college of engineering, · 2019-05-17 · 14 boq [ attached separately ] 48 54 . hvac for...

HVAC for Auditorium and Seminar - ACB

SIGNATURE FOR BIDDER FOR COEP 1

TENDER FOR HVAC

IN AUDITORIUM AND SEMINAR HALL ACB

COLLEGE OF ENGINEERING,

[An Autonomous Institute of Govt. of Maharashtra]

PUNE 4110045

Ref: COEP/BWC/ACB/ HVAC / 96-A dated 16/08/2011



CONTENTS

Section Particulars Page

from

Page

to

Part I

1 Tender Notice 3 3

2 General terms & conditions of the contract 4 16

3 Condition of Contract 17 18

4 Design Data 19 19

5 Technical Specification 20 21

6 General requirement 22 37

7 Codes & Standards 38 38

8 Modes of measurement 39 40

9 Quality Assurance 41 41

10 Notes for Handing over 42 42

11 Submission of tender 43 43

12 Selection Process 44 46

Part II

13 Bid offer 47 47

14 BOQ [ attached Separately ] 48 54



SECTION - 1

TENDER NOTICE

COLLEGE OF ENGINEERING, PUNE [An Autonomous Institute of Govt. of Maharashtra]

Shivajinagar, Pune-411 005 Ph: 020-25507000/06/ 043, Fax: 020-25507299

email: [email protected]

Title: Interior and Allied Works- Academic Complex at COEP.

Ref: COEP/BWC/ACB/Interior and Allied Works/2011 dated 16/08/2011

College of Engineering, Pune (COEP) invites tenders for following Interior and Allied

works in Academic Complex on item rate basis from reputed qualified contractors.

The interested bidders can apply to the director COEP to purchase blank tender forms

along with necessary cost from 16th

August 2011 to 29th

August 2011. The pre bid

conference will be held on 24th

August 2011 @ 11.00 hrs. in the conference hall,

adjacent to director’s office. The last date of submission is 30th

August 2011 upto

12.00 noon as stated in the bid documents. The right to accept or reject any or all

offers is reserved by the authority.

Sr. No. Name of Work EMD (Rs)

Cost of Bid

Document (Rs)

[Not

Refundable}

Period of

Completion in

Days

94 Acoustic and Interior

works in Auditorium 50,000=00 5,000=00 90

95 Providing and Fixing

Chairs in Auditorium 25,000=00 2,500=00 90

96

Audio Visual System for

Auditorium, Seminar

and Class room

50,000=00 5000=00 90

96-A

HVAC system for

Auditorium and

Seminar

25,000=00 2500=00 90

Tenders are available in BWC office during working hours 10.30 am to 5.30 pm [

Mr. More : 09881832607 ]

The cost of blank tender forms shall be paid by demand draft drawn in favour of

“Director, College of Engineering, Pune”. The bidders can download the tender

documents from our website www.coep.org.in and in such cases, while submitting

the bid document, the cost of blank tender in the form of DD as described above shall

be submitted.

Date : 16/08/2011

http://www.coep.org.in/



Director

College of Engineering Pune.

SECTION - 2

GENERAL TERMS & CONDITIONS OF THE CONTRACT

2.1. DEFINITIONS

In construing this contract as defined in “e” below following words shall

have the meaning herein assigned to them, except where the subject or

contract otherwise requires:

OWNERS / CLIENTS: COLLEGE OF ENGINEERING PUNE

Contact:

Secretary BWC,

College of Engineering, Pune

Ph : 020-25507043 , email : [email protected]

And shall include his/ their legal representatives, assign(s) or successor(s).

b) VENDOR: Shall mean successful Tenderer :

(To be filled up after award of contract) -------------------------------------------------------------------

And shall include his/ their legal representative/s, assign(s) or successor(s)

c) Project Consultant shall mean :

CHRISTOPHER CHARLSE BENINGER ARCHITECTS PVT. LTD.

(Architects and Urban Planners) 'INDIA HOUSE', 53 Sopan Bagh,

Balewadi, Pune 411 0045 Maharashtra, India.

Tel: +91 20 65102331/32

E-mail: [email protected]

And shall include his/their legal representative/s, assign/s or successor/s.

d)HVAC Consultants shall mean :

Infinity HVAC systems Survey No 5/3, Flat No. 1

Lavira Park, Jalsampati Bhavan Lane, Near Rahul Nagar,Kothrud, Pune -04.

mailto:[email protected]



Ph. No. : +91 20 25443199 [email protected]

And shall include his/ their legal representative/s, assign/s or successor/s.

e) SITE: Shall mean place of work under this contract.

f) CONTRACT: Shall mean invitation to tender, other sections,

under this tender document including (not limited to) Terms / Conditions, Drawings, Specifications, Price Schedules attached hereto

and duly signed by “Owners” and “Contractor” including such deviations to Tender Terms

signed and accepted by both “Owners” and Contractor” as per the contract agreement.

g) SPECIFICATION: Shall mean specifications, drawings, general conditions of Contract, special conditions of

contract, any other terms specifying Owner‟s requirements pertaining to the Contract, Technical / Commercial / Others annexed to the

Contract.

h) “PLANT” Shall mean and include plant, equipment and “EQUIPMENT” material to be “supplied and erected” or “STORES” WORK “erected only” and work to be done by

OR WORKS” the Contractor under the Contract.

i) TESTS: Shall mean all pre-commissioning tests, tests

on completion, tests at Manufacture‟s works as

per this contract and as per relevant IS SPECIFICATIONS.

j) CONTRACT VALUE: Total value of the scope of work under the

contract.

The plurals will imply singular and vice-versa.

2.2. SCOPE OF WORK:

Contractor‟s scope shall include work as per Tender documents along with implied minor works mentioned specifically or not. This

scope shall be generally as per Contract Agreement and shall include such additional jobs as may be required to be carried out for

the completion of the HVAC” facilities in the opinion of the Owners / Consultant. Any additional major jobs / items required to be carried out shall be evaluated on the basis of similar item-rates under the

contract or where such similar items do not exist the contractor



shall submit cost analysis to arrive at the item-rates for the approval of Owners / Consultant. 15 % over-heads and profit shall

be allowed to the Contractor on cost accepted by Owners / Consultant. Vendor shall submit cost analysis at any/all times

unconditionally.

2.3. ADDITIONAL WORK:

Any additional work if required / ordered by the Owners /

Consultant shall be taken up and completed within the agreed time schedule. The item-rates for such work shall be submitted for the approval of Owners / Consultants, but the work shall start

immediately upon receiving instructions by the Contractor from the Owners / Consultant.

2.4 PRE-REQUISITE SUBMITTALS ALONGWITH TENDER

Every tenderer shall submit along with his tender a list of similar works carried out by him, giving value, during last 3 (three) years.

2.5. EQUIPMENT / WORKMANSHIP:

The equipment to be supplied under this contract shall be strictly as

per specifications of the contract and relevant IS specifications. In the event of any ambiguity / dispute, the Owner‟s / Consultant‟s

verdict shall be final and binding on the “Contractor”.

2.6. ERECTION, TESTING, COMMISSIONING AND MAINTAINING

THE EQUIPMENT DURING THE MAINTENANCE PERIOD (DEFECTS

LIABILITY PERIOD)

Item rate for “erection” shall include unloading at site stores by

Contractor using crane as and if instructed by Owners / Consultant, shifting to place of work, erection, testing, commissioning, handing over to Owners and attending the equipment during Defects Liability

period ( If the equipment falls under vendor‟s scope of “Supply and Erection” (or only erection). The erection shall be as per contract

specifications and relevant IS Specifications.

2.7. ORGANISATION CHART:

The vendor shall submit “Organization Chart” for the Technical and

other staff he proposes to depute at site during the execution of Contract. The Chart should also show specific responsibility &



decision making authority for “on site” decisions. The Chart should include name(s) of the person(s) responsible for the Safety

compliance at the site

2.8 DEFECTS / MODIFICATIONS:

If in the opinion of Owners / Consultant / Statutory authorities the work carried out by the vendor is defective, the Contractor shall

without any additional cost to Owners, rectify such defects or carry out such modifications to make the work “complete” in all respects and acceptable to the Owners / Consultant / statutory authorities. If any

test readings are not satisfactory, the Contractor shall carry out required modifications (which may include even replacement of certain

item / s) without any additional cost of whatsoever nature to Owners. The work shall be guaranteed to yield the specified rating(s) design conditions within tolerance as per relevant IS Specs. Any equipment,

which in the opinion of the Owners / Consultant does not meet specified requirements for which it is installed, may be rejected and

Contractor shall replace it free of cost and within such time as may be reasonably allowed to him.

2.9. COMPLETION CERTIFICATE:

On completion of Erection the vendor shall inform the Consultant for

witnessing the site tests. Required tools / instruments for such tests shall be arranged by the Contractor. The equipment shall be commissioned only after obtaining written acceptance of pre-

commissioning tests (which shall be carried out as per requirement of Owners / Consultant). At this stage the Consultant shall issue

“Completion Certificate” to the Contractor. The Owners / Consultant reserve the right to issue the completion certificate in parts. If due to Contractor‟s inefficiency the completion is delayed, the Owners reserve

their right to put the equipment to use. The “Maintenance Period” OR defects liability period shall start from the date of completion to the

satisfaction of the Owners / Consultant‟s as mentioned in the completion certificate. Before issue of completion certificate, contractor

shall supply “AS BUILT DRAWINGS” and “OPERATION” & “MAINTENANCE MANUALS” as per relevant clause.

