PROVISION OF REFRIGERATION AND AIR CONDITIONING IN CERTAIN IGLOOS UNDER GE (AF) GURGAON NO.1

Amount

SCHEDULE 'A' PART I (AIR CONDITIONING WORKS) AC PLANT FOR IGLOO NO. 1, 2, 16,17

Supply, installation, testing and commissioning of AHRI / EUROVENT certified water cooled Scroll type water chilling machine each having a minimum capacity of 60 TR (actual) with Single / Multiple Compressors independent circuit with hermatic sealed scrolled type compressor suitable for R410A/R407C refrigant delivering actual capacity as per the following parameters duly installed at site complete all as specified and all as directed. (a) The chiller unit should be complete with semi hermetic / hermetic sealed scrolled type compressor, electronic expansion valve, shell and tube water cooled condenser, DX/Flooded insulated shell and tube evaporator including victaulic couplings(Inlet/outlet) complete with flanged end piping connections also with water flow switch at the chiller, BMS interface unit Modbus, Interconnected refrigerant copper piping, R410A /R407C Pre Charged Refrgierant. (b) A factory assembled with starter panel mounted on the chiller including the disconnect switch suitable for 50 Hz, 3 phase 360v to 415v, AC supply.

(c) The unit shall have filter dryer, pressure switch i.e. HP/LP and electronic thermostst. (d) The Unit mounted starter panel with double door construction shall be single power point type complete with IP 55 degree of protection, consisting of power disconnecting switches with fuses/ MCCBs,sStar delta starters for motors and condenser fan motors complete with under/over voltage and phase reversal protection, single phase preventers, communication card which can accept 4-20 mA or 2-10 V dc analog signal, compressor restart protection,10sec time delay between system and 5°C anti freeze protection. (e) Automatic and safety control mounted in central console electronic Micro Processor Plant Manager all as supplied by OEM as part of chiller package comptiable with building control unit for Integration with external building managment system. (f) Lubrication device consisting of automatic electric oil pump, oil cooler, head tank, oil strainer, and automatic pressure regulating valve, oil heater, oil heater thermal switch etc. as per specifications. (g) The Neoprene Pad type Vibration Isolators shall be provided alongwith chillers. (h) Chiller shall be factory tested at design conditions at 100%, 75%, 50% and 25% load. (j) The unit shall be tested as per ARI 550/590- standard. (k) Chilling machine described above, as per specifications and complete in all respects for the operating parameters as given under:- Location : GURGAON 101°F Ambient condition Nominal Cooling Capacity as per catalogue: 65 TR ( 2W + 1S) Actual minimum cooling capacity required : 119.22 TR @ Local Ambient conditions Condenser : Cooling Water Inlet Temp - 29.44°C Cooling Water Outlet Temp - 34.61°C Condenser Fouling Factor - As per AHRI Condenser water flow :190 USGPM Max Pressure Drop: 4.0 m

Chiller: Chilled Water Inlet Temp - 12.22°C Chilled Water Outlet Temp - 6.67°C Chiller Fouling Factor - As per AHRI Chilled water flow : 160 USGPM Max Pressure Drop: 3.0 m COP : Minimum COP as per ECBC Guidelines - 4.9 Minimum COP at AHRI Relief - 4.7 Load : Maximum IkW/TR at ARI conditions -0.75 Minimum IPLV at AHRI Relief - 5.49 Sound Pressure Level @ 3m - 75 db(A) Note:- (a) Rate for chiller machine foundation as per manufacturer/OEM recommendation are deemed to be included in quoted rate of unit. (b) The required capacity of chiller machine is 60TR minimum. In the event of water cooled scroll chiller machine cap 60TR not available under standard capacity or not manufactured by any approved manufacturer, the next capacity shall be provided by contractor with the prior approval without incurring any extra cost to department. Necessary documents in support of non-availability shall be submitted from at least any three approved makes mentioned in Appendix 'B' to particular specification.

AC PLANT FOR IGLOO NO. 10,11,12

Supply, installation, testing and commissioning of AHRI / EUROVENT certified water cooled Scroll type water chilling machine each having a minimum capacity of 45 TR (actual) with Single / Multiple Compressors independent circuit with hermatic sealed scrolled type compressor suitable for R410A/R407C refrigant delivering actual capacity as per the following parameters duly installed at site complete all as specified and as directed. (a) The chiller unit should be complete with semi hermetic / hermetic sealed scrolled type compressor, electronic expansion valve, shell and tube water cooled condenser, DX/Flooded insulated shell and tube evaporator including victaulic couplings(Inlet/outlet) complete with Flanged End Piping Connections also with Water Flow Switch at the chiller, BMS interface unit Modbus, Interconnected Refrigerant Copper Piping, R410A /R407C Pre Charged Refrgierant.

