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Admin. Proj. Kharghar

Dear Sir,

HVAC Works at BPCL Office Complex, Kharghar, Navi Mumbai

Collective RFQ No.:1000184869

It is proposed to carry out HVAC works at our new Office Complex, Plot no.6, Sector-02, Kharghar,

Navi Mumbai.

Bharat Petroleum Corporation Limited has launched an e-procurement initiative

(https://bpcl.eproc.in) as per the directive given by MOP&NG/CVC wherein tender floating

and tender opening shall be on-line. Please refer to the tender enquiry in the above site for

detail Bill of materials and the terms of the conditions of the RFQ. Submission of bids shall

happen on-line on the website.

Please find the enclosed tender documents for the subject services comprising of the following:

Section I : Technical Bid

Section II : Commercial Bid

You are requested to submit your most competitive offer on two part bid basis i.e. Technical &

Commercial bid. The technical bid should not be indicative of prices quoted by the Tenderer in any

form.

The bids should be submitted on or before the due date i.e. 14.05.2013, before 15 00 hrs.

Extension of due date, if any, will be at sole discretion of BPCL.

Interested vendors should fulfil the following criteria and need to submit relevant documentary

proof at our office or vendors can upload it online at e-procurement site:

i. Only the original Equipment Manufacturers (OEM) will be considered for evaluation.

ii. The OEM should have successfully executed at least 3 jobs of similar nature and value of ` 3.0

Crores during the last three years.

iii. The OEM should be able to submit a Solvency Certificate for a minimum amount of ` 3.0

Crores.

iv. The OEM should have their service centres within the limits of Greater Mumbai/ Navi

Mumbai.

The tenderer should visit the site and acquaint himself with the site conditions i.e. space available

for stacking material & working place, availability of water, electricity, approach roads, construction

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materials as per specifications, shelter for his staff/labour etc., since these are to be provided

/arranged by the tenderer at his cost.

Technical bid should enclose confirmation of also our scope of services and terms and conditions

from your end.

The terms & conditions applicable to Integrity Pact is enclosed for ready reference. The same needs

to be accepted signed and uploaded along with the Technical Bid. Please note the following for the

Integrity Pact:

a) Proforma of Integrity Pact shall be returned by the Bidder/s along with the bid documents

(technical bid in case of 2 part bids), duly signed by the same signatory who is authorized to

sign the bid documents. All the pages of the Integrity Pact shall be duly signed. Bidder's

failure to return the IP duly signed along with the bid documents shall result in the bid not

being considered for further evaluation.

b) If the Bidder has been disqualified from the tender process prior to the award of the contract in

accordance with the provisions of the Integrity Pact, BPCL shall be entitled to demand and

recover from Bidder Liquidated Damages amount by forfeiting the EMD/Bid Security as per

provisions of the Integrity Pact.

c) If the contract has been terminated according to the provisions of the Integrity Pact, or if

BPCL is entitled to terminate the contract according to the provisions of the Integrity Pact,

BPCL shall be entitled to demand and recover from Contractor Liquidated Damages amount

by forfeiting the Security Deposit/ Performance Bank Guarantee as per provisions of the

Integrity Pact.

d) Bidders may raise disputes/complaints if any, with the nominated Independent External

Monitor, details of which are given below:

Name: Mr. T. S. Krishnamurthy,

Address: Flat no. 9 Gokul Tower,

Next to Mookambika complex,

No. 7 C.P. Ramaswamy Road Alwarpet,

Chennai- 600 018

The quote should include all material, labour, water, electricity, power equipment, tools, tackles,

centering, shoring, lifts, leads, scaffolding, excise, customs, sales tax, income tax etc. or any other

taxes/duties imposed by the Central/State Govt. during the pendency of the contract.

However the tenderer should clearly specify Excise Duty, VAT, Service Tax and any other taxes,

levies, duties etc. separately. In case the rate of taxes etc. is not mentioned, then your quote will be

deemed as inclusive of all taxes. Also, all variation / imposition of taxes, duties, levies etc. during

the pendency of the contract will be reimbursed as per documentary proof and acceptance of the

same by BPCL.

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The rates quoted shall be valid for a period of six months from the due date of opening of tender

documents. Once the quotation is accepted, the rates quoted shall remain firm till entire works are

completed in all respects.

You are required to submit an Earnest Money Deposit (EMD) of Rs. 1,00,000/- (Rupees One

Lakh only) at our office , address mentioned below, before the due date and time.

Sr. Manager (Admin.) HRS

Bharat Petroleum Corporation Ltd.,

Admin Department,

Bharat Bhavan- III, 4th

Floor,

4 & 6 Currimbhoy Road,

Ballard Estate,

Mumbai 400 001

EMD should be in the form of a demand draft favouring “Bharat Petroleum Corporation Ltd.”

along with the tender. The details of the EMD have to be furnished in the EMD section in the

E-tender. The EMD of the successful Tenderer will be retained till the commencement of work and

then adjusted against Security Deposit. No interest will be payable on earnest money deposit.

EMD is liable to be forfeited in the event of:

i. Vendors withdraw or alter their bid during the bid validity period.

ii. Non-acceptance of LOI/order, if and when placed.

iii. Non-payment of Performance Bank Guarantee amount against LOI/ Purchase Order within the

stipulated period of 15 days from date of LOI/ the Purchase Order whichever is earlier.

EMD will be returned to unsuccessful bidder immediately after award of the contract. Successful

bidder EMD will be converted to Security Deposit and will be released after submission of

Performance Bank Guarantee.

The technical bids will be opened in the presence of bidders or online on the due date/time i.e.

14/05/2013 at 15:00 hours. On completion of the technical evaluation, the Price bids of only those

bidders whose bids are technically acceptable will be opened. The evaluation of bid will be done on

overall lowest L1 basis inclusive of all taxes, duties, levies, insurance, installation / commissioning

charges, AMC charges etc.

The bidders shall be informed in advance the date/time of opening of the Price bids.

BPCL reserves the right to accept or reject any or all quotations without assigning any reasons.

For any clarifications, you may contact Ms Babita Naik on 022-2271 3153/ Mr. Vijay Dsouza,

Sr. Manager Admin. (HRS), CO on any working day during 10.00 am to 4.00 pm on 022-2271 3171.

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Instructions for filling up the Tender

1. The Tenderer should study the tender documents carefully and understand the conditions etc.

before quoting. If there are any doubts, he should obtain clarification, but this shall not be a

justification for late submission or extension of due date of the tender. Tender should be

strictly in accordance with the Tender Documents.

2. The Tenderer should quote for all items in the Commercial bid. The rate should be quoted in

the same units as mentioned in tender schedule.

3. The quoted rates shall be valid for a period of at least 6 months from the date of opening of the

tender. No upward revision of rates will be accepted after opening of the tender.

4. Canvassing in connection with Tenders submitted by the Tenderers shall be liable for rejection.

5. The acceptance of the Tender will rest with Bharat Petroleum Corporation Ltd. who do/does

not bind themselves/himself the right to reject any or all the tenders received without assigning

any reason or accept the whole or any part of the Tender received and the Tenderer shall be

bound to perform the same at the quoted rates.

6. BPCL reserves the right to reject any or all tenders without assigning any reason whatsoever

and / or to carry out negotiations with the tenders in the manner considered suitable by BPCL.

7. Tenderer may have to attend the concerned office of BPCL for Negotiations / Clarifications

required by them in respect of their quotations without any commitment on the part of BPCL.

In case of negotiations, the Tenderer should send the confirmation of such negotiations so as

to reach BPCL within 3 working days from the date of negotiations, failing which BPCL

reserves the right to ignore the quotation.

8. On completion of the technical evaluation, the commercial bids of only those bidders whose

bids are technically acceptable will be opened. The technically qualified bidders shall be

informed in advance the date/time of opening commercial bids.

9. Excise duty, Service tax / VAT / duties, levies or any other taxes etc. should be quoted

separately in the Techno-Commercial as well as Commercial Bids. In case the rate of taxes

etc. is not mentioned, then your quote will be deemed as inclusive of all taxes. Also, all

variation / imposition of taxes, duties, levies etc. during the pendency of the contract will be

reimbursed as per documentary proof and acceptance of the same by BPCL.

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GENERAL TERMS AND CONDITIONS OF CONTRACT

1. Interpretation:

In construing these conditions, the specifications, the priced Bills of Quantities, Tender

and Agreement, the following words shall have the meanings herein assigned to except

where the subject or context otherwise requires:

"EMPLOYER" shall mean Bharat Petroleum Corporation Ltd. and his heirs, legal

representatives, assigns and successors.

"VENDOR" shall mean the individual or firm or company, whether incorporated or not,

undertaking the works and shall include legal personal representatives of such individual or

the persons comprising such firm or company, or the successors of such individual or firm or

company and the permitted assigns of such individual or firm or company.

"ARCHITECT" shall mean M/s.……………………………………………….……….., and

shall include their legal representatives, assigns whose registered office is situated at

...……………………………………………………………………………………………...

"SITE" shall mean plot of land situated at plot no.6, Sector-2, Kharghar, Navi Mumbai of

contract works as allotted by the Employer or the Architect for the purpose of carrying out this

contract.

"CONTRACT" shall mean the Articles of Agreement, the conditions, the priced Bill of

Quantities, the Specifications, the Appendix, the Drawings, additional instructions issued till

the receipt of the Tender and subsequent correspondence if any till the date of acceptance

of tender and the letter of acceptance of contract.

"ACT OF INSOLVENCY" shall mean any act of Insolvency as defined by the Presidency

Towns Insolvency Act, or the Provincial Act or any amending Statute.

"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 delivered) 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.

"VIRTUAL COMPLETION" shall mean the date on which in the opinion of the Architect

/Employer, works have been satisfactorily completed.

“SITE ENGINEER” shall mean the authorised representative of the employer at site.

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2. Taxes, Insurance, Freight and Octroi (LBT):

2.1 Taxes and Duties:

All Vendors shall have VAT / CST / GST / Service Tax registration in the concerned State and

vendor shall quote their TIN number in the quotation.

2.2 Excise Duty:

Excise duty extra as applicable at the time of delivery within scheduled delivery period will be

payable by BPCL against documentary evidence. Vendor shall mention in their offer, the

percentage of excise duty applicable at present.

Vendor shall ask the transporter of the goods to hand over the copy of excise invoice

(transporters copy) at the time of delivery of goods at Owners‟ site.

2.3 Sales Tax / VAT / GST:

Sales Tax as applicable at the time of delivery within scheduled completion period will be

payable by BPCL. Vendor shall give details of local sales tax and/or central sales tax currently

applicable in their offer. The rates applicable for CST without form C, CST with form C and

VAT shall be clearly indicated.

Input VAT Credit may be claimed by BPCL, wherever applicable. Vendor shall submit the

TAX invoice.

2.4 Service Tax:

All vendors shall have service tax registration. The vendor should quote service tax separately,

if applicable. Vendor shall submit the TAX invoice. Vendor is required to furnish serially

numbered and signed invoice / bill / challan containing the following details:

a) Name, address and registration number of the service provider

b) Name and address of person receiving taxable service

c) Description, classification and value of taxable service provided

d) Service Tax Payable

2.5 Transit Insurance:

Transit insurance upto the point of delivery at site will be in the scope of the Vendor and has to

be included in the Basic cost of the items. The rates quoted by the bidder should be inclusive

of insurance charges if any and applicable taxes/duties /service tax etc.

2.6 Freight and Octroi (LBT):

Freight: Firm freight charges to be quoted as indicated in the Tender documents.

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Octroi and entry taxes, if any, shall be invoiced separately and shall be reimbursed by BPCL at

actual after receipt of the Material(s) at the site against the submission of original documentary

evidence for proof of payment of the related Octroi and entry taxes, as the case may be.

2.7 New Statutory Levies:

All new statutory levies leviable on sale of finished goods to owner, if applicable are payable

extra by BPCL against documentary proof, within the contractual period.

2.8 Variation in Taxes/Duties:

All variation / imposition of taxes, duties, levies etc. during the pendency of the contract will

be reimbursed as per documentary proof and acceptance of the same by BPCL.

3. Order Award / Evaluation Criteria:

Order award criteria will be on lowest quote basis inclusive of Basic Price, Packing &

Forwarding Charges, Excise Duty, Sales Tax, Insurance, Freight, Inspection, Octroi,

Installation, Testing & Commissioning and other taxes & levies, loading etc,

3.1 Confirmation of Order:

The vendor shall acknowledge the receipt of the purchase order within 10 days of mailing the

same. The vendor shall sign, stamp the acknowledgement copy of the purchase order and

return the same to BPCL.

4. Bar Chart:

Vendor shall prepare BAR CHART adhering to the completion time mentioned in the

agreement and submit the same for approval of the Architect and for his record within 15 days

of the award of the Contract. The chart shall indicate the expected date of commencement and

completion of each of the items of work. The Bar Chart will form part of the contract.

However, the Corporation reserves the right to alter the Bar Chart, if necessary, from time to

time and no claim of tenderer on account of such alteration, will be entertained.

5. Completion Period:

Supply, installation, testing and commissioning of the entire HVAC System shall be completed

and handed over to us within 07 (Seven) calendar months from the date of LOI including

ducting layout approvals, installation, testing and commissioning of units etc.

Time being the essence of this contract, the completion period mentioned in the purchase order

shall be strictly adhered to and no variation shall be permitted except with prior authorization

in writing from the Owner.

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The contractual completion period is inclusive of all the lead time for engineering/

procurement of raw material, manufacturing, inspection/testing, packing, transportation,

installation, testing, commissioning or any other activity whatsoever required to be

accomplished for effecting the commissioning of HVAC System at site.

6. Liquidated Damages for Non-Completion:

If the tenderer does not complete works in the stipulated time, the Corporation reserves the

right to recover Liquidated Damages at the rate of 0.5% of the actual contract value

(without AMC charges) per week of delay or part thereof, subject to a maximum of 5% of the

actual contract value (without AMC charges). Such liquidated damages may be deducted by

the Corporation from any money due to the tenderer and any further amount due from the

tenderer shall be paid by the tenderer to the Corporation forthwith.

7. Virtual Completion Certificate:

When in the opinion of the Employer the works are practically completed & handed over the

possession to the Employer, he shall forthwith issue a certificate to that effect and virtual

completion of work shall be deemed for all purpose of this contract to have taken place on the

day named in such certificate & defect liability period shall commence from the date of such

certificate.

8. Interim Payments:

The Contractor shall be paid by the Employer under interim certificates to be issued by the

Architect to the Contractor on account of works executed when in the opinion of the

Engineer-In-Charge/Architect as value of works for interim certificates has been executed

in accordance with the contract, upto 90% of the payment.

However, the Payment Terms for Supply Items shall be as follows:

70% of the contract value on receipt of material at site.

20% payment shall be made on installation (virtual completion) of the works.

Balance 10% shall be against submission of 10% Performance Bank Guarantee (PBG) and

completion of all works incl. testing, commissioning.

Performance Bank Guarantee (PBG) shall be for 10% of order value for all the items put

together (supply & installation) valid till the end of the defects liability period. The bank

guarantee shall be valid (shall remain in force) till the end of defects liability period with an

invocation period of six months thereafter.

The materials should be brought to the site nearer the time of requirement and recovery of

advances will be started as soon as the materials are used.

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All payments shall be subjected to deduction of all taxes as may be applicable from time to

time. Engineer-In-Charge/Architect shall be empowered for allowing part rates of items in the

running payments as deemed fit.

The payment will be made through NEFT to your bank account.

9. Final Bills:

When the works have been virtually completed and Architect issues certificate in writing that

have been so complete, the Contractor shall be paid by the employer in accordance with the

certificate to be issued by the Architect, the sum of money after adjusting the interim

payments subject to retention of the retention money as follows:

a. Payment for each of the running bill of the Contractors shall be limited to 90% of the value

of work certified.

b. At the end of the contracted work 10% retained value as above will be converted to

retention money for a period not less than twelve months from the date of virtual

completion.

The Bank Guarantee deposited against Retention Money shall be retained for a period of

Twelve months referred to as "Defects Liability Period" and the Contractor shall be entitled

for payment of Retention Money after the expiry of the defects liability period from the date

of virtual completion or soon after expiration of such period as the works shall have been

fully completed and all defects made good according to the true intent & meaning here of

whichever shall last happen. Provided always that the issue of certificates during the

progress of the works or after their completion, shall not relieve the Contractor from his

liability under various clauses of GCC in case of fraud, dishonesty or fraudulent

concealment relating to the works or materials or to any matter dealt within the certificate

and in case of all defects and insufficiencies in the works or materials which a reasonable

examination would not have disclosed. No certificate of the Architect shall itself be

conclusive evidence that any works or materials to which it relates are in accordance with

the contract.

Architects/Employer shall have the power to withhold any certificate of the works or any parts

thereof are not being carried out to their satisfaction.

No interest will be paid on the money retained by the Employer. Payments of running bills

shall be made within a period of 15 days from the date of certification of the bill by the

Architect.

10. Payment Terms for Comprehensive AMC Charges:

The payment towards Comprehensive AMC Charges shall be made on Quarterly basis at the

end of each Quarter after successful completion of AMC.

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11. Payment during Extension of Time:

In case of delay, pending the approval of extension of date of completion, if required, interim

payment shall continue to be made until extension of time is granted by Employer. In this

regard, Contractor shall timely apply for extension of time specifying all valid hindrances of

delay.

12. Retention Money:

Retention Money at the rate of 10% of value of the works done shall be retained from each

payment made to the Contractor on the running bills. No interest will be paid on money

retained by the Corporation and at the end of the contracted work, 10% retained value as above

will be converted to Retention Money for a period not less than twelve months. Any defects

noticed during the inspection and earlier shall be made good by the successful tenderer at his

cost to the satisfaction of the Engineer-In-Charge. In the event of tenderer failing to make

good the defects, the company shall have the right to get the defects rectified by any other

agency at the cost of the tenderer and for this purpose deduct such sums from the retention

money. The retention period of twelve months will commence from the date of virtual

completion.

The retention amount shall be released to the Contractor on submission of Bank Guarantee

equivalent to 10% of the contract amount in place of retention money in cash. Bank Guarantee

shall be valid to cover the contract period & defect liability period with the claim period valid

for a further period of 3 months from the date & expiry of the Defect Liability Period.

13. Obtaining Statutory Approvals / Certificates:

If required, it will be the responsibility of the tenderer to get the works approved and obtain

certificates. The necessary approvals/NOCs from local Municipal /Govt. Authorities or

other approved authorities at his own cost. The rates quoted shall cover all expenses to be

borne for obtaining the above approvals/certificates/connections. However, any statutory fees

to be paid on account of the above shall be reimbursed by the Employer on production of

documentary proof.

14. Guarantee / Warranty:

Materials shall be guaranteed against manufacturing defects, materials, workmanship and

design for a period of 12 months from the date of commissioning. The warranty for

replacement of material/ accessories should be provided free of charges at our premises. The

above guarantee/warranty will be without prejudice to the certificate of inspection or material

receipt note issued by us in respect of the materials.

All the materials including components and sub contracted items should be guaranteed by the

vendor within the warranty period mentioned above. In the event of any defect in the material,

the vendor will replace/repair the material at BPCLs concerned location at vendors risk and

cost on due notice.

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In case, vendor does not replace / repair the material on due notice, rejected material will be

sent to the vendor on Freight to pay basis for free replacement. Material after rectification of

defects shall be dispatched by the Vendor on freight paid basis. Alternatively, BPCL reserves

the right to have the material repaired / replaced at the locations concerned, at the vendors risk,

cost and responsibility. The Vendor shall provide similar warrantee on the parts, components,

fittings, accessories etc. so repaired and / or replaced.

15. Electricity:

Vendor shall make his own arrangements for electrical supply required for installation of the

works. The Vendor has to pay the connection fees, deposits and other charges for the

connection and use made thereof prior to the completion. The Vendor at his own cost shall lay

all pipes, electrical lines and remove the same after completion. The delays committed in this

regard shall solely rest with the Vendor. However, 3 phase electrical supply will be provided

by BPCL for commissioning of the works.

16. Architect's Status and Decision:

i. Architect shall be the Employer's representative during the construction period. Architect shall

periodically visit the site to familiarise himself generally with the progress and the quality of

the work and to determine in general if the work is proceeding in accordance with the

contract documents. He shall not be required to make exhaustive or continuous on site

inspection to check the quality or quantity of the work and he shall not be responsible for the

Contractor's failure to carry out the construction work in accordance with the contract

document. During such visits and on the basis of his observations while at the site, he shall

keep the employer informed of the progress of the work, shall endeavor to guard the

employer against defects and deficiencies in the work of the Contractor and he shall

condemn work which fails to conform to the contract document. He shall have authority to

act on behalf of the employer only to the extent expressly provided in the contract document.

He shall have an authority to stop the work whenever such stoppage may be necessary in his

reasonable opinion to ensure the proper execution of the contract.

Architect shall be in the first instance the interpreter of the conditions of this contract and the

judge of its performance. He shall side neither with the employer nor with the Contractor but

shall use his powers under the contract to enforce the faithful performance by both.

ii. Architect shall within a reasonable time make decisions on all claims of the Employer or

the Contractor and all other matters relating to the execution and progress of the work or the

interpretation of the contract document.

Architect with the concurrence of Corporation may from time to time issue further drawings,

details and/or written instructions, written directions and written explanations in regard to:

a. Variation or modification of the design.

b. The quality or quantity of works or the additions or omissions or substitution of any work.

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c. Any discrepancy in or divergence between the drawings and/or the specifications and/or

the bills of quantities.

d. The removal and/or re-execution of any work executed by the Contractor.

e. The dismissal from the works of any person employed there-on.

f. The opening up for inspection of any work covered up.

g. The amending and making good of any defect under defects liability period.

h. The removal from the site of any material brought thereon by the Contractor and the

substitution of any material thereof.

i. Assignment and sub-letting.

j. Delay and extension of time with the consent of employer.

k Postponement of any work to be executed under the provision of this contract.

The decision in regards to above shall be binding to the Contractor.

17. Type of Contract:

The contract shall be an Item Rate Contract. The Contractor shall be paid for the actual

quantity of work done as measured at site and at the rates quoted by him in the bill of

quantities.