2.10 DEFETCS LIABILITY PERIOD AND THE FINAL ACCEPTANCE

CERTIFICATE:

Defects Liability Period shall commence on the date of completion mentioned in

the completion certificate and shall last for two years. On completion of the

“Defects Liability Period” the Owners / Consultant shall carry out final inspection

of work and issue / list of defects / snags. The Contractor shall attend to and

rectify these snags / defects immediately. During the Defects Liability Period, if

there is any defect in the work carried out by the Contractor the Owners /

Consultant shall inform the Contractor who would attend to and rectify such

defects immediately. At the end of the Defects Liability Period and after



rectification of all snags, the Consultant shall issue “Final Acceptance

Certificate”. The retention amount or Performance Bank Guarantee shall be

released by the Owners within 15 days (or earlier) of presentation of “Final

Acceptance Certificate” by the Contractor. If after defect rectification, the item is

not acceptable to Owners / Consultant, the Contractor shall replace the item by

right quality item, free of cost. The nature and quantum of defect, it’s reporting to

the Contractor, contractor’s response thereof shall be recorded in writing by the

“Owner” and acknowledged by the Contractor / Consultant as the case may be.

2.11.DELIVERY / COMPLETION SCHEDULE:

The Contractor shall strictly adhere to agreed Delivery / Completion

Schedule as per terms and conditions of contract.(or revised schedule agreed to by Owners.)

2.12.PENALTY:

The penalty shall be 0.5 % (Half percent) of total contract value per week or part thereof subject to a maximum of 5 % of the total contract

value for the delay beyond the agreed completion dates for various stages / phases. If during the course of the Contract it is clear to the Owners / Consultant that the Project is delayed by more than 2 weeks

due to reasons totally attributable to the Contractor, the Owner shall have right to terminate the Contract or get part or whole of the

remaining work executed by some other agency at the vendor‟s risk, cost and responsibility besides applying the Penalty for delay caused to

the Project.

2.13.SECURITY DEPOSIT:

The vendor shall furnish Security Deposit of 5 % of Contract value in

the form of Demand Draft (or irrecoverable and unconditional Bank Guarantee in the format issued by the Owner). The Bank Guarantee

shall be valid for the defect liability period (or for such extended period agreed mutually by Owners and the Contractor). The Bank Guarantee shall be from Nationalized Bank and shall be submitted within 07 Days

of award of Contract (LOI). (No interest will be paid on the Security deposit or interest free deposit)

2.14.TERMS OF PAYMENT [a] 60% against delivery of material at site on pro-rata basis after

inspection and Certification by the consultant. [b] 30% against installation on pro-rata basis and certification by the

consultant. [c] 5% after testing and successful commissioning (including handing over.)

[d] 5% retention amount from each bill.

The contractor shall submit his running bills for payment concerning work executed or materials delivered on the site, which will be certified jointly



by the Owner & the Consultant for payment within 30 days (15 days for consultant & 15 days for owner) from the date of submission of the bill.

The billing shall be as per actual quantity measured.

The Consultant will not certify to any application for payment to any contractor if there are: - a) Defective items of work still uncorrected.

b) Any claims or liens filed against the contractor for executed failure to pay for materials, labour or sub-contract amounts due, or reasonable

evidence that indicates probable filing of such claims. c) Damage to another contractors. d) A reasonable doubts that the contract can be completed for the balance

then unpaid.

2.15 ACCEPTED RISKS (FORCE MAJEURE CLAUSE)

A. Force Majeure ( FM) – as referred to in the Contract, means all causes

or events beyond the control of either Party which cannot be foreseen or, if foreseeable, not unavoidable, occurring after signing of the

Contract, preventing, delaying or hindering the performance of the obligations under it. The following causes or events shall be considered as FM if they impede the performance of the Parties:

B. War, blockade, riots, civil commotions, insurrection, mobilization, strike, lockouts, revolution, fire, transport accidents, confiscation, embargo,

plaque or other epidemic, flood, earthquake, obstruction of navigation by ice at ports of shipment, act of government, act of God, others.

C. That Party, claiming that FM has occurred, must advise the other Party

thereof without delay by e-mail and by registered airmail, and / or courier mail to the address, mentioned in this contract under article

within ten (10) days of the first occurrence of FM, full particulars thereof including its date of first occurrence and of the cause or event given to it. A statement by a Chamber of Commerce, confirming the

accuracy of the particulars contained in such notification shall be attached thereto without notification as stated above, the events and

causes claimed by the other Party as FM will not be accepted by the other Party. Notwithstanding anything to the contrary, contained in the

Contract if a case of FM delays or hinders the execution of the Contract by either Party, such Party shall not be liable in any respect to the other Party for delays or hindrance. Problems arising out of force

majeure shall adequately be settled by negotiations so that the execution of this Contract may reasonably continue. Should, however,

the delays due to force majeure continue longer than three (3) months in the country of either Party, the other Party hereto shall be entitled to terminate this Contract, provided a reasonable adaptation of its

rights and obligations to the new circumstances in a form desired by it could not be reached during the above-mentioned period of three (3)

months. The parties hereto shall remain bound by this Contract.

D. Notwithstanding anything to the contrary. Contained in the Contract if a case of FM delays or hinders the execution of the Contract by either



Party, such Party shall not be liable in any respect to the other Party for or hindrance. In such case, the Parties shall mutually agree on

terms and condition allowing the execution of the Contract in accordance with the spirit of the Contract. Should no agreement be

reached, also regarding the costs incurred, the case will be referred to and decided by arbitration. FM is not applicable in connection to supplies already affected and services already rendered.

E. The above mentioned FORCE MAJEURE EVENTS shall not include constraints which could prudently be foreseen like shortage of power,

non-availability of raw materials, difficulties in making transport arrangements etc.

2.16 MAKES OF THE EQUIPMENTS:

The vendor shall agree to Makes specified in tender or specify Makes of the equipment offered. These shall be reputed makes and shall be

subject to the approval of Owners / Consultants.

2.16 A) MANUFACTURER’S (GA) DRAWINGS / CATALOGUES:

These shall be submitted in 3 sets, within 3 weeks of date of award

of the order OR letter of Intent. (Note: all the BOQ items should be approved before installation & it should be submitted in one set

only for approval)

2.16 B) POWERS AND WATER:

The vendor shall have to make arrangement of power & water for the proposed work and the rates quoted shall be inclusive of

same. However, the Clients shall assist in supply of power and water on chargeable basis (through metering device installed by contractor), but no Claim on account of power failure will be

entertained. It shall be ensured by the contractor that work shall proceeds uninterrupted in the event of power failure as such.

No Claim for delay on account of Non-availability of power & water will be entertained. Contractor has to make necessary

arrangement for Storage of water at site as per the requirement.

Power and water shall be supplied at one place from where it will be distributed by the Contractor at his cost as required.

2.17 CARE OF WORKS:

From commencement to the completion of works the Contractor shall take full responsibility of all works related to this contract and

those of other agencies, including temporary works. In case of any damage, loss or injury to the works (either of Contractor‟s or other agencies) except for causes defined under Accepted Risks Clause,

the Contractor shall repair / make goods or replace such damaged



items at his own cost and make the same good and acceptable. The Contractor is also liable for any damages to the works (his or

other‟s) occasioned by him in the course of any operations carried out by him for the purpose of carrying out his obligations. Any delay

occurring on account of any of the above shall be to the account of Contractor. Contractor may employ watchman for the safe custody of materials. Security and Safety of all works related to this

contract is Contractor‟s sole responsibility. This is subject to Accepted Risks under clause 17 above.

2.18.COMPREHENSIVE INSURANCE OF WORKS / LABOURS/

EMPLOYEES/OTHERS

The Contractor must take comprehensive insurance all risk policy to cover his works, labours, Clients & Consultants along with their

representatives, visitors, etc. against all risks and include the cost of his policy in the tender price.

2.19. DAMAGES TO PERSONS / PROPERTY & THIRD PARTY

INSURANCE:

The Contractor shall take every practical care and precaution not to

damage or injure any adjoining or other properties (including the property of the owners) or any persons. He shall indemnify and keep indemnified the owners against all claims for injuries or damages to

any person or any such property whatsoever, which may arise out of or in consequence of construction and maintenance of the works and

against all claims, demands, proceedings, damages costs, charges and expenses whatsoever in respect of or in relation thereto. The Contractor should also cover above by means of third party insurance

in the joint name of the Contractor and Owners. Third party insurance shall be for minimum amount of Rs.1, 00,000/- per occurrence. All the

charges / costs for the same would be borne by the Contractor.

2.20 ACCIDENT OR INJURY TO STAFF / WORKMEN:

The Owners shall not be liable for or in respect or in consequence of

any accident or injury to any workmen or other person in the employment of the Contractor or his Sub-Contractor and the

Contractor shall indemnify and keep indemnified the Owners against all such damages, compensation and against all such claims, demands, proceedings, cost charges and expenses

whatsoever in respect thereof or in relation thereto.

