Tender For Supply, Installation, Testing And Commissioning Of Heat Pump Based Water Heating System At Iiitd Campus At Okhla-Iii New Delhi-110020 A) AIR COOLED HEAT PUMP FOR GENERATING HOT WATER 1 Providing, fixing, testing and commissioning of Heat pumps using energy heat source from ambient air to Hot water, of High efficiency and energy saving operation, capable of heating water at 55⁰ to 60⁰ C with silent operation (the sound level should not exceed 65 dB). The Heat Pump shall have LCD display control panel with built in diagnostic and troubleshooting information and an inbuilt cycle for defrosting in case icing occurs on evaporator including all other mounting, fitting and controls, all interconnecting wiring/cabling between heat pump and electric panel etc complete in all respect with but not limited to following specifications. TECHNICAL SPECIFICATIONS FOR EACH UNIT i) Hot water rated output volume - 1500 Ltr/Hr ii) Power Supply V/Ph/Hz : 400~440V/3 PH/50Hz iii) Suggested Maximum output water temperature in Deg C : 55 ⁰ to 60⁰ C iv) ambient temperature range in Deg C : -5 ⁰C~43 ⁰C v) Type of Fan : Low Noise axial fan vi) Suggested Noise level: DBA <63 vii) Suggested COP: 4.62 (Technical detail as per attached Annexure - I to be filled. Technical details and shop drawings to be approved before procurement) No of Pumps (2 W+1S) Nos. 3 2 Hot Water Storage Tank Providing, fixing ,testing and commissioning the Hot Water Storage Tank of following Capacity consisting of S.S 304 cylindrical shape clarifier tank. (inlet temperature of hot water storage tank 60-65 deg.C) suitable for minimum 4 Kg /Sqm working pressure. Tank shall be provided with water flow meter, inlet / outlet, overflow, drain connection with MH cover, 6 mm thick SS tank, pressure relief valves, pressure gauge at inlet / outlet with isolation cock, thermometer at inlet / outlet, ball Valve, safety valve,check valve etc. The complete system to be tested to a pressure of 10 Kg/cm2 complete in all respects including temperature indicatiors, thermostat and other required accessories. Tank shall be insulated with 100 mm thick crown 150 grade & 50 mm rock wool pads of approved quality and cladded with 24 SWG aluminium sheet cladding. TANK CAPACITY - 6500 Ltr. Nos. 2 3 Hot Water Recirculation Pumps in Heat pump and tank. Providing, fixing ,testing and commissioning suitable complete horizontal/ vertical multistage centrifugal pumping set having stainless steel (SS 304) impellers & shaft and single mechanical seal with pumps suitable for 415 Volts, 3 Phase 50 cycles A.C Supply complete with all standard accessories including , M.S.channel, base plate complete with vibration isolators, isolating valve on suction and discharge, non return valve on discharge, pressure gauges with stop cock and dial type thermometer on suction or discharge.(suitable for hot water temperature up to 85 deg C.) The pump 3 No (2 working+1standby) complete with Control Unit Panel for automatic Cold & Hot water circulation, manifolds , as per the approval of Project-in-charge complete with base frame, necessary foundation as per requirement No of Pump - 3 (2W+1S) Flow - 1500 LPH Per Pump Head - 15 M 4 Hot water Return pump Providing, fixing ,testing and commissioning suitable complete horizontal/ vertical multistage centrifugal pumping set having stainless steel (SS 304) impellers & shaft and single mechanical seal with pumps suitable for 415 Volts, 3 Phase 50 cycles A.C Supply complete with all standard accessories including , M.S.channel, base plate complete with vibration isolators, isolating valve on suction and discharge, non return valve on discharge, pressure gauges with stop cock and dial type thermometer on suction or discharge.