SITC of HVAC system at New High Court Rakh Gund Aksha

AHRI / EUROVENT CERTIFIED AIR COOLED SCREW REVERSIBLE HEAT PUMP Supply, installation , testing & commissioning of BMS compatible Micro Processor Controlled Reversible Air-cooled Twin/ mono rotor Screw Heat Pump delivering actual capacity as per the following parameters duly installed at site. The Heat Pump should be complete with multiple semi-hermetic screw compressors (min 2) with independent circuit, Electronic Expansion Valve, Air Cooled Condenser coil with Copper tube, aluminum fins having anticorrosive coating from factory (salt Spray of 10,000 hours as per ASTM B117) & condenser fans as per OEM on the condenser , Shell and Tube with anti freeze heater, anitvibration spring isolators, Electrical panel with disconnect switch mounted on the heat pump including the disconnect switch suitable for 50 Hz, 3 phase 415 volts,ac supply. Refrigerant circuit to include liquid line drier filter with replaceable solid cartridge, liquid line sight glass, EEV, 4- way reversing valve, high pressure safety valve, high & lower pressure transducers, high and low pressure switches, etc. The heat pump shall be suitable for operation on environment friendly refrigerant R134a and shall come factory charged with refrigerant.The heat pump shall have fully automatic defrost cycle. Each refrigerant circuit shall be fitted with: - Electronic Expansion Valve - High and Low Pressure Transducers - High Pressure Switches - High and Low Pressure Safety Valve - liquid line shut off device - NRV in compressors discharge line - compressor discharge valve - liquid line shut off valve - crankcase heater on each compressor - liquid receivers - liquid separators - differential pressure switch, water side - antifreeze electric heater for heat exchangers The price quoted for unit shall be in equivalent INR only, CIF Port Basis, inclusive of transit insurance, transportation upto Port etc. Installation, testing & commissioning of m/c including, loading & unloading, lifting & shifting etc .FOR HOT WATER DURING WINTER (HEATING MODE):-Actual Heating Capacity at below parameters:- 750KW.Medium - Glycol (Water with 10% Conc. Ethylene Glycol to avoid freezing in standby Heat pumps).Design Ambient Temperature in winter: -10° C.Hot water OUT: 50°C .Hot water IN: 45°C (Design Condition) .Fouling factor-water side (FPS): 0.0005 Pressure Drop across Heat Exchanger: 5m max.. FOR COLD WATER DURING SUMMER (COOLING):-Min. Cooling capacity at below parameters:- 300TR .Design Ambient Temperature in Summer: 35° C.Cold water IN: 13.3°C Cold water OUT: 6.67°C .Fouling factor-water side (FPS): 0.0005. Heat Pump shall be able to run upto 46° C (with deration).Pressure Drop across Heat Exchanger: 5m max. Cooling COP (including fans) at AHRI condition shall not less than 2.8. Witness Testing at Factory before dispatch of 1 No. Heat Pump - 4 points in Cooling Mode (100%, 75%, 50% and 25% at Constant Ambient Conditions) and 1 point in Heating mode - 100% with ambient of 7 Deg. C Heat Pump as defined above

Primary Chilled Water Pump set (Fixed speed) Supply, installation , testing & commissioning of Horizontal End Suction, Centrifugal, Single stage, Foot mounted volute type radial split casing, top discharge with back pull out design, primary chilled water pumps set complete with, Cast iron casing, Lead free bronze impeller, an internally-flushed mechanical seals and close coupled with stainless steel stub shaft arrangement with electric motor for re-circulation of chilled water circulation.The liquid cavity shall be sealed off at the pump shaft by an internally-flushed mechanical seals ensure maximum seal face lubrication, heat dissipation and debris removal without vulnerable external flush tubing and with carbon seal seat vs Silicon carbide seal ring, suitable for continuous operation at 248 Deg F (120 Deg C). The pump casing shall be fitted with a renewable type case wear ring to maintain close running clearance, minimize leakage and recirculation losses and to minimize abrasive and corrosive wear to the casing. The case wear ring shall be of the radial type, press fitted in to the casing. Casing wear ring shall be lead free bronze or stainless Steel with smooth surface finish for minimum frictional loss. All impellers shall be dynamically balanced according to ISO 1940-1: Grade G6.3 and hydraulically balanced to increase the life of motor bearings and shaft seal by minimizing axial loads. Pump shaft and stub shaft shall be stainless steels. Bearings shall be so designed as to take the necessary radial load as well as the net hydraulic axial thrust. The pump(s) vibration limits shall conform to ISO 5199. Pump should comply to ASHRAE 90.1. The pump motor shall be TEFC squirrel cage induction motor having efficiency class IE3 (as per IEC 60034) with class 'F' insulation, 1500/2900 RPM synchronous speed, operating on 415 V +/- 10%, 3 phase, 50 Hz AC supply. The motor shall be non- overloading type. Pumps will be with performance characteristics as given below. The pump and motor shall be mounted on a common base plate. All external and exposed cast iron parts of pumps should have an epoxy-based coating made in a cathodic electro-deposition (CED) process. Pump set shall be complete with thermal insulation same as chilled water pipes, aluminium cladding at suction and discharge, necessary anti vibration pads, MS base plate, and all other accessories complete as required.Pump material and operating conditions are given here under: Type : End suction, Back pull-out, Close coupled Casing : Grey cast iron (EN-GJL-250) CED Coated Impeller : Lead free cast Bronze (CuSn10) Flow rate of each pump : 615 USGPM Head : 12 Mtr Efficiency (min) : 80% Pump need to be insulated at site with same material as of pipe insulation and cost of the same shall be included in this item. Pumps complete in all respect

