by cable to the Employer.

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

bids, the Employer shall extend as necessary the deadline for submission of bids, in accordance with Sub-

Clause 20.2 below.

C. Preparation of Bids

11. Language of the Bid

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

12. Documents comprising the Bid

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12.1 The bid submitted by the bidder shall comprise the following:

(a) The Bid (in the format indicated in Section 2).

(b) Bid Security;

(c) Priced Bill of Quantities;

(d) Qualification Information Form and Documents;

and any other materials required to be completed and submitted by bidders in accordance with these

instructions. The documents listed under Sections 2, 4 and 7 of Sub-Clause 8.1 shall be filled in without

exception.

12.2 Bidders bidding for this contract together with other contracts stated in the IFB to form a package will so

indicate in the bid together with any documents offered for the award of more than one contract.

13. Bid Prices

13.1 The contract shall be for the whole works as described in Sub-Clause 1.1, based on the priced Bill of

Quantities submitted by the Bidder.

13.2 The bidder shall fill in rates and prices and line item total (both in figures and words) for all items of the

Works described in the Bill of Quantities alongwith total bid price (both in figures and words). Items for

which no rate or price is entered by the bidder will not be paid for by the Employer when executed and

shall be deemed covered by the other rates and prices in the Bill of Quantities. Corrections, if any, shall be

made by crossing out, initialing, dating and rewriting.

13.3 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.

13.4 The rates and prices quoted by the bidder shall be fixed for the duration of the Contract and shall not be

subject to adjustment on any account.

14. Currencies of Bid and Payment

14.1 The unit rates and the prices shall be quoted by the bidder entirely in Indian Rupees.

15. Bid Validity

15.1 Bids shall remain valid for a period not less than ninety days after the deadline date for bid submission

specified in Clause 20. A bid valid for a shorter period shall be rejected by the Employer as non-

responsive.

15.2 In exceptional circumstances, prior to expiry of the original time limit, 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 except as

provided in 15.3 hereinafter, but will be required to extend the validity of his bid security for a period of the

extension, and in compliance with Clause 16 in all respects.

15.3 In the case of contracts in which the Contract Price is fixed (not subject to price adjustment), in the event

that the purchaser requests and the Bidder agrees to an extension of the validity period, the contract price, if

the Bidder is selected for award shall be the bid price corrected as follows:

The price shall be increased by the factor (value of factor B)1

for each week or part of a week that has

elapsed from the expiration of the initial bid validity to the date of issue of letter of acceptance to the

successful Bidder.

1 The value of B is based on the country’s inflation for the period in question. The borrower inserts the value in the bid document prior to

issue.

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15.4 Bid evaluation will be based on the bid prices without taking into consideration the above correction.

16. Bid Security

16.1 The Bidder shall furnish, as part of his Bid, a Bid security in the amount as shown in column 4 of the table

of IFB for this particular work. This bid security shall be in favour of Principal, BVM and may be in one

of the following forms:

- a bank guarantee issued by a nationalized / Scheduled Bank located in India or a reputable Bank

located abroad in the form given in Section 8; or

- Bank draft/Letter of credit, in favour of Principal, BVM payable at Vallabh Vidyanagar

16.2 Bank guarantees issued as surety for the bid shall be valid for 45 days beyond the validity of the bid.

16.3 Any bid not accompanied by an acceptable Bid Security and not secured as indicated in Sub-Clauses 16.1

and 16.2 above shall be rejected by the Employer as non-responsive.

16.4 The Bid Security of unsuccessful bidders will be returned within 28 days of the end of the bid validity

period specified in Sub-Clause 15.1.

16.5 The Bid Security of the successful bidder will be discharged when the bidder has signed the Agreement and

furnished the required Performance Security.

16.6 The Bid Security may be forfeited

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

(b) if the Bidder does not accept the correction of the Bid Price, pursuant to Clause 27; or

(c) 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 Performance Security.

17. Alternative Proposals by Bidders

17.1 Bidders shall submit offers that comply with the requirements of the bidding documents, including the basic

technical design as indicated in the drawing and specifications. Alternatives will not be considered.

18. Format and Signing of Bid

18.1 The Bidder shall prepare one original and a copy of the documents comprising the bid as described in

Clause 12 of these Instructions to Bidders, bound with the volume containing the Form of Bid, and clearly

marked "ORIGINAL" and "COPY" as appropriate. In the event of discrepancy between them, the

original shall prevail.

18.2 The original and a copy of the Bid shall be typed or written in indelible ink and shall be signed by a person

or persons duly authorized to sign on behalf of the Bidder, pursuant to Sub-Clauses 4.3. All pages of the bid

where entries or amendments have been made shall be initialed by the person or persons signing the bid.

18.3 The Bid shall contain no alterations or additions, except those to comply with instructions issued by the

Employer, or as necessary to correct errors made by the bidder, in which case such corrections shall be

initialed by the person or persons signing the bid.

18.4 The Bidder shall furnish information as described in the Form of Bid on commissions or gratuities, if any,

paid or to be paid to agents relating to this Bid, and to contract execution if the Bidder is awarded the

contract

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D. Submission of Bids

19. Sealing and Marking of Bids

19.1 The Bidder shall seal the original and a copy of the Bid in separate envelopes, duly marking the envelopes

as "ORIGINAL" and "COPY". These envelopes (called as inner envelopes) shall then be put inside one

outer envelope.

19.2 The inner and outer envelopes shall

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

Principal, BVM College, Mota Bazar, Vallabh Vidyanagar, Anand

and

(b) bear the following identification:

- Bid for BVM-CW-Extension of Library Building

- Bid Reference No TEQIP-II/GJ/GJ1G02/250

- DO NOT OPEN BEFORE 16:30, 16.10.2014 [time and date for bid

opening, per Clause 23]

19.3 In addition to the identification required in Sub-Clause 19.2, the inner envelopes shall indicate the name and

address of the bidder to enable the bid to be returned unopened in case it is declared late, pursuant to Clause

21.

19.4 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.

20. Deadline for Submission of the Bids

20.1 Bids must be received by the Employer at the address specified above no later than 16:00Hrs. 16.10.2014

*.

In the event of the specified date for the submission of bids being declared a holiday for the Employer, the

Bids will be received upto the appointed time on the next working day.

20.2 The Employer may extend the deadline for submission of bids by issuing an amendment in accordance with

Clause 10, 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.

21. Late Bids

21.1 Any Bid received by the Employer after the deadline prescribed in Clause 20 will be returned unopened to

the bidder.

22. Modification and Withdrawal of Bids

22.1 Bidders may modify or withdraw their bids by giving notice in writing before the deadline prescribed in

Clause 20.

22.2 Each Bidder's modification or withdrawal notice shall be prepared, sealed, marked, and delivered in

accordance with Clause 18 & 19, with the outer and inner envelopes additionally marked

"MODIFICATION" or "WITHDRAWAL", as appropriate.

22.3 No bid may be modified after the deadline for submission of Bids.

22.4 Withdrawal or modification of a Bid between the deadline for submission of bids and the expiration of the

original period of bid validity specified in Clause 15.1 above or as extended pursuant to Clause 15.2 may

result in the forfeiture of the Bid security pursuant to Clause 16.

* no later than 16:00 16.10.2014.

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22.5 Bidders may offer discounts to, or modify the prices of their Bids only by submitting Bid modifications in

accordance with this clause, or included in the original Bid submission.

E. Bid Opening and Evaluation

23. Bid Opening

23.1 The Employer will open all the Bids received (except those received late), including modifications made

pursuant to Clause 22, in the presence of the Bidders or their representatives who choose to attend at 16:30

hours on the date and the place specified in Clause 19. In the event of the specified date of Bid opening

being declared a holiday for the Employer, the Bids will be opened at the appointed time and location on

the next working day.

23.2 Envelopes marked "WITHDRAWAL" shall be opened and read out first. Bids for which an acceptable

notice of withdrawal has been submitted pursuant to Clause 22 shall not be opened. Subsequently all

envelopes marked ―Modification‖ shall be opened and the submissions therein read out in appropriate

detail.

23.3 The Bidders' names, the Bid prices, the total amount of each Bid and of any alternative Bid (if alternatives

have been requested or permitted), any discounts, Bid modifications and withdrawals, the presence or

absence of Bid security, and such other details as the Employer may consider appropriate, will be

announced by the Employer at the opening. No bid shall be rejected at bid opening except for the late bids

pursuant to Clause 21. Bids [and modifications] sent pursuant to Clause 22 that are not opened and read out

at bid opening will not be considered for further evaluation regardless of circumstances. Late and

withdrawn bids will be returned un-opened to bidders.

23.4 The Employer shall prepare minutes of the Bid opening, including the information disclosed to those

present in accordance with Sub-Clause 23.3.

24. Process to Be Confidential

24.1 Information relating to the examination, clarification, evaluation, and comparison of Bids and

recommendations for the award of a contract shall not be disclosed to Bidders or any other persons not

officially concerned with such process until the award to the successful Bidder has been announced. Any

effort by a Bidder to influence the Employer's processing of Bids or award decisions may result in the

rejection of his Bid.

25. Clarification of Bids

25.1 To assist in the examination, evaluation, and comparison of Bids, the Employer may, at his discretion, ask

any Bidder for clarification of his Bid, including breakdowns of unit rates. The request for clarification and

the response shall be in writing or by cable, but no change in the price or substance of the Bid shall be

sought, offered, or permitted except as required to confirm the correction of arithmetic errors discovered by

the Employer in the evaluation of the Bids in accordance with Clause 27.

25.2 Subject to sub-clause 25.1, no Bidder shall contact the Employer on any matter relating to its bid from the

time of the bid opening to the time the contract is awarded. If the Bidder wishes to bring additional

information to the notice of the Employer, it should do so in writing.

25.3 Any effort by the Bidder to influence the Employer in the Employer‘s bid evaluation, bid comparison or

contract award decisions may result in the rejection of the Bidders‘ bid.

26. Examination of Bids and Determination of Responsiveness

26.1 Prior to the detailed evaluation of Bids, the Employer will determine whether each Bid (a) meets the

eligibility criteria defined in Clause 3; (b) has been properly signed; (c) is accompanied by the required

securities and; (d) is substantially responsive to the requirements of the Bidding documents.

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26.2 A substantially responsive Bid is one which conforms to all the terms, conditions, and specifications of the

Bidding documents, without material deviation or reservation. A material deviation or reservation is one (a)

which affects in any substantial way the scope, quality, or performance of the Works; (b) which limits in

any substantial way, inconsistent with the Bidding documents, the Employer's rights or the Bidder's

obligations under the Contract; or (c) whose rectification would affect unfairly the competitive position of

other Bidders presenting substantially responsive Bids.

26.3 If a Bid is not substantially responsive, it will be rejected by the Employer, and may not subsequently be

made responsive by correction or withdrawal of the nonconforming deviation or reservation.

27. Correction of Errors

27.1 Bids determined to be substantially responsive will be checked by the Employer for any arithmetic errors.

Errors will be corrected by the Employer as follows:

(a) where there is a discrepancy between the rates in figures and in words, the rate in words will

govern; and

(b) where there is a discrepancy between the unit rate and the line item total resulting from multiplying

the unit rate by the quantity, the unit rate as quoted will govern.

27.2 The amount stated in the Bid will be adjusted by the Employer in accordance with the above procedure for

the correction of errors and, with the concurrence of the Bidder, shall be considered as binding upon the

Bidder. If the Bidder does not accept the corrected amount the Bid will be rejected, and the Bid security

may be forfeited in accordance with Sub-Clause 16.6 (b).

28. Deleted

29. Evaluation and Comparison of Bids

29.1 The Employer will evaluate and compare only the Bids determined to be substantially responsive in

accordance with Clause 26.

29.2 In evaluating the Bids, the Employer will determine for each Bid the evaluated Bid Price by adjusting the

Bid Price as follows:

(a) making any correction for errors pursuant to Clause 27; or

(b) making an appropriate adjustments for any other acceptable variations, deviations; and

(c) making appropriate adjustments to reflect discounts or other price modifications offered in

accordance with Sub Clause 22.5.

29.3 The Employer reserves the right to accept or reject any variation, deviation, or alternative offer. Variations,

deviations, and alternative offers and other factors which are in excess of the requirements of the Bidding

documents or otherwise result in unsolicited benefits for the Employer shall not be taken into account in Bid

evaluation.

29.4 The estimated effect of the price adjustment conditions under Clause 47 of the Conditions of Contract,

during the period of implementation of the Contract, will not be taken into account in Bid evaluation.

29.5 If the Bid of the successful Bidder is seriously unbalanced in relation to the Engineer's estimate of the cost

of work to be performed under the contract, the Employer may require the Bidder to produce detailed price

analyses for any or all items of the Bill of Quantities, to demonstrate the internal consistency of those prices

with the construction methods and schedule proposed. After evaluation of the price analyses, the Employer

may require that the amount of the performance security set forth in Clause 34 be increased at the expense

of the successful Bidder to a level sufficient to protect the Employer against financial loss in the event of

default of the successful Bidder under the Contract.

30. Deleted

17 NCB.CW/W-1

F. Award of Contract

31. Award Criteria

31.1 Subject to Clause 32, the Employer will award the Contract to the Bidder whose Bid has been determined to

be substantially responsive to the Bidding documents and who has offered the lowest evaluated Bid Price,

provided that such Bidder has been determined to be (a) eligible in accordance with the provisions of

Clause 3, and (b) qualified in accordance with the provisions of Clause 4.

31.2 If, pursuant to Clause 12.2 this contract is being let alongwith other contracts, the lowest evaluated Bid

Price will be determined when evaluating this contract in conjunction with other contracts to be awarded

concurrently, taking into account any discounts offered by the bidders for the award of more than one

contract.

32. Employer's Right to Accept any Bid and to Reject any or all Bids

32.1 Notwithstanding Clause 31, the Employer reserves the right to accept or reject any Bid, and to cancel the

Bidding process and reject all Bids, at any time prior to the award of Contract, without thereby incurring

any liability to the affected Bidder or Bidders or any obligation to inform the affected Bidder or Bidders of

the grounds for the Employer's action.

33. Notification of Award and Signing of Agreement

33.1 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 cable, telex or facsimile 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").

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

performance security in accordance with the provisions of Clause 34.

33.3 The Agreement will incorporate all agreements between the Employer and the successful Bidder. It will be

signed by the Employer and sent to the successful Bidder, or kept ready for signature of the successful

bidder in the office of employer (choose one alternative) within 28 days following the notification of award

along with the Letter of Acceptance. Within 21 days of receipt, the successful Bidder will sign the

Agreement and deliver it to the Employer.

33.4 Upon the furnishing by the successful Bidder of the Performance Security, the Employer will promptly

notify the other Bidders that their Bids have been unsuccessful.

34. Performance Security

34.1 Within 14 days of receipt of the Letter of Acceptance, the successful Bidder shall deliver to the Employer a

Performance Security in any of the forms given below for an amount equivalent to 5% of the Contract price

plus additional security for unbalanced Bids in accordance with Clause 29.5 of ITB and Clause 52 of

Conditions of Contract :

- a bank guarantee in the form given in Section 8; or

- Bank draft, in favour of Principal, BVM payable at Vallabh Vidyanagar

34.2 If the performance security is provided by the successful Bidder in the form of a Bank Guarantee, it shall be

issued either (a) at the Bidder's option, by a Nationalized/Scheduled Indian bank or (b) by a foreign bank

located in India and acceptable to the Employer .

18 NCB.CW/W-1

34.3 Failure of the successful bidder to comply with the requirements of sub-clause 34.1 shall constitute a breach

of contract, cause for annulment of the award, forfeiture of the bid security, and any such other remedy the

Employer may take under the contract, and the Employer may resort to awarding the contract to the next

ranked bidder..

35 Advance Payment and Security (deleted)

36. Adjudicator (deleted)

37. Corrupt or Fraudulent Practices

37.1 The Bank requires that Borrowers (including beneficiaries of Bank loans), as well as Bidders, Suppliers,

Contractors, and Consultants under Bank-financed contracts, observe the highest standard of ethics during

the procurement and execution of such contracts. In pursuit of this policy, the Bank:

(a) defines, for the purposes of this provision, the terms set forth below as follows:

(i) ―corrupt practice‖ means the offering, giving, receiving, or soliciting, directly or

indirectly, of anything of value to influence the action of a public official in the

procurement process or in contract execution;

(ii) ―fraudulent practice‖ means a misrepresentation or omission of facts in order to influence

a procurement process or the execution of a contract;

(iii) ―collusive practice‖ means a scheme or arrangement between two or more Bidders, with

or without the knowledge of the borrower, designed to establish bid prices at artificial,

non competitive levels; and

(iv) ―coercive practice‖ means harming or threatening to harm, directly or indirectly, persons

or their property to influence their participation in the procurement process or affect the

execution of a contract;

(b) will reject a proposal for award if it determines that the Bidder recommended for award has,

directly or through an agent, engaged in corrupt, fraudulent, collusive or coercive practices in

competing for the Contract in question;

(c) will cancel the portion of the loan allocated to a contract if it determines at any time that

representatives of the Borrower or of a beneficiary of the loan engaged in corrupt, fraudulent,

collusive or coercive practices during the procurement or the execution of that contract, without

the Borrower having taken timely and appropriate action satisfactory to the Bank to remedy the

situation;

(d) will sanction a firm or individual, including declaring them ineligible, either indefinitely or for a

stated period of time, to be awarded a Bank-financed contract if it at any time determines that they

have, directly or through an agent, engaged, in corrupt, fraudulent, collusive or coercive practices

in competing for, or in executing, a Bank-financed contract; and

(e) will have the right to require that a provision be included in Bidding Documents and in contracts

financed by a Bank loan, requiring Bidders, Suppliers, Contractors and Consultants to permit the

Bank to inspect their accounts and records and other documents relating to the bid submission and

contract performance and to have them audited by auditors appointed by the Bank.

37.2 Furthermore, Bidders shall be aware of the provision stated in sub-clause 59.2 of the Conditions of

Contract.

19 NCB.CW/W-1

SECTION 2: FORMS OF BID, QUALIFICATION INFORMATION

AND LETTER OF ACCEPTANCE

TABLE OF FORMS:

- CONTRACTOR’S BID

- QUALIFICATION INFORMATION

- LETTER OF ACCEPTANCE

- NOTICE TO PROCEED WITH THE WORK

- AGREEMENT FORM

20 NCB.CW/W-1

Contractor's Bid

Description of the Works: Enhancement of Reading and Stack room in BVM Library for better utilization

BID

To : Birla Vishvakarma Mahavidyalaya, Vallabh Vidyanagar [the Employer]

Address : Mota Bazar, Vallabh Vidyanagar, Anand

GENTLEMEN,

Having examined the bidding documents including addendum, we offer to execute the Works described above in

accordance with the Conditions of Contract, Specifications, Drawings and Bill of Quantities accompanying this Bid

for the Contract Price of [ ] ( ) [in letters].1

This Bid and your written acceptance of it shall constitute a binding contract between us. We understand that you are

not bound to accept the lowest or any Bid you receive.

We hereby certify that we have taken steps to ensure that no person acting for us or on our behalf will engage in

bribery.

We also undertake that, in competing for (and, if the award is made to us, in executing) the above contract, we will

strictly observe the laws against fraud and corruption in force in India namely ―Prevention of Corruption Act 1988‖.

Commissions or gratuities, if any, paid or to be paid by us to agents relating to this Bid, and to contract execution if

we are awarded the contract, are listed below :

Name and address of agent Amount Purpose of Commission or gratuity

------------------ ----- ------------------------------

----------------- ----- -------------------------------

(if none, state ―none‖)

We hereby confirm that this Bid complies with the Eligibility, Bid Validity and Bid Security required by the Bidding

documents.

Yours faithfully,

Authorized Signature:

Name & Title of Signatory: _________________________________________________________________

Name of Bidder : ______________________________________________

Address : __________________________________________________________________

3. To be filled in by the Bidder, together with his particulars and date of submission at the bottom of the Form

of Bid.

21 NCB.CW/W-1

Qualification Information

The information to be filled in by the Bidder in the following pages will be used for purposes of post qualification as

provided for in Clause 4 of the Instructions to Bidders. This information will not be incorporated in the Contract.

1. For Individual Bidders

1.1 Constitution or legal status of Bidder

[Attach copy]

Place of registration: _______________________________

Principal place of business: _______________________________

Power of attorney of signatory of Bid

[Attach copy]

1.2 Total value of Civil Engineering construction 2013-2014______________

work executed and payments received in the last five years** 2012-2013_____________

(in Rs. Million) 2011-2012______________

2010-2011______________

2009-2010______________

1.3 Work performed as prime contractor (in the same name) on works of a similar nature over the last five

years.**

Project

Name

Name of

Employer *

Descrip-

tion of

work

Contract

No.

Value of

contract

(Rs.

Million)

Date of

issue of

work order

Stipulated

period of

completion

Actual date of

completion *

Remarks

explaining

reasons for

delay and

work

completed

____________________________________________________________________________________________

____________________________________________________________________________________________

1.4 Information on Bid Capacity (works for which bids have been submitted and works which are yet to be

completed) as on the date of this bid.

* Attach certificate(s) from Engineer(s)-in-charge

** Immediately preceeding the financial year in which bids are received.

Attach certificate from Chartered Accountant

22 NCB.CW/W-1

(A) Existing commitments and on-going works:

_________________________________________________________________________________________

Description Place Contract No. Name Value of Stipulated Value of works* Anticipated

of & & Date and Contract period of remaining to be date of

Work State Address (Rs. million) completion completed completion

of Employer (Rs. million)

(1) (2) (3) (4) (5) (6) (7) (8)

_________________________________________________________________________________________

_________________________________________________________________________________________

(B) Works for which bids already submitted:

_________________________________________________________________________________________

Description Place Name and Estimated Stipulated Date when Remarks

of & Address of value of works period of decision is if any

Work State Employer (Rs. million) completion expected

(1) (2) (3) (4) (5) (6) (7)

* Attach certificate(s) from the Engineer(s)-in-Charge.

1.5 Proposed subcontracts and firms involved. [Refer ITB Clause 4.3 (j)]

______________________________________________________________________________

Sections Value of Sub-contractor Experience in

of the works Sub-contract (name and address) similar work

______________________________________________________________________________

* * * *

* *

* * * *

* *

* * * *

* *

______________________________________________________________________________

1.6 Financial reports for the last five years: balance sheets, profit and loss statements, auditors' reports (in case of

companies/corporation), etc. List them below and attach copies.

1.7 Deleted.

1.8. Name, address, and telephone, telex, and fax numbers of the Bidders' bankers who may provide references if

contacted by the Employer.

23 NCB.CW/W-1

1.9 Information on litigation history in which the Bidder is involved.

__________________________________________________________________________________

Other party(ies) Employer Cause of dispute Amount involved Remarks showing

present status

__________________________________________________________________________________

__________________________________________________________________________________

1.10 Statement of compliance under the requirements of Sub Clause 3.2 of the instructions to Bidders.

_______________________________________________________________________________________

_______________________________________________________________________________________

_______________________________________________________________________________________

24 NCB.CW/W-1

Letter of Acceptance

(letterhead paper of the Employer)

________________________[date]

To: _________________________________________________________________________[name and

address of the Contractor]

Dear Sirs,

This is to notify you that your Bid dated ____________ for execution of the

______________________________________________________________________________________ [name

of the contract and identification number, as given in the Instructions to Bidders] for the Contract Price of Rupees (

) [ ] [amount in words

and figures], as corrected and modified in accordance with the Instructions to Bidders1 is hereby accepted by our

Agency.

We note that as per bid, you do not intend to subcontract any component of work

[OR]

We note that as per bid, you propose to employ M/s. .......................................... as sub-contractor for

executing ...........................................

[Delete whichever is not applicable].

You are hereby requested to furnish Performance Security, plus additional security for unbalanced bids in

terms of ITB Clause 29.5, in the form detailed in Para 34.1 of ITB for an amount of Rs.————— within 21 days

of the receipt of this letter of acceptance valid upto 28 days from the date of expiry of Defects Liability Period i.e.

upto ............ and sign the contract, failing which action as stated in Para 34.3 of ITB will be taken.

Yours faithfully,

Authorized Signature

Name and Title of Signatory

Name of Agency

1 Delete "corrected and" or "and modified" if only one of these actions applies. Delete "as corrected and modified in accordance

with the Instructions to Bidders" if corrections or modifications have not been effected.

25 NCB.CW/W-1

Issue of Notice to proceed with the work

(letterhead of the Employer)

————— (date)

To

—————————————— (name and address of the Contractor)

——————————————

——————————————

Dear Sirs:

Pursuant to your furnishing the requisite security as stipulated in ITB Clause 34.1 and signing of the contract

agreement for the construction of —————— @ a Bid Price of Rs.——————, you are hereby instructed to

proceed with the execution of the said works in accordance with the contract documents.

Yours faithfully,

(Signature, name and title of

signatory authorized to sign on

behalf of Employer)

26 NCB.CW/W-1

Agreement Form

Agreement

This agreement, made the ___________________day of ______________19_______,

between______________________________________________________________________________________

_____________________________________[name and address of Employer]

(hereinafter called ―the Employer‖) of the one part and _____________________________________________

____________________________________________________________________________________________

____________________________________________________[name and address of contractor] (hereinafter

called ―the Contractor‖) of the other part.

Whereas the Employer is desirous that the Contractor execute _____________________________

____________________________________________________________________________________________

____________________________________________________________________________________[ name

and identification number of Contract] (hereinafter called ―the Works‖) and the Employer has accepted the Bid by

the Contractor for the execution and completion of such Works and the remedying of any defects therein at a

contract price of Rupees...............................

NOW THIS AGREEMENT WITNESSETH as follows:

1. In this Agreement, words and expression shall have the same meanings as are respectively assigned to them in

the Conditions of Contract hereinafter referred to, and they shall be deemed to form and be read and construed

as part of this Agreement.

2. In consideration of the payments to be made by the Employer to the Contractor as hereinafter mentioned, the

Contractor hereby covenants with the Employer to execute and complete the Works and remedy any defects

therein in conformity in all aspects with the provisions of the Contract.

3. The Employer hereby covenants to pay the Contractor in consideration of the execution and completion of the

Works and the remedying the defects wherein the Contract Price or such other sum as may become payable

under the provisions of the Contract at the times and in the manner prescribed by the Contract.

4. The following documents shall be deemed to form and be read and construed as part of this Agreement, viz:

i) Letter of Acceptance;

ii) Notice to proceed with the works;

iii) Contractor‘s Bid;

iv) Contract Data;

v) Conditions of contract (including Special Conditions of Contract);

vi) Specifications;

vii) Drawings;

viii) Bill of Quantities; and

ix) Any other document listed in the Contract Data as forming part of the contract.

27 NCB.CW/W-1

In witness whereof the parties thereto have caused this Agreement to be executed the day and year first before

written.