2.22.INSURANCE AGAINST ACCIDENT, FIRE ETC. TO WORKMEN:

The Contractor shall insure against such liability with an insurer (approved by the Owners) and shall continue such insurance during whole of the time such person/s are employed by him or his Sub-



Contractor for the contract. The Insurance Policy with up-to-date premium payments receipt shall be produced for inspection when

asked by the Owners. After the Contract is awarded contractor shall take out “Workmen‟s compensation” and “Contractor‟s All Risk”

Insurance Policies and indemnify the client for the same.

2.23 COMPLIANCE OF ABOVE CLAUSES:

It is obligatory on the part of the Contractor to comply with all the

clauses mentioned above and the tender price is supposed to include costs of implementation of the above clauses. If any of the liabilities

such as Insurance Policies are not discharged satisfactorily by the Contractor, the Owners will arrange to implement the clauses and costs, if any, shall be recovered by the Owners from the Contractor‟s

bills.

2.24 RISK PURCHASE CLAUSE:

If in the opinion of the Owners / Consultant, the Contractor fails to perform and discharge his obligations at any time during tenure of the contract including Maintenance period, the Owners shall give 7 days

notice in writing to the Contractor to improve his performance. If the Contractor fails, the Owners reserve the right to cancel the whole or

part of the order and get the same carried out by other agencies at the Contractor‟s risk, cost and responsibilities and recover the costs from the Contractor‟s outstanding bills or Security Deposit or Retention

amount.

2.25.LABOUR LAWS ETC.:

The vendor shall abide by the provisions of State / Central Govt. / Local Labour Laws and discharge his obligations towards any liability

arising out of such Laws in respect of his workers / Sub-Contractor‟s Workers. In case, the Contractor fails to comply with the Law

requirements, the Owners will have to intervene and settle the demands / disputes of the Contractor or his Sub-Contractor‟s Labour and debits the cost to the Contractor‟s account. The Contractor shall

maintain all such records for the presence of his labour / other people as may be required. In no case, the same would be mixed up with

records of the Owner / his other Contractors.

The Contractor shall employ no child Labour less than 18 years of age on the work. If female Labour is engaged the Contractor shall make necessary provision for safeguarding small children and keeping them

clear of the site of operations. No labourer shall reside within the compound except authorized guards.

The Contractor shall be liable for and shall indemnify the Owner against any liability, loss, claim or proceedings whatsoever arising

under any statute or at common law in respect of personal injury to or the death of any person whomsoever arising out of or in the course of

or caused by the carrying out of the works, unless due to any act or



neglect of the Owner or of any person for whom the Owner is responsible.

2.26.ACCEPTANCE OF TENDER:

The Owners reserve right to accept or reject any or all tenders without giving any reasons thereof. The Owners reserve right not to accept lowest tender and Owners may split the order whereby they may place

one or more orders for part of work for supply and or erection and in such case Tenderer‟s item-rates shall remain unchanged.

2.27.DISPUTE / AMBIGUITIES:

In case of Disputes / Ambiguities while interpreting any of Tender / Contract conditions Owner‟s / Consultant‟s decision in the matter shall

be final and binding.

2.28 BENEFICIERY FOR INSURANCE POLICIES:

Insurance policies mentioned in the respective clauses shall be taken prior to the start of the work at site. Owners shall be the sole beneficiaries for these policies. Copies of these policies need to be

submitted to Owner prior to the start of the work at site. If Contractor fails to take out these policies within the stipulated period, owners

reserve their right to take out these policies on Contractor‟s behalf and debit the cost to Contractor‟s Account.

2.29.OBSERVANCE OF RULES / REGULATIONS / ACTS:

The Contractor will have to observe all the rules and regulations prescribed under the Factories Act, Provident Fund Act, ESI Act, Shops

and Establishment Act, Workmen‟s Compensation Act and such other Acts and Labour Laws as may be applicable and any liability arising out of non-observance of the regulations and Acts in respect of his

employees or his Sub-Contractor employees, in respect of this Contract work, will have to be fully assumed and met by the Contractor. The

Contractor should ensure that he satisfies all the above regulations / acts, etc. If Contractor fails to comply with the above within the stipulated period, owners reserve their right to comply with the same

on Contractor‟s behalf and debit the cost to Contractor‟s Account.

2.30.E.S.I. LIABILITY:

E.S.I. dues or any other statutory dues payable on all the above works (including the immediate owner‟s share) for staff / labour engaged by

the Contractor or his Sub-Contractor in the Owner‟s premises / site of work, shall be the liability of the Contractor and the Owner shall not assume any responsibility legal or otherwise in this respect. . If

Contractor fails to comply with the above within the stipulated period, owners reserve their right to comply with the same on Contractor‟s



behalf and debit the cost to Contractor‟s Account. Copy of ESI/PF challans will be submitted to Owner.

2.31. REGULATIONS:

The Contractor and his employees shall observe all rules and

regulations of working in running Industrial Premises.

2.32.SITE SUPERVISIONS & SITE INSTRUCTION BOOK:

The Contractor shall deploy qualified and responsible Engineer at site

for site supervision and these Engineers shall be available at site during working hours to take instructions and answer queries.

2.33. WEEKLY SITE MEETINGS:

SENIOR REPRESENTATIVE of the Contractor along with the site Engineer shall attend weekly site meetings and make himself available

for any other meetings with the Consultants / Owners as and when required at site.

2.34.MAINTENACE OF SITE RECORDS:

The Contractor shall maintain at site proper record of Contract Agreement, Drawings, site instructions or any other records as

requested by Consultants / Owners and shall make these available to Consultants / Owners as and when required during site visits.

2.35.CO-ORDINATION OF WORK:

The Contactor shall co-ordinate his work with those of other agencies and the Consultants / Owners shall decide the priorities.

2.36.SAFETY MEASURES:

The Contractor shall take all necessary precautions for safe working at

Site and shall he responsible for the safety of the work and shall maintain all lights, guard, signs, temporary passages & provide all

Personal protective equipment (PPE‟s) to labour and employees such as

safety belt, helmets, safety nets necessary for the purpose as may be applicable.

All work shall be done at the contractor‟s risk, and if any loss or damage shall result from fire or from other cause, the Contractor shall promptly repair or replace such loss or damage free from all expenses to the

Owner.

The contractor shall be responsible for any loss or damage to material,

tools or other articles used or held for use in connection with the work. The work shall be carried till the completion without damage to any work

or property of the Owner or of others and without interference with the operation of existing machinery or equipment. The contractor shall follow



all precautionary measures suggested by COEP / CCBA Consultants, Architects & Project Consultants without any objection.

2.37.HOUSE KEEPING:

The Contractor shall provide proper House Keeping, Keep Working place

neat and clean store materials neatly and properly. After completion of work the contractor should leave site clean and remove all unwanted material / scrap from the site. All light fittings shall be handed over in dust

free manner.

2.38. EQUIPTMENT APPROVAL ETC.

The Contractor is responsible to obtain above well in time and ensure completion and commissioning within the scheduled completion date.

2.39. ARBITRATION:

This Contract shall be governed by and construed in accordance with Indian laws.

Any dispute arising between COEP and the Contractor out of or relating to the Contract shall promptly and in good faith be negotiated with a view to its amicable solution.

In case the disputes persist, all such disputes shall fall under the sole jurisdiction of Pune Court.

Any dispute or difference or controversy or claim arising under, out of, or in relating to this Agreement, including, without limitation, its formation, validity, interpretation, performance, shall be referred

to and formally decided by arbitration and conciliation proceedings at Pune, in accordance with the „Arbitration and Conciliation Act, 1996'

the award made in pursuance thereof shall be binding on the parties without any exception. In the event of litigation in court, this agreement is subject to Pune Jurisdiction.

It is expressly agreed between the parties that relation between them will be on principal to principal basis. This Agreement shall not

be amended or modified except by an instrument in writing signed by both Parties. Installation shall be subject to approval of “Tariff Advisory Committee” (TAC) of Fire Insurance Association of India.

Hence Contractor shall use all materials approved by TAC and it would be contractor‟s sole responsibility to fill in insurance forms,

prepare necessary drawings and submit the same to Fire Insurance Authorities and obtain their approval for the Electrical Installation.

Materials under owner‟s scope of supply shall be procured from suppliers approved by TAC.

2.40. The contractor shall make good all civil works damaged / disturbed

by him while carrying out Electrical Installation, immediately after installation work or in any case before end of the contract.

2.41 Severability Clauses:



If any provision hereof is found invalid, illegal or unenforceable pursuant to any executive, legislative, judicial or other decree or decision, the

remainder of this Contract shall remain valid, legal and enforceable according to its terms, and such invalid, illegal or unenforceable provision

shall be replaced with a provision that approximates the substance and spirit of the invalid, illegal or unenforceable provision as closely as possible without being invalid, illegal or unenforceable.



SECTION - 3

CONDITIONS OF CONTRACT

The work comprises of supply, installation, testing and commissioning of the Air Conditioning system by the vendor at the site. The system offered

by the vendor shall guarantee the inside design conditions at all occasions through out the year.

The contractor shall be responsible until the successful completion & handover of all works for all injury to persons, animals or things and for

all structural and decorative damage to property, plant and machinery which may arise from the operation or neglect of himself or of sub

contractor of any of his, whether injury or damage arise from carelessness, accident or any other case whatever in any way connected with the carrying out of this contract.