Secondary Chilled/Hot Water Variable speed Pump set Supply, installation , testing & commissioning of Horizontal End Suction, Centrifugal, Single stage, Foot mounted volute type radial split casing, top discharge with back pull out design, secondary chilled water pumps set complete with, Cast iron casing, Lead free bronze impeller, an internally-flushed mechanical seals and close coupled with stainless steel stub shaft arrangement with electric motor for re-circulation of chilled water circulation. The liquid cavity shall be sealed off at the pump shaft by an internally-flushed mechanical seals ensure maximum seal face lubrication, heat dissipation and debris removal without vulnerable external flush tubing and with carbon seal seat vs Silicon carbide seal ring, suitable for continuous operation at 248 Deg F (120 Deg C). The pump casing shall be fitted with a renewable type case wear ring to maintain close running clearance, minimize leakage and recirculation losses and to minimize abrasive and corrosive wear to the casing. The case wear ring shall be of the radial type, press fitted in to the casing. Casing wear ring shall be lead free bronze or stainless Steel with smooth surface finish for minimum frictional loss. All impellers shall be dynamically balanced according to ISO 1940-1: Grade G6.3 and hydraulically balanced to increase the life of motor bearings and shaft seal by minimizing axial loads. Pump shaft and stub shaft shall be stainless steels. Bearings shall be so designed as to take the necessary radial load as well as the net hydraulic axial thrust. The pump(s) vibration limits shall conform to ISO 5199. Pump should comply to ASHRAE 90.1. The pump motor shall be TEFC squirrel cage induction motor having efficiency class IE3 (as per IEC 60034) 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 will be with performance characteristics as given below. The pump and motor shall be mounted on a common base plate. All external and exposed cast iron parts of pumps should have an epoxy-based coating made in a cathodic electro-deposition (CED) process. Pump set shall be complete with thermal insulation same as chilled water pipes, aluminium cladding at suction and discharge, necessary anti vibration pads, MS base plate, and all other accessories complete as required.Pump material and operating conditions are given here under: Type : End suction, Back pull-out, Close coupled Casing : Grey cast iron (EN-GJL-250) CED Coated Impeller : Lead free cast Bronze (CuSn10) Flow rate of each pump : 1325 USGPM Head : 35 Mtr Efficiency (min) : 80% Pump need to be insulated at site with same material as of pipe insulation and cost of the same shall be included in this item. Set of 3Nos. Pumps (2W+1S)

Variable Speed Pumping System (Secondary chilled water pumps) Supply, installation, testing and commissioning of VARIABLE SPEED PUMPING SYSTEM consisting of variable speed secondary chilled water pumps as per above with matching VFDs , Dedicated micro processor based pump logic controller UL listed - designed for Variable Primary Chilled water pumping with parallel pumping software duly downloaded, compatible with Modbus communication, 4.3 inch touch display, provision to connect 3 nos of transmitters/ Sensors for controlling pumps, as per followings. Variable Frequency Drive with Hand-off /Auto macro designed for pumping application Parallel Pumping software duly downloaded pump controller Panel suitable for outdoor installation with canopy (IP 55) panel Transmitters/ Sensors for Variable pumps with suitable thermowells.