(suitable for hot water temperature up to 85 deg C.) The pump 3 No (2 working+1standby) complete with Control Unit Panel for automatic Cold & Hot water circulation, manifolds , as per the approval of Project-in-charge complete with base frame, necessary foundation as per requirement. No of Pump - 3(2W+1S) Flow - 1500 LPH Per Pump Head - 15 M Set 1 5 COLD WATER SUPPLY PUMP Supply, Installation, Testing & Commissioning of complete composite hydropneumatic system consisting of horizontal /vertical multistage centrifugal pump having stainless steel SS-304 stage casing and SS 304 impellers with stainless steel SS-304 shaft as per IEC standards and GJL250 cast iron suction & discharge casing with single mechanical seal and pressurised tank of suitable capacity as per manufacturer calculation, complete with all standard accessories including pressure switch, pressure gauges, non-return & isolating valves on suction and delivery side with nuts, bolts & washer including mild steel flanges, where ever required with 3 mm thick rubber insertion, with necessary protection and operational devices i.e alternate pumping operation and shut-off during dry running conditions etc. with suitable electrical motor to be operated on 210/220 OR 400/440 volt 50 cycle AC supply, suitable for following duty and with total no. of pumps - 3 nos.(2 working+1standby) complete with Control Unit Panel, manifolds & chassis, as per the approval of Project-in-charge complete complete with M.S fabricated base frame, nuts and bolts bolted to cement concrete foundations complete as per requirement. No of Pump - 3(2W+1S) Flow - 1500 LPH Per Pump Head - 15 M Set 1 6 Electrical Panel: Providing, fixing ,testing and commissioning for M.S fabricated power coated electrical control panel main switch Ampere Voltage Frequency indicator cum controller, MCCB for Heat pump, DOL Starter for recirculation pump and Hot water Return pump & Hydropneumatic Pump for with contactors and over load relay, ON/OFF switch Heat pumps and recirculation pumps. 63 amp rating TP Module case circuit brakers with neutral link, 4 Bars tinned Aluminium bus bar, LED Type induction light, TIC (temperature indicator controller for tank with sensor), 63 amp TPA MCCB for heat pump with indicators, Auto dual starter motor and pump. Each shall have Auto / Manually selected switch overload relay, single /three phasing preventor, ON/OFF trip indicator lamp and timer for recirculation pump,Hot water return pump& cold water supply pump complete in all respects and other accessories to make the item operationable. A) AIR SOURCE HEAT PUMP FOR GENERATING HOT WATER 1 Providing, fixing, testing and commissioning of Heat pumps using energy heat source from ambient air to Hot water, of High efficiency and energy saving operation, capable of heating water at 55⁰ to 60⁰ C with silent operation (the sound level should not exceed 65 dB). The Heat Pump shall have LCD display control panel with built in diagnostic and troubleshooting information and an inbuilt cycle for defrosting in case icing occurs on evaporator including all other mounting, fitting and controls, all interconnecing wiring/cabling between heat pump and electric panel etc complete in all repsect with but not limited to following specifications. TECHNICAL SPECIFICATIONS FOR EACH UNIT i) Hot water rated ouput volume - 700 Ltr/Hr ii) Power Supply V/Ph/Hz : 400~440V/3 PH/50Hz iii) Suggested Maximum output water temperature in Deg C : 55 ⁰ to 60⁰ C iv) ambient temperature range in Deg C : -4 ⁰C~43 ⁰C v) Type of Fan : Low Noise axial fan vi) Suggested Noise level: DBA <63 vii) Suggested COP: 4.62 (Technical detail as per attached Annexure - I to be filled. Technical details and shop drawings to be approved before procurement) No of Pumps (1 W+1S) Nos. 2 2 Hot Water Storage Tank Providing, fixing ,testing and commissioning the Hot Water Storage Tank of following Capacity consisting of S.S 304 cylindrical shape clarifier tank. (inlet temperature of hot water storage tank 60- 65 deg.C) suitable for minimum 4 Kg /Sqm working pressure. Tank shall be provided with water flow meter, inlet / outlet, overflow, drain connection with MH cover, 6 mm thick SS tank, pressure relief valves, pressure gauge at inlet / outlet with isolation cock, thermometer at inlet / outlet, ball Valve, safety valve,check valve etc. The complete system to be tested to a pressure of 10 Kg/cm2 complete in all respects including temperature indicatiors, thermostat and other required accessories. Tank shall be insulated with 100 mm thick crown 150 grade & 50 mm rock wool