The contractor shall indemnify the owner(s) , consultant(s) and their

visitor(s) and hold them harmless in respect of all and any expenses arising from any such injury or damage under any act of Government or otherwise and also in respect of any award if compensation or damage

upon such claim.

The contractor shall insure the works, plant and machinery and persons working thereon and keep them insured until the virtual completion of the contract against loss or damage by fire, theft or loss in transit.

The contractor shall be responsible for anything which may be excluded

from the insurance policies above referred to and also for all other damages to any property arising out of and incidental to the negligent or defective carrying out of this contract.

1) Storage & Safety - Owner shall provide a storage space at the site

however the responsibility of safe custody lies with the vendor till virtual completion of the project.

2) Rates - Vendors shall offer the system inclusive of all taxes and duties such as Excise Duty, Works contract tax, Sales Tax, Octroi, ESI schemes

tax. Insurances, Cess payable to Labour authorities etc. (need to provide the brake-up as per requirement)

3)Price Escalation - The price shall be firm and not subject to any change and free from any variation till the virtual completion of the

project.

4) Performance Test – The vendor as per the Client & Consultant‟s requirement shall carry out Performance tests. The vendor shall arrange all necessary tools, tackles and measuring devices.



5) Training for Personnel - The vendor shall with out any extra cost train the owner's personnel on how to operate and carry out regular

preventive maintenance of the system. 6) After sales service - Vendor shall provide prompt after sales service

and should have inventory of necessary spare parts and machine components such as compressors etc. On receipt of a breakdown call from the owner the vendor shall attend the installation within 12 hours.

7) Spare Parts - Vendor shall give a list of recommended spare parts

and tools and tackles to be stored by the owner. The same shall be submitted along with the offer.



SECTION - 4

DESIGN DATA

5.1. Outside Design Conditions: (as per ISHARE 1997 Specifications)

Summer D. B. Temperature : 400C

W. B. Temperature : 24.40C

Monsoon D. B. Temperature : 28.30C

W. B. Temperature : 26.10C

Winter D. B. Temperature : 100C

W.B. Temperature : 6.10C

5.2. Inside Design Conditions:

Room Temperature : 24 + 20C DB Relative Humidity : Around 55+5%

Fresh Air : 1.5 Air change per hour



SECTION - 5

TECHNICAL SPECIFICATIONS

ROOF TOP UNIT DESCRIPTION

The units are primarily designed for roof top installation. The units are designed to operate satisfactorily in a wide range of ambient temperatures

from 125°F (52°C) down to 50°F (10°C) as standard. All standard units include:

Double skin construction with pre-plasticized outer skin in attractive colour

that meets ASTM B 1l7, 750 hour salt sprays standards. Multistage cooling provided by three or four independent refrigeration circuits with expansion valves, filter driers, high and low pressure

switches, and freeze stats. High Efficiency Scroll /digital inverter compressors.

Rigid construction with boxed extruded aluminum profile. Side air discharge configuration. Belt drives blower motor with variable pitch pulley.

Totally enclosed IP54 Evaporator & Condenser motors with Class F insulation.

Microprocessor based Simplicity TM control board. Fresh air intake connection only. Copper tube / aluminum fin coils.

2 inch disposable filters with easy access. Rigging holes in base rails for overhead lifting.

High efficiency PU foam insulation conforming to DIN 4102:B3. Single point power connection. Complete factory package - tested, charged and wired.

(EVAPORATOR) FAN ASSEMBLY

Fan shall be a belt drive assembly and include an adjustable pitch motor

pulley. Fan wheel shall be Double-inlet double width type with forward-curved blades, dynamically balanced to operate smoothly throughout the entire range of operation. Airflow design shall be constant air volume.

Bearings shall be lubricated for life. The evaporator motor shall be TEFC IP54 class F insulation. The motor has to energy efficient EFF1 add at all

applicable places (CONDENSER) FAN ASSEMBLY

Each unit shall have three or four condenser fans / motors. The outdoor

fans shall be of the direct-driven propeller type, discharge air vertically and shall be dynamically balanced for smooth operation. The outdoor fan motors shall be totally enclosed IP54 with class F insulation. Motors shall

have permanently lubricated bearings and shall have external overload protection



REFRIGERANT COMPONENTS

Compressors

a. Compressors for all models shall be Hermetic digital Scroll/inverter type. All compressors shall be internally protected with internal high-

pressure relief and over temperature protection. The compressors shall be mounted on neoprene mounts to eliminate vibration from being

transmitted to the unit structure and cabinet. Coils

a. Evaporator and condenser coils shall have aluminum fins mechanically

bonded to seamless internally enhanced copper tubes with all joints brazed. Condenser fin spacing shall be limited to 16 fpi for 30 Ton models to maximize heat transfer while fin spacing shall be limited to 12 fpi in the

35, 40 and 50 TR models to minimize blockage and high pressure operating condition. Special Heresite Coating shall be available as a

factory option. b. Evaporator and Condenser coils shall be of the direct expansion, draw-

thru, design. Coils shall be tested up to a pressure of 250 psig (evaporator) and 450 psig (condenser).

Refrigerant Circuit and Refrigerant Safety components shall include a. Thermostatic expansion valve with external equalizing line.

b. Filter drier / strainer to eliminate any moisture or foreign matter. c. Accessible service gauge connections on both suction and discharge

lines to charge, evacuate, and measure refrigerant pressure during any necessary servicing or troubleshooting, without losing charge. d. The refrigeration system shall provide at least 15°F of sub-cooling at

design conditions. e. All models shall have a minimum of 3 independent refrigerant circuits.

f. Unit shall operate with conventional thermostat designs and have a low voltage terminal strip for easy hookup.

g. Unit control board shall have on-board diagnostics and fault code display. h. Standard controls shall include anti-short cycle and low voltage

protection, and permit cooling operation down to 50°F. i. Control board shall monitor each refrigerant safety switch

independently. j. Control board shall retain last 5 fault codes in nonvolatile memory, which will not be lost in the event of a power loss.



SECTION- 6

GENERAL REQUIRMENTS

Ducting

1) All materials shall be new and of quality confirming to specification and subject to the approval of the Consultant. Wherever

particular makes are mentioned, the choice of selection shall remain with the Consultant. All items supplied shall be free from scars and scratches, shall be

protected from damage during the process of work and shall be clean ready for use upon completion of work.

All Grilles and Diffusers shall be fixed to meet the Architectural/ Interior designer‟s requirements. Wherever necessary, the items shall be centered

to dimensions and patterned desired.

All appliances shall be provided with all such accessories as are required to complete the items in working condition whether specifically mentioned or not in the Schedule of prices, Specification, Drawings. Accessories shall

include proper fixing arrangement, bracket, nuts, bolts, washers, screws and required connection pieces.

All items shall be fixed in a neat workmanlike manner true to level and to heights shown on the drawings and in accordance with the manufacturer s

recommendations.

SHEET METAL WORKS Scope

The scope of this section comprises supply, fabrication, installation and

testing of all sheet metal ducts.

Governing Standards Unless otherwise specified here, the construction, erection, testing and

performance of the ducting system shall conform to the SMACNA-1995 standards (“HVAC Duct Construction Standards – Metal and Flexible –

Second Edition – 1995”-SMACNA). RAW MATERIAL

All ducting shall be fabricated of LFQ (Lock Forming Quality) grade prime

G.I. raw material furnished with accompanying Mill Test Certificates. Galvanizing shall be of 120gms/sq.m. (total coating on both sides)

In addition, if deemed necessary, samples of raw material, selected at random by owner‟s site representative/consultant representative shall be



subject to approval and tested for thickness and zinc coating at contractor‟s expense (from a competent test laboratory like NPL or

equivalent) time to time.

The G.I. raw material should be used in coil-form (instead of sheets) so as to limits the longitudinal joints at the edges only irrespective of cross-section dimensions.

Duct Connectors and Accessories

All transverse duct connectors (flanges/cleats) and accessories/related hardware shall be zinc-coated (galvanised).

Fabrication Standards

All ductwork including straight sections, tapers, elbows, branches, shoe pieces, collars, terminal boxes and other transformation pieces must be

factory-fabricated.

Equivalency will require fabrication by utilizing the following machines and processes to provide the requisite quality of ducts and speed of supply:

Coil lines to ensure location of longitudinal seams at corners/folded edges only to obtain the required duct rigidity and low leakage characteristics.

No longitudinal seams permitted along any face side of the duct. All ducts, transformation pieces and fittings to be made on CNC profile

cutters for required accuracy of dimensions, location and dimensions of notches at the folding lines.

All edges to be machine treated using lockformers, flanges and roller for turning up edges.

Selection of G.I. Gauge and Transverse Connectors

Duct Construction shall be in compliance with relevant static norms as per

SMACNA. 4” Static Pressure norms to be followed.

All transverse connectors shall be galvanized angle minimum 3 mm thick. The specific class of transverse connector and duct gauge for a given duct

dimensions will be as per Table 1 below for the relevant pressure class. Non-toxic, food grade neoprene, P.E. or PVC minimum 3mm thick Gasketing with adhesive is required between all mating flanged joints.

Gasket sizes should conform to flange manufacturer‟s specification.