(b) A factory assembled with starter panel mounted on the chiller including the disconnect switch suitable for 50 Hz, 3 phase 360v to 415v,ac supply. (c) The unit shall have filter dryer, pressure switchi.e HP/LP and electronic thermostst. (d) The Unit mounted starter panel with double door construction shall be single power point type complete with IP 55 degree of protection, consisting of power disconnecting switches with fuses/ MCCBs, Star Delta starters for Motors and condenser Fan Motors complete with Under/Over voltage and phase reversal protection, Single Phase Preventers, communication card which can accept 4-20 mA or 2-10 V dc analog signal, compressor restart protection, 10sec time delay between system and 5°C anti freeze protection. (e) Automatic and safety control mounted in central console electronic Micro Processor Plant Manager all as supplied by OEM as part of Chiller Package comptiable with building control Unit for Integration with External Building Mangment System. (f) Lubrication device consisting of automatic electric oil pump, oil cooler, head tank, oil strainer and automatic pressure regulating valve, oil heater, oil heater thermal switch etc. as per specifications. (g) The Neoprene Pad type Vibration Isolators shall be provided alongwith chillers. (h) Chiller shall be factory tested at design conditions at 100%, 75%, 50% and 25% load. (j) The unit shall be tested as per ARI 550/590- standard. (k) Chilling machine described above, as per specifications and complete in all respects for the operating parameters as given under:- Location : GURGAON 101°F Ambient condition Nominal Cooling Capacity as per catalogue: 45 TR ( 2W + 1S) Actual minimum cooling capacity required : 90.00 TR @ Local Ambient conditions

Condenser : Cooling Water Inlet Temp - 29.44°C Cooling Water Outlet Temp - 34.61°C Condenser Fouling Factor - As per AHRI Condenser water flow : 143 USGPM Max Pressure Drop: 4.0 m Chiller: Chilled Water Inlet Temp - 12.22°C Chilled Water Outlet Temp - 6.67°C Chiller Fouling Factor - As per AHRI Chilled water flow : 120 USGPM Max Pressure Drop: 3.0 m COP : Minimum COP as per ECBC Guidelines - 4.9 Minimum COP at AHRI Relief - 4.7 Load : Maximum IkW/TR at ARI conditions -0.75 Minimum IPLV at AHRI Relief - 5.49 Sound Pressure Level @ 3m - 75 db(A) Note:- (a) Rate for chiller machine foundation as per manufacturer/OEM recommendation are deemed to be included in quoted rate of unit. (b) The required capacity of chiller machine is 45TR minimum.In the event of water cooled scroll chiller machine cap 45TR not available under stanadard capacity or not manufactured by any approved manufacturer, the next capacity shall be provided by contractor with the prior approval without incurring any extra cost to department. Necessary documents in support of non availability shall be submitted from atleast any three approved makes mentioned in particular specification.

Design, supply, installation, testing and commissioning of close coupled, single stage, centrifugal, end suction with backpull out design chilled water centrifugal pump sets (primary) with bronze impeller complete with TEFC Sq. Cage induction motor with class "F" insulation, base plate, coupling guard, vibration isolators, SS Shaft, factory fitted mechanical seal, flexible pipe connector at inlet and outlet etc. conforming to technical specification and as per following parameters complete all as specified and as directed. (a) The pumps shall be centrifugal type direct driven with a 3 phase, 415 ±10%volts, 50 Hz., A.C. motor. (b) The motor for Chilled Water Pumps shall be suitable for use with Variable Frequency Drive. (c) The efficiency class of motors shall be IE 3 class as per IS 12615. (d) The chilled water pumps shall be duly insulated with Expanded polystyrene (TF quality) 50mm thickness shall be sandwiched between two aluminium sheets of 0.5mm thickness and properly clamped to pump in two semicircular sections. (e) The cost of thermal insulation deemed to be included in item cost. (f) The pumps are constant speed pump suitable for the given duty points each of 100 % capacity (Out of Three pumps, two will be working and one will be stand by) (Primary water Pump)

(g) Water Quantity : 160 USGPM (36 M³/Hr.) approx (h) Static Head- 20.00 Mtrs. (j) Speed-1450 RPM (k) Overall Efficiency => 85% (l) Pump/Motor Body - CI and Base Frame - Fabricated MS (m) Foundation - RCC/PCC Foundation as per OEM Recommendations. Note:- (i) The contractor to verify pump head as per actual site condition and submit pump data sheet for approval of GE before procurement. (ii) Rubber bellows shall be provided on suction and discharge sides for vibration isolation. (iii) 2 Nos 100 mm dia dial type pressure gauges for inlet/outlet shall also be provided. (iv) The quoted rates for the item deemed to be included all above including pump foundation as per manufacturer/OEM recommendation.