The Common Seal of ___________________________________________________________

was hereunto affixed in the presence of:

Signed, Sealed and Delivered by the said ___________________________________________________

_____________________________________________________________________________________

in the presence of:

Binding Signature of Employer _______________________________________________________

Binding Signature of Contractor _____________________________________________________

28 NCB.CW/W-1

SECTION 3: CONDITIONS OF CONTRACT

29 NCB.CW/W-1

Conditions of Contract

Table of Contents

A. General Page No. C. Quality Control Page No.

1. Definitions 31 33. Identifying Defects 37

2. Interpretation 32 34. Tests 37

3. Language and Law 33 35. Correction of Defects 38

4. Engineer's Decisions 33 36. Uncorrected Defects 38

5. Delegation 33

6. Communications 33

7. Subcontracting 33 D. Cost Control

8. Other Contractors 33 37. Bill of Quantities 38

9. Personnel 33 38. Changes in the Quantities 38

10. Employer‘s & Contractor's

Risks 34 39. Variations 38

11. Employer's Risks 34 40. Payments for Variations 38

12. Contractor‘s Risks 34 41. Cash Flow Forecasts 39

13. Insurance 34 42. Payment Certificates 39

14. Site Investigation Reports 34 43. Payments 39

15. Queries about the Contract 35 44. Compensation Events 39

Data 45. Tax 41

16. Contractor to Construct the 35 46. Currencies 41

Works 47. Price Adjustments

17. The Works to Be Completed by 35 48. Retention 41

the Intended Completion Date 49. Liquidated Damages 41

18. Approval by the Engineer 35 50. Bonus

51. Advance Payment

19. Safety 35 52. Securities 41

20. Discoveries 35 53. Dayworks

21. Possession of the Site 35 54. Cost of Repairs 42

22. Access to the Site 35

23. Instructions 36

24. Disputes 36 E. Finishing the Contract

25. Procedure for Disputes 36 55. Completion 42

26. Replacement of Adjudicator 56. Taking Over 42

57. Final Account 42

B. Time Control 58. Operating and Maintenance Manuals 42

27. Program 36 59. Termination 42

28. Extension of the Intended 36 60. Payment upon Termination 43

Completion Date 61. Property 43

29. Acceleration 62. Release from Performance 44

30. Delays Ordered by the 37 63. Suspension of World Bank Loan or

Engineer Credit 44

31. Management Meetings 37

32. Early Warning 37 F. Special Conditions of Contract 45-48

30 NCB.CW/W-1

Conditions of Contract

A. General

1. Definitions

1.1 Terms which are defined in the Contract Data are not also defined in the Conditions of Contract but

keep their defined meanings. Capital initials are used to identify defined terms.

Bill of Quantities means the priced and completed Bill of Quantities forming part of the Bid.

Compensation Events are those defined in Clause 44 hereunder.

The Completion Date is the date of completion of the Works as certified by the Engineer in

accordance with Sub Clause 55.1.

The Contract is the contract between the Employer and the Contractor to execute, complete and

maintain the Works. It consists of the documents listed in Clause 2.3 below.

The Contract Data defines the documents and other information which comprise the Contract.

The Contractor is a person or corporate body whose Bid to carry out the Works has been accepted by

the Employer.

The Contractor's Bid is the completed Bidding document submitted by the Contractor to the

Employer.

The Contract Price is the price stated in the Letter of Acceptance and thereafter as adjusted in

accordance with the provisions of the Contract.

Days are calendar days; months are calendar months.

A Defect is any part of the Works not completed in accordance with the Contract.

The Defects Liability Period is the period named in the Contract Data and calculated from the

Completion Date.

The Employer is the party who will employ the Contractor to carry out the Works.

The Engineer is the person named in the Contract Data (or any other competent person appointed and

notified to the contractor to act in replacement of the Engineer) who is responsible for supervising the

execution of the works and administering the Contract.

Equipment is the Contractor's machinery and vehicles brought temporarily to the Site to construct the

Works.

The Initial Contract Price is the Contract Price listed in the Employer's Letter of Acceptance.

The Intended Completion Date is the date on which it is intended that the Contractor shall complete

the Works. The Intended Completion Date is specified in the Contract Data. The Intended Completion

Date may be revised only by the Engineer by issuing an extension of time.

Materials are all supplies, including consumables, used by the contractor for incorporation in the

Works.

Plant is any integral part of the Works which is to have a mechanical, electrical, electronic or

chemical or biological function.

The Site is the area defined as such in the Contract Data.

31 NCB.CW/W-1

Site Investigation Reports are those which were included in the Bidding documents and are factual

interpretative reports about the surface and sub-surface conditions at the site.

Specification means the Specification of the Works included in the Contract and any modification or

addition made or approved by the Engineer.

The Start Date is given in the Contract Data. It is the date when the Contractor shall commence

execution of the works. It does not necessarily coincide with any of the Site Possession Dates.

A Subcontractor is a person or corporate body who has a Contract with the Contractor to carry out a

part of the work in the Contract which includes work on the Site.

Temporary Works are works designed, constructed, installed, and removed by the Contractor which

are needed for construction or installation of the Works.

A Variation is an instruction given by the Engineer which varies the Works.

The Works are what the Contract requires the Contractor to construct, install, and turn over to the

Employer, as defined in the Contract Data.

2. Interpretation

2.1 In interpreting these Conditions of Contract, singular also means plural, male also means female or

neuter, and the other way around. Headings have no significance. Words have their normal meaning

under the language of the Contract unless specifically defined. The Engineer will provide instructions

clarifying queries about the Conditions of Contract.

2.2 If sectional completion is specified in the Contract Data, references in the Conditions of Contract to

the Works, the Completion Date, and the Intended Completion Date apply to any Section of the Works

(other than references to the Completion Date and Intended Completion date for the whole of the

Works).

2.3 The documents forming the Contract shall be interpreted in the following order of priority:

(1) Agreement

(2) Letter of Acceptance, notice to proceed with the works

(3) Contractor‘s Bid

(4) Contract Data

(5) Conditions of Contract

(6) Specifications

(7) Drawings

(8) Bill of quantities and

(9) any other document listed in the Contract Data as forming part of the Contract.

32 NCB.CW/W-1

3. Language and Law

3.1 The language of the Contract and the law governing the Contract are stated in the Contract Data.

4. Engineer's Decisions

4.1 Except where otherwise specifically stated, the Engineer will decide contractual matters between the

Employer and the Contractor in the role representing the Employer.

5. Delegation

5.1 The Engineer may delegate any of his duties and responsibilities to other people except to the

Adjudicator after notifying the Contractor and may cancel any delegation after notifying the

Contractor.

6. Communications

6.1 Communications between parties which are referred to in the conditions are effective only when in

writing. A notice shall be effective only when it is delivered (in terms of Indian Contract Act).

7. Subcontracting

7.1 The Contractor may subcontract with the approval of the Engineer but may not assign the Contract

without the approval of the Employer in writing. Subcontracting does not alter the Contractor's

obligations.

8. Other Contractors

8.1 The Contractor shall cooperate and share the Site with other contractors, public authorities, utilities,

and the Employer between the dates given in the Schedule of Other Contractors. The Contractor shall

as referred to in the Contract Data, also provide facilities and services for them as described in the

Schedule. The employer may modify the schedule of other contractors and shall notify the contractor

of any such modification.

9. Personnel

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

in the Contract Data 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.

9.2 If the Engineer asks the Contractor to remove a person who is a member of the Contractor‘s staff or

his work force stating the reasons the Contractor shall ensure that the person leaves the Site within

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

10. Employer’s and Contractor's Risks

10.1 The Employer carries the risks which this Contract states are Employer‘s risks, and the Contractor

carries the risks which this Contract states are Contractor‘s risks.

11. Employer's Risks

11.1 The Employer is responsible for the excepted risks which are (a) in so far as they directly affect the

execution of the Works in the Employer‘s country, the risks of war, hostilities, invasion, act of foreign

enemies, rebellion, revolution, insurrection or military or usurped power, civil war, riot commotion or

disorder (unless restricted to the Contractor‘s employees), and contamination from any nuclear fuel or

nuclear waste or radioactive toxic explosive, or (b) a cause due solely to the design of the Works,

other than the Contractor‘s design.

33 NCB.CW/W-1

12. Contractor’s Risks

12.1 All risks of loss of or damage to physical property and of personal injury and death which arise during

and in consequence of the performance of the Contract other than the excepted risks are the

responsibility of the Contractor.

13. Insurance

13.1 The Contractor shall provide, in the joint names of the Employer and the Contractor, insurance cover

from the Start Date to the end of the Defects Liability Period, in the amounts and deductibles stated in

the Contract Data for the following events which are due to the Contractor‘s risks:

(a) loss of or damage to the Works, Plant and Materials;

(b) loss of or damage to Equipment;

(c) loss of or damage of property (except the Works, Plant, Materials and Equipment) in

connection with the Contract; and

(d) personal injury or death.

13.2 Policies and certificates for insurance shall be delivered by the Contractor to the Engineer for the

Engineer‘s approval before the Start Date. All such insurance shall provide for compensation to be

payable in the types and proportions of currencies required to rectify the loss or damage incurred.

13.3 If the Contractor does not provide any of the policies and certificates required, the Employer may

effect the insurance which the Contractor should have provided and recover the premiums the

Employer has paid from payments otherwise due to the Contractor or, if no payment is due, the

payment of the premiums shall be a debt due.

13.4 Alterations to the terms of an insurance shall not be made without the approval of the Engineer.

13.5 Both parties shall comply with any conditions of the insurance policies.

14. Site Investigation Reports

14.1 The Contractor, in preparing the Bid, shall rely on any site Investigation Reports referred to in the

Contract Data, supplemented by any information available to the Bidder.

15. Queries about the Contract Data

15.1 The Engineer will clarify queries on the Contract Data.

16. Contractor to Construct the Works

16.1 The Contractor shall construct and install the Works in accordance with the Specification and

Drawings, and as per instructions of Engineer.

17. The Works to Be Completed by the Intended Completion Date

17.1 The Contractor may commence execution of the Works on the Start Date and shall carry out the

Works in accordance with the program submitted by the Contractor, as updated with the approval of

the Engineer, and complete them by the Intended Completion Date.

34 NCB.CW/W-1

18. Approval by the Engineer

18.1 The Contractor shall submit Specifications and Drawings showing the proposed Temporary Works to

the Engineer, who is to approve them if they comply with the Specifications and Drawings.

18.2 The Contractor shall be responsible for design of Temporary Works.

18.3 The Engineer's approval shall not alter the Contractor's responsibility for design of the Temporary

Works.

18.4 The Contractor shall obtain approval of third parties to the design of the Temporary Works where

required.

18.5 All Drawings prepared by the Contractor for the execution of the temporary or permanent Works, are

subject to prior approval by the Engineer before their use.

19. Safety

19.1 The Contractor shall be responsible for the safety of all activities on the Site.

20. Discoveries

20.1 Anything of historical or other interest or of significant value unexpectedly discovered on the Site is

the property of the Employer. The Contractor is to notify the Engineer of such discoveries and carry

out the Engineer's instructions for dealing with them.

21. Possession of the Site

21.1 The Employer shall give possession of all parts of the Site to the Contractor. If possession of a part is

not given by the date stated in the Contract Data the Employer is deemed to have delayed the start of

the relevant activities and this will be Compensation Event.

22. Access to the Site

22.1 The Contractor shall allow the Engineer and any person authorized by the Engineer access to the Site,

to any place where work in connection with the Contract is being carried out or is intended to be

carried out and to any place where materials or plant are being manufactured / fabricated / assembled

for the works.

23. Instructions

23.1 The Contractor shall carry out all instructions of the Engineer which comply with the applicable laws

where the Site is located.

23.2 The Contractor shall permit the bank to inspect the Contractor‘s accounts and records relating to the

performance of the Contractor and to have them audited by auditors appointed by the Bank, if so

required by the Bank.

24. Disputes

24.1 If the Contractor believes that a decision taken by the Engineer was either outside the authority given

to the Engineer by the Contract or that the decision was wrongly taken, the decision shall be referred

to the Arbitrator within 28 days of the notification of the Engineer's decision.

25 Procedure for Disputes

25.1 deleted

25.2 deleted

25.3 The arbitration shall be conducted in accordance with the arbitration procedure stated in the Special

Conditions of Contract.

35 NCB.CW/W-1

26. Replacement of Adjudicator - deleted

B. Time Control

27. Program

27.1 Within the time stated in the Contract Data the Contractor shall submit to the Engineer for approval a

Program showing the general methods, arrangements, order, and timing for all the activities in the

Works, along with monthly cash flow forecast.

27.2 An update of the Program shall be a program showing the actual progress achieved on each activity

and the effect of the progress achieved on the timing of the remaining work including any changes to

the sequence of the activities.

27.3 The Contractor shall submit to the Engineer, for approval, an updated Program at intervals no longer

than the period stated in the Contract Data. If the Contractor does not submit an updated Program

within this period, the Engineer may withhold the amount stated in the Contract Data from the next

payment certificate and continue to withhold this amount until the next payment after the date on

which the overdue Program has been submitted.

27.4 The Engineer's approval of the Program shall not alter the Contractor's obligations. The Contractor

may revise the Program and submit it to the Engineer again at any time. A revised Program is to show

the effect of Variations and Compensation Events.

28. Extension of the Intended Completion Date

28.1 The Engineer shall extend the Intended Completion Date if a Compensation Event occurs or a

Variation is issued which makes it impossible for Completion to be achieved by the Intended

Completion Date without the Contractor taking steps to accelerate the remaining work and which

would cause the Contractor to incur additional cost.

28.2 The Engineer shall decide whether and by how much to extend the Intended Completion Date within

21 days of the Contractor asking the Engineer for a decision upon the effect of a Compensation Event

or Variation and submitting full supporting information. If the Contractor has failed to give early

warning of a delay or has failed to cooperate in dealing with a delay, the delay by this failure shall not

be considered in assessing the new Intended Completion Date.

29. Deleted

30. Delays Ordered by the Engineer

30.1 The Engineer may instruct the Contractor to delay the start or progress of any activity within the

Works.

31. Management Meetings

31.1 Either the Engineer or the Contractor may require the other to attend a management meeting. The

business of a management meeting shall be to review the plans for remaining work and to deal with

matters raised in accordance with the early warning procedure.

31.2 The Engineer shall record the business of management meetings and is to provide copies of his record

to those attending the meeting and to the Employer. The responsibility of the parties for actions to be

taken is to be decided by the Engineer either at the management meeting or after the management

meeting and stated in writing to all who attended the meeting.

32. Early Warning

36 NCB.CW/W-1

32.1 The Contractor is to warn the Engineer at the earliest opportunity of specific likely future events or

circumstances that may adversely affect the quality of the work, increase the Contract Price or delay

the execution of works. The Engineer may require the Contractor to provide an estimate of the

expected effect of the future event or circumstance on the Contract Price and Completion Date. The

estimate is to be provided by the Contractor as soon as reasonably possible.

32.2 The Contractor shall cooperate with the Engineer in making and considering proposals for how the

effect of such an event or circumstance can be avoided or reduced by anyone involved in the work and

in carrying out any resulting instruction of the Engineer.

C. Quality Control

33. Identifying Defects

33.1 The Engineer shall check the Contractor's work and notify the Contractor of any Defects that are

found. Such checking shall not affect the Contractor's responsibilities. The Engineer may instruct the

Contractor to search for a Defect and to uncover and test any work that the Engineer considers may

have a Defect.

33.2 The contractor shall permit the Employer‘s Technical auditor to check the Contractor‘s work and

notify the Engineer and Contractor of any defects that are found. Such a check shall not affect the

Contractor‘s or the Engineer‘s responsibility as defined in the Contract Agreement.

34. Tests

34.1 If the Engineer instructs the Contractor to carry out a test not specified in the Specification to check

whether any work has a Defect and the test shows that it does, the Contractor shall pay for the test and

any samples. If there is no Defect the test shall be a Compensation Event.

35. Correction of Defects

35.1 The Engineer shall give notice to the Contractor of any Defects before the end of the Defects Liability

Period, which begins at Completion and is defined in the Contract Data. The Defects Liability Period

shall be extended for as long as Defects remain to be corrected.

35.2 Every time notice of a Defect is given, the Contractor shall correct the notified Defect within the

length of time specified by the Engineer‘s notice.

36. Uncorrected Defects

36.1 If the Contractor has not corrected a Defect within the time specified in the Engineer‘s notice, the

Engineer will assess the cost of having the Defect corrected, and the Contractor will pay this amount.

Note: Where in certain cases, the technical specifications provide for acceptance of works within specified

tolerance limits at reduced rates, Engineer will certify payments to Contractor accordingly.

D. Cost Control

37. Bill of Quantities

37.1 The Bill of Quantities shall contain items for the construction, installation, testing, and commissioning

work to be done by the Contractor.

37.2 The Bill of Quantities is used to calculate the Contract Price. The Contractor is paid for the quantity of

the work done at the rate in the Bill of Quantities for each item.

38. Changes in the Quantities

38.1 If the final quantity of the work done differs from the quantity in the Bill of Quantities for the

particular item by more than 25 percent provided the change exceeds 1% of Initial Contract Price, the

Engineer shall adjust the rate to allow for the change.

37 NCB.CW/W-1

38.2 The Engineer shall not adjust rates from changes in quantities if thereby the Initial Contract Price is

exceeded by more than 15 percent, except with the Prior approval of the Employer.

38.3 If requested by the Engineer, the Contractor shall provide the Engineer with a detailed cost breakdown

of any rate in the Bill of Quantities.

39. Variations

39.1 All Variations shall be included in updated Programs produced by the Contractor.

40. Payments for Variations

40.1 The Contractor shall provide the Engineer with a quotation (with breakdown of unit rates) for carrying

out the Variation when requested to do so by the Engineer. The Engineer shall assess the quotation,

which shall be given within seven days of the request or within any longer period stated by the

Engineer and before the Variation is ordered.

40.2 If the work in the Variation corresponds with an item description in the Bill of Quantities and if, in the

opinion of the Engineer, the quantity of work above the limit stated in Sub Clause 38.1 or the timing of

its execution do not cause the cost per unit of quantity to change, the rate in the Bill of Quantities shall

be used to calculate the value of the Variation. If the cost per unit of quantity changes, or if the nature

or timing of the work in the Variation does not correspond with items in the Bill of Quantities, the

quotation by the Contractor shall be in the form of new rates for the relevant items of work.

40.3 If the Contractor's quotation is unreasonable (or if the contractor fails to provide the Engineer with a

quotation within a reasonable time specified by the Engineer in accordance with Clause 40.1), the

Engineer may order the Variation and make a change to the Contract Price which shall be based on

Engineer‘s own forecast of the effects of the Variation on the Contractor's costs.

40.4 If the Engineer decides that the urgency of varying the work would prevent a quotation being given

and considered without delaying the work, no quotation shall be given and the Variation shall be

treated as a Compensation Event.

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

giving early warning.

41. Cash flow forecasts

41.1 When the Program is updated, the contractor is to provide the Engineer with an updated cash flow

forecast.

42. Payment Certificates

42.1 The Contractor shall submit to the Engineer monthly statements of the estimated value of the work

completed less the cumulative amount certified previously alongwith details of measurement of the

quantity of works executed in a tabulated form as approved by the Engineer.

42.2 The Engineer shall check the Contractor‘s monthly statement and within 14 days certify the amount to

be paid to the Contractor.

42.3 The value of work executed shall be determined by the Engineer after due check measurement of the

quantities claimed as executed by the contractor.

42.4 The value of work executed shall comprise the value of the quantities of the items in the Bill of

Quantities completed.

42.5 The value of work executed shall include the valuation of Variations and Compensation Events.

42.6 The Engineer may exclude any item certified in a previous certificate or reduce the proportion of any

item previously certified in any certificate in the light of later information.

43. Payments

38 NCB.CW/W-1

43.1 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 within 28 days of the date of each certificate. If the

Employer makes a late payment, the Contractor shall be paid interest on the late payment in the next

payment. Interest shall be calculated from the date by which the payment should have been made upto

the date when the late payment is made at 8% per annum.

43.2 If an amount certified is increased in a later certificate or as a result of an award by an Arbitrator, the

Contractor shall be paid interest upon the delayed payment as set out in this clause. Interest shall be

calculated from the date upon which the increased amount would have been certified in the absence of

dispute.

43.3 Items of the Works 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.

44. Compensation Events

44.1 The following are Compensation Events unless they are caused by the Contractor:

(a) The Employer does not give access to a part of the Site by the Site Possession Date stated in the

Contract Data.

(b) The Employer modifies the schedule of other contractors in a way which affects the work of the

contractor under the contract.

(c) The Engineer orders a delay or does not issue drawings, specifications or instructions required

for execution of works on time.

(d) The Engineer instructs the Contractor to uncover or to carry out additional tests upon work

which is then found to have no Defects.

(e) The Engineer unreasonably does not approve for a subcontract to be let.

(f) Ground conditions are substantially more adverse than could reasonably have been assumed

before issuance of Letter of Acceptance from the information issued to Bidders (including the

Site Investigation Reports), from information available publicly and from a visual inspection of

the Site.

(g) The Engineer gives an instruction for dealing with an unforeseen condition, caused by the

Employer, or additional work required for safety or other reasons.

(h) Other contractors, public authorities, utilities or the Employer does not work within the dates

and other constraints stated in the Contract, and they cause delay or extra cost to the Contractor.

(i) Deleted.

(j) The effect on the Contractor of any of the Employer‘s Risks.

(k) The Engineer unreasonably delays issuing a Certificate of Completion.

(l) Other Compensation Events listed in the Contract Data or mentioned in the Contract.

44.2 If a Compensation Event would cause additional cost or would prevent the work being completed

before the Intended Completion Date, the Contract Price shall be increased and/or the Intended

Completion Date is extended. The Engineer shall decide whether and by how much the Contract Price

shall be increased and whether and by how much the Intended Completion Date shall be extended.

44.3 As soon as information demonstrating the effect of each Compensation Event upon the Contractor's

forecast cost has been provided by the Contractor, it is to be assessed by the Engineer and the Contract

Price shall be adjusted accordingly. If the Contractor's forecast is deemed unreasonable, the Engineer

39 NCB.CW/W-1

shall adjust the Contract Price based on Engineer‘s own forecast. The Engineer will assume that the

Contractor will react competently and promptly to the event.

44.4 The Contractor shall not be entitled to compensation to the extent that the Employer's interests are

adversely affected by the Contractor not having given early warning or not having cooperated with the

Engineer.

45. Tax

45.1 The rates quoted by the Contractor shall be deemed to be inclusive of the sales and other taxes that the

Contractor will have to pay for the performance of this Contract. The Employer will perform such

duties in regard to the deduction of such taxes at source as per applicable law.

46. Currencies

46.1 All payments shall be made in Indian Rupees.

47. Price Adjustment - deleted

48. Retention

48.1 The Employer shall retain from each payment due to the Contractor the proportion stated in the

Contract Data until Completion of the whole of the Works.

48.2 On Completion of the whole of the Works half the total amount retained is repaid to the Contractor

and half when the Defects Liability Period has passed and the Engineer has certified that all Defects

notified by the Engineer to the Contractor before the end of this period have been corrected.

48.3 On completion of the whole works, the Contractor may substitute retention money with an ―on

demand‖ Bank guarantee.

49. Liquidated Damages

49.1 The Contractor shall pay liquidated damages to the Employer at the rate per day stated in the Contract

Data for each day that the Completion Date is later than the Intended Completion Date (for the whole

of the works or the milestones as stated in the Contract Data). The total amount of liquidated damages

shall not exceed the amount defined in the Contract Data. The Employer may deduct liquidated

damages from payments due to the Contractor. Payment of liquidated damages does not affect the

Contractor's liabilities.

49.2 If the Intended Completion Date is extended after liquidated damages have been paid, the Engineer

shall correct any overpayment of liquidated damages by the Contractor by adjusting the next payment

certificate. The Contractor shall be paid interest on the over payment calculated from the date of

payment to the date of repayment at the rates specified in Sub Clause 43.1.

50. Deleted

51. Advance Payment Deleted

52. Securities

40 NCB.CW/W-1

52.1 The Performance Security shall be provided to the Employer no later than the date specified in the

Letter of Acceptance and shall be issued in an amount and form and by a bank or surety acceptable to

the Employer, and denominated in Indian Rupees. The Performance Security shall be valid until a date

28 days from the date of expiry of Defects Liability Period and the additional security for unbalanced

bids shall be valid until a date 28 days from the date of issue of the certificate of completion.

53. Deleted

54. Cost of Repairs

54.1 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.

E. Finishing the Contract

55. Completion

55.1 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.

56. Taking Over

56.1 The Employer shall take over the Site and the Works within seven days of the Engineer issuing a

certificate of Completion

57. Final Account

57.1 The Contractor shall supply to the Engineer a detailed account of the total amount that the Contractor

considers payable under the Contract before the end of the Defects Liability Period. The Engineer

shall issue a Defect Liability Certificate and certify any final payment that is due to the Contractor

within 56 days of receiving the Contractor's account if it is correct and complete. If it is not, the

Engineer shall issue within 56 days a schedule that states the scope of the corrections or additions that

are necessary. If the Final Account is still unsatisfactory after it has been resubmitted, the Engineer

shall decide on the amount payable to the Contractor and issue a payment certificate within 56 days of

receiving the Contractor‘s revised account.

58. Operating and Maintenance Manuals

58.1 If ―as built‖ Drawings and/or operating and maintenance manuals are required, the Contractor shall

supply them by the dates stated in the Contract Data.

58.2 If the Contractor does not supply the Drawings and/or manuals by the dates stated in the Contract

Data, or they do not receive the Engineer‘s approval, the Engineer shall withhold the amount stated in

the Contract Data from payments due to the Contractor.

59. Termination

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

breach of the Contract.

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

(a) the Contractor stops work for 28 days when no stoppage of work is shown on the current

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

(b) the Engineer instructs the Contractor to delay the progress of the Works and the instruction is

not withdrawn within 28 days;

41 NCB.CW/W-1

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

reconstruction or amalgamation;

(d) a payment certified by the Engineer is not paid by the Employer to the Contractor within 56

days of the date of the Engineer's certificate;

(e) 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

the Engineer;

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

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

maximum amount of liquidated damages can be paid as defined in the Contract data; and

(h) if the Contractor, in judgment of the Purchaser engaged in fraud and corruption, a defined in

GCC Clause 64, in competing for or in executing the Contract.

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

than those listed under Sub Clause 59.2 above, the Engineer shall decide whether the breach is

fundamental or not.

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

59.5 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.

60. Payment upon Termination

60.1 If the Contract is terminated because of a fundamental breach of Contract by the Contractor, the

Engineer shall issue a certificate for the value of the work done less advance payments received up to

the date of the issue of the certificate, less other recoveries due in terms of the contract, less taxes due

to be deducted at source as per applicable law and less the percentage to apply to the work not

completed as indicated in the Contract Data. Additional Liquidated Damages shall not apply. If the

total amount due to the Employer exceeds any payment due to the Contractor the difference shall be a

debt payable to the Employer.

60.2 If the Contract is terminated at the Employer's convenience or because of a fundamental breach of

Contract by the Employer, the Engineer shall issue a certificate for the value of the work done, the

reasonable cost of removal of Equipment, repatriation of the Contractor's personnel employed solely

on the Works, and the Contractor's costs of protecting and securing the Works and less advance

payments received up to the date of the certificate, less other recoveries due in terms of the contract,

and less taxes due to be deducted at source as per applicable law.