Table 1:

FOR SELECTION OF FLANGE CLASS AND DUCT GAUGES

AT 1200 MM SPACING

Duct

Dimension

Duct Pressure in Inches / (Pascal’s)

1"(250)*5

2"(500

)

3"(75

0)

4"(10

00)

6"(150

0)*4

10"(25

00)

In mm Reinforcement Class - Duct Gauge

Upto 250 E-24 E-24 E-24 E-24 E-24 E-24

251-300 E-24 E-24 E-24 E-24 E-24 E-24

301-350 E-24 E-24 E-24 E-24 E-24 E-22

351-400 E-24 E-24 E-24 E-24 E-24 E-22

401-450 E-24 E-24 E-24 E-24 E-24 H-20

451-500 E-24 E-24 E-24 E-24 E-24 H-20

501-550 E-24 E-24 E-24 E-24 H-24 H-20

551-600 E-24 E-24 E-24 E-24 H-22 H-20

601-650 E-24 E-24 E-24 E-24 H-22 H-20

651-700*2 E-24 E-24 E-24 H-24 H-22 H-18

701-750 E-24 E-24 E-24 H-24 H-22 J-18

751-900 E-24 E-24 H-22 H-22 H-20 J-18

901-1000 E-24 H-24 H-22 H-20 J-18 J-16

1001-1200 E-24 H-22 H-20 J-18 J-18

1201-1300 *3H-24 H-20 J-18 J-18 J-16

1301-1500 H-24 H-18 J-18 J-16

1501-1800 H-22 J-18 J-16

1801-2100 *3J-20 *3J-20 NOT DESIGNED

2101-2400 J-18 J-18

2401-2700 J-18

Duct Construction The fabricated duct dimensions should be as per approved drawings and

all connecting sections are dimensionally matched to avoid any gaps. Dimensional Tolerances: All fabricated dimensions will be within +/-

1.0mm of specified dimension. To obtain required perpendicularity, permissible diagonal tolerances shall be +/- 1.0 mm per meter.

Each and every duct pieces should be identified by colour coded sticker which shows specific part numbers, job name, drawing number, duct sizes

and gauge.

Ducts shall be straight and smooth on the inside. Longitudinal seams shall be airtight and at corners only, which shall be either Pittsburgh as per SMACNA practice, to ensure air tightness.

Changes in dimensions and shape of ducts shall be gradual (between 1:4

and 1:7). Turning vanes or air splitters shall be installed in all bends and



duct collars designed to permit the air to make the turn without appreciable turbulence.

Plenums shall be shop/factory fabricated panel type and assembled at

site. The deflection of transverse joints should be within specified limit for rectangular duct deflection as given in SMACNA. Page no. 7.6.

Reinforcement of ducts shall be achieved by either cross breaking or straight beading depending on length of ducts.

As per SMACNA page no. 1.74, fig. 1-8 “Duct Sizes 19” (483 mm) wide and larger which have more than 10

Sq.Ft. of unbarred panel shall be beaded or cross broken unless ducts will have insulation covering or acoustical liner.. This requirement is applicable

to 20 g (1.00 mm) or less and 3” W.G. (750 Pa) pressure or less. Ducts for 4” W.G. (1000 Pa) or more do not require beads or cross-breaks.”

Take Off

All branch take-off and collars shall be provided with turning vanes. Straightening vanes shall be provided in the collars wherever practicable. Duct Construction

The intent of the above specification is to obtain duct pieces that are robust and rigid enough to preclude flutter and to achieve min. amount of

air leakage. Suitable neoprene gaskets shall be provided between the duct flanges & silicon sealant shall be applied wherever required. Ducting shall be supported from independent hangers fixed to the building structure. In

case, the ceiling hanging is not feasible the ducts shall be supported from walls, floor, or structural member specifically created for the purpose. In

any event, the duct shall not be supported from false ceiling, ceiling hangers, support for light fixtures or piping work etc. In case the structure is under construction, inserts and anchors required for duct support shall

be set in the building structure at the time of pouring concrete. The contractor shall prepare, detailed drawings of hangers and supports and

submit for approval of consultants.

Elbows, Vanes, etc. Simple elbows, transformation sections, shall be formed with Pittsburgh

corner seams. Complicated fittings shall be constructed with double corners. Elbows, bends and offset pieces shall have a centre line radius of

not less than 1.5 times the radial width of the duct. Turning vanes should be provided at required spacing such that the aspect ratio of each individual elbow formed by the vanes shall not be more than five.



Transformation

Duct transformation shall be made with a side slope of 10mm to 70mm. However, if the duct Cross section area need to be reduced, a max.

reduction of 20% of the original area shall be allowable.

Obstruction

Where ducting has to avoid building structural members, piping, electrical pipes and cables, ducts shall be transformed, divided or curved to one

side. (the reduction in cross sectional area shall not exceed 20% of the original area.)

Apparatus & Equipment Connections

Duct sleeves made of 20 gauge thick galvanised sheet steel shall be used for ducts passing through structural RCC walls. Sleeves shall provide 25

mm clearance all around bare duct or insulated duct. The space between sleeve and duct shall be packed with mineral wool/thermocol. ii. All the sheet metal plenum required to confine the flow of air through

filters and fans, shall be fabricated out of heavy gauge galvanised sheet steel as per drawing, suitably braced as required. Suitable access doors

shall be provided for plenums. Access Doors

Air tight hinged or bolted double skin access doors with handles shall be

provided in ducting for fire dampers, coils, heaters, plenums and any apparatus requiring frequent servicing for inspection. Access doors shall be rigid and shall be provided with air tight neoprene gaskets. Insulated

ducts shall be provided with insulated doors.

Tools and tackles for site work

The duct installation shall conform to SMACNA norms. For duct assembly and installation the use of suitable tools and tackles should be used to give the required duct quality and speed of installation including (but not

restricted to) a) Electric Pittsburgh Seamer – used for closing Pittsburgh joints

b) Electric Slitting shear – to make cut-outs c) Drilling machine with drill bits – for drilling holes in sheet metal work d) Hammer drill machine with drill bits – for drilling holes in building

structures for anchors e) Hoisting system – for lifting the duct assembly upto mounting heights

(Duct lifters to be used for safety)



Installation Practice

All ducts shall be installed 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 Consultant/Client.

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 there is interference/fouling with

other beams, structural work, plumbing and conduits, the ducts shall be suitably modified as per actual site conditions.

Ducting over false ceilings shall be supported from the slab above, or from

beams. In no case shall any duct be supported from false ceilings hangers or be permitted to rest on false ceiling. The false ceiling is non-walkable

type. 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 minimum 25mm thick appropriate insulation around the duct and totally covered with fire barrier mortar for complete sealing. HVAC contractor to fabricate and fix GSS sleeve in the wall/slab opening through

which ducts will pass.

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 fungal proof, lint free, fire retarding, flexible connection, located at the unit discharge. To avoid any kind of vibration isolators

(spring type) shall be provided.

All duct pieces to be covered with polythene sheeting on both ends and securely taped to prevent ingress of dust/moisture during installation/commissioning.

Wherever duct passes through any wall/slab it should be sealed with help

of angle frame. Factory fabricated insulated access doors to be provided in ducts for

cleaning/maintenance/access for fire dampers/ motorised dampers purpose at suitable locations. Leak tightness of access doors shall be

ensured. Radium arrow stickers indicating direction of air flow in duct shall be provided.



Before installation of duct, it should be thoroughly cleaned.

During the construction, the contractor shall temporarily close all duct openings with sheet metal covers/polythene sketch to prevent debris/dust

entering ducts and maintain them clean. For all supply and return air ducts, food grade silicone sealant (approved

by USFDA) must be applied on all duct joints including flanges to render the joints air tight.

All support members and any kind of structure required to install duct shall be included.

Documentation & Measurement for Ducting

All ducts fabricated and installed should be accompanied and supported by following documentation:

For each drawing, all supply of ductwork must be accompanied by computer-generated detailed bill of materials indicating all relevant duct

sizes, dimensions and quantities. In addition, summary sheets are also to be provided showing duct area by gauge and duct size range as applicable.

Measurement sheet covering each fabricated duct piece showing

dimensions and external surface area along with summary of external surface area of duct gauge-wise.

All duct pieces to have a part 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, verification and approvals.

Testing

After duct installation, complete ducting shall be tested for leakage. The procedure for leak testing should be followed as per SMACNA - “HVAC Air

Duct Leakage Test Manual” (First Edition). Vendor shall also carryout leak testing for fabricated pieces before installation at no extra cost.

TESTING OF DUCTING

For ducting CONTRCTROR shall check all the joints for proper jointing using atleast the Light test. Contractor shall also submit manufacturer`s material/test certificate for all items and Approval shall be obtained on the

same before the material is delivered to site.

COMMISSIONING CONTRACTOR shall carry out balancing of the Air distribution system so as

to achieve the values specified in the drawings/specifications at each riser, headers, sub headers, branches, terminals/ outlets etc. during air



balancing it shall be ensured that there are no hot pockets and also air draft is not felt in the conditioned space.

