KERALA STATE ELECTRONICS DEVELOPEMENT CORPORATION
KELTRON TOOL ROOM CUM TRAINING CENTRE, KUTTIPPURAM
Part Description Page
1.0 NOTICE INVITING TENDERS 2-4
2.0 INSTRUCTIONS TO TENDERERS 5-9
3.0 MEMORANDUM 10-11
4.0 TERMS OF PAYMENT 12
5.0 DEFINITION OF TERMS 13-14
6.0 TECHNICAL SPECEFICATION 14-59
7.0 PROJECT & SITE INFORMATION GENERAL 60
8.0 TENDER FORM 61
9.0 GENERAL CONDITIONS OF CONTRACT 62-79
10.0 DRAFT AGREEMENT 80-81
11.0 AFFIDAVIT OF CONTRACTOR 82
Keltron Tool room cum Training centre, Kuttippuram 1
KERALA STATE ELECTRONICS DEVELOPEMENT CORPORATION LTD.
KELTRON TOOL ROOM CUM TRAINING CENTRE, KUTTIPPURAM
PART 1- NOTICE INVITING TENDERS
The General Manager, KELTRON TOOL ROOM CUM TRAINING CENTRE,
KUTTIPPURAM, and invites two part sealed tenders from reputed civil contractors in
DUPLICATE, for the construction of the project building as per the specification and terms
& conditions forming part of the tender.
1.0 Eligibility criteria for contractors
a) Average turnover in one year should not be less than 5 crore , while
considering the previous 3 year’s civil work
b)Should have taken at least one work order of more than 2 crore, while
considering last 3 years
c)Should have taken at least two work order of more than 1.5 crore, while
considering last 3 years
Should have taken at least four work order of more than 75 lacks, while
considering last 3 years
1.1 Tenderer shall note the following address for the purpose of correspondence with
respect to this tender
The General Manager
Keltron Tool Room cum Training Centre, Kuttippuram
Keltron Tool room cum Training centre, Kuttippuram 2
1.2 Tender documents are to be returned duly completed and signed as stipulated in
the memorandum. No alteration of any kind shall be made in the tender documents.
If the tenderer deems it is very essential to explain anything, he may do so in a
separate covering letter.
1.3 Part-I( Techno-commercial bid)
This part of the tender shall include/contain
a) Technical details confirming/giving compliance to each parameter contained
in the specification
b) Reference list for the similar projects executed
c) Conformity to the terms and conditions forming part of the tender
d) EMD in the form of DD (1% of the offer value) drawn on a nationalized bank
favoring KELTRON payable at Ernakulam or Aroor. Offers without EMD are
liable to be rejected without any notice.
No price details are to be shown in any of the above documents. If the
tenderer includes price details of any nature with part I, such tenders are liable
to be rejected.
Part-II( PRICE bid)
This part should only contain the details of the price
Offers submitted by fax/email will not be considered at all and are liable for
rejection without any notice to the tenderer
1.4 The Tender should be in sealed envelope for Techno-commercial Bid and for Price
Bid and endorsed with the name of the work clearly written thereon, should be
delivered at the address indicated in the memorandum, on or before the due time
and date specified. Tenders will be opened at the office as per the time and date
indicated in the tender form
1.5 The Client reserves the right to extend the period, to reject any or all the tenders
and/or accept the lowest or any other tender, in whole or in part, without assigning
any reason whatsoever thereof.
1.6 The Tenderer’s attention is directed to the requirements of materials; materials
conforming to the Bureau of Indian Standard Specification shall be used on the
work, and the tenderer shall quote his rates accordingly.
1.7 Rates relating to the supply of materials shall include all statutory levies such as:
Excise Duty, Sales Tax, service Tax and all other applicable taxes and levies.
1.8 Tenderers are deemed to have inspected the site and to have made all required
investigations regarding the nature, extent and scope of work to be executed. No claim
of any kind shall be entertained at any time, on account of lack of knowledge of the
details thereof, such as: climatic, law and order, labour conditions, etc.
1.9 The contractor shall commence the work within 7 days from the date of award of
contract, or letter of intent, whichever is earlier, failing which the Client reserves the
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right to take any steps by way of cancellation of contract without prior notice to the
1.10 The Contractor is also required to pay retention money @ 5% of the value of the
work done, which will be deducted on pro-rata basis from each running bill which
will be returned to the contractor after satisfactory completion of the work certified
by the competent authority.
1.11 The tender shall remain open and firm for acceptance for 15 days from the date of
opening of tender. No notice shall be entertained regarding any change during this
period unless mutually agreed to between the Client and the tenderer.
1.12 The Earnest money deposit of the unsuccessful tenders will be refunded within 30
days from the date of award of contract to the successful tenderer. Earnest Money
deposited shall not carry any interest.
1.13 The entire work should be completed in all respects within the time stipulated in the
tender from the date of letter of intent, or award of contract, whichever is earlier. In
the event of the contractor failing to comply with the approved work schedule, he
shall be liable to pay a penalty as per Clause 9.46 of part-9
1.14 The work has to be carried out as per the instructions and full satisfaction of the
Client/Consultant or their authorized representative(s). In case the contractor fails to
commence the work within 7 days without any lawful excuse under these conditions
of contract, or has suspended the progress of the work for 14 days during the
contract period and has failed to proceed with such due diligence as would enable
the work to be completed within the time agreed upon, the Client shall be at liberty
to terminate the contract as per conditions of contract and proceed to claim other
damages from the contractor, in addition to the forfeit use of his security deposit,
which shall be deemed to have automatically occurred.
1.15 The rates shall be quoted both in words and figures without any ambiguity and in
case of doubt the rates written in words will prevail.
1.16 No claim regarding increase in the accepted rates shall be allowed to the contractor
for any reason whatsoever till completion of the work.
1.17 On acceptance of tender the contractor shall intimate the names of his accredited
representative(s) who would be responsible for taking instructions from the
Client/Consultant for carrying out the work.
1.18 No part of the contract shall be sublet without the written permission from the
Client/Consultant nor shall any transfer be made by any power of attorney
authorizing others to receive payments on behalf of the contractor.
1.19 Each tenderer shall submit with his tender a list of major works of this nature
executed/being executed by him, giving details as to their magnitude, cost and the
time within which works were completed/ expected to be completed.
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PART 2- INSTRUCTIONS TO TENDERERS
2.1 Time and Place of Submission of tender
Proposal of work shall be submitted in 2 part for Techno-commercial and price bid
in separate sealed envelopes in duplicate and the envelopes should be titled as 1)
Techno-commercial bid for Civil works for Kuttippuram Tool room project and
2) Price Bid for Civil works for Kuttippuram Tool room project. The tenders
complete in all respects should reach to the General Manager, Keltron Tool Room
cum Training centre, Kuttippuram, Project Office ,Aroor-688 534,Kerala before
1300 hrs on 21/08/2010
2.2 Right to Reject or Accept
The General Manager reserves the right to reject any proposals those are not in
conformity to the tender conditions. All late tenders will be rejected without notice to
2.3 Supplementary Information
Prior to the submission of a proposal all questions or requests for supplementary
information shall be directed to the Client/Consultant at the above address. Each
bidder, after carefully examining the Plans and Specifications, and prior to the
submission of the proposal, shall bring to the attention of ERG any errors,
omissions or inconsistencies which may appear, and will obtain Prima Arch written
instructions on such matters.
2.4 Plans and Specifications
The Bidder shall upon notification of contract award shall return all such plans and
specifications complete and in an unmotivated conditions without marks and
annotations to the client
2.5 Contract Documents
The Contract Documents shall consist of the Contract, its General Conditions, the
Plans, all Addenda issued by the Client/Consultant prior to the signing of the
Contract, and all notes, corrections, and inter-lineation and other changes made on
the above prior to the signing of the Contract, all as identified by the dated initials of
The form of Contract which is proposed for use on this project is that which is
transmitted with these instructions. No other terms, conditions, or modifications
2.7 Before tendering, the tenderer shall visit the site of the works in order to acquaint
himself with the general nature of the site, subsoil, site levels, access, working
space etc., and any other features likely to affect his tender and the construction of
the work and shall also carefully examine the conditions of contract and
specifications (including any drawings and other specifications referred to therein)
the tender form, the contract drawings, the schedule of quantities, Tenderer should
examine if there is, in his opinion any ambiguity in or discrepancy between any of
these documents or between figured and measured dimensions upon the drawings,
it shall be the sole responsibility of the tenderer to ask for and obtain clarifications in
writing BEFORE THE CLOSING DATE FOR SUBMISSION OF TENDERS, from the
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2.8 The tenderer shall note that the conditions of contract and the specifications, are to
be strictly adhered to and that no extra charges or claims in respect of extra work
will be allowed, unless such extra work is clearly outside the spirit and meaning of
the specifications and the conditions of the contract and is ordered in writing and
claimed for in the prescribed manner and at the prescribed time.
2.9 Access to the site will be given to the tenderer during the tender period by
appointment, on application to the Client/Consultant.
2.10 The tender shall be made in accordance with the issued drawings and with the
requirements and stipulations of the documents annexed to these instructions.
2.11 The drawings issued are for the general guidance of the contractor and detailed
working drawings wherever necessary will be issued after the acceptance of the
tender and before/during the construction of the works.
2.12 The tenderer shall complete and submit the following for the tender to be considered
(a) Complete set of tender documents as given duly filled in and signed by the
(b) The time schedule of construction.
(c) Information regarding the tenderer in the Performa enclosed under the head
`INFORMATION ABOUT TENDERER'
(d) A list of plant and equipment proposed to be deployed at the works in the
(e) A list of personnel proposed to be employed on the work.
(f) Details of Tenderer's financial status and the name of Tenderer's Banker(s) to
whom reference may be made about the Tenderer's Firm.
(g) Information on technical and commercial deviations, if any, in the PROFORMA
(h) Latest income tax clearance certificate.
The information on each of the documents called for above shall be signed and
dated. TENDERS NOT ACCOMPANIED BY ANY OF THE ABOVE PARTICULARS
ARE LIABLE TO BE REJECTED.
2.13 The Tender Form and the documents attached to it shall not be detached from one
another and no alteration or mutilation (other than filling in of the blank space
required), shall be made to any of the documents attached hereto.
2.14 Any comment, which the tenderer may wish to make, shall not be placed on any of
the attached documents but shall be on a separate statement in triplicate, with each
set of documents. Such statement shall be as brief as possible and must be made
with reference to the items, clauses and pages in the attached documents.
2.15 In case the tenderer envisages any deviations from the terms and conditions, or
schedule of quantities, or technical & detailed specifications contained in this tender
document, he may clearly point out such deviations in the “PROFORMA FOR
DEVIATIONS” attached to Section 2 of the tender document.
2.16 The rates quoted by the tenderer for a particular type of work shall be the same
irrespective of its location in the site.
2.17 If there is any discrepancy between the rate and amount entered for any item in the
bills of quantities, the `Rate' shall be taken as correct and the `Amount' will be
adjusted accordingly by the Client/Consultant to correct errors in addition of the
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2.18 Prior to the date for submission of tenders, the Client/Consultant may issue
addenda to clarify or modify the tender documents. A copy of the addenda will be
issued to every tenderer and shall become part of the tender documents. Receipt of
each addendum must be acknowledged.
2.19 The tender documents duly completed in all respects, shall be delivered together
with all particulars called for in clause above in plain sealed envelope as already
detailed within the date and time specified to the address as notified in the
Memorandum. All tender drawings issued by the Client/Consultant shall also be
returned duly signed along with the tender at the same time in the same envelope.
2.20 Tenders shall remain valid for 90 days from the closing date for the submission of
the tender stipulated in the Memorandum and no tenderer may withdraw his tender
within this period: In the event of such withdrawal, the Earnest Money Deposit shall
be forfeited and the said tenderers will also be responsible for the losses and
damages sustained or to be sustained by the company in arranging the work through
any other agency/agencies.
2.21 The tenderer, shall treat the contents of the tender documents as private and
confidential, whether or not he submits the tender.
2.22 Client does not bind himself to accept the lowest or any tender. Client reserves the
right to reject any tender without assigning any reason therefore. The Client will not
be responsible for or pay any expenses or losses which may have been incurred by
any tenderer, in connection with the visits to and examination of the site and in
preparation and submission of this tender.
2.23 These instructions to tenderer shall form part of the tender and the contract.
Tenders not complying with these instructions are liable to be rejected.
2.24 The Client/employer reserves the right to award any part of work to different
agencies or all the parts or any combination of parts of the work to one agency. The
decision of the Client/employer shall be final on this matter.
2.25.1 The successful contractor shall take out a Contractor's All Risk (CAR) Insurance
policy for the full amount of the contract valid till the expiry of the defects liability
period, within 15 days of the award of contract or issue of a letter of intent,
whichever is earlier, jointly in the name of the Client/employer and the contractor
and the original policy shall be deposited with the Client/employer.
2.25.2 The Contractor shall not be allowed to commence work at the site nor receive
payment under the content he has obtained all insurance required to be maintained
by him under this contract. The insurance policies shall cover all work performed
under this contract by the contractor, his sub contractors and all their employees,
agents and representatives, and by any other persons, firm and organization for
whom of any of them is responsible.
2.25.3 Renewal certificates covering the renewal of all policies expiring during the life of
the contract shall be filed with the owner not less than thirty day before the
expiration of such policies.
2.26 Ownership of Idea and Documents
2.26.1 All plans, drawings, sketches, notes, designs, specifications, proposals,
photographs, computer programs substantially paid for with the Owner’s funds,
technical reports, operating manuals, data compilations, and other documents
which are delivered to or from the owner pursuant to this contract or which are
developed or produced and paid for by the Owner under this contract shall be ‘Work
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made for hire’, the Contractor agrees to assign and does hereby assign to the
Owner the entire copyright in such item.
2.26.2 All portions of the Contract Documents, other documents, and copies thereof
furnished by the Owner or furnished to the Owner by the Contractor, and made
according to the Owner’s requirements or incorporating any of the Owner’s ideas or
technology, are and shall remain the Owner’s property. In addition, all patentable
and un patentable inventions, discoveries, and ideas which are made or conceived
by the Contractor during the term of this Contract and ninety(90) days thereafter,
and which are based on the Work performed by the Contractor for the owner, shall
also be the owner’s property. Submission or distribution of information to meet
official regulatory requirements or for other purposes in connection with Project
shall not be construed as publication in derogation of the owner’s copyright or other
2.27 Confidential Information: Advertising by Contractor
During the term of this Contract, it is anticipated that the owner will disclose to the
Contractor, or the Contractor will otherwise acquire, documents, ideas, and other
information of the type mentioned above, as well as additional information which is
confidential or proprietary to the Owner. The Contractor shall use all such
information only for the direct and sole benefit of the Owner, and will not disclose
this information to others without the Owner’s express written authorization. In
particular, this information shall not be used on any other project by the Contractor
or any subcontractor, sub-subcontractor, manufacturer, fabricator, supplier,
distributor, or other party without the prior written approval of the Owner. With the
exception of one set of contract documents for the contractor, all such documents
and all copies shall be returned or suitably accounted for to the owner at the
completion or termination of the work.
The restrictions of paragraph 2.26, above shall continue for ten (10) years following
the also performance of work under this contract. These restrictions do not apply to
information which the Contractor can establish by his written records was in his
possession which the Contractor can establish by his written records was in his
possession prior to disclosure of it by the owner, or which is or becomes public
knowledge through no fault of the Contractor, or which the contractor acquires form
others who are not under an obligation of secrecy to the owner.
Unless authorized by the owner, the Contractor will not remove from the owner’s
premises, retain, or disclose to others any documents, files, records,
correspondence, notes, or other papers, including copies, relating to the present or
future business of the owner. The contractor will hold these items in confidence and
promptly return them and all copies, except one set of Contract documents, to the
owner upon request or upon termination of the Contractor’s work under this
The Contractor shall not advertise, publish, or otherwise disclose to any third party
in any manner whatsoever the act or nature of his association with the owner
without first obtaining the express written permission of the owner’s corporate
Notwithstanding the provisions of paragraph 2.26 the contractor may disclose the
owner’s confidential information to subcontractors (including vendors), regulatory
authorities, or others as necessary to meet the Contractor’s obligations under this
contract, provided the contractor(1) advises the owner prior to the disclosure, and
(2) uses his best efforts to secure confidential treatment of the information by the
recipients of it.
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If the contractor discloses to the owner any suggestions, idea, invention, or other
information, the owner shall receive it on a non confidential basis only and shall
have no liability due to the owner disclosure or use of such information except
liability for infringement of a valid existing or future patent issued on it.
2.28 Maintaining Register for cement, and steel in the site
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PART 3 - MEMORANDUM
1. Name of the work : Tool Room cum Training Centre,
2. Earnest Money Deposit : Rs.3,00,000/- DD in favour
Keltron payable at par at
3. Date up to which the rates are to remain firm :Till the issue of final certificate of
virtual completion of work
4. Time for completion of work : 3 months from the work order date
5. Due date and time of receipt of tender : 1300 hrs on 21 August 2010
6. Due date and time of opening of
Technical bid : 1500 hrs on 21 August 2010
7. Completed tender shall be submitted to : The General Manager
Keltron Tool Room cum Training
8. Place of opening of tender : Project office
9. Validity for acceptance of Tender : 15 days from the last date of
receipt of tender
10. Period of commencement : 7 days from the date of award of
contract, or issue letter of intent
whichever is earlier
11. Retention Money : 10% to be deducted from running
12. Terms of payments : As mentioned in the next page
13. Defect liability period : 365 days from virtual completion of
14. Liquidated damages : 0.5% per week or part thereof to a
maximum of 5% of the accepted
value of the contract
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Dated this . . . . . . . . . . . . . . . . . . . . . . . . . . . . day of . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . .. .2010
Signature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . in the capacity of. . . . . . . . . . . . . . . .
. . . . .. . . . . .
duly authorized to sign tenders for and on behalf of. . . . . . . . . . . . . . . . . . . . . . .. . . .
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PART 4 - TERMS OF PAYMENT
1. No advance payment. 70% of the running bill payment will release within 7
days of acceptance of the bill and the balance will be released after checking
2. The contractor shall raise fortnightly bills for the portion of the actual work
executed after they have been duly measured and certified by the Consultant.