18. Bill of Quantities:

The quantities given in the bill of quantities are provisional and are meant to indicate the intent

of the work and to provide a uniform basis for tendering. The employer reserves the right to

increase or decrease any of the quantities or to totally omit any item of work and the Contractor

shall not claim any extras or damages on these grounds.

The bill of quantities unless otherwise stated shall be deemed to have been prepared in

accordance with the method of measurement of Building and Civil Engineering Works CPWD

specifications 2007 corrected upto date or otherwise as mentioned in the specifications and

shall be considered to the approximate and no liability shall attach to the Architect for any

error that may be recovered.

Any error in the description or in quantity or omission of items from the bill of quantities shall

not vitiate this contract but shall be treated as a variation.

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Contractor shall be deemed to have satisfied himself before tendering as to the correctness

and sufficiency of his tender for works and prices stated in the bill of quantities and/or the

schedule of rates and prices shall cover all his obligations under the contract and all matters

and things necessary for prior completion of works.

19. Scope and Intent:

Scope: The general character and the scope of the work is illustrated and defined by the

specifications, bill of quantities and drawings. If the Contractor shall find any discrepancy in

or divergence between the drawings and/or the specifications and/or the bill of quantities, he

shall immediately give to the Engineer-In-Charge, a written notice specifying the discrepancy

or divergence and the Architect shall issue instructions in regard thereto.

Extent: The Contractor shall carry out and complete the work in every respect in accordance

with this contract and with the directions to the full satisfaction of the Engineer-In-Charge. The

Architect may in his discretion and from time to time issue further drawings, details and/or

written instructions, written directions, written explanations all of which are collectively

referred to as Architect's instructions. All such drawings and instructions shall be consistent

with the contract document, true developments thereof and reasonable inferences there from.

Intent: The intention of the document is to include all labour, materials, equipment and

transportation etc. necessary for the proper execution of the work. All such drawings and

instructions shall be consistent with contract document, true developments thereof and

reasonably inferences there from. Materials of work described in words which so applied have

a well known technical or trade meaning, shall be held to refer to such recognized standard.

20. Contract Drawings:

In general the drawings shall indicate dimensions, positions, type of construction and the

specifications shall indicate the quantities and the methods, and the bill of quantities shall

indicate the quantum and the rate for each items of work. Any work indicated on the drawings

and not mentioned in the specifications or vice versa shall be furnished as though fully set forth

in both. Work not specifically detailed, called for, marked or specified shall be the same

as similar parts that are detailed, marked or specified.

Contractor's work shall not deviate from the drawings and specifications. Engineer-In-Charge‟s

interpretation of these documents shall be final and without appeal.

The errors or inconsistencies discovered in the drawings and specifications shall be promptly

brought to the attention of Engineer-In-Charge for interpretation or correction. The local

conditions which may affect the work shall be brought to the Architect's attention. If at any

time, it is discovered that work is being done which is not in accordance with the contract

drawings and specifications, the Contractor shall correct the work immediately. Correction of

defective work shall not be a basis for any claim for extension of time. The Contractor shall

not carry on work except with the knowledge of the Clerk-of- Works.

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Figured dimensions on the scale drawings and large size details shall govern. The large size

details shall take precedence over small scale drawings. Any work done before receipt of such

details, if not in accordance with the same, shall be removed and replaced or adjusted by the

Contractor without expense to the Employer as directed. The general conditions apply with

equal force to all work including authorized extra works.

All drawings, bill of quantities, specifications and copies thereof furnished by the Architect

shall be his property. They shall not be used on any other work and shall be returned to the

Architect on completion or termination of the contract before the issue of the certificate for the

balance of his account under the Contract. This contract and the signed drawings,

specifications and bill of quantities shall remain in the custody of the Architect and shall be

produced by him at his office as and when required by the employer or by the Contractor.

21. Measurement of Works:

Employer/Architect may from time to time intimate to the Contractor that they require the

works to be measured and the Contractor shall attend or send a qualified agent to assist the

Employer/Architect or the Employer/Architect's representative in taking such measurements &

calculations and to furnish all particulars or to give all assistance required by either of them.

Should the Contractor not attend or neglect or omit to send such agent, then the measurements

taken by the Employer/Architect or approved by them shall be taken to be measurements of

the work. Such measurements shall be taken in accordance with the mode of measurements

mentioned in the specifications.

The final measurements and valuation in respect of the Contractor shall be completed within

the period of final measurement stated in the Appendix.

22. Engineer-In-Charge:

The term „Engineer-In-Charge‟ shall mean the person appointed and paid by the employer to

superintend the works. The Vendor shall afford the Engineer-In-Charge every facility and

assistance for examining the works and materials and for checking & measuring time and

materials. Neither the Engineer-In-Charge nor any representative of the Architect shall have

power to set out works or to revoke, alter, enlarge or relax any requirements of the contract

or to sanction any day work, additions, alterations, deviations, or omissions or any extra work

whatsoever except in so far as such authority may be specially conferred by a written order of

the Employer. The Engineer-In-Charge or any representative of the Architect shall have

power to give notice to the Vendor or to his representative of non-approval of any work or

materials and such work shall be suspended or the use of such materials be discontinued until

the decision of the Employer is obtained. The works will from time to time be examined by

the Architect, the Engineer-In-Charge or the Architect's representative but such examinations

shall not in any way exonerate the Vendor from the obligation to remedy any defects which

may be found to exist at any stage of the works or after the same is completed.

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23. Site Engineer/Architect Instructions:

The Vendor shall forthwith comply and duly execute any works comprised in such instructions

issued to him by the Engineer-In-Charge/Architect in regard to any matter in respect of which

the Engineer-In-Charge/Architect is expressly empowered by these conditions to issue

instructions provided always that verbal instructions, directions and explanations given to the

Vendor or his work representative by Engineer-In-Charge/ Architect shall if involving a

variation be confirmed in writing within seven days.

If within seven days after receipt of a written notice from the Engineer-In-Charge /Architect

requiring compliance with an instruction, the Vendor does not comply herewith, then the

employer may employ and pay other persons to execute any work whatsoever which may be

necessary to give effect to such instructions and all cost incurred with such employment shall

be recoverable from the Vendor by the employer as a debt or may be deducted by him from

any money due or to become due to the Vendor under this contract.

24. Facilities and Co-operation:

The Employer with the consent of the Architect reserves the right to execute any work not

included in the contract, which he may desire to have carried out by other persons and the

Vendor shall allow all reasonable facilities and the use of his scaffolding and plant for the

execution of such work but is not required to provide any special plant or material for the

execution of such work except by special arrangement with the employer, such work shall be

carried out in such manner as not to impede the progress of the works included in the contract

and the Vendor shall not be responsible for any damage or delay which may happen to or

occasioned by such work.

25. Setting out:

Architect shall determine any lines/levels which may be required for execution of work and

shall furnish to the Contractor by way of accurately dimensioned drawings, such information

as shall enable the Contractor to set out the work at ground level.

Contractor shall set out and level the work and shall be responsible for the accuracy of the

same. The Contractor shall provide all the instruments and attendance required by the Architect

for checking the work. The Contractor shall entirely at his own cost emend to the satisfaction

of the Architect any error found at any stage which may arise through inaccurate setting.

26. Site:

Visit: Before tendering, the Vendor shall have visited and examined the site and satisfied

himself as to the nature of the existing roads or other means of communication and the

character of the soil and of the execution the correct dimensions of the work and the

facilities for obtaining any special articles called for in the contract document and shall have

obtained generally his own information on all matters affecting the continuation and progress

of the work. No extra charge made in consequence of any misunderstanding or incorrect

16

information on any of these points or on the ground of insufficient description will be allowed.

Should the Vendor after visiting the site, find any discrepancies, omissions, ambiguities

or conflicts in or among the contract document, or to be in doubt as to their meaning, he shall

bring the questions to our attention, not later than seven days before the last date for

submission of the tender.

Possession: The Vendor shall be allowed admittance to the site on the “Date of Layout

approvals” stated and he shall thereupon and forthwith begin the work and shall regularly

proceed with and complete the same on or before the “Date of completion” stated subject

nevertheless to the provision for extension of time herein after contained.

27. Samples and Shop Drawings:

After the award of contract, the Vendor shall furnish for the approval of Engineer-In-

Charge/ Architect with such promptness as to cause no delay in his work or in that of any

other such Vendor, samples and shop drawings required by the Engineer-In-Charge/

Architect. The samples shall be delivered as directed by the Architect.

Engineer-In-Charge/Architect shall check and approve such samples with reasonable

promptness only for conformity with the design, concept of project and for compliance with

information in the contract document. The work shall be in accordance with the approved

samples. Commencement of work without approval shall be entirely at the risk and cost of the

Vendor. No delay due to non availability of materials, tools, equipment etc. will be entertained

by the Corporation.

28. Access:

Architect, his representative/Engineer-In-Charge and the employer shall at all reasonable time

have free access to the work 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 or from which they are being obtained and the Vendor shall give every facility to the

Architect or his representative necessary for inspection/examination and testing of the

materials and workmanship. Except the representatives of Public Authorities, no person shall

be allowed on the works at any time without the written permission of the Engineer-In-

Charge/Architect.

If any work is to be done at a place other than the site of works, the Vendor shall obtain the

written permission of the Engineer-In-Charge/Architect for doing so.

29. Vendor's Field Organization and Equipment:

Vendor shall give all necessary personal superintendence during the execution of the works

and as long thereafter as the Architect may consider necessary until the expiration of the

`Defects Liability Period' stated in the appendix hereto. The Vendor shall also during the

time, the works are in progress employ a competent and qualified Foreman approved by the

Architect, who shall be constantly in attendance at the works while the workmen are at work.

17

Any directions or instructions given to him by the Architect shall be deemed to have been

issued to the Vendor. Attention is called to the importance of requesting instructions from the

Architect before undertaking any work where Architect's directions or instructions are

required. Any such work done in advance of such instructions will be liable to be removed.

Vendor shall make his own security arrangement to guard the site and premises at all times at

his own expense. Security arrangements shall be adequate to maintain strict control on the

movements of the materials and labour. The responsibility for the safety, security, accounting

of the materials and equipment brought or installed by the tenderer or handed over to him by

the Corporation for completion of the work will remain with tenderer till the acceptance of the

work by the Corporation. Any damage caused to the materials or equipment during the

execution of work will be made good by the tenderer at his cost.

Vendor will be provided a shed of size 10‟x10‟ for storage and protection of materials etc. and

also for the execution of work which may be prepared at site.

Vendor shall provide and install all necessary hoists, ladders, scaffolding, tools, tackles, plants,

transport for labour, materials for proper execution and completion of work to the satisfaction

of Architects.

30. Statutory Obligations, Notices, Fees and Charges:

Vendor shall comply with and give all notices required by any government authority and

instrument, rule or order made under any act of Parliament or any regulation or Bye-laws

of any local authority relating to the work or with whose system the same is or will be

connected. The Vendor before making any variation from the contract drawings or bill of

quantities necessitated by such compliance shall give to the Architect a written notice

specifying and giving reasons for such variations and the Architect may issue instructions in

regard thereto. If within 10 days of having given the said written notice the Vendor does not

receive any instructions in regard to the matters therein specified, he shall proceed with the

work confirming to the act of parliament, instrument, rule, order, regulations or Bylaws in

question and any variation thereby necessitated shall be deemed to be variation required by

the Architect. All assistance for obtaining the licence shall be extended by BPCL.

Vendor shall pay and indemnify the employer against liability in respect of any fees or charges

(including any rates and taxes) legally demandable under any act of Parliament, instrument,

rule or order or any regulation or Bye-law or any local authority in respect of the work.

31. Royalties and Patent Rights:

All royalties or other sums payable in respect of supply and use in carrying out the work as

desired by or referred to in the bill of quantities of any patented articles, process or

inventions shall be deemed to have been included in the contract sum and the Vendor shall

indemnify the employer from and against all claims, proceedings, damages, costs and

expenses which may be brought or made against the employer or to which he may be put by

18

reason of the Vendor infringing or being held to have infringed any patent rights in relation

to any such articles, processes and inventions.

32. Materials and Workmanship:

All materials and workmanship shall so far as procurable be of the respective kinds described

in the priced bill of quantities, and or specifications and in accordance with Engineer-In-

Charge /Architect's instructions. The Vendor shall if required submit satisfactory evidence as

to the kind and quality of materials that the materials comply therewith. The Vendor shall

arrange for and/or carry out any test of materials which the Architect/ Employer may require.

The Vendor shall immediately remove from works any material and/or workmanship which in

the opinion of Engineer-In-Charge/Architect are defective or unsuitable and shall replace with

proper materials and workmanship at his own cost. If the Vendor fails to proceed at once with

the replacement of defective or unsuitable materials or workmanship, the Architect may by

contract or otherwise replace such materials and/or such workmanship and charge the cost

thereof to the Vendor.

33. Assignment or Subletting:

The whole of the work included in the contract shall be executed by the Contractor. The

Contractor shall not without the written consent of the Corporation (which consent shall not be

unreasonably withheld to the prejudice of the Contractor) sub-let any portion of the work and

sub-letting shall not relieve the Contractor from the full and entire responsibility of the

contract or from active superintendence of the work during the progress. In any event the

tenderer will be solely responsible for the work so sublet or assigned.

34. Coordination:

The tenderer is expected to co-operate/co-ordinate with other Vendor carrying out the work

allocated to them so as to avoid breaking up of work already done by them or causing any

hindrance in the progress of work. In case there is any difficulty/dispute, the same should be

immediately brought to the notice of the Engineer-In-Charge.

35. Separate Contracts:

The employer reserves the right to let other contracts in connection with his work under similar

general conditions. The Contractor shall afford other Contractors reasonable opportunity for

introduction and storage of their materials and execution of their work and shall properly

connect and co-ordinate his work with theirs. If any part of Contractor's or sub-Contractors'

work depends for proper execution or results upon the work of any other Contractor, or sub-

Contractor, the Contractor shall inspect and promptly report to the Architect any defects in

such work that render it unsuitable for such proper execution and results. Failure of the

Contractor to inspect and report shall constitute an acceptance of the other Contractor's work

as fit and proper for the reception of his work except as to defects which may develop in other

Contractor's or sub-Contractor's work after the execution of the work. To ensure the proper

19

execution of his subsequent work the Contractor shall measure work already in place and

shall at once report to the Architect and discrepancy between the executed work and the

drawings.

36. Dismissal of Workman:

The Vendor, if required by the Engineer-In-Charge/Architect shall immediately dismiss from

the works any person employed thereon, who may in the opinion of the Engineer-In-

Charge / Architect be unsuitable or incompetent or who may misconduct himself, and such

person shall not be again employed or allowed on the works without the permission of the

Engineer-In-Charge/Architect.

37. Variations:

i. Engineer-In-Charge/Architect may after getting confirmation from the employer issue

instructions requiring a variation and he may sanction in writing any variation made by

the Contractor otherwise than pursuant to an instruction of the Architect. No variation

required by the Architect or subsequently sanctioned by him shall vitiate this contract.

ii. The term "variations" as used in these conditions means the alteration or modification of

design, quality or quantity of work as shown upon the construction drawings and desired

by/or referred to in the bill of quantities and include addition, omission or substitution of

any work, the alteration of the kind of standard of any materials or goods to be used in

the work and the removal from the site of any works, materials or goods to be used and

the removal from the site of any work materials or goods executed or brought thereon

by the Contractor for the purpose of the work other than work, materials or goods

which are not in accordance with this contract.

iii. Architect shall issue instructions with regard to the expenditure of prime cost and

provisional sums included in the bill of quantities and of prime cost sums which arise as

a result of instructions issued in regard to the expenditure of provisional sums.

iv. All variations required by Engineer-In-Charge/Architect or subsequently sanctioned by

him in writing and all work executed by the Contractor for which provisional sums are

included in the bill of quantities (other than works for which a tender made under

clause 28 (ii) of these conditions has been accepted) shall be measured and valued by

the Architect who shall give to Contractor an opportunity of being present at the time of

such measurement and of taking such notes and measurements as the Contractor may

require. The valuation of variations and works executed by the Contractor for which a

provisional sum is included in the bill of quantities (other than work for which a

tender has been accepted as aforesaid) unless otherwise agreed shall be made with the

following rules;

a. The net rates of prices in the bill of quantities shall determine the valuation of work of

similar character executed under similar conditions as work priced therein.

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b. The said prices where, work is not of a similar character or executed under similar

conditions as aforesaid, shall be the basis of prices for the same so far as may be

reasonable, failing which a fair valuation thereof shall be made under clause(c) hereof.

c. Where work cannot properly be measured and valued the Contractor shall be

allowed day-work rate on the prices prevailing when such work is carried out (unless

otherwise provided in the bill of quantities) as below;

i. At the net rates of prices, if any, inserted by the Contractor in the bill of quantities

or in the form of tender or

ii. When no such rates have been inserted, then the rates prevailing in the market for

material & labour and at the control rates for the controlled materials including all

cases shall be applicable for arriving at the rates of extra items.

Provided that in any case voucher specifying the time daily spent upon the work (and if

required by the Architect the workmen's names) and the materials employed, shall

be delivered for verification of the Architect or his authorised representative not later

than the end of the week following that in which the work has been executed. The

payments shall include in addition to the actual cost of materials & labour as

approved by the Architect a further sum equivalent to 15.0% of the actual cost as

compensation for the Contractor's superintendence, general expenses, overhead and

profits.

d. The net rates in the bill of quantities shall determine the valuation of items omitted,

provided that if omissions substantially vary the conditions under which may remaining

items shall be valued under clause no. 28.

38. Claim for Extra:

Any modification carried out for expediting or simplifying work at the request of the

Contractor or his representative shall not be taken as the basis for claiming an extra. However

if such modification shall also involve an extra, the rate for such modification shall be settled

in advance and written authorization be obtained by the Contractor from the Architect

before proceeding with the work involved If no such information is given by the Contractor in

writing to the Architect, such modification shall not be accepted as the basis of extra charge.

The rates for such extra works shall be determined as below:

i. Wherever possible the rate will be derived from the bill of quantities of the agreement.

ii. If not possible from bill of quantities, the rate will be derived from DSR 2007 with

appropriate Index as applicable.

iii. If not possible from DSR 2007, the rate will be derived from market rates with 15.0 %

towards Contractors profit, overheads, works contract etc. The rates of extra works

shall be paid for the value of 90% only during running payments. The balance 10%

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will be paid in the final bill. The Contractor shall produce all vouchers (challans or

any other documentary proof) required by Engineer-In-Charge/Architect to verify the

cost of material in respect of extra items.

39. Fluctuations:

The rates quoted in the bill of quantities shall be firm & shall not be subject to any price

variations due to increase in labour wages, cost of materials etc. or any other price variation

due to any reason whatsoever whether during the stipulated period of execution or during the

extended period of completion.

40. All Heights:

The rates quoted in the bill of quantities shall be for all heights, depth and leads unless

otherwise specified.

41. Co-ordination of Work:

After commencement of the work and from time to time, the Contractor shall confer with sub-

Contractors, persons engaged on separate contracts in connection with the work and with the

Architect for the purpose of co-ordination and execution of the various phases of the work.

Contractor shall ascertain the sub Contractors, persons engaged on separate contracts in

connection with the works, the extent of all chasings, cuttings and forming of all openings,

holes, grooves etc. as may be required to accommodate the various services. The Contractor

shall ascertain the routes of all services and positions of all floor outlets, traps etc. in

connection with the installation of plant and services and arrange for the construction of work

accordingly. The breaking and cutting of completed work must be avoided.

42. Minimum Wages Act and Rules:

Vendor shall comply with all the provisions of Minimum Wages Act 1948 and the

Minimum Wages (central) Rules 1950 or any modification thereof. All the provisions of the

"Central P.W.D. Vendor‟s Labour Regulations” made by the government from time to time

shall be complied with by the Vendor.

The "C.P.W.D. Safety Code" framed from time to time as well as “model rules" for the

protection of health and sanitary arrangements for workers employed by C.P.W.D. or its

Vendor shall also from part of this contract.

43. Right of Technical Scrutiny of Works:

All the works shall be allowed to be inspected by the Chief Vigilance Commissioner (CVC)/

Chief Technical Examiner (CTE) or any other statutory investigating agency appointed by the

Government/BPCL. The recommendations/ recoveries made by these agencies after

investigation shall be binding on the part of the Contractor.

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44. Force Majeure:

The right of the Vendor to proceed with the work shall not be terminated because any delay

in the completion of the work due to the unforeseeable causes beyond the control and without

the fault or negligence of the Vendor including like acts of God or the enemy restraints of

the sovereign state, fires, floods, earth-quake, severe weather and acts of the employer.

If the works be delayed by

a) Force Majeure or

b) Abnormally bad weather or

c) Serious loss or damage by fire or

d) Civil commotion, local combination of workers strike lockout or

e) Any other cause, which is the absolute discretion of the Corporation & beyond the

Vendor's control, of any such case the Corporation may give a fair and reasonable

extension of time for completion of the work.

Notice and Reporting:

( i ) The Vendor shall as soon as reasonably practicable after the date of commencement of the

event of Force Majeure, but in any event no later than two (7) days after such

commencement date, notify the BPCL in writing of such event of Force Majeure and

provide the following information:

(a) reasonably full particulars of the event or circumstance of Force Majeure and the extent

to which any obligation will be prevented or delayed;

(b) such date of commencement and an estimate of the period of time required to enable

the vendor to resume full performance of its obligations; and

(c) all relevant information relating to the Force Majeure and full details of the measures

the vendor is taking to overcome or circumvent such Force Majeure.

(ii) The Vendor shall, throughout the period during which it is prevented from performing, or

delayed in the performance of, its obligations under this Agreement, upon request, give or

procure access to examine the scene of the Force Majeure including such information,

facilities and sites as the other Party may reasonably request in connection with such

event. Access to any facilities or sites shall be at the risk and cost of the Party requesting

such information and access.