pads of approved quality and cladded with 24 SWG aluminium sheet cladding. TANK CAPACITY - 4000 Ltr. Nos. 1 3 Hot Water Recirculation Pumps in Heat pump and tank. Providing, fixing ,testing and commissioning suitable complete horizontal/ vertical multistage centrifugal pumping set having stainless steel (SS 304) impellers & shaft and single mechanical seal with pumps suitable for 415 Volts, 3 Phase 50 cycles A.C Supply complete with all standard accessories including , M.S.channel, base plate complete with vibration isolators, isolating valve on suction and discharge, non return valve on discharge, pressure gauges with stop cock and dial type thermometer on suction or discharge.(suitable for hot water temperature up to 85 deg C.) The pump 2 No (1 working+1standby) complete with Control Unit Panel for automatic Cold & Hot water circulation, manifolds , as per the approval of Project-in-charge complete with base frame, necessary foundation as per requirement No of Pump - 2 (1W+1S) Flow - 1000 LPH Per Pump Head - 15 M Set 1 4 Hot Water Return Pump Providing, fixing ,testing and commissioning suitable complete horizontal/ vertical multistage centrifugal pumping set having stainless steel (SS 304) impellers & shaft and single mechanical seal with pumps suitable for 415 Volts, 3 Phase 50 cycles A.C Supply complete with all standard accessories including , M.S.channel, base plate complete with vibration isolators, isolating valve on suction and discharge, non return valve on discharge, pressure gauges with stop cock and dial type thermometer on suction or discharge.(suitable for hot water temperature up to 85 deg C.) The pump 2 No (1 working+1standby) complete with Control Unit Panel for automatic Cold & Hot water circulation, manifolds , as per the approval of Project-in-charge complete with base frame, necessary foundation as per requirement No of Pump - 2(1W+1S) Flow - 1000 LPH Per Pump Head - 15 M Set 1 5 Hydro pneumatic Pump Supply, Installation, Testing & Commissioning of complete composite hydropneumatic system consisting of horizontal /vertical multistage centrifugal pump having stainless steel SS-304 stage casing and SS 304 impellers with stainless steel SS-304 shaft as per IEC standards and GJL250 cast iron suction & discharge casing with single mechanical seal and pressurised tank of suitable capacity as per manufacturer calculation, complete with all standard accessories including pressure switch, pressure gauges, non-return & isolating valves on suction and delivery side with nuts, bolts & washer including mild steel flanges, where ever required with 3 mm thick rubber insertion, with necessary protection and operational devices i.e alternate pumping operation and shut-off during dry running conditions etc. with suitable electrical motor to be operated on 210/220 OR 400/440 volt 50 cycle AC supply, suitable for following duty and with total no. of pumps - 2 nos.(1 working+1standby) complete with Control Unit Panel, manifolds & chassis, as per the approval of Project-in-charge complete complete with M.S fabricated base frame, nuts and bolts bolted to cement concrete foundations complete as per requirement. No of Pump - 2(1W+1S) Flow - 1000 LPH Per Pump Head - 15 M Set 1 6 Electrical Panel: Providing, fixing ,testing and commissioning for M.S fabricated power coated electrical control panel main switch Ampere Voltage Frequency indicator cum controller, MCCB for Heat pump, DOL Starter for recirculation pump and Hot water Return pump & Hydropneumatic Pump for with contactors and over load relay, ON/OFF switch Heat pumps and recirculation pumps. 63 amp rating TP Module case circuit brakers with neutral link, 4 Bars tinned Aluminium bus bar, LED Type induction light, TIC (temperature indicator controller for tank with sensor), 63 amp TPA MCCB for heat pump with indicators, Auto dual starter motor and pump. Each shall have Auto / Manually selected switch overload relay, single /three phasing preventor, ON/OFF trip indicator lamp and timer for recirculation pump,Hot water return pump& cold water supply pump complete in all respects and other accessories to make the item operationable.