However, the minimum bill value shall not be less than 25 Lacs. Summary or
abstract sheets with 3 copies of measurement sheets and a copy of the
measurement book shall be submitted with each bill. 60% of the billed amount
shall be released within 7 days of certification of the bill and the balance 40%
within 14 days of the certification of the bill after making necessary deductions.
3. No interim payment will be made.
4. The Client/Consultant shall have power to make any correction or modification
to any previous certificate or to withhold any certificates of the works, to any
part thereof, which are not being carried out to his satisfaction.
5. The bill shall be prepared methodically and as per rules of preparations of
measurement books. If the Consultant/Client finds any mistake in the
bills/measurement sheet or absence of any detailing, the bill along with
measurement books will be returned to the contractor for re-preparing the
same as per Client/Consultant's requirement. Measurement books should be
jointly signed by the Client/Consultant and Contractor before billing.
6. The Contractor shall submit an affidavit in the format as mentioned in Part 10
Section 1 after each bill payment.
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PART 5 Definition of Terms
5.1 `CLIENT/EMPLOYER' shall mean Keltron and shall include their successors and assigns, as well as
their authorized officers/representatives.
5.2 `TENDERER' shall mean the firm/party who quotes for this enquiry.
5.3 `CONTRACTOR' shall mean the successful tenderer whose tender has been accepted
by Client/employer and on whom the order is placed by Client/employer and shall
include his heirs, legal representatives and assigns.
5.4 `CONTRACT' shall mean and include the following:
Notice inviting tender, Instructions to tenderers, Memorandum, Definitions of terms,
Specifications of Tender documents, Project and site information - general, Tender
form, General conditions of contract, Draft agreement, Technical specifications,
Detailed specifications, Schedule of quantities, attached Appendices and work
order, letter of intent and all other connected correspondences.
5.5 `CONSULTANT/CONSULTANT/ENGINEER IN-CHARGE/ENGINEER' shall or their
duly authorized representative(s) mean Prima Arch. who are empowered by
CLIENT/EMPLOYER to act on behalf of the CLIENT/EMPLOYER and all references to
CLIENT/EMPLOYER in this document shall be read in conjunction with the context of
5.6 `SUB-CONTRACTOR' shall mean the person named in the contract, undertaking a part
of the work or any person to whom a part of the contract has been sublet, with the
consent, in writing, of Client/Consultant and the heirs, legal representative, successors
and assigns of such person.
5.7 `SITE' shall mean the actual place of the proposed project, as detailed in the project
and Site information.
5.8 `MONTH' shall mean calendar month.
5.9 `WRITING' shall include any manuscript, typewritten or printed statement, under or
over signature of seal as the case may be.
5.10 `CONTRACT PRICE' shall mean, if there is a formal agreement, the prices referred to
in the agreement or if there is no formal agreement, the price agreed to be the value of
5.11 `COMMERCIAL USE' shall mean that use of work, which the contract contemplates or
that for which commercially usable.
5.12 The words `APPROVED' and `APPROVAL', where used in the specifications shall
mean, respectively, approved by and approval of the Client/Consultant.
5.13 `CONTRACT' OR `PURCHASE ORDER' shall mean the order and associated contract
documents and specifications executed by Purchaser and Vendor including other
documents agreed between the parties, or implied to form a part of the contract.
5.14 `SPECIFICATIONS' shall mean collectively all the terms and stipulations contained in
those portions of the contract known as General Conditions, the specifications and
such amendments, revisions, deletions or additions, as may be made, pertaining to the
method and manner of performing the work or to the quantities and qualities of the
materials to be furnished under this contract.
5.15 `PLANT', `EQUIPMENT’, `WORK' or `WORKS' shall mean, respectively, the goods to
be supplied and services to be provided by the Contractor under the work order or
5.16 The word `MANUFACTURER' refers to a person or corporation who is furnishing
material or equipment.
5.17 `TESTS ON COMPLETION' shall mean such tests as are prescribed in the
specifications, to be done by the contractor before the plant is taken over by the
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5.18 `ENGINEER'S INSTRUCTIONS' shall mean any drawings and/or instructions given
orally or in writing, details, directions and explanations issued by the Client/Consultant,
from time to time, during the contract period.
5.19 Words importing `PERSONS' shall include Firms, Companies, Corporations, and other
bodies, whether incorporated or not.
5.20 `NOTICE IN WRITING' or `WRITTEN NOTICE' shall mean a notice in written, typed or
printed characters sent (unless delivered personally or otherwise proved to have been
received) by registered post to the last known private or business address or registered
office of the addressee and shall be deemed to have been received when, in the
ordinary course of post, it would have been delivered.
5.21 `VIRTUAL COMPLETION' shall mean that all work is completed as directed and the
site is cleared to the satisfaction of the Client/Consultant.
5.22 Words importing the singular only shall also include the plural and vice versa, where
the context so requires.
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PART 6 -TECHNICAL SPECEFICATION
1 CONCRETE IN FOUNDATION
This covers the construction of simple types of spread foundations for buildings.
Heavy foundations such as wide strip foundations, raft foundations and pile foundations
are not covered in this specification.
Cement: This shall be ordinary port land cement confirming to IS 269.
Coarse Aggregate: This shall confirm to IS 383 specification for coarse and fine
aggregate from natural sources for concrete. Hard broken stone used as coarse
aggregate shall be of size not less than 40mm.
Sand: This shall mean a fine aggregate which shall pass through a IS sieve no. 480
(3/16” in B.S.) test sieve, leaving a residue not more than 5%.
The sand shall be clean, strong, granular and composed of hard siliceous material. It
shall be free from harmful impurities such as mica, shale or similar laminated materials,
salts, alkalis and organic matter.
Pit sand, fresh water, river or lake sand is preferable. Sea sand, if used, shall be
thoroughly washed to remove salt content. Sea sand must be tested for organic impurities
Water: Water used for making mortars and concrete shall be clean and free from
injurious amounts of deleterious materials. Generally, potable water is considered
Cement Concrete: The concrete shall be proportioned and mixed as laid down in IS 456.
Reinforced concrete work shall be executed in accordance with IS 456.
PREPARATION FOR CONCRETING:
After excavation, the bottom of the excavation shall be cleared of all loose soil and
rubbish and shall be leveled. Where necessary, the bed shall then be wetted and
compacted by heavy rammers to an even surface.
Proportioning shall be done by volume. Boxes of suitable size shall be used for
measuring sand and ballast. The size of the boxes shall be such as to suit a batch of one
bag of cement in the proportion of the mix. While measuring ballast, shaking, ramming or
hammering shall not be done.
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The concrete shall be laid in position in layers not exceeding 15 cms. The concrete shall
not be thrown from a height but gently placed on such a way that segregation does not
occur. Each layer shall be well rammed with wooden rammers until the mortar creams to
the surface. No water shall be added during ramming but the surface of each layer shall
be wetted and well scoured with trowel and wire brushes before the next layer is added.
No ramming shall be done after the cement has commenced to set. During cold weather,
concreting shall not be done when temperature falls below 4 degC (40 deg F). The
concrete shall be protected against frost by suitable covering. Concrete damaged by frost
shall be removed and work re-done. During hot weather precaution shall be taken to see
that the temperature of concrete does not exceeded 380 C . No concrete shall be laid
within half an hour of the closing time of the day.
After the concrete has begun to harden i.e. about 1 to 2 hours after its laying it shall be
protected from drying, with moist gunny bags, canvas or any other material approved by
IOC Engineer. After 24 hours of laying concrete the surface shall be cased by flooding
with water of minimum 2.5 cms depth or by covering with wet absorbent materials. The
curing shall be done for a minimum period of 10 days. On the foundation concrete the
masonry work may be started after 72 hours of its laying, but the curing of cement
concrete shall be continued along with the masonry work for a minimum period of 10
Measurement shall be done as per IS 1200 (Part-II)
LAYING CEMENT CONCRETE IN FLOORING
This covers lying of cement concrete in flooring.
Cement: Cement shall be ordinary Portland cement conforming to IS 269.
Aggregates: Aggregates shall confirm to the requirements of IS 383.
Coarse aggregate : The grading of coarse aggregate shall be within the limits given in the
table below :
I.S. Sieve Percentage passing of nominal size
mm 40 mm 20mm 16mm 12.5
40 90 to 100 100 - -
20 30 to 70 95 to 100 100 100
16 - - 90 to 100 -
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12.5 - - - 90 to 100
10 10 to 35 25 to 55 30 to 70 40 to 85
4.75 0 to 5 0 to 10 0 to 10 0 to 10
2.36 - - - -
2.1.1 Fine aggregate : The grading of fine aggregate shall be within the
limits of one of the two zones given in the table below :
I.S. Sieve Designation Percentage Grading By weight passing I.S.
mm. Zone 1. Sieves Grading zone 2
10 100 100
4.75 90-100 90-100
2.36 60-95 75-100
1.18 30-70 55-90
600 micron 15-34 35-59
300 micron 5-20 8-30
150 micron 0-10 0-10
2.1.2 Water: Water used shall be clean and free from oil, acid, alkali
organic or vegetable matter. Generally potable water is considered
Clean and dry storage shall be provided for all materials. The aggregate and cement shall
be thoroughly and efficiently mixed. Mixing shall be done using a mechanical mixer.
Manual mixing may be permitted when the quantity of concrete mixed is small. The mix
shall be used in the work within half-an-hour of the addition of water of its preparation.
LAYING CONCRETE IN FLOORING ON GROUND
Preparation of sub-base
The sub-base shall be thoroughly compacted so that there are no loose pockets left
anywhere in the whole area.
Laying the base concrete
Before placing the concrete the sub base shall be properly wetted and rammed. The
base concrete may be deposited in the whole area at a stretch, thoroughly tampered
and the surface finished level with the top edges of the forms. The surface of base
concrete shall be left rough to provide adequate bond for the topping. Two or three
hours after the concrete has been laid in position, the surface shall be brushed with a
hard brush to remove any laitance and swept clean so that the coarse aggregate is
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Flooring shall be measured in sq. m. Length and breadth hall be measured correct to a
cm. between the finished faces of wall plaster or between the faces of skirting or dado if it
has been provided. No deduction shall be made nor extras paid for any opening on the
floor up to 0.1 sqm. No extra payment shall be made for laying the floor at different levels
in the same room or courtyard.
PREPARATION OF SURFACE & LAYING
Sub grade on which the tiles are to be laid shall be cleaned, wetted and mopped. The
bedding for the tile shall be with cement mortar 1:3 or as specified. The average
thickness of the bedding shall be 13mm while the thickness under any portion of the tiles
shall not be less than 9.5mm. The tiles shall be soaked by submerging in water for at
least six hours before fixing.
Mortars shall be spread, tamped and corrected to proper levels are allowed to harden
sufficiently to offer a fairly rigid cushion for the tiles to be set and to enable the mason to
place wooden plank across and squat on it.
Over this mortar bedding neat grey cement slurry of honey like constancy shall be spread
at the rate of 3.29 Kgs. per sq. mm. over such an area as would accommodate about
twenty tiles. Tiles shall be washed clean and shall be fixed in this grout 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 kept as thin as possible and in straight lines or
to suit the required pattern.
The surface of the flooring during lying shall be frequently checked with a straight edge at
least 2m long, so as to obtain a true surface with the required slope.
When full size tiles cannot be fixed these shall be cut (sawn) to the required size, and
their edges rubbed smooth to ensure straight and true joints.
Tiles which are fixed in the floor adjoining the wall shall enter not less than 13mm under
the plaster, skirting of dado. After the tiles have been laid, surplus cement grout shall be
POINTING AND FINISHING
The joints shall be cleaned of the grey cement grout with a wire brush or trowel to a depth
of 5mm and al dust and loose mortar removed. Joints shall then be flush pointed with a
cement of same shade as tiles. The floor shall then be kept wet for 7 days.
After curing, the surface shall be washed and finished clean.
The finished floor shall not sound hollow when tapped with a wooden mallet.
Glazed tile flooring shall be measured in Sqm. Length and breadth shall be measured
correct to a cm between the exposed faces of skirting or dado where the junction of
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flooring with skirting or dado is square. Where covers are used at the junctions, the length
and breadth shall be measured between the lower edges of the caves.
No deduction shall be made not extras paid for any opening in the floor of area upto 0.1
sqm. Nothing extra shall be paid for laying the floor at different levels in the same room.
Treads steps over 30cm depth when paved with glazed tiles shall be measured as
flooring only without any extra. Extra shall however be paid for areas of treads whose
depth does not exceed 30cm.
2 STEEL WORK FOR GENERAL CONSTRUCTION
General: This applies to the General steel construction work unless otherwise specified.
Steel: Tested steel conforming to I.S. 226 shall be used unless otherwise specified.
All finished steel shall be well and cleanly rolled to the dimensions, sections and weights
specified or required subject to permissible tolerance as given in IS:226. It shall be free
from cracks, surface flaws, laminations, rough and imperfect edges and other visible
Steel sections shall be well protected and free from excessive rust and scaling. The
decision of site Engineer regarding rejecting any steel section on account of excessive
rust and scaling shall be final and binding on the contractors.
Black Bolts: These are also known as Machine bolts and are made from rods as they
come from the rolling mills and are not finished to exact size.
Turned and fitted bolts: These bolts are made in an automatic lathe machine which turn
the bolts to exact diameter.
STEEL WORK IN SINGLE SECTIONS OF R.S. JOISTS, FLATS, TEEES, ANGLES AND
Straightening, shaping to form and cutting: The steel sections as specified or required,
shall be straightened and cut square and to correct lengths and measured with a steel
tape. The cut ends exposed to view shall be finished smooth. No two pieces shall be
welded or otherwise joined to make up the required length of a member.
All straightening and shaping to form, shall be done by pressure are not by hammering.
Any bending or cutting shall be carried out in such a manner as not to impair the strength
of the metal.
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Painting: Before hoisting, steel work shall be thoroughly cleaned rust, loose scales, dust
etc., and given one coat of red lead paint are over the surfaces inaccessible after placing
in position, where two coats of red lead paint shall be applied.
Hoisting and placing in position: Steel work shall be hoisted and placed in position
carefully, without any damage to itself and other building work and injury to workmen.
Where necessary mechanical appliances such as lifting tackle, winch etc. shall be used.
Measurement: Finished sections shall be measured in running meters correct to 3mm
and their weights calculated on the basis of which steel is supplied to the contractor by
the department or from standard tables if the steel is arranged by the contractor.
STEEL WORK RIVETED AND BOLTED, IN BUILT-UP SECTIONS, TRUSSES AND
Laying Out: Steel structure shall be laid out on a level platform to full scale and to full size
or in parts, as shown on drawings or as directed by the Site Engineer. A steel tape shall
be used for measurements.
Wooden templates 1.5 cm to 2 cms thick, or sheet metal templates shall be made to
correspond to each member and plate and river holes shall be marked accurately on
them and drilled. The templates shall be laid on the steel members, and the holes for
riveting and bolting marked on them. The ends of the steel members shall also be marked
for cutting. The base of steel columns and the position of anchor bolts shall be carefully
Straightening, shaping to form and cutting:
All stiffeners shall be formed by pressure; and where practicable in making these, the
metal shall not be cut and welded.
In major works, or where so specified, shop drawings giving complete information for the
fabrication of the component parts of the structure including the location, type size, length
and details of rivets, bolts or welds, shall be prepared in advance of the actual fabrication
and approved by the Site Engineer. The drawings shall indicate the shop and field rivets,
bolts and welds. The steel members shall be distinctly marked or stenciled with paint with
the identification marks as given in the shop drawings.
The bars shall be thickened at the ends so as to provide for screwed threads and
gradually tapered off to meet their normal section.
Great accuracy shall be observed in the fabrication of various members, so that these
can be assembled without being unduly packed, strained or forced into position and when
built up, shall be true and free from twist, binks, buckles or open joints.
Assembling : Before making holes individual members, for fabrication the steel work
intended to be riveted or bolted together shall be assembled and clamped properly and
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tightly so as to ensure close abutting, or lapping of the surface of the different members.
All stiffeners shall bear tightly both at top and bottom without being drawn or caulked. The
abutting joints shall be cut or dressed true and straight, and fitted close together.
Web splice plates and fillers under stiffeners shall be cut to fit within 3mm of flange angle.
Web plates of girders, which have no cover plates shall have its ends flush with the tops
of angles forming the flanges, unless otherwise required. The web plates, when spliced,
shall have clearance of not more than 6mm.
Column splices and butt joints of struts and compression members depending on contact
for stress transmission shall be accurately machined and close-butted over the whole
section. In column caps and bases, the ends of shafts together with the attached gussets,
angles, channels, etc. after riveting together, shall be accurately machined so that the
parts connected, but against each other over the entire surfaces of contact. Connecting
angles or channels shall be fabricated and placed in position with great accuracy so that
they are not unduly reduced in thickness by machining.
The ends of all bearing stiffeners shall be machined or ground to fit tightly both at top and
Hoisting and erection
General: Steel work shall be hoisted and erected in position carefully, without any
damage to itself, other building work and injury to workmen. The method of hoisting and
erection proposed to be adopted by the contractor shall be got approved by the Site
Engineer. The approval of the Site Engineer, however, shall not relieve the contractor
from his responsibility for the work being carried out in a safe and proper manner without
unduly stressing the various members. Proper plant such as derricks, lifting tackles,
winches, ropes etc. shall be used.
Trusses: These shall be lifted only at nodes. The trusses above 12m shall not be slinged
at the apex, as it will develop compression stresses in the bottom tie member. It shall be
lifted by slinging at two mid points of rafters, which shall be temporarily braced by a
wooden member of a suitable section. After the trusses are placed in position, purlins and
wind bracings shall be fixed as soon as possible.
The end of the truss which faces the prevailing winds shall be fixed with holding down
bolts, and the other end kept free to move. In case of small trusses of spans say up to
12m the free end of the truss shall be laid on lead sheet or steel plate as per design, and
the holes for holding down bolts shall be made in the form of oblong slots, so as to permit
the free movement of the truss end. For large spans, the free end of the truss shall be
provided with suitable rocker and roller bearing.
In sheds open at the sides, the trusses shall be strongly braced together by wind ties both
on the slop and at the tie level so as to secure them against the effect of gales.