61. Property

61.1 All materials on the Site, Plant, Equipment, Temporary Works and Works are deemed to be the

property of the Employer, if the Contract is terminated because of a Contractor‘s default.

42 NCB.CW/W-1

62. Release from Performance

62.1 If the Contract is frustrated by the outbreak of war or by any other event entirely outside the control of

either the Employer or the Contractor the Engineer shall certify that the Contract has been frustrated.

The Contractor shall make the Site safe and stop work as quickly as possible after receiving this

certificate and shall be paid for all work carried out before receiving it and for any work carried out

afterwards to which commitment was made.

63. Suspension of World Bank Loan or Credit

63.1 In the event that the World Bank suspends the Loan or Credit to the Employer, from which part of the

payments to the Contractor are being made:

(a) The Employer is obligated to notify the Contractor of such suspension within 7 days of having

received the World Bank‘s suspension notice.

(b) If the Contractor has not received sums due to it upon the expiration of the 28 days for payment

provided for in Sub-Clause 43.1, the Contractor may immediately issue a 14-day termination

notice.

64. Fraud and Corruption

64.1 The Bank requires that Borrowers (including beneficiaries of Bank loans), as well as Bidders,

Suppliers, Contractors, and Consultants under Bank-financed contracts, observe the highest standard of

ethics during the procurement and execution of such contracts. In pursuit of this policy, the Bank:

(a) defines, for the purposes of this provision, the terms set forth below as follows:

(i) ―corrupt practice‖ means the offering, giving, receiving, or soliciting, directly or

indirectly, of anything of value to influence the action of a public official in the

procurement process or in contract execution;

(ii) ―fraudulent practice‖ means a misrepresentation or omission of facts in order to influence

a procurement process or the execution of a contract;

(iii) ―collusive practice‖ means a scheme or arrangement between two or more Bidders, with

or without the knowledge of the borrower, designed to establish bid prices at artificial,

non competitive levels; and

(iv) ―coercive practice‖ means harming or threatening to harm, directly or indirectly, persons

or their property to influence their participation in the procurement process or affect the

execution of a contract;

(b) will cancel the portion of the loan allocated to a contract if it determines at any time that

representatives of the Borrower or of a beneficiary of the loan engaged in corrupt, fraudulent,

collusive or coercive practices during the procurement or the execution of that contract, without

the Borrower having taken timely and appropriate action satisfactory to the Bank to remedy the

situation;

(c) will sanction a firm or individual, including declaring them ineligible, either indefinitely or for a

stated period of time, to be awarded a Bank-financed contract if it at any time determines that they

have, directly or through an agent, engaged, in corrupt, fraudulent, collusive or coercive practices

in competing for, or in executing, a Bank-financed contract; and

43 NCB.CW/W-1

(d) will have the right to require that Contractors to permit the Bank to inspect their accounts and

records and other documents relating to the bid submission and contract performance and to have

them audited by auditors appointed by the Bank.

44 NCB.CW/W-1

F. Special Conditions of Contract

1. LABOUR :

The Contractor shall, unless otherwise provided in the Contract, make his own arrangements for the

engagement of all staff and labour, local or other, and for their payment, housing, feeding and transport.

The Contractor shall, if required by the Engineer, deliver to the Engineer a return in detail, in such form and at

such intervals as the Engineer may prescribe, showing the staff and the numbers of the several classes of labour

from time to time employed by the Contractor on the Site and such other information as the Engineer may

require.

2. COMPLIANCE WITH LABOUR REGULATIONS :

During continuance of the contract, the Contractor and his sub contractors shall abide at all times by all

existing labour enactments and rules made thereunder, regulations, notifications and bye laws of the State or

Central Government or local authority and any other labour law (including rules), regulations, bye laws that

may be passed or notification that may be issued under any labour law in future either by the State or the

Central Government or the local authority. Salient features of some of the major labour laws that are

applicable to construction industry are given below. The Contractor shall keep the Employer indemnified in

case any action is taken against the Employer by the competent authority on account of contravention of any of

the provisions of any Act or rules made thereunder, regulations or notifications including amendments. If the

Employer is caused to pay or reimburse, such amounts as may be necessary to cause or observe, or for non-

observance of the provisions stipulated in the notifications/bye laws/Acts/Rules/regulations including

amendments, if any, on the part of the Contractor, the Engineer/Employer shall have the right to deduct any

money due to the Contractor including his amount of performance security. The Employer/Engineer shall also

have right to recover from the Contractor any sum required or estimated to be required for making good the

loss or damage suffered by the Employer.

The employees of the Contractor and the Sub-Contractor in no case shall be treated as the employees of the

Employer at any point of time.

SALIENT FEATURES OF SOME MAJOR LABOUR LAWS APPLICABLE TO

ESTABLISHMENTS ENGAGED IN BUILDING AND OTHER CONSTRUCTION WORK.

a) Workmen Compensation Act 1923: The Act provides for compensation in case of injury by accident

arising out of and during the course of employment.

b) Payment of Gratuity Act 1972: Gratuity is payable to an employee under the Act on satisfaction of

certain conditions on separation if an employee has completed 5 years service or more or on death the

rate of 15 days wages for every completed year of service. The Act is applicable to all establishments

employing 10 or more employees.

c) Employees P.F. and Miscellaneous provision Act 195: The Act Provides for monthly contributions by

the employer plus workers @ 10% or 8.33%. The benefits payable under the Act are :

(i) Pension or family pension on retirement or death as the case may be.

(ii) Deposit linked insurance on the death in harness of the worker.

(iii) payment of P.F. accumulation on retirement/death etc.

d) Maternity Benefit Act 1951 :- The Act provides for leave and some other benefits to women

employees in case of confinement or miscarriage etc.

45 NCB.CW/W-1

e) Contract Labour (Regulation & Abolition) Act 1970: The Act provides for certain welfare measures

to be provided by the Contractor to contract labour and in case the Contractor fails to provide, the

same are required to be provided, by the Principal Employer by Law. The principal Employer is

required to take Certificate of Registration and the Contractor is required to take license from the

designated Officer. The Act is applicable to the establishments or Contractor of Principal Employer if

they employ 20 or more contract labour.

f) Minimum Wages Act 1948: The Employer is supposed to pay not less than the Minimum Wages fixed

by appropriate Government as per provisions of the Act if the employment is a scheduled

employment. Construction of Buildings, Roads, Runways are scheduled employment.

g) Payment of Wages Act 1936: It lays down as to by what date the wages are to be paid, when it will be

paid and what deductions can be made from the wages of the workers.

h) Equal Remuneration Act 1979: The Act provides for payment of equal wages for work of equal nature

to Male and Female workers and for not making discrimination against Female employees in the

matters of transfers, training and promotions etc.

i) Payment of Bonus Act 1965: The Act is applicable to all establishments employing 20 or more

workmen. The Act provides for payments of annual bonus subject to a minimum of 8.33% of wages

and maximum of 20% of wages to employees drawing Rs.3500/- per month. or less. The bonus to be

paid to employees getting Rs.2500/- per month or above upto Rs.3500/- per month. shall be worked

out by taking wages as Rs.2500/- per month only. The Act does not apply to certain establishments.

The newly set-up establishments are exempted for five years in certain circumstances. Some of the

State Governments have reduced the employment size from 20 to 10 for the purpose of applicability

of the Act.

j) Industrial Disputes Act 1947: The Act lays down the machinery and procedure for resolution of

Industrial disputes, in what situations a strike or lock-out becomes illegal and what are the

requirements for laying off or retrenching the employees or closing down the establishment.

k) Industrial Employment (Standing Orders) Act 1946: It is applicable to all establishments employing

100 or more workmen (employment size reduced by some of the States and Central Government to

50). The Act provides for laying down rules governing the conditions of employment by the Employer

on matters provided in the Act and get the same certified by the designated Authority.

l) Trade Unions Act 1926: The Act lays down the procedure per registration of trade unions of workmen

and employers. The Trade Unions registered under the Act have been given certain immunities from

civil and criminal liabilities.

m) Child Labour (Prohibition & Regulation) Act 1986: The Act prohibits employment of children below

14 years of age in certain occupations and processes and provides for regulations of employment of

children in all other occupations and processes. Employment of Child Labour is prohibited in Building

and Construction Industry.

n) Inter-State Migrant workmen‘s (Regulation of Employment & Conditions of Service) Act 1979 :- The

Act is applicable to an establishment which employs 5 or more inter-state migrant workmen through

an intermediary (who has recruited workmen in one state for employment in the establishment situated

in another state). The Inter-State migrant workmen, in an establishment to which this Act becomes

applicable, are required to be provided certain facilities such as Housing, Medical-Aid, Travelling

expenses from home upto the establishment and back etc.

o) The Building and Other Construction workers (Regulation of Employment and Conditions of Service)

Act 1996 and the Cess Act of 1996: All the establishments who carry on any building or other

construction work and employs 10 or more workers are covered under this Act. All such

establishments are required to pay cess at the rate not exceeding 2% of the cost of construction as may

be modified by the Government. The Employer of the establishment is required to provide safety

measures at the Building or construction work and other welfare measures, such as Canteens, First-

Aid facilities, Ambulance, Housing accommodations for workers near the work place etc. The

46 NCB.CW/W-1

Employer to whom the Act applies has to obtain a registration certificate from the Registering Officer

appointed by the Government.

p) Factories Act 1948: The Act lays down the procedure for approval at plans before setting up a factory,

health and safety provisions, welfare provisions, working hours, annual earned leave and rendering

information regarding accidents or dangerous occurrences to designated authorities. It is applicable to

premises employing 10 persons or more with aid of power or 20 or more persons without the aid of

power engaged in manufacturing process.

3. SUB-CONTRACTING (GCC Clause 7)

Please add the following as Clause 7.2:

The contractor shall not be required to obtain any consent from the employer for:

a) the sub-contracting of any part of the Works for which the Sub-contractor is named in the contract;

b) the provision of labour; and

c) the purchase of materials which are in accordance with the standards specified in the Contract.

Beyond this if the contractor proposes sub-contracting any part of the work during execution of works,

because of some unforeseen circumstances to enable him to complete the work as per terms of the contract,

the Engineer will consider the following before according approval:

- The contractor shall not sub-contract the whole of the Works.

- The contractor shall not sub-contract any part of the Work without prior consent of the Engineer. Any

such consent shall not relieve the contractor from any liability or obligations under the contract and he

shall be responsible for the acts, defaults and neglects of any sub-contractor, his agents or workmen as

fully as if they were the acts, defaults or neglects of the contractor, his agents or workmen.

- The Engineer should satisfy whether (a) the circumstances warrant such sub-contracting; and (b) the

sub-contractors so proposed for the Work possess the experience, qualifications and equipment

necessary for the job proposed to be entrusted to them in proportion to the quantum of work to be sub-

contracted.

- If payments are proposed to be made directly to that sub-contractor, this should be subject to specific

authorization by the prime contractor so that this arrangement does not alter the contractor's liability or

obligations under the contract.)

4. ARBITRATION (GCC Clause 25.3)

The procedure for arbitration will be as follows :

25.3 (a) In case of Dispute or difference arising between the Employer and a domestic contractor relating

to any matter arising out of or connected with this agreement, such disputes or difference shall

be settled in accordance with the Arbitration and Conciliation Act, 1996. The arbitral tribunal

shall consist of 3 arbitrators one each to be appointed by the Employer and the Contractor. The

third Arbitrator shall be chosen by the two Arbitrators so appointed by the Parties and shall act a

presiding arbitrator. In case of failure of the two arbitrators appointed by the parties to reach

upon a consensus within a period of 30 days from the appointment of the arbitrator appointed

subsequently, the Presiding Arbitrator shall be appointed by the * Indian Council of

Arbitration/President of the Institution of Engineers (India)/The International Centre for

Alternative Dispute Resolution (India).

____________________________________ (Note: 1. All bidders are expected to indicate clearly in the bid, if they proposed sub-contracting parts of the works amounting to more than 20 percent

of the Bid Price. For each such proposal the qualification and the experience of the identified sub-contractor in the relevant field should be furnished

alongwith the bid to enable the employer to satisfy himself about their qualifications before agreeing for such sub-contracting and include it in the

contract. In view of the above, normally no additional sub-contracting should arise during execution of the contract.)

2. However, [a] sub contracting for certain specialized elements of the work is not unusual and acceptable for carrying out the works more

effectively; but vertical splitting of the works for subcontracting is not acceptable [b] In any case, proposal for sub-contracting in addition to

what was specified in bid and stated in contract agreement will not be acceptable if the value of such additional sub-contracting exceeds 25%

of value of work which was to be executed by Contractor without sub-contracting.

3. Assignment of the contract may be acceptable only under exceptional circumstances such as insolvencies/liquidation or merger of

companies etc.

47 NCB.CW/W-1

(b) In the case of dispute with a Foreign contractor the dispute shall be settled in accordance with

provisions of UNCITRAL (United Nations Commission on International Trade Law) Arbitration

Rules. The Arbitral Tribunal shall consist of three Arbitrators one each to be appointed by the

Employer and the Contractor. The third Arbitrator shall be chosen by the two Arbitrators so

appointed by the Parties, and shall act a presiding arbitrator. In case of failure of the two

arbitrators appointed by the parties to reach upon a consensus within a period of 30 days from

the appointment of the arbitrator appointed subsequently, the Presiding arbitrator shall be

appointed by the * Indian Council of Arbitration/President of the Institution of Engineers

(India)/The International Centre for Alternative Dispute Resolution (India).

(c) If one of the parties fails to appoint its arbitrator in pursuance of sub-clause (a) and (b) above

within 30 days after receipt of the notice of the appointment of its arbitrator by the other party,

then the * Indian Council of Arbitration/President of the Institution of Engineers (India)/The

International centre for Alternative Dispute Resolution (India), both in cases of the Foreign

Contractor as well as Indian Contractor, shall appoint the arbitrator. A certified copy of the

order of the *Indian Council of Arbitration/President of the Institution of Engineers (India)/The

International Centre for Alternative Disputes Resolution (India), making such an appointment

shall be furnished to each of the parties.

(d) Arbitration proceedings shall be held at Anand, Gujarat, India, and the language of the

arbitration proceedings and that of all documents and communications between the parties shall

be English.

(e) The decision of the majority of arbitrators shall be final and binding upon both parties. The cost

and expenses of Arbitration proceedings will be paid as determined by the arbitral tribunal.

However, the expenses incurred by each party in connection with the preparation, presentation,

etc. of its proceedings as also the fees and expenses paid to the arbitrator appointed by such

party or on its behalf shall be borne by each party itself.

(f) In the event value of the contract is upto Rs.50 millions, the disputes or differences arising shall

be referred to the Sole Arbitrator. The Sole Arbitrator should be appointed by agreement

between the parties, failing such agreement by the appointing authority, i.e. the *Indian Council

of Arbitration/President of the Institution of Engineers (India)/The International Centre for

Alternative Disputes Resolution (India).

(g) Performance under the contract shall continue during the arbitration proceedings and payments

due to the contractor by the owners shall not be withheld, unless they are the subject matter of

the arbitration proceedings.

5. PROTECTION OF ENVIRONMENT:

Add the following as GCC Clause 16.2:

The contractor shall take all reasonable steps to protect the environment on and off the Site and to

avoid damage or nuisance to persons or to property of the public or others resulting from pollution,

noise or other causes arising as a consequence of his methods of operation.

During continuance of the contract, the contractor and his sub-contractors shall abide at all times by all

existing enactments on environmental protection and rules made thereunder, regulations, notifications

and bye-laws of the State or Central Government, or local authorities and any other law, bye-law,

regulations that may be passed or notification that may be issued in this respect in future by the State

or Central Government or the local authority.

Salient features of some of the major laws that are applicable are given below :

* Choose one alternative. Insert Chairman of the executive Committee of the Indian Roads Congress

(for highway project) or any other appropriate institutions (for other types of works).

48 NCB.CW/W-1

The Water (Prevention and Control of Pollution) Act, 1974, This provides for the prevention and

control of water pollution and the maintaining and restoring of wholesomeness of water. 'Pollution'

means such contamination of water or such alteration of the physical, chemical or biological

properties of water or such discharge of any sewage or trade effluent or of any other liquid, gaseous or

solid substance into water (whether directly or indirectly) as may, or is likely to, create a nuisance or

render such water harmful or injurious to public health or safety, or to domestic, commercial,

industrial, agricultural or other legitimate uses, or to the life and health of animals or plants or of

aquatic organisms.

The Air (Prevention and Control of Pollution) Act, 1981, This provides for prevention, control and

abatement of air pollution. 'Air Pollution' means the presence in the atmosphere of any 'air pollutant',

which means any solid, liquid or gaseous substance (including noise) present in the atmosphere in

such concentration as may be or tend to be injurious to human beings or other living creatures or

plants or property or environment.

The Environment (Protection) Act, 1986, This provides for the protection and improvement of

environment and for matters connected therewith, and the prevention of hazards to human beings,

other living creatures, plants and property. 'Environment' includes water, air and land and the inter-

relationship which exists among and between water, air and land, and human beings, other living

creatures, plants, micro-organism and property.

The Public Liability Insurance Act, 1991, This provides for public liability insurance for the purpose

of providing immediate relief to the persons affected by accident occurring while handling hazardous

substances and for matters connected herewith or incidental thereto. Hazardous substance means any

substance or preparation which is defined as hazardous substance under the Environment (Protection)

Act 1986, and exceeding such quantity as may be specified by notification by the Central

Government.

[Employers should note that the Loan Agreement between IBRD and the borrowing country may

establish specific measures to be taken during construction of the Works for the protection of the

environment. Sub-clause 16.2 should be modified/expanded to take into account such specific

measures or other measures considered appropriate by the Employer]

6. LIQUIDATED DAMAGES:

Sub-clause 49.1:

Please substitute the last sentence with the following:

―Time is the essence of the contract and payment or deduction of liquidated damages shall not relieve

the contractor from his obligation to complete the work as per agreed construction program and

milestones or from any other of the contractor‘s obligations and liabilities under the contract.‖

49 NCB.CW/W-1

SECTION 4: CONTRACT DATA

50 NCB.CW/W-1

Contract Data

Items marked "N/A" do not apply in this Contract.

The following documents are also part of the Contract: Clause Reference

· The Schedule of Operating and Maintenance Manuals [58]

· The Schedule of Other Contractors [8]

· The Schedule of Key Personnel [9]

· The Methodology and Program of Construction [27]

· The Schedule of Key and Critical equipment to be deployed [27]

on the work as per agreed program of construction

· Site Investigation reports [14

The Borrower is Government of India / .............................................. [1.1]

[name of Borrower and statement of relationship with the Employer, if

different from the Borrower].

The World Bank means ____________________________ [1.1]

________________________________________________

[insert ”International Bank for Reconstruction and Development (IBRD)” or

International Development Association (IDA), “as appropriate] ,

and loan refers to an __________________

[insert “IBRD Loan” or “IDA Credit”, as appropriate]

The above insertions should correspond to the information provided in the Invitation for Bids.

The Employer is :

Name: Birla Vishvakarma Mahavidyalaya, Vallabh Vidyanagar (1.1)

Address: Mota Bazar, Vallabh Vidyanagar, Anand-388120

Name of authorized Representative: __________________________

The Engineer is [1.1)

Name: ______________________________________________

Address: ________________________________________________

Name of Authorized Representative: __________________________

The name and identification number of the Contract is

________________________________________________________________________________________

[insert name and number as indicated in the Invitation for Bids (or Prequalification, if any]. [1.1]

The Works consist of ---------------------------------------------------------------

[brief summary, including relationship to other contracts under the Project].

The start date shall be the date of issue of notice to proceed with the work. (1.1)

51 NCB.CW/W-1

The intended completion Date for the whole

of the work is PLACE HOLDER Work CompletionDate

The following documents also form part of the Contract: [2.3]

______________________________________________________

______________________________________________________

______________________________________________________

The Contractor shall submit a revised Program for the Works (in such form and

detail as the engineer shall reasonably prescribe) within 14 days of delivery

of the Letter of Acceptance. [27]

The Site Possession Date is: [21]

2

The Defects Liability Period is 365 days from the date of certification of completion of works (where sectional

completion certificate is issued this will apply from those dates for those sections). [35]

Insurance requirements are as under: [13]

Minimum Cover

for Insurance

Maximum deductible

for Insurance

(i) Works and Plant and

Materials

(ii) Loss or damage to

Equipment

(iii) Other Property

(iv) Personal injury or death

insurance:

a) for other people;

b) for Contractor‘s

Employees

In accordance with the statuary requirements

applicable to India

The following events shall also be Compensation Events: [44] [44]

1. ____________________________________________________

2. ____________________________________________________

3. ____________________________________________________

4. ____________________________________________________

The period between Program updates shall be ________ days. [27]

The amount to be withheld for late submission of an updated

Program shall be _________________________________________ [27]

The language of the Contract documents is English [3]

The law which applies to the Contract is the laws of Union of India [3]

The currency of the Contract is Indian Rupees. [46]

The proportion of payments retained (retention money) shall be 6% from

52 NCB.CW/W-1

each bill subject to a maximum of 5% of final contract price [48]

The liquidated damages for the whole of the works are

Rs. (amount) per day (49)

[To be fixed at not less than 0.01% per day of contract value]

The maximum amount of liquidated damages for the whole of the works [49]

is 10% of final contract price.

The Securities shall be for the following minimum amounts equivalent as a [52]

percentage of the Contract Price:

Performance Security for 5 per cent of contract price plus Rs. ..................... as additional

security in terms of ITB Clause 29.5.

The standard form(s) of Performance Security acceptable to the Employer shall be an [52]

unconditional Bank Guarantee of the type as presented in Section 8 of the Bidding Documents.

The amount to be withheld for failing to supply ―as built‖ drawings and/or operating and maintenance [58]

manuals* by the date required is Rs._______________________________________

The following events shall also be fundamental breach of the contract : [59.2]

1. The contractor has contravened Sub-clause 7 of GCC read with SCC and Clause 9 of GCC.

2. The contractor does not adhere to the agreed construction program (Clause 27 of GCC) and also fails to

take satisfactory remedial action as per agreements reached in the management meetings (Clause 31) for a

period of 60 days.

3. The contractor fails to carry out the instructions of Engineer within a reasonable time determined by the

Engineer in accordance with GCC Clause 16.1 and 23.1.

The percentage to apply to the value of the work not completed representing the Employer's [60]

additional cost for completing the Works shall be 20 percent.

53 NCB.CW/W-1

SECTION 5: SPECIFICATIONS

54 NCB.CW/W-1

SPECIFICATIONS

SPECIFICATIONS OF WORKMANSHIP AND MATERIALS

Information, details, dimensions, etc. given in ‘Bill of Quantity’ shall supersede information

given in these specifications.

SPECIFICATION 1.00 ‘EARTHWORK’

SCOPE

This section covers the works specification of earthwork in excavation in all kinds of soils

including morum, hard morum, soft rock (without blasting), earth and sand filling in plinth,

rubble soling, etc.

Applicable Codes

The following Bureau of Indian Standard Codes, unless otherwise specified herein, shall be

applicable. In all cases, the latest revision of the codes shall be referred to.

IS – 4081 Safety code for blasting and related drilling operations.

IS – 1200 Method of measurement of building works.

IS - 3764 Safety code for excavation work.

IS – 3385 Code of practice for measurement of Civil Engineering works.

IS – 2720 Part II Determination of moisture content.

Part VIII Determination of moisture content dry density relation using light

compaction.

Part XXVIII Determination of dry density of soils, in-place by the sand

replacement method.

Part XXIX Determination of dry density of soils, in-place, by the core cutter

method.

Drawings

Engineer will furnish all necessary drawings showing the areas to be excavated, filled, sequence

of priorities etc. Contractor shall follow strictly such drawings.

General

Contractor shall provide all tools, plants, instruments, qualified supervisory personnel, labour,

materials, and temporary works, consumables, any and everything necessary, whether or not

such items are specifically stated herein, for completion of the Work.

Contractor shall carry out the survey of the site before excavation and set properly lines and

55 NCB.CW/W-1

establish levels for various works such as earthwork in excavation for levelling, basement,

foundations, plinth filling, roads, drains, cable trenches, pipelines etc. Such survey shall be

carried out by taking accurate cross sections of the area perpendicular to established reference /

grid lines at 5 m intervals or nearer as determined by Engineer based on ground profile. These

shall be checked by Engineer and thereafter properly recorded.

The area to be excavated /filled shall be cleared of fences, trees, plants, logs, slumps, bush,

vegetation's, rubbish slush etc. and other objectionable matter. If any roots or stumps of trees are

found during excavation, they shall also be removed. The material so removed shall be burnt or

disposed off as directed by Engineer. Where earth-fill is intended, the area shall be stripped of all

loose/soft patches, top soil containing deleterious matter / materials before fill commences.

Relics, Objects of Antiquity, Etc.

All gold, silver, oil minerals archaeological and other findings of importance, all precious stones,

coins, treasures, relics, antiquities and other similar things which may be found in or upon the

site shall be the property of owner and Contractor shall dully preserve the same to the satisfaction

of Owner and from time to time deliver the same to such person' or persons as Owner may from

time to time authorize or appoint to receive the same.

1.01 Earth work in excavation up to 1.50 M from existing Ground Level

a) Classification

Any earthwork will be classified under any of the following categories:

i) All kind of Soils: These shall include all kinds containing kankar, sand, silt, murum and

/ or shingle, gravel, clay, loam peat, ash, shale etc. which can generally be excavated by

spade, pick-axe and shovel and which is not classified under soft and decomposed rock,

and hard rock defined below. This shall also include embedded rock boulders not bigger

than 1 meter in any dimension and not more than 200 mm in anyone of the other two

dimensions.

ii) Soft Rock: This shall include rock, boulders, slag, chalk, slate, hard mica schist, laterite

etc. which are to be excavated with or without blasting or could be excavated with

picks, hammer, crow bars, wedges. This shall also include excavation in macadam and

tarred roads and pavements. This shall also include rock boulders not bigger than 1

meter in any dimension and not more than 500 mm in anyone of the other two

dimensions Rubble masonry to be dismantled will also be measured under this item.

b) The materials which are not usable for masonry shall be disposed off within the site as

decided by Employer / Architect. No extra shall be payable on this account.

c) The earth work in excavation shall be done as per the Architect and structural consultant's

drawings up to required depths and levels and alignments in all sorts of soils. The depth of the

foundation will be as per the Engineer's instructions. The lining work should be done by the

Contractor. Roots or trees met with during the excavation shall be cut and smeared with coal tar.