After successful and satisfactory balancing, the finally measured values of

air Flow quantities, temperatures etc. as applicable shall be recorded at each risers, headers, sub headers, branches, terminals/ outlets, spaces etc. on the air distribution System in system drawings of each area / room

.These drawings with above details shall from a part of the commissioning report. The vendor shall fill up all the other important and relevant

information, required for estimating the actual capacity delivered by the installed equipment as well as the completeness of the commissioning report, in a pre approved format approved by consultant/purchaser in

advance, prior to the commencement of commissioning.

The vendor after satisfactorily completing the work shall furnish the commissioning report to the consultant / purchaser (if any on the commissioning report) the vendor shall offer the system to the consultant

/purchaser for joint inspection. Sample measurements of valves of air quantities, temperatures etc. shall be carried out to verify the correctness

of the data indicated in commissioning report, The responsibility of the correctness of the data indicated in the commissioning report shall be with the vendor shall also rectify any damages caused to piping and ducts

including before handing over the system.

Dampers The dampers shall be zero leakage airfoil having frame of 125 x 25 x 3mm

thick extruded Aluminium sections and blades 160mm wide, minimum. 1.2mm thick extruded aluminium airfoil. The bearing having heavy duty

moulded nylon/bronze. The linkage shall be plated steel blade brackets, brass rollers and galvanised steel rods. Neoprene Rubbers Seals at tips of blades shall be provided. Stops shall be aluminium at head and sill. The

motorised dampers shall be provided with motors and electrical wiring as required. Every damper shall have an indicating device clearly showing

the damper position at all times. Zero leakage dampers shall be tested at 150mm water gauge pressure and no leakage shall be allowed.

Fire Dampers (CBRI Approved)

All supply & return air ducts in air handling units in main branches shall be provided with approved fire dampers of at least 90 minutes fire rating.

Fire damper blades shall be one piece folded high strength 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 current from creating noise chatter. The blades shall be held in position through fusible links (UL certified).

In case of fire, the intrinsic energy of the folded blades shall be utilised to close the openings. The thrust from closing of the damper shall operate a

limit switch mounted in the bottom frame of fire damper within the duct; closing of this limit switch shall shut off the power supply to the air



handling unit stopping all air flow instantaneously. No hinges or blade linkages shall be permitted which may give way under heat or air

pressure.

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 ducts in accordance with the manufacturer‟s recommendations.

Certificate for fire performance from CBRI is required.

Minimum 2 Nos. of fusible link shall be tested at site.

Volume Control Damper in Ducts All supply air outlets shall be fitted with a volume control device, which

shall be located immediately behind the outlet and shall be fully adjustable from above the false ceiling. Volume control device for circular

outlets shall be opposed blade radial dampers in conjunction with equalising grid. Opposed blade dampers shall be used for square and rectangular ceiling/ wall outlets and intakes.

Duct damper shall be of GI in construction, with opposed blade construction, and with flanged ends. The damper shall be painted properly

with proper on - off indication. Fresh Air Cowl with Damper, Bird Screen & Filter:

Fresh air cowl shall be constructed of GI Sheet, GI Damper, Bird screen

and a washable filter shall be provided as per the drawing. Finish (Non Clean Areas)

Supply air outlets and return air intakes shall be provided with powder coating Aluminium material. All damages to be finish painted before final

handing over of the installation.

Testing & Balancing After installation of the entire air distribution system is completed in all

respects, all ducts shall be tested for air leaks (as per specified standard) prior to insulation application.

Before painting the interiors of conditioned spaces, air distribution system shall be allowed to run continuously for 48 hours for driving away any

dust or foreign material lodged within ducts during installation. The entire air distribution system shall be balanced. Measured air quantities at fan

discharge and various outlets shall be identical to or less than 3 percent in excess of, those specified and quoted. Leakage in each air distribution system shall be within 3 percent, so that supply air volume at each fan

shall be identical to, or no greater than 3 percent in excess of the total air quantity measured at all supply outlets served by the fan. Branch duct



adjustments shall be made by volume or splitter dampers. Dampers 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 to the supervisor for scrutiny and

approval and four copies of the approved balancing report shall be provided with completion documents.

INSULATION

Scope

The Scope of this section comprises supply and fixing of insulation as specified.

All insulating materials in the form in which it is used and under the condition anticipated shall not ignite, support combustion or release toxic gases when subject to fire or heat including adhesives.

All adhesives used to stick insulation shall also be non-flammable. All materials used for acoustical insulation shall be resin bonded fiber

glass of density and thickness as specified or indicated on the drawing. All materials used for acoustical insulation shall be Armaflex/Kflex closed cell electrometric nitrile rubber class „O‟. All sun exposed roof shall have

phenotherm under deck insulation of the density and thickness specified.

Manufacturers‟ recommendation for application & safety shall be strictly adhered to.

Duct Insulation

The insulation shall be applied as follows: Duct Insulation – Thermal

Clean all duct surfaces thoroughly to remove grease, dirt, etc.

1) The measurement of surface dimension shall have to taken

Properly to cut Nitrile rubber sheets. 2) The rubber sheets size to cut with sufficient allowance in dimension.

Apply a thin coat of non – flammable adhesive recommended by Manufacturer on ducts and on the insulation material.

When adhesive is tack dry, insulation shall be placed in position With compression and no stretching of insulation shall be permitted to

achieve a good bond. All longitudinal and transverse joints shall be sealed with 3mm thick and

25mm width self adhesive armaflex class „O‟ tape.



Insulation material for duct shall be close cell elastomerics Nitrile rubber Class „O‟ thermal conductivity of Nitrile rubber shall not exceed 0.036 w /

m0 Density of material shall not be less then 0.04 gm / cm3.

Acoustical Insulation

Acoustical Insulation for Ducts

All connecting ducts to Rooftop Units / AHUs shall be sound insulated to a distance of 6 m or as specified or as shown on the design.

Acoustical insulation shall be 25 mm thick 32 Kg/ cum fiber glass Insulation finished with dimensionally sheets as specified or shown on the

drawings. Application

a) Clean all internal duct surfaces

Pre-cut the insulation to the size desired, allowing 50 mm excess at downstream joints.

Install self adhesive pins spaced along the inner face of duct. The pins

should start within 75 mm 0f upstream transverse edges of the liner and 75 mm from longitudinal joints and should be placed at a maximum of 300 mm on centers around the perimeter of the duct, except that there

may be a maximum of 300 mm from a corner break.

Apply coat of foster Duct as Adhesive 81 – 22 0n the duct surfaces as per manufacture‟s recommendations. Impale insulation through the bolts and assure insulation is stuck to the adhesive. Fix self-retaining washers on to

the bolts. Do not compress insulation more then 3 mm. It is recommended that all exposed leading edges & joint be coats with

foster duct as Adhesive 81 – 22.

Acoustical Insulation for AHU / package Unit Rooms Acoustical insulation shall be 50 mm thick 32 Kg/ cum fiber Glass

Insulation finished with dimensionally stable Black RP Tissue (BROT) facing & 24 G perforated aluminium sheets as specified or shown on the

drawings. Application

Fix 32 mm x 32 mm GI / Al. angle frame at 600 mm centers.

Fix insulation + BRPTissue & finish with 24G perforated aluminium Sheets.



Under- deck Roof Insulation

office air-conditioned areas with roof exposed to the sun shall be provided with under-deck insulation of 30 / 50 mm thick phenotherm having

density of 32 Kg/ cum. The insulation shall be sandwiched between fire retardant Kraft papers. On one layer of Kraft paper factory bonded Aluminium foil shall be provided.

Under-deck insulation shall be applied as follows:

Clean the surface and make it free from duct and loose particles. Hold the Phenotherm slab in position.

The insulation shall be screwed to RCC slab with nylon rawal plugs and 65

mm screws fixed through 75 mm x 75 mm washers at 600 mm centers and securely tied with GI binding wire final layer of chicken wire mesh. Seal all intra slab joints with self Adhesive PVC tapes.

VENTALATION & EXHAUST FANS

Scope:

Scope of work under this section comprises the supply, erection, testing and commissioning of the ventilation / exhaust system of the capacities

set forth in the Schedule of Equipment. All fans shall be static and dynamically balanced.

Centrifugal Fans:

Fans shall be non-overloading type. The fan C.F.M. static pressure, class arrangement, width, direction of rotation, mode of discharge, etc. shall be

as indicated in the Schedule of Equipment and in the applicable drawings or as required.

The scroll shall be manufactured from hot dip galvanized sheet steel with

side plates of Aero-dynamic profile. Fans shall be provided with stationary inlet vanes as a standard

accessory. Movable inlet vanes shall provided only where specified for automatic control. Movable inlet vanes shall be complete with necessary

linkages for automatic controls. Fans shall also be provided with heavy duty outlet dampers mounted in a

separate frame, wherever required.

All class I fans shall be provided with sleeves bearing with generous oil reservoir, drain plug, oil level indicator, etc. class II and III fans shall be provided with heavy duty ball bearing pre-greased & self – aligning.



Fans shall be driven by electric motor 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 requirements and make his offer accordingly. Motor ratings shall be at

least 5% over limit load plus transmission Losses. Exhaust fans handling corrosive fumes shall be made of non – corrosive

materials or coated with corrosion resistant paints with epoxy of chlorinated robber base.

Cabinet Supply / Exhaust Unit Unit shall be complete factory assembled, tested and of approved

manufacturers.