The steel columns shall be erected as per drawings truly vertical with the necessary cross
bracing etc. and the base shall be properly fixed with the foundation concrete by means
of anchor bolts etc. as the case may be.
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Holding down bolts and column bases: Anchor bolts shall be placed in the concrete
pedestals while concrete is being poured with a wooden template clamping heir tops to
keep them in position and with a 7.6 cm x 7.6 cm timber mould or pipe around them
which allows the anchor bolts to play for adjustment. The timber mould or pipe shall be
removed after initial set of concrete. The spaces left around anchor bolts shall have a
sloping channel leading to the side of the pedestal and on the underside of the base plate
to allow the spaces being grouted up after the base plate is fixed in the position along
with the column footing grouting shall be of cement mortar 1:3 (1 cement : 3 coarse sand)
or as specified.
Bedding of columns, stanchions etc. : Bending shall not be carried out until the steel work
has been finally leveled, plumbed and connected together. The stanchion shall be
supported on steel wedges and adjusted to bring them in plumb. For multi-storied
buildings, the bedding shall not be done until sufficient numbers of bottom lengths of
stanchion have been properly lined, leveled and plumbed and at least beams of two floors
fixed in position. The base plates shall be wedged clear of the bases by M.S. wedges and
adjusted where necessary to plumb the columns. The gaps under the base plates unto
2.5 cm shall then be pressure grouted with cement grouts.
With small columns if permitted by the Site Engineer the column base shall be floated on
a thick cement grout on the concrete pedestal. The anchor bolt holes in the base plate
may be made about 1.3 cm to 2.5 cm larger than necessary. This would allow for the
adjustment of the base plate relative to the anchor bolts which need not therefore be
surrounded by cylindrical pipes or wooden moulds.
Extensions: When extending or remodeling existing structure, record drawings must be
verified by actual measurements before new work is taken in hand as otherwise packing
up may become necessary in order to make the new work going up accurately with the
Painting : Before the members of the steel structure are placed in position or taken out of
the workshop these shall be painted as given in para 15.2.2 Subsequent coats shall be
applied after all the members are fixed in position finally which shall be paid for
separately. The surfaces shall be thoroughly cleaned and dried before applying the
Measurement : Each member of the steel structure, as fixed shall be measured in running
meter correct to 3 mm and the weights calculate on the basis on which steel is supplied to
the contractor by the department, or from standard tables if the steel is arranged by the
contractors. No deduction shall be made for holes of rivets, bolts etc. Actual sizes of
gusset plates, cleats, splicing plates, rivets, bolts and nuts etc. shall be measured and
3 BRICK WORK
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This covers the construction in brick masonry in general and the erection of brick walls in
particular. Masonry with clay bricks alone is dealt with.
Unless otherwise specified, burnt clay bricks shall conform to the requirements of IS
1077. Mortars for masonry shall be prepared in accordance with IS 2250. Cement shall
be ordinary or rapid hardening port land cement conforming to IS 269. Sand shall be
mean a fine aggregate which shall pass through a IS sieve No. 480 (3 / 16” in B.S) test
sieve, leaving a residue not more than 5%. The sand shall be clean, strong, and granular
and composed of hard siliceous material. It shall be free from harmful impurities such as
mica, shale or similar laminated materials, salts, alkalis and organic matter. Pit sand,
fresh water, river or lake sand is preferable. Sea sand, if used, shall be thoroughly
washed to remove salt content. Sea sand must be tested for organic impurities and salt.
Water used for mortar shall be clean, and free form injurious amounts of deleterious
materials. Potable water is generally considered suitable.
CLASSIFICATION OF BRICK WORK
The brick work shall be classified as first class or second class according to the use of
first class or second class bricks and to the method of laying. The laying thickness of
joints shall not exceed 6mm. In first class brick work and 10mm in second class brick
SOARING OF BRICKS
Bricks required for masonry in cement mortar shall be thoroughly soaked in clean water
for at least one hour n tanks of sufficient size immediately before use. The cession of
bubbles is an indication of thorough soaking of bricks. The soaked bricks shall be kept on
wooden planks or brick platform to avoid earth being smeared on them.
In general, laying of bricks shall be as per IS 2212.
Brick work shall be laid in English bond unless specified otherwise. Half or cut bricks shall
not be used except where necessary to complete the bond. Closers in such cases shall
be cut to the required size and used near the ends of walls.
In first class brick work, selected bricks shall be used for the face work. The bricks shall
be laid by larrying method. A layer of mortar shall be spread on full width for suitable
length of the lower course. Each brick shall first be laid so as to project over the one
below, both at the end and at he side; then pressed into the mortar and shoved into final
position, so as to embed the brick and to fill its inside faces fully with mortar.
In second class brick work, a layer or mortar shall be spread on full width for suitable
length of the lower course. Each brick shall be properly bedded and set home by gentle
tapping with handle of trowel or wooden mallet. Its inside faces shall be buttered with
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mortar, before the next brick is laid and pressed against it. On completion of a course, the
vertical joints shall be fully filled from the top with mortar.
The walls shall be taken up truly plumb. All courses shall be laid truly horizontal and all
vertical joints shall be truly vertical. Vertical joints in alternate course shall come directly
one over the other the thickness of brick courses shall be kept uniform and for this
purpose wooden straight edge with graduations giving thickness of each brick course
including joint shall be used. The height of window sills, bottom of lintels and such other
important points in the height of wall shall be marked on it. In case of first class brick work
with 7cm. thick bricks the thickness of four courses with four horizontal mortar joints shall
be kept as 30.5cms. Bricks shall be laid with frogs upwards. A set of tools comprising of a
wooden straight edge, Mason’s spirit level square, two – foot rule, line and pins string and
plumb shall be kept on the site of the work for every 3 masons for frequent checking
during the progress of work. When less than 2 masons are employed on a job, one
complete set of tools shall be kept.
Both the faces of walls of thickness greater than 225mm shall be kept in proper plane. All
the connected brick work shall be carried up nearly at one level and no portion of the
work shall be left more than one meter below the rest of the work. Where this is not
possible, the work shall be raked back according to bon at an angle not exceeding 45.
All iron fixtures, pipes, outlets of water, holdfasts of doors and windows, etc. which are
required to be built in walls, shall be embedded in cement mortar or in cement concrete
as specified, in their correct position as the work proceeds. Cement concrete shall be
paid for separately.
Safety requirements shall be done as per IS 1905 code of practice for structural safety of
buildings, masonry walls.
Bricks shall be so laid that all joints are quite full of mortar. The thickness of joints shall be
limited to the class of brick work as described in para 16.3 The face joints shall be raked
to a minimum depth of 13mm by raking tool daily during the progress of work when the
mortar is still green, so as to provide proper key for the plaster or pointing to be done.
Where plastering or pointing is not required to be done, the joints shall be struck flush and
finished at the time of laying. The face of brick work shall be cleaned daily and all mortar
BRICK –ON-EDGE COPING & CUT BRICK CORNERS
The top course of all plinths, parapets steps and tops of walls below R.C.C slab shall be
laid with brick on edge, unless specified otherwise. Care shall be taken that the bricks
forming the top corners and ends of walls shall be properly radiated and keyed into
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Green work shall be protected from rain by suitable covering. Masonry work in cement
mortar shall be kept constantly moist on all the faces for a minimum period of seven days.
The top of masonry work shall be left flooded at the close of the day.
For first class brick work, double scaffolding having two sets of vertical supports shall be
provided. Also for second class brick work in buildings having more than two storeys,
double scaffolding shall be provided. The supports shall be sound and strong, tied
together with horizontal pieces over which the scaffolding planks shall be fixed. For
second class brick work in buildings unto two storeys, single scaffolding shall be allowed.
In this case the inner end of the horizontal scaffolding pole shall rest in a hole provided in
the header course only. Only one header for each pole shall be left out. Such holes,
however, shall not be allowed in pillars less than one meter in width, or immediately near
the skew backs of arches. The holes left in masonry work for supporting the scaffoldings
shall be filled and made good, before plastering.
The contractor shall be responsible for providing and maintaining sufficiently strong
scaffolding, so as to withstand all loads likely to come upon it.
Measurement shall be done as per IS 1200 (Part III).
RANDOM RUBBLE MASONRY
Stone shall be of the type specified. It shall be hard, sound, and free from decay and
weathering. It shall be obtained from an approved quarry. Stone with round surface shall
not be used.
Stone shall be hammer-dressed on the face, the sides and the beds, to enable it to come
into close proximity with the neighboring stone. The “bushing” in the face shall not project
more than 4 cm on an exposed face and 1 cm on a face to be plastered.
All stones shall be wetted before use. The walls shall be carried up truly plumb or to
specified batter. Every stone shall be carefully fitted to the adjacent stones, so as to form
near and close joints. Stones may be laid at random without being brought up to any level
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courses except at plinth, window sills and roof level. The bond shall be obtained by fitting
in closely the adjacent stones and by using bond stones.
Face stones shall extend and bond well into the backing. These shall be arranged to
break joints as much as possible, and to avoid long vertical lines of joints. Their height
shall not be greater than the breadth at the face or the depth inwards. The hearing or
interior filling of the wall face, shall consist of rubble stones, not less than 13 cm in any
direction, carefully laid, hammered down with a wooden mallet into position and solidly
bedded in mortar chips and spawls of stone being used wherever necessary to avoid
thick mortar beds or joints and at the same time ensuring that no hollow spaces are left
anywhere in the masonry. The hearting will be laid nearly level with facing and backing
except that at about one meter intervals, vertical “Plums” projecting about 15 to 20 cm
shall be firmly embedded to form a bond between successive courses. The chips shall
not be used below the hearting stones to bring these up to the level of face stone. The
use of chips shall be restricted to the filling of interstices between the adjacent stones in
hearting and these shall not exceed 20% of the quantity of stone masonry.
The masonry in a structure shall be carried out simultaneously. Where the masonry of
one part has to be delayed, the work shall be raked back at an angle not exceeding 45
degree. Toothing in masonry shall not be allowed
APPLICATION OF PLASTER
Ceiling plaster shall be completed before commencement of wall plaster. Plastering shall
be started from the top and worked down towards the floor. All putlog holes shall be
properly filled in advance of the plastering as the scaffolding is being taken down. To
ensure even thickness and a true surface, plaster about 15cmx15cm shall be first applied,
horizontally and vertically at not more than 2 m intervals over the entire surface to serve
as gauges. The surfaces of these gauged areas shall be truly in the plane of the finished
plaster surface. The mortar shall then be laid on the wall between the gauges with trowel.
The mortar shall be applied in a uniform surface slightly more than the specified
thickness. This shall be beaten with thin strips of bamboo about 1m long to ensure
thorough filling of the joints, and then brought to a true surface, by working a wooden
straight edge reaching across the gauges, with small upward and sideways movements
at a time. Finally, the surface shall be finished off true with a trowel or wooden float
according to a smooth or a sandy granular texture, as required. Excessive trowelling or
over working the float shall be avoided. During this process, a solution of lime putty shall
be applied on the surface to make the latter workable.
All corners, arises, angles and junctions shall be truly vertical or horizontal as the case
may be, and shall be carefully finished. Rounding or chamfering corners, arises, junctions
etc. where required shall be done without any extra payment. Such rounding or
chamfering shall be carried out with proper templates to the sizes required.
In suspending work at the end of the day, the plaster shall be left, cut clean to line both
horizontally and vertically. When recommencing the plastering the edge of the old work
shall be scared clean and wetted with the lime putty before the plaster is applied to the
adjacent areas, to enable the two properly join together. Plastering work shall be closed
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to any corners or arises. It shall not be closed on the body of features such as plasters
bands and cornices nor at the corners or arises. Horizontal joints in plaster work shall not
also occur on parapet tops and copings, as these invariably lead to leakages.
No portion of the surface shall be left out initially to be patched up later on.
4 PLAIN & REINFORCED CONCRETE
This deals with the general structural use of plain and reinforced concrete.
For liquid retaining structures, the provisions of this specification shall govern so far as
they are applicable.
The cement shall be ordinary Port land cement or rapid hardening port land cement
conforming to IS 269.
All aggregate shall conform the requirements laid down in articles under I specification.
Aggregates shall have a maximum size of 20mm unless otherwise specified in drawings.
This shall conform to the requirements laid down in article under specification.
Reinforcement: The reinforcement shall be
a. Mild steel conforming to IS 432 (Part I)
b. Deformed bars conforming to IS 1139.
c. Cold twisted steel bars conforming to IS 1786
d. Hard drawn steel wire fabric conforming to IS 1566
e. Structural steel section conforming to IS 226.
All reinforcement shall be clean and free from loose miilscales, dust, loose rust and coats
of paints, oil or other coatings which may destroy or reduce bond.
Welding of reinforcement if found necessary, shall be done in accordance with the
recommendations of relevant Indian Standards for welding of mild steel bars used in
reinforced concrete construction.
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Proportioning shall be done by volume. Boxes of suitable size shall be used for
measuring sand and ballast. The size of the boxes shall be such as to suit a batch of one
bag of cement in the proportion of the mix. The unit of measurement for cement, shall be
a bag of cement weighing 50kg and this shall be taken as 0.035 cu. meter. While
measurement rings the ballast, shaking, ramming or hammering shall not be done.
CONCRETE MIX PROPORTIONS (ORDINARY CONCRETE)
Grade of concrete Total qty of dry Qty of water per 50kg
aggregate by vol. per of cement max. litre
50kg.of cement, to be
taken as the sum of the
individual volumes of
fine and coarse
aggregates Max. litres
M 100 300 34
M 150 220 32
M 200 160 30
M 250 100 27
NOTE : M 100, M 150, M 200 & M 250 of ordinary concrete correspond approximately to
1:3:6 , 1:2:4, 1:1.5:3 and 1:1:2 nominal mixes of ordinary concrete currently used in the
The mixing shall be done by hand or in mechanical mixer when so specified.
Hand mixing shall be done on clean and water tight masonry platform or sufficient size to
provide ample mixing area, stone ballast shall be washed with water to remove dirt, dust
or any other foreign material. The specified mortar mix shall be laid on the top of the
aggregate. The whole shall then be turned over and over with addition of necessary
quantity of water, till a uniform mix of required consistency is obtained. The consistency of
concrete shall be such that mortar shall not tend to separate from the coarse aggregate.
In case of machine mixing, measured quantity of aggregate and mortar for one batch
shall be poured in the drum of the mixer, while it is revolving. The quantity of materials
loaded in the drum shall not exceed the rated capacity of the mixer. The water shall be
added slowly up to the required quantity and the wet mixing of batch shall be continued
for at least one minute in the drum, till a uniform mix of required consistency is obtained
such that the mortar does not tend to separate from the coarse aggregate. The entire
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concrete of the batch are charged into the drum. Mixer shall be cleaned by revolving the
drum with plenty of water each time before suspending the work.
Concreting shall be carried out continuously unto construction joints.
When the work has to be resumed on a surface which has hardened such surface shall
be roughened. It shall then swept clean, thoroughly wetted and covered with a 13mm
layer of mortar composed of cement and sand in the same ratio as the cement and sand
in the concrete mix. This layer shall be freshly mixed and placed immediately before the
placing of the concrete. Where the concrete has not fully hardened, all laitance shall be
removed by scrubbing the wet surface with wire or bristle brushes, without dislodging
particles of aggregate. The surface shall be thoroughly wetted and all free water
removed. The surface shall then be coated with near cement grout.
Concreting shall be thoroughly compacted during the operation of placing.
The use of mechanical vibrators for compacting concrete is recommended provided that
the limit specified for water cement ratio is suitably reduced to avoid segregation.
The concrete shall be covered with a layer of sacking, canvas, hesian, or similar
absorbent materials and kept constantly wet for 10 days from the date of placing of
Alternatively, the concrete being thoroughly wetted may be covered by layer of approved
water proof material which should be kept in contact with it for seven days.
Shuttering shall be either of wooden planking of 3cm minimum thickness with or without
steel sheet lining or of steel plates stiffened by steel angles. The shuttering shall be
supported on batons and beams and props of vertical ballies properly cross braced
together so as to make the form work rigid. In place of balli props, brick pillars of
adequate the form work rigid. The form of work shall be sufficiently strong and shall have
chamber so that it assumes correct shape after deposition of the concrete and shall be
able to resist forces caused by vibration of live of men working over it and other incidental
loads associated with it. The shuttering shall have smooth and even surface and its joints
shall not permit leakage of cement grout.
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If at any stage of work during or after placing concrete in the structure, the form work
sags or bulges out beyond the required shape of the structure, the concrete shall be
removed and work redone with fresh concrete shall be subject to the approval of the Site
Engineer. The completed form work shall be inspected and approved by Site Engineer
before the reinforcement bars are placed in position.
Propping or Centering
The props shall consist of ballies having 10cm minimum dia, measured at mid length and
8 cm at thin end and shall be placed at 1 to 1.25 meters spacing. These shall rest
squarely on wooden sole plates of 4cm thickness and minimum bearing area of 0.1sqm
laid on ground. Double wedges shall further be provided between the sole plate and the
wooden prop so as to facilitate tightening and easing of centering and shuttering without
jarring the concrete.
In case of structures with two or more floors, the weight of concrete, centering and
shuttering of any upper floor shall be suitably supported on at least two floors below the
same. In such cases, the props of the upper floor must necessarily come over the props
of the lower floors. Form work and concreting of the upper floors shall not be done until
the concrete of the lower floor has set for at least 14 days.
The timber used in shuttering shall not be so dry as to absorb water from concrete and
swell and bulge, nor so green or wet as to shrink after erection. Kailwood or such other
kind of timber, which is not affected appreciably by its contact with water, shall be used.
The timber shall be accurately sawn and planed, on the sides and the surface in contact
with concrete. Wooden form work with sheet metal lining or steel plates stiffened by steel
angles shall also be permitted.
he chamfers, beveled edges and mouldings shall be made in the form itself. Openings for
fan clamps and other fittings connected with services shall be provided in the shuttering
as directed by the Site Engineer.
As far as practicable, clamps shall be used to hold the forms together and use of nails
and spikes avoided. Where the use of nails is unavoidable tehse shall be left projecting sc
that they can be easily withdrawn.
