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Name of Work Setting up of 6 AIIMS at Bhopal Bhubaneswar

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Name of Work Setting up of 6 AIIMS at Bhopal Bhubaneswar

    Setting up of 6-AIIMS Pre-bid Queries &Amendment-1 (HVAC)

    Ministry of Health & Family Welfare

    (Government of India)

    Request for Proposal (RFP) for

    Setting up of 6 AIIMS at

    Bhopal / Bhubaneswar/ Jodhpur/ Patna/ Raipur/ Rishikesh

     Package IV HVAC & BMS

    Volume VI

    BOQ

    ? Pre-Bid Queries & Amendment-1 ( HVAC)

    Ministry of Health & Family Welfare Ministry of Health& Family Welfare(GoI) Nirman Bhavan, Maulana Azad Road New Delhi 110011

    0

    Setting up of 6-AIIMS Pre-bid Queries &Amendment-1 (HVAC)

    INDEX

     Sl. No. Heading Page No.

    01 Index 01 02 Reply to the Queries during the Meeting 02 03 Queries by Shapoorji Pallonji 04 Reply to the Queries 03-05

     05 Queries by Simplex Infrastructure ltd

     06 Reply to the Queries 06

    07 Queries by CCC Ltd

    08 Queries by B.E. Billimoria Co. Ltd 09 Reply to the Queries 07 10 Queries by Punj Lloyd 11 Reply to the Queries 08

     12 Queries by L & T

    13 Reply to the Queries 09-10

    14 Queries by ACIL 15 Reply to the Queries 11 16 Queries by B. L. Kashyap

     17 Queries by Unity Infrastructures ltd

     18 Queries by JMC ltd

    19 Reply to the Queries 12

    20 Approved Makes of materials for HVAC 13-17 Work ( Revised)

    Ministry of Health& Family Welfare(GoI)

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    Setting up of 6-AIIMS Pre-bid Queries &Amendment-1 (HVAC)

    Name of the work: Setting up of 6 AIIMS at

    Bhopal, Bhubaneshwar, Jodhpur, Patna, Raipur and Rishikesh

    Clarification / Addition/ Deletion No -1 (HVAC)

     1. Reply to queries raised during the meeting is as follows:-

    (a) Extension of date for submission of bid All bidders were seeking extension of

    two to three weeks as it is difficult for them to collect rates from the market in such

    a short period.

    Reply No extension is granted. The bid submission date will remain 03 Mar 2010

    upto 1.00 P.M.

    (b) M/s L&T:- Bidder wanted that L&T may be permitted to work on their own instead

    of through specialized firm.

    Reply Not permitted. No change.

    (c) M/s L&T:- Bidder also wanted to remove operation & maintenance of HVAC work

    from the Tender.

    Reply No change. Operation and maintenance of HVAC work shall remain the

    part of tender.

    (d) M/S CCCL : They requested not to enforce the MOU with specialized firms.

    However they agreed for signing MOU with more than one firm.

    Reply Accepted. MOU with more than one firm is permitted..

    (e) Payment of Bills: Bidders wanted that payment may be made to Civil Contractor

    instead of Specialized firm.

    Reply Not agreed. Payment to be regularized as per tender.

    2. Reply to Technical Points: Attached

    Date of Submission of Bids 03 Mar 2010 up to 1.00 pm

     Ministry of Health& Family Welfare(GoI)

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Setting up of 6-AIIMS Pre-bid Queries &Amendment-1 (HVAC)

    I. Shapoorji Pallonji & Co. Ltd

    Reply to Sl no of queries:

AIIMS Rishikesh:

Sl.No:

1. Chiller: BOQ gives technical duty of the chiller. The chiller will be as per CPWD HVAC

    specification. VFD and BMS card will be as per the Chiller manufacturer.

    Country of origin: As per makes specified.

    2. Secondary chiller pump: As per revised list of makes enclosed. Wilo make added.

    3. VFD drive for condenser pump is not required.

    4. Cooling tower: Flow: 2800 US GPM.

     Temperature. In: 97.5 degree F. Out: 90 degree F.

    5. TFA specification as per AHU and CPWD specification.

    6. Demand control will include regulation of fresh air intake through a automatically

    controlled motorized damper as per the CO2 level in the return air. The inline fan will

    handle the amount of exhaust from the occupancy and the VAV unit will handle the

    variable volume of fresh air intake and the exhaust. Please see the revised list of

    approved makes.

    7. Makes for Axial fans included. Constructional features shall be as per CPWD

    specification and as per approved make. Any valid technical deviation to suit

    manufacturers design will be allowed on merit with the advice of the Engineer Incharge.