Casing shall be of heavy gauge galvanized sheets, ribbed and reinforced with access provided by hand holes and casing panels.

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 requirements and make his offer accordingly. Motor ratings shall be at least 5% over transmission losses.

Fan shall have limit switch with Aluminium wire guard to shut off the fan.

Propeller Type Exhaust Fans:

Propeller type fans shall be G. E. C. make or equivalent. Fans shall be of the broad type, ring or diaphragm mounted and the capacity shown in the

schedule of Equipment, Fans shall be provided with gravity type louvers unless otherwise stoned.

Fan drive shall be single phase or three phase motors as indicated in the Schedule of Equipment and shall be complete with starter.

Smoke Exhaust Centrifugal Fans

Standard with UL listing for “power ventilators for smoke control systems” for 500 degrees F for 4 hours and 1000 degrees F for 15 min. units have

centrifugal backward inclined steel wheels with embossments on the blades and cooling fins for added strength and cooling. Flange safety

vibration isolators are oversized to accommodate the added heat and weight. Unit has heat baffle to reduce motor compartment temperature. Unit shall have dual belt and pulley system.

Fans shall bear the AMCA certified Ratings seal for sound air performance.

Each fan shall bear a permanently affixed manufacturer‟s name plate containing the model number and individual serial number for future

identification.



Electric Supply System / Rated Voltage

415 volts, 3 phases, 4 wires, 50 Hz with solidly grounded neutral.

Variation in electric supply under which motor shall be operated continuously

Voltage : +/-10% Frequency : +/-5% variation

Any combination of voltage and frequency. Equipment and materials

All equipment shall be as per specifications, and/ or drawings supplied

along with the tender documents. Equipment/materials shall be suitable for local climatic conditions as specified in the tender.

All equipment shall be of robust construction. Enclosure of equipment shall be dust, damp and vermin proof. Equipment for outdoor installation shall

have weather proof enclosures requiring no further protection by the purchaser.

Approval

The contractor shall be responsible for obtaining approval of drawings from statutory/ local authority as required.

Motor Control Center

Motor control centre shall consist of incoming switch fuse units/isolator and a starter mounted inside the wall or floor mounting type cubicle made out 2 mm thigh MS sheet. Anti corrosion and phosphatising treatment

shall be given to the sheets by a standard 5 tank/ 7 tank processes.

All feeders shall be provided with two position (on-off) isolators, load drear and quick make and break type. All isolators shall be suitable for

board operation Isolators for motor feeders shall preferable be of the motor duty` type i.e. capable of interrupting the locked rotor current of induction motors, which will be 6/8 times the full load current.

Isolators shall be interlocked with door to prevent opening or closing of

the door in the closed (`NO`) position of the isolators, in case of compartmental type of feeders. All live terminals on the isolators shall be adequately shrouded to prevent accidental contact and danger to the

personnel.

Caution name plate “CAUTION LIVE TERMINALS” shall be provided at all points where the terminals are likely to remain live and isolation if possible only at remote end e.g. incoming terminals of incomer.



Fuses & Fuse Fittings

All fuses shall be of the non-deteriorating, high rupturing capacity, link, mounted in suitable fuse carriers or fuse bases.

Cabling & Earthing

All necessary power cabling and control cabling shall be carried out using PVC armoured copper conductor cables. Earthing shall be provided using

suitable copper wire / copper strips as per IS standards, and double runs shall be laid for each power cable. The end connections of each cable shall be properly terminated with glands & lugs. The cable shall be clamped and

properly laid using pressure clamps.

Distribution Board: The distribution board shall be compartmentalized, fabricated out of 16-

gauge CRCA sheet, with seven-tank treatment method and properly powder coated with approved colour. The distribution board shall have

copper bus bar; phase indicating lamps, Digital Voltmeter, Digital Ammeter for the incoming compartment and only indicating lamps for 2 compartments. SFU‟s of proper rating shall be provided for incoming and

out going. Single phasing preventer shall be provided for each individual feeder. The panel should have IP 55 protection.

All internal SFU‟s, indicators etc. shall be of Siemens / L&T make. The distribution board shall be fabricated only after the drawing approval from

the consultant.

Contactors Contactors shall be magnetic, air break type, generally in accordance with

BS 775/IS 2959. All contactors in power circuits of motor starters or other feeders shall be

adequately rated for the duty required and operating conditions. Minimum rating shall, however, not be less then 16 amps.

Contactor coils preferably be of draw out type for easy replacement. Coil voltage shall be 24V DC. Contactor coil shall operate satisfactorily between 110% and 85% of the nominal coil voltage. Drop off voltage for

AC coils shall be between 80% and 45% of the nominal voltage. Making and breaking capacities of the contactors shall be suitable for AC2

and AC 3 categories of duty as per IS 2959 unless the contactors are required for special duty such as inching or plugging duty or capacitor duty, in which case, they will be suitably dreaded.

Each contactor shall be provided



WINDOW / SPLIT AIRCONDITIONERS

1. Scope:

1.1 The scope of this section comprises supply, installation, tasting and commissioning of window / Split Airconditioners.

2 Window / Split Airconditioners

2.1 The units shall be complete with compressor, motors, fans, cooling coils, condenser coils, control package, cleanable filter, facia grille and

casing. 2.2 The compressor shall be hermetically sealed, mounted on vibration

isolators. 2.3 The cooling and condenser coils shall have copper tubes with aluminium fins.

2.4 The fans shall be properly balanced to provide a vibration free service. 2.5 The filters shall be cleanable type and shall be easily removable.

2.6 The control package shall consist of thermostats, speed control and fresh air and exhaust air adjustments. 2.7 Electrical shall be complete with capacitors, relays and safeties.

2.8 Split units shall have a remote mounted condensing unit. All interconnecting refrigerant piping power and control cabling between the

indoor and the outdoor units shall be provided by the Airconditioning contractor. 2.9 All casing / cabinets exposed to the outdoor shall be resistant metal

duly painted.



SECTION - 7

CODES & STANDARDS

Besides regulatory requirements as per CGMP, WHO, USFDA, EMEA and Schedule M guidelines, the equipment supplied by vendor shall conform to the latest standards and regulations listed below:

IS:4894-1987 (Reaffirmed 1991) Centrifugal fans

IS:2312-1967 (Reaffirmed 1991) Propeller type A/C Ventilation fans

IS:1239-1990 Part I & II/IS 3589 Mild steel tubes, tubulars & other wrought steel fittings

IS:277-1992 Galvanised sheet steel

SMACNA Fabrication and testing standard of ducts

IS:2379-1990 Colour code for identification of pipelines IS:325-1996 Three phase induction motors

IS:1231-1974 Dimension of 3 phase foot mounted induction motors

IS:4691-1985 (Reaffirmed 1991) Degrees of protection provided by enclosures for rotating electrical machinery

IS:2516-1985 (Reaffirmed 1995) Air circuit breakers

Part 1 of 4 IS:1248-1993 (Reaffirmed 1991) Direct acting indicating analogue

electrical measuring Part 1 to 9 instruments and their accessories

IS:3854-1997 Switches

IS:3043-1987 Code of practice for earthing

BS:2831-1971 Code for testing of filters

BS:6540 (latest edition) Code for testing of filters



SECTION - 8

MODE OF MEASUREMENT

The following measurement code shall apply to this contract:

9.1. Piping:-

Mode of Measurement for all piping shall be as follows: “To be paid on liner length through fittings and valves. Valves to be paid

separately. Pipes shall be measured from the centre of the pipe.” a. Piping will be measured in running length (Mtr).

b. No special measurement of bends, elbows, reducer, expanders, tees, cross, etc., will be made. All such fittings/accessories will be treated as normal piping.

c. The length of piping including accessories and fittings will be measured along the centre line of piping.

d. No measurement for flange, shall be made. All flanges shall form a part of piping work. e. No measurement of pipe supports, hangers, anchors, etc., will be made.

All such items shall be deemed to form part of piping work. f. No measurement will be made for sockets for thermometers and

pressure gauges. 9.2. Sheet Metal Work:

Measurement of sheet metal work shall be done as follows:

“To be paid on the finished areas of the ducting. Cost of the vanes, splitters and damper shall be included in the item rate quoted per unit

area of the duct. Cost of the collars for grilles and diffusers, etc. shall be paid separately, measured on the finished area of ducting as above.”

a. Ducting :

All sheet metal ducting work will be measured in terms of final net sheet area installed at site. No wastage will be measured or paid.

No measurement of vanes, splitters, duct dampers, deflectors, access

doors, flanges, etc., which are required to be installed in the duct work will be made as the same shall be deemed to be part of ducting work. Duct fittings such as bends, elbows, tap-off, collars, transformation

pieces, etc. shall be treated as ordinary duct pieces with their length measured along their centre line.

No duct supports, stiffening, members, etc., shall be measured separately. All such supports/ hangers shall form part of duct work. Equipment connections such as canvas/rexine shall be deemed to be part

of the duct work and no separate measurement will be allowed.



b. Grilles / Diffusers / Dampers / VCD:

All grilles diffusers/dampers/VCD will be measured in terms of effective area in sq.mt..

Example : 600 mm x 150 mm grille will be measured as 0.09 Sq.mt. All dampers which are part of AHU/VU/EU or such equipment shall not be paid extra.