Surface treatment for shuttering
The surfaces of timber shuttering that would come in contact with concrete shall be well
wetted and coated with soap solution before the concreting is done. Soap solution for this
purpose shall be prepared by dissolving yellow soap in water to get the consistency of
paint. Alternatively, a coat of raw linseed oil or form oil of approved manufacture may be
applied in place of soap solution. In case of steel shuttering, either soap solution or raw
linseed oil shall be applied after thoroughly cleaning the surface.
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The shuttering for beams and slabs shall have camber (I in 240) or as directed by the Site
Engineer so as to off set the subsequent deflection. For cantilevers the camber at free
end shall be 1/48th of the projected length or as directed by the Site Engineer.
Assemblage of forms and their striking
The forms shall be so assembled as to facilitate easing and removal of their various parts
in proper sequence without jarring the concrete. In a slab and T. beam construction sides
shall be stripped first, then the under side of slab and lastly that of the beam.
Forms shall be eased carefully in order to prevent the load being suddenly transferred to
concrete. The period that shall elapse after the concrete has been laid before easing and
removal of centering and shuttering is under-taken, shall be as follows:
Part of structure Period after which centering
can be eased and removed
for ordinary Portland
1.Sides of foundations, columns, beams and walls. 3 days
2. Undersides of slabs up to 5 meters span 9 days
3. Undersides of slabs above 5 metros span and
undersides of beams and arches up to 7 meters span. 13 days
4. Underside of beams and arches over 7 meters span
and up to 10metres span. 20 days
5. Undersides of beams and arches over 10metres 28 days
span. As per written instructions of
6. Domes, shells and other structures of special nature Site Engineer.
Reinforcement shall be bent and fixed in accordance with procedure specified in IS 2502
and shall not be straightened in a manner that will injure the material.
Bending hot at a cherry-red heat (not exceeding 845 degree C) may be allowed, except
for bars which depend for their strength on cold working. Bars bent hot should not be
cooled by quenching.
Welding may be permitted under suitable conditions and with suitable safe-guards.
Relevant Indian standards for welding of mild steel bars used in reinforced concrete
construction may be referred to. Before any important operation, such as concreting or
stripping of the formwork is started, adequate notice shall be given to the Site Engineer.
NOTES (for Site Engineer)
Constant and strict supervision of all the items of construction is necessary during the
progress of the work, including the proportioning and mixing of the concrete. The
reinforcement and its placement should also be checked. After removal of form work all
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concrete shall be carefully inspected and any defective work or small defects should be
got removed or made good by the contractor before concrete has thoroughly hardened.
5 SPECIFICATION FOR WOOD WORK
1ST CLASS INDIAN TEAKWOOD
Timber shall of good quality and well seasoned. It shall have uniform colour, reasonably
straight grains and shall be free from dead knots, cracks, shakes and sapwood. No
individual hard and sound knot shall be more than 2.5 cms in diameter and the aggregate
area of all the knots shall not exceed1% of the area of the piece. There shall not be less
than 5 growth rings per 2.5 cms width.
WOOD WORK FRAMED & FIXED IN DOOR, WINDOW FRAMES. OTHER FRAMES &
The work shall be carried out as per detailed drawings or as directed by the Site
Engineer. Specified timber shall be used and it shall be sawn in the direction of the
grains. Sawing shall be truly straight and square.
The scantlings shall be accurately planed smooth to the full dimensions and rebates,
roundings, and mouldings shown in the drawings made before the same are framed.
Patching or plugging of any kind shall not be permitted.
These shall be simple, neat and strong. Framed joints shall be coated with white lead
before the frames are put together. All mortise and tenon joints shall fit in fully and
accurately without wedging or filling the joints shall be pinned with hardwood or bamboo
pins of 1.0cm to 1.3 cm diameter, after the frames are put together and pressed in
position by means of a press.
Wood work shall not be painted, oiled or otherwise treated before it has been approved
by the Site Engineer. All portions of timber abutting against or embedded in masonry or
concrete shall be painted with boiling coal tar, before being placed in position. In place of
coal tar, use of approved wood primer shall be permitted.
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Fixing in Position
Before the frames are fixed in position, theses shall be inspected and passed by the Site
Engineer. The frames shall be passed in proper position and secured to walls with iron
hold fasts or as directed by site Engineer.
In case of door frames, without sills, the vertical members shall be buried in floor 3.8 cms
deep. Where sills are provided these shall be sunk in the floor to 3.8 cms depth and
shall rest on damp proof course and sills shall be provided, where so directed. The door
frames without sills while being placed in position shall be provided with temporary
wooden bracings or dry bricks on edge, well wedged between the styles at the sill level.
These shall be retained to keep the frames from warping during construction. The frames
shall also be protected from damage during construction.
Wood work framed shall be measured for finished sections in cubic meters, unless
otherwise specified, no allowance being made for wastage and for dimensions supplied
beyond those specified. Length of each piece shall be measured over-all correct to 1cm.,
so as to include projections for tenons, scraves or mitres. In measuring cross –
sectional dimensions of the frame piece, tolerance up to 3mm. shall be allowed. In case
of Moulding, roundings, rebates, circular & varying sections, the sectional area of the
piece shall be taken as the area of the least square or rectangle from which such a
section can be cut.
PANELLED, GLAZED OR PANELLED & GLAZED SHUTTERS FOR DOORS AND
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The work shall be carried out as per detailed drawings or as directed by the Site
Engineer. Specified timber shall be used, and it shall be sawn in the direction of the
grains. Saving shall be truly straight and square.
Joinery work shall be started immediately after the commencement of the building
work. All pieces shall be accurately cut and planed smooth to the full dimensions without
any patching or plugging of any kind and rebates, roundings and mouldings as shown in
drawings made before assembling. All panels up to a width of 38cms shall be made out of
one piece. The corners and edges of panels shall be finished as shown in drawings, and
these shall be feather tongued into styles and rails. Sash bars shall have mitre joints with
In measuring the width and the thickness of styles and rails, tolerance up to 3mm shall be
allowed, and in measuring the thickness of panels, tolerance up to 1.5 mm shall be
allowed. Styles and rails shall be properly and accurately mortised and tenoned. Rails
which are more than 18cms in width shall have two tenons. The tenons shall pas clear
through style. When assembling a leaf, styles shall be left projecting as a horn. The styles
and rails shall have 1.3 cms groove in paneled portion for the panel to fit in
The joinery work shall be assembled and passed by the Site Engineer, and then the
joints shall be coated with white lead or glued, pressed and secured by bamboo pins of
about 6mm. diameter. The horns of styles shall be sawn off. Shutters shall not be painted,
oiled or otherwise treated, before these are fixed in position and passed by the Site
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Unless otherwise specified, glazing shall be of good glass panes not less than 5.5kgs per
sq. meter for panes up to one sq. meter size and 7.2kgs. Per sq. meter for panes bigger
than one sq. meter. These shall be free from flaws, specks or bubbles. The glass panes
shall be so cut that these fit slightly loose in the rebates of sashes. In doors, windows and
clerestories of bath, W.C. and lavatories, frosted glass panes shall be used. Superior
glass panes such as sheet glass, plate glass, pinhead glass, shall be used, where so
specified. Glass panes shall be fixed by wooden beading having mitred joints. A thin
layer of putty shall be applied between glass panes and the beading. Fixing of glass
panes with simple putty and beads shall not be permitted. Putty shall be prepared by
mixing one part of white lead with three parts of finely powdered chalk and then adding
boiled linseed oil to the mixture to form into a stiff paste.
1) No glass panes shall be inserted in frame until they have been primed and
prepared for painting so that the wood may not draw on out of the putty.
2) Frosted glass panes shall be fixed with frosted face on the inside.
These shall be provided and fixed as per specifications and schedule of fittings and
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Shutters shall be measured in sq. meters in closed position including the portions
covering the rebates of the frame, unless otherwise specified. Overlap of two shutters
shall not be measured. The width and the height of shutters shall be measured correct to
ALUMINIUM DOORS AND WINDOWS
The materials shall be extruded aluminum alloy conforming to IS: 738.
The glass used shall be plain sheet glass or otherwise as specified and of the thickness
as specified. The glass shall be free from blemishes such as waves, bubbles, etc.
the hardware used i.e., Screws, rivets, etc., shall be of brass C.P. / Aluminum or any
other rust proof metal as specified.
The overall dimensions of window / door units shall not differ from those given in drawing
by more than +/- 3mm. In double shutter doors a four lever lock shall be provided in active
leaf. Inactive leaf shall be fitted with a concealed shoot bolt at top.
In case of double swing doors, heavy duty floor springs of approved make shall be used
for both shutters.
Side hung doors shall be fitted with minimum three hinges per leaf upto 2.2m height.
Side hung windows shall be provided with a minimum of 2 hinges per leaf up to 1.2M
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Beading used for doors, windows shall be screw less snap – on type.
Direct contact of metal and glass shall be avoided by providing neoprene, PVC
gaskets for beadings. Shutter sections of casement windows shall have provision
for fixing double weather strips.
The doors / windows units shall be measured in square meters or jump sum on unit
basis as specified.
6 ROLLING SHUTTERS
This lays down requirements for steel rolling shutters.
Rolling shutters shall be suitable for fixing in the position as specified i.e., outside or
inside on or below lintel or between jambs of the opening. The shutters shall be either
push and pull type or operated with chain and crank device. Shutter upto 11.15 sq. m.
shall be of push and pull type and shutters with an area of over 11.15sq.m. shall
generally be provided with reduction gear operated by mechanical device with chain
or handle. For easy operation, ball bearings may be specified with push and pull
type from 9.3 to 12.08 sq. m.
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Rolling shutter shall consist of 8 gauge sheet or as specified, with 7.6cm. M.S. laths,
of best quality mild steel strip machine rolled and straightened with an effective bridge
depth of 16mm. Laths shall be inter-locked together throughout their entire length and
jointed together at the end with end locks. These shall be mounted on specially
designed pipe shaft. The springs shall be of best quality. The spring shall be
manufactured from tested high tensile spring steel wire or strip of adequate strength
to balance the shutters in all positions. The spring pipe shaft etc. shall be supported
on strong mild steel or malleable cast iron brackets.
Both the side guides and bottom rail shall be joint-less and of single piece or pressed
Top cover of shaft, spring etc., shall be of the same material as that of lath.
Brackets shall be fixed on the lintel or under the lintel as specified with rawal plugs
and screw bolts etc. The shaft along with the spring shall then be fixed on the
The lath partition (shutter) shall be laid on ground and the side guide channels shall
be bound with it with ropes etc. The shutter shall then be placed in position and top
fixed with suspension shaft with bolts and nuts. The side guide channels and the
cover frame shall then be fixed to the walls through the plate welded to the guides.
These plates and brackets shall be fixed by means of steel screw bolts, and rawal
plugs drilled in the wall. The plates and screw bolts shall be concealed in plaster to
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make their location invisible. Fixing shall be done with accurate workmanship so that
the operation of the shutter is easy and smooth.
The actual area of the rolling shutters shall be measured in sq. metres. The width
shall be measured as the width of the shutter including portions hidden in the guide
channels and height shall be measured as the length of shutter from the bottom of the
locking plate to the top of the laths including portions above the opening.
Width and heights shall be measured correct to a cm
7 WHITE WASHING
This deals with white washing of masonry walls & ceilings.
Where scaffolding is necessary, it shall be erected on double supports, tied together
by horizontal pieces over which the scaffolding planks shall be fixed. For washing
the ceiling etc. proper stage scaffolding shall be erected.
PREPARATION OF WASH
The wash shall be prepared from fresh stone or shell lime (fat) conforming to IS – 712
slaked on the spot. The lime shall be thoroughly slaked on the spot, mixed and stirred
with sufficient water to make a thin cream. This shall be allowed to stand for a period of
24 hours and then shall be screened through a clean coarse cloth, 4 kg of the cream. The
approximate quantity of water to be added in making the cream will be 5 litres
water to 1kg of lime.
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PREPARATION OF SURFACE
In case of walls previously colour washed, the old colour wash shall be
entirely removed before the white wash is applied. The surface shall be prepared by
bromming down, steel wire brushing, scrapping or other means as may be required to
produce an approved clean and fair surface. For walls which have once been white –
washed, the old surface shall be broomed down. They shall be scrapped, if instructed by
In case of new walls the surface shall be thoroughly free from mortar dropping and
In case of old walls, nails shall be removed and all nails holes, plug holes and cracks
filled with putty / plaster of Paris.
The white wash shall be applied with brushes to the specified number of coats. The
operation for each coat shall consist of a stroke of the brush given from the top
downwards, another from the bottom upwards over the first stroke, and similarly one
stroke horizontally from the right and another from the left before it dries.
Each coat shall be allowed to dry before the next one is applied. Further each coat
shall be inspected & approved by Site Engineer before the subsequent coat is
applied. No portion of the surface shall be left out initially to be patched up later on.
For new work, three or more coats shall be applied till the surface presents a smooth
and uniform finish through which the plaster does not show. The finished dry surface shall
not show any signs of cracking and peeling not shall it come off readily on the hand when
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For old work, after the surface has been prepared as described in para 25.4, a coat of
white wash shall be applied over the patches and repairs. Then a single coat or two or
more coats of white wash as stipulated shall be applied over the entire surface. The white
washed surface should present a uniform finish through which the plaster patches do not
show. Furniture, doors, windows and floor shall be protected from being splashed by
white wash. Splashes, if any, shall be cleaned. Removing and restoring the furniture as
necessary shall be done carefully without any damage.
Measurement shall be done as per IS 1200 (Part XII)
8 PAINTING WITH CEMENT BASED PAINT
This covers specifications for application of cement based paints.
The cement based paint shall be of approved manufacture conforming to IS 5410. The
shade shall be as specified by IOC as per standard colour scheme.
PREPARATION OF SURFACE
Clean the surface to be painted, thoroughly by removing dirt, dust and efflorescence by
hosing with clean water. The surface shall them by thoroughly soaked with clean water 3
or 4 times, for 5 to 10 seconds each time, depending upon the absorption of the surface.
The moisture must soak, into the surface. The paint shall then be applied by a coarse
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distemper brush, working well into the textured concrete surface. Operation and
workmanship shall generally conform to IS 2395 (Part I).
PREPARATION OF THE PAINT
The ready made paint shall be mixed with water in proportion specified by
manufacturer and continuously stirred until the paint is ready for application. It is
important that exactly the same quantity of water is added each time to obtain the
same shade in application. Only sufficient paint is mixed at a time to meet an hour’s
working requirement in order to ensure that the cement paint does not set before
application. A minimum of 24 hours is the recommended time between coats. Avoid
working in strong direct sun or on walls that have been under the sun’s direct rays of a
large part of the day. If the surface is too absorbent, then the first coat may be
thinned slightly more than recommended.
To ensure proper curing of the paint, sprinkle the painted surface with clean water
once or twice a day, specially in hot, dry weather. This shall be done between each
coat and for at least two days following the application of the final coat.
Measurement shall be done as per IS 1200 (Part XIII).
9 PAINTING STEEL WORK
This covers painting of steel work including the protective coats.
PREPARATION OF SURFACE
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All rust and dirt shall be removed completely. The surface to be painted shall
be perfectly dry. The scraping shall be done by wire brushes. No chemical solutions
shall be used for cleaning. All spaces between plates or openings into which moisture
can get in shall be scraped out as far as possible and then filled with a putty made of
red lead and double boiled linseed oil.
The fist coat of red lead graphite primer / zinc – chromate primer shall be applied
immediately after cleaning the surface of the metal. When the metal is perfectly
dry, paint shall be applied with brushes and spread as evenly and smoothly as
possible. The second coat shall be applied when the first coat is thoroughly dry
and set to finger touch.
The double boiled linseed oil shall conform to IS 77. The paint shall be mixed
preferably by a paint mixing machine in small quantities, of four litres of oil and
the proper proportion of pigment and spirits of turpentine. Mixing kerosene oil
with paint is strictly forbidden.
The paint shall be mixed until it is smooth to the touch and without any lumps.
Paint shall not be allowed to settle in the cans. It shall be stirred up continuously
while painting. Each coat shall be allowed to dry before the next is laid on. The
painted surface shall not show any hair marks or drops of paint.
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The painting work shall be measured in square meters. The application of
protective coats, shall be measured in square meters and shall include two
protective coats and preparation of surface.
10 PAINTING WOOD WORK
PAINTING PRIMING COAT
The priming coat shall be specified in the description of the item. It shall be ready
mixed paint of approved brand and manufacture.
Preparation of Surface
The wood work to be painted shall be dry and free from moisture. All unevenness shall be
rubbed down smooth with sand paper and well dusted.
After the priming coat is applied, the holes and indentations on the surface shall be filled
in with glazier’s putty or wood putty.
The primer shall be applied with brushes, worked well into the surface and spread
even and smooth. The painting shall be done by crossing and laying off. The
primer coat shall be allowed to dry out thoroughly and rubbed smooth before the
next coat is applied. No hair marks from the brush or clogging of paint puddles in
the corners of panels, angles of mouldings etc. shall be left on the work. Putty
round the glass panes should also be painted without leaving paint stains on the
glass. Top shutters and surfaces in similar hidden location shall also be painted.
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11 PAINTING WITH READY MIXED PAINT
The ready mixed paint shall be of approved brand and manufacture and of the
required shades. They shall conform in all respects to the relevant IS specifications.
Preparation of surface
The surface shall be cleaned and all unevenness removed. Knots if visible shall be
covered with a preparation of red lead. Holes and indentations on the surface shall
be filled in with glazier’s putty or wood putty and rubbed smooth before painting is
done. The surface shall be thoroughly dry before painting.
Before and during the application, the paint shall be thoroughly stirred to keep
its uniform consistency. The painting shall be laid on evenly and smoothly by
means of crossing and laying off. No brush marks and clots of paints shall
remain. The number of coats to be applied will be as stipulated in the item. The
painted surface shall present a uniform appearance and glossy finish, free from
streaks, blisters etc.
Measurement shall be as per IS 1200 (Part XV).
12 SANITARY APPLIANCES
WASH DOWN WATER CLOSETS
a) These shall be European type Wash Down Water – Closers of white
glazed earthenware with P or S trap and all other fitting. The appliance
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shall be sound, of good workmanship and shall be free from manufacturing
defects affecting their utility and shall confirm to IS : 771 and IS : 2064. the
W.C should be of one of the following patterns sizes and of approved
i) Pattern 1 – Height 400 mm front and rear.
ii) Pattern 2 – Height 340 mm front and 320 mm rear.
iii) Pattern 3 – Height 410 mm Max front and rear.