    8. MS Pipe above 150 mm dia: Thickness as per CPWD HVAC specification.

    9. Pressure rating shall be as per CPWD HVAC specification.

    10. Pressure Independent valve: Revised list includes the makes.

    11. Thermostat to be provided.

    12. The accessories for Aluminium duct shall be Aluminium.

    13. Supreme Make has been added in the revised list.

    16. Laminar flow diffuser shall be in consultation with Modular OT design.

    17. Motorised Fire damper shall be CBRI Roorkee approved.

    18. Pressure rating of motorized butterfly valve shall be as per CPWD HVAC specification.

    19. Input/ Output summary for BMS to be collected from HLL Office.

    20. In place of UVGI read-“ Ultra Violet photohydroionization advanced Oxidation metal

    catalyst based technology”:

    For Rishikesh work only. Make will be: RGF

    21. Ozone Generator: See the revised approved make list. 22. BOQ items 34 to 41 shall be handled by one specialized vendor on a turn key basis.

    Approved vendors are:

     Vesda/ System Sensor/ Notifier/Carrier ALC.

    23. No Change Ministry of Health& Family Welfare(GoI)

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    Setting up of 6-AIIMS Pre-bid Queries &Amendment-1 (HVAC)

Reply to Queries for AIIMS tenders at six locations:

Sl NO.

1. Screw Chiller: Mono screw acceptable as requested.

    2. Secondary Chiller Pump: BOQ gives the duty of the pump. Specification is as per

    CPWD HVAC specification.

    3. Thermal Storage system and allied accessories: Your observation is noted. At the time

    of execution decision will be taken whether to provide this system or not. The tenderer

    has to commission the system without thermal storage system if so decided.

    4. Scrubber specification: as per approved manufacturer’s spec. with approval from of the

    Engineer In Charge in consultation with HVAC Consultant.

    5. Axial Flow Fans: Makes as in the revised list.

    6. Energy Recovery Wheel: Makes as per revised list attached. Duty as per BOQ and

    specifications as per CPWD. This is a part of AHU.

    7. BMS: Information on Summary: to be collected from HLL Office.

    8. Cross linked closed cell insulation: Specification as in BOQ. Reply already given

    earlier.

    9. Duct Insulation: “50 mm thick insulation” deleted.

    10. Expansion tank: Revised list of approved makes attached.

    11. Thickness of inner skin of AHU/Drain Tray/Cooling Coils: .8mm/ as specified in CPWD

    HVAC specification for GI. Please note that inner skin of Air Washer also will be of

    stainless steel.

    12. Point No. 25 to Preamble: No change. 13. Point No. 25(a): Choice of make from the approved list of makes lies with the contractor

    but the Engineer-in-charge will give prior approval before order is placed.

    14. General: Specifications are as per BOQ/CPWD HVAC specification. The BOQ is based

    on the detailed design made by the AC Consultant. The detailed drawings will be given

    to the successful bidder after award of the work. Meanwhile if any further details are

    required contact HLL Office for the needful.

    Technical Clarifications of AIIMS Jodhpur:

SL NO.

1 to 8: No Change.

    9: Please see revised list of approved makes.

    Ministry of Health& Family Welfare(GoI)

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    Setting up of 6-AIIMS Pre-bid Queries &Amendment-1 (HVAC)

Technical Clarifications of AIIMS Jodhpur:

Sl No:

1. Chiller: Reply already given as above.

    2. Chiller plant Manager: Same make as Chiller. 3. Pumps: Horizontal split casing pump is allowed.

    4 Already replied as above.

    5. Already replied as above.

    6. Already replied as above.

    7. Already replied as above.

    8 Already replied as above.

    9. Already replied as above.

    10. Deep Freezer: Voltas/ Bluestar make allowed. 11. Already replied as above.

    12. Commercial: All relevant details are there in tender documents.

    Ministry of Health& Family Welfare(GoI)

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    Setting up of 6-AIIMS Pre-bid Queries &Amendment-1 (HVAC)

    II. Simplex Infrastructures Ltd

Reply to Sl no of queries:

Sl No.

1. HVAC drawings on Auto Cad Format: The BOQ is based on detailed design done by

    the AC Consultant. Work will be done as per CPWD HVAC specifications and

    specifications as in BOQ. These are sufficient to submit the bid. Detailed drawings on

    Auto Cad Format will be submitted to the successful bidder after award of the Work.

    2, 3: Please obtain the CPWD specifications which are priced publications and are available

    for purchase.

    4, 5: No change is allowed. Please note that the inner skin of the AHUs/Airwasher/Scrubber

    shall be made of stainless steel.

    6. No change allowed.

    7. Approved Makes: Please see revised list attached.

    8. BMS Input/ Output Summary for Raipur: to be collected from HLL Office

    9. Bhopal: Percentage of brine solution for Chiller: As per design and recommendation of

    the Manufacturer.

    10. Bhopal: ARI does not certify Brine chillers: After award of work, it may be decided not

    to go for brine chiller and thermal storage tank system. The tenderer should be

    prepared to execute the work without brine system. Please tender accordingly. Items

    connected with brine system may be excluded from execution.