Mitigation Responsibility:

(i) The Vendor shall use all reasonable endeavours, acting as a Reasonable and Prudent

Person, to circumvent or overcome any event or circumstance of Force Majeure as

expeditiously as possible, and relief under this Clause shall cease to be available to the

Vendor claiming Force Majeure if it fails to use such reasonable endeavours during or

following any such event of Force Majeure.

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(ii) The Vendor shall have the burden of proving that the circumstances constitute valid

grounds of Force Majeure under this Clause and that it has exercised reasonable diligence

efforts to remedy the cause of any alleged Force Majeure.

(iii) The Vendor shall notify BPCL when the Force Majeure has terminated or abated to an

extent which permits resumption of performance to occur and shall resume performance

as expeditiously as possible after such termination or abatement.

Consequences of Force Majeure:

Provided that the Vendor has complied and continues to comply with the obligations of this

Clause and subject to the further provisions:

(i) the obligations of the Parties under this Agreement to the extent performance thereof is

prevented or impeded by the event of Force Majeure shall be suspended and the Parties

shall not be liable for the non-performance thereof for the duration of the period of Force

Majeure; and

(ii) the time period(s) for the performance of the obligations of the Parties under this

Agreement to the extent performance thereof is prevented or impeded by the event of

Force Majeure shall be extended for the duration of the relevant period of Force Majeure

except as provided herein.

Damages through Natural Calamities:

No compensation for any damage caused to the work or materials by rain, floods or other

natural calamities shall be paid to the Vendor. The Vendor shall make good all such damages

himself and at his own cost.

45. Defects after Completion:

Any defects, shrinkage, settlement or other faults, which may appear within " defects liability

period" stated in the appendix hereto or if not stated than within twelve months after the

virtual completion of the works arising in the opinion of the Architect, shall upon the direction

in writing (not later than 14 days after the expiration of the said defects liability period) with

such reasonable time as shall be specified therein, be amended & made good by the Vendor

at his own cost unless the Architect shall decide that he ought to be paid for such amending &

making good & in case of default the employer may employ & pay other person to amend &

make good such defects, shrinkage, settlement or other faults, & all damage loss & expenses

consequent thereon or incidental thereto shall be made good and borne by the Vendor, and

such damage, loss and expenses shall be recoverable from him by the employer or may be

deducted by the employer upon the Architect's certificate in writing from any money due to

or that may become due to the Vendor, or the employer may in lieu of such amending &

making good by the Vendor deduct from any money due to the Vendor a sum to be

determined by the Architect equivalent of cost of amending such works & in the event of the

amount retained being insufficient, recover the balance from the Vendor together with any

24

expenses the employer may have incurred in connection therewith. Should any defective

work have been done or materials supplied by any sub-Vendor employed on the works

who has been nominated or approved by the Architect, the Vendor shall be liable to make

good in the same manner as if such work or material had been done or supplied by the

Vendor and being subject to the provision of this clause and clauses of "Articles of

Agreement" hereof. The Vendor shall remain liable under the provisions of this clause

notwithstanding the signing by the Architect of any certificates.

46. Notice to be given before work is covered up:

Contractor shall give not less than 3 (three) days notice in writing to the Engineer-In-

Charge/Architect before covering up or otherwise placing beyond the reach of measurement

any work, in order that the same may be ensured and correct dimension thereof be taken before

the same is covered up or placed beyond the reach of measurement, if any work is covered up

or placed beyond the reach of the measurement without such notice having been given or

Architects consent being obtained, the same shall be uncovered at the Contractor's expenses or

in default thereof, no payment or allowance shall be made for such work or materials with

which the same was executed.

47. Vendors' Assurance:

The Vendor undertakes to ensure due and complete compliance with all laws, regulations,

rules etc. whether of the central government or the state government or of any other

competent authority applicable to the workmen employed or whose services are otherwise

availed of by the Vendor whether in connection with the construction work at site or

otherwise. The employer shall have the right to inspect the records maintained by the

Vendor concerning such workmen from time to time & the Vendor shall whenever required

by the employer produce such records as the employer may call upon the Vendor to

produce for the employer's inspection in order to ascertain whether or not the requirements of

all such laws, regulations, rules etc. have been complied with by the Vendor. In the event of

any contravention of such laws, regulations, rules etc. coming to light as a result of such

inspection or otherwise the employer shall have the right to require the Vendor to effect such

compliance within such time as the employer may prescribe in that behalf and in the event of

the Vendor failing to effect such compliance within the time prescribed by the Employer, then

the Employer shall without prejudice to his other rights be entitled to withhold from the

amount payable to the Vendor any amount payable to the workmen under any such laws,

regulations or rules and the workmen under any such laws, regulations or rules and to make

payments thereof to the workmen. The Employer shall also have in that event the right to

terminate the contract with immediate effect and to exercise powers reserved to the employer

under the contract as a result of termination.

48. Suspension:

If the Vendor except on account of any legal restraint upon the employer preventing the

continuance of the work shall suspend the works or in the opinion of the Architect shall

neglect or fail to proceed with due diligence in the performance of his part of the contract or if

25

he shall more than once make default in respect of clause mentioned in GCC, the employer

through the Architect shall have the power to give notice in writing to the Vendor requiring

that the work be proceeded within reasonable manner and with reasonable dispatch, such

notice shall purpose to be a notice under this clause. After such notice given to the Vendor, he

shall not be at liberty to remove from the site of the work or from any ground continuous

thereto any plant or material belong to him, which will have been placed thereon for the

purpose of the works and the employer shall have a lien upon all such plant and materials to

subsist from the date of such notice being given, until the notice shall have been complied

with.

49. Clearing of Site:

The Vendor shall remove all debris from the site of work, dirt and dust from the floors, wood

work, white wash or colour wash, distemper or paint, splashes from doors, windows glass

panels etc. before handing over the building to the employer. The work shall not be treated as

completed in all respects unless these requirements are fulfilled by the Vendor. In the event of

Vendor's failure to do so, the Architect and the employer shall have the right to get the site

cleared, dust and dirt removed from floors, doors and windows etc. cleaned off splashes at the

Vendor's risk and cost without prejudice to the Architect's/Employers' right to take action to

recover damages under clauses of the contract.

50. Determination of Contract by Employer:

i. Default: If the Vendor shall make default in any one or more of the following respects,

that is to say:

a. If he fails to proceed regularly and diligently with the works or

b. If has without reasonable cause wholly suspends the carrying out of the works before

completion thereof or

c. If he refuses or persistently neglects to comply with a written notice from the

Architect/Employer requiring him to remove defective work or improper materials or

goods and by such refusal or neglect the work is materially affected, or

d. If he fails to comply with then the Architect may give him the notice by registered post or

recorded delivery specifying the default, and if the Vendor either shall continue such a

default, (whether previously repeated or not), then the employer without prejudice to

any other rights or remedies may within 10 days after such continuance or repetition

of notice by Registered Post or recorded delivery forthwith determine the employment

of the Vendor under this contract provided that such notice shall not be given

unreasonably or exatiously.

ii. Bankruptcy of Vendor: In the event of the Vendor becoming bankrupt or making a

composition or arrangement with his creditors or being a company having winding up

order made or (except for purposes of reconstruction) a resolution for voluntary winding

26

up passed or a receiver or a manner of his business or undertaking duly appointed or

possession taken. By or on behalf of the holders of any debentures secured by a

floating charge of any property comprised in or subject to the floating charge, the

employment of the Vendor under this contract shall be forthwith automatically

determined but the said employment may be reinstated and continued if the employer and

the Vendor, his trustee in bankruptcy. Maybe liquidator, receiver or manager as the case

ought to so agree.

iii. In the event of employment of the Vendor being determined as aforesaid and so long as it

has not been reinstated and continued, the following shall be the respective rights and

duties of the Employer and the Vendor.

a. The Employer may employ and pay other persons to carry out and complete the works

and he or they may enter upon the works and use all temporary buildings, plants,

machinery, appliances, goods and materials intended for, delivered to and placed on or

adjacent to the works and may purchase all materials and goods necessary for carrying

out and completion of the works.

b. The Vendor shall if so required by the Employer/Architect within 14 days of the date of

determination, assign to the employer without payment the benefit of any agreement for

the supply of materials or goods and/or for the execution of any works for the purposes

of this contract but on the terms that a supplier or sub- Vendor shall be entitled to make

any reasonable objection to any further assignment thereof by the Employer. In any case,

the Employer may pay any supplier or sub-Vendor for any materials or goods delivered

or works executed for the purpose of the contract (whether before or after the date of

determination) in so far as the price thereof has not already been paid by the Vendor. The

employers‟ right under this paragraph is in addition to his rights to pay nominated sub-

Vendor and payments made under this paragraph may be deducted from any sum due or

to become due to the Vendor.

c. The Vendor shall as and when required in writing by the Architect so to do (but not

before) remove from the works any temporary buildings, plants, tools, equipment, goods

and materials belonging to or by him. If within a reasonable time after any such

requirements has been made, the Vendor has not complied there with then the Employer

may (but without being responsible for any loss or damage) remove and sell any such

property of the Vendor, holding the proceeds less all costs incurred to the credit of the

Vendor.

d. The Vendor shall allow or pay to the Employer in the manner hereinafter appearing the

amount of any direct loss and/or damage caused to the Employer by the determination.

Until after completion of the works under paragraph (a) of this sub-clause the employer

shall not be bound by any provisions of the contract to make any further payment to the

Vendor, but upon such completion and the verification within a reasonable time of the

accounts thereof the Architect shall certify the amount of expense properly incurred by

the employer and the amount of any direct loss and/or damage caused to the employer by

the determination and if such amounts added to the money paid to the Vendor before the

27

date of determination exceed the total amount which would have been payable on due

completion in accordance with this contract, the difference shall be a debt payable to

the employer by the Vendor and if the said amounts when added to the said money to be

less than the said total amount, the difference shall be a debt payable by the employer to

the Vendor.

51. Employer Entitled to Recover Compensation Paid to Worker:

If for any reason, the employer is obliged by virtue of the Provisions or sub-section (1) of

section (2) of the Workman's Compensation Act 1923 to pay compensation to workmen

employed by the Vendor in execution of the work, the employer will recover from the

Vendor the amount of compensation so paid and without prejudice to the rights of the

employer under sub-section (2) of section (12) of the said act the employer will be at liberty to

recover such amount or any part thereof by deducting it from the security deposit or from any

sum due by the employer to the Vendor under this contract or otherwise the employer shall not

be bound to contest any claim made against it under sub-section (1) of section (12) of the said

act, except on the written request of the Vendor and upon his giving to the employer, might

become liable in consequence of contesting such claim.

52. Termination for Convenience:

The Employer may at any time terminate this contract for convenience upon 30 days written

notice to the Vendor, upon issuance of termination notice by the Employer and upon receipt

of such notice by the Vendor, the Vendor shall, unless the notice provides otherwise,

immediately discontinue all works and the placing of all orders for commodities and shall

terminate all existing employment, contracts, orders and sub- Vendor at the entire risk and

cost of Vendor.

53. As-built Drawings:

The Contractor shall be responsible for submitting the following completed as-built drawings:

a) Electrical works.

b) Water supply works.

c) Sewerage works.

d) As built plans.

54. Suspension of Work:

In case it becomes necessary for Employer to temporarily suspend or postpone the work partly

or fully due to unforeseen circumstances, the Employer shall not be liable for any

compensation on account of resultant delay.

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55. Order of Preference:

In the case of discrepancy between Schedule of Quantities, Specifications and Drawings, the

following order of preference shall be observed:

(a) Description of items in the Schedule of Quantities

(b) Technical Specifications and Special Conditions of Contract

(c) Working Drawings

(d) General Conditions of Contract

(e) CPWD Specifications

(f) Indian Standard Codes & Specifications

Nothing extra on this account shall be payable to the Contractor.

56. Insurance in respect of Injury or Damage to Persons and Property:

The Vendor shall be responsible for all injury to persons, animals or things and for all damage

to the structural and/or decorative part of property which may arise from the operation or

neglect of himself or any sub Vendor or any of his or sub- Vendor's employees, whether such

injury or damage arise from carelessness, accident or any other cause whatever in any way

connected with the carrying 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, footpaths, bridges or way as well as all damage caused to the building and

the work forming the subject of this contract by rain or other inclemency of the weather.

The Vendor shall indemnify the employer and hold harmless in respect of all and any

expenses arising from any such injury or damage to person or property as aforesaid and also

in respect of any claim made in respect of injury or damage under any act of government or

otherwise and also in respect of any award of compensation or damage consequent upon

such claim.

The Vendor shall reinstate all damage of every sort mentioned in the clause, so as to deliver up

the whole of the contract works complete and perfect in every respect and so as to make good

or otherwise satisfy all claims for damage to property of third parties.

The Vendor shall indemnify the Employer 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 Employer and the Vendor against such risks and

deposit such policy or policies with the Employer from time to time during the currency of

this contract. The Vendor shall also indemnify the employer whether under the Workman's

Compensation Act or any other statute in force during the currency of this contract or at

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common law in respect of any employee of the Vendor or any sub-Vendor 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 Employer and the Vendor against such

risk and deposit such policy or policies with the Owner from time to time during the

currency of this contract. The Vendor 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 the contract.

The Vendor shall indemnify the employer in respect of any costs, charges or expenses

arising out of any claim or proceedings and in respect of any award of compensation or

damages arising there from.

The Employer with the consent of the Architect shall be at liberty and is hereby empowered to

deduct the amount of any damage, compensation, costs, charges and expenses arising or

occurring from in respect of any such claim or damage from any sum or sums due or to

become due to the Vendor.

57. Insurance of Works (Comprehensive):

Unless otherwise instructed by the Owner, the Vendor shall on signing the contract insure the

works and keep them insured until the virtual completion of the contract against loss or

damage by fire and/or earthquake in an insurance office to be approved by the Owner, in the

joint names of the employer and Vendor, for full amount of the contract and Architect's fees

and for any further sum if called upon to do so by the Owner, the premium of such any further

sum if called upon, the same being allowed to the Vendor as an authorised extra. Such policy

shall cover the property of the Employer only and the Architect's and surveyor's fees for

assessing the claim and in connection with their services generally in the reinstatement and

shall not cover any property of the Vendor or of any sub- Vendor or Employer. The Vendor

shall deposit the policy & receipt for the premium with the Owner within twenty one days from

the date of signing the contract. In default of the Vendor insuring as provided above, the

employer or the Owner on his behalf may so insure and may deduct the premium paid from

any money due, or which may become due to the Vendor. The Vendor shall as soon as the

claim under the policy is settled or the work reinstated by the Insurance office, should they

elect to do so, proceed with all due diligence with the completion of the works in the same

manner as though the fire and/or earth quake had not occurred & in all respect under the same

conditions of the contract. The Vendor in case of rebuilding or rein-statement after fire and or

earthquake shall be entitled to such extension of time for completion as the Architect may

deem fit. The insurance should be comprehensive type.

58.0 Arbitration:

58.1 Any dispute or difference of any nature whatsoever any claim, cross-claim, or set off the

corporation against the Vendor or regarding any right, liability, act, omission or account of

any of the parties hereto arising out of or in relation to this agreement shall be referred to

the Sole Arbitration of the Director (HR) of the Corporation or to an Officer of the

Corporation who may be nominated by the Director (HR). The Vendor will not be entitled

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to raise any such Arbitrator on the ground that the Arbitrator is an Officer of the Corporation

or that he has dealt with the matters to which the contract relates or that in the course of his

duties as an Officer of the Corporation he had expressed views on all or any other matters in

dispute or difference. In the event of Arbitrator to whom the matter is originally referred

being transferred or vacating his office for being unable to act for any reason, the Director

(HR) as aforesaid at the time of such transfer, vacation of Office or inability to act may in

the discretion of the Director(HR) designate another person to act as Arbitrator in

accordance with the terms of the agreement to the end and intent that the original Arbitrator

shall be entitled to continue the arbitration proceedings notwithstanding his transfer or

vacation of office as an Officer of the Corporation if the Director(HR) does not designate

another person to act as Arbitrator on such transfer, vacation of office or inability of

original Arbitrator. Such persons shall be entitled to proceed with the reference from the

point at which it was left by his predecessor. It is also a term of this contract that no person

other than the Director (HR) or a person nominated by such Director (HR) of the Corporation

as aforesaid shall act as Arbitrator hereunder. The award of the Arbitrator so appointed shall

be final conclusive and binding on all parties to the agreement subject to the provisions of the

Arbitration Act. 1940 or any statutory modification or reenactment thereof and the rules

made there under for the time being in force shall apply to the arbitration proceeding under

this clause.

58.2 The award shall be in writing and published by the Arbitrator within, two years after entering

upon the reference or within such extended time not exceeding further twelve months as the

sole Arbitrator shall be writing under his own hands appoint. The parties here to shall be

deemed to have irrevocably given their consent to the Arbitrator to take and publish the

award within the period referred to herein above and shall not be entitled to raise any

objection or protest there to under any circumstances whatsoever.

58.3 The Arbitrator shall have power to order and direct either of the parties to abide by, observe

and perform all such directions as the Arbitrator may think fit having regard to the matters

in difference i.e. dispute before him. The Arbitrator shall have all summary powers and may

take such evidence oral and/or documentary, as the Arbitrator in his absolute discretion

thinks fit and shall be entitled to exercise all powers under the Indian Arbitration Act. 1940,

including admission of any affidavit as evidence concerning the matter in difference i.e.

dispute before him.

58.4 The parties against whom the arbitration proceedings have been initiated, that is to say, the

Respondents in the proceedings, shall be entitled to prefer a cross-claim, counter-claim or

set off before the Arbitrator in respect of any matter in issue arising out of or in relation to

the Agreement without seeking a formal reference of arbitration to the Director (HR) for

such Counter-claim Cross-claim or set off and the Arbitrator shall be entitled to consider

and deal with the same as if the matter arising therefore has been referred to him originally

and deemed to form part of the reference made by the Director (HR).

58.5 The Arbitrator shall be at liberty to appoint, if necessary any accountant or engineer or other

technical person to assist him, and to act by the opinion so taken.

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58.6 The Arbitrator shall have power to make one or more awards whether interim or otherwise in

respect of the dispute and difference and in particular will be entitled to make separate

awards in respect of claims or cross-claims of the parties.

58.7 The Arbitrator shall be entitled to direct any of the parties to pay the costs of the other party

in such manner and to such extent as the Arbitrator may in his discretion determine and shall

also be entitled to require one or both the parties to deposit funds in such proportion to meet

the Arbitrators expenses whenever called upon to do so.

58.8 The parties hereby agree that the Courts in the city of Mumbai alone shall have jurisdiction

of entertain any application or other proceedings in respect of anything arising under this

agreement and any award or awards made by the sole Arbitrator hereunder shall be filed in

the concerned courts in the city of Mumbai only.

59. Safety Code:

First Aid Appliances:

These shall be maintained in a readily accessible place, First aid appliances including

adequate supplies of sterilised dressings and cotton wool.

Injured Person:

An injured person shall be taken to a Public Hospital without loss of time in cases where the

injury requires hospitalisation.

Steel Scaffolds:

i) Suitable steel scaffolds shall be provided for workmen for all works that cannot safely be

done from the ground or from solid construction except in the case of short duration work

which can be done safely from ladders. When a ladder is used, it shall be of rigid

construction made either of good quality wood or steel. The steps shall have a minimum

width of 450 mm and a maximum rise of 300mm. Suitable hand holds of good quality

wood or steel shall be provided and the ladder shall be given an inclination not steeper

than ¼ to 1 (1/4 horizontal and 1 vertical).

ii) Steel scaffolding or staging more than 4M above the ground floor, swung or suspended

from an overhead support or erected with stationary support shall have a guard rail

properly bolted, braced or otherwise secured, at least 1M above the floor, or platform of

such scaffolding or staging and extending along the entire length of the outside and ends

thereof with only such openings as may be necessary for the delivery of materials. Such

scaffolding or staging shall be so fastened as to prevent it from swaying from the, building

or structure.

iii) Working platforms, gangways and stairways shall be so constructed that they do not sag

unduly or unequally and if the height of the platform, gangway or stairway is more than

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4M above ground level or floor level, they shall be closely boarded and shall have

adequate width and be suitably fenced as described in (ii) above.

iv) Every opening in the floor of a building or in a working platform shall be provided with

suitable means to prevent the fall of persons or materials by providing suitable fencing or

railing whose minimum height shall be 1M. Wherever there are open excavations in

ground they shall be fenced off by suitable railing and danger signals installed at night so

as to prevent slipping in to the excavations.

v) Safe means of access shall be provided to all working places. Every ladder shall be

securely fixed. No portable single ladder shall be over 9M in length while the width

between side rails in rung ladder shall in no case be less than 290 mm for ladder up to and

including 3M in length. For longer ladders this width shall be increased at least 20mm for

each additional meter of length.

vi) A sketch of the ladder and scaffolds proposed to be used shall be prepared and approval of

the BPCL‟s Representatives/Employer obtained prior to construction if so directed.

Other Safety Measures:

i) All personnel of the Vendor working within the plant/work site shall be provided with

safety helmets. All welders shall wear welding goggles while doing welding work and all

metal workers shall be provided with safety gloves. Persons employed on metal cutting

and grinding shall wear safety glasses.

ii) Adequate precautions shall be taken to prevent danger from electrical equipment. No

materials at any of the sites of work shall be so stacked or placed as to cause danger or

inconvenience to any person or the public.

iii) The Vendor shall take all measures on the site of the work to protect the public from

accidents and shall be bound to bear the expense of defence of every suit, action or other

proceedings at law that may be brought by any persons for injury sustained owing to

neglect of the above precautions and to pay any such persons or which may with the

consent of the Vendor, be paid to compromise any claim by any such person.

Demolition:

Before any demolition work is commenced and during the progress of the work:

a. All roads and open areas adjacent to the work site shall either be closed or suitably

protected.

b. No electric cable or apparatus which is liable to be a source of danger or a cable or

apparatus used by the operator shall remain electrically charged.

c. All practical steps shall be taken to prevent danger to persons employed from the risk of

fire or explosion or flooding. No floor, roof or other part of the building shall be so over

loaded with debris or materials as to render it unsafe.