Radiant Chilled/ Hot Water Variable Speed Pumps Set Supply, installation , testing & commissioning of Horizontal End Suction, Centrifugal, Single stage, Foot mounted volute type radial split casing, top discharge with back pull out design, primary chilled water pumps set complete with, Cast iron casing, Lead free bronze impeller, an internally-flushed mechanical seals and close coupled with stainless steel stub shaft arrangement with electric motor for re-circulation of Condenser water circulation. The liquid cavity shall be sealed off at the pump shaft by an internally-flushed mechanical seals ensure maximum seal face lubrication, heat dissipation and debris removal without vulnerable external flush tubing and with carbon seal seat vs Silicon carbide seal ring, suitable for continuous operation at 248 Deg F (120 Deg C). The pump casing shall be fitted with a renewable type case wear ring to maintain close running clearance, minimize leakage and recirculation losses and to minimize abrasive and corrosive wear to the casing. The case wear ring shall be of the radial type, press fitted in to the casing. Casing wear ring shall be lead free bronze or stainless Steel with smooth surface finish for minimum frictional loss. All impellers shall be dynamically balanced according to ISO 1940-1: Grade G6.3 and hydraulically balanced to increase the life of motor bearings and shaft seal by minimizing axial loads. Pump shaft and stub shaft shall be stainless steels. Bearings shall be so designed as to take the necessary radial load as well as the net hydraulic axial thrust. The pump(s) vibration limits shall conform to ISO 5199. Pump should comply to ASHRAE 90.1. The pump motor shall be TEFC squirrel cage induction motor having efficiency class IE3 (as per IEC 60034) 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 will be with performance characteristics as given below. The pump and motor shall be mounted on a common base plate. All external and exposed cast iron parts of pumps should have an epoxy-based coating made in a cathodic electro-deposition (CED) process. Pump set shall be complete with thermal insulation same as chilled water pipes, aluminium cladding at suction and discharge, necessary anti vibration pads, MS base plate, and all other accessories complete as required.Pump material and operating conditions are given here under: Heat Pump Side : Type : End suction, Back pull-out, Close coupled Casing : Grey cast iron (EN-GJL-250) CED Coated Impeller : Lead free cast Bronze (CuSn10) Flow rate of each pump : 1100 USGPM Head : 15 Mtr Efficiency (min) : 80% Pump need to be insulated at site with same material as of pipe insulation and cost of the same shall be included in this item. Set of 3Nos. Pumps (2W+1S)

Variable Speed Pumping System Supply, installation, testing and commissioning of VARIABLE SPEED PUMPING SYSTEM consisting of variable speed secondary chilled water pumps as per above with matching VFDs , Dedicated micro processor based pump logic controller UL listed - designed for Variable Primary Chilled water pumping with parallel pumping software duly downloaded, compatible with Modbus communication, 4.3 inch touch display, provision to connect 3 nos of transmitters/ Sensors for controlling pumps, as per followings. Variable Frequency Drive with Hand-off /Auto macro designed for pumping application Parallel Pumping software duly downloaded pump controller Panel suitable for outdoor installation with canopy (IP 55) panel Transmitters/ Sensors for Variable pumps with suitable thermowells.

Radiant Chilled/ Hot Water Variable Speed Pumps Set Supply, installation , testing & commissioning of Horizontal End Suction, Centrifugal, Single stage, Foot mounted volute type radial split casing, top discharge with back pull out design, primary chilled water pumps set complete with, Cast iron casing, Lead free bronze impeller, an internally-flushed mechanical seals and close coupled with stainless steel stub shaft arrangement with electric motor for re-circulation of Condenser water circulation. The liquid cavity shall be sealed off at the pump shaft by an internally-flushed mechanical seals ensure maximum seal face lubrication, heat dissipation and debris removal without vulnerable external flush tubing and with carbon seal seat vs Silicon carbide seal ring, suitable for continuous operation at 248 Deg F (120 Deg C). The pump casing shall be fitted with a renewable type case wear ring to maintain close running clearance, minimize leakage and recirculation losses and to minimize abrasive and corrosive wear to the casing. The case wear ring shall be of the radial type, press fitted in to the casing. Casing wear ring shall be lead free bronze or stainless Steel with smooth surface finish for minimum frictional loss. All impellers shall be dynamically balanced according to ISO 1940-1: Grade G6.3 and hydraulically balanced to increase the life of motor bearings and shaft seal by minimizing axial loads. Pump shaft and stub shaft shall be stainless steels. Bearings shall be so designed as to take the necessary radial load as well as the net hydraulic axial thrust. The pump(s) vibration limits shall conform to ISO 5199. Pump should comply to ASHRAE 90.1. The pump motor shall be TEFC squirrel cage induction motor having efficiency class IE3 (as per IEC 60034) 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 will be with performance characteristics as given below. The pump and motor shall be mounted on a common base plate. All external and exposed cast iron parts of pumps should have an epoxy-based coating made in a cathodic electro-deposition (CED) process. Pump set shall be complete with thermal insulation same as chilled water pipes, aluminium cladding at suction and discharge, necessary anti vibration pads, MS base plate, and all other accessories complete as required.Pump material and operating conditions are given here under: Heat Pump Side Building Side : Type : End suction, Back pull-out, Close coupled Casing : Grey cast iron (EN-GJL-250) CED Coated Impeller : Lead free cast Bronze (CuSn10) Flow rate of each pump : 1100 USGPM Head : 35 Mtr Efficiency (min) : 80% Pump need to be insulated at site with same material as of pipe insulation and cost of the same shall be included in this item. Set of 3Nos. Pumps (2W+1S)

