Tender For Replacement Of Existing 02 Nos Of 200 Tr Chillers At Srinagar Airport.; 1 Supply , installation , testing and commesioning of reversible air cooled screw heat pump package of 1160 kW heating/ 328 TR cooling actual capacity with twin compressor & Satr delta starter, comprising of screw compressors with direct drive motor (speed not exceeding 3000 RPM, multi-compressorwith Shell & Tube Type Evaporator duly insulated, and full refrigerant charge. Air cooled condenser having copper tube with mechanically bonded aluminum fins, fan motor with housing, inter-connecting copper piping all mounted on MS frame with vibration isolator mounting below compressors. The microprocessor based control pannel completely factory wired comprising of all necessary operative and safety controls and sensors with LCD display panel. TPN weather proof isolator switch for in coming power cable. The motor shall be suitable for 415 ± 10% volts, 3 phase , 50 Hz AC power supply. The package Heat Pump shall be BMS compatible including necessary interface card suitable for transferring data to BMS. Heat Pump shall be provided with mechanical couplings for water connections, and complete as per detailed technical Tender specifications. 2 Dismantling of existing 200 TRscrew type chiller units, foundation and associated accessories, including shifting the same from the HVAC plant location to dismantle items store located not more than 200 metres away. 3 Dismantling of existing Chiller Panel & Hot Boiler Panel, associated accessories, including shifting the same from the HVAC plant location to dismantle items store located not more than 200 metres away. 4 Supply, installing, testing & commissioning of Centrifugal Horizontal, End-Suction, Top DischargeChilled Water Pumps with VFD, complete with CI body, bronze / gun metal / CF8 impeller with stainless steel shaft, bronze or gun metal shaft sleeve, mechanical shaft seals and flexible coupled with electric motor for re-circulation of water for the central air conditioning system. The pump shall be flexible coupled protected by OSHA compliant coupling guard. All pumps shall be aligned properly as required. The pump motor shall be TEFC squirrel cage induction motor having efficiency class IE3 (as per IS 12615) with class F insulation, 1500 RPM synchronous speed, operating on 415 V +/- 10%, 3 phase, 50 Hz AC supply. The motor shall be non- overloading type. Pumps shall be with performance characteristics as given below. The pump and motor shall be mounted on a common base plate. The complete pump set alongwith base plate, coupling and coupling guard shall be factory assembled and tested. Pump set shall be complete with thermal insulation same as chilled water pipes, cladding, rubber flexible connections (PN-16) at suction and discharge, necessary anti vibration pads, MS base plate, coupling guard,and all other accessories complete as required. 5 Chiller Plant Panel :- Supply, Installation, Testing and Commissioning of cubicleLT panel as per IEC 61439-1 & 2, IP42, suitable for 415V+/-10%, 3 Phase, 4 wire 50 HzAC supply system,tested for 12kV impulse withstand voltage,form 4b construction, fabricated in compartmentalized modular design from CRCA sheet steel of 2 mm thick for frame work and covers, , plates i/c cleaning & finishing complete with 8 tank process for powder coating in approved shade, having TPN Aluminium alloy bus bars for high conductivity, SMC bus bar supports,with short circuit withstand capacity of 50 KA for 1 sec ,internal arc type tested as per IEC 61641 50kA for 0.3sec at HBB,VBB & Cable Chamber,bottom base channel of MS section not less than 100mm x 50mm x 3mm thick, fabrication shall be done in transportable sections,entire panel shall have a common earth bar sized for prospective earth fault ,solid / flexible connections from main bus bar to switchgears and from switchgear output to cable termination in cable alley with required size of AL conductors / bus bars and control wiring with 2.5 sqmm PVC insulated copper conductor cable (FRLS), cable alleys, cable gland plates , i/c providing following switchgears / accessories as per specifications. 