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Personal Safety Equipment:

All necessary personal safety equipment as considered adequate by the Engineer should be

kept available for the use of the persons employed on the site and maintained in a condition

suitable for immediate use, and the Vendor should take adequate steps to ensure proper use of

the equipments by those concerned.

a. Workers employed on mixing asphaltic materials, cement and lime mortars and concrete

shall be provided with protective footwear, rubber hand gloves and protective goggles.

b. Those engaged in white washing and mixing or stacking of cement bags or any material

which is injurious to the eyes shall be provided with protective goggles.

c. Those engaged in welding works shall be provided with welder‟s protective eyesight lids.

d. Stone breakers shall be provided with protective goggles and protective clothing and

seated at sufficiently safe intervals.

e. When workers are employed in sewers and manholes which are in use, the Vendor shall

ensure that the manhole covers are opened and are ventilated at least for an hour before the

workers are allowed to get into them and the manholes so opened shall be cordoned off

with suitable railing and provided with warning signals or boards to prevent accidents to

the public.

f. The Vendor shall not employ men below the age of 18 years and women on the work of

painting with products containing lead in any form. Wherever men above the age of 18 are

employed on the work of lead painting the following precautions should be taken.

i) No paint containing lead or lead products shall be used except in the form of paste or

readymade paint.

ii) Suitable face masks should be supplied for use by the workers when paint is applied in the

form of spray or when a surface having lead paint is dry rubbed and scraped.

iii) Overalls shall be supplied by the Vendor to the workmen and adequate facilities shall be

provided to enable the working painters to wash during the cessation of work.

iv) When the work is done near any public place where there is risk of drowning all necessary

equipments should be provided and kept ready for use and all necessary steps taken for

prompt rescue of any person in danger and adequate provision should be made for prompt

first aid treatment of all injuries likely to be sustained during the course of the work.

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Hoisting Machines:

Use of hoisting machines and tackle including their attachments, anchorage and supports

conform to the following standards or conditions:

a. These shall be of good mechanical construction, sound material and adequate strength

and free from patent defects and shall be kept in good repair and in good working order.

b. Every rope used in hoisting or lowering materials or as means of suspensions shall be of

durable quality and adequate strength and free from patent defects.

c. Every crane driver or hoisting appliance operator shall be properly qualified and no

person under the age of 21 years shall be in charge of any hoisting machine including any

scaffolding winch or give signals to operator.

d. In case of every hoisting machine and of every chain ring hook, shackle, shovel and

pulley block used in hoisting or as means of suspension the safe working load shall be

ascertained by adequate means. Every hoisting machine and all gear referred to above

shall be plainly marked with the safe working load. In case of hoisting machine having a

variable safe working load, each safe working load and the conditions under which it is

applicable shall be clearly indicated. No part of any machine or any gear referred to

above in this paragraph shall be loaded beyond the safe working load except for the

purpose of and during testing.

e. In case of departmental machines, the safe working load shall be notified by the

Engineer. As regards Vendor‟s machines, the Vendor shall notify the safe working load

of the machine to the Engineer whenever he brings any machinery to site of work and get

it verified by the Engineer concerned.

f. Motors, gearing, transmission, electric wiring and other dangerous parts of hoisting

appliances should be provided with efficient safeguards. Hoisting appliances should be

provided with such means as will reduce to the minimum the risk of any part of a

suspended load becoming accidentally displaced. When workers are employed on

electrical installations which are already energised, insulating mats, wearing apparel,

such as gloves, sleeves and boots as may be necessary, should be provided. The workers

should not wear any rings, watches and carry keys or other materials which are good

conductors of electricity.

g. Adequate washing facilities should be provided at or near places of work.

h. These safety provisions should be brought to the notice of all concerned by display on a

notice board at a prominent place at the work spot. The person responsible for

compliance of the safety code shall be named therein by the Vendor.

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i. To ensure effective enforcement of the rules and regulations relating to safety precautions

the arrangements made by the Vendor shall be open to inspection by the Labour Officer,

Engineers of the Department or their representatives.

j. Notwithstanding the above Clauses from (i.) to (iv), there is nothing in these to exempt

the Vendor from the operations of any act or rule in force in the Republic of India.

60. Watching & Lighting:

The Vendor shall provide and maintain at his own expense all lights, guards, fencing and

watching when and wherever necessary or required by the Site Engineer-in-Charge for the

protection of the works or for the safety and convenience of those employed on the works or

the public.

61. Entry/Exit of Vendor’s Personnel into BPCL Site:

(a) All Vendors‟ personnel must wear badges in visible position at all times.

(b) All badges for workmen and supervisors shall be as per BPCL design.

(c) Those not wearing badges WILL NOT be allowed entry into the Site.

(d) The Vendor‟s supervisor must be present all times at the gate to give their respective men

the required badges and direct them to the work location.

(e) Vendor‟s supervisor will prepare a duplicate list of workmen entering in the site. The list

will be signed by supervisor and security guard and one copy will be handed to the

security guard. The number of workmen going out will be counter-checked against this

list.

62. Badges for Vendor’s Workmen & Supervisors:

(a) The badges to be provided with suitable clip for wearing these in visible position

(b) Adequate number of badges must be available with Vendor

(c) This shall include the photo badges strictly as per BPCL‟s requirement and the cost for

photo Badges for Vendor‟s labourers, Supervisors, etc. has to be borne by the Vendor.

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SPECIAL CONDITIONS OF CONTRACT

The other conditions are as follows:

1. When in the opinion of BPCL, the HVAC System is practically commissioned & handed over

successfully, they shall forthwith issue a certificate to that effect to the Vendor and defect

liability period shall commence from the date of such certificate.

2. The tenderer is required to quote AMC charges for five years after Defect Liability Period of

one year from the date of handing over.

3. The Tenderer should clearly indicate the complete set of essential tools & tackles, which will

be supplied at the time of the handing over.

5. BPCL reserves the right to inspect the goods during manufacture. All the goods will be

checked on receipt. Any goods rejected by us for not meeting the specifications specified or for

not being in accordance with sample (if any) shall be removed by the tenderer at their own

expense. The inspection does not relieve the tenderer of their responsibilities for any defects in

material, design and/ or workmanship. The tenderer should submit all manufacturers test

certificates. The cost of inspection shall be borne by BPCL.

6. The tenderer is required to provide hoist way for lifting the machines and any other items

required for successful commissioning of the works.

7. The scope of work includes cutting walls/ floors/ partitions, making holes / pockets together

with any repairs including grouting/fixing of bolts/holdfasts, finishing matching with the

existing finish, required steel joists, miscellaneous works for machine supports, scaffolding,

staging etc.

8. The tenderer shall carry out erection and dismantling of scaffolding, staging required for

erection without causing any hindrance to other agencies working in the works site.

9. The minor civil/electrical works required for successful commissioning will be carried out by

the tenderer and the tenderer shall make good any damages caused to the structure at his own

cost.

10. The equipment supplied with all component elements, its erection, testing and commissioning

should comply with all applicable Bureau of Indian Standard Specifications, amended up to

date.

12. The works executed can be inspected by statutory inspecting authorities i.e. Chief Technical

Examiner etc. and their recommendations, recoveries on account of sub- standard

works/services and or any default of the agreed tender conditions and other terms and

conditions, if any, will be binding on the successful tenderers, within the frame work of the

work tender.

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13. The Vendor shall take due care to ensure that no damage is caused to any part of building

during execution of work at site. Any damages shall be rectified by the Vendor at his own risk

and cost.

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TECHNICAL SPECIFICATIONS

1. CONVENTIONAL DX - SPLIT UNITS:

Scope: Scope of work under this section comprises the supply, installation, testing &

commissioning of the air-conditioning split units as per following specifications.

Compressor:

The compressor(s) shall be hermetically or semi-hermetically sealed and designed for

continuous operation even at high ambient temperature of 46 deg c. and suitable for F- 22

refrigerant. The compressor shall be mounted on anti-vibration spring / rubber pads and shall

be mounted in such a way that it is freely accessible with sufficient space all around for easy

maintenance. Safety controls like high pressure and low pressure cutout, overload and single

phasing protection for the motors shall be provided. A crankcase heater shall also be provided

if the vendor considers it necessary.

Condenser:

The condenser shall be air-cooled, made of copper tubes with extended aluminium fins.

Cabinet shall be fabricated out of heavy gauge steel, properly formed for close fit and

structural rigidity and must contain the following :

Suction inlet and liquid outlet connection with shut off valve for liquid.

Any other accessory as recommended by manufacturer for proper functioning of the

equipment.

All access panels shall be so constructed as to be quickly and easily removable. All outside

surface shall be finished with powder coating for protection against humid weather. The

condenser fans shall be directly driven and designed to achieve low condensing temperatures

and operate continuously and silently.

Evaporation Unit:

The cooling coils shall be made of copper having extended aluminium fins. The tubes

shall be mechanically expanded for positive bonding between tubes and fins.. It shall be

possible to install evaporator unit along-with drain connection etc. so that site constraints

arising out of limited space between false ceiling and true ceiling is taken care off. The

cooling coil circuit shall be fed with liquid refrigerant through the expansion device and

distributor. Rows shall be staggered in the direction of air flow and the velocity of air across

the coil shall not exceed 500 fpm. The blower shall be statically and dynamically balanced

designed for silent operation at required air flow rates against required static pressure. The

filters shall be washable synthetic media type arrange for convenient cleaning and

replacement. The drain pan shall be fabricated out of heavy sheet steel, insulated with 1/4"

expanded polyethylene sheets. The casing shall be of heavy gauge GI duly powder coated for

weather protection.

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Control Panel:

All necessary controls and accessories like thermostatic expansion valve, distributor, filter

drier in liquid lines, shut off valves, HP/LP cut out for compressor, thermostat with adjustable

settings overload and single phasing preventer for motor etc. are to be provided. The relays,

contactors, starters etc. shall be mounted on a panel and shall be installed at a location

convenient for operation. Tripping of the compressor by the thermostat or compressor cut outs

shall not trip the fan. The thermostat setting shall be adjustable and the HP/LP cut out shall be

manual reset type.

All the equipment mentioned above, except control panel shall be provided within a heavy

gauge sheet metal cabinet. This shall be given two coats of rust proof and enamel paint.

All outdoor units shall be mounted on MS structure with proper service space and protective

railing if necessary. The entire structure shall be painted with 2 coats of red oxide followed

with 2 coats of epoxy paint. The shade of the paint will be approved by the Architect.

Evaporator units shall be suspended using check nuts with 2 anchor fasteners for each support.

Control Interlock:

Interlocking requirement shall be as under;

Compressor shall not start unless the evaporator fan and condenser fan is started.

Tripping of the compressor on HP/LP, overload or on thermostat shall not trip the fan.

Strip heater (if provided) shall not be switched on, unless the evaporator fan is started and

air flow is established. An airstat on flow switch shall be used for this purpose. However,

the heater shall be separately controlled by humidistat / thermostat.

Testing and Inspection:

Performance testing of split units should be conducted for 72 hours - the actual days of testing

shall be mutually agreed. The following readings shall be taken to compare with guaranteed

performance data;

Condenser inlet and outlet temperature

Entering and leaving air temperature of cooling coil

Motor current for the compressor and blower.

Air quantity delivered by the fan. This shall be computed by adding air quantity leaving

the grills and entering the air filter.

Room, dry bulb temperature.

Test to ensure all controls and safety instruments are working properly.

NOTE: If the power fails when the equipment is in a running condition then the equipment

shall automatically restart when the power is restored. This is specifically very

important for the Standby AC 's provided for Server room.

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Refrigerant Piping:

Refrigerant piping shall be insulated with nitrile foam sleeve and clamped to the wall at every

3-4 ft. distance. In case where clamping of all pipes is not possible, then the same shall be

supported on slotted angles.

The rate quoted for refrigerant piping shall be based on following method of calculation of

refrigerant piping length. The average distance between evaporator unit and condenser unit for

any split A.C. along the path of refrigerant piping shall be taken as length of refrigerant pipe.

This shall be so irrespective of the number of tubes connecting evaporator unit and condenser

unit.

The Copper Pipes shall confirm to ASTM B280-03 Standards.

Electrical Work:

The electrical work shall be carried out as per IE rules. For split air-conditioners working on

Three phase electric supply, the owner will provide incoming cable with earthing

terminating in split unit control panel supplied by the contractor.

Further distribution including power cabling (1100V grade) control cabling (650 V grade )

and earthing of GI shall be carried out by the contractor. The electrical panel required for all

the split units shall also to be provided by the contractor. The cable shall be PVC insulated

with copper as the conducting material.

For split air-conditioners working on Single Phase electric supply, the owner shall provide

incoming cable within two meters from evaporator /condenser unit.

The rate quoted for electrical wiring shall be based on the following method of calculation of

electrical wiring length.

The average distance between evaporator unit and control panel and between control panel

and condenser unit for any split AC along the path of electrical wiring shall be taken as length

of electrical wire. This shall be so irrespective of the number of wires connecting evaporator

unit, control panel and condenser unit.

The electrical work shall be carried out by the contractor as per the approved drawings.

Drain Piping:

Condensate from the evaporator shall be drained through properly installed drain piping

designed to prevent any accumulation of condensate in the drain pan. Drain piping shall be

made of 1" dia. (I/D) / 2" dia. (I/D) rigid PVC pipe of 6 kg /cm² pressure rating with water

tight connections, leading from the room unit to a suitable drain point. Complete drain

piping shall be made leak proof and water tight by means of precise installation and the use of

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leak proof sealant / adhesive. The entire length of drain piping shall be insulated with 6 mm

thick nitrile rubber foam sleeves/ 5mm thick expanded polyethylene insulation.

2. VARIABLE REFRIGERANT VOLUME SYSTEM

Scope:

The scope of this section comprises the supply, erection testing and commissioning of

Variable Refrigerant Flow System conforming to these specifications and in accordance with

the requirements of Drawing and Schedule of Quantities

Type:

Units shall be air cooled, variable refrigerant volume air conditioner consisting of one outdoor

unit and multiple indoor units. Each indoor units having capability to cool independently for

the requirement of the rooms.

It shall be possible to connect minimum 10 indoor units on one refrigerant circuit. The indoor

units on any circuit can be of different type and also controlled individually. Following type

of indoor units shall be connected to Ceiling mounted ductable type. Compressor installed in

outdoor unit shall be equipped with at least two inverter compressor up to 12HP, four inverter

compressors up to 24 HP and above this, six inverter compressors. The system shall be

capable of changing the rotating speed of inverter compressor by inverter controller to follow

variations in cooling and heating load.

Outdoor unit shall be suitable for mix match connection of all type of indoor units.

The refrigerant piping between indoor units and outdoor unit shall be extended up to 150m

with maximum 50m level difference without any oil traps.

Both indoor units and outdoor unit shall be factory assembled, tested and filled with first

charge of refrigerant before delivering at site.

Outdoor Unit:

The outdoor unit shall be factory assembled, weather proof casing, constructed from heavy

gauge mild steel panels and coated with baked enamel finish. The unit should be completely

factory wired, tested with all necessary controls and switch gears:

All outdoor units above 5 HP shall have minimum two Scroll/Rotary compressors and be able

to operate even in case one of compressor is out of order. In case of outdoor units above

20HP, the outdoor unit shall have at least 3 compressor so that the operation is not disrupted

with failure of any compressor. It should also be provided with duty cycling for switching

starting sequence of multiple outdoor units.

42

The noise level shall not be more than 60 dB(A) at normal operation measured horizontally

1m away and 1.5m above ground level. The outdoor unit shall be modular in design and

should be allowed for side by side installation. The unit shall be provided with its own

microprocessor control panel.

The outdoor unit should be fitted with low noise, aero spiral design fan with large airflow and

should be designed to operate compressor-linking technology. The unit should also be capable

to deliver 55 Pa external static pressure to meet long exhaust duct connection requirement.

The condensing unit shall be designed to operate safely when connected to multiple fan coil

units, which have a combined operating nominal capacity up to 135 % of indoor units.

Compressor:

The compressor shall be highly efficient Scroll/Rotary type and capable of inverter control. It

shall change the speed in accordance to the variation in cooling or heating load requirement:

The inverter shall be IGBT type for efficient and quiet operation. All outdoor units shall have

at least 10 steps of capacity control to meet load fluctuation and indoor unit individual control.

All parts of compressor shall be sufficiently lubricated stock. Forced lubrication may also be

employed. Oil heater shall be provided in the compressor casing.

Refrigerant Circuit:

The refrigerant circuit shall include liquid & gas shut-off valves and a solenoid valves at

condenser end.

All necessary safety devices shall be provided to ensure the safely operation of the system.

Safety Devices:

All necessary safety devices shall be provided to ensure safe operation of the system.

Following safety devices shall be part of outdoor unit like high pressure switch, fuse,

crankcase heater, fusible plug, over load relay, protection for inverter, and short recycling

guard timer.

Oil Recovery System:

Unit shall be equipped with an oil recovery system to ensure stable operation with long

refrigeration piping lengths.

Indoor Unit:

This section deals with supply, installation, testing, commissioning of various type of indoor

units confirming to general specification and suitable for the duty selected. The type, capacity

and size of indoor units shall be as specified in detailed Bill of Quantities.

43

General:

Indoor units shall be either ceiling mounted cassette type, or ceiling mounted ductable type or

floor standing type or wall mounted type or other as specified in BOQ. These units shall have

electronic control valve to control refrigerant flow rate respond to lead variations of the room.

The address of the indoor unit shall be set automatically in case of individual and group

control. In case of centralized control, it shall be set by liquid crystal remote controller.

The fan shall be dual suction, aerodynamically designed turbo, multi blade type, statically &

dynamically balanced to ensure low noise and vibration free operation of the system. The fan

shall be direct driven type, mounted directly on motor shaft having supported from housing.

The cooling coil shall be made out of seamless copper tubes and have continuous aluminum

fins. The fins shall be spaced by collars forming an integral part. The tubes shall be staggered

in the direction of airflow. The tubes shall be hydraulically / mechanically expanded for

minimum thermal contact resistance with fins. Each coils shall be factory tested at 21kg/sqm

air pressure under water.

Unit shall have cleanable type filter fixed to an integrally moulded plastic frame. The filter

shall be slide away type and neatly inserted.

Each indoor unit shall have computerized PID control for maintaining design room

temperature. Each unit shall be provided with microprocessor thermostat for cooling .

Each unit shall be with wired LCD type remote controller. The remote controller shall

memorize the latest malfunction code for easy maintenance. The controller shall have self-

diagnostic features for easy and quick maintenance and service. The controller shall be able to

change fan speed and angle of swing flat individually as per requirement.

Ceiling Mounted Cassette Type Unit (Multi Flow type)

The unit shall be ceiling mounted type. The unit shall include pre-filter, fan section and DX-

coil section. The housing of the unit shall be powder coated galvanized steel. The body shall

be light in weight and shall be able to suspend from four corners.

Unit shall have an external attractive panel for supply and return air. Unit shall have four way

supply air grilles on sides and return air grille in center.

Each unit shall have high lift drain pump, fresh air intake provision (if specified)

Low gas detection system and very low operating sound.

All the indoor units regardless of their difference in capacity should have same decorative

panel size for harmonious aesthetic point of view. It should have provision of connecting

branch ducts.

44

Ceiling Mounted Ductable Type:

Unit shall be suitable for ceiling mounted type. The unit shall include pre filter, fan section &

DX coil section .The housing of unit shall be light weight powder coated galvanized steel. The

unit shall have high static fan for Ductable arrangement.

Ceiling Suspended Type:

Unit shall be suitable for ceiling suspended arrangement below false ceiling. The unit include

pre filter , fan section & DX coil section . The housing of unit shall be light weight powder

coated galvanized steel.

High Wall Mounted Units:

The units shall be wall-mounted type. The unit includes pre filter, fan section & DX coil

section. The housing of unit shall be light weight powder coated galvanized steel. The unit

shall have an attractive external casing for supply and return air.

Floor Standing Type:

The unit shall be suitable for floor standing arrangement. The unit include pre filter, fan

section & DX coil section. The housing of unit shall be light weight powder coated galvanized

steel.

Centralised Type Remote Controller (Option if specified in BOQ):

A multifunctional compact centralized controller shall be provided with the system.

Graphic Controller must act as an advanced air conditioning management system to give

complete control of VRV air conditioning equipment, It should have ease of use for the user

through its touch screen, icon display and color LCD display.

It shall be able to control up to 64 groups of indoor units with the following functions;

Starting/stopping of Air conditioners as a zone or group or individual unit.

Temperature settling for each indoor unit or zone.

Switching between temperature control modes, switching of fan speed and direction of

airflow, enabling/disabling of individual remote controller operation.

Monitoring of operation status such as operation mode & temperature setting of individual

indoor units, maintenance information, trouble shooting information.

Display of air conditioner operation history.

45

Daily management automation through yearly schedule function with possibility of various

schedules.

The controller shall have wide screen user friendly color LCD display and can be wired by a

non polar 2 wire transmission cable to a distance of 1 km. away from indoor unit.

Unified On/Off Controller (Option if specified in BOQ):

Unified ON/OFF controller shall be supplied as optional accessory. The controller shall be

able to control minimum 15 groups ( each group containing maximum 16 indoor units) or 128

nos. of indoor units with the following functions:

On/Off as a zone or individual unit. Indication of operation condition of each group.

Select one of 4 operation modes.

Schedule Timer (Option if specified in BOQ):

A schedule timer shall be supplied as an optional accessory. The timer shall be able to set

operation schedule for all indoor units. The timer shall be able to set 8 pattern of schedule

combined with centralized controller.

Refrigerant Piping:

All refrigerant piping for the air conditioning system shall be constructed from soft seamless

upto 19.1mm and hard drawn copper refrigerant pipes for above 19.1mm with copper fittings

and silver-soldered joints. The refrigerant piping arrangements shall be in accordance with

good practice within the air conditioning industry, and are to include charging connections,

suction line insulation and all other items normally forming part of proper refrigerant circuits.

All joints in copper piping shall be sweat joints using low temperature brazing and or silver

solder. Before jointing any copper pipe or fittings, its interiors shall be thoroughly cleaned by

passing a clean cloth via wire or cable through its entire length. The piping shall be

continuously kept clean of dirt etc. while constructing the joints. Subsequently, it shall be

thoroughly blown out using nitrogen.