    11. 240 TR brine chiller in place of 250 TR: Change accepted for not less than 240 TR.

    12. Bhopal: 500 TR Chiller with VFD: Yes, chiller to be provided with VFD

     for reducing starting current and energy savings at part load.

    Ministry of Health& Family Welfare(GoI)

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    Setting up of 6-AIIMS Pre-bid Queries &Amendment-1 (HVAC)

    III. Consolidated Construction Consortium Limited

Reply to Queries received.

Sl No:

1. MOU: Considering the high value of work, MOU prior to tender is required. No change.

    2. Tender Drawings: Reply already given as above,

    3. Approved Vendor for IBMS: Sauter Race included.

    4. Approved Makes for IBMS: Please see the revised list.

    5. General: Soft copy Documents: As replied above, it will be given after award of work for

    preparation of working drawings for execution.

    IV. B.E.Billimoria & Co. Limited

Reply to Queries:

Sl No of Query.

1to6 : Already reply given to these queries as above.

    8: Please see the revised list of approved makes.

    Ministry of Health& Family Welfare(GoI)

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    Setting up of 6-AIIMS Pre-bid Queries &Amendment-1 (HVAC)

    V. Punj Lloyd

Reply to queries at Annexure-A:

There are 14 queries. All the queries are common with reference to queries already replied to

    as above.

Queries at Annexure-B:

There are 23 queries which are repetition of queries of other bidders: Replies already given.

Annexure C:

    Reply to Querries:

Sl No.

1. Deviation between BOQ and CPWD Specification: Clause 21 of Vol IV will supercede

    BOQ/ CPWD specification as clearly mentioned in the document. Clause 21 is

    applicable to certain specified items only. With reference to other items, wherever there

    is a discrepancy between the BOQ and tender specification, decision will be taken on

    merit in the best interest of the work as directed by the Engineer Incharge.

    2. Pressure rating of butterfly valves: As per CPWD HVAC specification.

    3. Pipe Insulation: It will be factory insulated for better quality/insulation and speedier

    execution of work.

    4. As per CPWD HVAC specification with additional specification.

    5. Pipe insulation thickness specified.

    6. Make of Axial Flow Fan: Pl see the revised list. 7. Zinc coating of Ducting: As per CPWD HVAC specification. 8,9,10,:These points have already been replied to as above.

    11. Specification for UVGI and Ozone: Specification as per the approved Manufacturer

    will be accepted.

    12. This point has already been replied to as above.

    13. Approved Makes: Please see the revised list.

Technical Comments for Rishikesh Hospital:

    1. AHU casing thickness: as per CPWD HVAC specification. 2. Electrical Panel rating: As per the requirement of various equipments and as per

    HVAC CPWD specification.

    3. The estimate is based on LS for the entire job and is not to be paid against

    Ministry of Health& Family Welfare(GoI) quantity/length of various items. 4. Thickness of duct acoustic lining: Given in the BOQ.

    AIIMS Raipur:

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    Setting up of 6-AIIMS Pre-bid Queries &Amendment-1 (HVAC)

    As per CPWD HVAC specification.

    VI. L&T

Reply to queries raised by L&T:

Sl No.

1,2,3. No change.

    4. Contradiction between BOQ and CPWD Specification:

     Please refer to reply given earlier.

Bhopal:

5. Water chiller capacity mentioned: Actual capacity.

    6. No change. To be provided with VFD.

    7. AHU: Static pressure mentioned is total.

    8. Thermal storage tanks: Number of tanks: Upto the tenderer. 9. Scrubber: Static pressure: Total.

    10. Heat Exchanger: Specification as per approved manufacturer. See Approved List. 11. Chilled water pipe thickness: As per CPWD specification. 12. Chilled water pipe insulation: It shall factory pre insulated with PUF. 13. GSS Duct : Type of flange: As per CPWD specification.

    14. Operation and maintenance: No change. 15. BMS: Input/Output summary: to be collected from HLL Office .

Bhubaneswar:

    5. Cond. Water Pump: Tenderer may provide End Suction Back pull type pump. 6. AHU static pressure: For the tenderer to suit design. 7. Filter specification: As per CPWD HVAC specification. 8. 2-way modulating valve: Price to be considered in the AHU rate. 9. Heat Recovery Unit: Design left to the tenderer but make of heat recovery unit shall be

    within List of Approved manufacturers.

    10. Condensing Units; Price to be included in AHU unit rate. You may consider 2x10 Units.

    Distance: Please see the drawing in HLL office.

    11. Pipe thickness: As per CPWD HVAC specification.

    12. Welding MS pipe above 500 mm: As per best engineering practice.

    13,14:Already replied above.

Jodhpur:

    Ministry of Health& Family Welfare(GoI) 5. Chiller power consumption: As per CPWD HVAC specification. Pipe below ground level: Please see drawing in HLL office.

     Other points already replied to.

    9

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