Design, supply, installation, testing and commissioning of close coupled, single stage, centrifugal, end suction with backpull out design chilled water centrifugal pump sets (primary) with bronze impeller complete with TEFC Sq. Cage induction motor with class "F" insulation, base plate, coupling guard, vibration isolators, SS Shaft, factory fitted mechanical seal, flexible pipe connector at inlet and outlet etc. conforming to technical specification and as per following parameters complete all as specified and as directed. (a) The pumps shall be centrifugal type direct driven with a 3 phase, 415 ±10%volts, 50 Hz., A.C. motor. (b) The motor for Chilled Water Pumps shall be suitable for use with Variable Frequency Drive. (c) The efficiency class of motors shall be IE 3 class as per IS 12615. (d) The chilled water pumps shall be duly insulated with expanded polystyrene (TF quality) 50mm thickness shall be sandwiched between two aluminium sheets of 0.5mm thickness and properly clamped to pump in two semi-circular sections. (e) The cost of thermal insulation deemed to be included in item cost. (f) The pumps are constant speed pump suitable for the given duty points each of 100 % capacity(Out of Three pumps, two will be working and one will be stand by) (Primary water Pump) (g) Water Quantity : 120 USGPM (36 M³/Hr.) approx (h) Static Head- 20.00 Mtrs. (j) Speed-1450 RPM (k) Overall Efficiency => 85%

(l) Pump/Motor Body - CI and Base Frame - Fabricated MS (m) Foundation - RCC/PCC Foundation as per OEM Recommendations. Note:- (i) The contractor to verify pump head as per actual site condition and submit pump data sheet for approval of GE before procurement. (ii) Rubber bellows shall be provided on suction and discharge sides for vibration isolation. (iii) 2 Nos 100 mm dia dial type pressure gauges for inlet/outlet shall also be provided. (iv) The quoted rates for the item deemed to be included all above including pump foundation as per manufacturer/OEM recommendation.

Design, Supply, installation, testing and commissioning of single-stage, close-coupled, in-line suction and discharge ports of identical diameter with top-pull-out design with dedicated microprocessor based pump controller close coupled , chilled water centrifugal pump sets (secondary) with bronze impeller for chilled water recirculation complete with TEFC Sq. Cage induction motor with class "F" insulation, base plate, coupling guard, vibration isolators, SS Shaft, factory fitted mechanical seal, flexible pipe connector at inlet and outlet etc. conforming to technical specification and as per following parameters complete all as specified and as directed. (a) The pumps shall be centrifugal type direct driven with a 3 phase, 415 ±10%volts, 50 Hz., A.C. motor. (b) The pump shall be suitable to run on variable frequency drives as required and multiple differential pressure sensor / transmitters as necessary and as described in the specifications. (c) The motor for Chilled Water Pumps shall be suitable for use with Variable Frequency Drive. (d) The efficiency class of motors shall be IE 3 class as per IS 12615. The Pumps to be capable of providing 10% higher flow rate. All rotating parts are to be covered with an encasing.

(e) The chilled water pumps shall be duly insulated with Expanded polystyrene (TF quality) 50mm thickness shall be sandwiched between two aluminium sheets of 0.5mm thickness and properly clamped to pump in two semicircular sections. (f) The cost of thermal insulation deemed to be included in item cost. The pump shall be suitable for the given duty points each of 100 % capacity(Out of two pumps, one will be working and one will be stand by) (Secondary water Pump) (g) Water Quantity : 160 USGPM (36 M³/Hr.) approx (h) Static Head- 40.00 Mtrs. (j) Speed-1450 RPM (k) Overall Efficiency => 85% (l) Pump/Motor Body - CI and Base Frame - Fabricated MS (m) Foundation - RCC/PCC Foundation as per OEM Recommendations. NOTE:- (i) The contractor to verify pump head as per actual site condition and submit pump data sheet for approval of GE before procurement. (ii) Rubber bellows shall be provided on suction and discharge sides for vibration isolation. (iii) 2 Nos 100 mm dia dial type pressure gauges for inlet/outlet shall also be provided. (iv) The quoted rates for the item deemed to be included all above including pump foundation as per manufacturer/OEM recommendation.

Design, Supply, installation, testing and commissioning of single-stage, close-coupled, in-line suction and discharge ports of identical diameter with top-pull-out design with dedicated microprocessor based pump controller close coupled , chilled water centrifugal pump sets( secondary) with bronze impeller for chilled water recirculation complete with TEFC Sq. Cage induction motor with class "F" insulation, base plate, coupling guard, vibration isolators, SS Shaft, factory fitted mechanical seal, flexible pipe connector at inlet and outlet etc. conforming to technical specification and as per following parameters complete all as specified and as directed. (a) The pumps shall be centrifugal type direct driven with a 3 phase, 415 ±10%volts, 50 Hz., A.C. motor. (b) The pump shall be suitable to run on variable frequency drives as required and multiple differential pressure sensor / transmitters as necessary and as described in the specifications. (c) The motor for Chilled Water Pumps shall be suitable for use with Variable Frequency Drive. (d) The efficiency class of motors shall be IE 3 class as per IS 12615. (e) The Pumps to be capable of providing 10% higher flow rate. All rotating parts are to be covered with an encasing. (g) The chilled water pumps shall be duly insulated with Expanded polystyrene (TF quality) 50mm thickness shall be sandwiched between two aluminium sheets of 0.5mm thickness and properly clamped to pump in two semicircular sections.