Note: The thickness at any place in an appliance shall be not less than 7mm.
The W.C. should also include polished seat with cover fixed with hinges
and rubber buffers.
b) Squatting pans and traps (Indian Types W.C.) : These shall be of
glazed earthenware with either P or S trap with an inspection vent and
all other fittings. The appliances shall be sound, of good workmanship
and shall be free from manufacturing defects affecting their utility and
shall confirm to IS: 771 and IS: 2064. The squatting shall be made in
any one of the following patterns and sizes :
i) Long Pan Pattern – 450mm, 580mm, 630mm.
ii) Orissa pattern - 580 x 450mm, 630mm x 450mm and 680 x
The W.C. pan shall be fixed in cement brick bat coba having proportion of
1 part of cement mortar (1:3) to 4 parts of over burnt brick bats, 1 coat of
20mm thick cement plaster (1:4) mixed with water proofing compound shall be
laid on top surface of the slab before laying the brick bat coba. The W.C. pan
shall have following accessories and fitment.
i) 15 litre capacity (or capacity mentioned in the description of item) C.I.
flushing tank with C.I. brackets, necessary length of 15mm dia G.I. over
flow pipe with mosquito bronze screw cap, pull chain and 15mm dia
brass stop cock.
ii) 32mm dia lead flush pipe connecting from flushing tank to pan.
iii) 15mm dia plastic tube with brass couplings connecting to flushing tank.
iv) 15mm dia G.I. pipeline connecting to plastic tube which joins the
v) 15mm dia internal pipeline and chromium plated brass push cock.
vi) 10 cm dia C.I. bend with cleaning cap and necessary length of 10cm
dia C.I. pipe connecting the pan and the plug bend.
vii) Pair of glazed earthenware footrest.
viii) Wherever antisyphon pipe connections are required necessary length
of lead pipe shall be provide.
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FLUSHING CISTERNS FOR W.C. AND URINALS
a) High Level Cistern: A cistern intended to operate with a minimum
height of 125cms between the top the pan and the underside of the
b) Low Level Cistern: A cistern intended to operate at a height not
exceeding 30cm between the top of the pan and the under side of
The cisterns shall be of cast iron, glazed earthenware, glazed vitreousware
or pressed steel complying with the requirement specified under:
i) Cast Iron: C.I. used for the manufacture of cistern shall be of a
quality not less than grade 15 of IS 210.
ii) Earthenware : Earthenware cisterns shall confirm to the material
requirements specified in part – I of IS-771.
iii) Vitreous ware: Vitreous ware cisterns shall confirm to the material
requirements specified in part – I of IS-2556.
iv) Pressed Steel: Pressed steel used for manufacture of cisterns shall
confirm to any one of the types of steel sheets given in IS-513.
The cistern should include all the accessories like flush pipe manufactured
from the steel tube, lead pipe or copper (or copper alloy) pipe, galvanized
steel or non-ferrous metal bolts and nuts, cover of the same material as
the body, Ball valve manufactures from non-ferrous metal and the float
from non-ferrous metal or other non corrodible and non absorbent material
of equivalent strength (IS – 1703), chain shall be of galvanized steel wire
or inter-locked non-ferrous stampings and Over Flow Pipe of non-ferrous
metal or other corrosion resisting material. Normal capacity of the cistern
should be 15 litres and shall be free from manufacturing faults and other
defects affecting its utility. The body thickness shall be not less than 5mm.
10mm & 13mm. For cast iron, vitreous ware and earthenware cisterns
respectively. Cistern & its accessories should confirm to IS-774
Glazed earthenware urinals shall have necessary fixture like (I) flush pipes
& non-ferrous spreaders, (2) automatic flushing C.I. cisterns of 15 litres
capacity with C.I. brackets and 15 mm. Dia G.I. overflow pipe with
mosquito – proof bronze screw cap, (3) pull chain, (4) 15mm dia lead
connecting pipe, (5) 15mm dia chromium plated brass stop cock etc. Urinal
outlets shall be provided with a gun metal or brass dome shaped
removable grating. The urinal shall be free from manufacturing defects
affecting their utility & should confirm to IS-771 and IS-2064. the urinals
may be of any the following pattern and size and of approved make.
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i) Bowl with flat back or Angle back of size 430mm Min. x 260mm
Min. x 350mm Min. and 340 mm x 265mm respectively.
ii) Stall type of size 1140 mm x 60 mm x 400 mm.
These shall be glazed earthenware hand washbasins with necessary
accessories/provisions like double tap holes, circular waste hold to which
the interior of basin shall drain with 32 mm dia lead trap, an integral soap
holder recesses which shall drain into the bowl, a slot type of over flow
having an area not less than 5 cm2 , C.P chain with rubber plug (32 mm
dia) 2 No. 12 mm dia C.P. taps, pair of C.I. bracket supports, 15 mm dia
lead pipe connecting with brass stop cock, etc complete. The appliance
shall be of good workmanship and shall be free from manufacturing
defects affecting their utility and should confirm to IS: 771, IS: 775 and IS:
2064 specifications. The washbasin shall be any of the following patterns
and sizes and of approved make.
i) Flat back - 630 mm x 450 mm, 550 mm x 400 mm and 450 mm x
ii) Angle Back – 600 x 480 mm and 400 mm x 400 mm.
SPECIFICATION NO. 37
13 WATER BOUND MACADAM DRIVEWAY
Water bound macadam shall consist of clean crushed coarse aggregates mechanically
interlocked by rolling, and there-of filled with screening and binding material with
assistance of water, laid on a prepared sub grade, sub-base, base of existing pavement
as the case may be. Water bound macadam may be used as a sub-base course or
surfacing course. In each case, it shall be constructed in accordance with the
specifications given below and in conformity with the line, grades and cross-sections
shown on the drawings or as otherwise directed.
Coarse Aggregates – General Requirements.
Coarse aggregates shall be either crushed or broken stone, crushed slag, over burnt
brick metal or naturally occurring aggregates such as kankar or late rite of requisite
quality as started hereinafter. The aggregates shall confirm to the grading requirements
set forth in table 37.2.2.
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Crushed or broken stone shall be hard, durable and generally free from flat, elongated,
soft and disintegrated particles. It shall also not have excess of dirt or other objectionable
Crushed slag shall be manufactured from air culled blast furnace slag. It shall be angular
shape reasonably uniform in quality and density and generally free from any thin,
elongated and soft pieces, dirt or other objectionable matter. Crushed slag shall not weigh
less than 1120 kg per m3 and the percentage of glassy material in it shall not be in
excess of 20. Water absorption (IS : 2386 (Part III) of slag shall not exceed 10 per cent.
Brick metal shall be made out of over burnt bricks or brick bats and be free from dust and
other foreign matter.
Kankar shall be tough, having a blue almost opalescent fracture. It shall not contain any
clay in the cavities between nodules.
Laterites shall be hard, compact, heavy and of dark colour. Light coloured sandy laterites
as also those containing a good bit of ochreous clay shall not be utilized.
Size range Sieve Designation Percentage by weight
passing the sieve
50mm to 25mm 63mm 100
50mm 95 – 100
40mm 35 – 70
25mm 0 – 15
12.5mm 0– 5
Screening to fill voids in the coarse aggregates shall generally be of the same material as
the coarse aggregates. However, from economic considerations, predominantly non-
plastic materials such as kankar nodules, moorum of gravel (other than river-borne
rounded aggregate) may also be utilized for this purpose provided that the liquid limit and
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plasticity index of such material is below 20 and 6 respectively and the fraction passing
75 micron sieve does not exceed 10 per cent.
As far as possible screening shall confirm to the grading shown in table given as follows.
Type of screening Sieve designation Percentage by weight
passing the sieve
10 mm 10mm 100
No. 480 (ISI) 85 - 100
No. 15 (ISI) 10 - 30
In case of soft aggregates such as kankar, laterites etc, the use of screenings may be
The use of screenings may be dispensed with in the case of crushable type coarse
aggregates such as brick metal, kankar and laterites.
Binding material to prevent raveling of water bound macadam shall consist of a fine
grained material possessing P.I. value of 4.9 when the WBM is to be used as a surfacing
course and up to 6 when the WBM is being adopted as a sub base/base course with
bituminous surfacing. If limestone formations are available nearby, limestone dust or
kankar nodules may be usefully employed for this purpose.
Application of binding material may not be necessary where the screenings consist of
crushable type material like moorum or gravel. However, for WBM used as a surfacing
course, where the P.I. of crushable type screening is less than 4, application of a small
amount of binding material having P.I. of 4.9 would be required at top. The quantity of
screenings could be reduced slightly on this account.
Quantities of Material Required
Approximate quantity of coarse aggregate required as per 75 mm consolidated thickness
is one cu. Mitre for 10m2 area. The approximate quantity of screenings required is 0.29
Cu. Meter for 10m2 area.
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Preparation of foundation for receiving the WBM course.
The sub-grade, sub-base or base to receive the water bound macadam course shall be
prepared to the required grade and camber and cleaned of all dust, dirt and other
extraneous matter. Any ruts or soft yielding places that have appeared due to improper
drainage, service under traffic or other reasons shall be corrected and rolled until firm.
Where the existing the water bound macadam is to be laid on an existing unsurfaced
road, the surface shall be scarified and reshaped to the required grade and camber as
necessary. Weak places shall be strengthened, corrugations removed and depressions
and potholes made good with suitable material before spreading the coarse aggregates
Where existing road surface is black-topped, 50 mm x 50 mm furrows shall be cut in the
existing surface at 1 meter intervals of 45 degree to the center line of the carriageway
before proceeding with the laying of coarse aggregates.
In all cases, the foundation shall be kept well-drained during the construction operations.
Provision of Lateral Confinement of Aggregates
Before starting with WBM construction, necessary arrangements shall be made for the
lateral confinement of aggregates. One method is to construct side shoulders in advance
to a thickness corresponding to the compacted layer of the WBM course. After shoulders
are ready, their inside edges may be trimmed vertical and the included area cleaned of all
spilled material thereby setting the stage for spread of coarse aggregates. The practice of
constructing WBM in a trench section excavated in the finished formation must be
Spreading Coarse Aggregates
The coarse aggregates shall be spread uniformly and evenly upon the prepared base in
required quantities from stockpiles along the side of the road or directly from vehicle. In
no case shall these be dumped in heaps directly on the area where these are to be laid
nor shall their hauling over a partly completed base be permitted. The aggregates shall
be spread to proper profile by using templates placed across the road about 6 meters
apart. Where possible, approved mechanical devices shall be used to spread the
aggregates uniformly so as to minimize to need for their manipulation by hand.
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The thickness of consolidated WBM shall be 150 mm. Laid in two layers of 75 mm
compacted thicknesses each. No segregation of large or fine practices shall be allowed,
the coarse aggregate as spread shall be of uniform gradation with no pockets of fine
The coarse aggregates shall normally not be spread in lengths exceeding three days
average work ahead of the rolling and bonding of the proceeding section.
After the laying of coarse aggregates, these shall be compacted to full width by rolling
with either three wheel power roller of 6 to 10 tonnes capacity or an equivalent vibratory
roller. The weight of the roller shall depend on the type of the coarse aggregates.
The rolling shall begin from edges with roller running forward and backward until the
edges have been compacted. The roller shall then progress gradually from the edges
towards the center parallel to the centerline of the road, uniformly lapping each preceding
rear wheel track by one half width. Rolling shall be discontinued when the aggregates are
partially compacted with sufficient void space in them to permit application of screenings.
However, where screenings are not to be applied, as in the case of crushable aggregates
like brick metal, laterites and kankar, compaction shall be continued until the aggregates
are thoroughly key with no creeping of stone ahead of the roller. Slight sprinkling of water
may be done during rolling if necessary.
On super elevated portions of he road, rolling shall commence from edge and progress
gradually towards the upper edge of the pavement.
Rolling shall not be done when the sub grade is soft or yielding nor when it causes a
wave like motion in the base course or sub grade. If irregularities develop during rolling
which exceed 12 mm when tested with a 3 meter straight edge, the surface shall be
loosened and aggregates added or removed as required before rolling again so as to
achieve a uniform surface conforming to the desired cross section and grade. The
surface shall also be checked traversely by template for camber, and any irregularities
corrected in the manner described above. In no case shall the use of screenings to make
up depressions be permitted.
Application of screenings
After coarse aggregates have been rolled as per para 33.3.4 screenings to fill the
interstices shall be applied gradually over the surface. Dry rolling shall be done when the
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screenings are being spread so that the jarring effect of roller causes them to settle into
voids of the coarse aggregates. The screenings shall not be dumped in piles but applied
uniformly in successive thin layers either by the spreading motion of hand shovels,
mechanical spreaders, or directly from trucks. Trucks plying over the base course to
spread screenings shall be equipped with pneumatic tyres and also operated as not to
disturb the coarse aggregates.
The screenings shall be applied at a slow rate in three or more applications as necessary.
This shall be accompanied by rolling and brooming. Either mechanical brooms/hand
brooms or both may be used. In no case shall the screenings be applied as fast and thick
as to form cakes or ridges on the surface making the filling of voids difficult or preventing
the direct bearing of roller on the coarse aggregates. The spreading, rolling and brooming
of screenings shall be taken up on sections which can be completed within one day’s
operation. Damp and wet screenings shall not be used in any circumstances.
Sprinkling and Grouting
After application of screenings, the surface shall be copiously sprinkled with water, swept
and rolled. Hand brooms shall be used to sweep the wet screenings into the voids, and to
distribute them evenly. The sprinkling, sweeping and rolling operations shall be continued
and additional screenings applied where necessary until the coarse aggregates are well
bonded and firmly set and a grout of screenings and water form ahead of the wheels of
the rollers. Care shall be taken that the base or sub grade does not get damaged due to
addition of excessive quantities of water during the constructions.
Application of Binding Material
After application of screenings binding material where it is required to be used shall be
applied at a uniform and slow rate in two or more successive thin layers. After each
application of binding material, the surface shall be copiously sprinkled with water and the
resulting slurry swept with hand brooms/mechanical brooms or wheels to wash down the
binding material that may get stuck to them. The spreading of binding material, sprinkling
of water, sweeping with brooms and rolling shall continue until the slurry of binding
material and water forms a wave ahead of the wheels of moving roller.
Setting and Drying
After final compaction of the course, the road shall be allowed to cure overnight. Next
morning, hungry spots shall be filled with screenings or binding material, lightly sprinkled
with water if necessary and rolled. No traffic shall be allowed till the macadam sets.
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In the case of water bound macadam base course to be provided with bituminous
surfacing, the latter shall be laid only after the WBM course is completely dry and before
allowing any traffic on it.
Plying of Construction Traffic
In general, construction traffic may ply over completed portions of the WBM course
provided vehicles move over its full width avoiding any rutting or uneven compaction.
However, the Site Engineer shall have full authority to stop the passage of construction
traffic when in his opinion this is leading to excessive damage.
SURFACE EVENNESS OF WBM COURSE
The surface evened of completed WBM course in longitudinal and transverse
directions shall be within the tolerances indicated in Table given below:
PERMITTED TOLERANCE OF SURFACE EVENNESS FOR WBM COURSE
Sl. Sieve range of Longitudinal profile cross profile
No coarse aggregates Max. Permissible Max.
Undulation when measured permissible
With a 3 meter straight edge variation from
With a camber
1. 25-50 mm 12 mm 8 mm
The longitudinal profile shall be checked with a 3 meter long straight edge at the middle
of each traffic lane along a line parallel to the center line of the road. The transverse
profile shall be checked with a series of three camber boards at intervals of 10 meters.
RECTIFICATION OF DEFECTIVE CONSTRUCTION
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Where the surface irregularity of the WBM course exceeds the tolerances given in Table ,
or where the course is otherwise defective due to sub grade soil mixing with the
aggregates, the layer to its full thickness shall be scarified over the affected area,
reshaped with added material, or removed and replaced with fresh material as applicable
and re compacted. The area treated in the aforesaid manner shall not be less than 10 m2
In no case shall depressions be filled up with screenings or binding material.
CONSTRUCTION WBM OVER NARROW WIDTH
Where the WBM course is to be constructed in narrow width for widening an existing
pavement, the following sequence of operations should be adopted.
i) The existing shoulders should be excavated to their full depth and
width up to the sub grade level except where the widening
specifications envisage laying of a stabilized-soil sub –base using
institute operations in which case the same should be removed only up
to the sub-base level.
ii) Before proceedings with the laying of WBM course, the shoulders
should be rebuilt in layers in reduced width depending on the extent of
widening. The compacted thickness of each layer should correspond to
the compacted layer of WBM course to be laid adjacent to it. After
compaction, the inside edges of shoulders should be trimmed vertical
and the included area cleared of all spilled material; and
iii) The construction of WBM layer should then follow in the usal manner.
Measurement shall be as per I.S. 1200 (part XVII).
NOTES (For Office use)
Following points should be checked:
a) Sub grade to be in proper gradient and camber (periodic check).
b) Materials to be of approved quality (periodic check)
c) Rolling to be adequate (periodic check)
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d) Metalling in 2 layers and compact (periodic check).
e) Anywhere the pavement on an average should show specified thickness of rubble
and Metalling (random check).
f) The successful performance of WBM as a surfacing course depends to a large
extent on timely maintenance. Maintenance measures for this can be considered
under three heads : periodic patching of pot-holes along with removal of ruts and
depressions; binding of the surface and surface renewal.
14 BITUMINOUS PAVEMENTS/ROADS
This specification covers the laying of bituminous Roads/Pavements.
Binder : The binder shall be one of the following :
i. a straight run bitumen of suitable penetration grade complying with
ii. a cutback bitumen of suitable viscosity complying with IS : 217 or
IS: 454 or other approved cutback.
Coarse Aggregates: The aggregates shall consist of angular fragments and should be
clean, hard, tough, durable and of uniform quality throughout. They shall be crushed
rock, gravel, river shingle or slag and should be free of elongated or flaky pieces, soft
and disintegrated material, vegetable or other deleterious matter.
Fine Aggregates or Sand: The fine aggregates or sand shall consist of clean, hard,
durable, uncoated, coarse dry particles, and be free from injurious amounts of dust,
soft or flaky particles or organic matter or other deleterious substances.