Excavated earth shall be stacked at least 3 m away from the trenches or as per the Engineer's

instructions, so that it may not damage the sides of the excavated trenches. The sides of the

56 NCB.CW/W-1

excavated trenches shall be vertical and in straight line and bottom uniformly leveled watered,

consolidated and ready for termite treatment. The maximum lead for stacking the earth shall be

100 m, unless otherwise categorically specified in the item description.

d) In firm soil if the excavation is deeper than 2 m the sides of the trenches shall be made bigger

by allowing steps of 50 cm on either side so as to keep the slope 0.25 to 1.0 loose soft or slushy

soil the width of the step shall be suitably increased or the sides sloped or shoring and strutting

may be done as per the Engineer's instructions.

e) For excavation for drain work, the sides and the bottoms should be to the required slope,

shape and gradient. The cutting shall be done from top to bottom. Under no circumstances shall

undermining or under cutting be allowed. The final surface shall be neatly leveled and well

compacted. The earth from the cutting shall be directly used for filling either in plinth or on

grounds.

f) For excavation in trenches for pipes nothing extra shall be payable for the lift irrespective of

the depth unless specifically mentioned otherwise in the Schedule of Quantities.

g) If the trenches are made deeper than specified level due to oversight or negligence of the

Contractor the extra depth shall be filled up by lean concrete of mix 1:5: 10(1 cement; 5 coarse

sand and 10 coarse aggregate of nominal size 40mm) and if the trench is made wider than shown

in the drawings the Contractor has to make good at his own cost. The foundation trenches shall

be free from water and muck, while the foundation work is in progress.

h) The trenches which are ready for concreting shall be got approved by the Engineer.

i) The excavated stacked earth shall be refilled in the trenches and sides of foundation in 150

mm layers and the balance surplus shall be first filled in layers in plinth and the remaining

surplus shall be disposed off by uniform spreading within the site/ outside the site as directed by

the Engineer.

j) Adequate protective measures shall be taken by the Contractor to see that the excavation for

the building foundation does not affect the adjoining structure's stability and safety. Contractor

will be responsible if he has not taken precaution for the safety of the people, property or

neighbor's property caused by his negligence during the constructional operations.

k) To the extent available, selected surplus spoils from excavated materials shall be used as

backfill. Fill material shall be free from clods, salts, sulfates, organic & other foreign material.

All clods of earth shall be broken or removed. Where excavated material is mostly rock, the

boulders shall be broken into pieces not larger than 150 mm size, mixed with properly graded

fine material consisting of murum or earth to fill up the voids and the mixture used for filling.

l) As soon as the work in foundations has been accepted and measured, the spaces around the

foundations, structures, pits, trenches etc. shall be cleared of all debris and filled with earth in

layers 15 cm to 20 cm ,each layer being watered, rammed and properly consolidated before the

succeeding one is laid. Each layer shall be consolidated to the satisfaction of Engineer.

57 NCB.CW/W-1

m) Mode of measurement for Earth work in excavation including back filling:

1) Lead: Lead for deposition/ disposal of excavated material, shall be as specified in the

respective item of work. If the lead is not specified in the respective term, a basic lead of 100 m

shall be considered for quoting rates. Only leads beyond 150m shall be considered as extra lead

and the Contractor shall be compensated for the same. For the purpose of measurement of lead

the area to be excavated or filled or area on which excavated material is to be deposited /

disposed off shall be divided into suitable blocks and for each of the blocks, the distance

between center lines shall be taken as the lead which shall be measured, as far as practically

possible, by the shortest straight line route on the plan and not the actual route taken by

Contractor. No extra compensation is admissible on the grounds that the lead including that for

borrowed materials had to be transported over marshy or katcha land/ route.

2) All excavation shall be measured net. Dimensions for purpose of payment shall be reckoned

on the horizontal area of the excavation at the base for foundations of the walls, columns,

footings, tanks, rafts or other foundations structure to be built, multiplied by the mean depth

from the surface of the ground in accordance with the drawings. Excavation inside slopes shall

not be paid for. Contractor may make such allowances in his rates to provide for excavation in

side slopes keeping in mind the nature of the soil and safety of excavation. In soft / slushy soil or

in firm soil if the excavation is deeper than 2m the sides of the trenches shall be made bigger by

allowing steps of 50cm on either side so as to keep slope 0.25:1. This shall be paid as per

original tender rate. However, if concreting is proposed against the additional / extra excavation

made by the Contractor shall be made good by the Contractor with concrete of the same class as

in the foundations at his own cost.

3) Backfilling as per specification the side of foundations of columns, footings, structures,

basement plinth, walls, tanks rafts, trenches etc. with excavated materials will not be paid for

separately. It shall be clearly understood that the rate quoted for excavation including backfilling

shall include stacking of excavated material as directed, excavation / and shifting the selected

stacked material (earth), conveying it to the place of final backfill, consolidation compaction

using plate compactor etc. as specified. As a rule material to be back filled shall be stacked

temporarily within the basic lead of 100 meters unless otherwise specified in the item.

4) The rates quoted shall also include for dumping of excavated materials in regular heaps,

bunds, riprap with regular slopes as directed by Engineer within the lead specified and leveling

the same so as to provide natural drainage. Rock / soil excavated shall be stacked properly as

directed by Engineer. As a rule, all softer material shall be laid along the centre of the heaps, the

harder and more weather resisting materials forming the casing on the sides and the top.

Excavated soft rock or hard rock shall be stacked separately.

5) The bailing out of water shall also be executed by the Contractor at his own cost.

6) The cost of shoring and strutting as demanded by the site conditions and as instructed by the

Engineer, is deemed to be included in quoted rate.

58 NCB.CW/W-1

1.03 Supplying the chemicals and carrying out pre-construction Anti-termite treatment.

a) Supplying the chemicals and carrying out pre-construction Anti-termite treatment at the various

stages of construction as per I.S. and as recommended by the chemical manufacturer to safeguard

the building against termite including execution and submission of guarantee for a period of 10

years. This work is to be got executed through Pest Control (India) Ltd as per their specifications

or an approved equivalent specialized agency.

b) For anti termite treatment chemicals used - CHLOROPYRIPHOS 20 EC @ 1 % concentration

in aqueous emulsion. At DPC level (if DPC is done) or over masonry course, 5 liter per Sq.M.

emulsion to be applied. The junction of wall and plinth (after completion of each filling) to be

done @ 1 liter per R.mt. including rodding for better spreading.5 liter per sqm emulsion to be

applied over filling after compaction. Finally the earth around the external perimeter of building

up to depth of 30 cm shall be treated @ 5 liters per R.mt. including making holes and forcing

liquid. Critical areas such as openings around pipes, cable trench etc to be soaked with chemical

emulsion.

Note: Contractor shall submit detailed specification of the chemical and application procedure

along with their offer.

c) Mode of measurement:

Building area in plan shall be measured in Sq.m. Based on the treatment provided. (No co-

efficient shall be applied) No storey (floors) calculation shall be done but guarantee shall be valid

for all the stories of the building.

SPECIFICATION 2.0 ‘CONCRETE AND ALLIED WORKS’

Applicable Codes

The following codes and standards are made a part of the Specifications. All standards, codes of

practices referred to herein shall be the latest edition including all applicable official

amendments and revisions.

In case of discrepancy between this specification and those referred to herein, his specification

shall prevail.

A) MATERIAL

IS 269 Specification for ordinary, rapid hardening and low heat Portland cement.

IS 1489 Specification for Portland-Pozzuolana cement. IS 4031 Methods of physical tests for hydraulic cement.

IS 650 Specification for standard sand for testing of cement.

IS 383 Specification for standard sand for testing of cement.

IS 2386 Methods of test for aggregates for concrete. (Parts I to VIII)

59 NCB.CW/W-1

IS 516 Methods of test for strength of concrete.

IS 1199 Methods of sampling and analysis of concrete. IS 1199 Methods of sampling and analysis of concrete.

IS 516 Methods of test for strength of concrete.

IS 1199 Methods of sampling and analysis of concrete. IS 1199 Methods of sampling and analysis of concrete. IS 3025 Methods of sampling and Test (water used in industry)

IS 432 Specification for mild steel and medium tensile steel bars and hard drawn

steel wire for concrete reinforcement.

The above mode of measurement is applicable only if it is not given specifically in the tender

document.

General

The quality of materials, method and control of manufacture and transportation of all concrete

work irrespective of mix, whether reinforced or otherwise shall conform to the applicable

portions of this specification.

Engineer shall have the right to inspect the source/ s of material/ s, the layout and operation of

procurement and storage of materials, the concrete batching and mixing equipment, and the

quality control system. Such an inspection shall be arranged and engineer's approval obtained,

prior to starting of concrete work.

Materials

The ingredients to be used in the manufacture of standard concrete shall consist solely of standard

type Portland cement, clean sand, natural coarse aggregate, clean water and admixtures.

1) Cement

a) If the Contractor is instructed to supply cement, then the following points shall be applicable:

i) Unless otherwise specified the cement shall be ordinary Portland cement in 50 kg bags. The

use of bulk cement will be permitted only with the approval of Engineer.

ii) A certified report attesting to the conformance of the cement to IS specifications by the

cement manufacturer's chemist shall be furnished to engineer if demanded.

iii) Cement held in storage for a period of Ninety (90) days or longer shall be tested. Should at

any time Engineer have reasons to consider that any cement is defective, then irrespective of its

origin, and/ or manufacturers test certificate, such cement shall be tested immediately at

contractor's cost at a National Test Laboratory / approved laboratory and until the results of such

tests are found satisfactory, it shall not be used in any work. Contractor shall not be entitled to

any claim of any nature on this account.

iv) A cement stores shall be constructed and maintained as detailed under (b) (i) here under for

storing specified quantity of cement for the project.

60 NCB.CW/W-1

v) If the cement is supplied by the OWNER

Contractor will have to make his own arrangements for the storage of minimum 250MT of

cement. If supplies are arranged by OWNER, cement will be issued in quantities to cover work

requirements of one month or more, as deemed fit by Engineer and it will be the responsibility of

contractor to ensure adequate and proper storage. Cement in bulk may be stored in bins or silos,

which will provide complete protection from dampness contamination and minimize taking and

false set. Cement bags shall be stored in a dry enclosed shed (storage under tarpaulins will not be

permitted), well away from the outer walls and insulated from the floor to avoid contract with

moisture from ground and so arranged as to provide ready access damaged or reclaimed or partly

set cement w n: not be permitted to be used and shall be removed from the site. The storage bins

and storage arrangements shall be such that there is no dead storage. Not more than 12 bags shall

be stacked in any tier. The storage arrangement shall be approved by Engineer. Consignments of

cement shall be stored as received and shall be consumed in the order of their delivery.

2) Aggregates

a) Aggregate in general designates both fine and coarse inert materials used in the manufacture of

concrete. Fine aggregate is aggregate all of which passes through 4.75 mm IS sieve. Coarse

aggregate is aggregate most of which is retained on 4.75 mm sieve

b) All fine and coarse aggregates proposed for use in the work shall be subject to Engineer's

approval and after specific materials have been accepted, the source of supply of such materials

should not be changed without prior approval of Engineer.

c) Aggregates shall, except as noted above, consist of natural sands, crushed stone and gravel

from a source known to produce satisfactory aggregate for concrete and shall be chemically inert,

strong, hard, durable against weathering, of limited porosity and free from deleterious materials

that may cause corrosion of the reinforcement or may impair the strength and/or durability of

concrete. The grading of aggregates shall be such as to produce dense concrete of specified

strength and consistency that will work readily into position without segregation and shall be

based on the mix design and preliminary tests on concrete specified later.

d) Sampling and testing

Samples of the aggregates for mix design and determination of suitability shall be taken under

the supervision of Engineer and delivered to the laboratory, well in advance of the scheduled I.

placing of concrete. Records of tests, which have been made on proposed aggregates and on

concrete made from this source of aggregates, shall be furnished to Engineer in advance of the

work for use in determining aggregate suitability. The costs of all such tests, sampling etc. shall

be borne by contractor.

e) Storage of Aggregates

All coarse and fine aggregates shall be stacked in stock separately in stock piles in the material

yard near the work site in bins properly constructed to avoid inter mixing of different aggregates.

Contamination with foreign materials and with earth during storage and while heaping the

61 NCB.CW/W-1

materials shall be avoided. The aggregate must be of specified quality not only at the time of

receiving at site but more so at the time of loading into mixer. Rackers shall be used for lifting

the coarse aggregates from bins or stockpiles. Coarse aggregate shall be piled in layers not

exceeding 1.20 meters in height to prevent coning or segregation. Each layer shall cover the

entire area of the stockpile before succeeding layers are started. Aggregates that have become

segregated shall be rejected.

f) Specific Gravity

Aggregate except as noted above and. for other than lightweight concrete shall consist of

natural or crushed sand shall conform to IS 383. The sand shall be clean sharp, hard, strong

and durable and shall be free from dust, vegetable substances, adherent coating, clay, alkali,

organic matter, mica, salt or o.ther deleterious substances, which can be injurious to the

setting qualities/ strength/ durability of concrete.

3) Machine Made Sand

If Locally available river sand is not available then, Machine made sand will be acceptable,

provided the constituent rock / gravel composition shall be sound, hard dense, non-organic

uncoated and durable against weathering.

a) Screening and Washing (both natural or machine made)

Sand shall be prepared for use for such screening or washing, or both, as necessary, to remove all

objectionable foreign matter while separating the sand grains to the required size fractions.

b) The percentages of deleterious substances in sand delivered to the mixer shall not exceed the

following:

1 Material finer than 75 Micron IS sieve 3.00 15.00

2 Shale 1.00 --

3 Coal and Lignite 1.00 1.00

4 Clay Lumps 1.00 1.00

5 Total of all above substances

including items (1) to (iv) for

uncrushed sand and items iii)

and (iv) for crushed sand

5.00 2.00

c) Gradation

Unless otherwise directed or approved, the grading of sand shall be within the limits indicated

hereunder:

Percentage passing for

IS Sieve Grading Grading Grading Grading

Designation Zone I Zone II Zone III Zone IV

10mm 100 100 100 100

4.75 mm 90-100 90-100 90-100 95-100

2.36 mm 60-95 75-100 85-100 95-100

1.18 mm 30-70 55-90 75-100 90-100

62 NCB.CW/W-1

600 micron 15-34 35-59 60-79 80-100

300 micron 5-20 8-30 12-40 15-50

150 micron 0-10 0-10 0-10 0-15

Where the grading falls outside the limits of any particular grading zone of sieves other than 600

micron IS sieve, by total amount not exceeding 5%, it shall be regarded falling within that

grading zone. This tolerance shall not be applied to percentage passing the 600 micron IS sieve

or to percentage passing any other sieve on the coarser limit of grading zone I or the finer limit of

grading zone IV.

d) Fineness Modulus

The sand shall have a fineness modulus of not less than 2.2 or more than 3.2. The fineness

modulus is determined by adding the cumulative percentages retained on the following IS sieves

sizes 4.75mm, 2.36 mm, 1.18 mm 600 micron, 300 micron and 150 micron and dividing the sum

by 100.

4) Coarse Aggregate

a) Coarse aggregate for concrete, except as noted above and for other than lightweight concrete

shall conform to IS 383. This shall consist of natural or crushed stone and gravel and shall be

clean and free from elongated, flaky or laminated pieces adhering 4 coatings, clay lumps, coal

residue, clinkers slag, alkali, mica, organic matter or other deleterious matter.

b) Screening and Washing

Natural gravel and crushed rock shall be screened and/or washed for the removal of dirt or dust

coating, if so demanded by Engineer.

c) Grading

Coarse aggregate shall be graded in both cases the grading shall be within the following limits.

IS Sieve

Designation

% passing for single sized

aggregate of nominal size mm

% passing for graded aggregate

of nominal Size mm

40 20 16 12. 10 40 20 16 12.

5 5

63mm 100 - - - - 100 - - -

40mm 85 100 - - - 95 100 - -

100 100

20mm 0- 85- 100 - - 30- 95- 100 -

20 100 70 100

16mm - - 85- 100 - - - 90 -

100 100

12.5mm - - - 85- 100 - - - 90-

100 100

10mm 0.5 0- 0- 0- 85- 10- 25- 30- 40-

20 30 45 100 35 55 70 85

4.75mm - 0-5 0-5 0- 0- 0-5 0-10 0- 0-

63 NCB.CW/W-1

10 20 10 10

2.36m - - - - 0-5 - - - -

The pieces small be angular in shape and shall have granular or crystalline surfaces, Friable,

flaky and laminated pieces, mica and shale, if present, shall be only in such quantities that will

not, is the opinion of Engineer affect adversely the strength and/ or durability of concrete. The

maximum size of coarse aggregate shall be '1b mm for class concrete 40-mm for class B concrete

and 20mm for class C concrete. The maximum size of coarse aggregate shall be the maximum

size specified above, but in no case greater than 1/4 of the minimum thickness of the member,

provided that the concrete can be placed without difficulty so as to surround all reinforcement

thoroughly and fill the corners of the form. Plums above 150 mm and up to any reasonable size

can be used in plain very concrete work of large dimensions up to a maximum limit of 200/0 of

volume of concrete when specifically approved by Engineer. For heavily reinforced concrete

members the nominal maximum size of the aggregate shall be 5 mm less than the minimum clear

distance between the reinforcing main bars or 5mm less than the minimum cover to the

reinforcement whichever is smaller. The amount of fine particles occurring in the free state or as

loose adherent shall not exceed 1 % when determined by laboratory sedimentation tests as per IS

2386. After 24 hours immersion in water, a previously dried sample shall not have gained more

than 10% of its oven dry weight in air, as determined by IS 2386.

d) Foreign Materials Limitations

The percentages of deleterious substance in the coarse aggregate delivered to the mixer shall not

exceed the following:

Percentage by Weight

Uncrushed Crushed

i) Material finer than 75 micron IS sieve 3.00 3.00

ii) Coal and Lignite 1.00 1.00

iii) Clay lumps 1.00 1.00

iv) Soft fragments 3.00 --

v) Total of all the above substances 5.00 5.00

5) Water

a) Water used for both mixing and curing shall be free from injurious amounts of deleterious

materials. Potable waters are generally satisfactory for mixing and curing concrete.

b) In case of doubt, the suitability of water for making concrete shall be ascertained by the

compressive strength and initial setting time test specified in IS-456 -2000. The sample of water

taken for" testing shall be typical of the water proposed to be used for concreting, due account

being paid to seasonal variation. The sample shall not receive any treatment before testing other

than that envisaged in the regular supply of water proposed for use in concrete. The sample shall

be stored in a clean container previously rinsed out with similar water.

64 NCB.CW/W-1

c) Average 28 days compressive strength of at least three 15 cm concrete cubes prepared with

water proposed to be used shall not be less than 90% of the average strength of three similar

concrete cubes prepared with distilled water.

d) The initial setting time or test block made with the appropriate set cement and the water

proposed to be used shall not be less than 30 minutes and shall not differ by more than plus

minus 30 seconds form the initial setting time of control test block prepared with the appropriate

test cement and distilled water. The test blocks shall be prepared and tested in accordance with

the requirements of IS 4031.

e) Where water can be shown to contain an excess of acid, alkali sugar or salt, engineer may

refuse to permit its use. As a guide, the following concentrations represent the maximum

permissible values:

i) To neutralize 100 ml sample of water, using phenolphthalein as indicator, it should not require

more than 5 ml of 0.2 normal NaOH. The details of test shall be as given in IS 3025 (part 22).

ii) To neutralize 100 ml sample of water using Mix Indicator as an indicator, it should not require

more than 25 ml of 0.02 normal H2So4. The details of test shall be given in IS 3025 (part 23).

iii) Percentage of solids when tested in accordance with the method indicated below shall not

exceed the following:

Percent Test as per

Organic 200 mg/L IS 3025-1964 ( part 18 )

Inorganic 3000mg/ L -Do-

Sulphate

(as S04 Alkali) 400 mg/ L IS 3025-1964 ( part 24 )

Chlorides (as CI) 2000 mg/L IS 3025-1964 ( part 32 )

Suspended matter 2000 mg/L IS 3025-1964 ( part 17 )

6) Brick Aggregates

The brickbats shall be of new bricks well burnt, hard, durable and broken to sizes, well graded. It

shall be free from dust; the size shall be of 37mm and down. It shall be free from earth and other

impurities.

7) Reinforcement Steel

a) Reinforcement bars, if supplies are arranged by contractor, shall be either plain round mild

steel bars grade I as per IS 432 (part I) or medium tensile steel bar as per IS 432 (Part I) or hot

rolled mild steel and medium tensile steel deformed bars as per IS 1139 or cold twisted steel bars

as per IS 1786, as shown and specified on the drawings. Wire mesh or fabric shall be in

accordance with IS 1566. Substitution of reinforcement will not be permitted except upon written

approval from Engineer.

b) Plain round mild steel bars grade II as per IS:432 (part I) may be used with prior approval of

Engineer in writing and with 10% ; increase in the reinforcement area but its use shall not be

permitted in structures located in earthquake zones subjected to severe damage (as per IS: 1895)

65 NCB.CW/W-1

and for structures subject to dynamic loading (other than wind loading), such as frames

supporting rotary or reciprocating machinery etc.

c) All reinforcement shall be clean, free from grease, oil, paint, loose: mill scale, loose rust, dust,

bituminous material or any other .j substances that will destroy or reduce the bond. All rods shall

be thoroughly cleaned before being fabricated. Pitted and defective rods shall not be used.

2.02 Providing and laying Plain Cement concrete in 1:4:8

a) (As per item for 1:4:8 Brickbat cement concrete.) Providing and laying plain cement concrete

1:4:8 (1 cement: 4 coarse sand: 8 graded stone aggregate of nominal size 37 mm and down)

b) Mode of Measurement

This shall be measured in cum and part thereof. The bed concrete provided for flooring / below

foundation or as specified shall be paid for under this item. The rate shall include cost the

shuttering to be provided.

2.03 Providing and Laying RCC of 1:1.5:3 for Foundation & Super Structure

a) All concrete works shall be carried out as per ‗Volumetric Proportion‘ only. The proportion

shall be 1 part cement, 1.5 part sand, 3 part aggregate of 20mm and down grade.

b) MINIMUM COMPRESSIVE STRENGTH OF 15 CM CUBES AT 7 AND 28 DAYS

AFTER MIXING, CONDUCTED IN ACCORDANCE WITH IS :516.

c) It shall be very clearly understood that whenever the class of concrete such as M 20 is

specified it shall be the Contractor's responsibility to ensure that minimum crushing strength

stipulated' for the respective class of concrete is obtained at works. The ~ maximum total

quantity of aggregate per 50 Kg 9f cement shall not exceed 450 Kg except when otherwise

specifically approved by Engineer.

d) To fix the grading of aggregates, water cement ratio, workability and the quantity of cement

Class

Preliminary test

(N/sq.m)

Work Test N/sq.m. Max. size

of

aggregate

mm

Minimum

Cement

Content

per Cu.M.

At 7 days At 28 days At 7 days

At 28

days

M40 35.0 54.0 27.0 46.0 20 550 Kg

M35 31.0 45.0 23.5 39.0 20 470 Kg

M30 28.0 42.0 20.0 33.0 40 or 20 420 Kg

M25 23.5 35.0 17.0 28.0 40 or 20 370 Kg

M20 19.4 29.0 13.5 22.0 40 or 20 320 Kg

M 15 14.0 17.0 10.0 16.0 40 or 20 300 Kg

66 NCB.CW/W-1

required giving preliminary and works cubes of the minimum strength specified, the proportions

of the mix shall be determined by weight/volume. Adjustment of aggregate proportions due to

moisture present in the aggregate shall be made. Mix proportioning shall be carried out

according to Indian Standard Specifications.

e) Whenever there is a change either in required strength of concrete or water cement ratio or

workability or the source of Aggregates: and/ or cement, preliminary tests shall be repeated to

determine I, the revised proportions, of the mix to suit the altered conditions.

f) While fixing the value for water cement ratio for preliminary mixes, assistance may be

derived from the graph (appendix IS 456 showing the relationship between the 28' day

compressive strengths of concrete mixes with different water cement ratios and the 7 days

compressive .strength of cement tested in accordance with IS 269.

g) Contractor shall not allow using Ready Mix Concrete (RMC).

Preliminary Tests

a) Test specimens shall be prepared with at least two different water / cement ratios for each class

of concrete, consistent with workability required for the nature of the work. The materials and

proportions used in making preliminary tests shall be similar in all respects to those to be actually

employed in the works as the object of these tests is to determine the proportions of cement,

aggregates and water necessary to produce concrete of required consistency and to give the

specified strength. It will be the Contractor's sole responsibility to carry out these tests and he

shall therefore furnish to Engineer a statement of proportions proposed to be used for the various

concrete mixes.

b) Materials shall be brought to the room temperature and all materials shall be in a dry

condition. The quantities of water, cement and aggregates for each mix shall be determined by

weight/volume to an accuracy of 1part in 1000 parts.

c) Mixing shall be done by a mixer machine as per IS 516 in such a manner as to avoid loss of

water. The cement and fine aggregate shall first be mixed dry until the mixture is uniform in

colour. The coarse aggregate shall then be added, mixed and, water added and mixed thoroughly

for a period of not less than 3 minutes until the resulting concrete is uniform in appearance. Each

mix of concrete shall be of such a quantity as to leave about 10% excess concrete after moulding

the desired number of test specimens.

d) The consistency of each mix of concrete shall be measured immediately after mixing, by the

slump test in accordance with IS 1199. If in the slump test, care is taken to ensure that no water

or other materials is lost, the materials used for the slump test may be remixed with the reminder

of the concrete for making the specimen test cubes. The period of re-mixing shall be as short as

possible yet sufficient to produce a homogeneous mass.

e) Compression tests of concrete cubes shall be made as per IS 516 on 15 cm cubes. Each mould

shall be provided with a metal base having a plane surface to support the mould during filling

without leakage. The base plate shall be preferably attached to the mould by springs or screws.

67 NCB.CW/W-1

The parts of the mould when assembled shall be positively and rigidly held together. Before

placing, concrete the mould and base plate shall be cleaned and oiled. The dimensions and

internal faces of the mould shall be accurate within the following limits:

Height and distance between the opposite faces of the mould shall be of specified size plus minus

0.2mm. The angle between the adjacent internal faces and between internal faces and top and

bottom planes of mould shall be 90 Deg. plus/minus 5 Deg. The interior faces of the mould shall

be plane surfaces with a permissible variation 0.03mm.

f) Concrete test cubes shall be moulded by placing fresh concrete in the mould and compacted as

specified in IS 516.

g) Curing shall be as specified in IS 516. The cubes shall be kept in moist air of at least 90%

relative humidity at a temperature of 27 Deg. Cent. Plus-minus two Deg. Centigrade for 24 hours

plus minus, half hour from the time of adding water to the dry ingredients. Thereafter they shall

be removed from the moulds, kept immersed in clean fresh water, and kept at 27 Deg. Centigrade

plus minus 2 Deg. Centigrade temperature until required for test. Curing water shall be renewed

every seven days. A record of maximum arid minimum temperatures at the place of storage of

the cubes shall be maintained during the period they remain in storage.

h) Testing of specimens

The strength shall be determined based on not less than five cubes test specimens for each age

and each water cement ratio. All these laboratory test results shall be tabulated and furnished to

Engineer. The test result shall be accepted by Engineer if the average compressive strengths of

the specimens are tested subject to the condition that only one out of the five consecutive test

may give a value less than the specified strength for that age. The Engineer may direct the

Contractor to repeat the tests if the results are not satisfactory and to n1ake such changes, as he

considers necessary to meet the requirements specified. All these preliminary tests shall be

conducted by the Contractor at his own cost in an approved laboratory.