(h) The cost of thermal insulation deemed to be included in item cost. (j) The pump shall be suitable for the given duty points each of 100 % capacity(Out of two pumps, one will be working and one will be stand by) (Secondary water Pump) (k) Water Quantity : 120 USGPM (36 M³/Hr.) approx (l) Static Head- 40.00 Mtrs. (m) Speed-1450 RPM (n) Overall Efficiency => 85% (o) Pump/Motor Body - CI and Base Frame - Fabricated MS (p) Foundation - RCC/PCC Foundation as per OEM Recommendations. NOTE:- (i) The contractor to verify pump head as per actual site condition and submit pump data sheet for approval of GE before procurement. (ii) Rubber bellows shall be provided on suction and discharge sides for vibration isolation. (iii) 2 Nos 100 mm dia dial type pressure gauges for inlet/outlet shall also be provided. (iv) The quoted rates for the item deemed to be included all above including pump foundation as per manufacturer/OEM recommendation.

Design, supply, installation, testing and commissioning of close coupled , single stage , centrifugal , end suction with backpull out design condenser water centrifugal pump sets with bronze impeller complete with TEFC Sq. Cage induction motor with class "F" insulation, base plate, coupling guard, vibration isolators, SS Shaft, factory fitted mechanical seal, flexible pipe connector at inlet and outlet etc. conforming to technical specification and as per following parameters complete all as specified and as directed. (a) The pumps shall be centrifugal type direct driven with a 3 phase, 415 ±10%volts, 50 Hz., A.C. motor. (b) The motor shall be suitable for use with Variable Frequency Drive. (c) The efficiency class of motors shall be IE 3 class as per IS 12615. (d) The pumps shall be duly insulated with Expanded polystyrene (TF quality) 50mm thickness shall be sandwiched between two aluminium sheets of 0.5mm thickness and properly clamped to pump in two semicircular sections. (e) The cost of thermal insulation deemed to be included in item cost.

(f) The pumps are constant speed suitable for the given duty points each of 100 % (g) capacity (Out of Three pumps, two will be working and one will be stand by) (h) Water Quantity : 190 USGPM (45 M³/Hr.) approx. (j) Static Head- 20.00 Mtrs. (k) Speed-1450 RPM (l) Overall Efficiency => 85% (m) Pump/Motor Body - CI and Base Frame - Fabricated MS (n) Foundation - RCC/PCC Foundation as per OEM Recommendations. NOTE:- (i) The contractor to verify pump head as per actual site condition and submit pump data sheet for approval of GE before procurement. (ii) Rubber bellows shall be provided on suction and discharge sides for vibration isolation (iii) 2 Nos 100 mm dia dial type pressure gauges for inlet/outlet shall also be provided. (iv) The quoted rates for the item deemed to be included all above including pump foundation as per manufacturer/OEM recommendation.

Design, supply, installation, testing and commissioning of close coupled , single stage , centrifugal , end suction with backpull out design condenser water centrifugal pump sets with bronze impeller complete with TEFC Sq. Cage induction motor with class "F" insulation, base plate, coupling guard, vibration isolators, SS Shaft, factory fitted mechanical seal, flexible pipe connector at inlet and outlet etc. conforming to technical specification and as per following parameters complete all as specified and as directed. (a) The pumps shall be centrifugal type direct driven with a 3 phase, 415 ±10%volts, 50 Hz., A.C. motor. (b) The motor shall be suitable for use with Variable Frequency Drive. (c) The efficiency class of motors shall be IE 3 class as per IS 12615. (d) The pumps shall be duly insulated with Expanded polystyrene (TF quality) 50mm thickness shall be sandwiched between two aluminium sheets of 0.5mm thickness and properly clamped to pump in two semicircular sections. (e) The cost of thermal insulation deemed to be included in item cost. (f) The pumps are constant speed suitable for the given duty points each of 100 % capacity(Out of Three pumps, two will be working and one will be stand by) (g) Water Quantity : 143 USGPM (45 M³/Hr.) approx (h) Static Head- 20.00 Mtrs. (j) Speed-1450 RPM (k) Overall Efficiency => 85%

(l) Pump/Motor Body - CI and Base Frame - Fabricated MS (m) Foundation - RCC/PCC Foundation as per OEM Recommendations. NOTE:- (i) The contractor to verify pump head as per actual site condition and submit pump data sheet for approval of GE before procurement. (ii) Rubber bellows shall be provided on suction and discharge sides for vibration isolation (iii) 2 Nos 100 mm dia dial type pressure gauges for inlet/outlet shall also be provided. (iv) The quoted rates for the item deemed to be included all above including pump foundation as per manufacturer/OEM recommendation.

