National Institute Of Science Education And Research Tender

Supply, installation, testing and commissioning of microprocessor based Energy Efficient air cooled multi Screw compressor Chiller unit (Model as per OEM), Nominal Capacity: : 125. TR having efficient Semi Hermetic VFD Screw compressors.(minimum two compressor) condenser should be copper tube with aluminum fins (microchannel condenser not accepted ) Chilling machine described above and complete in all respects as follows for the operating parameters as given under. Chilled Water In Temperature : 11 Deg C Chilled Water Out Temperature : 6 Deg. C Chiller Fouling Factor : 0.0001 or better Design Ambient Air Temperature : 42 Deg. C Voltage - Phase - Frequency (V-X-Hz) : 400V+/- 10% - 3Ph - 50Hz +/- 3% Control Voltage (Volts) : 210-240 V Minimum % capacity reduction : 25% BMS Link : With MODBUS Start Mode : VFD Unit Starting Current as rated by OEM : 50, Max. allowable operating current (Amps) at 400V, per Compressor : as rated by OEM , Unit Operating Current : as rated by OEM Power Consumption Of Chiller / TR At Tender Condition Mentioned Above - ≤1.48 (including condenser Fan Power), COP At AHRI Condition - ≥3.0 (Including Condenser Fan Power), EER (Btu/W-h) :8.26 The scope shall include 19 mm thick polyvinyl nitrile rubber insulation duly cladded between aluminium sheets of 0.5 mm thickness and properly clamped to pump & Anti-vibration pads over RCC / cement floor complete etc as required.(Minimum 25HP) Frame work for mounting the above condenser, fans, chiller compressor and motor with base plate complete with anti-vibration pads/springs complete etc as required. Initial / first charge of refrigerant gas, lubricating oil and compressor oil etc as required. Water flow switches at outlet of chiller, water drain, air purge valves, thermometers and pressure gauges etc. as required. Make-Voltas / Kirloskar/blue star or equivalent Preferred Make: Kirloskar/York/Bluestar/Diakin/Voltas or equivalent

Supply, installing, testing and commissioning of factory built, tested skid mounted end suction Long Coupled Pumps for outdoor application and pump will having following accessories, Butterfly valve on suction and discharge each, Two pressure gauges, Spring vibration isolators on both suction and discharge and Non return valve on discharge. Individual skid for pump Pipe work, accessories, pumps shall be suitable for PN-16 rating, complete with motor, drain valves and other accessories. The motor selected shall be energy efficient having efficiency above 90% at full load & minimum efficiency of pump shall be 70%. Pumps shall have mechanical seal and MS casing & Bronze Impeller, SS Shaft. The pump motor shall be 4 Pole - 1440 rpm of IE-2 class efficiency, TEFC Squirrel cage class -F insulation, suitable for 415 Volts ± 10%, 50 cycles, 3 phase power supply. Vendor shall be provide with antivibration arrangement for pumps. It should be designed that the complete unit is balanced & free from vibrations with necessary vibration isolations whereever required. The pump be capable of delivering Water flow rate 375 USGPM ( 1425 LPM ) & at Head 25 mtr.. The scope shall include 19 mm thick polyviny nitrile rubber insulation duly cladded between aluminium sheets of 0.5 mm thickness and properly clamped to pump & Antivibration pads over RCC / cement floor complete etc as required.(Minimum 25HP) KIRLOSKAR / ARMSTRONG / GRUNDFOSS / KSB

Supplying, fixing, testing and commissioning of following valves in the chilled water plumbing line, pre-insulated to the same specifications as the connected piping and adequately supported as per specifications etc complete as required.(Suitable for PN 1.6). Make: CR Valves/ Audco/ Advance/ Leader/ Inter valve/ Kirloskar BALANCING VALVE WITH BUILT IN MEASURING FACILITY of 200 mm