After the refrigerant piping installation has been completed, the refrigerant piping system shall

be pressure tested using nitrogen at pressure of 20Kg/cm2 and 10 Kg/cm2 (low side). Pressure

shall be maintained in the system for 24 hours. The system shall then be evacuated to

minimum vacuum if 700mm hg and held for 24 hours.

The air-conditioning system supplier shall be design sizes and erect proper interconnections of

the complete refrigerant circuit.

The thickness of copper piping shall not be less than 20 gauge pipes up to 19.1mm and

18guage for bigger sizes

46

The suction line pipe size and the liquid line pipe size shall be selected according to the

manufacturers specified outside diameter. All refrigerant pipes shall be properly supported and

anchored to the building structure using steel hangers, anchors, brackets and supports which

shall be fixed to the building structure by means of inserts or expansion shields of adequate

size and number to support the load imposed thereon.

To protect nitrile rubber insulation of exposed copper piping from degrading due ultra

violet rays & atmospheric condition, it shall be covered polyshield coating with at least

two coats of resin and hardener (Make- poly bond company) above nitrile rubber

insulation.

Fiberglass tape shall be helically wound & coated with painted two coats of resin with

hardener to give smooth & plain finish.

Pipe Insulation:

a. Refrigerant Pipe Insulation

The whole of the liquid and suction refrigerant lines including all fittings, valves and

strainer bodies, etc. shall be insulated with 19mm /13 mm thick elastomeric nitrile rubber

as specified in BOQ.

b. Drain Pipe Insulation

Drain pipes carrying condensate water shall be insulated with 6 mm thick elastomeric

nitrile rubber insulation.

For proper drainage of condensate, U Trap shall be provided in the drain piping

(wherever required). All pipe supports shall be of pre fabricated & pre painted slotted

angle supports, properly installed with clamps etc.

3. VENTILATION AND EXHAUST FANS:

Scope:

Scope of this section comprises the supply, erection, testing and commissioning of ventilation

and exhaust fans of capacities set forth in the schedule of equipment.

Cabinet type Supply / Exhaust Air Fans: Units shall be complete factory-assembled and tested . Casing shall be of 16 G

galvanized sheets, ribbed and reinforced with access provided by hand holes in casing

panels. Supply air unit shall have fan section, plenum section and filter section with

independent base frame with leveling screw and joined together with rubber gasket. Filter

section shall be provided with synthetic media washable filter.

47

Centrifugal Fans:

The centrifugal fans shall be heavy duty single or double suction conforming to IS:4894. The

casing shall be of heavy gauge steel Sheet/plate seam welded with necessary stiffened angle or

channel side bracings and with fixed suction and discharge flanges, manually operated suction

vanes. Movable inlet vanes shall be provided only where specified for automatic control. and

shall be complete with necessary linkage for actuation by automatic controls.

The impeller shall be forward/backward curved duly statically and dynamically balanced. The

shafts shall be of hot rolled steel or alloy steel liberally sized to achieve the critical speed at

least 30% above the normal speed.

Fans shall be of non-overloading type. The fan CFM, static pressure, arrangement, width,

direction of rotation, mode of discharge etc., shall be indicated in the schedule of equipment

and in the applicable drawing or as required.

Fans shall also be provided with heavy duty outlet dampers mounted in a separate frame,

wherever required. Fans shall have access door for cleaning.

All class I fans be provided with roller bearings with generous oil reservoir, drain plug, oil

level indicator, etc class II and III fans be provided with heavy duty self aligning, regreasable

roller bearings capable of absorbing radial and /or thrust loads.

Fans shall be driven by an electric motor as specified in the schedule of equipment. Motor

ratings are only tentative and where a fan requires a higher capacity motor, the contractor shall

clearly point out the requirement and make his offer accordingly. Motor ratings shall be at

least 5% over limit lead plus transmission losses but not less than specified HP. All motors

shall be TEFC with IP 55 construction.

Fans to be given 2 coats of epoxy paint (galvanized) after fabrication and mounted on

common base frame with spring type vibration mounts and having a minimum of 25 mm static

deflection. Fans shall be statically and dynamically balanced.

Tube Axial Inline Fan:

Inline fans shall be of the tube axial type with fabricated steel impeller and shall be capable of

pressures through 100 mm wg. It shall be recommended for continuous high temperature

process applications and listed as a UL Power Ventilator for Smoke Control.

The housing shall be constructed of continuously welded steel and include integral punched

inlet and outlet flanges to prevent air leakage. All inline fans shall be capable of field

transitions from horizontal to vertical for either base mounted or ceiling hung configurations.

Bearings shall be cast iron pillow block, grease lubricated, and self-aligning. It shall be Air

Handling Quality and tested for reduced swivel torque, bore size, noise, and vibration. Shall be

selected for an L(10) life, per ABMA Standards, in excess of 80,000 hours for horizontal

applications or an L(10) life of 40,000 hours for vertical applications.

48

Fan performance shall be based on tests conducted in accordance with AMCA Standard 210.

All fans shall be licensed to bear the AMCA Certified Ratings Seal for Air Performance.

4. SHEET METAL WORK:

DUCTS FABRICATED IN FACTORY AS PER “SMACNA” STANDARDS:

AIR DISTRIBUTION

Scope: The scope of this section comprises supply fabrication, installation and testing of all

sheet metal / aluminium ducts, supply, installation, testing and balancing of all grilles,

registers and diffusers. All to be in accordance with these specifications and the general

arrangement shown on the Drawings.

Duct Materials: Galvanizing shall be Class VII – light coating of zinc, nominal 180gm/sq.m

surface area and Lock Forming Quality prime material along with mill test certificates. In

addition, if deemed necessary, samples of raw material, selected at random by owner‟s site

representative shall be subject to approval and tested for thickness and zinc coating at

contractor's expense.

Gauges, Bracing by Size of Ducts: All ducts shall be fabricated from galvanized steel /

aluminum of the following thickness, as indicated as below :

For Ducts with external SP upto 250 Pa (To be used for Hotels & Commercial Projects)

Rectangular

Ducts G S

Pressure 250 Pa

Duct Section Length 1.2 m (4 ft)

Maximum Duct

Size

Gauge Joint Type Bracing Spacing

1–750 mm 26 C & S/ SS Nil

751 – 1000 mm 26 4 Bolt Transverse Duct

Connector- (TDC) / Slip-

on E

Nil

1001 – 1200 mm 24 4 Bolt TDC / Slip-on E Nil

1201 – 1500 mm 24 4 Bolt TDC / Slip-on F Nil

1501 – 1800 mm 22 4 Bolt TDC / Slip-on H Nil

1801 – 2100 mm 20 4 Bolt TDC / Slip-on I Zeebar Stiffener 1-S

2101 – 2700 mm 18 4 Bolt TDC / Slip-on I Zeebar Stiffener 1-S

49

For Ducts with External SP upto 500 Pa (For Hospital & Clean room jobs, where AHU SP is

specified as 75 mm and above. Not Suitable for OTs)

Rectangular

Ducts G. S.

External Pressure 500 Pa

Duct Section Length

1.2 m (4 ft)

Maximum Duct Size Gauge Joint Type Bracing Spacing

1–600 mm 26 C & S/ SS Nil

601-750 mm 26 4 Bolt Transverse Duct

Connector- (TDC) / Slip-

on E

Nil

751-1000 mm 24 4 Bolt TDC / Slip-on F Nil

1001-1200 mm 22 4 Bolt TDC / Slip-on G Nil

1201-1300 mm 20 4 Bolt TDC / Slip-on H Nil

1301-1500 mm 18 4 Bolt TDC / Slip-on H Zeebar Stiffener 1-S

1501-1800 mm 18 4 Bolt TDC / Slip-on I Zeebar Stiffener 1-S

1801-2100 mm 18 4 Bolt TDC / Slip-on J Zeebar Stiffener 2-S

2101-2250 mm 18 4 Bolt TDC / Slip-on J Zeebar Stiffener 2-S

2251-2400 mm 18 4 Bolt TDC / Slip-on J Zeebar Stiffener 2-S

2401-2700 mm 18 4 Bolt TDC / Slip-on J Zeebar Stiffener 2-S

'C'-cleat; 'S'-S cleat; 'SS'-Standing S cleat;

*Distance of reinforcement/bracing from each joint. Bracing material to be same as of

material used for joining of duct sections.

Fabrication Standards & Equipment:

All duct construction and installation shall be in accordance with SMACNA standards. In

addition ducts shall be factory fabricated utilizing the following machines to provide the

requisite quality of ducts.

Coil (Sheet metal in Roll Form) lines to facilitate location of longitudinal seams at

corners/folded edges only, for required duct rigidity and leakage free characteristics. No

longitudinal seams permitted along any face side of the duct.

50

All ducts, transformation pieces and fittings to be made on CNC profile cutter for requisite

accuracy of dimensions, location and dimensions of notches at the folding lines.

All edges to be machine treated using lock formers, flingers and rollers for turning up edges.

Duct Construction:

All ducts shall be fabricated and installed in workmanlike manner, conforming to relevant

SMACNA codes.

Ducts so identified on the Drawings shall be acoustically lined and insulated from outside as

described in the section “Insulation” and as indicated in schedule of Quantities. Duct

dimensions shown on drawings, are overall sheet metal dimensions inclusive of the acoustic

lining where required and indicated in Schedule of quantities. The fabricated duct dimensions

should be as per approved drawings and care should be taken to ensure that all connecting

sections are dimensionally matched to avoid any gaps.

Ducts shall be straight and smooth on the inside with longitudinal seams shall be airtight and

at corners only which shall be either Pittsburgh or snap button as per SMACNA practice, to

ensure air tightness.

All ducts up to 75cms width within conditioned spaces shall have slip and drive (C & S/SS)

joints. The internal ends of slip joints shall be in the direction of airflow. Care should be

taken to ensure that S/SS Cleats are mounted on the longer side of the duct and Cleats on the

shorter side. Ducts and accessories within ceiling spaces, visible from air-conditioned areas

shall be provided with two coats of mat black finish paint.

Changes in dimensions and shape of ducts shall be gradual (between 1:4 and 1:7). Air-turns

(vanes) shall be installed in all bends and duct collars designed to permit the air to make the

turn without appreciable turbulence.

Ducts shall be fabricated as per details shown on Drawings. All ducts shall be rigid and shall

be adequately supported and braced where required with standing seams, tees, or angles, of

ample size to keep the ducts true to shape and to prevent buckling, vibration or breathing.

All sheet metal connection, partitions and plenums, required to confine the flow of air to and

through the filters and fans, shall be constructed of 18 gauge GSS / 16gauge aluminium,

thoroughly stiffened with 25mm x 25mm x 3mm galvanized steel angle braces and fitted with

all necessary inspection doors as required, to give access to all parts of the apparatus. Access

doors shall be not less than 45cm x 45cm in size.

Plenums shall be shop/factory fabricated panel type and assembled at site. Fixing of

galvanized angle flanges on duct pieces shall be with rivets heads inside i.e. towards GS sheet

and riveting shall be done from outside.

51

Self adhesive Neoprene rubber / UV resistant PVC foam lining 5mm nominal thickness

instead of felt, shall be used between duct flanges and between duct supports in all ducting

installation.

Installation Practice:

All ducts shall be installed generally as per tender drawings, and in strict accordance with

approved shop drawings to be prepared by the Contractor:

The Contractor shall provide and neatly erect all sheet metal work as may be required to carry

out the intent of these Specifications and Drawings. The work shall meet with the approval of

Owner‟s site representative in all its parts and details

All necessary allowances and provisions shall be made by the Contractor for beams, pipes, or

other obstructions in the building, whether or not the same are shown on the drawings. Where

necessary to avoid beams or other structural work, plumbing or other pipes, and conduits, the

ducts shall be transformed, divided or curved to one side (the required area being maintained)

all as per the site requirements.

If a duct cannot be run as shown on the drawings, the contractor shall install the duct between

the required points by any path available in accordance with other services and as per approval

of owner‟s site representative.

All ductwork shall be independently supported from building construction. All horizontal

ducts shall be rigidly and securely supported, in an approved manner, with trapeze hangers

formed of galvanized steel rods and galvanized steel angle/channel or a pair of brackets,

connected by galvanized steel rod under ducts. The spacing between supports should be not

greater than 2.0 meter. All vertical ductwork shall be supported by structural members on

each floor slab. Duct supports may be through galvanized steel insert plates left in slab at the

time of slab casting. Galvanized steel cleat with a hole for passing the hanger rods shall be

welded to the plates. Trapeze hanger formed of galvanized steel rods shall be hung through

these cleats. Wherever use of metal insert plates is not feasible, duct support shall be through

dash/anchor fastener driven into the concrete slab by electrically operated gun. Hanger rods

shall then hang through the cleats or fully threaded galvanized rods can be screwed into the

anchor fasteners.

Ducting over furred ceiling shall be supported from the slab above, or from beams after

obtaining approval of Owner‟s site representative. In no case shall any duct be supported

from false ceiling hangers or be permitted to rest on false ceiling. All metal work in dead or

furred down spaces shall be erected in time to occasion no delay to other contractor‟s work in

the building.

Where ducts pass through brick or masonry openings, it shall be provided with 25mm thick

TF quality expanded polystyrene around the duct and totally covered with fire barrier mortar

for complete sealing.

52

All ducts shall be totally free from vibration under all conditions of operation. Whenever

ductwork is connected to fans, air handling units or blower coil units that may cause vibration

in the ducts, ducts shall be provided with a flexible connection, located at the unit discharge.

Flexible connections shall be constructed of fire retarding flexible heavy canvas sleeve at least

10cm long securely bonded and bolted on both sides. Sleeve shall be made smooth and the

connecting ductwork rigidly held by independent supports on both sides of the flexible

connection. The flexible connection shall be suitable for pressure at the point of installation.

Duct shall not rest on false ceiling and shall be in level from bottom. Taper pieces shall taper

from top.

Dampers:

All duct dampers shall be opposed blade louver dampers of robust 16 G GSS construction and

tight fitting. The design, method of handling and control shall be suitable for the location

and service required.

Dampers shall be provided with suitable links levers and quadrants as required for their proper

operation. Control or setting device shall be made robust, easily operable and accessible

through suitable access door in the duct. Every damper shall have an indicating device

clearly showing the damper position at all times.

Dampers shall be placed in ducts at every branch supply or return air duct connection,

whether or not indicated on the Drawings, for the proper volume control and balancing of

the air distribution system.

Fire & Smoke Dampers:

All supply and return air ducts at AHU room crossings and at all floor crossings shall be

provided with Motor operated Fire & smoke damper of at least 90 minutes rating as per

UL555/1995 tested by CBRI. These shall be of multi-leaf type and provided with Spring

Return electrical actuator having its own thermal trip for ambient air temperature outside the

duct and air temperature inside the duct. Actuator shall have Form fit type of mounting, metal

enclosure and guaranteed long life span.

Fire damper blades and outer frames shall be of 16G galvanized steel construction fitted with

18 gage extended sleeves on both sides. The damper blade shall be pivoted on both ends using

chrome plated spindles in self lubricated bronze bushes. Stop seals shall be provided on top

and bottom of the damper housing made of 16G galvanized sheet steel. For preventing

smoke leakage metallic compression seals will be provided.

The electric actuator shall be energized either upon receiving a signal from smoke detector

installed in AHU room supply air duct / return air duct or temperature sensor. The fire

damper shall also close upon sensing temperature rise in supply air ducts thru the electronic

temperature sensor.

53

Each damper shall be provided with its own control panel, mounted on the wall and suitable

for 240 VAC supply. This control panel shall be suitable for spring return actuator and shall

have at least the following features:

Potential free contacts for AHU fan ON/ Off and remote alarm indication.

Accept signal from external smoke / fire detection system for tripping the electrical

actuator.

Test and reset facility.

Indicating lights / contacts to indicate the following status:

Power Supply On

Alarm

Damper open and close position.

Actuators shall be mounted on the sleeve by the damper supplier in his shop and shall furnish

test certificate for satisfactory operation of each Motor Operated Damper in conjunction with

it‟s control panel. Control panel shall be wall mounted type.

It shall be HVAC Contractor‟s responsibility to co-ordinate with the Fire Alarm System

Contractor for correctly hooking up the Motor Operated Damper to Fire Detection / Fire

Management System. All necessary materials for hooking up shall be supplied and installed

by HVAC Contractor under close co-ordination with the fire protection system contractor.

HVAC Contractor shall demonstrate the testing of all Dampers and its control panel after

necessary hook up with the fire protection / fire management system is carried out by

energizing all the smoke detectors with the help of smoke.

HVAC Contractor shall provide Fire retardant cables wherever required for satisfactory

operation and control of the Damper.

HVAC Contractor shall strictly follow the instructions of the Damper Supplier or avail his

services at site before carrying out testing at site.

Fire/smoke damper shall be provided with factory fitted sleeves; however, access doors shall

be provided in the ducts within AHU room in accordance with the manufacturer‟s

recommendations.

The Contractor shall also furnish to the Owner, the necessary additional spare actuators

and temperature sensor ( a minimum of 5% of the total number installed) at the time of

commissioning of the installation.

54

Fire Dampers:

Whenever a supply/return duct crosses from one fire zone to another, it shall be provided with

approved fire damper of at least 1½ hour fire rating as per UL555/1995 tested by CBRI. This

shall be curtain type fire damper.

Fire damper blades shall be one piece folded high strength 16 gage galvanized steel

construction. In normal position, these blades shall be gathered and stacked at the frame head

providing maximum air passage and preventing passing air currents from creating noise or

chatter. The blades shall be held in position through fusible link of temp 70o C.

In case of fire, the intrinsic energy of the folded blades shall be utilized to close the opening.

The thrust of the suddenly released tension shall instantly drive the blades down and keep it

down without the use of springs, weights or other devices subject to failure.

Fire damper sleeves and access doors shall be provided within the duct in accordance with the

manufacturer‟s recommendation.

The contractor shall also furnish to the Owner, the necessary additional fusible links (spares),

as recommended by the manufacturer, at the time of commissioning of the installation.

Supply and Return Air Registers:

Supply & return air registers shall be of either steel or aluminium sections as specified in

schedule of quantities. Steel construction registers shall have primer Coat finish whereas

extruded aluminium registers shall be either Anodised or Powder Coated as specified in

Schedule of Quantities. These registers shall have individually adjustable louvers both

horizontal and vertical. Supply air registers shall be provided with key operated opposed

blade extruded aluminium volume control damper anodised in matt black shade.

The registers shall be suitable for fixing arrangement having concealed screws as approved by

Architect. Linear continuous supply cum return air register shall be extruded aluminium

construction with fixed horizontal bars at 15 Deg. inclination & flange on both sides only

(none on top & bottom). The thickness of the fixed bar louvers shall be minimum 5.5 mm in

front and 3.8 mm in rear with rounded edges. Flanges on the two sides shall be 20 mm/30

mm wide as approved by Architect. The grilles shall be suitable for concealed fixing.

Volume control dampers of extruded aluminium anodised in black colour shall be

provided in supply air duct collars. For fan coil units horizontal fixed bar grilles as

described above shall be provided with flanges on four sides, and the core shall be &

suitable for clip fixing, permitting its removal without disturbing the flanges.

a. All registers shall be selected in consultation with the Architect. Different spaces shall

require horizontal or vertical face bars, and different width of margin frames. These shall

be procured only after obtaining written approval from Architect for each type of

register.

55

b. All registers shall have a soft continuous rubber/foam gasket between the periphery of

the register and the surface on which it has to be mounted. The effective area of the

registers for air flow shall not be less than 66 percent of gross face area.

c. Registers specified with individually adjustable bars shall have adjustable pattern as each

grille bar shall be pivotable to provide pattern with 0 to +45 degree horizontal arc and

upto 30 degree deflection downwards. Bars shall hold deflection settings under all

conditions of velocity and pressure.

d. Bar longer than 45 cm shall be reinforced by set-back vertical members of approved

thickness.

e. All volume control dampers shall be anodised aluminium in mat black shade.

Supply and Return Air Diffusers:

Supply and return air diffusers shall be as shown on the Drawings and indicated in Schedule

of Quantities. Mild steel diffusers/dampers shall be factory coated with rust-resistant primer.

Aluminium diffusers shall be powder coated & made from extruded aluminium section as

specified in schedule of quantities.

a. Rectangular Diffusers shall be steel / extruded aluminium construction, square &

rectangular diffusers with flush fixed pattern for different spaces as per schedule of

quantities These shall be selected in consultation with the Architect. These shall be

procured only after obtaining written approval from Architect for each type of

diffuser.

b. Supply air diffusers shall be equipped with fixed air distribution grids, removable key-

operated volume control dampers, and anti-smudge rings as required in specific

applications, and as per requirements of schedule of quantities. All extruded

aluminium diffusers shall be provided with removable central core and concealed key

operation for volume control damper.

c. Linear Diffuser shall be extruded aluminium construction with removable core,

one or two way blow type. Supply air diffusers shall be provided with volume control/

balancing dampers within the supply air collar. Diffusers for different spaces shall be

selected in consultation with the Architect, and provided as per requirements of

schedule of quantities. All diffusers shall have volume control dampers of extruded

aluminium construction anodised in mat black shade.

d. Slot Diffuser shall be extruded aluminium construction multi slot type with air pattern

controller provided in each slot. Supply air diffusers shall be provided with Hit &

Miss volume control dampers in each slot of the supply air diffusers. Diffusers for

different spaces shall be selected in consultation with the Architect and provided as per

requirement of Schedule of Quantities.

56

Documentation & Measurement for Ducting:

All ducts fabricated and installed should be accompanied and supported by proper

documentation:

a. Bill of material/Packing list for every duct section supplied.

Measurement sheet covering each fabricated duct piece showing dimensions and external

surface area along with summary of external surface area of duct gauge wise.

Each and every duct piece to have a tag number, which should correspond to the serial

number, assigned to it in the measurement sheet. The above system will ensure speedy and

proper site measurement and verification.