Supply, installation, testing and commissioning of package type vertical Electric Hot Water Generator capacity 110 kW (02 Working + 01 Standby) microprocessor based step controller fabricated out of MS sheet of 10 mm thickness in robust welded construction as per following specifications complete all as specified and as directed. (a) top open-able cover for easy access and removal of heaters. (b) Shell shall be complete with necessary lifting lugs, and provisions for inlet and outlet connections, drain connections, and heating elements. (c) Electric heating elements shall be replaceable, immersion type having solid copper facing designed for low heat concentration, not exceeding 70 W/ 1000 sq.mm. (d) The HWG shall be suitable for indoor mounting with degree of protection IP-55. (e) The generator shall be provided with minimum 50 mm thick resin bonded fibre glass wool insulation 24kg /cm density finished with 0.63mm /24G aluminum cladding sheet. (f) The generator shall have electrical capacity of 110 kW for Water In/Out Temp-50° C/60° C. (g) Heater bank provided in 3 steps equally for balanced loading, and shall be brought out in the terminal box for switching in stages as required. (h) The heater shall be electrical resistance type, copper tube with chromium plating with scaling resistance coating .

(j) The generator shall be complete with float valve, pressure gauge with ball valve, master and bank thermostats, water flow switch etc. (k) The generator shall be suitable for 3 phase, 415+ 10% Volts, 50 Hz. AC supply. (l) High Standard internal wiring and Electrical Control Panel from an Integral part of Generator's for safe and automatic control of Hot Water Temperature on continued basis. (m) The HWG shall be as per ASME standard and NEMA standard control panel and provided with following facilities as under :- Hot Water Inlet Temperature : 40°C Hot Water Outlet Temperature : 50°C Hot water flow rate- 30 GPM Working Pressure- 230 Psi Test Pressure- 300 Psi Controls : Digital step controller / thermostat for individual step Digital / dial type thermometer for inlet, outlet pipe (if using thermostats for control) Pressure gauge with ball valve for inlet, outlet pipe SCR based linear controller ( step less ) for hot water generators Safety Features : Audio / Visual Alarm For Low Water Level Audio / Visual Alarm For High Temperature. Pressure Relief Valve. Door Switch, auto vent valve, high temperature interlock and pump interlock. Safety Thermostat ( Fixed Setting )

Supply, installation, testing and commissioning of package type vertical Electric Hot Water Generator capacity 85 kW (02 Working + 01 Standby) microprocessor based step controller fabricated out of MS sheet of 10 mm thickness in robust welded construction as per following specifications complete all as specified and as directed. (a) Top open-able cover for easy access and removal of heaters. (b) Shell shall be complete with necessary lifting lugs, and provisions for inlet and outlet connections, drain connections, and heating elements. (c) Electric heating elements shall be replaceable, immersion type having solid copper facing designed for low heat concentration, not exceeding 70 W/ 1000 sq.mm. (d) The HWG shall be suitable for indoor mounting with degree of protection IP-55. (e) The generator shall be provided with minimum 50 mm thick resin bonded fibre glass wool insulation 24kg /cm density finished with 0.63mm /24G aluminum cladding sheet. (f) The generator shall have electrical capacity of 85 kW for Water In/Out Temp-50° C/60° C. Heater bank provided in 3 steps equally for balanced loading, and shall be brought out in the terminal box for switching in stages as required. (g) The heater shall be electrical resistance type, copper tube with chromium plating with scaling resistance coating . (h) The generator shall be complete with float valve, pressure gauge with ball valve, master and bank thermostats, water flow switch etc.

(j) The generator shall be suitable for 3 phase, 415+ 10% Volts, 50 Hz. AC supply. (k) High Standard internal wiring and Electrical Control Panel from an Integral part of Generator's for safe and automatic control of Hot Water Temperature on continued basis. (l) The HWG shall be as per ASME standard and NEMA standard control panel. HWG shall be provided with following facilities as under :- Hot Water Inlet Temperature : 40°C Hot Water Outlet Temperature : 50°C Hot water flow rate- 30 GPM Working Pressure- 230 Psi Test Pressure- 300 Psi Controls : Digital step controller / thermostat for individual step Digital / dial type thermometer for inlet, outlet pipe ( if using thermostats for control ) Pressure gauge with ball valve for inlet, outlet pipe SCR based linear controller ( step less ) for hot water generators Safety Features : Audio / Visual Alarm For Low Water Level Audio / Visual Alarm For High Temperature. Pressure Relief Valve. Door Switch, auto vent valve, high temperature interlock and pump interlock. Safety Thermostat ( Fixed Setting )