Approximate quantities of materials required for 50mm thick bituminous
Aggregate Per 10m2 of road surface
Coarse aggregates-12.5mm 0.45m3
Size passing IS 20mm sqm
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Retained on IS 10 mm sqm
For seal coat:
a. Low rainfall areas (under 150cm per year)
medium coarse sand (fineness modulus of more
than 2.5) and fine grit passing IS sieve No.1.70 0.06m3
IS sieve no. 1.80mm
b. * High rainfall areas (over 150cm per year0
Coarse aggregates-6.3mm 0.09m3
(1/4 in) size; passing IS 10mm (3/8 in) square
mesh, retained on IS sieve 2.36mm(1/10in)
* (In case emulsions are used the quantity
required will be 50 percent of what is indicated)
Binder Per 10m2 of road surface.
For tack coat
a. On a water bound macadam surface 7.3 to 9.8kg.
b. On an existing black top surface. 4.9 to 7.3kg.
Note : For emulsions complying with IS: 3117 the same quantities
as given above may be used. In case the existing black top surface
is extremely rich in binder, or fatty, the tack coat can be eliminated
in hot climatic regions at the discretion of the Site Engineer if a
good bond between the existing surface and the superimposed
layer can be ensured.
For premixing 9.5kgs.
For 12.5mm(1/2 in size coarse aggregates) @52kg per m3
For seal coat
a. Low rainfall areas
(under 150cm per year) 6.8kg
b. *High rainfall areas
(over 150 cm per year) 9.8kg
* (In case emulsions are used, quantity required will be 50per cent of what
This shall consist of water bound macadam as specified in IOC
specification no. 37 or existing black top surface.
Preparation of Base
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Before the carpet is applied to the existing base, the road must be free
from dust or caked mud. Where the existing base is potholed or rutted,
these irregularities must be corrected with premixed chippings or coated
macadam, depending upon the depth of the pothole, laid after applying a
tack coat of binder and well rammed thereafter. Where the existing base is
extremely porous and absorptive, a suitable bituminous primer shall be
applied. The surface should be cleaned by :
a. removing caked earth and other foreign matter with wire brushes,
b. sweeping with brooms, and
c. Finally dusting with sacks.
The binder should be heated, wherever required, to the appropriate
temperature as indicated by the manufacturers and applied to the base at
the rate specified in para 38.3.2 It is best to use a sprayer. The binder
should be evenly bushed, if need be.
The tack coat should be applied just ahead of the spreading of the premix.
Preparation of Premix
Mechanical mixer should be preferred. When only improvised hand mixing
drums are available for premixing, place 0.028m3 of 12.5mm chippings and
0.014m3 of 10mm chippings in the mixing drum and mix dry thoroughly. Where
straight-run bitumen is used, the aggregates should be suitably heated prior to the
adding of bitumen.
Add 2.24kg of the binder, as per quantities given in above para, heated
where required to a temperature suitable to the grade of bitumen used and
mix until the chippings are thoroughly coated with the binder.
Empty the premix on to stretchers or wheel barrows and carry to site.
The quantities of chippings and binder per batch as given may be proportionately
increased if proper coating is possible in one operation.
Spreading of Premix
Immediately after applying, the tack coat, spread the premix with rakes to
the desired thickness and camber, or distribute evenly by means of a drag
spreader. Check camber by means of a camber board and even out
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As soon as sufficient length, say 15 meters, of the premix has been laid,
rolling should commence with smooth wheeled rollers (6 to 9 tonnes) or
pneumatic tyred rollers. Rolling should commence at the edges and
progress towards the center longitudinally except in the case of super
elevated sections where this should commence at the inner edge and
proceed towards the outer edge of the curve.
When the roller has passed once over the whole area, any high spots or
depressions, which become apparent, should be corrected by removing or
adding premixed chippings. When this has been done, roll to compaction.
Avoid excessive rolling as this serves no useful purpose and may spoil the
Moisten the roller wheels to prevent the premix from adhering to the
wheels and being picked up. The consolidated thickness of carpet shall be
Application of seal coat
A premixed sand-seal coat, mixed preferably in a mechanical mixer after heating
the sand, should be applied immediately after laying the carpet and rolled. Materials
required for this seal coat are given in above paragraphs.
A liquid seal coat preferably with chippings (though coarse sand
can be used), should be applied after laying the carpet. The binder, heated
wherever required to the permitted temperature, should be applied to the
cleaned surface, blinded with chippings and rolled.
Materials required are given in above paragraphs.
The finished surface shall be uniform and conform to the lines, grades and typical
cross-sections specified. When tested with a template and straight edge, the
finished surface shall show no variation greater than 6.3mm over a 3m length.
OPENING TO TRAFFIC
Traffic may be allowed on the road preferably 24 hours after providing the
seal coat. This should be considered the minimum period when the binder
used is a cutback or emulsion.
Keltron Tool room cum Training centre, Kuttippuram 59
Part-7 -Project & Site Information – General
7.1 Client : Keltron
7.2 Consultants : Prima Arch
7.3 Project Title : Keltron Tool Room cum Training
7.4 Location : Sy. No 499,Thavanur Panchayath
7.5 Wind Data : As per IS:875
7.6 Seismic Data : As per IS:1893
Keltron Tool room cum Training centre, Kuttippuram 60
PART 8 TENDER FORM
To, Date :
1. Having visited the site and having also examined the drawings, conditions of
contract, Specifications, Schedule of quantities, for the construction of the above
named works, I/We, the undersigned, offer to construct complete and maintain the
whole of the said works in conformity with the said drawings, conditions of contract,
specifications, schedule of quantities, for the sum of
2. I/We undertake, if, our tender is accepted, to commence the work within 7 days of
receipt of the work order/award or letter of intent of contract which ever is earlier
and to commence, complete and deliver the whole of the works comprised in the
contract within the times stipulated in the contract.
3. We are depositing along with the tender Rs.3,00,000 by DD for 90 days as Earnest
4. We agree to abide by this tender for a period of 90 days from the last date fixed for
receiving the same and it shall remain binding upon us and may be accepted at any
time before the expiry of this period.
5. Unless and until a formal Agreement is prepared and executed, this tender,
together with your written acceptance thereof, shall constitute a binding contract
between us. All stamp duties etc., required to be paid for the formal contract shall
be at our cost & responsibility.
6. We understand that you are not responsible for and shall not defray any expense
incurred by us in visiting the site or in submitting this tender. We also understand
that you are not bound to accept the lowest or any other tender you may receive.
We also agree that you may award part or whole of the works to different tenderers
at your sole discretion.
Signature of the tenderer ..............................................................................
Full Name ..............................................................................
Date of Submission ..............................................................................
Keltron Tool room cum Training centre, Kuttippuram 61
PART 9- GENERAL CONDITIONS OF CONTRACT
9.0 Condition of Work
9.1 Execution of Works
All the works shall be executed in strict conformity with the provisions of the
contract documents and with such explanatory detailed drawings to be approved by
the contractor and approved by the Client/Consultant, specifications, and
instructions as may be furnished from time to time to the contractor by the
Client/Consultant, whether mentioned in the contract or not. The contractor shall be
responsible for ensuring that works throughout are executed in the most substantial,
proper and workmanlike manner, with good quality material and workmanship, in
strict accordance with specifications and to the entire satisfaction of the
9.2 Coordination and Inspection of Work
The coordination and Inspection of the day to day work under the contract, shall be
the responsibility of the Client/Consultant. The written instructions regarding any
particular job will normally be passed on by the Client/Consultant or their authorized
representative. A work order book shall be maintained by the contractor in which
the aforesaid written instructions will be entered. These will be signed by the
contractor or his authorized representative by way of acknowledgement within 12
9.3 Drawings to be supplied by the Client/Consultant
9.3.1 The drawings attached with the tender shall be for the general guidance of the
contractor to enable him to visualize the type of work contemplated and scope of
work involved. If necessary detailed working drawings on the basis of which the
actual execution of the work is to proceed will be furnished from time to time during
the progress of work.
9.3.2 The drawings shall be deemed to include all further modified and additional
drawings that may be issued from time to time under the terms of the contract.
9.3.3 The drawings shall remain in the sole custody of the Client/Consultant, but, four
copies thereof shall be furnished to the contractor free of cost. The contractor shall
provide and make at his own expense any further copies required by him. On the
completion of the contract the contractor shall return to the Engineer all drawings
provided under the contract. The contractor shall give adequate notice in writing to
the Client/Consultant or their representative of any further drawings or
specifications that may be required for the execution of the works or otherwise
under the contract.
9.3.4 One copy of each drawing furnished to the contractor as aforesaid shall be kept by
the contractor on the site and the same shall at all reasonable times be available for
inspection and use by the Client/Consultants and their representative and by any
other person authorised by the Client/Consultant in writing.
9.3.5 The Client/Consultant shall have full power and authority to supply to the contractor
from time to time during the progress of the works such further drawings and
instructions as shall be necessary for the purpose of the proper & adequate
execution and maintenance of the works and the contractor shall be bound by the
same, and carry out the work accordingly.
Variations not to vitiate the contract and price for Extra Work etc., ascertainment of
The Client/Consultant shall have the power to make any alterations and omissions
from, addition to or substitutions for, the original specifications, drawings, designs
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and instructions, that may appear to him to be necessary, during the progress of
the work and the contractor shall carry out the work in accordance with any
instruction which may be given to him in writing, signed by the Client/Consultant
and such alteration, omissions, additional or substituted work, which the contractor
may be directed to do in the manner above specified as part of the work, shall be
carried out by the contractor on the same conditions in all respects, on which he
agreed to do the main work. The rates for such additional, altered or substituted
work under this clause shall be worked out in accordance with the following
provisions in their respective orders:
(a) Such alterations will be limited to an extent of ± 20% of the total contract value.
(b) In case the alterations exceed the above said 20% the rates for these altered
works only would be revived and settled with the mutual agreement of the
Client/Consultant and the contractor.
9.4.1 If the rates for the additional, altered or substituted work are specified in the
contract for the work, the contractor is bound to carry out the additional, altered or
substituted work at the same rates as are specified in the contract for the work.
9.4.2 If the rates for the additional, altered or substituted work are not specifically
provided in the contract for the work, the rates will be derived from the rates for a
similar class of work as are specified in the contract for the work.
9.4.3 If the rates for the altered, additional or substituted work cannot be determined in
the manner specified in sub clause 8.4.1 and 8.4.2 above, then the prices of extra
items shall be calculated on the prevailing market rate comprising of cost of labour
and materials with transportation charges of materials + 15% with the condition that,
before taking up the work of extra items, the contractor shall first take the clearance
of the Client/Consultant and settle the rates.
9.5 Alterations Additions And Omissions
9.5.1 The Client/Consultant shall have the power to make any variation of the quality or
quantity of the works or any part thereof in accordance with clause 8.4 that may in
his opinion be necessary and for that purpose or if for any other reason it shall, in
his opinion, be desirable & shall have the power to order the contractor to do and
the contractor shall do any of the following:
(a) Increase or decrease the quantity of any work included to the contract.
(b) Omit any such work
(c) Change the character or quality or kind of any such work.
(d) Change the levels, lines positions and dimensions of any part of the work, and,
(e) Execute additional work of any kind necessary for the proper completion of the
works and no such variation shall in any way vitiate or invalidate the contract
but the value (if any) of all such variations will be taken into account in
ascertaining the amount of the contract price.
9.5.2 No such variation shall be made by the contractor without an order in writing from
the Client/Consultant, provided, that no order in writing shall be required for
increase or decrease in the quantity of any work, where, such increase or decrease
is not the result of an order given under this clause but is the result of the quantities
exceeding or being less than those stated in the schedule of quantities.
9.6 Details inadvertently left out
The specifications have been drawn up with the intention of covering the complete
execution of the works. In case there are details which have been inadvertently left
out of the specifications or schedule of quantities and which may be reasonably
implied or inferred and which are usual or essential to complete the works, the
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same shall be deemed to be included in the rates or prices and provided under the
terms of the contract.
9.7 Instructions and Approvals
All instructions to the contractor shall be in writing and claims which are based on
verbal instructions or on confirmation of the Client/Consultant of the verbal orders
by the contractor shall not be entertained. Any work which is carried out without the
written instructions or written approval of the Client/Consultant shall be at the
contractor's own risk and cost.
9.8 Authorities, Notices and Patents
The contractor shall conform to all provisions of any acts of legislature relating to
work, statutory regulations & bye-laws of any authority. The contractor shall give
notices as required by the said acts, regulations & bye laws, to any authority
requiring the notices. The contractor shall indemnify the Client against all claims in
respect of patent rights and shall defend all actions arising from such claims at his
9.9 Access to existing properties
The contractor shall so arrange the execution of the work that proper and adequate
access to properties and land adjacent to the works shall be possible, at all times.
9.10 Construction equipment tools
All equipments, plants, tools, mixers, vibrator, scaffoldings shuttering etc., required
for the execution of the job of contract shall be provided by the contractor at his own
cost and risk. The contractor shall arrange for the safety and security of all his
materials and plant, tools, equipment, etc. Client/Consultant will not be responsible
for any damage, theft, breakage or loss of any material or plants or tools, etc,
belonging to the contractor.
9.11 Inspection of work
The Client/Consultant and their authorised representative shall at all reasonable
times have free access to the works and or to the workshop, factories or other
places where materials are being prepared or constructed for the contract and also
to any place where the materials are lying, kept or stacked or from which they are
being obtained. The contractor shall give every necessary facility to the
Client/Consultants or their authorised representative for inspection and
examination, test of the materials and workmanship, even to the extent of
discontinuing portions of work temporarily, or of uncovering or taking down portions
of finished work.
9.12 Incompetent persons
The contractor shall on the request of the Client/Consultant or their representative
immediately dismiss from the work, any person employed by him who may be, in
the opinion of the Client/Consultant, incompetent or who misconducts himself or is
unacceptable in any form and such person shall not be employed on any aspect of
the contract work, without the permission of the Client/Consultant.
9.13 Unfixed materials
All unfixed materials, taken into account and paid for by the Client/Consultant shall
be the property of the Client.
9.14 Articles of value found
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All gold, silver and other minerals of any description and all precious stones, coins
treasures, relics, antiquities and other similar things which shall be found in, under
or upon the site, shall be the property of the Client and the contractor shall duly
preserve the same to the satisfaction of the Client/Consultant and shall from time to
time, deliver the same to such persons or person indicated by the Client.
9.15 Completion of works
The rates quoted by the contractor shall be for works at site to be completed in all
respects. He shall also leave the place in a neat, tidy and fit manner as per
directions of the Client/Consultant. The works shall not be considered completed
until the Client/Consultant has certified in writing that they have been virtually
completed and the defects liability period shall commence from the date of such
9.16 Possession prior to completion
The Client/Consultant shall have the right to take possession of or use any
completed or partially completed work or part of the work. Such possession or use
shall not be deemed to be an acceptance of any work completed in accordance with
the contract agreement. If such prior possession or use by the Client/Consultant
delays the progress of work so considerably so as to make it impossible for the
contractor to proceed with any work whatsoever, equitable adjustment in the time of
completion will be made and the contract agreement shall be deemed to be
9.17 Night work
The contractor shall be permitted to work in all three shifts or on holidays except
with limitation that female labour can be employed only upto 6.00 pm. and is
required to complete the work in all respects as stipulated elsewhere. Sufficient
lights shall be provided by the contractor at his own expense to safe guard the
workmen and the public. In general the contractor shall comply with regulations
stipulated in the factories act in force.
9.18 Daily Diary and Instructions Register
A daily diary cum inspection register will be kept in the Client/Consultant's office.
The contractor will supply all detailed information every day at 09.00 hours, for the
day proceeding and this register will be jointly signed by the Client/Consultant's
authorised representative and contractor, everyday in token of its correctness.
If the contractor defaults in any manner, the Client/Consultant may employ/engage
and pay to another contractor or other person or persons to carry out and complete
the works and he or they may enter upon the site and use all temporary buildings,
plants, machinery, appliances, goods and materials remaining at site and required
for carrying out and completion of the works left over. In such case the contractor
will also forfeit the earnest money deposit, security deposit, and all other payment
due to him as of the said date. The causes which can be the basis of the above
(a) If without reasonable cause he wholly or partly suspends the work before
(b) If he fails to proceed with the work with reasonable diligence.
(c) If he refuses or persistently neglects to comply with any notice in writing from
the Client/Consultant requiring him to remove defective works, improper
materials and by such refusal or neglect the works are materially affected.
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(d) In the event of the contractor becoming bankrupt.
1. In the event of any dispute or difference between the parties hereto, as to the
construction or operation of this contract, or the respective rights and liabilities
of the parties on any matter in question, dispute or difference on any account or
as to the withholding by the Client/employer of any certificate to which the
contractor may claim to be entitled to or if the Client/employer fails to make a
decision within a reasonable time, then in any such case, but except in any of
the excepted matters referred to in the clause, the contractor, after 90 days of
his presenting his final claim on the disputed amounts or difference, may refer
the matter to arbitration. Such demand for arbitration shall specify the matters
which are in question, dispute or difference and only such dispute or difference,
shall be referred to the sole arbitrator of MD Keltron or some other person
appointed by him and the provisions of the Arbitration Act and conciliation
1996 for the time being in force, or of any other Act of the Legislature passed in
substitution thereof or modifications thereof and for the time being in force,
shall apply to such arbitration.
2. The contractor shall not, except with the consent in writing of the
Client/Consultant, in any way delay the carrying out of the work by reason of
any such matter, question or dispute being referred to arbitration, but shall
proceed with the work with all due diligence and shall, until the decision of the
arbitration is given, abide by the decisions of the Client/Consultant and no
award of the arbitration shall cause and change in this agreement the
requirement to adhere strictly to the Client/Consultant's instructions with regard
to the actual carrying out of the work, except as specifically affected by such
9.21 Work progress during arbitration
Progress of the work shall not be suspended or delayed because of the existence of
any such dispute. The Client/Consultant's decision on such dispute or difference
shall be conclusive until reversed by the arbitrator.