Proportioning consistency, batching and mixing of concrete Proportioning

a) Aggregate:

The proportions, which shall be decided by conducting preliminary test, shall be by volume.

These proportions of cement, fine and coarse aggregates shall be maintained during subsequent

concrete mixing. The supply of properly graded aggregate of uniform quality shall be

maintained over the period of work, the grading of aggregates shall be controlled by obtaining

the coarse aggregate in different sizes and blending them in the right proportions. The different

sizes shall be stocked in separate stockpiles. The grading of coarse and fine aggregate shall be

checked as frequently as possible as determined by Engineer, to ensure maintaining of grading

in accordance with the samples used in preliminary mix design. The material shall be stock

piled well in advance of use.

b) Cement:

The cement shall be measured by volume.

c) Water

68 NCB.CW/W-1

Only such quantity of water shall be added to the cement and aggregates in the concrete mix as

to ensure dense concrete, specified surface finish, satisfactory workability, consistent with the

strength stipulated for each class of concrete. The water added to the mix shall be such as not to

cause segregation of material or the collection of excessive free water on the surface of the

concrete.

The water cement (w/c) ratio is defined as the volume of water in the mix (including the surface

moisture of the aggregates) divided by the volume of cement in the mix. The actual water

cement ratio to be adopted shall be determined in each instance by the Contractor and approved

by the Engineer.

d) Proportioning by Water /Cement Ratio (w/c)

The w/c ratio specified for use by Engineer shall be maintained. The Contractor shall determine

the water content of the aggregates as frequently as directed by Engineer as the work progress

and as specified in IS 2386. (Part-III) and the amount of water added at the mixer shall be

adjusted as directed by Engineer so as to maintain the specified w/c ratio. To allow for the

variation in volume of aggregates due to variation in their moisture content suitable adjustments

in the volume of aggregates shall also be made.

e) Consistency and slump

Concrete shall be of a consistency and workability suitable for the conditions of the job. After the

amount of water required is determined, the consistency of the mix shall be maintained

throughout the progress of the corresponding parts of the work ~ and approved tests e.g. slump

tests, compacting factor tests, in accordance with IS 1199 shall be conducted from time to time to

ensure the maintenance of such consistency.

The following tabulation gives a range of slumps, which shall generally be used for various types

of construction unless otherwise instructed by the Engineer.

SLUMPS FOR VARIOUS TYPES OF CONSTRUCTION

Only sufficient quantity of water shall be added to concrete during mixing to produce a mix of

sufficient workability to enable it to be well consolidated to be worked in to the corners of the

shuttering :1 and around the reinforcement, to give the specified surface finish, 1 and to have the

specified surface strength. The following slumps shall be adopted for different kinds of works:

Name of Work

When vibrator used When vibrator not

used

Mass concrete In foundations, footings

retaining walls and pavements.

10mm to 25mm 50 mm to 75mm

Thin sections of floors of less than 75mm thick 25mm to 40mm 75 mm to 100 mm

For reinforced cement concrete work:

Mass concreting in foundations, footings, retaining

wall and pavements

10mm to 25 mm 80 mm

Beams, slabs, columns

25mm to 40 mm 100mm to 125

mm

69 NCB.CW/W-1

Thin shells, folded plates

40mm to 50mm 124mm to 150

mm

The concrete mix shall be in the proportion as arrived at as per the mix design and all the

ingredients to be measured by weight (i.e. by weigh batching) .All concrete work shall be carried

by weigh batching only. In case if it is approved by the Engineer, the equivalent volume of coarse

and fine aggregates based on the bulk density can be adopted. Contractor shall make available

weigh scale of appropriate capacity at site for intermittent checking the weight of ingredients so

measured by volume during the concreting operation.

Sampling and testing concrete in the field

a) Facilities required for sampling materials and concrete in the field shall be provided by the

Contractor at no extra cost. The following equipment with operator shall be made available at

Engineer's request (all must be in serviceable condition):

i) One concrete cube testing machine suitable for 15 cm machine suitable for 15 cm cubes, of

100 MT capacity with proving calibration ring. The machine should be calibrated and

certification of calibration shall be produced, by the contractor.

ii) Fifteen cast iron cube moulds of 15 cm size.

iii) One set of sieves for coarse and fine aggregates.

iv) Laboratory balance to weigh up to 5 kg with sensitivity of 10gm.

v) One set of slump cone complete with tamping rod.

vi) A set of measures from 5 litre to 0.1 litre.

vii) One electric oven with thermostat up to 120 Deg. Cent.

viii) One flakiness gauge

ix) One elongation index gauge

x) One sedimentation pipette

xi) One Pyconometer

xii) Two calibrated glass jar of 1 litre capacity

The above list of the facility is an indicative and is not limiting. The contractor shall arrange

necessary laboratory equipment / glassware etc as may be required as per relevant IS

specification / code of practice or as advised by the Structural Consultants.

Arrangement can be made by the contractor to have the cubes 1 tested in an approved laboratory

in lieu of a testing machine at site' at his expense, with the prior consent of the Engineer.

b) At least six test cubes of each class of concrete shall be made for every 15.0 cum. of concrete

or part thereof. Such samples shall be drawn on each day for each type of concrete. Of each set of

6 cubes, three shall be tested at 7 days age and three at 28 days age. The laboratory test results

shall be tabulated and furnished to Engineer. Engineer will pass the concrete if average strength

of the specimens tested is not less than the strength specified, subject to the condition that only

one out of three consecutive tests may give a value less than the specified strength but this shall

not be less than 90% of the specified strength. The cubes shall be tested on 7th and 28th day from

the day of casting of the cubes.

70 NCB.CW/W-1

The requirement of number of samples shall be determined by the Engineer and as such 1 sample

for quantity of concrete up to 5 Cum 2 samples for quantity from 6 to 14 Cum to be taken.

An additional set of test cube if asked by the Engineer shall be cast and taken by the contractor

which may be kept for record verification at later date.

Admixtures

a) Admixtures may be used in concrete only with the approval of Engineer based upon evidence

that, with the passage of time, neither the compressive strength nor its durability reduced.

Calcium chloride shall not be used for accelerating setting of the cement for any concrete

containing reinforcement, or embedded steel parts. When calcium chloride is permitted to be

used, such as in mass concrete works, it shall be dissolved in water and added to the mixing

water in an amount not to exceed 1.5% of the volume of the cement in concrete. When

admixtures are used, the designed concrete mix shall be corrected accordingly. Admixtures shall

be used as per manufacturer's instructions, in the manner, and with the control specified by

Engineer.

b) Air entertaining agents

Where specified and approved by Engineer, neutralized vinyl resin or any other approved air-

entraining agent may be used to produce the specified amount of air in the concrete mix and these

agents shall conform to the requirements of ASTM standard 6260, air entraining admixtures for

concrete. The recommended total air content of the concrete is 4% plus minus 1%. The method

of measuring air content shall be as per IS:1199.

c) Water reducing admixtures

Where specified and approved by Engineer water reducing Lignosulfonate mixture shall be added

in quantities specified by Engineer. The admixtures shall be added in the form of a solution.

d) Retarding admixtures

Where specified and approved by Engineer, retarding agents shall be added to the concrete mix

in quantities specified by Engineer.

e) Water-proofing agents

Where specified and approved by Engineer, water proofing agent conforming to IS: 2645 shall

be added in quantities specified by Engineer.

Optional Tests

Engineer may order tests to be carried out on cement, sand, coarse aggregate and water in

accordance' with the relevant Indian Standards. Tests on cement shall include (i) fineness test

(ii) test for normal consistency (iii) test for setting time (iv) test for soundness (v) test for tensile

strength (vi) test for compressive strength (vii) test for 4eat of hydration by experiment and by

calculations in accordance with IS: 269. Tests on sand shall include (i) sieve test (ii) test for

organic impurities (iii) decapitation test for determining clay and silt content (iv) specific gravity

71 NCB.CW/W-1

test (v) test for unit weight and bulkage factor. Tests on coarse aggregate shall include (i) test for

sieve analysis (ii) specific gravity and unit weight of dry loose and rodded aggregate (iii)

soundness and alkali aggregate reactivity (iv) pertrographic examination (v) deleterious

materials and organic impurities (vi) test for aggregate crushing value. Any or all these tests

would normally be ordered to be carried out only if Engineer feels the materials are not in

accordance with the specifications OF if the specified concrete strengths are not obtained, and

shall be performed by contractor at site or at an approved test laboratory. If the tests are

successful, OWNER shall pay for all such optional tests on production of testing fees bills

otherwise the Contractor shall have to pay for them.

b) If the works cubes do not give the stipulated strengths Engineer reserves the right to ask

contractor to dismantle such portions of the work, which in his opinion are unacceptable and re-

do the work to the standard stipulated at contractor's cost.

In such case when the concrete fail to pass the routine tests the Engineer can order the contractor

to undertake non distractive tests like Rebound Hammer test. The field test to be carried out in

accordance with procedure described in IS 13311 (Part II). When making rebound hammer test

each result should be the average of at least 12 readings. The readings shall be taken and as per

the procedure in the relevant IS 13311 (Part II) and calibration charts available from manufacturer

to be used for interpretation. This non-distractive test shall be carried out through an approved

agency at contractors cost.

c) Load test on members or any other tests

i) In case - of any work being suspected of faulty material or workmanship or both, Engineer

requiring its removal and reconstruction may order the contractor that it should be load tested in

accordance with the following provisions.

ii) The test load shall be 125 % of the maximum superimposed load for which the structure was

designed. Such test load shall not be applied before 56 days after the effective hardening of the

concrete. During the test, struts strong enough to take the load shall be placed in position leaving

a gap under the members. The test load shall be maintained for 24 hours before removal.

iii) If within 24 hours of the removal of the load, the structure dose not show a recovery of at least

75 percent of the maximum deflection shown during the 24 hours under load the test loading

shall be repeated after a lapse of at least 72 hours. The structure shall be considered to have failed

to pass the test if the recovery after the second test is not at least 75 percent of the maximum

deflection shown during the second test. If the structure is certified as failed by Engineer, the cost

of the load test shall be borne by the contractor.

iv) If the maximum deflection in mm, shown during 24 hours under load is less than 40 (LxL)/D,

where L is the effective span in M ; and D, the overall depth of the section in mm, it is not

necessary for recovery to be measure and recovery provisions of (iii) shall not apply. This will be

governed by relevant IS.

v) Any other tests e.g. taking out in approved manner concrete cores examination and tests on

72 NCB.CW/W-1

such cores removed from such parts of the structure as directed by Engineer, Non destructive

testing etc. shall be carried out by contractor if so directed.

vi) Should the results of any test prove unsatisfactory, or the structure shows signs of weakness,

undue deflection or faulty construction the contractor shall remove and rebuild the member or

members involved or carry out such other remedial measures as may be required by Owner. the

Contractor shall bear the cost of so doing, unless the failure of the member or members to fulfil

the test conditions is proved to be solely due to faulty design.

Concrete in alkali soils and alkaline water

Where concrete is liable to attack from alkali salts or alkaline water, special cements containing

low amount of tricalcium aluminate shall be used, if so specified in the drawings. Such concrete

shall have a minimum 28 days compressive strength of 250 kg per sq.cm and shall contain not

less than 370 kg of cement per cubic meter. of concrete in place. If specified, additional

protection shall be obtained by the use of a chemically resistant, stone facing or a layer of plaster

of Paris covered with suitable fabric, such as jute thoroughly impregnated with tar.

Preparation prior to concrete placement

a) Before the concrete is actually placed in position, the insides of the formwork shall be

inspected to see that they have been cleaned and oiled. Temporary openings shall be provided to

facilitate inspection, especially at bottom of columns and walls forms to permit removal of saw

dust, wood shavings, binding wire, rubbish dirt etc. Openings shall be placed or holes drilled so

that these materials and water can be removed easily. Such openings/holes shall be later suitably

plugged.

b) The various agencies shall be permitted ample time to install drainage and plumbing lines in

floor and trench drains, electrical conduits, hangers, anchors, inserts, sleeves, bolts, frames and

other miscellaneous embedment to be cast in the concrete as indicated on the drawings or as is

necessary far the proper execution of the work Contractor shall cooperate fully with all such

agencies and shall permit the use of scaffolding form work etc. by other agencies at no extra

cost.

c) All embedded parts, inserts etc. supplied by Owner or Contractor shall be correctly positioned

and securely held in the forms to prevent displacement during depositing and vibrating of

concrete.

d) Anchor bolts shall be positioned and kept in place with the help of proper manufactured

templates. The use of all such templates fixture etc. shall be deemed included in the rates.

e) Slots, openings, holes, pockets etc. shall be provided in the concrete work in the positions indicated in the drawings or as .j directed by Engineer.

f) Prior to concrete placement all work shall be inspected and ~ approved by Engineer and if found

unsatisfactory, concrete shall not be poured until after all defects have been corrected at

Contractor's cost. Cat ladders shall be provided on the reinforcement to facilitate labourur

movement.

73 NCB.CW/W-1

g) Approval by Engineer for all materials and work as required herein shall not relieve contractor

from his obligation to produce finished concrete in accordance with the drawings and

specifications.

h) No concrete shall be placed in wet weather or on water covered surface. Any concrete that has

been washed by heavy rains, the work shall be entirely removed, if there is any sign of cement and

sand having been washed from the concrete mixture. To guard against damage, which may be

caused by rains, the works shall be covered with tarpaulins immediately after the concrete has been

placed and compacted. Any water accumulating on the surface of the newly placed concrete shall

be removed by approved means and no further concrete shall be placed thereon until such water is

removed. To avoid flow of water over / around freshly placed concrete, suitable drains and sumps

shall be provided.

i) Immediately before concrete placement begins, proposed surfaces except framework, which will

come in contract with the concrete to be placed, shall be covered with a bonding mortar.

Transportation

a) All buckets, containers or conveyors used for transporting concrete shall be mortar tight.

Irrespective of the method of transportation adopted, concrete shall be delivered with the

required consistency and plasticity without segregation or loss of slump. However, chutes shall

not be used for transport of concrete without the written permission of Engineer and concrete

shall not be re handled before placing.

b) Concrete must be placed in its final position before it becomes too stiff to work. On no

account, water shall be added after the initial mixing concrete that has become stiff or has been

contaminated with foreign materials shall be rejected and disposed off as directed by Engineer.

c) All equipment used for mixing, transporting and placing of concrete shall be maintained in

clean condition. All pans, bucket. Hoppers, chutes, pipelines and other equipment shall be

thoroughly cleaned after each period of placement.

d) Except when otherwise approved by Engineer, concrete shall be placed in shovels or other

approved implements and shall not be dropped from a height more than 1M or handled in a

manner which will cause segregation.

e) The following specification shall apply when placing of concrete by use of mechanical

equipment is specifically called for while inviting bids or is warranted considering the nature of

work involved. The control of placing shall begin at the mixer discharge, concrete shall be

discharged by a vertical drop into the middle of the bucket or hopper and this principle of a

vertical discharge of concrete shall be adhered to thoroughly all stages of delivery until the

concrete comes to rest in its final position.

f) Central bottom dump buckets of a type that provides for positive, regulation of the amount and

rate .of deposition of concrete in all dumping position shall be employed.

74 NCB.CW/W-1

g) In placing concrete in large open areas, the bucket shall be spotted directly over the position

designated and than lowered for dumping. The open bucket shall clear the concrete already in

place and the height of drop shall not exceed 1 M. The bucket shall be opened slowly to avoid

high vertical bounce. Dumping of I buckets on the swing or in any manner, which results in

separation of ingredients or disturbance of previously placed concrete, will not be permitted.

h) Concrete placed in restricted forms by wheel barrows, buggies, cars, short chutes or hand

shoveling shall be subject to the requirement for vertical delivery of limited height to avoid

segregation and shall be deposited as nearly as practicable in its final position.

i) Where it is necessary to use transfer chutes, specific approval of Engineer must be obtained to

the type, length, slopes, baffles, vertical terminals and timing of operations, the discharge and

without segregation. To allow for the loss of mortar against the sides of the chutes, the first mix

shall have less coarse aggregate. During cleaning of chutes, the wastewater shall be kept clear of

the forms. Concrete shall not be permitted to fall from the end of the chutes by more than 1 M.

Chutes when approved for use shall have slopes not flatter than 1: 3 and steeper than 1: 2 chutes

shall be of metal or metal lined and of rounded cross section. The slopes of all chutes sections

shall be approximately the same. The discharge end of the chutes shall be maintained above the

surface of the concrete in the forms.

j) Concrete may be conveyed and placed by mechanically operated equipment e.g. pumps or

pneumatic placers only with the written permission of Engineer. The slump shall be held to the

minimum, necessary for conveying concrete by this method.

k) When pumping is adopted, before pumping of concrete is started, the pipeline shall be

lubricated with one or two batches of mortar composed of one part cement and two parts sand.

The concrete mix shall be specially designed to suit pumping. Care shall be taken to avoid

stoppages in work once pumping has started.

l) When pneumatic placer is used, the manufacturer's advice on layout of pipeline shall be

followed to avoid blockages and excessive wear. Restraint shall be provided at the discharge box

to cater for the reaction at this end. Manufacturer's advice shall be followed regarding concrete

quality and all other related matters when pumping or pneumatic placing equipment is used.

m) Concreting, once started, shall be continuous until the pour is completed. Concrete shall be

placed in successive horizontal layers of uniform thickness ranging from 15 to 90 mm as

directed by Engineer. These shall be placed as rapidly practicable to prevent the formation of

cold joints or planes of weakness between each succeeding layer within the pour. The thickness

of each layer shall be such that it can be deposited before the previous layer has stiffened. The

bucket loads or other units of deposit shall be spotted progressively along the face of the layer

with such overlap as well facilitate spreading the layer to uniform depth and texture with a

minimum of shoveling. Any tendency to segregation shall be corrected by shoveling stones into

mortar rather than mortar on to stones. Such a condition shall be corrected by redesign of mix or

other means, as directed by Engineer.

n) The top surface of each pour and bedding planes shall be approximately horizontal unless

75 NCB.CW/W-1

otherwise instructed.

o) Compaction

i) Concrete shall be compacted during placing the approved vibrating equipment until the

concrete has been consolidated to the maximum practicable density, is free of pockets of coarse

aggregate and fits tightly against all form surfaces, reinforcement and embedded fixtures.

Particular care shall be taken to ensure that all concrete placed against the forms faces and into

corners of forms or against hardened concrete at joints is free from voids or cavities. The use of

vibrators shall be consistent with the concrete mix and caution exercised not to over vibrate the

concrete to the point those segregation results.

ii) Vibrators shall conform to BIS / IS specifications. Type of vibrator to be used shall depend on

the structure where concrete is to be placed. Shutter vibrators to be effective, shall be firmly

secured to the formwork which must be sufficiently rigid to transmit the vibration and strong

enough not to be damaged by it. Immersion vibrators shall have no load frequency, amplitude

and acceleration as per IS 2505 depending on the size of vibrator. Immersion: vibrators in

sufficient numbers and each of adequate size shall be used to properly consolidate all concrete.

Tapping or external vibrating of forms by hand tools or immersion vibrators will not be

permitted.

iii) The exact manner of application and the most suitable machines for the purpose must be

carefully considered and operated by experienced men. Immersion vibrators shall be inserted

vertically at points not more than 450 mm apart and withdrawn when air bubbles cease to

come to the surface. Immersion vibrators shall be withdrawn very slowly. In no case shall

immersion vibrators be used to transport concrete inside the forms. Particular attention shall

be paid to vibration at the top of a lift e.g. in a column or wall.

iv) When placing concrete in layers, which are advancing horizontally as the work

progresses, great care shall be exercised to ensure adequate vibration, blending and mixing

of the concrete between the succeeding layers.

v) The immersion vibrator shall penetrate the layer being placed and also penetrate the layer

below with the under layer is still plastic to ensure good bond and homogeneity between the

two layers and prevent the formation of cold joints.

vi) Care shall be taken to prevent contact of immersion vibrators against reinforcement steel.

Immersion vibrators shall not be allowed to come in contact with reinforcement steel after

start of initial set. They shall also not be allowed to come in contact with forms or finished

surfaces.

vii) Form attached vibrators shall be used only with specific authorization of Engineer.

viii) The surface vibrators will not be permitted under normal conditions. However, for thin

slabs vibration by specially designed vibrators may be permitted upon approval of Engineer.

Where as for cement concrete pavements appropriate surface vibrator shall be used in addition to

76 NCB.CW/W-1

immersion vibrator approved by the engineer.

ix) The formation of stone pockets or mortar bondage's in corner and against faces of forms shall

not be permitted. Should these occur, they shall be dug out, reformed and refilled to sufficient

depth and shape for through bonding, as directed by Engineer.

q) Placement Interval

Except when placing with slip forms each placement of concrete in multiple lift work, shall be

allowed to set for at least 24 hours after the final set of concrete and before the start of a

subsequent placement.

r) Special Provision in Placing

When placing concrete in walls with openings and in floors of integral slab and beam

construction and other similar conditions, the placing shall stop when the concrete reaches the

top of the opening in walls and bottom horizontal surface of the slab, as the case may be placing

shall be resumed before the concrete in place takes initial set, but not until it has time to settle as

determined by Engineer.

s) Placing Concrete through reinforcement Steel

When placing concrete through reinforced steel, care shall be taken to prevent segregation of the

coarse aggregate. When the congestion of .steel makes placing difficult, it may be necessary to

temporarily move the top steel aside to get proper placement and restore reinforcing steel to

design position.

t) Bleeding

Bleeding of free water, on top of concrete being deposited, in to the forms shall be caused to

stop the concrete pour. The conditions causing this defect corrected before any further

concreting is resumed.

Curing, protecting, repairing and finishing

a) Curing

i) All concrete shall be cured by keeping it continuously damp for the period required for

complete hydration and hardening to take place shall cure all concrete. Preference shall be given

to the use of continuous sprays or ponded water continuously saturated covering of sacks,

canvas, Hessian or other absorbent materials, Or approved effective curing compounds applied

with spraying' equipment capable of producing a smooth, even textured coat. Extra precautions

shall be exercised in curing concrete during cold and hot water as outlined hereinafter. The

quality of curing water shall be the same as that used for mixing concrete.

ii) Certain types of finish or preparation for overlaying concrete must be done at certain stage of

the curing process and special, treatment may be required for specific concrete surface finish.

iii) Curing of concrete made of high alumna cement and super sulphate cement shall be carried

out as directed by Engineer.

iv) Fresh concrete shall be kept continuously wet for a minimum period of 10 days from the date

of placing of concrete following a lapse of 12 to 14 hours after laying of concrete. The curing of

77 NCB.CW/W-1

horizontal surfaces exposed to the drying winds shall however begin immediately the concrete

has hardened. Water shall be applied uniformly to concrete surfaces within 1 hour after concrete

has set. Water shall be applied to formed surfaces immediately upon removal of forms quantity of

water applied shall be controlled to prevent erosion of freshly placed concrete.

v) Curing shall be assured by use of an ample water supply under pressure in pipes with all

necessary appliance of hose, sprinklers and spraying devices. Continuous fine mist spraying or

sprinkling shall be used, unless otherwise specified or approved by Engineer.

vi) Whenever, by the judgment of Engineer, it may be necessary to omit the continuous spray

method, a covering of clean sand or other approved means such as wet gunny bags, which will

prevent loss of moisture from the concrete, may be used. No type of covering will be approved

which would stain or damage the concrete during or after the curing period. Covering shall be

kept continuously wet during the curing period.

vii) For curing of concrete in pavements, sidewalks floors, flat roofs or other level surfaces, the

ponding method of curing is preferred. The method of containing the ponded water shall be

approved by Engineer. Special attention shall be given to edges and comers of the slabs to ensure

proper protection to these areas. The ponded area shall be kept continuously filled with water

during the curing period.

viii) Surface coating type compounds shall be used only by special permission of Engineer;

curing compounds shall be liquid type white pigmented. Other curing compounds shall be used

on surfaces where future blending with concrete, water or acid proof membrane or painting is

specified.

ix) All equipment and materials required for curing shall be on hand and ready for use before

concrete is placed.

b) Protecting fresh concrete

Fresh concrete shall be protected from defacements and damage due to construction operation by

leaving forms in place for an ample period as specified later in this specification. Newly placed

concrete shall be protected by approved means such as tarpaulins from rain, sun and winds. Steps

as approved by Engineer shall also be taken to protect immature concrete from damage by debris,

excessive loading, vibration, abrasion or contact with other materials etc that may impair the

strength and / or durability of the concrete. Workmen shall be warned against and prevented from

disturbing green concrete during it setting period. If it is necessary that workmen enter the area of

freshly placed concrete, Engineer may require that bridges be placed over the area.

c) Repair and replacement of unsatisfactory concrete:

i) Immediately after the shuttering is removed, the surface of concrete shall be very carefully

inspected and all defective areas called to the attention of Engineer who may permit patching of

the defective areas or also reject the concrete unit either partially or entirely. Rejected concrete

shall be removed and replaced by contractor at no additional expense to owner. Holes left by

from bolts etc. Shall be filled up and made good with mortar composed of one part of cement to

78 NCB.CW/W-1

one and half parts of sand passing 2.36 mm IS sieve after removing any loose stones adhering to

the concrete shall be finished as described under the particular items of work.

ii) Superficial honey combed surfaces and rough patches shall be similarly made good

immediately after removal of shuttering in the presence of Engineer and superficial water and air

holes shall be filled in. The mortar shall be well worked into the surface with a wooden float.

Excess water shall be avoided. Unless instructed otherwise by Engineer the surface of the

exposed concrete placed against shuttering shall be rubbed down immediately on removal of

shuttering to remove fine or other irregularities and necessary care being taken to avoid damage to

the surface. Surface irregularities shall be removed by grinding.

iii) If reinforcement is exposed or the honeycombing occurs at vulnerable positions e.g. ends of

beams or columns it may he necessary to cut out the member completely or in part and

reconstruct. The decision of Engineer shall be final in this regard. If only patching is necessary,

the defective concrete shall be cut out till solid concrete is reached (or to a minimum depth of

25mrn) the edges being cut perpendicular to the affected surface or with small under cut if

possible. Anchors, tees or dovetail slots shall be provided whenever necessary to attach the new

concrete securely' in place an area extending several centimeters beyond the edges, and the

surfaces of the prepared voids shall be saturated with' water for 24 hours immediately before the

patching material is placed.

iv) The use of epoxy for bonding fresh concrete used for repairs will be permitted upon written

approval of Engineer. Epoxy shall be applied in strict accordance with the instructions of the

manufacturer.

v) Small size holes having surface dimensions about equal to the depth of the hole, holes left after

removal of form bottom, grout insert holes and slots cut for repair of cracks shall be repaired as

follows. The hole to be patched shall be roughened and thoroughly soaked with water until

absorption stops.