Design, Supply, installation, testing and commissioning of close coupled , single stage , centrifugal , end suction with backpull out design hot water centrifugal pump sets with bronze impeller suitable to run on variable frequency drives as required and multiple differential pressure sensor / transmitters as necessary and as described in the specifications with TEFC Sq. Cage induction motor with class "F" insulation, base plate, coupling guard, vibration isolators, SS Shaft, factory fitted mechanical seal, flexible pipe connector at inlet and outlet etc. conforming to technical specification and as per following parameters complete all as specified and as directed. (a) The Pumps to be capable of providing 10% higher flow rate. (b) All rotating parts are to be covered with an encasing. (c) The pumps shall be centrifugal type direct driven with a 3 phase, 415 ±10%volts, 50 Hz., A.C. motor. (d) The motor shall be suitable for use with Variable Frequency Drive. (e) The efficiency class of motors shall be IE 3 class as per IS 12615. (f) The pumps shall be duly insulated with Expanded polystyrene (TF quality) 50mm thickness shall be sandwiched between two aluminium sheets of 0.5mm thickness and properly clamped to pump in two semicircular sections. (g) The cost of thermal insulation deemed to be included in item cost. (h) The pump shall be suitable for the given duty points each of 100 % capacity(Out of two pumps, one will be working and one will be stand by)

(j) Hot Water Flow : 60.0 USGPM approx (k) Static Head-40.00 Mtr (l) Speed-1450 RPM (m) Overall Efficiency => 85% (n) Foundation - RCC/PCC Foundation as per OEM Recommendations. NOTE:- (i) The contractor to verify pump head as per actual site condition and submit pump data sheet for approval of GE before procurement. (ii) Rubber bellows shall be provided on suction and discharge sides for vibration isolation (iii) 2 Nos 100 mm dia dial type pressure gauges for inlet/outlet shall also be provided. (iv) The quoted rates for the item deemed to be included all above including pump foundation as per manufacturer/OEM recommendation.

Design, supply, installation, testing and commissioning of close coupled , single stage , centrifugal , end suction with backpull out design hot water centrifugal pump sets with bronze impeller suitable to run on variable frequency drives as required and multiple differential pressure sensor / transmitters as necessary and as described in the specifications with TEFC Sq. Cage induction motor with class "F" insulation, base plate, coupling guard, vibration isolators, SS Shaft, factory fitted mechanical seal, flexible pipe connector at inlet and outlet etc. conforming to technical specification and as per following parameters complete all as specified and as directed. (a) The Pumps to be capable of providing 10% higher flow rate.

(b) All rotating parts are to be covered with an encasing. (c) The pumps shall be centrifugal type direct driven with a 3 phase, 415 ±10%volts, 50 Hz., A.C. motor. (d) The motor shall be suitable for use with Variable Frequency Drive. (e) The efficiency class of motors shall be IE 3 class as per IS 12615. (f) The pumps shall be duly insulated with Expanded polystyrene (TF quality) 50mm thickness shall be sandwiched between two aluminium sheets of 0.5mm thickness and properly clamped to pump in two semicircular sections. (g) The cost of thermal insulation deemed to be included in item cost. (h) The pump shall be suitable for the given duty points each of 100 % capacity(Out of two pumps, one will be working and one will be stand by) (j) Hot Water Flow : 44.0 USGPM approx (k) Static Head-40.00 Mtr (l) Speed-1450 RPM (m) Overall Efficiency => 85% (n) Foundation - RCC/PCC Foundation as per OEM Recommendations. NOTE:- (i) The contractor to verify pump head as per actual site condition and submit pump data sheet for approval of GE before procurement. (ii) Rubber bellows shall be provided on suction and discharge sides for vibration isolation. (iii) 2 Nos 100 mm dia dial type pressure gauges for inlet/outlet shall also be provided. (iv) The quoted rates for the item deemed to be included all above including pump foundation as per manufacturer/OEM recommendation.

Design, Supply, installation, testing and commissioning of Induced draft counter flow FRP cooling tower Cap 60 TR CTI certified of suitable heat rejection capacity with FRP water basin PVC fills, water distribution arrangement with self-rotating sprinklers or fixed nozzles of PVC construction, with direct driven/ belt driven fans ,VFD, galvanised hardware complete with sump connection with suitable valve, PVC fill thickness not less than 0.2mm, louvers, drift eliminator complete, statically and dynamically balanced multi blade axial flow fan direct driven, TESC IE3 motor as per IS 12615, suction screen, make-up and quick fill arrangement, overflow and drain connections, suitable GI inspection ladder, steel supporting structure, anti-vibration mounting etc. complete all as per manufacturer's design/specifications as specified and as directed. (a) Isolating switch and other accessories to make it fully operational and maintainable & positioning of cooling tower at location as shown on drawings. (b) The cooling towers shall be supplied with the manufacturer‘s standard finish painting. (c) The Cooling tower shall be capable to communicate effectively with BMS with following facility as under :-

