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| 1 | Air Colled chiller with VFD :-Supply, Installation, Testing, & Commissioning ofAHRI certifiedmicro-processor controlled Variable speed Air Cooled Screw Chillar having actual capacity of minimum 260 TR (Actual Capacity at design condition), comprising of semi-hermetic Screw Compressors and direct driven motor, each chiller shall have minimum 2 compressors and individual refrigerant circuits, chiller shall be equipped with insulated shell and tube type flooded/ DX type cooler/evaporator, air-cooled condenser made of copper tube and aluminium fins as per OEM Standard, high efficiency condenser fans, including spring isolators mounting for chiller unit. The chiller package shall also be complete with refrigerant copper piping, factory charged R-134a refrigerant gas and Automatic feedback control system wiring, incoming suitable electrical isolator complete with accessories as required, automatic & safety controls including electronic expansion valve etc. Easch compressor must be equipped with dedicated VFD. [MCHE (Micro Chanel Heat Exchanger) will not beacceptable] |
| 2 | 1. Minimum Cooling Capacity : 260 TR Screw - (Actual Capacity @ following Design Conditions)2. Type of Refrigerant : R-134A3. Chilled Water \"In\" : 12 Deg C 4. Chilled Water \"Out\": 7 Deg. C5. Chiller Fouling Factor : 0.0001 (FPS)6. The electrical panel should be IP55 protected (As per OEM Satndard)7. Air Entering Temp. to the Condenser : 35 º C.8. Minimum IKW/TR should be less than equal to 1.46 at design condition (Including Fan Power) 9. Minimum COP at AHRI Condition not less than 3.2 & IPLV Minm 5.00 at AHRI conditions as per ECBC Plus gudiline. 10. EVAP Pressure drop not more than 0.5 Kg./Cm. Sq. (Make : Daikin / Climaveneta/ Kirloskar/ Carrier/ Bluestar/ Voltas/ Johnson Control/ Mitsubishi) |
| 3 | SITC of 200 mm dia Butterfly Valve (Make - Honeywell/ AUDCO/ Advance) (Installed at inlet/outlet pipe of chiller) - 2 Nos. |
| 4 | SITC of200 mm dia Balancing Valve(Make-Honeywell/ AUDCO/ Advance) (Installed at inlet/outlet pipe of chiller for proper flow control)-1 No. |
| 5 | SITC ofFlexible Connection - 200 mm dia(Make - Cori/ Resistoflex) - 2 Nos. |
| 6 | SITC of4\" Dial SS Pressure Gauge complete with syphon and isolation gauge cock.(HGURU/ AWAREE) (Installed at inlet/outlet pipe of chiller for monitoring pressurel) - 2 Nos. |
| 7 | Supply, erection, testing & commissioning of Alcohol in glass type industrial thermometer complete with thermowell. (Make : HGURU/ AWAREE) (Installed at inlet/outlet pipe of chiller for monitoring temperature) -2 Nos. |
| 8 | SITC of25 mm NB Ball Valve For descalling and drain (Make - Honeywell/ AUDCO/ Advance) (Installed at inlet/outlet pipe of chiller fordrain water & descalling). ---2 Nos. |
| 9 | SITC of15 mm NB Ball Valve For air purge valve /auto air vent(Make - Honeywell/ AUDCO/ Advance) (Installed at inlet/outlet pipe of chiller to remove air from system)-1 No. |
| 10 | SITC of Water flow switch for chillers (Make - Honeywell/ ANERGY) -1 No. |
| 11 | Design, Supply, Iinstallation & Testing, Commissioning of HVAC Electrical Control Panel with Microprocessor Controller-1 No. There should be provision for Integrated Electrical distribution system for power circuit & control circuit for Compressors & water pumps, Starters, Cu. Tubing & placement of instrument like Pressure Gauge of Refregerant System, Supply of Heater for Compressor, Compressor oil, Oil Pressure Indicator, Trip arrangement for High Pressure & Low Pressure Cut Off, Anti-freezing Cut Off, Reversal of Phases & Phase failure Cut Off, Flow Switch Cut Off, Automatic Chilled Water Bypass System in case of partial load condition. Customer will provide Single Point Electrical Power Source to HVAC Panel. Bidder should design & supply the HVAC Panel accordingly. |
| 12 | CHILLED WATER PUMPSupply, erection, testing & commissioning of Chilled water duty, end suction back pull outtype centrifugal pumpsetat(having Bronze/CI Impeller) with TEFC, IP-55, Class F insulatedSq. cage induction motor, complete with common base frame, spring vibration isolators, coupling and coupling guard for the following duty & including items as specified below :(Make - Kirloskar/ Grundfoss/ xylem/ Armstrong/ Flowmore/ KSB)(i)Rated Flow 650 USGPM at 30 MWC head (1 W + 1 S) |
| 13 | 200 mm dia Butterfly Valve (Make - Honeywell/ Advance/ Oswal/ Kirloskar/ L&T) (Installed at inlet & outlet of each pump) |
| 14 | 200 mm dia Check Valve/NRV (Make - Honeywell/ Advance/ Oswal/ Kirloskar/ L&T)(Installed at Outlet of each pump) |
| 15 | 200 mm dia Y Strainer (Make - Honeywell/Advance/ Oswal/ Kirloskar/ L&T) (Installed at Inlet of each pump to isolate the perticals from system) |
| 16 | 4\" Dial SS Pressure Gauge complete with syphon and isolation gauge cock.(Make - HGURU/ Tameson/ Equivalent) ( Installed at Inlet & Outlet of each pump to monitor pressure) |
| 17 | 25 mm NB Ball Valve For drain (Make - Honeywell/ Advance) ( to drain out water during maintenance) |