Variable Speed Pumping System Supply, installation, testing and commissioning of VARIABLE SPEED PUMPING SYSTEM consisting of variable speed secondary chilled water pumps as per above with matching VFDs , Dedicated micro processor based pump logic controller UL listed - designed for Variable Primary Chilled water pumping with parallel pumping software duly downloaded, compatible with Modbus communication, 4.3 inch touch display, provision to connect 3 nos of transmitters/ Sensors for controlling pumps, as per followings. Variable Frequency Drive with Hand-off /Auto macro designed for pumping application Parallel Pumping software duly downloaded pump controller Panel suitable for outdoor installation with canopy (IP 55) panel Transmitters/ Sensors for Variable pumps with suitable thermowells.

PLATE HEAT EXCHANGER Supply, installation, testing and commissioning of plate type heat exchanger (water to water type) with SS: 316 plates, 0.5 mm thickness & nozzles of SS: 304. Plate Heat exchanger shall be designed as per ASME standard for maximum working pressure of 16 bar and Test Pressure of 20.8 Bar. Plate Heat exchanger shall be provided with inlet/outlet connections with flanges, MS frame, & all other standard accessories & fittings. The Heat exchanger performance shall be as follows: Max. allowed Pressure drop-6Mtr. Inlet Dia and outlet dia will be same as pipe connection. During Winter Building side Flow Rate : 1100 GPM Inlet Temp : 40.0 °C Outlet Temp : 45.0°C Heat Pump side Flow Rate : 1100 GPM Inlet Temp : 50.0 °C Outlet Temp : 45.0°C During Summer Building side Flow Rate : 1100 GPM Inlet Temp : 18.0 °C Outlet Temp : 13.0°C Heat Pump side Flow Rate : 1100 GPM Inlet Temp : 6.67 °C Outlet Temp : 13.3°C PHE as above (2 working +1 standby)

Chiller Plant Room Manager Supply, Installation, Testing and Commissioning of AC Plant manager cum optimiser complete in all respect as required. Plant room manager shall be of same make as chillers and as per OEM specification. Plant Room Manager shall be suitable for sequencing & remote monitoring, controlling and report generation of all equipments in AC plant room/high side. Selected controller shall have capacity to meet detailed IO summary mentioned under specifications. Supervisory controller for management level interface in MS Enclosure, SWG thickness, powder coated Siemens grey for Supervisory Controller, IO Cards (with accessories like Transformer, MCBs, internal wiring and Relays with bases). Workstation computer with required hard disk, monitor, key board, mouse, serial and parallel ports with laser colour printer. This must have software integration on chillers with 3rd party interface available on BACNET including cabling & conduit work as required with card. Plant room manager cum optimiser for sequencing, remote monitoring, controlling and report generation of all equipments in AC plant room/high side shall be provided. This must have software integration on chillers with 3rd party interface available on BACNET including cabling & conduit work as required with card. Price shall be inclusive of all hardwares, filed devices and software required Plant manager shall be capable to control:- 7x750KW Air cooled Heat Pumps with VFD, 7Nos. Primary pumps, 9Nos. Variable speed pumps, motorized valves & all field devices etc. Future Provision to be kept for 2x750KW Air cooled Heat Pumps with VFD, 2Nos. Primary pumps, 6Nos. Variable speed pumps, motorized valves & all field devices etc. Plant Room Manager as described above