Type of Fan : Propeller, Type of motor ≤ 960 RPM fan, weather proof IP 55. Direct drive VFD - The variable frequency drive(s) shall be pulse width modulation (PWM) type, microprocessor controlled design. VFD shall be capable of operating in voltage ranges of 240V or 415 V +/- 10% AC, three phase; at frequencies of 48 to 63 Hz. CDW(Hot water) In- 95°F and CDW(Cold water) Out- 85°F Range of CT: 10 ⁰F Maximum approach for cooling tower (wet bulb approach): 5 ⁰F Drift loss < 0.05% Water Quantity : 190 USGPM (43 M³/Hr.) approx Design Wet Bulb Temperature - 83 ⁰F(28 ⁰C) Heat Rejection : 181440 Kcal/hr NOTE: (i) The Capacity 60 TR shown is nominal capacity of Refrigeration. The Cooling Tower shall be suitable for Refrigeration capacity plus heat of compression which is 25 % (appx) of refrigeration capacity. (ii) The quoted rate for the item is deemed to be included for making RCC foundation with columns and beams as per manufacturers instruction for installation all as per satisfaction of Engineer-in-Charge.

Design, Supply, installation, testing and commissioning of Induced draft counter flow FRP cooling tower Cap 45 TR CTI certified of suitable heat rejection capacity with FRP water basin PVC fills, water distribution arrangement with self-rotating sprinklers or fixed nozzles of PVC construction, with direct driven/ belt driven fans, VFD, galvanised hardware complete with sump connection with suitable valve, PVC fill thickness not less than 0.2mm, louvers, drift eliminator complete, statically and dynamically balanced multi blade axial flow fan direct driven, TESC IE3 motor as per IS 12615, suction screen, make-up and quick fill arrangement, overflow and drain connections, suitable GI inspection ladder, steel supporting structure, anti-vibration mounting etc. complete all as per manufacturer's design/specifications as specified and as directed. (a) Isolating switch and other accessories to make it fully operational and maintainable & positioning of cooling tower at location as shown on drawings. (b) The cooling towers shall be supplied with the manufacturer‘s standard finish painting. (c) The Cooling tower shall be capable to communicate effectively with BMS with following facility as under :-

Type of Fan : Propeller, Type of motor ≤ 960 RPM fan, weather proof IP 55. Direct drive VFD - The variable frequency drive(s) shall be pulse width modulation (PWM) type, microprocessor controlled design. VFD shall be capable of operating in voltage ranges of 240V or 415 V +/- 10% AC, three phase; at frequencies of 48 to 63 Hz. CDW(Hot water) In- 95°F and CDW(Cold water) Out- 85°F Range of CT: 10 ⁰F Maximum approach for cooling tower (wet bulb approach): 5 ⁰F Drift loss < 0.05% Water Quantity : 143USGPM (32 M³/Hr.) approx. Design Wet Bulb Temperature - 83 ⁰F(28 ⁰C) Heat Rejection : 136080 Kcal/hr NOTE: (i) The Capacity 45 TR shown is nominal capacity of Refrigeration. The Cooling Tower shall be suitable for Refrigeration capacity plus heat of compression which is 25 % (appx) of refrigeration capacity. (ii) The quoted rate for the item is deemed to be included for making RCC foundation with columns and beams as per manufacturers instruction for installation all as per satisfaction of Engineer-in-Charge.

Supply, installation, testing, balancing and commissioning of CLOSED PRESSURISED CHILLED WATER EXPANSION TANK SYSTEM complete with necessary accessories abd following provision of items as under complete all as specified and as directed :- (a) CLOSED PRESSURISED CHILLED WATER EXPANSION TANK - 500 Ltrs capacity ( Chilled water) along with necessary accessories such as air vents, Safety Valves, Pressurisation pumps and its panel , with required Support & Foundation etc. in order to keep chilled water system under pressure and to prevent entrapment of air in the system. The tank shall be pre charged M.S expansion tank with replaceable heavy duty butyl rubber bladder. The tank shall have 20 mm drain and charging valve connection to facilitate the onsite charging of the tank to meet system requirement. The tank shall be fabricated as per Indian standard code for “non-fired pressure vessels” and the flanges shall be as per IS 6392-1971. For chilled/hot water application, the tank shall be Surface shall be thoroughly cleaned, two coats of hot bitumen shall be applied, insulation slabs of expanded polystrene (TF quality) with 50mm thick fixed in one layer , insulation slab then covered with 0.63 mm x 19mm G.I. wire mesh netting and finally be finished with aluminium cladding of thickness not less than 0.5mm. The expansion tank shall be supplied along with pressurization unit. Install Expansion tank in accordance with manufacturer’s written instructions.