A 5mm thick layer of grout of equal parts of cement and sand shall be well brushed into the

surface to be patched, followed immediately by the patching concrete, which shall be well

consolidated with a wooden float. The concrete patch shall be built up in 10 mm thick layers.

After an hour or more, depending upon weather conditions, it shall be worked off flush with a

wooden float and smooth finish obtained by wiping with Hessian; a steel trowel shall be used for

this purpose. The mix for patching shall be of same material and in the same proportions as that

used in the concrete being repaired, although some reduction in the maximum size of the coarse

aggregates may be necessary and the mix shall be kept as dry as possible.

Mortar filling by air pressure (guniting) shall be used for repairing of areas too large and/ or too

shallow for patching with mortar. Patched surfaces shall be given a final treatment to match the

colour and texture of the surrounding concrete. While cement shall be substituted for ordinary

cement, if so directed by Engineer, to match the shade of the patch with original concrete.

vii) The patched area shall be covered immediately with an approved non-staining water

saturated material such as gunny bag which shall be kept continuously wet and protected against

sun and wind for a period of 24 hours. Thereafter, the patched area shall be kept wet

continuously by fine spray of sprinkling for not less than 10 days.

79 NCB.CW/W-1

viii) Any minor cavity in the element or water pass through a joint, the affected area shall be

grouted with an approved means as approved by the Engineer. This will not however applicable

to any defect which is in case established during testing.

ix) All materials, procedures and operations used in the repairing of concrete and also the

finished repair work shall be subject to the approval of Engineer. All fillings shall be tightly

bonded to the concrete and shall be sound, free from shrinkage cracks after the fillings have been

cured and finished.

d) Finishing

i) The type of finish for formed concrete surface shall be as follows, unless, other wise specified

by the Engineer.

For surfaces against which backfill or concrete is to be placed, no treatment is required except

repairing of defective areas.

For surface below grade, which will receive, waterproofing treatment the concrete shall be free of

surface irregularities, which would interfere with proper application of the waterproofing

material which is specified for use.

Unless specified, surfaces which will be exposed when the structure is in service shall receive no

special finish, except repairing of damage or defective concrete removal of fins and abrupt

irregularities, fillings of holes left by form ties and rods and clean up of loose or adhering debris.

ii) Surfaces which will be exposed to the weather and which would normally be level shall be

sloped for drainage. Unless the drawing specifies such as stair treads, walls shall be sloped across

the width approximately 1 in 30 broader surface such as walkways. roads, parking areas and

platforms shall be sloped about 1 in 50. Surfaces that will be covered by backfill or concrete sub

floors to be covered either concrete topping, terrazzo or quarry tile and similar surfaces shall be

smoothing screeded and leveled to produce even surfaces. Surface irregularities shall not exceed

6mm. Surfaces which will not be covered by backfill, concrete or tile toppings such as outside

decks, floors of galleries and sumps parapets, gutters, sidewalks floors and slabs shall be

consolidated screeded and floated. Excess water and laitance shall be removed before finishing.

Floating may be done with hand or power tools and started as the screeded surface has attained a

stiffness to permit finishing operation and these shall be the minimum required to produce a

surface uniform in texture and free from screed marks or other imperfections. Joints edge panels

and forms linings shall be of uniform size and are as large as practicable and installed with closed

joints. Upon removal of forms the joint marks shall be smoothed off and all blemishes, .1

projections etc; removed leaving the surfaces reasonably smooth and unmarred.

iv) Integral cement concrete finish

When specified on the drawings and integral cement concrete finish of specified thickness for

floors and slabs shall be applied either monolithic or bonded as specified on the drawing as per

80 NCB.CW/W-1

IS:2571. The surface shall be compacted and than floated with a wood float or power floating

machine. The surface shall be tested with a straight edge and any high and low pots eliminated.

Floating or toweling of finish shall be permitted only after all surfaces water has evaporated. Dry

cement or a mixture of dry cement and sand shall not be sprinkled directly on the surface of the

cement finish to absorb moisture or to stiffen the mix.

Mode of Measurement

i) The unit rate for concrete work under various categories shall be all inclusive and no claims for

extra payment on account of such items as leaving holes, embedding inserts etc. shall be

entertained unless separately provided for in the schedule of quantities. No extra claim shall also

be entertained due to change in the number, position end/ or dimensions of holes soils or

openings sleeves, inserts or on account of any increased lift or scaffolding etc. All these factors

should be taken into consideration while quoting the unit rates.

ii) Payments of concrete will be made on the basis of unit of the respective item specified in the

Schedule of Quantities. No deduction in the concrete quantity will be made for reinforcements,

inserts etc. and opening less than 0.05cu.m. Where concrete is measured in cu.m. Where no such

deduction for concrete is made, payment for shuttering work provided for such holes, pockets

etc. will not be made.

Providing and erecting formwork for structure up to plinth level

(No extra cost shall be given for Formwork/shuttering. Contractor shall quote price of any

type of concrete work with its shuttering at any level of respective work. This content for

‘shuttering’ is mentioned here for its detail specification only)

a) The formwork shall consist of shores, bracings, sides of beams and columns, bottom of slabs

etc, including ties anchors, hangers inserts etc, complete which shall be properly designed and

planned for the work. False work shall be so constructed that necessary adjustment can be made

to compensate for take up and settlements. Wedge may be used at the top or bottom of timber

shores but not at both ends to facilitate vertical adjustment or dismantling of the formwork.

b) Design of formwork

The design of the formwork as well as its construction shall be the responsibility of Contractor.

If so instructed, the drawings and/or calculation for the design for the formwork shall be

submitted to Engineer for approval before proceeding with work, at no extra cost. Engineer's

approval shall not however relieve Contractor of the full responsibility for the design and

construction of the formwork. The design shall take into account the entire load vertical and

lateral that the forms will be carrying live and vibration loadings.

c) Type of formwork

Formwork may be of timber, plywood metal, plastic or concrete. For special finishes the

formwork may be lined with plywood, steel sheets oil tempered hard board etc. Sliding forms

and slip forms may be used with the approval of Engineer.

81 NCB.CW/W-1

d) Form work requirements

i) Forms shall conform to the shapes, lines, grades and dimensions including camber of the

concrete as called for on the drawings. Ample studs, braces, ties, straps, etc. shall be used to

hold the forms in proper position without any distortion whatsoever until the concrete is set

sufficiently to permit removal of forms. Forms shall be strong enough to permit the use of

immersion vibrators. In special cases form vibrators may also be used. The shuttering shall be

close boarded. Timber shall be well seasoned, free from sap, shakes, loose knots, worm holes,

warps or other surface defects in contact with concrete. Faces coming in contact with the

concrete shall be free from adhering grout, plaster, and paint, projecting nails, splits or other

defects. Joints shall be sufficiently tight to prevent loss of water or any fine material from

concrete.

ii) Plywood shall be used for exposed concrete surfaces where called for. Sawn and wrought

timber may be used for unexposed surfaces. Inside faces of forms for concrete surfaces, these

are to be rubbed finished shall be planed to remove irregularities or uneven ness in' the face.

Formwork with linings shall be permitted.

iii) All new and used form timber shall be maintained in a good condition with respect to shape,

strength, rigidity, water tightness, smoothness and cleanliness of surfaces. Form timber

unsatisfactory in any respect shall not be used and if ejected by Engineer shall be removed from

the site.

iv) Shores supporting successive members shall be placed directly over those below or be so

designed and placed that the load will be transmitted directly to them. Trussed supports shall be

provided for shores that cannot be secured on adequate foundations.

v) Formwork, during any stage of construction showing signs of distortion or distorted to such a

degree that the intended concrete work will not conform to the exact contours indicated on the

drawings, shall be repositioned and strengthened. Poured concrete affected by the faulty

formwork, shall be removed completely and the formwork be corrected prior to placing of new

concrete.

vi) Excessive construction camber to compensate for shrinkage, settlement may impair the

structural strength of members and shall not be permitted.

vii) Forms shall be so designed that their removal will not damage the concrete. Face formwork

shall provide true vertical and horizontal joints, conform to the architectural features of the

structure as to location of joints and be as directed by engineer.

viii) Where exposed smooth or rendered concrete finishes are required the forms shall be

constructed with special care so that the resulting concrete surfaces require a minimum finish.

e) Formwork for Slope Surfaces

82 NCB.CW/W-1

i) Forms for sloped surfaces shall be built so that the formwork can be placed board-by-board

immediately ahead of concrete placement so as to enable ready access for placement, vibration

inspection and repair of the concrete.

ii) The formwork shall also be built so that the boards can be removed one by one form the

bottom up as soon as the concrete has attained sufficient stiffness to prevent sagging. Surfaces of

construction joints and finished surfaces with slopes steeper than 4 horizontal: 1 vertical shall be

formed as required herein.

f) Formwork for Curved Surfaces

i) The contractor shall interpolate intermediate sections as necessary and shall construct the

forms so that the curvature will be continuous between sections. Where necessary to meet

requirements for curvature, the form timber shall be built up of laminated spleens cut to make

tight, smooth form surfaces.

ii) After the forms have been constructed, all surface imperfections shall be corrected and all

surface irregularities at matching faces of form material shall be dressed to the specified

curvature.

g) Bracing struts and propos

i) Shuttering shall be braced, strutted, propped and so supported that it shall not deform under

weight and pressure of the concrete and also due to the movement of men and other materials.

Bamboos shall not be used as props or cross bearers.

ii) The shuttering for beams and slabs shall be so erected that the shuttering on the sides of the

beams and under the soffit of slabs can be removed without disturbing the beam bottoms. Re--

propping of beams shall not be done except when props have to be reinstated to take care of

construction loads anticipated being in excess of the design load. Vertical props shall be

supported on wedges or other measures shall be taken whereby the props can be gently lowered

vertically while striking the shuttering. If the shuttering for a column is erected for the full height

of the column, one side shall be left open and built up in sections as placing of concrete from the

sides to limit the drop of concrete to 3M or as directed by engineer.

h) Mould Oil

Care shall be taken to see that the faces of form wok coming in contact with concrete are

perfectly cleaned and two coats of mould oil or any other approved material applied before fixing

reinforcement and placing concrete. Such coating shall be insoluble in water, non-staining and

not injurious to the concrete. It shall not become flaky or be removed by rain or wash water.

Reinforcement and/ or other items to be cast in the concrete shall not be placed until coating of

the forms is complete adjoining concrete surface shall also be protected against contamination

from the coating material.

j) Chamfers and Fillets

83 NCB.CW/W-1

All corners and angles exposed in the finished structure shall be formed with moldings to form

chamfers or fillets on the finished concrete. The standard dimension of chamfers and fillers,

unless otherwise specified shall be 20 mm x 20 mm. Care shall be exercised to ensure accurate

moldings. The diagonal face of the moldings shall be planned or surfaced to the same texture as

the forms to which it is attached.

k) Wall Tiles

Wire ties passing through the walls shall not be allowed. In their place bolts through sleeves are

used.

l) Reuse of Forms

Before reuse, all forms shall be thoroughly scraped, cleaned, nails removed, holes that may leak

suitably plugged and joints examined and when necessary, repaired and the inside retreated to

prevent adhesion to the satisfaction of Engineer. Warped lumber shall be resized. Contractor

shall equip himself with enough shuttering material to complete the job in the stipulated time.

m) Removal of forms

i) Contractor shall record on the drawings and in a special register the date upon which the

concrete is placed in each part of the work and the date on which the shuttering is removed there

from. The Contractor shall remove the shuttering after obtaining the approval of the Engineer.

ii) In no circumstances shall forms be struck until the concrete reaches strength of at least twice

the stress due to self weight and any construction/erection loading to which the concrete may be

subjected at the time of striking formwork.

iii) In normal circumstances (generally where temperatures are above 20 Deg. Cent.) forms may

be removed after expiry of the following periods:

Items Ordinary Portland cement concrete.

(Engineers instruction shall be

considered as priority instruction then

mentioned.

a) Walls columns and vertical sides of

Beams

24 hrs or directed by the Engineer.

b) Soffit formwork to slabs propos to be

re-fix immediately after removal of

formwork

3 days or –do-.

c) Beams soffit with propos left under

beams

7 days or –do-.

d) Removal of propos to slab

i) Spanning up to 4.5 mtr. 7 days or –do-.

ii) Spanning over 4.5 mtr. 14 days or –do-.

84 NCB.CW/W-1

e) Removal of props to Beams and arches

i) Spanning up to 4.5 mtr. 14 days

ii) Spanning over 4.5 mtr. 21 days

For other cements and lower temperature, the stripping time recommended above shall be

suitably modified by the Engineer in conformity with the relevant code of practice or

recommendations by the manufacturer.

iv) Striking shall be done slowly with utmost care to avoid damage to arises and projections and

without shock or vibration, by gently easing the wedges. If after removing the formwork, it is

found that timber has been embedded in the concrete, it shall be removed and made good as

specified earlier.

v) Reinforced temporary openings shall be provided as directed by Engineer to facilitate removal

of formwork which otherwise may be inaccessible.

vi) Tie rods, clamps, form bolts etc. which must be entirely removed from walls or similar

structures shall be loosened not sooner than 24 hours nor later than 40 hrs. After the concrete has

been deposited, ties, except those required to hold forms in place, may be removed at the same

time. Ties, withdrawn from walls and grade beams shall be pulled towards the inside face cutting

ties back from the faces of walls and grade beams will not be permitted.

vii) For liquid retaining structures no sleeves for through bolts shall be used nor shall through

bolts be removed as indicated above. The bolts, in this case, shall be cut at 25 mm depth from the

surface and then the hole shall be made good by polymer modified cement mortar of the same

proportions as the concrete just after striking the formwork.

Necessary approach / staging for ease of the access of .workmen, inspection and supervision

staff, in accordance with safety requirements and as per the instructions of the Engineer to be

provided for all types of formwork for all the elements at all the depth / heights the cost of such

arrangements detailed here above shall be deemed to be included in the quoted unit price of the

item.

Mode of Measurement

No payment shall be done as extra for this item. Contractor shall quote for RCC item with cost of

shuttering only.

2.06A Providing, fabricating and placing in position Reinforcement Steel

The quality of the steel shall be as mentioned in the materials section. The bars shall be

fabricated as per the drawings. Laps and splices for reinforcement shall be as shown on the

drawings. Engineer shall approve splices in adjacent bars. The bars' shall not be lapped unless the

length required exceeds the maximum available lengths of bars at site.

85 NCB.CW/W-1

Bending

a) Reinforcing bars supplied bent or in coils, shall be straightened before they are cut to size.

Straightening of bars shall be done in cold and without damaging the bars. This is considered as a

part of reinforcement bending fabricating work.

b) All bars shall be accurately bent according to the sizes and shapes shown on the detailed

working drawings/bar bending schedules. They shall be bent gradually by machine or other

approved means. Reinforcing bars shall not be straightened and bend in a manner that will injure

the material, bars containing cracks or splits shall be rejected. They shall be bent cold, except

bars of over 32mm in diameter that may be bent hot if specifically approved by Engineer. Bars

bent hot shall not be heated beyond cherry red colour (not exceeding 845 deg. centigrade and

after bending shall be allowed to cool slowly without quenching. Bars incorrectly bent shall be

used only if the means used for straightening and re-bending shall not injure the material. No

reinforcement shall be bent when in position in the work without approval whether or not it is

partially embedded in hardened concrete. Bars having kinks or bends other than those required by

design shall not be used.

Fixing

a) Reinforcement shall be accurately fixed by any approved means and maintained in the

correct position shown in the drawings by the use of block, spacers and chairs as per IS 2502

to prevent displacement during placing and compaction of concrete. Bars intended to be in

contact at crossing points shall be strongly bound together at all such points with two

numbers 16 to 18 gauge annealed soft iron wire or GI wire as specified in the tender. The

vertical distance required between successive layers of bar in beams or other members shall

be maintained by providing of mild steel spacer bars at such intervals that the main bars do

not perceptibly sag between adjacent spacer bars.

Cover

a) Nominal cover is the design depth of concrete cover to all steel reinforcement, including

links. Unless indicated otherwise on the drawings, clear concrete cover for reinforcement

(exclusive of plaster or other decorative finish) shall be as follows:

i) At each end of reinforcing bar, not less than 25 mm or not less than twice the diameter of

the bar whichever is less.

ii) For a longitudinal reinforcing bar in a column, not less than 40mm, or less than the

diameter of such bar. In case of columns of minimum dimensions of 20 cm or under, whose

reinforcing bars do not exceed 12 mm, a nominal cover of 25 mm may be used.

iii) For longitudinal reinforcing bars in a beam 25 mm or not less than the diameter of the bar.

iv) For tensile, compressive, shear, or other reinforcement in a slab or wall not less than

20mm or not less than the diameter of such reinforcement.

86 NCB.CW/W-1

v) For footings minimum cover of shall be 50 mm. Incase concrete is deposited on prepared

ground surface other than PCC the cover shall be to the bottom reinforcement shall be 75 mm.

vi) For concrete surfaces exposed to the weather or the ground after removal of forms, such as

retaining walls, footing sides and top etc. not less than 50 mm for bars larger than 16 mm dia

and not less than 40 mm for bars 16 mm diameter or smaller.

vii) Increased cover thickness shall be provided, as indicated on the drawings, for surfaces

exposed to the action of harmful chemicals (or exposed to earth contaminated by such

chemical, acid, alkali, saline atmosphere, sulphurous smoke, etc.

viii) For reinforced concrete members, totally or periodically immersed in sea water or subject to

sea water spray, the cover of concrete shall be 50mm more than those specified in (i) to (v)

above.

ix) For liquid retaining structures the minimum cover to all steel shall be 40mm or the diameter

of the main bars, whichever is greater. In the presence of sea water and soils and waters of a

corrosive character the cover shall be increased by 10 mm.

x) Protection to reinforcement in case of concrete exposed to harmful surroundings may also be

given by providing dense impermeable concrete with. approved protective coatings, as specified

by the Engineer.

xi) Concrete / Cement mortar cover blocks of same strength or PVC cover blocks of approved

quality shall be provided to maintain the correct cover. Concrete / PVC cover blocks to be tied /

fixed with reinforcement steel bars to ensure the bar remains in position. The use of pebbles or

stones shall not be permitted.

Inspection

Erected and secured reinforcement shall be inspected, jointly measured and recorded and

approved by Engineer prior to placement of concrete.

Mode of Measurement

Lengths of reinforcement steel shall be measured to the nearest centimeter. Spacers and chairs

shall be measured and & converted to weight using IS coefficients. The actual quantity of steel

embedded in concrete as calculated and approved by Engineer, irrespective of the level or the

height at which the work is done shall be taken. The unit rate for reinforcement shall include all

wastages, binding wire, cover blocks etc. for which no separate payment shall be made. Laps as

shown in drawings or as approved by Engineer and minimum number of chairs and spacer bars

required to keep the reinforcement in position shall be paid for.

No wastage or rolling margin for over weight shall however be payable when steel is supplied by

the contractor whereas for under weight it should be paid at actual if allowed to use.

87 NCB.CW/W-1

SPECIFICATION 3.00 ‘MASONARY WORKS’

a) The following codes, standards and specifications are made a part of this specification. All

standards, tentative specifications, codes of practices referred to herein shall be the latest edition

including all applicable official amendments and revisions.

IS 1077 For Common Burnt Clay Bricks.

IS 3102 Classification of Burnt Clay Bricks.

IS 2180 Burnt Clay building bricks, heavy duty.

IS 3495 Method of Sampling and testing for clay building bricks

IS 2691 Burnt clay facing bricks

IS 2221 Code of Practice for Brick Work

IS 2185 Load bearing hollow concrete blocks

IS 5498 Lime cement cinder hollow concrete blocks

IS 3115 Lime cement cinder solid blocks

IS 1597 Code practice for construction of stone masonry

3.01 Providing and constructing brick masonry in CM in foundation and up to plinth level

a) Bricks used in works shall be bricks of specified crushing strength as described in the

schedule of Quantities. They shall have the following general properties:

They shall be sound, hard, and homogenous in texture, well burnt in kiln without being vitrified,

table moulded, deep red, cherry or copper coloured, of regular shape and size and shall have

sharp and square edges and paralleled faces. The bricks shall be free from pores, chips, flaws or

humps of any kind. Bricks containing ungrounded particles and which absorb water more than

1/ 5th of their weight when soaked in water for twenty-four hours shall be rejected. Over burnt

or under burnt bricks shall be liable to rejection. These bricks shall give a clear ringing sound

when struck.

b) Samples of bricks shall be submitted before starting the brickwork to the Engineer for

approval. Bricks supplied shall conform to these approved samples. Brick sample shall be got

tested as per IS 3495 by Contractor at no extra cost. Bricks rejected by Engineer shall be removed

from the site of works within 24 hours.

b) Mortar

i) Mix for cement mortar shall be as specified in the respective items of work. Gauge boxes for

sand shall be of such dimensions that one complete bag of cement containing 50 kgs of cement

forms one unit. The sand shall be free from clay shale, loam, alkali, and organic matter and of

sound, hard, clean and durable particles. Sand shall be approved by the engineer. If so directed

by the engineer sand shall be thoroughly washed till it is free of any contamination.

ii) For preparing cement mortar the ingredients shall first be mixed thoroughly in dry condition.

Water shall then be added and mixing continued to give a uniform mix of required consistency.

Cement mortar shall preferably be machine mixed, through mixing in a thorough manner may be

88 NCB.CW/W-1

allowed. The mortar so mixed shall be used within 30 minutes of mixing. Mortar left unused in

the specified period shall be rejected.

iii) The Contractor shall arrange for test on mortar samples if so directed by the engineer re-

tempering of mortar shall not be permitted.

d) Workmanship

i) All bricks shall be thoroughly soaked in clean water for at least one hour immediately before

being laid. The cement mortar for brick masonry work shall be as specified in the respective item

of work. Brick work 230 mm thick and over shall be laid in English bond unless otherwise

specified. While laying bricks shall be pressed in to the mortar and shoved into final position so

as to embed the brick fully, in mortar. Bricks shall be laid with frogs uppermost.

ii) All brickwork shall be plumb, square and true to dimensions. Vertical joints in alternate

courses shall come directly one over the other and be in line. Horizontal courses shall be levelled.

The thickness of brick courses shall be kept uniform. For walls of thickness greater than 230 mm

both faces shall be kept in vertical planes. No broken bricks shall be used except as closures. Care

shall be taken that the bricks forming the top corners and ends of the wall shall be properly

radiated and keyed into position. Holes kept in masonry for scaffolding shall be closed before

plastering. All interconnected brickwork shall be carried out at nearly one level (so that there is

uniform distribution of pressure on the supporting structure) and no portion of the work shall be

left more than one course lower than the adjacent work where this is not possible, the work shall

be raked back accordingly to bond (and not saw toothed) at an angle not exceeding 45 degree.

iii) Bricks shall be so laid that all joints are well filled with mortar. The thickness of joints shall

not be less than 6mm and not more than 10 mm. The face joint shall be raked to a minimum

depth of 12mm by raking- tools daily during the progress of work when the mortar is still green

so as to provide a proper key for the plaster or pointing to be done. Where plastering or pointing

is not required to be done the joints shall be uniform in thickness and be struck flush and

finished at the time of lying. The face of brickwork shall be cleaned daily and all mortar

droppings removed. The surface of each course shall be thoroughly cleaned of all dirt before

another course is laid on top. If the mortar in the lower course has begun to set the joints shall be

raked out to a depth of 12 mm before another course is laid.

iv) All brickwork shall be built tightly against columns, floor slabs or other structural member.

v) Where drawings. Indicate that structural steel columns are to be fireproofed with brickwork

the brick shall be built closely against all flanges and webs with all spaces between the steel and

bricks works filled solid with mortar. Steel member's partly embedded in brickwork and not

indicated to be fireproofed with concrete shall be covered with not less than 12mm thick mortar

unless directed otherwise by engineer.

vi) The work shall be cured for 15 days.

a) Miscellaneous inserts in masonry e.g. sleeves, wall ties, anchors, conduits, structural sheet,

89 NCB.CW/W-1

steel lintels etc. shall be installed by the Contractor. Furnishing fixing of any of these inserts by

the Contractor will be paid for separately under steelwork. Openings, arches, etc. shall be

provided as shown on the drawings, chasses, pockets etc. shall be provided as shown on the

drawings to receive rain water pipes etc. Wall ties and flashing shall be built into the brickwork in

accordance with the drawings and specifications.

f) Mode of Measurement

i) Brick work of thickness one brick i.e. 230 mm and above shall be paid in units of cum.

In all cases, the quantities measured shall be executed after making necessary deductions for

openings etc. as given below:

No deductions shall be done for openings up to 1000 sq. cm., ends of dissimilar materials,

drainage holes, window/door holdfasts, concrete lintel bearings, landing slab bearing, beam

bearing, chimney flues, cut-outs, iron fixtures, pipes up to 30cm dia.

ii) It shall be clearly understood that the rates quoted by Contractor include leaving openings,

cutting chases brickwork as per drawings/ instructions of the Engineer.

iii) The rate includes necessary single or double scaffolding, centering, soaking of bricks, raking

out joints and curing the work all complete.

3.02 Providing and brick work in CM in super structure at all levels

The general specification is same as per item (of Brickwork below plinth) above including

scaffolding, staging etc. as required.

Mode of Measurement

Same as above item of Brickwork below plinth.

3.03 Providing and constructing 115 mm brick masonry in partition at all levels in CM

The bricks shall be laid with stretchers. The proportion of the mortar shall be as specified in the

item description. The quality of the bricks shall be as specified in the item 3.01. Two nos. of 6mm

dia MS bars or 25mm x 1.2 mm deep iron band kept at every fourth course as specified in BOQ.

Mode of Measurement

The brick work shall be measured in sq.m. The deductions shall be as specified in the item 3.01.

The rate includes necessary single or double scaffolding, centering, soaking of bricks, providing

and placing of 2 nos. of 6 mm dia MS bars or 25mm x 1.2 mm thick iron band, raking out joints

and curing the work all complete.

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SPECIFICATION 4.00 ‘DOORS, WINDOWS, VENTILATION WORK’

Applicable Codes

IS: 4021 Timber Doors, windows, ventilator frames.

IS:2202 Wooden flush door shutters (solid core type) part I

IS:1003 Timber panel and glazed shutter (Part I & II).

IS:4020 Method of tests for wooden doors.

IS:1948 Aluminum doors, windows and ventilations.

IS:1949 Aluminum windows for Industrial Building.

4 WOOD WORK

4.01 Providing and Fixing For Fully glazed windows / ventilations including frames, hinges,

Aluminium anodised fixing of glazed with transparent frosted or figured glass clips, putty

fixtures, fittings. Necessary iron fastening, fixtures, handles, stoppers with primer coat of

approved quality and two coats of enamel/oil paint etc.