The quantities set out in the schedule of quantities are the estimated quantities
of work but they are not to be taken as actual and correct quantities of the
works to be executed by the contractor in fulfillment of his obligations under the
2. Works to be measured
The Client/Consultant shall, except as otherwise stated, ascertain and
determine by measurement, the value in accordance with the contract, of work
done. He shall, when he requires any part or part work to be measured, give
notice to the contractor's authorised agent or representative, who shall
forthwith attend or send a qualified agent to assist the Client/Consultant or their
representative in making such measurement and shall furnish all particulars
required by either of them. Should the contractor not attend or neglect or omit
to send such agent, then the measurements made by the Client/Consultant or
their representative shall be taken to be the correct measurements of the work.
3. Method of Measurement
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The works shall be measured in accordance with the relevant BIS codes,
notwithstanding any general or local custom, except where otherwise
specifically described or prescribed in the contract.
"Provisional sums" means a sum included in the contract and so designated in
the schedule of quantities for execution of works or the supply of goods,
materials or services or for contingencies, which sum may be used, in whole, or
in part, or not at all, at the direction or discretion of the Client/Consultant. The
contract price shall include only such amounts in respect of the work, supply or
services, to which provisional sums relate, as the Client/Consultant shall
approve or determine.
5. The contractor shall when required by the Client/Consultant produce all
quotations, invoices, vouchers, and accounts or receipts, in connection with
expenditure in respect of provisional or prime cost items.
9.23 Programme and Progress Report to be furnished
As soon as practicable within 7 days after the acceptance of his tender, the
contractor shall submit to the Client/Consultant, for his approval, a programme
showing the order of procedure and method in which he proposes to carry out the
works and shall, whenever required by the Client/Consultant or their representative,
furnish, for his information, particulars, in writing, of the contractor's arrangements
for the carrying out of the works, materials which the contractor intends to supply,
use or construct, as the case may be. The submission to and approval by the
Client/Consultant or their representative, of such programme or the furnishing of
such particulars, shall not relieve the contractor of any of the duties or
responsibilities under the contract. Daily, Weekly and Monthly Progress report shall
be submitted to the Clients/Consultant.
9.24 Contractor's Superintendence
The contractor shall give or provide all necessary superintendence during the
execution of the work and as long, thereafter, as the Client/Consultant may consider
necessary for the proper fulfilling of the contractor's obligations under the contract.
The contractor or a competent and authorised agent or representative, approved of
in writing by the Client/Consultant (which approval may be at any time be
withdrawn), is to be constantly at the works and shall give his whole time to the
superintendence of the same. If such approval shall be withdrawn by the
Client/Consultant, the contractor shall, as soon as practicable (having regard to the
requirement of replacing him as hereinafter mentioned), after receiving written
notice of such withdrawal, remove the agent from the site and shall not, thereafter,
employ him again on the site in any capacity and shall replace him by another agent
approved by the Client/Consultant.
9.25 Contractor's Employees
The contractor shall provide and employ the following persons on the site in
connection with the execution and maintenance of the works:
1. Only such technical assistants as are skilled and experienced in their
respective calling and such subagents, foremen and leading hands as are
competent to give proper supervision to the work they are required to supervise
and who shall be capable of receiving instructions in the local language and in
2. Such skilled semi-skilled and unskilled labourers as are necessary for the
proper and timely execution and maintenance of the works.
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9.26 Setting out of work
The contractor shall be responsible for the true and proper setting out of the works
in relation to the original points, lines and levels of reference given by the
Client/Consultant in writing and for the corrections of the parts of the works and for
the provision of all the necessary instruments, appliances and labour in connection
therewith. If at any time during the progress of the works any error shall appear or
arise in the position, levels, dimensions or alignment of any part of the works, the
contractor, on being required by the Client/Consultant or their representative, shall,
at his own expense, rectify such error to the satisfaction of the Client/Consultant.
The checking of any setting out or any line or level by the Client/Consultant or their
representative shall not, in any way, relieve the contractor of the responsibility for
the correctness thereof and the contractor shall carefully protect and preserve all
benchmarks, sight-rails, pegs and other things used in setting out of the work.
9.27 The contractor shall, if required, produce for scrutiny by the Client/Consultant or
their authorised representative, evidence if any, of his being registered with the
local PWD or CPWD, or any other authority
9.28 Watching and Lighting
The contractor shall, in connection with the works provide and maintain, at his own
cost, all lights, guards, fencing and security when & where necessary, or as
required by the Client/Consultant or their representative(s).
9.29 Care of Work
From the commencement to the completion of the works, the contractor shall take
full responsibility for the care of work thereof or for any temporary works, from any
cause whatsoever, and shall, at his own cost, repair and make good the same, so
that, at completion, the work shall be in good order and condition and in conformity
in every respect, with the requirements of the contract and the Client/Consultant's
instructions. The contractor shall also be liable for any damage to the works
occasioned by him for the purpose of complying with his obligations under clause
9.30 Defects after Completion
Any defects, shrinkage, settlement or other faults which may appear within the
defects liability period stated in the memorandum or if not stated, then within 365
days after the virtual completion of the works, arising in the opinion of the
Client/Consultant from materials or workmanship not in accordance with the
contract, shall upon the directions in writing of the Client/Consultant and or their
representative within such reasonable time as shall be specified therein be
amended and made good by the contractor at his own cost unless the
Client/Consultant shall decide that he is to be paid for such amending and making
of other persons to amend and make good such defect, etc. and all damages, loss
and expenses consequent thereon or incidental thereto shall be made good and
borne by the contractor. Should any defective work have been done or defective
material supplied by any sub contractor employed on the works who has been
nominated or approved by the Client/Consultant as defined in clause 5.6 Part 5 the
contractor shall be liable to make good in the same manner as if such work or
material had been done or supplied by the contractor.
9.31 Scope of work
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The scope of work is defined in the schedule of quantities, detailed specifications,
and technical specifications. The Contractor shall provide all necessary materials,
equipment, labour, etc, for the execution and maintenance of the work till
completion, unless otherwise mentioned in these tender documents. All materials
required for the work shall be approved by the Client/Consultant, prior to
procurement and use.
9.32 Supply of water and power
Water supply and Electricity for work at site shall be provided by the Client at one
convenient point, for the works covered under this contract. It shall be the
responsibility of the contractor to make arrangements for further distribution of
Water and Electricity throughout the plot at his own expense. The Contractor shall
pay for the Electricity consumed and Water used at the prevailing tariff rates.
9.33 Contractor's Site Office and work arrangements
1. The Contractor shall make his own arrangements at his cost, for the direction
of the execution of the work make suitable arrangements near the site,
godowns, workshops and assembly yard, if required for the execution of the
contract. The contractor shall, at his own cost provide these temporary
buildings and provide suitable water supply and sanitary arrangement.
On completion of the works undertaken by the contractor he shall remove all
temporary works erected by him (including site offices) within the Clients work
area and have the site cleared as directed by the Client/Consultant. If the
contractor fails to comply with these requirements, the Client/Consultant may,
at the expense of the contractor, remove such surplus and rubbish materials
and dispose of the same as he deems fit and get the site cleared as aforesaid,
and the expenses so incurred shall be recovered from the contractor. The
Contractor shall have no claim in respect of any such surplus material disposed
of as aforesaid. But the Client/Consultant reserves the right to ask the
contractor to vacate the land by giving 7 days notice on security reasons or on
material interest or otherwise. The Client/Consultant cannot make available
accommodation or space for the labour camp of contractor's employees.
2. As directed by the Consultant, the contractor shall provide a site office of
suitable dimensions including furniture, fans, office tables and chairs, etc.,
electricity drinking water and up keep the same till the virtual completion of the
work. This site office is exclusively for the use of the Client/Consultants
engineer/s deputed to site. All requirements that may have to be fulfilled by the
contractor must be taken care of.
9.34 Material and workmanship, Quality of materials and tests
1. All materials and workmanship shall be of the respective kinds described in the
contract in accordance with the Client/Consultant's instructions and shall be
subjected, from time to time, to such tests as the Client/Consultant may direct,
at the place of manufacture or fabrication, or on the site or any of such places.
The contractor shall, at his own expense, provide such assistance, instruments,
machines, labour and material, as are normally required for examining
measuring and testing any work and the quantity weight or quality of any
material used and shall supply samples of materials before incorporation in the
works for testing, as may be selected and required by the Client/Consultant.
2. All samples for testing shall be supplied by the contractor at his own expense
for the approval of the Client/Consultant as and when asked for.
3. The cost of carrying out any test shall be borne by the contractor.
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If any test is ordered by the Client/Consultant to be carried out by an
independent agency at any place other than site or the place of manufacture or
fabrication of the materials, then the cost of such test shall be borne by the
contractor. If the test shows materials or workmanship not to be in accordance
with the provisions of the Contract or the Client/Consultant's instructions, the
contractor has to replace/rectify the same at his own cost. The workmanship
shall be of a high order and the Contractor shall employ only such persons who
have obtained appropriate certificates of performance from the relevant
authorities in their particular field of work. If at any time, in the opinion of the
Client/Consultant, the work executed falls short of the desired workmanship,
the Client/Consultant shall have the right to direct the Contractor to re-execute
the work to the levels of acceptable workmanship, at no extra cost of the
9.35 Access to Site
The Client/Consultant and any person authorised by him shall, at all times, have
access to the works and to the site and to the workshops and places where work is
being prepared or where materials, are lying or where manufactured articles or
machinery are being obtained for the works, and the contractor shall afford every
facility for and every assistance in obtaining the right to such access.
9.36 Examination of Work
1. No work shall be covered up or put out of view, without the approval of the
Client/Consultant and the contractor shall afford full opportunity for the
Client/Consultant or their representative, to examine and measure any work
which is about to be covered up or put out of view. The contractor shall give
due notice to the Client/Consultant whenever any such work or foundation is
ready or about to ready for examination and the Client/Consultant shall without
unreasonable delay, attend for the purpose of examining such work.
2. Uncovering and making openings
The contractor shall uncover any part or parts of the works or make opening in
or through the same as the Client/Consultant may, from time to time, direct and
shall reinstate and make good such parts or part to the satisfaction of the
Client/Consultant. If any such part or parts have been covered up or put out of
view after compliance with the requirements of sub-clause (1) of this clause
which had to be executed in accordance with the contract, the expenses of
uncovering, making openings in or through, reinstating and making of the
same, shall be borne by the Client, but, in any other case all such expenses
shall be borne by the contractor and shall be recoverable from him by the
Client or may be deducted by the Client from any money due or which may
become due to the contractor .
9.37 Removal of Improper work and Materials
The contractor shall during the progress of work :
1. Remove from the site within such time or times as may be specified, any
materials which in the opinion of the Client/Consultant are not in accordance
with the contract.
2. Substitute proper and suitable materials where necessary, as per the relevant
3. Remove and properly re-execute (not withstanding any previous test thereof or
interim payment made therefore) any work which, in respect of materials or
workmanship, is, in the opinion of the Client/Consultant, not in accordance with
9.38 Default of Contractor in compliance
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1. In case of default on the part of the contractor, in carrying out the work the
Client shall be entitled to employ and pay to other persons to carry out the work
hitherto assigned to the contractor and all expenses consequent thereon or
incidental thereto, shall be borne by the contractor and shall be recoverable
from him or may be deducted from any money due or which may become due
to the contractor.
2. The contractor shall, on the written order of the Client/Consultant, suspend the
progress of the works or any part thereof for such time or times, as the
Client/Consultant may consider necessary.
9.39 The rates quoted by the contractor shall remain firm till issue of final certificate and
shall not be subject to escalation. Schedule of rates shall be deemed to include and
cover all cost, expenses and liabilities to every description and all risk of every kind
to be taken in executing, completing and handing over the work to the
Client/Consultant by the contractor. When the rates quoted for the particular item in
words and figures disagree, the rates quoted in words will be accepted as correct
9.40 Interim Payment
1. Payment shall be made against running bills. Each running bill shall be for a
minimum of 10% of the contract value. No interim payment will be made.
2. For the purpose of payment due under the contract, payment upon each
certificate will normally be made to the contractor by the Client, within 14 days
after such certificate has been issued by the Client/Consultant (with a copy to
the contractor). The Client/Consultant shall have power to make any correction
or modification to any previous certificate or to withhold any certificate of the
works, to any part thereof which are not being carried out to his satisfaction.
3. Over Payment
No payment or certificate shall protect or shall be deemed to protect and no
claim by the contractor shall be founded thereon, in case of over payment or in
case, it shall, at any time appear that the works or any part thereof have not
been executed and completed in accordance with the contract.
Deductions of money due to contractor
The Client/Consultant shall be entitled to deduct any money, from any sum
which may be payable to the contractor under the contract, to which the Client
may be entitled for recovery of such money with regard to any sum so
chargeable against the contractor. This provision shall not affect any other
remedy by action of law or otherwise.
9.41 Approval only by certificate
No certificate other than the defects liability period completion certificate, shall be
deemed to constitute approval of any work or other matter or shall be taken as
admission of the due performance of the contract or any part thereof or of the
accuracy of any claim or demand made by the contractor or of additional or varied
work having been ordered by the Client/Consultant nor shall any other certificate
conclude or prejudice any of the powers of Client/Consultant.
9.42 Issue of Defect Liability Completion Certificate
1. The contract shall not be considered as completed until the defect liability
period completion certificate shall have been signed by the Client/Consultant
and delivered to Contractor stating that the works have been completed and
rectified to his satisfaction. The defect liability period completion certificate shall
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be given by the Client/Consultant, 28 days after the expiration of the defect
liability period. If different periods of defect liability period shall become
applicable to different parts of the works, the expiration of the latest such period
shall be taken into account.
2. The defect liability period shall be for a period of 365 days from the completion
of work and commissioning and obtaining virtual completion certificate. If during
this period, in the opinion of the Client/Consultant any defects are observed
due to improper workmanship, usage of defective material, the Client shall
direct the Contractor to amend such defects at no extra cost to the Client and in
any case if the Contractor fails to comply with the written directions of the
Client/Consultant to amend and make good the defects so pointed out the
Client shall reserve the right to get such defects amended/repaired
departmentally or through another Contractor and the consequent cost shall be
dubitable to the Contract and shall be deducted from any money due to the
9.43 Compensation in case of fluctuation in market rate
No compensation will be allowed for fluctuation in the market rate for the materials
and labour, etc. or any statutory increase by the Government.
9.44 Final bill
1. Final bill however shall be paid after the approval of the bill and final certificate
issued by the Client/Consultant.
2. When the works have been completed, no payment shall be made on the final
certificate under this clause until the contractor shall have satisfied the
Client/Consultant by means of :-
(a) A declaration made by or on behalf of the contractor that all statutory
requirements to be followed by him have been met.
(b) A certificate signed by or on behalf of the commissioner for labour to the
effect that the workmen who have been employed by the contractor on the
works including workmen employed by the nominated sub-contractor and
by authorised sub-contractors, engaged directly by the contractor, have
received all wages due to them in connection with such employment, that
all dues under the labour code and all contributions to the Employees
Provident Fund required under the ordinance, have been paid, for the
works under the contract.
9.45 Security Deposit
Security deposit shall be furnished in the following manner:
1. Earnest money deposit in the form of DD of a Nationalized Bank, valid till the
virtual completion of the job, shall be furnished along with the completed
2. Retention money of 5% shall be recovered from contractor's each running bill.
This shall not carry any interest. This amount shall be refundable to him, after
completion of the Defects liability period as mentioned in the memorandum.
This shall not carry any interest.
9.46 Compensation for Delay
The time allowed for carrying out the work as entered in the contract shall be strictly
adhered to by the contractor. The work shall, throughout the stipulated period of
contract, be preceded with diligence (time being the essence of the contract). In
case the Contractor fails to complete the work within the stipulated period he shall
be liable to pay the Client as compensation, an amount equal to 0.5% of the
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contract value per week of delay or part thereof subject to a maximum of 5% of the
contract value. The compensation for the delay so paid shall not relieve the
Contractor from his obligations to complete the work.
Rates relating to the supply of materials shall include all statutory levies such as
Excise duty, Sales Tax, Service Tax and all other applicable levies. Works contract
taxes payable to State or Central Authorities is to be borne by the contractor and all
rates quoted shall be deemed to include such levies.
9.48 Income Tax
Income tax @ 2% or as applicable from time to time shall be deducted from all
payments and certificates to this effect shall be issued by the Client to the
9.49 Termination of contract by the Client
If in the opinion of the Client/Consultant the Contractor has
(a) Abandoned the contract
(b) Failed to commence the work or has without any lawful excuse suspended the
progress of work for 15 days after receiving written notice from the
(c) Failed to proceed with the works with such due diligence as required and failed
to make adequate progress to enable to complete the works within the time
schedule agreed upon.
(d) Neglected, failed persistently to observe and perform all or any of the acts,
matters, or things of this contract for seven days after written notice given by
the Client/Consultant requiring the Contractor to observe or perform the same.
(e) Worked in detriment to good workmanship or sublet or sub-contracted contrary
to the terms of the contract; then, and in any of the said cases the
Client/Consultant may in writing to the Contractor, terminate the contract and
may enter and take possession of all plant, tools, tackles, machinery and use
the same as his own property in carrying on and completing the works by
employing his own workmen or any other Contractor required to complete the
works. When the work is completed to the satisfaction of the employer he may
send notice in writing to the Contractor to remove all surplus material, tools,
tackles, and machinery, and if after receiving such notice the Contractor fails to
remove the same, the Client shall have the right to dispose off the material by
public auction or in any other way he deems fit. The Client shall be bound to
pay the Contractor for only those works completed and as certified by the
The DD deposited by the contractor along with his tender as Earnest Security
Deposit shall be returned to the Contractor on virtual completion of the work.
9.51 General Obligations
1. The Contractor Shall be responsible for all injuries to persons, animals or
things and for all structural and decorative damage to property which may arise
from the operation or neglect of himself or of any nominated Sub-Contractor's
Employees, whether such injuries or damages arise from carelessness,
accident or any other cause whatever, in any way connected with the carrying
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out of this contract. This clause shall be held to include inter alia any damage
to buildings, whether immediately adjacent or otherwise, and any damage to
roads, streets, foot paths, bridges or ways as well as all damage caused to the
buildings and works forming the subject of this contract by first or other
inclemency of weather. The contractor shall indemnify the employer and hold
him harmless in respect of all and any expenses arising from any such injuries
or damage to persons or property as aforesaid and also in respect of any claim
made in respect of injuries or damage under any acts of Government or
otherwise and also in respect of any award of compensation or damages
consequent upon such claim.