9.3. Insulation:

The mode of measurement for duct insulation shall be as per IS-7413-1981.

a. Ducting insulation :

Ducting insulation will be measured on the basis of bare surface of duct area. No extra payment shall be made on the basis of outer line of

insulation. No special measurement shall be made for insulation of bends,

transformation pieces, tap offs, elbows, etc. All such insulation shall be treated as standard duct insulation. Insulation item shall include all accessories and finishes as specified. No

separate measurement will be made for such items.

b. Piping Insulation : Piping insulation shall be measured in linear lengths for each size of pipe.

Example : 50 mm dia. pipe insulation (25 mm thick) : 6 Mtr. No separate measurement of insulation shall be made for fittings such as

bends, elbows, reducers, expanders, tees, crosses, flanges, etc. All such insulation shall be linear in metres along the center line of piping. Insulation of valves shall be measured separately and will not be part of

piping. All accessories and finishes connected with insulation work shall be

deemed to form part of insulation and no separate measurement will be made for such items.

Insulation of valves will be measured as a unit for a particular size of valve. Example :- 50 mm dia valve insulation (25 mm thick) - 1 No.

c.Equipment installation :

No measurement for insulation of any equipment will be made. Insulation of equipment shall be deemed to form part of the equipment.

PRESSURE GAUGES & THERMOMETERS

This will be counted and paid.



SECTION - 09

QUALITY ASSURANCE AND QUALITY CONTROL

The work shall conform to high standards of design and workmanship, shall be structurally sound and aesthetically pleasing. Quality standards prescribed shall form the backbone for the quality and quality control.

At the site level the Contractor shall arrange the materials, their stacking/

Storage in appropriate manner to ensure the quality. Contractor shall provide equipment and manpower to test continuously the quality of materials, assemblies etc. as directed by the engineer. The test shall be

conducted continuously and the result of test maintained. In addition, the Contractor shall keep appropriate tools and equipment for checking

alignments, slopes evenness of surface. The Consultant shall be free to carry out test as may be considered

necessary by him at his sole discretion, from time to time, in addition to those specified in this document. The Contractor shall provide the samples

and labor for collecting the samples. Nothing extra shall be payable to the Contractor for samples or for the collection of samples.

The test shall be conducted at the site laboratory that may be established by Consultant or at any other standard laboratory selected by Consultant.

The Contractor shall transport the samples to the laboratory for which nothing extra shall be payable. In the event of Contractor failing to

arrange transportation of the samples in proper time Consultant shall have transported and recover two times the actual cost from the

Contractor‟s bills.



SECTION - 10

Notes for Handing Over

Following instructions / documents shall be supplied in Triplicate (with soft copies also) during handing over of the site. The final payment against commissioning shall be released only after completion of the following

activities / submission of documents.

A. Air Balancing of the entire system report. B. As built drawings of the following.

a. Ducting drawing with air quantities indicated for various areas. b. Plant room / equipment layout.

c. Refrigerant/Ch.water piping layout.. d. Electrical wiring drawing. e. Electrical Panel drawing.

Only those drawing shall be submitted as per the system installed at site.

C. Temperature readings chart, recorded during air balancing (indoor &

outdoor).

D. Compressor HP/LP Settings for all compressors in the equipment.

E. Maintenance Manual / Operation Manual.

F. Operating Instruction Board duly laminated.

G. Official Handing Over Report. H. All submittal (initial test reports) for any BOQ items should be

incorporated in this document.

All the above shall be handed over (spiral binding set) to the Consultant which shall be then forwarded to the Client after duly checking of the

same.



Section 11

11 Submission of Tender a] Each bidder shall submit only one tender. Submission of more than one tender by the same bidder shall automatically lead to disqualification of the bidder. b] The tender submitted by the bidder shall comprise the following in two different envelop: -

o Part 1: Technical Bid :Qualification documents along with EMD o Part 2: Commercial bid.

c] The two parts of the tender (Technical bid & Commercial bid) should be sealed in two separate envelopes & both of them to be sealed in one big envelope, addressed to The Director College of Engineering, Pune (Owner) All the envelope will also bear the following identification :-

Tender for “HVAC System for Auditorium and Seminar : Academic Complex Building:”

“Technical bid” on technical bid envelope & “Commercial bid” on commercial bid envelope

Put the tender ref number at the right hand corner of the envelope.

„Do not open before‟ & the date of tender opening.

In case of not finding all required identifications on all or any of the envelopes, the bidder will be disqualified without giving any reason thereof. d] Tender must be received in the office of the Director, College of Engineering, [An Autonomous Institute Govt. of Maharashtra] , Shivajinagar, Pune- 411005. (Owner) not later than the time and date given in the letter of invitation .If the specified date is declared a holiday, tenders shall be received up to the appointed time on the next working day.

e ] Any tenders received by the Director, College of Engineering, [An

Autonomous Institute Govt. of Maharashtra] , Shivajinagar, Pune- 411005 after the deadline for submission of tender will be rejected and & no communication in this regard will be made.



Section 12

12 . Selection Process

The selection process will be Quality & Cost-Based Selection (QCBS)

and will encompass a two-part evaluation viz., (a) Technical and (b)

Financial by the Evaluation Committee specifically constituted for

the purpose. Evaluation by QCBS will be based on weighted

average of the scores of Technical (30 %) and Financial Bids (70

%).

12.1 Technical Evaluation

(1) Technical Bid will be evaluated by the Committee based on the

point system on the following parameters:[Enclose all authentic

proofs in order]

Maximum Points

i. General background and overall credit / Profile of the Bidder 10

(Threshold: Minimum 6 years: 4 points and 1 addl. point for every addl. year, limited to max. 6 points)

ii. Average turnover from execution of work by the agency during

the last 3 years [ based on income tax return] 20

(Threshold: Rs. 1 Cr.: 4 points and 2 addl. points for

every addl. Crore of turnover, limited to max. 16 points)

iii. Relevant Experience in execution of projects of HVAC in the past three years.

40 (Threshold: 2 projects of Minimum 50 T capacity: 10 points and,

2 addl. points for Every 10 T additional Capacity , limited to max. 30 points).

iv. Manpower commitment, dedicated team and team leader comprising experts. The team comprises like, project engineer,

design consultant, quantity surveyor, electrical, fabrication, etc. Standards, credential and with Certification, prize, awards, etc.

30 (Threshold: Min. 4 : 16 points and 3 addl. points for every addl.

Expert/ credential, limited to max. 14 points)

Total Points 100



The Evaluation Committee will award points for each of the above

parameters. A minimum score of 70 in the Technical Bid will be

required to qualify for opening of Financial Bid.

The decision of the Evaluation Committee on short listing the bidders, who qualify technically, will be final & binding on all

bidders.

12.3 Financial Bid Evaluation:

The financial bids of only those bidders, who qualify

technically, will be opened and evaluated by the Evaluation

Committee. Financial evaluation will be based on maximum

100 points. Lowest Financial Bid will be awarded 100 points.

Points for higher bids will be reduced on pro-rata basis with

reference to the lowest bid. An illustration of financial score

is given below:

Details Max.

points

Bidders

1 2 3

Bid amount - 40 50 60

Maximum points 100

Points 100 80 67

Note: The decision of the Evaluation Committee will be final and binding on all the Bidders.

12.4 Final Selection:

Final selection of the successful bidder will be Quality and Cost

Based Selection. For this, both the scores in the technical bid

as well as financial bid will be combined to form the basis for

final selection. The combined score will consider 30 %

weightage for technical competency and 70 % for financial bid.

An illustration of the combined score is given below:

Details Weightage Bidders

1 2 3

Technical score 30 % 65 70 75

Financial score 70% 100 80 67

Combined score

(weighted average)

89.5 77 69.4

Top combined score will be the basis for selection of the successful contractor.



12.5 Post Selection

(i) The decision of the Evaluation Committee on the technical /

financial evaluation will be final. Financial bids of the

unsuccessful bidders will be returned unopened.

(ii) The selected Bidder will be required to enter into a suitable

agreement with COEP , Pune.



Part II

Section 13

Bid offer The following bid offer is to be filled in by the tenderer, on their company

letterhead and to be submitted along with the tender documents.

1. Site address : COEP PUNE 2. Name of the Bidder :

3. Registered Office :

4. Central Sales Tax Number : Sales Tax Number :

5. Nature of Work : Supply, Installation, Testing &

Commissioning of the air-conditioning System 6. Total Price Offered in Rs. : Rs.

Total Price in Words (Rupees________________________________________________)

7. Validity of Quotation : 90 Days from date of submission

8. Performance Guarantee Period : 24 Months from the date of commissioning (Defects Liability Period)

9. Work Completion Period : as per time frame.

10. Terms & Conditions & Scope of Work: As per Tender Document.

11. Part Offer, Inadequate/Unclear information or any omission/deviation in the scope of work specifications, terms & conditions laid down in the

tender documents make the tender liable for rejection. I/We have carefully studied and understood all contents of this tender &

aware of the scope and specifications of the work to be done and the local conditions and other factors bearing on execution of the work.

It is understood by me/us that the lowest or any tender will not necessarily be accepted.

Yours faithfully,

Place: Date : Signature

Company Seal Address:

college of engineering, · 2019-05-17 · 14 boq [ attached separately ] 48 54 . hvac for...

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