This shall confirm to i.s. 1038. And no sections shall be less then specified in ls.1038. The

members shall be electrically flash butt welded. This item includes all types of window such as

fixed, partially fixed and partially hinged side hung, bottom hung, top hung centre hung etc. or

composition of any two or more and all other windows types as specified and sized in engineer

drawings. The necessary accessories such as handles, stays. Stoppers etc. Shall be provided as

per the directions of engineer,

The wood shall be pucca Sal wood of approved quality as per general specification of materials

For window frame and shall be of 12.5cms x 7.0cms.size The window shutter frame size shall be

10 cm x 3.7cms to 4cms.of pucca teak wood Necessary holes for housing the holdfasts shall be

made. The frame shall be made in true line, level and in plumb, the house shall be grouted with

cement mortar 1:4 and surface finished of smooth, windows shall be glazed with either

transparent. Frosted or figured glass as approved by the engineer. Glazing shall confirm to the

relevant specification. Glass shall not be less than or 4 mm.thick glass including necessary

cutting of glass etc. & shall be fixed by putty, wood bids or aluminium bead as directed by the

engineer. Windows shall be painted with approved primer and make surface enamel painted two

coats. M.S.round bright bar of12 mm dia & m.s.flat 32 x 6 mm should be provided at required

spacing in windows as per direction of engineer.

Rate include all as above including glazing materials all labour and shall be paid per Smt of clear

opening of masonry gap i.e. out to out of frame.

1 but for louvered item no.1.3 ventilation having wooden frame size 12.5 x 7.0 cm. With 4 mm

th. & 100 mm. Wide bajari glass fitted in slanty grooves in wooden frame and fixed with 25 mm

x 20mm. t.w.bettens all around including approved quality of primer and two coats of oil. Paint,

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4.02: Providing and fixing in position partly panelled partly glazed doors as per design

including necessary aluminium anodised or iron anodised fittings and fixtures. One coat of

wood primer and two coats of approved quality enamel paint etc. Complete as directed.

The work for doors shall be carried out as per relevant specifications of p.w.d. Hand book vol.1

and as per drawings and instructions of engineer in charge during execution of work. The wood

for frame shall be pucca sal wood of approved quality as per general specifications of

materials, the frame shall be 127mm x 65mm.( Sal wood for frame only).the Door shutter shall

be 10cms to 12.5cms x 4.0 cms. Thick. The door bottom rail and middle rail. Shall be 15cms x

4.0 cms. thick top rail 10cms to 12.5cms. Size: the scantlings for the pucca teak wood 40mm

door shutter shall be as under.the styles and rails shall be provide as per detailed drawing

supplied by the engineer. The panels shall be 19mm thick B.C.T.wood or as approved by the

engineer. The teak wood scantlings shall be prepared from the best quality of pucca teak and

shall generally be free from any defects like loose. Knots. Cracks, wraping etc. And relevant

specifications shall be followed from specifications of material.Aluminium anodised fixture like

handles,tower bolt hinge's door catcher, aldrop etc. of approved make shall be provided as per

details or instruction of the engineer. All fixtures and fastenings shalt bf fixed with galvanised

nattlfold (or equivellent) screws for glazing work specification refer the item of fully glazed

window.

The wood work shall be painted with one: coat of primer and two coats of synthetic enamel paint

of approved make shade. the surface after final coat painted shall give even shade and wood base

shall not be visible on surface the contractor shall have to apply further Coats of paints without

any cost so as to bring finished surface even in texture and without appearance of wood base and

1nster marks. The width shall be measured from out to out of frames and height shall be

measured from flooring. The clearance between bottom of shutter and floor shall not be more

than half centimetre the rate include cost of all materials and necessary labour as above and also

include all lead and lifts.

The payment shall be made on Smt Basis.

SPECIFICATION 5.0 ‘FINISHING WORKS (PLASTER WORKS)’

Applicable Codes

IS:2394 Code of Practice for application for Lime plaster

IS:1477 Code of Practice for Painting Ferrous metals in Buildings and allied finishes

IS:427 Distemper, dry colour as required

IS:2395 Code of practice for Painting concrete, masonry and plaster surfaces.

IS:428 Distemper, oil emulsion, colour as required.

92 NCB.CW/W-1

5.01 Providing and applying Cement Plaster (12mm minimum thickness)

(Application for internal & external walls, ceiling, chhajja, etc. on brickwork or RCC work)

The surface to be plastered shall be washed with fresh clean water free from all dirt, loose

material grease etc. and thoroughly wetted for 6 hours before plastering work is commenced.

Concrete surfaces to be plastered will however be kept dry. The wall should not be too wet but

only damp at the time of plastering the damping shall be uniform to get uniform bond between

the plaster and the wall. The junction between the brickwork and RCC should be fixed with

chicken wire mesh/PVC strip as directed before plaster.

The proportion of the mortar shall be as specified under the respective items of work. Cement

shall be mixed thoroughly in dry condition and then just enough water added to obtain a

workable consistency. The quality of water, sand and cement shall be as mentioned in the

Specifications for Concrete & allied works. The mortar thus mixed shall be used immediately and

in no case shall the mortar be allowed to stand for more than 30 minutes after mixing with water.

The plaster shall be laid in a single coat. The mortar shall be splashed on the prepared surface

with a trowel and finished smooth by trowelling. The plastered surface shall be rubbed with iron

plate till the surface shows cement paste. Then pure (neat) cement paste made with ‗water of

lime‘ or plain water as directed by engineer shall be applied on cement plaster. The paste shall be

then rubbed with metal trowel with enough pressure so that air bubble should not be formed. The

work shall be in required line, level and plumb including cutting and providing grooves of

20mmx6mm or as per the details for rain water drips. Undulation shall not be more then 1.00 mm

in 1.0 mtr. length of plaster. Curing of plaster shall be started as soon as the applied plaster has

hardened enough so as not to be damaged. Curing shall be done by continuously applying water

in a fine spray and shall be carried out for at least 7 days. Contractor shall not add neeru, lime

paste into the plaster.

The plaster shall be carried out on jambs, lintel and sill faces top and undersides, etc. as shown in

the drawing or as directed by the engineer.

Contractor shall make water drips, rain water moulds/ cornices etc. on all weather shed, beams,

lintels, etc. (where water is likely to penetrate/surface drained into the building) free of cost.

Mode of Measurement

The quantity of work to be paid for under this item shall be calculated by taking the projected

surface of the area plastered after making necessary deductions for openings, doors, windows etc.

as given below:

i) No deductions shall be made for opening or end steel joints, beams, post girders etc. up to 0.5

sqm area. No addition shall be made for joints, soffits and sills of such openings. This is

applicable to both the sides of the wall.

93 NCB.CW/W-1

ii) Where opening exceeds 0.5 sqm. but does not exceed 3 sqm and also when only one side of

the wall is treated and other side is not treated, deduction shall be made if the width of the reveal

on the treated sides is less than that on the untreated side but if the width of the reveal is more

then no deduction nor addition shall be made for reveals for jambs, soffits, sills etc.

iii) For openings more than 0.5sqm but not exceeding 3 sqm and also when both the sides of the

wall is plastered with the similar plaster, deduction shall be made for one face only. But when

both the sides treated with different plaster, then deduction shall be made from the side on which

the reveal is less and no deduction on the other side.

iv) For openings whose respective areas exceed 3 sqm deductions shall be made for the full

opening of the wall treatment on both faces while at the same time jambs, sills and soffits shall be

measured in sq.m. for payment. In measuring the jambs deduction shall not be made for the area

in contact with the frames of doors, windows etc.

v) If the average thickness of the plaster is more than the specified thickness due to any account

nothing extra shall be paid for the same.

vi) Nothing extra shall be paid for double scaffolding and the rate is applicable for work at all

levels. All levels mean on floor height, generally for 3.65mtrs.

It shall be measure in sq.mtrs.

SPECIFICATION 6.00 ‘FLOORING WORK’

Applicable codes

IS: 1443 Code of practice for laying and finishing of cement concrete flooring tiles.

IS: 777 Glazed earthenware tiles

6.01 Providing and fixing pre-cast Mosaic Tile Flooring

The type, quality, size, thickness, colour etc. of the tiles for flooring shall, be as per the item

description given in the Schedule of Quantities and of best quality. Generally total thickness of

the tile shall not be less then 25mm. The tile shall be factory made under pressure process with

backing layer of cement to aggregate proportion of 1:3 and wearing layer of minimum 8 mm

conforming to approved sample / manufacturer. The contractor shall provide the Engineer with

necessary sample for approval.

Before the tiling work is commenced, the sub-surface shall be thoroughly cleaned and washed of

all loose material, dirt, and scum and then shall be wetted without forming water pools on the

surface. The tiles shall be laid on cement mortar (in CM 1:7) bedding of 50mm minimum

thickness and proportion as specified in the item description. The mortar shall be evenly spread

on the sub-floor. Over this mortar bed, 4.4 kg of cement per sq.m of floor area shall be spread.

The tiles shall be fixed on this bed one after another. Each tile being gently tapped with a

wooden mallet till it is properly bedded and in level with the adjoining tiles. The joints shall be

94 NCB.CW/W-1

perfectly straight and uniform in thickness. The tiles shall be laid perfectly in level unless

otherwise specified by the Engineer. After laying the tiles the joints shall be cleaned with wire /

coir brush and finished with cement slurry of matching colour with addition of pigment as

specified / directed.

Floor tiles laid adjoining the wall shall project 12mm or as specified under the plaster, skirting or

dado as directed by the Engineer. Half tiles and pieces shall be avoided as far as possible. After

laying the tiles, it shall be cured for at least 14 days. About a week after laying the tiles each and

every tile shall be lightly tapped with a small wooden mallet to find out if it gives a hollow

sound, if it does, such tiles along with any other cracked or broken tiles shall be removed and

replaced with a new tile to proper line and level. The same procedure shall be followed again

after the tiles are finally polished. For the purpose of ensuring that such replaced tiles match with

those earlier laid it is necessary that the Contractor order enough extra tiles from the factory to

meet this contingency.

After the joints have attained sufficient strength, the floors shall be machine polished using

carboroundum stone of No. 60, followed by 120, 150 and final coat with 320 Grit stone to the

desired finish approved by the Engineer. Sufficient quantity of water shall always be used during

polishing to prevent scratches. After each coat of polish with grit No. 60, 120 / 150 the surface to

be applied with cement slurry of matching shade and cured before next polish is taken up. After

final polish with No. 320 stone, the surface to be cleaned with water and dried Oxalic acid shall

then be dusted over the surface @ 33 gms sprinkled with water and rubbed hard with Namadah

blocks with machine.

Wax polishing shall be carried out as specified in the item specification by applying wax over the

cleaned surface and sprinkling dry saw dust when the wax is set and then polish with machine

fitted with Namadah or woolen rags block. The used saw dust shall then be swept to get polished

surface. Care should be taken that the saw dust used is free from dust particles or any impurities.

The final surface should not show any trace of wax when polished.

The final polished surface shall be mopped with wet cloth every day at. least for 10 days.

Mode of Measurement

Unit of measurement for floor tiling shall be sq.m or part thereof of the superficial area. Actual

quantity of tiling work carried out shall be measured and paid for after making deductions for

openings etc. The rate shall include embedding of tile below wall plaster / skirting.

The rate quoted for flooring and dado work shall be inclusive of angles and corner pieces, cutting

tiles for water points, such away that the point is in the junction of four tiles, electrical points etc.

Providing & fixing pre-cast Mosaic tiles in skirting, dado and risers

Quality of tile shall conform to same as specified in item 5.01 and of thickness not less than 25

mm. For dado and skirting work, the vertical surface shall be thoroughly cleaned, scraped

dismantled so as to provide the face of the skirting / dado in desired plane and wetted. Thereafter

it shall be evenly and uniformly covered with about 12mm thick 1:3 cement mortar. For this

work the tiles as obtained from the factory shall be of the size required and practically fully

95 NCB.CW/W-1

polished. The back of each tile to be fixed shall be covered with a thin layer of neat cement paste

and the tile shall then be gently tapped against the wall with a wooden mallet. This shall be done

from the bottom of the surface upwards. The joints shall be as close as possible and the work

shall be truly vertical and flush. The tiles shall be fixed flush with the plaster or projected as

specified by the Engineer. The junction of the plaster and the skirting or dado shall be neatly

finished. The joints shall be cleaned and filled with cement with or without pigment to match the

shade of tile. After the tile has set and cured the same to be polished with machine / hand with

carborundum stones as detailed in item no. 5.01 so that the surface attains a glossy finish.

Corners and junctions are finished true.

Mode of measurement

Skirting, dado or risers shall be measured in sq.m. The rate shall include providing tiles including

wastage, laying as per specifications, filling joints, curing, rubbing and polishing etc. all

complete.

6.02 Providing and laying polished green kota stone flooring

Stones shall be of selected quality, hard, sound, dense and homogenous In texture free from

cracks, decay of weathering and flaws and of approved quality, size and uniform thickness as

specified in the item specification, edges shall be machine cut and the top surfaces shall be

machine polished with joints running true and parallel from side to side. The sides (edges) shall be

table rubbed with coarse sand or machine rubbed before paving. Stones should be laid on a bed of

cement mortar of specified mix and thickness. The pattern of the flooring shall be as per the

Architect's drawing or as directed by the Engineer. Thickness of mortar bedding shall be of 1:7 in

CM mortar, however thickness any place shall not be less then 50mm. The stone slabs shall be

thoroughly wetted with clean water. Mortar of the specified mix shall be spread under the area of

each slab in accordance with the overall slope, roughly to the average thickness as specified in

item. It shall be pressed tapped with wooden mallet and brought to the level. The stone to be lifted

and laid aside. The top surface of the mortar to be corrected by adding fresh mortar at hollows.

The mortar is allowed to harden a bit and cement slurry of honey like consistency shall be spread

over the same @ 4.4 Kg per Sqm. The edges of the slabs already paved to be buttered with cement

with or without pigment. The slab to be tapped to desired level with a fine joint. The surplus

cements slurry to be cleaned.

Care should be taken so that the stone slab is set over the bed and fixed over cement slurry

without any hollow pocket. There should be no voids left underneath. The joints should be struck

smooth cleaned with wire / coir brush and grouted with cement slurry of matching colour. If

specified terrazzo filling of specified thickness or strips of different stone strip shall be provided

in the joints between the kota stone slabs. The floor should be kept covered with damp sand or

water for a week. The stone flooring shall be machine polished as item no: 5.01and then cleaned

with oxalic acid as specified as specified in item of Mosaic Tile flooring and wax polished as

specified in the item specification. The finished floor shall be mopped with water mixed with

kerosene as directed by the Engineer for 10 times in next 7 to 10 days.

The general slope for any area as per the drawing / directions of the Engineer shall be provided in

sub base / PCC and or the grade slab as the case may be. Excess thickness of bedding mortar in

96 NCB.CW/W-1

the event of failure of maintaining necessary slope shall not be paid .The contractor should mark

the levels well in advance and preceding course should be laid accordingly. The contractor should

also make level marks as per the final finished floor level before taking up the flooring work.

Mode of Measurement

This shall be measured in sq.m. The rate shall include providing and laying, curing, machine

polishing, cleaning etc. all complete. The rate quoted for flooring and dado work shall be

inclusive of angles and corner pieces, cutting tiles for water points, such away that the point is in

the junction of four tiles, electrical points etc.

Providing and laying kota stone in skirting and dado.

The stone shall be of required sizes and the thickness shall be as mentioned in the item

specification. The stones shall be pre-polished and machine cut. The thickness of the exposed

edges shall be uniform and polished smooth before fixing. The stone's edges shall be dressed fine

true, straight and at right angles to each other. The stones shall be fixed over cement mortar bed

1:4 : (1 cement; 4 coarse sand) when dried with the help of cement slurry The joints are filled with

cement with addition of pigment: to match the shade and machine / hand polished washed as per

previous item and wax polished as specified in the item specification. The joint between the top

of skirting/ dado and plaster shall be finished properly. The joints in the flooring shall be

continued in the skirting/dado also. The work shall be cured properly.

Skirting shall be of varying height where slopes are provided in the floor. The top of skirting /

dado should be made in horizontal and in level to receive dado of glazed / ceramic tiles as per the

approved scheme / drawing where finished surface shall be maintained in one plane. Cutting of

masonry wall to the required depth keeping in view the finished wall treatment is included in this

item.

Mode of Measurement

As per item of Mosaic tile skirting.

6.03 Providing and laying Indian Water proofing on terraces, sunken slabs, etc.

Waterproofing treatment shall be as specified in the schedule of items over RCC terrace slabs,

chajjas and sloping roof with or without cut-outs, openings, inverted beams, ducts, vents, pipe

lines etc. All proprietary material shall be laid to manufacturer's specifications and proportions

but in no case less than the specifications and proportions as detailed in the following

paragraphs. The contractor shall issue to the Employer a performance guarantee certificate for

ten years period for water tightness of the treatment 'from the date of completion of maintenance

period of the building and shall be submitted in the proforma prescribed by the Department

before the final bill is paid.

The RCC and other surfaces should be cleaned of all foreign materials such as loose mortar,

concrete, local humps, bare pieces and other unwanted materials. The surface to be treated shall

be hacked with, ‗tancha‘ to remove loose mortar scaling and roughened. The surface should be

97 NCB.CW/W-1

rubbed vigorously to remove all dust and with the help of wire brush/brooms. The surface shall

be cleaned to have proper bond with the waterproofing treatment The surface thus prepared shall

then be washed with clean potable water before laying the waterproofing treatment. The

construction joints, cracks, honey combing, if any, should be located and treated with

waterproofing compound, injection, grouting etc. to seal off the cracks, air holes, honey combing

etc. to the entire satisfaction .of the Engineer or his authorised representative. The terrace is then

subjected to terrace method of waterproofing treatment as per manufacturer's specification.

The prepared terrace shall be then watered again thoroughly and cement slur)' shall be spread

over the surface along with the waterproofing/damp proofing compounds, if any, as per

manufacturer's specifications. The brick bats of required size and shape shall be then laid to

proper levels and slope not flatter than 1 in 100, over cement mortar bedding 25mm thick in

C.M. 1:4 mix with waterproofing in specialised manner with brick bats partly projected above

the mortar bedding and fully secured at bottom with at least 15mm gap between the brick bats.

The brick bats so laid should be allowed to set for at least one week and kept under water. Any

seepage I dampness notices under side the ceiling should be treated again as detailed above.

The 'finishing layer shall be of cement mortar 1:4 with waterproofing compound not less than 1

% of weigh of cement, should be added and this layer is laid to desired slope and levels. The

layer so laid should be joint less, well compacted and toweled vigorously till it becomes hard.

This surface so prepared is then marked with false squares of 300 x 300mm or left smooth as

directed by the Engineer-in-Charge.

This treatment shall be continued along the inner sides of parapets, jointing walls up to a height

of 300mm to 375mm in the shape of parabolic vata. The construction joints shall be taken at

ridges and should be made properly watertight and monolithic. The total thickness of the

treatment shall be average 115mm thick with at least 50mm thickness at drain points. Any

additional brick bat coba laid for attaining desired levels and. slope will be measured and paid

under separate item. However, the treatment remains to be the same for the entire work.

The terrace shall be tested for water tightness after the treatment is completed by ponding after

on the terrace and any defects noticed shall be attended to immediately to the entire satisfaction

of the Engineer.

Mode of Measurement

The measurement shall be for the area covered by the treatment. The length/height and breadth

shall be measured along the untreated surfaces. Area of all openings, cut-outs, pipe crossings

shall be deducted and shall be treated well free of cost.

SPECIFICATION 7:00 ‘PAINT WORK’

Applicable Codes

IS: 348 French Polish

IS: 427 Distemper, (dry), colour as required

IS: 428 Distemper, (Oil emulsion), colour as required.

IS: 1477 Codes of Practice for painting of ferrous metals in Buildings (I & II)

IS: 2338 Codes of practice for finishing of wood and wood based materials (I &/1)

98 NCB.CW/W-1

IS: 2339 Aluminium Paints for general purposes, in dual containers.

IS: 2395 Code of Practice for painting concrete, masonry and plaster surface (1&11)

IS: 2932 Enamel, synthetic, exterior, type-I.

IS: 2933 Enamel, synthetic, exterior, type -II.

IS: 5410 Cement paint, colour as required.

IS: 428 Distemper, (Oil emulsion), colour as required.

IS: 1477 Codes of Practice for painting of ferrous metals in Buildings (I & II)

IS: 2338 Codes of practice for finishing of wood and wood based materials (I &/1)

IS: 2339 Aluminium Paints for general purposes, in dual containers.

IS: 2395 Code of Practice for painting concrete, masonry and plaster surface (1&11)

IS: 2932 Enamel, synthetic, exterior, type-I.

IS: 2933 Enamel, synthetic, exterior, type -II.

IS: 5410 Cement paint, colour as required.

7.01 Providing and applying synthetic water-resistant distemper paint

Distemper shall be of approved make. It shall be applied by a broad stiff brush in two coats over

a coat of primer. The first coat with brush shall be applied only after the primer coat has

thoroughly dried. The first coat shall be of a lighter tint. The second shall be applied with roller

or brush after first coat is completely dried. If required putty filling shall be done in damaged area

before application of second coat. The shade of the distemper shall be got approved by the

Engineer. The third coat shall be finishing coat and shall be applied with roller after virtual

finishing of civil works. If required and work is not satisfactory in finishing contractor shall

apply more then three coats without any extra charges. Water bound and oil bound distemper

shall conform to the requirements of IS: 427 and IS 428 respectively.

Total thickness of three coats shall not be less then 150 microns.

Mode of Measurement

It shall be measured in sq.m.

7.02 Providing and applying Acrylic based, Anti fungus exterior paint.

-Do - as per item providing and applying 2 coats of acrylic based, anti fungus exterior paint of

approved shade and make like on smooth or sand face plaster finish as per as specified in the

schedule of quantities, over a coat of same paint in base white colour as a primer in accordance

with the manufacturers specifications etc complete. The cost shall include scaffolding system, all

tools & tackles, and working at any height of the building.

Mode of Measurement

It shall be measured in sq.m.

99 NCB.CW/W-1

7.03 Providing and applying synthetic enamel / flat paint

-do- as distemper but for synthetic enamel / flat paint. This paint shall be applied on walls and

shall be satin or matt finish.

Mode of Measurement

It shall be measured in sq.m.

9.0 DISMANTLING BRICK MASONARY AND/OR RCC WORK

Walls and partitions, plastered or unplastered as per instruction including stacking of

serviceable materials and disposal of unserviceable materials with all leads and lifts in lime

mortar \ in cement mortar, finishing the broken surface to match with the surrounding. Removing

the debris as directed upto a lead of 150m cutting the reinforcement if any etc. Comp. As directed

by site engineer. And carting away same including at site,

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

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

serviceable materials properly and disposing the unserviceable materials with all leads and lifts.

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

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

considered necessary.

Measurements should be taken in cubic meters for the walls and independent piers or columns of

bricks or stone masonary etc. all copings corbels, cornices and other projections shall be

included in wall measurements. In measuring thickness of plastered walls the thickness of plaster

shall be included. The unserviceable materials shall be disposed of with all lead and lift.

The rate is exclusive of bricks or stones. honey comb works or RCC walling shall be measured as

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

Transportation and disposal as directed by the site engineer.

Demolition including stacking of serviceable materials and disposal of unserviceable

materials with all leads and lifts for R.C.C. beams, slabs, lintels, columns etc. The relevant

specification of item no. 9. Shall be followed except that the demolition of reinforced concrete

structure. The unserviceable materials shall be disposed of at all leads and lifts. The rate excludes

scrapping, strengthening of reinforcement but includes cutting of reinforcement. The rate shall be

for a unit of one cubic meter.

100 NCB.CW/W-1

APPROVED COMPANY LIST OF CIVIL, SANITARY, PLUMBING, ETC. ITEMS

Only one of the under mentioned makes of equipment and materials will be acceptable.

Although the acceptable makes are given, the Contractor shall submit samples of all

materials other than heavy equipment and obtain prior approval of the Architect

Consultants (whose decisions shall be binding) for the make of each item before

ordering the same. This condition is also applicable to all items of equipment and

material for which makes are not given in these specifications:

Note:

Tender prices shall be based on the 'make' of equipment materials indicated first in the

list. However, in the event of non-availability, while procuring the equipment materials,

the selected Contractor may choose any other make in this list subject to any rebate

available being passed on to the Owner. Selection of equipment / material before

procurement shall be got approved from the Owner / Consultant.

1. Cement (53 grade opc)

a. L & T (Ultratech)

b. Gujarat Ambuja

c. Elephant

d. Lotus (kamal)

2. Steel (TOR-TMT – MS)

a. Barnala

b. Electrotherm

c. Kamdhenu

3. Water proofing & Building chemicals, Plasticiser, Grouts, Silicon Sealants.

a. Roffee

b. Sica

c. Dr. Back

d. Fosroc

e. G E

4. Interior, Exterior, Enamel, Epoxy paint

a. Asian

b. ICICI

c. Nerolac

5. Marble Mosaic Tile

a. Baroda Mosaic, Baroda

b. Akira Tiles, V. U. Nagar.

c. Dave Tiles, V.U. Nagar

6. Ceramic, Glazed & Vitrified Tile

a. SPL

b. Kajaria

c. Nitco

d. Oreva

e. Euro

7. Aluminum Sections

a. Banco

b. Jindal

8. Glass

a. Modi (GGL)

b. Saint Gobain

101 NCB.CW/W-1

9. Pre-laminated Sheets & Boards

a. Novapan

b. Bakelite Hylam

c. Formica

10. Hardware

a. Ebco

b. Diamond

11. G I / MS Pipes

a. Tata

12. G. I. Fittings

a. ‗R‘ Brand (Rajshree Malleable Ltd)

13. PVC Pipes

a. Supreme

b. Kisan

14. CPVC Pipes

a. Astral

b. Ajay

15. Sanitary ware

a. Hindustan

b. Cera

16. Cast Iron Pipes

a. Nico (centri series/sand casted)

b. BIC (sand casted)

17. Sanitary Fittings

a. Ark (Supreme)

b. Jaquar (Continental)

c. Aquel

18. Aluminium Gaskets

a. Minimum 10% EPDM

19. White Cement

a. Birla White

b. JK white

102 NCB.CW/W-1

SECTION 6: DRAWINGS

103 NCB.CW/W-1

Drawings

104 NCB.CW/W-1

105 NCB.CW/W-1

106 NCB.CW/W-1

SECTION 7: BILL OF QUANTITIES

107 NCB.CW/W-1

Summary of Quantities

Sr.

No.

Item Rate Amount

1 Earth work

2 Concrete work

3 Masonary work

4 Door, window, ventilators wood work

5 Plastering work

6 Flooring work

7 Paint work

8 Plumbing & Sanitation work

9 Demolition & Dismentalling

Total Civil work cost (1 to 9)

10 Add Electrical work cost@-------% of Total

Tender cost (1 to 9)

Total Tender Cost

108 NCB.CW/W-1

Bill of Quantities

ITEM NO:-1. EARTH WORK

SR.

NO S.O.R. NO QTY

UNIT DESCRIPTION RATE AMOUNT

Rs.