Unless otherwise specified, measurements for ducting for the project shall be on the basis of

centreline measurements described herewith

Ductwork shall be measured on the basis of external surface area of ducts. Duct

measurements shall be taken before application of the insulation. The external surface area

shall be calculated by measuring the perimeter comprising overall width and depth, including

the corner joints, in the centre of each duct section, multiplying with the overall length from

flange face to flange face of each duct section and adding up areas of all duct sections.

Plenums shall also be measured in a similar manner.

For tapered rectangular ducts, the average width and depth shall be considered or perimeter,

whereas for tapered circular ducts, the diameter of the section midway between large and

small diameter shall be adopted, the length of tapered duct section shall be the center line

distance between the flanges of the duct section.

For special pieces like bends, tees, reducers, branches and collars, mode of measurement shall

be identical to that described above using the length along the centre line.

The quoted unit rate for external surface of ducts shall include all wastage allowances, flanges

and gaskets for joints, nuts and bolts, hangers and angles with double nuts for supports, rubber

strip 5mm thick between duct and support, vibration isolator suspension where specified or

required, inspection chamber/access panel, splitter damper with quadrant and lever for

position indication, turning vanes, straightening vanes, and all other accessories required to

complete the duct installation as per the specifications. These accessories shall NOT be

separately measured nor paid for.

b. Special Items for Air Distribution shall be measured by the cross-section area perpendicular

to air flow, as identified herewith :

i. Grilles and registers - width multiplied by height, excluding flanges. Volume control

dampers shall form part of the unit rate for registers and shall not be separately

accounted.

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ii. Diffusers - cross section area for air flow at discharge area, excluding flanges. Volume

control dampers shall form part of unit rate for supply air diffusers and shall not be

separately accounted.

iii. Linear diffusers - shall be measured by cross-sectional areas and shall exclude flanges

for mounting of linear diffusers. The supply air plenum for linear diffusers shall be

measured with ducting as described earlier.

iv. Fire dampers - shall be measured by their cross sectional area perpendicular to the

direction of air flow. Quoted rates shall include the necessary collars and flanges for

mounting, inspection pieces with access door, electrical actuators and panel. No special

allowance shall be payable for extension of cross section outside the air stream.

v. Flexible connection - shall be measured by their cross sectional area perpendicular to the

direction of air flow. Quoted rates shall include the necessary mounting arrangement,

flanges, nuts and bolts and treated-for-fire requisite length of canvas cloth.

vi. Kitchen Hoods - shall be measured by their cross sectional area at the capture point of

fumes, parallel to the surface of kitchen equipment. Quoted rates shall include the

grease filters, provision for hood light, suspension arrangement for the hood, profile

to direct the air to ventilation ducts and provision for removable drip tray.

Testing & Balancing:

After the installation of the entire air distribution system is completed in all respects, all ducts

shall be tested for air leaks by visual inspection.

The entire air distribution system shall be balanced using an anemometer. Measured air

quantities at fan discharge and at various outlets shall be identical to or less/excess than 5

percent in excess of those specified and quoted. Branch duct adjustments shall be

permanently marked after air balancing is completed so that these can be restored to their

correct position if disturbed at any time. Complete air balance report shall be submitted for

scrutiny and approval, and four copies of the approved balance report shall be provided with

completion documents.

DUCTS FABRICATED AT SITE AS PER “ BIS” STANDARD:

AIR DISTRIBUTION:

Scope:

The scope of this section comprises supply fabrication installation and testing of all

sheet metal / aluminium ducts, supply installation testing and balancing of all grilles

registers and diffusers, in accordance with these specifications and the general

arrangement shown on the Drawings.

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Duct Materials:

All ducts shall be fabricated from galvanized steel sheets / aluminium sheets of the following

thickness as indicated in Schedule of Quantities.

G S S ALUMINIUM

Rectangular ducts upto 75 cm 24 guage 22 guage

Rectangular ducts 76 to 150 cm

and all round ducts. 22 guage 20 guage

Rectangular ducts 151 to 225 cm 20 guage 18 guage

Rectangular ducts greater than 225 cm 18 guage 16 guage

Sheet metal ducts shall be fabricated out of galvanized steel sheets. Fabrication of ducts shall

be through well conditioned Triplex lock former or multiple lock formers, conforming to

relevant BIS Codes. Sheets used shall be produced by Hot Dip Process and galvanizing shall

be Class VII - Light Coating of zinc, Nominal 180 gm /Sq m surface area.

Samples of sheet from each lot selected at random by Owner‟s site representative shall

be subject to approval & gotten tested for thickness and zinc coating at contractor‟s

expenses.

All ducts shall be fabricated and installed in workmanlike manner, generally conforming to

relevant BIS Codes. Round exposed ducts shall be die-formed for achieving perfect circle

configuration.

a. Ducts so identified on the Drawings shall be acoustically lined and insulated from outside

as described in the section “Insulation” and as indicated in Schedule of Quantities. Duct

dimensions shown on Drawings are overall sheet metal dimensions inclusive of the

acoustic lining where required and indicated in Schedule of Quantities.

b. Ducts shall be straight and smooth on the inside with neatly finished joints. All joints

shall be made air tight.

c. All exposed ducts upto 60 cm width within conditioned spaces shall have slip joints - or

flanged joints. The internal ends of slip joints shall be in the direction of air flow. Ducts

and accessories within ceiling spaces, visible from air conditioned areas shall be provided

with two coats of mat black finish paint.

d. Changes in dimensions and shape of ducts shall be gradual. Air-turns (Vanes) shall

be installed in all bends and duct collars designed to permit the air to make the turn

without appreciable turbulence.

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e. Ducts shall be fabricated as per details shown on Drawings. All ducts shall be

rigid and shall be adequately supported and braced where required with standing

seams, tees, or angles, of ample size to keep the ducts true to shape and to prevent

buckling, vibration or breathing.

f. All sheet metal connection, partitions and plenums required to confine the flow of air

to and through the filters and fans shall be constructed of 18 gage GSS / 16 gauge

aluminium, thoroughly stiffened with 25 mm x 25 mm x 3 mm galvanized steel angle

braces and fitted with all necessary inspection doors as required, to give access to all parts

of the apparatus. Doors shall be not less than 45 cm x 45 cm in size.

g. Plenums shall be panel type and assembled at site. Fixing of galvanized angle flanges on

duct pieces shall be with rivets heads inside i.e. towards G S sheet and riveting shall be

done from outside.

h. Self adhesive rubber lining minimum 5 mm thick instead of felt, shall be used between

duct flanges and between duct and duct supports in all ducting installation.

All ducts shall be installed generally as per tender Drawings, and in strict accordance

with approved shop drawings to be prepared by the Contractor.

a. The Contractor shall provide and neatly erect all sheet metal work as may be required to

carry out the intent of these Specifications and Drawings . The work shall meet with the

approval of Owner‟s site representative in all its parts and details.

b. All necessary allowances and provisions shall be made by the Contractor for beams,

pipes, or other obstructions in the building, whether or not the same are shown on the

Drawings. Where necessary to avoid beams or other structural work, plumbing or

other pipes, and conduits, the ducts shall be transformed, divided or curved to one side

(the required area being maintained) all as per the site requirements.

c. If a duct cannot be run as shown on the Drawings, the Contractor shall install the duct

between the required points by any path available, in accordance with other services

and as per approval of Owner‟s site representative.

d. All duct work shall be independently supported from building construction. All

horizontal ducts shall be rigidly and securely supported, in an approved manner, with

trapeze hangers formed of galvanized steel rods and galvanized steel angle/channel under

ducts at no greater than 2 meter centre. All vertical duct work shall be supported by

structural members on each floor slab. Duct supports may be through galvanised steel

insert plates left in slab at the time of slab casting. Galvanised steel cleat with a hole

for passing the hanger rods shall be welded to the plates. Trapeze hanger formed of

galvanized steel rods and angles/ channels shall be hung through these cleats.

Wherever use of metal insert plates is not feasible, duct support shall be through dash

/anchor fastener driven into the concrete slab by electrically operated gun. Hanger rods

shall then hang through the cleats.

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e. Ducting over furred ceiling shall be supported from the slab above, or from beams, after

obtaining approval of Owner‟s site representative. In no case shall any duct be supported

from false ceiling hangers or be permitted to rest on false ceiling. All metal work in dead

or furred down spaces shall be erected in time to occasion no delay to other

Contractor‟s work in the building.

f. Where ducts pass through brick or masonry openings, it shall be provided with 25 mm

thick TF quality expanded polystyrene around the duct and totally covered with fire

sealant such as fire barrier mortar for complete sealing.

g. All ducts shall be totally free from vibration under all conditions of operation. Whenever

duct work is connected to fans, air handling units or blower coil units that may cause

vibration in the ducts, ducts shall be provided with a flexible connection, located at the

unit discharge. Flexible connections shall be constructed of flame retardant, water

proof, silicon rubber impregnated flexible connection at least 10 cm long securely bonded

and flange bolted on both sides. Sleeve shall be made smooth and the connecting duct

work rigidly held by independent supports on both sides of the flexible connection.

The flexible connection shall be suitable for pressure at the point of installation.

h. Duct shall not rest on false ceiling and shall be in level from bottom. Taper pieces shall

taper from top.

Dampers:

All duct dampers shall be opposed blade louver dampers of robust 16 G GSS construction and

tight fitting. The design, method of handling and control shall be suitable for the location and

service required.

Dampers shall be provided with suitable links levers and quadrants as required for their

proper operation. Control or setting device shall be made robust, easily operable and

accessible through suitable access door in the duct. Every damper shall have an

indicating device clearly showing the damper position at all times.

Dampers shall be placed in ducts at every branch supply or return air duct connection,

whether or not indicated on the Drawings, for the proper volume control and balancing of

the air distribution system.

Fire & Smoke dampers:

All supply and return air ducts at AHU room crossings and at all floor crossings shall be

provided with Motor operated Fire & smoke damper of atleast 90 minutes rating as per

UL555/1995 tested by CBRI. These shall be of multi-leaf type and provided with Spring

Return electrical actuator having its own thermal trip for ambient air temperature outside the

duct and air temperature inside the duct. Actuator shall have Form fit type of mounting, metal

enclosure and guaranteed long life span.

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Fire damper blades and outer frames shall be of 16G galvanized steel construction fitted with

18 gage extended sleeves on both sides. The damper blade shall be pivoted on both ends using

chrome plated spindles in self lubricated bronze bushes. Stop seals shall be provided on top

and bottom of the damper housing made of 16G galvanized sheet steel. For preventing

smoke leakage metallic compression seals will be provided.

The electric actuator shall be energized either upon receiving a signal from smoke detector

installed in AHU room supply air duct / return air duct or temperature sensor. The fire

damper shall also close upon sensing temperature rise in supply air ducts thru the electronic

temperature sensor.

Each damper shall be provided with its own control panel, mounted on the wall and suitable

for 240 VAC supply. This control panel shall be suitable for spring return actuator and shall

have at least the following features:

Potential free contacts for AHU fan ON/ Off and remote alarm indication.

Accept signal from external smoke / fire detection system for tripping the electrical

actuator.

Test and reset facility.

Indicating lights / contacts to indicate the following status

Power Supply On

Alarm

Damper open and close position.

Actuators shall be mounted on the sleeve by the damper supplier in his shop and shall furnish

test certificate for satisfactory operation of each Motor Operated Damper in conjuction with

it‟s control panel. Control panel shall be wall mounted type.

It shall be HVAC Contractor‟s responsibility to co-ordinate with the Fire Alarm System

Contractor for correctly hooking up the Motor Operated Damper to Fire Detection / Fire

Management System. All necessary materials for hooking up shall be supplied and installed

by HVAC Contractor under close co-ordination with the fire protection system contractor.

HVAC Contractor shall demonstrate the testing of all Dampers and its control panel after

necessary hook up with the fire protection / fire management system is carried out by

energising all the smoke detectors with the help of smoke.

HVAC Contractor shall provide Fire retardant cables wherever required for satisfactory

operation and control of the Damper.

HVAC Contractor shall strictly follow the instructions of the Damper Supplier or avail his

services at site before carrying out testing at site.

Fire/smoke damper shall be provided with factory fitted sleeves; however, access doors shall

be provided in the ducts within AHU room in accordance with the manufacturer‟s

recommendations.

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The Contractor shall also furnish to the Owner, the necessary additional spare actuators

and temperature sensor ( a minimum of 5% of the total number installed) at the time of

commissioning of the installation.

Fire Dampers:

Whenever a supply/return duct crosses from one fire zone to another, it shall be provided with

approved fire damper of at least 1½ hour fire rating as per UL555/1995 tested by CBRI. This

shall be curtain type fire damper.

Fire damper blades shall be one piece folded high strength 16 gage galvanised steel

construction. In normal position, these blades shall be gathered and stacked at the frame head

providing maximum air passage and preventing passing air currents from creating noise or

chatter. The blades shall be held in position through fusible link of temp 70o C.

In case of fire, the intrinsic energy of the folded blades shall be utilized to close the opening.

The thrust of the suddenly released tension shall instantly drive the blades down and keep it

down without the use of springs, weights or other devices subject to failure.

Fire damper sleeves and access doors shall be provided within the duct in accordance with the

manufacturer‟s recommendation.

The contractor shall also furnish to the Owner, the necessary additional fusible links (spares),

as recommended by the manufacturer, at the time of commissioning of the installation.

5. INSULATION WORKS:

Accoustic Insulation of AHU Room:

The insulation shall be 48 Kg/cu.m density 50mm thick fibre glass board faces with

RP tissue. The insulation shall be installed using GI channel frame work at 600mm

centers. The insulation shall be fixed with adhesive.

Adhesive shall be applied after covering the entire surface with approved primer. The

insulation shall be covered with 28 G perforated aluminium sheet mechanically fastened

to the frame work. Fasteners shall be provided at 300 mm centers.

Under Deck Insulation (If required):

All air conditioned areas with exposed roof shall be provided with under deck

insulation of 50mm thick expanded polysterene fixed with CPRX & diamond GI netting.

Under deck insulation shall be applied as follows:

a. Clean the surfaces and make it free from dust and loose particles.

b. Apply a coat of bitumen primer to the bare RCC and allow it to dry.

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c. Apply approx 0.5 Kg/cm2 hot bitumen grade 85/25 cold adhesive CPRX to the

underside of each panel for spot sticking. Press the slab in position. Butt the joints

together.

d. Seal the intra joints with self adhesive aluminium tape.

e. In addition to the above, the insulation shall be screw to RCC slab with nylon

rawl plugs and 65mm screw fixed through 75mm x 75mm washers at 600 mm

centers and securely tied with GI binding wire with final layer of chicken wire

mesh.

Piping Insulation:

Seal all joints by butting tightly & exposed ends finished with plaster. Insulation shall be

moulded type manufactured specifically for that purpose & shall have ends at fittings sealed

with glass cloth.

Insulate pipes operating at a temp. below 50 C with 80 mm & above 5

0 C with 50 mm thick

expanded polystyrene TF sections. Insulation shall be applied on chilled water piping as

under :

a. Apply 2 coats of CPRX compound rust & grease free pipe surface.

b. Fix specified insulation tightly with hot bitumen & seal all ends. Applied with

chicken wire mesh and 12mm thick sand cement plaster.

c. Cover with 800 G polythene hessian with 75 mm overlap & stitch with cotton twine. Seal

all joints with bituminous sealing compound.

d. Provide 24 G Aluminium cladding with proper riveting.

Insulate valves, fittings, strainers etc. to same thickness as the connected pipe & applied as

specified above. Insulate valve bonnet, spindle etc. in a manner so as not to damage insulation

when in or while it is serviced.

Duct Acoustic Lining:

Duct Acoustic Lining shall be done by using 32 kg/m3 density resin bonded fiber glass of

thermal conductivity not exceeding 0.034 K Cal/(hr-sq.m-deg C/meter) or 0.23 BTU/(hr.

sq.ft.-deg F)/inch) at 32 deg C (90 deg F) mean temperature. Thickness of the fibre glass for

duct acoustic lining shall be 25 mm or 50 mm as included in schedule of quantities. Ducts so

identified on approved drawings shall be provided with acoustic lining of specified thickness

for a distance of minimum 6 meters as described below:

The inner surface of the duct shall be applied with a thin film of adhesive, and then provided

with 22 gauge GI Channels of 25 mm x thickness of insulation screwed back to back. The

spacing of the GI channels shall be in order to form a square frame of 600 mm x 600 mm.

Resin bonded fibre glass cut into 600 mm x 600 mm sections shall then be placed in the

square frames. The surface shall then be covered with fiberglass tissue and 28 gage perforated

aluminium sheet with minimum 20% perforations, screwed to the GI channels. If called for in

the schedule of quantities, acoustic lining of AHU rooms/plant rooms/DG rooms shall also be

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provided in the manner described above but with 26 gage perforated aluminium sheet with

minimum 20% perforations.

Duct Insulation:

Air conditioning ducts as identified on approved drawings and all chilled water pipes shall be

thermally insulated with closed cell Elastomeric Nitrile Rubber or Cross linked polyethylene

foam. Thermal conductivity of the insulation material shall not exceed 0.036 W/moK at an

average temperature of 23oC. The product shall have temperature range of – 40 deg C to 110

deg C. The insulation material shall be fire rated for Class 1 as per BS 476 Part 7, 1987. The

material shall have approval from the Chief Fire Officer. The external thermal insulation of

specified thickness shall be applied on the cleaned duct surface as described below:

Thermal insulation sheet shall be cut to piece as per the dimensions of the duct with sufficient

allowance to ensure that insulation material is not stretched under any circumstances.

Adhesive shall be applied to the outer surface of duct and inner surface of insulation material.

After adhesive becomes tack dry, insulation material sheet shall be placed in position and

pressed firmly. All longitudinal and transverse joints shall be sealed with 3 mm thick 50 mm

wide nitrile rubber tape.

Protective Coating Over Insulation:

To provide mechanical strength and protection from damage all pipe / duct insulated with

nitrile rubber shall be covered with fibre glass fabric of minimum 7 mil thickness. All

Insulated ducts and pipes exposed to Sun/weather shall be covered with fiberglass fabric for

UV protection. Two coats of epoxy compound shall be applied over the fabric.

Measurement of Insulation:

The measurement for duct and pipe insulation for the project shall be on the basis of centre

line measurements described herewith

a. The measurement of duct Insulation and acoustic lining shall be done in M2. The

perimeter of the insulation material along the centre line shall be measured and multiplied

by the length to calculate the surface area..

b. Pipe Insulation shall be measured in running meters (RM). The length shall be measured

along the axis (centre line) of the installed pipe before applying the insulation. The

lengths such measured shall include all valves and accessories. No payment on account of

valve/fittings,insulation or accessories e.g. cladding etc shall be made.

6. PAINTING:

Scope: Scope of this section comprises painting of various equipment, piping etc. as specified

herein.

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General: Prime and finish paints used for mechanical work shall be of standard brands, ready

mixed, products of qualified manufacturers, of approved make and shade. Deliver paints in

their original contains with seals unbroken bearing manufacturer‟s label specifying trade

name, brand and quality. When requested, submit manufacturer‟s written statement that a

particular brand of paint as recommended and guaranteed by him for surfaces on which it

will be applied. Also when requested, submit analysis of pigment and vehicle used for a

particular brand of paint.

Application: All external equipment shall be painted with anti corrosive paint suitable for the

site. Paint manufactures specific written confirmation is required .This also applies to all

support structures. All steel surfaces shall be wire brushed and then given two coats of primer

and two coats of anti- corrosive paint.

All equipment which does not have factory finish shall be given two coats of paint approved

by the Architects. Where paints are damaged in transit in case of factory finished products,

two coats of the original colour shall be applied. Equipments which are insulated shall be

given two coats of approved colour paint over the surface.

All exposed ducts shall be given two coats of paint as directed by the Architect.

All grilles and diffusers shall be powder coated to match with the interior of the rooms as

directed by the Architect.

All equipment such as air cooled chiller, air handling units, pumps and base frames which are

mounted outdoors shall be given 2 coats of anti-corrosive paint over 2 coats of primer except

where supplied with factory finish.

Piping:

All pipes running inside the building shall be given colour codes as specified herein below:

Description Supply Return

Chilled Water Pipe Dark Blue Light Green

Refrigerant:

a) Suction line }

b) Liquid line } Wild Lilac

c) Hot gas }

All pipes shall have arrow marks to indicate the direction. Arrow shall be painted in white.

All surface to be painted shall be thoroughly cleaned with wire brush and thus remove all rust

and other extraneous substance. Two coats of red oxide primer shall be applied over the

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cleaned surfaces so that all exposed surfaces are covered. After ensuring the dryness of the

prime coat, the main coat of painting shall be applied.

7. ELECTRICAL WORKS

Scope:

The scope of this section comprises of fabrication, supply, erection, testing and

commissioning of electric control panels, wiring and earthing of all air-conditioning

equipment components and accessories, including supply, installation and wiring of remote

control with indicating lamps.

The following exclusions from this contract may be provided by Owner, through other

agencies, as per special conditions of contract.

i. Wiring and earthing of incoming breakers In the air-conditioning plant room control panel.

ii. Wiring and earthing of incoming breakers in the AHU control panels and fan control

panels.

iii. Supply, installation, wiring and earthing of 15 amps three pin socket in vicinity of each fan

coil unit if any and each single phase ventilation fan/split unit.

General:

Work shall be carried out In accordance with the specifications of local rules, Indian

Electricity Act 1910 as amended upto date, and rules issued there under, regulations of the

Fire

Insurance Company and Indian Standard Code of practice No. IS: 732-1963 (revised). Wiring

for items of work not covered by any of the above regulations. Wiring rules in the 13th edition

of the Institution of Electrical Engineers (London) shall apply. Definition of terms shall be as

per the rules of the Institution of Electrical Engineers (London).

Wiring System:

All power wiring shall be carried out with 1100 volt grade PVC Insulated, armoured, overall,

PVC sheathed aluminium conductor cables. Cables shall be sized for starting current and by

applying proper derating factor. All control wiring shall be carried out by using 1100 volts

PVC insulated copper conductor wires in wire ways or in conduit. Minimum size of control

wiring shall be 1.5 sq.mm. PVC insulated wiring shall be 4 sq.mm. 1100 volts grade PVC

insulated aluminium conductor wires In conduit.