The Contractor shall reinstate all damage of every sort mentioned in this clause
so as to execute the whole of the contract works completed and perfect in
every respect and so as to make good or otherwise satisfy all claims for
damage to the property by third parties.
The Contractor shall indemnify the Client against all claims which may be made
against the employer by any member of the public or other third party in
respect of anything which may arise in respect of the works or in consequence
thereof and shall at his own expense arrange to effect and maintain, until the
virtual completion of the contract, with an approved office, a Policy of Insurance
in the joint names of the Client and the Contractor against such risks and
deposit such policy or policies with the Client from time to time during the
currency of this contract. The Contractor shall similarly indemnify the Client
against all claims, which in any be made upon the Client, whether under the
Workman's Compensation Act or any other statute in force during the currency
of this contract or at common land in respect of any employee of the Contractor
or any Sub-Contractor and shall at his own expense effect and maintain until
the virtual completion of the contract with an approved office, a Policy of
Insurance in the joint names of the Client and the Contractor against such risks
and deposit such policy or policies with the Client from time to time during the
currency of this contract.
The Contractor shall be responsible for anything which may be excluded from
the Insurance Policies above referred to and also for all other damages to any
property arising out of and incidental to the negligent or defective carrying out
of this contract. He shall also indemnify the Client in respect of any costs,
charges or expenses arising out of any claim or proceedings and also in
respect of any Award of Compensation of damage arising there from.
The Client shall be at liberty and hereby empowered to deduct the amount of
any damages, compensation, costs, charges and expense arising or occurring
from or in respect of any such claim or damage from any sum or sums due or
to become due to the Contractor.
2. The Contractor shall also insure the works and keep them insured until the
virtual completion of the contract against loss or damage by fire in an approved
office, in the joint names of the Client and Contractor (the name of the former
being placed first in the Policy) for the full amount of the contract and for any
further sum if called upon to do so by the Client, the premium of such further
sum being allowed to the Contractor as an authorised extra. Such policy shall
cover the property of the Client only, free for assessing the claim and in
connection with his services generally therein and shall not cover any property
of the Contractor or employee. The Contractor shall deposit the policy and
receipts for the premiums with the Client. In default of the contractor insuring as
provided above, the Client may so insure and may deduct the premiums paid
from any money which may become due to the Contractor.
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9.52 Nothing in the clause 8.50 and 8.52 is construed to take away or to waive or, in any
manner, to modify the right of the Client/Consultant to be indemnified by the
contractor in respect of all compensation costs and the expenses whatsoever,
which, by reason of the contractor's default or otherwise, become payable by the
employer under any legislation or other law.
9.53 Opportunities for other Contractors
The contractor shall in accordance with the requirements of the Client/Consultant,
afford all reasonable opportunity for carrying out their work to any other contractors
employed by the Client and their workmen and to the workmen of the Client and of
any other duly constituted authorities, who may be employed in the execution of
work on or near the site of any work not included in the contract which the Client
may enter into, in connection with, or ancillary to the works awarded to the
9.54 Supply of Plant, Material and Labour
Except where otherwise specified, the contractor shall, at his own expense, supply
and provide all the constructional plant, temporary works, materials, both for
temporary and for permanent works, plant/equipment/labour (including the
supervision thereof)/transport to or from the site and in and about the works and
other things of every kind, required for the construction, completion and
maintenance of the works/plants/equipment’s. The contractor will have a sign a
Non-Disclosure Agreement, if the contractor’s activity on site will extend beyond
one hour. Contractors and their employees are expected not to discuss anything
observed in our facilities with anyone outside of Baxter.
9.55 Clearance of site
1. The contractor shall, at all times, keep the site affected by his operations free of
obstructions, except where this is unavoidable for the construction of the works.
The contractor shall at any time, if directed by the Client/Consultant, clear away
and remove from the site any redundant constructional plant, surplus materials,
rubbish and temporary work no longer required and leave the part of the site
affected clean and tidy to the satisfaction of the Client/Consultant.
2. On the completion of the work, contractor shall clear away and remove from
the site, all constructional plant, surplus materials, rubbish and temporary
works of every kind and leave the whole of the site and works clean and in a
workmanlike condition, to the satisfaction of the Client/Consultant.
3. Contractors and their employees shall leave their work areas clean and in an
orderly condition on a daily basis. The shall also include a general clean up of
trash. Materials, tools and/or equipment shall be arranged in an orderly
manner. At the completion of work, materials, tools and equipment must be
promptly removed from the work site.
9.56 A. Labour
1. Labour Rules
In respect of all labour directly or indirectly employed on the works by the
contractor, the contractor shall comply with the provisions of the contract labour
(Regulation and Abolition) Act 1979, minimum wages Act 1948, Payment of
Wages Act 1936 and any amendments thereof and all legislations and rules of
the State and/or Central Government or other local authorities, framed from
time to time, governing the Protection of Health, Sanitary arrangements,
Wages, Welfare and Safety for labour employed on building and construction
works and for bonus, retirement benefits, retrenchment/lay off, compensation
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and all other matters involving liabilities of employers to employees. The rules
and the other statutory obligations with regard to fair wages, welfare and safety
measures, maintenance of register, etc., will be deemed to be part of the
contract. The contractor shall liable for third party insurance
2. Reporting Accident To Labour
The contractor shall be responsible for the safety of all the employees and/or
workers employed or engaged by him on and in connection with the works and
shall forthwith report all cases of accidents to any of them, however caused
and whenever occurring, to the Client/Consultant or his representative and
shall make every arrangement to render all possible assistance and medical
aid to the victims of the accident.
The contractor shall maintain at site minimum medical facilities to attend to the
injured workmen and it shall be his responsibility to provide medical facilities in
nearby hospitals in case of need.
3. Engagement Of Labour
The contractor shall make his own arrangements for the engagement of all
labour, local or otherwise and provide for the transport, housing, feeding and
payment thereof. Any law and order situation or problem arising out of any
such labour or engagement thereof will have to be solved by the contractor
4. Supply Of Water
The contractor shall provide on the site an adequate supply of drinking and
other water for the use of the contractor's staff and workmen, at his own cost.
5. Alcoholic Liquid or Drugs
The contractor shall not, otherwise than in accordance with the statutes
ordinance and Government Regulations or orders for the time being in force,
import, sell, give, barter, or otherwise dispose of any alcoholic liquor or drugs or
permit or suffer any such importation, sale, gift, barter, or disposal by his
subcontractors, agents or employees.
6. Arms and Ammunitions
The contractor shall not give, barter or otherwise dispose of, to any person or
persons, any arms or ammunition of any kind or permit or supply the same as
7. Festivals And Religious Customs
The contractor shall, in all dealings with labour in his employment, have due
regard for all recognized festival days of rest and religious or other customs.
In the event of any outbreak of illness of an epidemic nature, the contractor
shall comply with and carry out such regulations, orders and requirements as
may be made by the Government or the local medical or sanitary authorities,
for the purpose of dealing with the overcoming of the same.
9. Disorderly Conduct
The contractor shall, at all times, take all reasonable precautions to prevent any
unlawful, riotous or disorderly conduct by or amongst his employees and for the
preservation of peace and protection of persons and property in the
neighborhood of the works against the same.
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B. Observance by Sub-contractors
The contractor shall be responsible for observance by his sub-contractor of the
(a) If established industrial rates and conditions of employment as hereinafter
defined, exist in the district in which this contract is to be performed, the
contractor shall, in respect of all workmen employed by him and for the
performance of this contract, pay rates of wages and observe conditions of
employment not less favorable than such established industrial rates and
conditions of employment.
(b) If no established industrial rates and conditions exist in the said district the
contractor shall, in respect of the said workmen, pay rates of wages and
observe conditions of employment not less favourable than the established
industrial rates and conditions existing in other districts for similar work carried
out under similar circumstances.
(c) In the absence of the established industrial rates and conditions the contractor
shall, in respect of the said work, pay rates of wages and observe conditions of
employment not less favourable than those established for Government
employees engaged in similar trade or occupations.
(d) In this clause the expression "established industrial rates and conditions"
means rates of wages and hours and conditions of employment for trade or
industry established by agreement, negotiation or arbitration by the parties to
which the organizations of employers and trade unions representing
respectively substantial proportions of employers and workmen engaged in the
said trade or industry are concerned.
(e) The contractor shall make necessary arrangements for all his labour/workmen
the Employees State Insurance (ESI)/Medical Insurance for this contract.
9.57 Dispute With Respect To Wages
In the event of any dispute or difference as to the rates of wages to be paid or the
conditions of employment to be observed in accordance with clause 8.56 hereof,
such dispute or difference shall, unless otherwise disposed of, be referred to the
commissioner of labour, for decision, provided that in the event of any party being
aggrieved, an appeal shall be to an appeal tribunal to be appointed by the
Government, provided, however, that the contractor also will be responsible for any
delay or soft- pedaling of the work, if any, arising out of any such action.
9.58 Wages Books And Time Sheets
The Contractor shall keep proper wage books and time sheets, showing the wages
paid to and time worked by all workmen employed by him, in connection with and
for the performance of this contract and shall produce such wage books and time
sheets & such information relating to the wages and conditions of employment of
such workmen to the Client/Consultant or his duly authorised representative who
may from time to time demand the same.
9.59 Date Of Commencement Of Work
The work covered by this contract shall be commenced within seven days after the
receipt of the letter of intent/ award of contract, whichever is earlier and be
completed in stages on or before the dates as mentioned in the tender.
9.60 Time Schedule Of Construction
The general time schedule shall be given from time to time by the Client/Consultant.
The Contractor should prepare a detailed monthly or weekly construction
Keltron Tool room cum Training centre, Kuttippuram 77
programme jointly with the Client/Consultant. The period of construction should be
to the satisfaction of the Client/Consultant.
9.61 The Contractor shall take all care to satisfy all statutory regulations such as Social
Welfare Acts, Labour Laws, Workmen Compensation Act, Factories Act, etc.. The
Contractor shall be responsible for the behavior and conduct of his employees and
workmen and remove such as those who misbehave or misconduct, at the written
direction of the Client/Consultant and shall not employ such person again without
the express permission of the Client/Consultant.
9.62 The Contractor shall maintain carefully all logs and records required by the statutory
authorities and also by the Client/Consultant and produce the same as and when
demanded to be shown to the proper authorities.
9.63 Safety Requirements
9.63.1 Personal Protective Equipment
Personal protective equipment (PPE), including hard hats, safety glasses, gloves,
safety shoes and other such equipment shall be provided as required for Contractor
personnel by the Contractor. The Contractor shall provide training in the use, fit,
maintenance and safe disposal of any PPE required to be worn by Contractor
Personnel, the equipment shall be provided by the Client.
Non-metallic hard hats meeting IS specifications shall be worn at all times by all
personnel at the work site, with the exception of those areas where the Client
Representative has indicated it is not necessary to do so.
Where safety glasses with side shields are required, the side shields may be
permanently attached or in the case of prescription glasses, they may be of the clip-
on variety. All safety glasses and side shields shall be worn at all times except
where Client representative has indicated it is not necessary. Face shields and/or
cover goggles shall also be required where possible exposure to particulate matter
generated by hammering, chipping, welding, grinding, cutting, heating, burning, or
insulation handling or where there is possible exposure to hazardous chemicals,
acids, caustics, or dust.
Personnel shall wear personnel clothing and footwear that is safe and proper for the
work and any job site exposures. At a minimum, full length trousers and T-shirts are
Safety shoes with steel reinforced toes are recommended for all Contractor
personnel on site. In all cases, Contractor personnel shall wear work-shoes that are
commensurate with the hazards of the work and the work site area.
The Contractor shall encourage and provide employees to wear work gloves
whenever practical and safe to do so.
The contractor will be responsible for the following:
(a) Fire exits and passageways must not be blocked at all times.
(b) Materials are not to be stored or stacked over 2.4 meters high within the building.
(c) All the activities at Baxter are performed in such a fashion to achieve work class
levels of low environmental impact. Keeping the above in mind, misuse or
mismanagement of hazardous chemicals by contractor personnel while conducting
work on site will not be tolerated. If the need arises, contractor personnel may
request assistance from the Environment, Health and safety Department, when
dealing with chemicals or materials that are likely to have Environmental Impact.
(d) Suitable signs or barricades must be set up to clearly identify hazards caused by
the contractors when applicable.
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(e) All machines, equipment, electrical circuits, pipelines, etc., which will be repaired
must first be tagged out of service with a ‘Danger Do Not Operate’ tag. This tag
shall have the date and contractor’s name. In addition, the disconnect or supply
valve must be physically locked to prevent the inadvertent operation, which could
expose any person to possible injury.
9.64.2 Elevated Work
Personnel, while working at an elevated position, shall be provided with adequate
protection from falls should a slip or other unexpected fall-producing situation occur.
Such protective measures shall include :
Guard-rails with mid-rail and toe-boards shall be installed on all open sides of
elevated platforms or scaffolds over 6 feet (1.8 meters) high.
Each part of the platform or scaffolding shall be capable of supporting at least four
times its intended load. Footings shall be sound and rigid. Concrete blocks, bricks,
barrels, or similar items shall not be used for supports. All planking shall be
overlapped and secured to prevent movement.
Where guard-rails are required but not practical, a safety belt and lanyard. Safety
harnesses are recommended and must be used. Safety net, or other approved fall
restraining device shall be used.
Where metal scaffolds are used, such scaffolds three sections or higher shall be
guyed with rope or wire at each corner.
All manufacturer’s bracings, couplings, or stacking and vertical locking pins shall be
installed on metal scaffolding.
All vehicle-mounted Elevating and Rotating Work Platforms shall meet the design
construction test specifications and shall be subject to inspection by the Client
All elevated work platforms shall be inspected each day by the Contractor. Defects
shall be corrected prior to any use.
Use of Ladders
When the work requires the use of a ladder, the Contractor shall observe and
enforce the following rules :
Manufactured ladders shall meet the applicable Codes for wood or metal ladders.
Metal ladders are prohibited for use at existing Client work sites where the site is in
an operational mode.
Extension or straight ladders shall be equipped with non-skid safety feet and shall
be no more than 40 feet (12.1 meters) in height. Maximum height of a step ladder
shall be 20 feet (6.1 meters). Ladders shall not be used as platforms or scaffold
planks. Extension and straight ladders shall be tied off at the top and/or bottom
when in use. Until secured, a second person shall keep the ladder from slipping.
Only one person shall be allowed on a ladder at a time.
Where personnel must perform work with their hands from a ladder, a safety belt or
other restraining device secured to a stationary object shall be worn. Ladders shall
not be used to perform work that requires substantial exertion.
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PART 10 - DRAFT AGREEMENT
Articles of agreement made this the.......................................... day of
......................................... between, General Manager, Project office, Keltron Complex,
Aroor (hereinafter called "The Client") of the one part and
..................….......................................... (whose registered office is situated at
...................................................................................……………. hereinafter called "The
Contractor") of the other part.
Whereas the Client is desirous of Civil construction works for Keltron Tool room cum
Training centre, Sy. No 499,Thavanur panchayath,Malappuram
Drawing, specifications and schedule of quantities describing the work prepared by Prima
Arch, and whereas the said drawings are issued from time to time, the notice of tender,
general instructions to Contractors, the specifications and/or the schedule/or the
quantities have been signed by on behalf the parties here to and whereas the Contractor
has agreed to execute upon the said drawings and/or described in the said specifications
and included in the said schedule of quantities at the rates therein set forth amounting to
the sum of Rs...........................................(hereinafter referred to as "The said Contract
And whereas the Contractor has agreed to 5% deduction by the Client from each running
bill towards retention money which will be returned by the Client without interest after the
expiry of the defects liability period or on the furnishing by the contractor of a Bank
Guarantee of a Nationalized/scheduled Bank for the entire amount of the retention
money, valid till the expiry of the defects liability period for the due observance and
performance of this contract or removal of defects or payments of final bill whichever shall
Now it is hereby agreed as follows:
1. In consideration of the payments to be made to the contractor as set forth in
the said conditions, the contractor shall upon and subject to the said conditions
execute and complete the work, shown in the said drawings and described in
the said specifications.
2. The Client shall pay the contractor the said contract amount worked out based
on the actual work done or such other sum as shall become payable at the time
and in the manner hereinafter specified in the conditions.
3. The Client, through the Consultants, reserves to himself, the right of altering
the drawings and nature of work and of adding to or omitting any item of work
and of having portions of the same carried out by the Client or otherwise and
such alterations or variations shall be carried out without prejudice to this
4. The said contract comprises the works above mentioned and all subsidiary
works connected therewith, within the same site, as may be ordered to be done
from time to time, by the Client/Consultant, even though such works may not
be shown on drawings described in the said specifications or the schedule of
5. The said conditions shall be read and construed as forming part of this
agreement and the parties hereto shall respectively abide by, and submit
themselves to the conditions and perform the agreement on their part
respectively on such conditions contained
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6. All disputes arising out of or in any way connected with this agreement shall be
deemed to have arisen in New Delhi and only courts in New Delhi shall have
the jurisdiction to determine the same.
7. The several parts of this contract have been read by/to us and are fully
understood by us.
Signed on this the . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . day of . . . . . . . . . . . . . . . . . . .
. . . . . . . . . .2010
signed by the said
(Witness) in the presence of………………………………………………
Signed by the
(Witness) in the presence
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PART 11 - AFFIDAVIT OF CONTRACTOR
State of ______________________________ District _______________________ of
___________________________ being first duly sworn on oath deposes and says as
1. Affiant is the ___________________________ of _______________________
(herein called “Contractor”) is familiar with the facts herein stated, makes this
affidavit for and on behalf of contractor, and is duly authorised to bind contractor
by the statement herein contained.
2. Contractor has performed work and labor or furnished material, machinery,
equipment or supplies for use or a combination of same, for the period from
_______ thru __________ in construction, alteration, repair or improvement of
structures, property of premises owned by ______________ (herein called
“Baxter (India) private Limited”), situation at ________________ under contract
3. Contractor has fully paid for all work, labor, material, machinery, equipment and
supplies furnished to it by others upon such premises or in connection therewith
for the period of up to and including ______ day of ____________ 2010, exclusive
of retainage withheld, if any.
Subscribed and sworn to before me
This day of ___________ 2010
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