1.01 0.00b EXCAVATION FOR FOUNDATION

IN ALL TYPES SOIL FOR WALLS,

COLUMNS, PLINTH BEAMS,

BASEMENT, RAFT DUCTS, PIPE

TRENCHES, ETC. INCLUDING

BACKFILLING THE SAME TO

TRENCHES SFTER COMPLITION

OF FOOTINGS INCLUDING

SOARING, STRUTTING, BAILING

OUT SURFACE WATER PUMPING

OFF IF REQUIRED, REMOVING

AND STACKING ADDITIONAL

EXCAVATED EARTH WHERE

GUIDED WITHIN CAMPUS AREA

ETC COMP - FROM EXISTING

GROUND AT THE SPOT TO 1.50

M.BELOW.

Rs.

1.01

A

0.00b 115.35 CMT -DO- AS ITEM NO.1.01 IN

YELLOW SOIL OR DENSE OR

HARD SOIL BEYOND 1.50 M. BUT

NOT EXCEEDING 3.00 MT (AS PER

STRUCTURAL DEATIL) BELOW

THE GROUND LEVEL.

Rs.

1.02 CMT EARTH FILLING IN FOUNDATION

PIT, SIDE TERNCHES, PLINTH,

SITE DEVELOPMENT ETC WITH

SELECTED EXCAVATED EARTH

IN LAYERS 15CMS TO 20CMS.

INCLUDING WATERING TO

OPTIMUM MOISTURE CONTENT,

RAMMING AND COMPACTING

USING MECHANICAL VIBRO -

ROLLER COMPLETE AS

DIRECTED INCLUDING COST OF

TRANSPORTATION ETC.IF ANY.

(MESUREMENT AFTER

COMPLETE CONSOLIDATION

WILL BE CONSIDERED FOR

PAYMENT)

1.02

A

4.12 60.00 CMT -DO- AS ITEM NO.1.02BUT WITH

AVAILABLE SELECTED EARTH

FROM SITE.

Rs.

1.02

B

4.24 148.24 CMT -DO- AS ITEM NO.1.02BUT WITH

SELECTED YELLOW SOIL

BROUGHT FROM OUT SIDE

INCLUDING FREIGHT

TRANSPORTATION, LOADING

UNLOADING, TAXES, ROYALTY,

SCREENING ETC.

(MESUREMENT AFTER

COMPLETE CONSOLIDATION

Rs.

109 NCB.CW/W-1

WILL BE CONSIDERED FOR

PAYMENT)

1.03 348.56 SMT PROVIDING & SPREADING

ANTITERMITE CHEMICAL

TREATMENT FOR FOOTINGS &

FLOORINGS WITH PRESSURE

PUMPS, FOR SPREADING

OPERATIONS TO FACILITATE

PROPER PENETRATION OF

CHEMICALS INTO THE EARTH

WITH THE HELP OF CHEMICALS

CONCENTRATIONS & DOSAGES

THROUGH REPUTED AGENCY

PEST CONTROL OF INDIA (PCI) . (

MEASUREMENTS WILL BE ON

PLINTH AREA BASIS)

Rs.

1.04 34.1 CMT PROVIDING AND FILLING CLEAN

LOCAL FINE SAND FOR FILLING

IN PLINTH, TRENCHES, UNDER

FLOORS AND SURROUNDING

AREAS INCLUDING WATERING,

RAMMING, CONSOLIDATING, IN

LAYERS OF 200MM INCLUDING

ALL TAXES AND ROYALIES,

LEAD AND LIFT ETC. COMPLETE

AS DIRECTED. (MESUREMENT

AFTER COMPLETE

CONSOLIDATION WILL BE

CONSIDERED FOR PAYMENT)

Rs.

ITEM NO:-2. CONCRETE WORK

SR.

NO S.O.R. NO QTY

UNIT DESCRIPTION RATE AMOUNT

Rs.

2.01 5.3.3 30.00 CMT PROVIDING AND LAYING

MACHINE MIXED B.B.C.C.

VOLUMETRIC PROPORTION

1:4:8 WITH 37 MM DOWN SIZE

BRICKBATS OF SPECIFIED

THICKNESS, MIX & GRADATION

OF THE AGGREGATES

EXCLUDING THE DISMANTLED

DEBRIS INCLUDING CENTERING

& SPREADING, RAMMING,

CONSOLIDATING AS DIRECTED

FOR FOUNDATION AND

FLOORING.

Rs.

2.02 5.3.3

PROVIDING AND LAYING

MACHINE MIXED PLAIN

CEMENT CONCRETE IN

VOLUMETRIC PROPORTION 1 : 4

: 8 WITH 37 MM AND DOWN

STONE AGGREGATES OF

SPECIFIED THICKNESS, MIX AND

GRADATION INCL. CENTERING,

SHUTTERING IF REQUIRED,

LAYING, SPREADING, RAMMING

CONSOLIDATING.

2.02 9.38 CMT -DO- AS PER ITEM NO. 2.02 Rs.

110 NCB.CW/W-1

(A) FOR FOUNDATION.

2.02

(B)

3.6 CMT -DO- AS PER ITEM NO. 2.02 FOR

GROUND BEAM.

Rs.

2.03 PROVIDING AND LAYING IN

POSITION MACHINE MIXED &

MACHINE VIBRATED CEMENT

CONCRETE OF M20

GRADE(DESIGN OF CONCRETE

MIX WILL BE DONE BY

CONTRACTOR) WITH MINIMUM

350 KG OF CEMENT

CONSUMPTION PER CUBIC

METRE OF CONCRETE (BY

WEIGHT BATCHING/BY VOLUME

BATCHING ) FOR REINFORCED

CEMENT CONCRETE

STRUCTURAL ELEMENTS. FOR

FOUNDATIONS TO ANY

HEIGHTS FOR PROPOSED WORK.

VIZ. FOUNDATION, BEAMS,

ARCH SLABS ON DEFINED

LEVEL, PLINTH BEAM ETC. IN

THE BASEMENT AND THE SLAB,

BEAMS, SLAB BEAM ETC @

PLINTH LEVEL PLINTH BEAM

LEDGES, WINDOW SILLS,

COPING, WALLS, PARAPETS

BOXES, FOLDED PLATES,

CHHAJJAS, MULLIONS,

RETAINING WALLS FINS,

STAIRCASES, OVERHEAD AND

UNDERGROUND WATER TANKS

IN ANY SHAPE all AS PER

STRUCTURAL DESIGN AND AS

DIRECTED IN SPECIFIED

COMPRESSIVE STRENGTH AT 28

DAYS AS PER I.S.456 1978 USING

20 MM. MAXIMUM SIZE

AGGREGATE INCLUDING

DESIGN OF CONCRETE

MIXES.WEIGHT BATCHED

PROPORTIONING NECESSARY

LIFT AND LEAD AS SPECIFIED

FINISHING CONCRETE

SURFACES, CENTERINGAT

DOUBLE HEIGHT/ TRIPLE

HEIGHT SHUTTERING, CURING

ETC. COMPLETE. AND KEEPING

IN VIEW WITH CONTROLLED

WATER FOR ALL FLOORS

FOR ALL FLOORS.

2.03

A

b0.0iii 33.04 CMT -DO- AS PER ITEM NO. 2.03 FOR

R.C.C COLUMN FOOTING,

PADESTALS,WALL, RETAINING

WALL, RAFT, BASE SLAB OF

UNDERGROUND WATER TANK,

RAMP, TRENCHES ETC.

111 NCB.CW/W-1

2.03

B

11.93 CMT -DO- AS PER ITEM NO. 2.03 R.C.C.

COPING, PLINTH BEAM,

GROUND BEAM ETC

Rs.

2.03

C

b0.0iii 9.66 CMT -DO- AS PER ITEM NO. 2.03 FOR

R.C.C. COLUMN

Rs.

2.03

D

a330.0iii 30.64 CMT -DO- AS PER ITEM NO. 2.03 FOR

R.C.C. BEAMS, BRACKETS

LINTELS, CILLS, CORNICE ETC.

& BED BLOCK BEAM ETC

Rs.

2.03

E

24.5.8.2 75.00 CMT -DO- AS PER ITEM NO. 2.03 FOR

R.C.C. SLABS, SUNK SLAB OF

TOILETS, R.C.C. LOFT AND

WEATHERSHED , BALCONY,

PORCH/CANOPY SLAB, STAIR

RISER & TREAD, LANDING

WATER TANK SLAB, ANY SLAB

ETC.

Rs.

2.06 PROVIDING, FABRICATING IF

NEEDED , WELDING THE

LAPPING OF REINFORCEMENT

BAR WHERE REQUIRED ,

REBARING TO EXISTING

STRUCTURE IF NEEDED AND

LAYING POSITION STEEL

REINFORCEMENT FOR R.C.C.

STRUCTURES AS PER DESIGN

INCLUDING BASIC COST OF

THE STEEL/OR STORE AT THE

SITE & INCIDENTAL CHARGES

FOR HANDLING

CUTTING,BENDING,BINDING

WITH 16 GAUGE WIRES ETC

COMPLETE

2.06

A

14a5.4.11 11.00 TON -DO- AS PER ITEM NO. 2.06 FOR

TMT BARS FOR R.C.C. WORK

Rs.

ITEM NO:- 3. MASONARY WORK

SR.

NO S.O.R. NO QTY

UNIT DESCRIPTION RATE AMOUNT

Rs.

3.01 6.13C 12.60 CMT PROVIDING AND LAYING

BRICK MASONARY IN C.M . 1:6 ( 1

CEMENT AND 6 COARSE SAND)

KEEPING ITS FROG ON TOP

INCLUDING

SCAFFOLDING,RACKING OUT

THE JOINTS, CURING ETC.

COMP. AS DIRECTED FOR

FOUNDATIONS TO HIGHEST

PLINTH LEVEL.

Rs.

3.02 6.13C 30.00 CMT PROVIDING AND LAYING

BRICK MASONARY IN C.M . 1:6 ( 1

CEMENT AND 6 COARSE SAND)

KEEPING ITS FROG ON TOP

INCLUDING

SCAFFOLDING,RACKING OUT

THE JOINTS, CURING ETC.

COMP. AS DIRECTED FOR SUPER

STRUCTURE THREE UPPER

FLOORS.

Rs.

112 NCB.CW/W-1

3.03 6.13C 15.00 CMT PROVIDING AND LAYING

BRICK MASONARY IN C.M . 1:6 ( 1

CEMENT AND 6 COARSE SAND)

KEEPING ITS FROG ON TOP

INCLUDING

SCAFFOLDING,RACKING OUT

THE JOINTS, CURING ETC.

COMP. AS DIRECTED FOR

PARAPET WALL.

Rs.

3.04 6.30C 30.00 SMT PROVIDING AND

CONSTRUCTING 115MM B.B.

MASONARY PARTITION FOR

SUPERSTRUCTURE IN C.M. 1:4 ( 1

CEMENT AND 4 COARSE SAND )

OR THE BRICK ON EDGE

PARTITION INCLUDING

SCAFFOLDING, RACKING OUT

THE JOINTS REINFORCEMENT

OF 2NOS. 6MM DIA. BARS AT

EVERY FOURTH LAYER. FOR

ALL FLOORS.

Rs.

ITEM NO:- 4. DOOR, WINDOW,

VENTILATORS WOOD WORK

SR.

NO S.O.R. NO QTY

UNIT DESCRIPTION RATE AMOUNT

Rs.

4.01

4.02

4.03

10.13 SMT PROVIDING AND FIXING 35MM

THICK SHUTTERS FOR DOORS,

WINDOWS AND CLEARESTORY

WINDOWS INCLUDING BLACK

ENAMELLED M.S. BUTT HINGS

WITH NECESSARY SCREWS (A)

INDIAN TEAK WOOD

30.00 SMT (I) FULLY PANELLED Rs.

SMT (II) FULL GLAZED

55.00 SMT (III) PARTLY PANELLED AND

PARTLY GLAZED

Rs.

ITEM NO:- 5 PLASTER WORK

SR.

NO S.O.R. NO QTY

UNIT DESCRIPTION RATE AMOUNT

Rs.

5.01 17.60ii 1072.00 SMT PROVIDING AND APPLYING

MINIMUM 12MM THICK CEMENT

PLASTER IN CEMENT MORTAR

1:4 (1 CEMENT 2 FINE SAND AND

2 COARSE SAND) TO THE WALLS,

BEAMS,CEILINGS, STAIRS,

COLUMNS, PARDI, BENDS,

MOULDS, FORMING MAKING

VATA FOR PARAPET GROOVES,

BENDS, VERTICAL HORIZONTAL,

OR OBLIQUE GROOV FOR ALL

LEVELS INCLUDING FINISH

COAT IN NEAT CEMENT .

Rs.

113 NCB.CW/W-1

5.02 17.61iii 294.00 SMT PROVIDING AND APPLYING

DOUBLE COAT ROUGH PLASTER

(IN CM 1:4) FOR MINIMUM 19

MM THICK SAND FINISH

PLASTER FOR WALL, MEMBER

OF VERTICAL AND HORIZONTAL

RCC WORK AND SEPARATE

MEMBER OF RCC WORK.

Rs.

ITEM NO:- 6. FLOORING WORK

QTY UNIT DESCRIPTION RATE AMOUNT Rs.

6.01

510.00 SMT PROVIDING AND LAYING 40 MM

THICK MARBLE CHIPS

FLOORING RUBBED AND

POLISHED (I.E. TERRAZO) TO

GRANOLITHIC FINISH WITH

UNDER LAYER 30 MM THICK

CEMENT CONCRETE 1:2:4 (1

CEMENT : 2 COURSE SAND : 4

GRADED STONE AGGREGATE 10

MM AND DOWN GUAGE) AND

TOP LAYER 10 MM THICK WITH

WHITEBLACK OR WHITE AND

BLACK MARBLE CHIPS OF

REQUIRED SIZES FROM 1 MM TO

4 MM NOMINAL SIZE LAID IN

CEMENT MARBLE POWDER MIX

3:1 (3 CEMENT : 1 MARBLE

POWDER BY WEIGHT) IN

PROPORATION OF 4:7 (4 CEMENT

MARBLE POWDER MIX : 7

MARBLE CHIPS BY VOLUME)

Rs.

6.02 35.00 SMT PROVIDING & FIXING 30MM TO

37MM GREEN POLISHED KOTA

STONE OF ONE SIDE PRE-

POLISHED OF UNIFORM TINT

FOR FLOORING & OF SIZE

600MM X 600MM OR 450MM X

600MM ON MAXIMUM CEMENT

MORTAR BED 1:6 IN PROPER

SLOPE INCLUDING DRESSING

THE STONES, RUBBING THE

EDGE ON MS GRINDERS,

FILLING THE JOINTS WITH

CEMENT SLURRY & OF

APPROPRIATE SHADE OF GREEN

COLOUR. RATE INCLUDES

CURING, POLISHING WITH

MACHINE / MANUALLY AS

REQUIRED, CLEANING WITH

ACID, WAX POLISHING ETC

COMP AT ALL LEVELS &

HEIGHTS AS DIRECTED.

Rs.

6.03 285.00 SMT PROVIDING AND LAYING

TYPICAL 115MM THICK INDIAN

WATER PROOFING ON

TERRACE INCL. CLEANING THE

SURFACE OF SLAB WITH WATER

AND THEN LAYING OF P.C.C.

BED (1 CEMENT : 3 SAND : 3

Rs.

114 NCB.CW/W-1

GRIT) , AVERAGE 115 MM. TH.

BRICK BATS COBA, LAYING IN

PROPER SLOPE TO DRAIN THE

RAIN WATER PIPE, FILLING THE

JOINTS WITH THE SAME,

FINISHING THE SURFACE IN

SMOOTH BY MAKING PATTERN

STONE, GIVING 10 YEARS

GAURANTEE FOR THE WORK

DONE .

ITEM NO:- 7. PAINT WORK

SR.

NO S.O.R. NO QTY

UNIT DESCRIPTION RATE AMOUNT

Rs.

7.01 18.88 1800.00 SMT DISTEMPERING (TWO COATS)

WITH OIL BOUND DISTEMPER

OF APPROVED BRAND AND

MANUFACTURE AND OF

REQUIRED SHADE ON WALL

SURFACE TO GIVE AN EVEN

SHADE OVER AND INCLUDING A

PRIMING COAT WITH

DISTEMPER PRIMER OF

APPROVED BRAND AND

MANUFACTURE AFTER

THROUGHLY BRUSHING THE

SURFACE FREE FROM MORTAR

DROPPING AND OTHER

FOREIGN MATTER AND ALSO

INCLUDING PREPARING THE

SURFACE EVEN AND SAND

PAPERED SMOOTH.

Rs.

7.02 18.57 650.00 SMT PROVIDING & APPLYING APEX -

EXTERIOR PAINT ON WALL

SURFACE ON TEXTURED

PLASTER WORK (TWO OR MORE

COATS) TO GIVE AS EVEN SHADE

INCLUDING THOROUGHLY

BROOMING.THE SURFACE TO

REMOVE ALL DIRT, DUST,

MORTAR DROPS AND OTHER

FOREIGN MATERIAL.

Rs.

7.03 19.71

85.00 SMT PAINTING TWO COATS

(EXCLUDING PRIMING COAT) ON

NEW WOOD AND WOOD BASED

SURFACES WITH ENAMEL

PAINT, INTERIOR TO GIVE AN

EVEN SHADE INCLUDING

CLEANING THE SURFACE OF

ALL DIRT AND OTHER FOREIGN

MATTER SAND PAPERING AND

STOPPING

Rs

85.00 SMT EXTRA OVER ITEMS 7.03 FOR

EVERY SUBSEQUENT COAT OF

PAINT.

Rs

115 NCB.CW/W-1

ITEM NO:-8 PLUMBING &

SANITATION WORK

SR.

NO S.O.R. NO QTY

UNIT DESCRIPTION RATE AMOUNT

Rs.

8.01 PROVIDING AND FIXING ON

WALL FACE P.V.C. RAIN WATER

PIPE OF SPECIFIED DIA. ( 6

KG. / SCM PRESSURE) WITH I.S.I.

MARK INCLUDING NECESSARY

FITTINGS LIKE BEND, SHOE

BEND ETC. WITH 16 TO 18

GAUGE G. I.CLAMPS AT EVERY

1.8 MT. INCLUDING FILLING THE

JOINTS ETC COMP.

RMT -DO- AS PER ITEM NO. 8.01 FOR

100MM DIA.

35.00 RMT -DO- AS PER ITEM NO. 8.01 FOR

150MM DIA.

Rs.

RMT -DO- AS PER ITEM NO. 8.01 FOR

200MM DIA.

ITEM NO 9 DEMOLITION AND

DISMENTALLING

SR.

NO S.O.R. NO QTY

UNIT

DESCRIPTION RATE AMOUNT

Rs.

9.01 20.10 DEMOLITION AND DISPOSAL OF

UNSERVICEABLE MATERIALS

WITH ALL LEAD AND LIFT.

Cu. m (I) LIME CONCRETE

10.00 Cu. m (II) UNREINFORCED CEMENT

CONCRETE

Rs.

9.02 20.30 DEMOLITION INCLUDING

STACKING OF SERVICEABLE

MATERIALS AND DISPOSAL OF

UNSERVICEABLE MATERIALS

WITH ALL LEAD AND LIFT

8.00 Cu. m (I) R.C.C. WORK Rs.

9.03 20.11 Cu. m DEMOLITION OF BRICK WORK

AND STONE MASONARY

INCLUDING STACKING OF

SERVICEABLE MATERIALS AND

DISPOSAL OF UNSERVICEABLE

MATERIALS WITH ALL LEAD

AND LIFT

Cu. m (I) IN LIME MORTAR

25.00 Cu. m (II) IN CEMENT MORTAR Rs.

TOTAL Rs.

Note:

(1) Item for which no rate or price has been entered in will not be paid for by the Employer when executed

and shall be deemed covered by the other rates and prices in the Bill of Quantities (refer: ITB Clause 13.2

and GCC Clause 43.3).

116 NCB.CW/W-1

(2) Unit rates and prices shall be quoted by the bidder in Indian rupee [ITB Clause 14.1].

(3) Where there is a discrepancy between the rate in figures and words, the rates in words will govern.

[ITB Clause 27.1(a)]

(4) Where there is a discrepancy between the unit rate and the line item total resulting from multiplying the unit

rate by quantity, the unit rate quoted shall govern [ITB Clause 27.1 (b)].

(5) Electrical work cost is about on % basis of Total civil works. Contractor has to fill Compulsory this

amount, if it is not filled than the tender can be liable for reject.

(6) For any extra items which are not indicated in the tender, contractor must have to take permission

from BOG before the execution of that extra item.

(7) In case of any discrepancy regarding any specifications, items or any clause of tender, decision of BOG

will be considered as final.

117 NCB.CW/W-1

SECTION 8: FORMS OF SECURITIES

118 NCB.CW/W-1

Forms of Securities

Acceptable forms of securities are annexed. Bidders should not complete the Performance and Advance

Payment Security forms at this time. Only the successful Bidder will be required to provide Performance and

Advance Payment Securities in accordance with one of the forms, or in a similar form acceptable to the Employer.

Annex A: Bid Security (Bank Guarantee)

Annex B: Performance Bank Guarantee

Annex C: Deleted

Annex D: Bank Guarantee for Advance Payment

119 NCB.CW/W-1

Annex A

BID SECURITY (BANK GUARANTEE)

WHEREAS, _______________________ [name of Bidder] (hereinafter called "the Bidder") has submitted his Bid

dated _______________________ [date] for the construction of _____________________________________

[name of Contract] (hereinafter called "the Bid").

KNOW ALL PEOPLE by these presents that We ______________________________ [name of bank]

of____________________________ [name of country] having our registered office at

___________________________________ (hereinafter called "the Bank") are bound unto

______________________________[name of Employer] (hereinafter called "the Employer") in the sum of

___________________1 for which payment well and truly to be made to the said Employer the Bank binds itself, his

successors and assigns by these presents.

SEALED with the Common Seal of the said Bank this_________ day of __________ 19____.

THE CONDITIONS of this obligation are:

(1) If after Bid opening the Bidder withdraws his bid during the period of Bid validity specified in

the Form of Bid;

or

(2) If the Bidder having been notified of the acceptance of his bid by the Employer during the

period of Bid validity,

(a) fails or refuses to execute the Form of Agreement in accordance with the Instructions

to Bidders, if required; or

(b) fails or refuses to furnish the Performance Security, in accordance with the

Instruction to Bidders; or

(c) does not accept the correction of the Bid Price pursuant to Clause 27,

we undertake to pay to the Employer up to the above amount upon receipt of his first written demand, without the

Employer having to substantiate his demand, provided that in his demand the Employer will note that the amount

claimed by him is due to him owing to the occurrence of one or any of the three conditions, specifying the occurred

condition or conditions.

This Guarantee will remain in force up to and including the date ____________________2 days after the deadline

for submission of Bids as such deadline is stated in the Instructions to Bidders or as it may be extended by the

Employer, notice of which extension(s) to the Bank is hereby waived. Any demand in respect of this guarantee

should reach the Bank not later than the above date.

DATE _______________ SIGNATURE OF THE BANK _________________________

WITNESS ____________ SEAL _______________________________________

_________________________________________________________________

[signature, name, and address]

____________________________

1 The Bidder should insert the amount of the guarantee in words and figures denominated in Indian Rupees.

This figure should be the same as shown in Clause 16.1 of the Instructions to Bidders.

2 45 days after the end of the validity period of the Bid.

120 NCB.CW/W-1

Annex B

PERFORMANCE BANK GUARANTEE

To: Birla Vishvakarma Mahavidyalaya, Vallabh Vidyanagar [name of Employer]

Mota Bazar, Vallabh Vidyanagar, Anand [address of Employer]

WHEREAS _________________________ [name and address of Contractor] (hereinafter called "the

Contractor") has undertaken, in pursuance of Contract No. _____ dated ________________ to execute

__________________________ [name of Contract and brief description of Works] (hereinafter called "the

Contract");

AND WHEREAS it has been stipulated by you in the said Contract that the Contractor shall furnish you

with a Bank Guarantee by a recognized bank for the sum specified therein as security for compliance with his

obligations in accordance with the Contract;

AND WHEREAS we have agreed to give the Contractor such a Bank Guarantee;

NOW THEREFORE we hereby affirm that we are the Guarantor and responsible to you, on behalf of the

Contractor, up to a total of ____________________ [amount of guarantee] 1___________________________ [in

words], such sum being payable in the types and proportions of currencies in which the Contract Price is payable,

and we undertake to pay you, upon your first written demand and without cavil or argument, any sum or sums within

the limits of ____________________ [amount of guarantee]1 as aforesaid without your needing to prove or to show

grounds or reasons for your demand for the sum specified therein.

We hereby waive the necessity of your demanding the said debt from the Contractor before presenting us

with the demand.

We further agree that no change or addition to or other modification of the terms of the Contract or of the

Works to be performed thereunder or of any of the Contract documents which may be made between you and the

Contractor shall in any way release us from any liability under this guarantee, and we hereby waive notice of any

such change, addition or modification.

This guarantee shall be valid until 28 days from the date of expiry of the Defects Liability Period.

Signature and seal of the guarantor _____________________________

Name of Bank ____________________________________________

Address ____________________________________________

Date ____________________________________________

__________________

1 An amount shall be inserted by the Guarantor, representing the percentage of the Contract Price specified in

the Contract including additional security for unbalanced Bids, if any and denominated in Indian Rupees.

121 NCB.CW/W-1

Annex - D

BANK GUARANTEE FOR ADVANCE PAYMENT

To: Birla Vishvakarma Mahavidyalaya, Vallabh Vidyanagar [name of Employer]

Mota Bazar, Vallabh Vidyanagar, Anand-388120 [address of Employer]

___________________________________________[name of Contract]

Gentlemen:

In accordance with the provisions of the Conditions of Contract, subclause 51.1 ("Advance Payment") of

the above-mentioned Contract, ________________________________ [name and address of Contractor]

(hereinafter called "the Contractor") shall deposit with ________________________ [name of Employer] a bank

guarantee to guarantee his proper and faithful performance under the said Clause of the Contract in an amount of

_____________ [amount of guarantee] 1_________________________________ [in words].

We, the ____________________ [bank or financial institution], as instructed by the Contractor, agree

unconditionally and irrevocably to guarantee as primary obligator and not as Surety merely, the payment to

____________________ [name of Employer] on his first demand without whatsoever right of objection on our part

and without his first claim to the Contractor, in the amount not exceeding ____________________ [amount of

guarantee]1 __________________________________ [in words].

We further agree that no change or addition to or other modification of the terms of the Contract or of

Works to be performed thereunder or of any of the Contract documents which may be made between

_____________________ [name of Employer] and the Contractor, shall in any way release us from any liability

under this guarantee, and we hereby waive notice of any such change, addition or modification.

This guarantee shall remain valid and in full effect from the date of the advance payment under the Contract

until _________________________ [name of Employer] receives full repayment of the same amount from the

Contractor.

Yours truly,

Signature and seal: _______________________________

Name of Bank/Financial Institution: _________________

Address: _______________________________________

Date: ____________________

__________________________

1 An amount shall be inserted by the bank or financial institution representing the amount of the Advance

Payment, and denominated in Indian Rupees.

NR/ls Tuesday, October 26, 2004

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