| 18 | SITC ofPurgeing Valve/Auto air vent with 15 mm Ball valve (Installed at each Room branch header & main headers) (Make - Anergy/ Advance/ AUDCO) |
| 19 | Supply, Erection, Testing & Commissioning of MS ERW Chilled Water (Supply & Return)Piping (Class C) complete with flange , Tee, bend & other necessary fittings including weilding joints & MS supports and TF quality thermocol density 40kg/cum insulation with chicken wire mesh sand cement plaster (Pipes upto 150 NB shall be Heavy Grade as per IS: 1239 Part I and from 200 NB & above Pipes shall be as per IS: 3589 of specified thickness.)(Make-Tata/ Jindal/ SAIL) i) 200mm NB(Insulation 75mm thick) |
| 20 | ii) 50mm NB (Insulation 50 mm thick) |
| 21 | iii) 40mm NB(Insulation 50 mm thick) |
| 22 | iv) 32mm NB(Insulation 50 mm thick) |
| 23 | v) 20 mm NB(Insulation 32 mm thick) |
| 24 | Chilled water In-duct type Indoor FCU units with compact 3 Row Cu. cooling coil, multi-speed fan motor, the blower shall be dynamicaly balanced and designed for silent operation, the filters shall be washable synthetic media type arranged for convenient cleaning and replacement and inbuilt drain pump. The Unit should be equipped with Ball Valves / Stainer & Actuator as required. The unit is to be supplied with chorded remote controller. (i)3 TR (Make - Daikin/ Johnson Control/ EdgeTech/ Zeco/ VTS/ Citizen) (Allocation sheet attached) |
| 25 | 2.5 TR (Make - Daikin/ Johnson Control/ EdgeTech/ Zeco/ VTS/ Citizen)(Allocation sheet attached) |
| 26 | 2 TR (Make - Daikin/ Johnson Control/ EdgeTech/ Zeco/ VTS/ Citizen) (Allocation sheet attached) |
| 27 | 1.5 TR (Make - Daikin/ Johnson Control/ EdgeTech/ Zeco/ VTS/ Citizen) (Allocation sheet attached) |
| 28 | Supply, erection, testing & commissioning of 1000 litre capacity PVC multi-layer expansion / cushion tank, insulated with cover of thermocol, sand, cement plaster as per chilled water piping alongwith air separator (Make - Syntex/ Patton/ Supreme), provision of make up water inlet, overflow outlet, Air release vent, etc. |
| 29 | Supply and Laying of Rigid PVC Drain Pipe (Medium Class)with respective fittings ,proper supports at 5 feet interval and duly insulated with 6 mm thick closed cell nitrile rubber insulation. (Make : Oriplast/ Supreme/ Filolex/ Ashirbad/ Astral)(i) 20 mm NB |
| 30 | (ii) 32 mm NB |
| 31 | (iii) 40 mm NB |
| 32 | Supply and fixing of Flexible double Canvas connection in between each FCU & Al. Supply Air grill mounted on Gypsum Boxing cover. (Custom Make or Asper direction of EIC) |
| 33 | Supply & fixing of Powder coated extruded Alluminium return air grilles (Make : Premier/ Systemair/ Caryaire/ Air Enterprise) without volume control dampers. |
| 34 | Supply & fixing of Al powder coated extruded Alluminium Supply air grilles (Make : Premier/ Systemair/ Caryaire/ Air Enterprise) with alluminium volume control damper. |
| 35 | Major & minor civil works required to execute before and after the HVAC works for mending good damages to original finish painting. |
| 36 | Supply & fixing of drop ceiling made of gypsum / E-board (3 mm thick) incl. Al. channel & complete with linkages, levers, fittings, supports, all accessories any other item required to make the system complete to cover the indoor units of concealed split unit incl. painting the board as per direction of EIC. |
| 37 | Supply, fabrication & fixing oftrap door with 3 mm thick ACP board (MAKE- Aludecor/ Urobond or others reputed make) complete with inkages, levers, fitings.support all accessories for IDU maintenance ad per direction of EIC. |
| 38 | Charges for operation of the entire HVAC System of the NSOU Campus, New Town , Kolkata by 2 no. Semi Skilled Personnel for 6 days in a week for 12 months.N.B: (a) Selection sheet both in design condition as well as AHRI condition should be submitted along with the bid for evaluation.Scan copy of original certificates of AHRI & others should be uploaded, failing which Bid may be rejected. (b) The Agency must procure the materials from the Manufacturer / OEM or from their authorized. Sales channel so that the standard warranty / support of the Manufacturer / OEM becomes applicable to the products to be delivered and installed by them.(c) Documents that authenticates such procurement from the Manufacturer / OEM or from their authorized sales channel and standard warranty / support should be sent from the e-mail of the Manufacturer / OEM / authorized sales channel to the e-mail of Engineer-in-Charge and hard copy of it to be submitted during execution of work / submission of bill.(d) If any refurbished material is supplied and installed, penal action will be taken as per existing rules.(e) Any other item or items left out due to inadvertance should be deemed to be included in the scope of work. Bidders are advised to physically visit the site in accordance with the building drawing to be provided by the Tender Inviting Authority and quote the price accordingly. |