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Construction Features:

The control panel shall be metal enclosed sheet steel cubical indoor type, dead front, floor

mounting/wall mounting type. The control panel shall be totally enclosed, completely dust and

vermin proof, Gaskets between all adjacent units and beneath, all covers shall be provided to

render the joints dust proof. Control panels shall be arranged in multitier formations. All doors

and covers shall be lockable. All mild steel sheets used in the construction of control panels

shall be 2mm thick and shall be folded and braced as necessary to provide a rigid support for

all components. Joints of any kind in sheet metal shall be seam welded, all slag grounded off

and welding pits wiped smooth with plumber metal.

All panels and covers shall be property fitted and square with the frame and holes in the panel

correctly positioned. Fixing screws shall enter into holes tapped into an adequate thickness of

metal or provided with hank nuts. Self threading screws shall not be used in the construction

of control panels. Base channel of 75mm x75mm x 5mm thick shall be provided at the bottom.

Minimum clear space of 200mm between the floor of control panel and bottom most units

shall be provided. The control panels shall be of adequate size with a provision of 25% spare

space to accommodate possible future additional switch gear. Knock put holes of appropriate

size and number shall be provided in the control panels in conformity with the location of

incoming and outgoing conduits/cables. All equipment such as meters and indicating lamps,

etc shall be located adjacent to the unit with which it is associated and care shall be taken to

achieve a neat and symmetrical arrangement. Facility shall be provided for termination of

cables from both above and below the control panel. Where cables enter below, cables boxes

shall be fitted at the rear and arranged in tiers to facilitate making connections to the upper and

lower units. Clamps shall be provided to support the weight of the cables. All Incoming and

outgoing feeders shall be brought out to a terminal block of adequate size at suitable location

inside the control panel. All wiring inside the control panel shall be colour coded and labeled

with approved plastic beads for identification. Circuit diagrams showing the arrangement of

circuits shall be pasted on the inside of the panel door and covered with transparent plastic

sheet and all labelling shall be provided on the front face of the panel board.

Circuit Compartments:

Each circuit breaker, contactor and relay shall be housed in a separate compartment and shall

be enclosed on all sides. Sheet steel hinged lockable door shall be duly interlocked with the

breaker in the 'ON' position. Safety interlocks .shall be provided to prevent the breaker or

Contactor from being drawn out when the breaker is in the draw out portion of the panel.

Instruments and indicating lamps shall not be mounted on the panel compartment door. Sheet

steel barriers shall be provided between the tiers in a vertical section.

Instrument Accommodation:

Separate and adequate compartments shall be provided for accommodating instruments,

Indicating lamps, control contactors and control fuses etc. These shall be accessible for testing

and maintenance without any danger of accident contact with live parts of the circuit breaker

and bus bar.

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Bus Bars and Bus Bar Connection:

The bus bar and 1nterconnections shall be of aluminium and of rectangular cross sections

suitable for full load current for phase bus bars and half rated current for neutral bus bars and

shall be extensible on either side. The bars and interconnections shall be insulated with PVC

sleeve tapes and colour coded. All bus bars shall be supported on unbreakable, non-

hygroscopic insulated supports at regular intervals, to withstand the forces arising in case of

short circuit in the system. Bus bars shall be provided in separate chamber of main control

panels, shall be done by clamping, no holes shall be drilled in bus bars. If holes have to be

drilled for making connections, extra cross-section of bus bars shall be provided All bus bar

connections in smaller control panels shall be done by drilling hole and connecting by brass

bolts and nuts. Additional cross section of bus bars shall be provided in small control panels to

cover up the holes drilled in the bus bars. All connections between the bus bar and breaker and

between breaker and contactor, shall be through aluminium strips of proper size to carry full

rated current and shall be insulated with PVC sleeves.

Terminals:

The outgoing terminals and neutral links shall be brought out to a terminal block suitably

located in the control panels. The current transformer for instruments, metering and for

protection shall be mounted on the terminal blocks. Separate cable compartment shall be

provided for incoming and outgoing cables.

Wireways:

A horizontal wire way screwed covers shall be provided at the tip to take in the connecting

control wiring in different vertical sections.

Cable Compartments:

Cable compartments of adequate size shall be provided in the control panels for easy

termination of all incoming and outgoing cables entering from bottom or top adequate and

proper supports shall be provided in cable compartments to support cables, All incoming and

outgoing terminals shall be brought out to terminal blocks in the cable compartment.

Materials:

All materials shall be of the best quality complying with the appropriate Indian Institutions

and British Standard specifications, Materials used shall be subject to the approval of the

Architect/Consultant and sample of the same shall be furnished where required.

Air Circuit Breaker:

The air circuit breakers shall be sheet metal enclosed flush front, draw out type, and shall be

provided with a trip free manual operating mechanical "ON" - "OFF' indications. The circuit

breaker shall be suitable for continuous rating and of capacity as called for. It shall be possible

to switch. "ON &"OFP' the circuit breaker without opening the circuit breaker compartment

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door. The operating handle and the mechanical trip push button shall be at the front of the

breaker and integral with the breaker.

Cradle:

The cradle shall be so designed and constructed as to permit smooth withdrawal and insertion

of the breaker into it. The movement shall be free from jerks, easily operable and shall be on

steel balls/rollers and not on flat surfaces. There shall J four distinct and separate position of

the circuit breaker on the cradle. Service Both main and secondary isolating contacts closed.

Test Main isolating contacts separated and secondary isolating contacts closed. Isolated Both

main and secondary isolating contacts isolated. Maintenance Circuit breaker full outside the

panel ready for maintenance. There shall be provision for locking the breaker in any or all of

the first three positions.

Protective Devices:

C.T. operated IDMT Relays for over voltage and short circuit earth fault Protection shall be

provided for all air circuit breakers. Suitable over and under voltage tripping mechanism for

voltage greater or less than +/- 10% of full rated voltage shall be provided: The release of

circuit breakers shall be magnetic/ thermal type. The thermal type shall be triple pole fully

enclosed and of the ambient temperature compensated type. The breakers and releases shall be

designed to clear the faults with minimum delay to limit the effects of the thermal stress on the

system. The magnetic trips shall be of attracted armature type. The time delay in magnetic

trips shall be obtained by mechanical means which are rugged and non ageing. Direct action

releases shall be fitted with test strips for periodical checking of trip operations.

There shall be not less than 6 NIO 6N/C auxiliary contacts rated 5 amps on the breaker. The

auxiliary contact blocks shall be so located as to be accessible from the front. The auxiliary

contacts in the trip circuit shall close before the main contacts have opened. All other contacts

shall close simultaneously with the main contacts. All current carrying parts shall be silver

plated and suitable arching contacts with proper archutes shall be provided to protect the main

contacts.

Rotary Switches:

Switches upto 60 amps shall be rotary type with compact and robust construction, built up

from one or more stacks with contacts and a positioning mechanism, with stop as required.

The terminals shall be shrouded with insulation to prevent accidental contact with live parts.

Rotary switches shall be backed up with moulded type HRC fuse fittings of appropriate rating.

Selector Switch:

When called for, selector switches of rated capacity shall be provided in control panels, to

give the choice of operating equipment in selective mode.

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Switches:

Switches beyond 60 amps shall be panel mounted double break type and suitable for load

break duty, quick make and break action, manufactured in accordance with IS:4047 - 1967.

Switch contacts shall be silver plated and shall be backed up with HRC fuses of appropriate

rating. The switch handles shall be located at the front. Switches shall be of Larson and

Toubro, Siemens, English Electric make or approved equal.

HRC Fuses:

Fuses shall be high Rupturing capacity and shall be in accordance with IS: 3208 - 1962 and

having rupturing capacity of not less than 20 MVA at 415 volts. The back up fuse rating of

each motor/heater/equipment shat! be so chosen that the fuse does not operate on starting of

motor/heater/equipment. Fuses shall be of the same make as the switches.

Starters:

Each motor shall be provided with a starter of suitable rating. Starter shall be in accordance

with IS: 1822 - 1967. Direct on line starters shall be provided for motors upto 10 HP. Star

Delta Type starters shall be provided for motors 12.5HP to 50 HP capacity. Motors having

capacity more than 50 HP shall be provided with Auto Transformer/ Reduced Voltage/Starter

Rotor. Starters contactors shall have 3 main and 3 auxiliary contacts and shall be air break

type Suitable for making and breaking contact a minimum power factor-of 0.35. For design

consideration of contactors, the starting current of connected motor shall be assumed to be 6

times the full load current of the motor in case of direct-on-line starters and 3 times the full

load current of the motor in case of star delta/reduced Voltage starters. contactor coils shall be

of class "E". Operating coils of contactors shall be suit able for 220/415 +/- 10% volts AC, 50

cycles supply sys tem. The contactor shall drip out when voltage drops to 900Atof the rated

voltage. The housing of the contactors shall be heat resistant and having high impact strength.

Each starter shall have thermal over1oad protection on all three phases. Starters shall be of

Siemens/Larson and Toubro make or approved equal.

Over Load Relays:

Contactors shall be provided with a three element, positive acting ambient temperature

compensated time lagged hand-reset type thermal over load relay with adjustable setting. Hard

reset button shall be flush with the front door for resetting with starter compartment door

closed, Relays shall be directly connected for motors below 35 HP capacity. C.T. operated

relays shall be provided for motors above 35 HP capacity. Heater circuit contactors may not

be provided with overload relays.

Current Transformers:

Current Transformer shall be of accuracy class -I and suitable VA burden for operation for the

connected meters and relays.

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Single Phase Preventers:

Single phase preventers shall be provided as per schedule of quantities and shall be in

Conformity with relevant ISI standards. Single phase preventers shall act when the supply

voltage drops down to 90% of the rated voltage or on failure of one or more phases.

Time Delay Relays:

Time delay relays shall be adjustable type with time delay adjustment from 0-180 seconds and

shall have one at auxiliary contacts for indicating lamp connection.

Indicating Lamp and Metering:

All meters and indicating lamps shall be in accordance with as 37 and as 39. The meters shall

be flush mounted and draw out type. The indicating lamp shall be neon type and of low

burden. Each main panel shall be provided with operated ammeter of suitable ratio with three

Nos. CTs of suitable ratio with three ways and off selector switch, phase indicating lamps, and

other indicating lamps as called for. Each phase indicating lamp shall be backed up with 5

amps fuse and toggle switch. Other indicating lamps shall be backed up with fuses as called

for.

Toggle Switch:

Toggle switches, where called for, shall be in conformity with IS: 3854-1969 and shall be of 5

Amps rating.

Push Button Stations:

Push button station shall be for manual starting and stopping of motors/ equipment as called

for. Red and Green colour push buttons shall be provided for starting and stopping operations.

Start or stop indicating flaps shall be provided for push buttons. Push buttons shall be suitable

for panel mounting and accessible from front without opening door, lock lever shall be

provided for stop push button. One set of normally open and one set of normally closed

contacts shall be provided in push button stations. The push buttons contacts shall be suitable

for 15 Amps current capacity.

Cables:

M.V. cables shall be PVC insulated aluminium conductor and armoured cables conforming to

IS: 694 MV cables shall be armoured and suitable for laying in trenches, duct, and on cable

trays as required. MV cables shall be termite resistant Control cables, and indicating panel

cables shall be termite resistant. PVC insulated copper conductor and armoured cables.

Wires:

1100 volts grade PVC insulated aluminium conductor wires in conduit shall be used.

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Cable Laying:

Cable shall be laid generally in accordance with Indian Standard Code of practice. Cable shall

be laid on 14 gauge perforated M.S. sheet cable trays as approved by the Supervisor.

Easy access to all cables shall be provided to allow cable withdrawal/ replacement in the

future. Where more than one cable is running, proper spacing shall be provided to minimise

the loss in current carrying capacity. Cable shall be suitably supported with porcelain cleats

when run on wall/floor ducts. When buried, they shall be covered with a layer of soft shifted

sand and protected with cement concrete tiles bricks. Special care shall be taken to ensure that

the cables are not damaged at bands. The radius of band of the cables when installed shall not

be less than 12 times the diameter of the cable.

Wire Sizes:

For all single phase13 phase wiring, 1100 volts grade PVC insulated copper conductor wires

shall be used. The equipment inside plant room and AHU room shall be connected to the

control panel by means of insulated aluminium conductor wires of adequate size in exposed

conduits. Final connections to the equipment shall be through wiring enclosed in M.S. flexible

conduits rigidly clamped at both ends. An isolator shall be provided near each

motor/equipment wherever the motor/equipment is separated from the supply panel through a

partition barrier of through ceiling construction. PVC insulated single strand aluminium

conductor wires shall be used inside the control panel for connecting different components

and all the wires inside the control panel shall be neatly dressed and plastic beads shall be

provided at both ends for easy identification. The minimum size of control wiring shall be 1.5

sq.mm. PVC insulated stranged soft drawn copper conductor wires drawn through conduit to

be provided for connecting equipment and control panels. Power wiring shall be of the

following sizes:

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All the Switches, conductors, push buttons stations, indicating lamps shall be distinctly

marked with a small description of the service installed. Circuit wiring diagram of control

panel shall be fixed to the cover of control panel for verification. The following capacity

contactors and overload relays shall be provided for different capacity motors:

74

S.No. Motor Type of Starter Contactor Current Overload relay

GI. Earthing:

The main panel shall be connected to the main earthing system of the building by means of 2

Nos. 25mm x 6mm GI strips. All single phase metal clad switches and control panels shall be

earthed with minimum 3mm diameter GI conductor wire. All 3 phase motors and equipment

shall be earthed with two numbers distinct and independent GI wires/tapes as follows:

75

The earthing connections shall be tapped off from the main earthing of electrical installation.

The overlapping in earthing strips at joints where required shall be minimum 75mm. These

straight joints shall be riveted with and brazed in approved manner. Sweated lugs of adequate

capacity and size shall be used for all termination of wires. Lugs shall be bolted to the

equipment body to be earthed after the metal body is cleaned off paint and/other only

substance and properly tinned.

Rating:

All components, accessories, cables etc specified, shall be operational for rated capacities at

55oC operating temperature.

Drawings:

Shop drawings for control panels and wiring of equipment showing the route of conduit/cable

shall be submitted by the contractor for approval of Architect/Consultant before starting the

fabrication of panel and starting the work. On completion, four sets of completion" As-

installed" drawings incorporating all details like, conduit routes, number of wires in conduit,

location of panels, switches, junction/pull and cable route etc. shall be furnished by the

Contractor.

Painting:

All sheet steelwork shall undergo a process of degreasing, through cleaning, and painting with

a high corrosion resistant primer. All panels shall then be baked in an oven. The finishing

treatment shall be by application of synthetic enamel paint of Siemens Grey, Pheroze or any

other shade approved.

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Testing:

Before commissioning of the equipment, the entire electrical installation shall be tested in

accordance-with Code of practice IS: 732-1963 (Revised) and test report furnished by a

qualified and authorized person. The entire electrical installation shall be got approved by

Electrical Inspector and a certificate from Electrical Inspector shall be submitted. All tests

shall be carried out in the presence of supervisor.

77

8. LIST OF APPROVED MAKES FOR CONVENTIONAL DX SYSTEM

The Contractor shall have to obtain Consultant‟s approval of all makes of equipment and technical

selection prior to ordering and installation. List of makes agreed during Tender negotiations

supercedes all mentioned makes provided they meet specifications and are approved by

Consultants. The contractor has to submit at least two makes for Consultants' approval prior to

placing order.

Sr. No. Equipment / Materials Recommended Makes

1 DX SYSTEM Blue Star / Carrier / ETA / Trane / York

2 Ventilation Fans Kruger / Greenheck / Naico / SystemAir

3 Insulated flexible ducts Century / Diamond / Klimatech

4 Flexible duct connector / Inst. Port Klimatech

5 Pre-Filters & Filters (non-

flammable)

Airtech / Thermodyne / Uccomech / John

Fowler

6 Sheet Metal

Site fabricated duct Zindal/Essar/TISCO/Approved Equivalent/

a) G I Sheets Class VII - 180 gm/sq.m

SMACNA Standards

Sheets – Bhushen / Jindal /National / TISCO

ROLASTAR Ducting System with

ROLAMATE or equivalent System

Components /

b) Factory Fabricated ducts

SMACNA Standards

Radiant/ Rolastar / Zeco / Neutech / Alfa with

OEM standard flanges, fittings, bracings

c) Fire dampers, extended sleeves &

control panels (90 minutes rating)

Damper & Sleeves - painted orange

Caryaire / Cosmos / George Rao & Co. /

Greenheck

d) Fire Damper Actuators

i) Motorised

ii) Fusible Linkage

Belimo – BF 24 - T / Siemens – GGA126.1E

Durolyne

11 Suspension / Support Systems

(Fully galvanised for Ducts, Pipes,

etc.)

a) Anchor Fasteners Hilte / Approved Equiv.

b) Fully threaded rods, nuts, bolts,

pipe clamps etc.

Alpha duct / Diamond / Hitech / Hilte / Perfect

/ Rolastar / Zeco

c) Channels / Angles – lengths with

predrilled holes

Hitech / Hilte / Perfect / Rolastar

d) Duct Flanges Alpha duct / Rolamate / Zeco

12 Insulation

78

a) Fibreglass Foil Faced (Thermal) Owens Corning / UP - Twiga

b) Fibreglass (Acoustic) Owens Corning / UP – Twiga

c) Black Glass Tissue U P Twiga

d) Phenolic Foam Aeroflex / Bakelite Hylam (Phenotherm)

e) Phenolic foam pipe sections Bakelite Hylam

f) Expanded Polystyrene (TF) Beardsell / Cooline / Modifoam

g) Closed cell nitrile elostomeric Class

„O‟

Armaflex /Aeroflex / Eurobetex / K – Flex

h) Adhesives (when dry non-

flammable)

Armaflex 520 / Pidilite SR 998 / Foster IIDL

13 Grilles / Diffusers (Powder coated)

a) Aluminium Air-Product / Air Master /Cosmos/Caryaire

b) Aluminium opposed blade dampers

/ louvres

Air-Product / Air Master /Cosmos/Caryaire

14 Adhesives / Vapour Seals

a) Duct Foster 81-10 / 81-22 / IIDL / Napco / Star Bond

15 Electricals – (IS)

a) Starters L&T / Merlin Gerlin / Siemens

b) Contactors ABB / L&T / Merlin Gerlin / Siemens

c) Switchgear Havells / L&T / Merlin Gerlin

d) Ammeter Auto-Electric / Rishab

e) Voltmeter Auto-Electric / Rishab

f) All panel accessories Technics

g) Capacitors Asian / Datar / L & T / Siemens

h) ELCB‟s Datar / L & T /MDS / Prok

i) MCCBs, MCB‟s ABB / L&T / Merlin Gerlin / MDS

j) SFU‟s ABB / L&T / Merlin Gerlin / Siemens

k) Electric Meters Alacrity / Enercon / Secure

l) Cables

- Power Asian / CCI / Finolex / Gloster / Geoflex /

Polycab

- Control Geoflex / Polycab / Universal

79

LIST OF APPROVED MAKES VARIABLE REFRIGERANT VOLUME SYSTEM

Item Make

VRF Units Daikin/LG/Carrier Midea/ETA O‟general/ Voltas Midea/

Electrical Power Cable CCI / Polycab

Electrical Components Siemens / L & T

G.I.Sheets Nippon Denro/ SAIL / Jindal/ Tata

Fibre Glass UP Twiga / Kimco

Grills / Dampers Dynacraft/ Airproduct / Aircontrol / Airmaster / Ravistar

Fire/ Smoke dampers Cosmos/ Caryaire/ George Rao/ Greenheck

Inline fan/Centrifugal fan Carryaire / Kruger/ ebm nadi/ Comefri/ Nicotra/ Greenheck

Propeller fans Crompton/ GEC/ Greenheck

Isolators Resistoflex/ Easyflex/ BDK/ CORI

Air Filters Thermodyne/ Airtech

Motorised Actuator Belimo/ Joventa/ Siemens/ Honeywell

Sound Attenuators Carryaire/ Dynacraft

Variable Speed Drives Telemecanique Altivar 38/ Danfoss/ Siemens/ ABB

Flexible Ducts Carryaire/ Century Mechanical Services/ Bellwick India

80

9. TECHNICAL DATA SHEET FOR CONVENTIONAL DX SYSTEM

Information to be furnished by Tenderer along with Tender:

Air Cooled Ductable Split Unit

Vendor to Specify

COMPRESSOR

Type / Refrigerant

Make / Model

Quantity

kW(Motor Connected):

kW (Motor Consumed):

Full load current

Refrigerant

Capacity in tons at Navi Mumbai (

Thane/ Kalyan ) conditions

(outdoor ambient temperature)

CONDENSER

81

Type

Air quantity

Coil face area

No. of rows

Bypass factor

Fan motor kW/RPM

Full load current

of fan motor

Static pressure of

Fan

No. of speed for Fan

Copper tube

Thickness and dia.

82

Alu. fins spacing /

guage

EVAPORATOR

Type

Air quantity

Coil face area

No. of rows

Bypass factor

Fan motor kW / RPM

Full load current

of fan motor

Static pressure of

fan

No. of Speed for Fan

83

Copper tube

thickness and dia.

Alu. fins spacing /

guage

OVERALL DIMENSIONAL DETAILS

Condensing unit

Height

Width

Depth

Evaporating unit

Height

SAILENT FEATURES

Type of filter

84

Filter area

Filtration level

Any other details

TOTAL POWER CONSUMPTION OF THE UNIT

Compressor

Condenser Fan

Evaporator Fan

Total

85

10. TECHNICAL DATA SHEET FOR VARIABLE REFRIGERANT VOLUME SYSTEM

Information to be furnished by Tenderer along with Tender:

VRF Units

Vendor to Specify

COMPRESSOR

Type / Refrigerant

Make / Model

Quantity

kW(Motor Connected):

kW (Motor Consumed):

Full load current

Refrigerant

Capacity in tons as per

respective city

(outdoor ambient

temperature)

CONDENSER

86

Type

Air quantity

Coil face area

No. of rows

Bypass factor

Fan motor kW/RPM

Full load current

of fan motor

Static pressure of

Fan

No. of speed for Fan

Copper tube

Thickness and dia.