6 BOILER PLANT PANELSupply, Installation, Testing and Commissioning of cubicleLT panel as per IEC 61439-1 & 2, IP42, suitable for 415V+/-10%, 3 Phase, 4 wire 50 HzAC supply system,tested for 12kV impulse withstand voltage,form 4b construction, fabricated in compartmentalized modular design from CRCA sheet steel of 2 mm thick for frame work and covers, , plates i/c cleaning & finishing complete with 8 tank process for powder coating in approved shade, having TPN Aluminium alloy bus bars for high conductivity, SMC bus bar supports,with short circuit withstand capacity of 50 KA for 1 sec ,internal arc type tested as per IEC 61641 50kA for 0.3sec at HBB,VBB & Cable Chamber,bottom base channel of MS section not less than 100mm x 50mm x 3mm thick, fabrication shall be done in transportable sections,entire panel shall have a common earth bar sized for prospective earth fault ,solid / flexible connections from main bus bar to switchgears and from switchgear output to cable termination in cable alley with required size of AL conductors / bus bars and control wiring with 2.5 sqmm PVC insulated copper conductor cable (FRLS), cable alleys, cable gland plates , i/c providing following switchgears / accessories as per specifications.Panel shall be completed in all respect and must follow tech specs . 7 SAFETY EQUIPMENTS 8 Supplying and fixing of Shock treatment chart both in Regional, Hindi & English.and framed with 5mm thick glass as required. 9 Supply of First aid box containing material as prescribed by St. John Ambulance brigade OR Indian Red Cross complete as required. 10 Providing Single Line Diagram on 5mm thick Aluminium sheet in A0 Size duly laminated. 11 Providing Single Line Diagram on 5mm thick Aluminium sheet in A1 Size duly laminated. 12 EARTHING (SUB-STATION EQUIPMENTS & DG SET) 13 Earthing with copper earth plate 600mm x 600mm x 3.0mm thick including accessories and providing masonary enclosure with cover plate having locking arrangement and watering pipe of 2.7 meter long etc. with charcoal and salt complete as required. 14 Earthing with GIearth plate 600mm x 600mm x 6.0mm thick including accessories and providing masonary enclosure with cover plate having locking arrangement and watering pipe of 2.7 meter long etc. with charcoal and salt complete as required. 15 Providing & fixing of 50mm x 5mm GI strip on surface or recess for earth connection as required. 16 Providing & fixing of 50mm x 5mm copper strip on surface or recess for earth connection as required. 17 Supply andLaying of GI Pipe for running GI/Copperstrip for earth connection as required and as per specifications.80 mm inner dia 18 Supply of following size of 1.1kv grade multicore aluminium conductor XLPE insulated and PVC sheathed armoured cable as per IS: 7098:1988 (Part - I) with upto date amendments. 19 3.5 core, 400 Sq.mm. 20 3.5 core, 240 Sq.mm. 21 3.5 core, 35 Sq.mm. 22 3.5 core, 25 Sq.mm. 23 Laying and fixingof one number PVC insulated and PVC sheathed/XLPE Power cable of 1.1kV grade offollowing sizeson existing cable tray etc. asrequired. 24 Upto 35 sq. mm 25 Above 185 sq. mm and upto 400 sq. mm 26 Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. 27 Upto 35 sq. mm 28 Above 185 sq. mm and upto 400 sq. mm 29 Laying of one number PVC insulated and PVC sheathed/XLPE power cable of 1.1 kV grade of the following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc. as required. 30 Up to 35 sq.mm 31 above 185 sq.mm. and upto 400 sq.mm. 32 Laying of one number additional PVC insulated and PVC sheathed/ XLPE power cable of 1.1 kV grade of following size direct in ground in the same trench in one tier horizontal formation including excavation, sand cushionning, protective covering and refilling the trench etc as required. 33 Up to 35 sq.mm 34 above 185 sq.mm. and upto 400 sq.mm. 35 Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing masonary open duct as required. 36 Up to 35 sq.mm 37 above 185 sq.mm. and upto 400 sq.mm. 38 Laying and fixing of one number PVC insulated and PVC sheathed/XLPE powercable of 1.1 kV grade of following size on wall surface as required. 39 Above 185 sq. mm and upto 400 sq. mm (clamped with 40x3mmMS flat clamp) 40 Supplying and making end termination with double compression brass gland and aluminium lugs forfollowing size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required. 41 3.5 core, 400 Sq.mm. 42 3.5 core, 240 Sq.mm. 43 3.5 core, 35 Sq.mm. 44 3.5 core, 25 Sq.mm. 45 CABLE TRAYSupply and installing following size ofgalvanised ironLader type cable trays with radil bends supports, reducers, tees, cross members and other accessories as required and duly suspended from the ceiling with GI suspenders etc as required. 46 1000 mm width x 60mm depth x 2 mm thickness. 47 600 mm width x 60mm depth x 2 mm thickness. 48 Supply and installing following size ofgalvanised ironperforated type cable trays including with perforation not more than 17.5%, in convenient sections horizontal and vertical bends, reducers, tees, cross members and other accessories as required and duly suspended from the ceiling with GI suspenders etc as required. 49 450 mm width x 60mm depth x 2 mm thickness.