87

Alu. fins spacing /

guage

EVAPORATOR

Type

Air quantity

Coil face area

No. of rows

Bypass factor

Fan motor kW / RPM

Full load current

of fan motor

Static pressure of

fan

No. of Speed for Fan

88

Copper tube

thickness and dia.

Alu. fins spacing /

guage

OVERALL DIMENSIONAL DETAILS

Condensing unit

Height

Width

Depth

Evaporating unit

Height

SAILENT FEATURES

Type of filter

89

Filter area

Filtration level

Any other details

TOTAL POWER CONSUMPTION OF THE UNIT

Compressor

Condenser Fan

Evaporator Fan

Total

90

Annual Maintenance Contract for HVAC System at Office Complex, Kharghar, Navi

Mumbai

Scope of Work & Terms and Conditions

1. All inclusive (parts, service, taxes & duties) Comprehensive Maintenance Contract for a

period of 5 years after the expiry of defect liability period.

Comprehensive Maintenance Contract will include the following;

Cost of genuine parts, consumables, predictive maintenance, preventive maintenance,

breakdown maintenance, travelling expenses, taxes, duties, octroi, sales tax etc. to keep the

system and its continued performance exactly as per the specifications and in good

conditions as originally handed over. No additional charges will be paid on account of

travelling, transportation of men and material, changes in taxes on the new parts/consumables

replaced under this comprehensive maintenance contract. In case of replacement of parts or

parts removed from the system, such old parts will become the property of the Vendor.

2. Scheduled Predictive Maintenance will include inspection, minor adjustments, visual

checking, lubricating parts, testing to ensure safe operation and safety of equipments etc.

This will be done as a part of predictive maintenance on regular basis for complete HVAC

System etc. The Predictive Maintenance Report should be submitted to BPCL on the same

day.

3. Scheduled Preventive Maintenance shall include systematic examination and testing,

adjustments, routine servicing, cleaning & dust removing will be done as a part of preventive

maintenance on regular basis to ensure safe operation and safety of the complete HVAC

System. The Preventive Maintenance Report of the activities performed should be submitted

to BPCL on the same day.

4. Predictive and Preventive maintenance as mentioned above will be carried out so that there is

a gap of approximately a fifteen days between them.

5. The Breakdown Maintenance will be done any number of times to rectify or repair any

failure of the system, which includes replacement of parts and consumables. Breakdown

maintenance report should be submitted to BPCL on the same day.

6. Repair, replacement or maintenance of the scheduled equipment as required will be done by

Vendor's Engineer /Technician during working hours i.e. 9 am to 5:30 pm on all days. In case

of major breakdown vendor has to work round the clock on normal working days as well as

Saturdays / Sundays / Holidays without extra payment.

7. All necessary manpower will have to be arranged by the vendor to carry out the work as

specified in the Scope of work & Terms and Conditions. The vendor should arrange for

trained manpower as per the job requirement and they should work under the expert guidance

of the technical staff of the vendor.

91

8. Painting of the Pipes is excluded from Vendor's scope of work under this comprehensive

maintenance contract, however the vendor will assist when such work is being carried out by

BPCL or any agency deployed by BPCL.

9. In case BPCL is not satisfied with the Comprehensive Maintenance Contract, the contract

can be terminated by BPCL by giving One month‟s notice, in which case payment on pro-

rata basis will be made to the Vendor.

10. Damage or loss to the scheduled equipment due to riots, strike, risks and loss due to fire,

theft, floods, electrical voltage fluctuation will be excluded from the scope of work.

11. The Comprehensive Maintenance Contract charges will be paid on Quarterly basis.

12. The Insurance cost of personnel deployed by the vendor will have to be borne by the vendor.

BPCL will have no liability, whatsoever concerning the persons deployed by the vendor for

the purpose.

13. The vendor shall keep BPCL indemnified against all losses, damages or liability arising out

of or imposed in the course of employment of person(s) by him.

14. The vendor has to arrange all necessary tools and tackles such as ladders, helmets, safety

belts and other safety equipments etc. required for the work.

(EMPLOYER) (VENDOR)

92

(To be executed on plain paper and applicable for all tenders of value above Rs. 1 crore)

INTEGRITY PACT

Between

Bharat Petroleum Corporation Limited (BPCL) hereinafter referred to as "The Principal",

And

………………………..hereinafter referred to as "The Bidder/Contractor/Supplier"

Preamble

The Principal intends to award, under laid down organization procedures, contract/s for

………………..The Principal values full compliance with all relevant laws and regulations,

and the principles of economic use of resources, and of fairness and transparency in its

relations with its Bidder/s, Contractor/s and Supplier/s.

In order to achieve these goals, the Principal cooperates with the renowned international Non-

Governmental Organisation "Transparency International" (TI). Following TI's national and

international experience, the Principal will appoint an Independent External Monitor who will

monitor the tender process and the execution of the contract for compliance with the principles

mentioned above.

Section 1 - Commitments of the Principal

(1) The Principal commits itself to take all measures necessary to prevent corruption and to

observe the following principles:

a) No employee of the Principal, personally or through family members, will in

connection with the tender, or the execution of the contract, demand, take a promise for

or accept, for himself/herself or third person, any material or immaterial benefit which

he/she is not legally entitled to.

b) The Principal will, during the tender process, treat all Bidders with equity and reason.

The Principal will, in particular, before and during the tender process, provide to all

Bidders the same information and will not provide to any Bidder confidential /

additional information through which the Bidder could obtain an advantage in relation

to the tender process or the contract execution.

c) The Principal will exclude from the process all known prejudiced persons.

(2) If the Principal obtains information on the conduct of any of its employees which is a

criminal offence under the relevant Anti-Corruption Laws of India, or if there be a

substantive suspicion in this regard, the Principal will inform its Vigilance Office and in

addition can initiate disciplinary actions.

93

Section 2 - Commitments of the Bidder / Contractor/Supplier

(1) The Bidder / Contractor/Supplier commits itself to take all measures necessary to prevent

corruption. He commits himself to observe the following principles during his participation

in the tender process and during the contract execution.

a) The Bidder / Contractor/Supplier will not, directly or through any other person or firm,

offer, promise or give to any of the Principal's employees involved in the tender process

or the execution of the contract or to any third person, any material or immaterial

benefit which he/she is not legally entitled to, in order to obtain in exchange, any

advantage of any kind whatsoever during the tender process or during the execution of

the contract.

b) The Bidder / Contractor/Supplier will not enter with other Bidders into any undisclosed

agreement or understanding, whether formal or informal. This applies in particular to

prices, specifications, certifications, subsidiary contracts, submission or non-submission

of bids or any other actions to restrict competitiveness or to introduce cartelization in

the bidding process.

c) The Bidder / Contractor/Supplier will not commit any offence under the relevant Anti-

Corruption Laws of India; further the Bidder / Contractor/Supplier will not use

improperly, for purposes of competition or personal gain, or pass on to others, any

information or document provided by the Principal as part of the business relationship,

regarding plans, technical proposals and business details, including information

contained or transmitted electronically.

d) The Bidder / Contractor/Supplier will, when presenting his bid, disclose any and all

payments he has made, is committed to, or intends to make to agents, brokers or any

other intermediaries in connection with the award of the contract.

(2) The Bidder / Contractor/Supplier will not instigate third persons to commit offences

outlined above or be an accessory to such offences.

Section 3 - Disqualification from tender process and exclusion from future contracts

If the Bidder, before contract award, has committed a transgression through a violation of

Section 2 or in any other form such as to put his reliability or credibility as Bidder into

question, the Principal is entitled to disqualify the Bidder from the tender process or to

terminate the contract, if already signed, for such reason.

(1) If the Bidder/Contractor/Supplier has committed a transgression through a violation of

Section 2 such as to put his reliability or credibility into question, the Principal is also

entitled to exclude the Bidder / Contractor/Supplier from future contract award processes.

The imposition and duration of the exclusion will be determined by the severity of the

transgression. The severity will be determined by the circumstances of the case, in

94

particular the number of transgressions, the position of the transgressors within the

company hierarchy of the Bidder and the amount of the damage. The exclusion will be

imposed for a minimum of 6 months and maximum of 3 years.

(2) A transgression is considered to have occurred if the Principal after due consideration of the

available evidences, concludes that no reasonable doubt is possible.

(3) The Bidder accepts and undertakes to respect and uphold the Principal's absolute right to

resort to and impose such exclusion and further accepts and undertakes not to challenge or

question such exclusion on any ground, including the lack of any hearing before the

decision to resort to such exclusion is taken. This undertaking is given freely and after

obtaining independent legal advice.

(4) If the Bidder / Contractor/Supplier can prove that he has restored / recouped the damage

caused by him and has installed a suitable corruption prevention system, the Principal may

revoke the exclusion prematurely.

Section 4 - Compensation for Damages

(1) If the Principal has disqualified the Bidder from the tender process prior to the award

according to Section 3, the Principal is entitled to demand and recover from the Bidder

liquidated damages equivalent to Earnest Money Deposit/Bid Security.

(2) If the Principal has terminated the contract according to Section 3, or if the Principal is

entitled to terminate the contract according to Section 3, the Principal shall be entitled to

demand and recover from the Contractor/Supplier liquidated damages equivalent to

Security Deposit / Performance Bank Guarantee.

(3) The Bidder agrees and undertakes to pay the said amounts without protest or demur subject

only to condition that if the Bidder / Contractor/Supplier can prove and establish that the

exclusion of the Bidder from the tender process or the termination of the contract after the

contract award has caused no damage or less damage than the amount of the liquidated

damages, the Bidder / Contractor/Supplier shall compensate the Principal only to the extent

of the damage in the amount proved.

Section 5 - Previous Transgression

(1) The Bidder declares that no previous transgression occurred in the last 3 years with any

other Company in any country conforming to the TI approach or with any other Public

Sector Enterprise in India that could justify his exclusion from the tender process.

(2) If the Bidder makes incorrect statement on this subject, he can be disqualified from the

tender process or the contract, if already awarded, can be terminated for such reason.

95

Section 6 - Equal treatment of all Bidders / Contractors /Suppliers/ Subcontractors

(1) The Bidder/Contractor/Supplier undertakes to demand from all subcontractors a

commitment in conformity with this Integrity Pact, and to submit it to the Principal before

contract signing.

(2) The Principal will enter into agreements with identical conditions as this one with all

Bidders, Contractors/Suppliers and Subcontractors.

(3) The Principal will disqualify from the tender process all Bidders who do not sign this Pact

or violate its provisions.

Section 7 – Punitive Action against violating Bidders / Contractors /

Suppliers/Subcontractors

If the Principal obtains knowledge of conduct of a Bidder, Contractor, Supplier or

Subcontractor, or of an employee or a representative or an associate of a Bidder, Contractor,

Supplier or Subcontractor which constitutes corruption, or if the Principal has substantive

suspicion in this regard, the Principal will inform the Vigilance Office.

Section 8 - Independent External Monitors

(1) The Principal has appointed competent and credible Independent External Monitors for this

Pact. The task of the Monitor is to review independently and objectively, whether and to

what extent the parties comply with the obligations under this agreement.

(2) The Monitor is not subject to instructions by the representatives of the parties and performs

his functions neutrally and independently. He reports to the Chairperson of the Board of the

Principal.

(3) The Bidder/Contractor/Supplier accepts that the Monitor has the right to access without

restriction to all Project documentation of the Principal including that provided by the

Bidder/Contractor/Supplier. The Bidder/Contractor/Supplier will also grant the Monitor,

upon his request and demonstration of a valid interest, unrestricted and unconditional

access to this project documentation. The same is applicable to Subcontractors. The

Monitor is under contractual obligation to treat the information and documents of the

Bidder/Contractor/Supplier/ Subcontractor with confidentially.

(4) The Principal will provide to the Monitor sufficient information about all meetings among

the parties related to the Project provided such meetings could have an impact on the

contractual relations between the Principal and the Bidder/Contractor/Supplier. The parties

offer to the Monitor the option to participate in such meetings.

(5) As soon as the Monitor notices, or believes to notice, a violation of this agreement, he will

so inform the Management of the Principal and request the Management to discontinue or

heal the violation, or to take other relevant action. The Monitor can in this regard submit

96

non-binding recommendation. Beyond this, the Monitor has no right to demand from the

parties that they act in a specific manner, refrain from action or tolerate action. However,

the Independent External Monitor shall give an opportunity to the

Bidder/Contractor/Supplier to present its case before making its recommendations to the

Principal.

(6) The Monitor will submit a written report to the Chairperson of the Board of the Principal

within 8 to 10 weeks from the date of reference or intimation to him by the 'Principal' and,

should the occasion arise, submit proposals for correcting problematic situations.

(7) If the Monitor has reported to the Chairperson of the Board a substantiated suspicion of an

offence under relevant Anti-Corruption Laws of India, and the Chairperson has not, within

reasonable time, taken visible action to proceed against such offence or reported it to the

Vigilance Office, the Monitor may also transmit this information directly to the Central

Vigilance Commissioner, Government of India.

(8) The word 'Monitor' would include both singular and plural.

Section 9 - Pact Duration

This Pact begins when both parties have legally signed it. It expires for the Contractor/Supplier

12 months after the last payment under the respective contract, and for all other Bidders 6

months after the contract has been awarded.

If any claim is made / lodged during this time, the same shall be binding and continue to be

valid despite the lapse of this pact as specified above, unless it is discharged / determined by

Chairperson of the Principal.

Section 10 - Other provisions

(1) This agreement is subject to Indian Law. Place of performance and jurisdiction is the

Registered Office of the Principal, i.e. Mumbai. The Arbitration clause provided in the

main tender document / contract shall not be applicable for any issue / dispute arising under

Integrity Pact.

(2) Changes and supplements as well as termination notices need to be made in writing. Side

agreements have not been made.

(3) If the Bidder/Contractor/Supplier is a partnership or a consortium, this agreement must be

signed by all partners or consortium members.

(4) Should one or several provisions of this agreement turn out to be invalid, the remainder of

this agreement remains valid. In this case, the parties will strive to come to an agreement to

their original intentions.

………………… …… ……………………………

For the Principal For the Bidder/Contractor/ Supplier

Place ……………… Witness 1 : ………………

(Signature/Name/Address)

Date ………………. Witness 2 : ………………

(Signature/Name/Address

97

GUARANTEE BOND FOR EARNEST MONEY DEPOSIT

(To be executed on Non-Judicial stamp paper of Rs.100/-)

In consideration of Bharat Petroleum Corporation Ltd. (hereinafter called "the Corporation")

having agreed to exempt M/s.___________________________________hereinafter called

"the said Vendor(s)" from payment of Earnest Money against Tender No._________________

Dated_____________issued by Corporation on production of a Bank Guarantee for

Rs.____________(Rupees__________________________________________only) We

______________________ Bank do hereby undertake to indemnify and keep indemnified the

Corporation to the extent of Rs.____________against any loss or damage caused to or suffered

by the Corporation by reason of any breach by the said Vendor(s) of any of the terms and

conditions contained in the Tender Notice/Documents.

We,____________________________Bank further agree that the guarantee herein contained

shall remain in full force and effect during the period that would be taken for the finalisation of

the said Tender and that it shall continue to be enforceable till the Tender is finally decided and

order placed on the successful Tenderer.

We,________________________Bank Ltd. further agree that the Corporation shall be the sole

judge of and as to whether the said Vendor has committed any breach or breaches of any of the

terms and conditions of the tender/or the contract and the extent of loss, damage, costs, charges

and expenses caused to or suffered by or that may be caused to or suffered by the Corporation

on account thereof to the extent of the earnest money required to be deposited by the Vendor in

respect of the said tender or the contract and the decision of the Corporation that the said

Vendor has committed such breach or breaches and as to the amount or amounts of loss,

damage, costs, charges and expenses caused to or suffered by or that may be caused to or

suffered by the Corporation from time to time shall be final and binding on us.

Notwithstanding anything contained in forgoing our liability under this guarantee is restricted

to Rs.___________The Guarantee shall remain in force till _____________________. Unless

a claim under this Guarantee is made within six months from the date herein before mentioned

the Corporation shall have no rights under these presents. We_____________________Bank

lastly undertake not to revoke this Guarantee during the Currency except with the previous

consent of the Corporation in writing.

Dated the___________________day of________________________2013.

For___________________Bank.

98

PERFORMANCE BANK GUARANTEE

(On Non-judicial paper for appropriate value)

To,

Bharat Petroleum Corporation Limited

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

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

Dear Sir,

In consideration of the Bharat Petroleum Corporation Limited, (hereinafter called the

Company which expression shall include its successors and assigns) having awarded to M/s.

(Name) . (Constitution).. (address) .(hereinafter referred to as The vendor which expression

shall wherever the subject or context so permits include its successors and assigns) a supply

contract in terms interalia, of the Companys Purchase order No.. dated ….and the General

and Special Purchase Conditions of the Company and upon the condition of vendors

furnishing security for the performance of the vendors obligations and/or discharge of the

vendors liability under and / or in connection with the said supply contract upto a sum of

Rs.(in figures)..Rs(in words)only amounting to 10% (ten percent)of the total contract value.

We, (Name)..(constitution) (hereinafter called the Bank which expression shall include its

successors and assigns) hereby jointly and severally undertake and guarantee to pay to the

Company in -----(Currency) forthwith on demand in writing and without protest or demur of

any and all moneys any wise payable by the Vendor to the Company under in respect of or in

connection with the said supply contract inclusive of all the Companys losses and expenses

and other moneys anywise payable in respect to the above as specified in any notice of

demand made by the Company to the Bank with reference to this Guarantee upto an

aggregate limit of Rs(in figures)Rs(in words).only.

AND the Bank hereby agrees with the Company that

i. This Guarantee/undertaking shall be a continuing guarantee and shall remain valid and

irrevocable for all claims of the Company and liabilities of the vendor arising upto and until

midnight of ..This date shall be 6 months from the last date of guarantee period.

ii This Guarantee / Undertaking shall be in addition to any other guarantee or security of

whatsoever that the Company may now or at any time otherwise have in relation to the

vendors obligation/liabilities under and /or connection with the said supply contract, and the

Company shall have full authority to take recourse to or reinforce this security in preference

to the other security(ies) at its sole discretion, and no failure on the part of the Company in

enforcing or requiring enforcement of any other security shall have the effect of releasing the

Bank from its liability hereunder.

iii. The Company shall be at liability without reference to the Bank and without effecting the full

liability of the Bank hereunder to take any other security in respect of the vendors obligations

and /or liabilities under or in connection with the said supply contract and to vary the terms

99

vis a vis the vendor of the said supply contract or to grant time and / or indulgence to the

vendor or to reduce or to increase or otherwise vary the prices of the total contract value or to

release or to forbear from enforcement all or any of the obligations of the vendor under the

said supply contract and / or the remedies of the Company under any other security(ies) now

or hereafter held by the Company and no such dealing(s), variation(s), reduction(s),

increase(s) or the indulgence(s) or arrangement(s) with the vendor or release or forbearance

whatsoever shall have the effect of releasing the Bank from its full liability to the Company

hereunder or of prejudicing rights of the Company against the Bank.

iv. This Guarantee /Undertaking shall not be determined by the liquidation or winding up or

dissolution or change of constitution or insolvency of the vendor but shall in all respects and

for all purposes be binding and operative until payment of all moneys payable to the

Company in terms hereof.

v. The Bank hereby waives all rights at any time inconsistent with the terms of the Guarantee

/Undertaking and the obligations of the Bank in terms hereof shall not be anywise affected or

suspended by reason of any dispute or disputes having been raised by the vendor (whether or

not pending before any Arbitrator, officer, Tribunal or Court) or any denial of liability by the

vendor or any other order of communication whatsoever by the vendor stopping or

preventing or purporting to stop or prevent any payment by the Bank to the Company in

terms hereof.

vi. The amount stated in any notice of demand addressed by the Company to the Guarantor as

liable to be paid to the Company by the vendor or as suffered or incurred by the Company on

account of any losses or damages of costs, charges and or expenses shall as between the

Bank and the Company be conclusive of the amount so liable to be paid to the Company or

suffered or incurred by the Company, as the case may be and payable by the Guarantor to

Company in terms hereof.

Yours faithfully,

(Signature)

NAME & DESIGNATION

NAME OF THE BANK

100

LIST OF DRAWINGS

Sl. No. Description Drawing No.

1. HVAC Layout for Ground Floor GFC/BPCL/KG/MU/685-

03/INT/HVAC/DT/001/R0 (HVAC/01)

2. HVAC Layout for First Floor GFC/BPCL/KG/MU/685-

03/INT/HVAC/DT/002/R0 (HVAC/02)

3. HVAC Layout for Second Floor GFC/BPCL/KG/MU/685-

03/INT/HVAC/DT/003/R0 (HVAC/03)

4. HVAC Layout for Third Floor GFC/BPCL/KG/MU/685-

03/INT/HVAC/DT/004/R0 (HVAC/04)

5. HVAC Layout for Fourth Floor GFC/BPCL/KG/MU/685-

03/INT/HVAC/DT/005/R0 (HVAC/05)

6. HVAC Layout for Fifth Floor GFC/BPCL/KG/MU/685-

03/INT/HVAC/DT/006/R0 (HVAC/06)

7. HVAC Layout for Sixth Floor GFC/BPCL/KG/MU/685-

03/INT/HVAC/DT/007/R0 (HVAC/07)

8. HVAC Layout for Seventh Floor GFC/BPCL/KG/MU/685-

03/INT/HVAC/DT/008/R0 (HVAC/08)

9. HVAC Layout for Eighth Floor GFC/BPCL/KG/MU/685-

03/INT/HVAC/DT/009/R0 (HVAC/09)

10. HVAC Layout for Ninth Floor GFC/BPCL/KG/MU/685-

03/INT/HVAC/DT/010/R0 (HVAC/10)

11. HVAC VRF based SCHEMATIC

Layout

GFC/BPCL/KG/MU/685-

03/INT/HVAC/DT/011/R0 (HVAC/11)

12. HVAC VRF based SCHEMATIC

Layout

GFC/BPCL/KG/MU/685-

03/INT/HVAC/DT/012/R0 (HVAC/12)