Supply, installation, testing, balancing and commissioning of CLOSED PRESSURISED HOT WATER EXPANSION TANK SYSTEM complete with necessary accessories abd following provision of items as under complete all as specified and as directed :- (a) CLOSED PRESSURISED HOT WATER EXPANSION TANK 300 Ltrs capacity (Chilled water)along with necessary accessories such as air vents, Safety Valves, Pressurisation pumps and its panel , with required Support & Foundation etc. in order to keep chilled water system under pressure and to prevent entrapment of air in the system. The tank shall be precharged M.S expansion tank with replaceable heavy duty butyl rubber bladder. The tank shall have 20 mm drain and charging valve connection to facilitate the onsite charging of the tank to meet system requirement. The tank shall be fabricated as per Indian standard code for “non-fired pressure vessels” and the flanges shall be as per IS 6392-1971. For chilled/hot water application,the tank shall be Surface shall be thoroughly cleaned,two coats of hot bitumen shall be applied, insulation slabs of expanded polystrene (TF quality) with 50mm thick fixed in one layer ,insualtion slab then covered with 0.63 mm x 19mm G.I.wire mesh netting and finally be finished with aluminium cladding of thickness not less than 0.5mm. The expansion tank shall be supplied along with pressurization unit. Install Expansion tank in accordance with manufacturer’s written instructions. The drawing, schedules and specification shall be referred. The tank shall be designed to absorb the expansion forces of cooling/heating system water while maintaining proper system pressurization under varying operating conditions.

Supply, installation, testing, balancing and commissioning of make up water tank of capacity 5000 ltr for cooling tower complete with necessary accessories and connected to expansion tank complete all as specified and as directed.

Supply, installation, testing, balancing and commissioning of make up water tank of capacity 5000 ltr for hot water generator complete with necessary accessories and connected to expansion tank complete all as specified and as directed.

Supply, laying, fixing, testing and commissioning of mild steel chilled water and hot water piping of class 'C', Heavy duty minimum 6.35mm thick confirming to IS: 1239 (Part-1) 1991 & IS: 3589-1991Grade 330 buried in ground / laid inside trenches with all necessary fabricated fittings such as bends, tees, reducers, flanges, supports, air purge valves, drain valves etc, and supports such as clamps, anti vibration hangars/pads etc duly insulated with pipe sections of fire retardent quality expanded polystyrene (TF quality) (density 20 Kg per cum and thermal conductivity 0.035 K.cal/ hr. degree C/m at 10° C mean temp.) moulded pipe section having thickness not less than 50mm thick for pipe upto 125mm dia and 75mm thick for pipe upto 150mm dia and above, after a thick coat of cold setting adhesive(CPRX compound) wrapping with 500 gauge polythene faced (plastic coated)hessian cloth sheet (vapour barrier seal) (Fire retardent grade),(the polythene facing outwards) and secured with 0.5 mm x 20 mm GI wire mesh and 2 coats of sand cement plaster (1:4) 20 mm thick in 2 layers(each layer of 10 mm) and water proofed by applying comibination of hot bitumen over tar felt, at the top the plaster surface, It shall then be finally finished with a coat of hot bitumen, the work includes digging and refilling of trenches and providing 500 mm thick 1:2:4 cement mortar pads at 3 M interval and the surface to be insulated shall be first cleaned and a coat of zinc chromate primer shall be given, the pipes are required for installing outside the building burried in ground complete all as specified and as directed for the following sizes as under:-

(a) 50 mm Pipe, MS, class 'C' (50 mm thick insulation)

(b) 65 mm Pipe, MS, class 'C' (50 mm thick insulation)

(c) 80 mm Pipe, MS, class 'C' (50 mm thick insulation)

(d) 100 mm pipe, MS, class 'C' (50 mm thick insulation)

(e) 125 mm pipe, MS, class 'C' (50 mm thick insulation)

Supply, laying, fixing, testing and commissioning of mild steel chilled water and hot water piping of class 'C', Heavy duty minimum 6.35mm thick confirming to IS: 1239 (Part-1) 1991 & IS: 3589-1991Grade 330 laid above ground/above trenches with all necessary fabricated fittings such as bends, tees, reducers, flanges, supports, air purge valves, drain valves etc, outside the building all along the wall/roof(with necessary fittings,clamps and vibration isolators and fitting adequately supported on rigid supports and duly insulated with pipe sections of Fire retardent quality expanded polystyrene (TF quality)( density 20 Kg per cum and thermal conductivity 0.035 K.cal/ hr. degree C/m at 10 Deg C mean temp.) moulded pipe section having thickness not less than 50mm thick for pipe upto 125mm dia and 75mm thick for pipe upto 150mm dia and above, after a thick coat of cold setting adhesive(CPRX compound) wrapping with 500 gauge polythene faced (plastic coated)hessian cloth sheet (vapour barrier seal of 120 gm/sq.m polythene sheet with 50mm overlap) (Fire retardent grade), (the polythene facing outwards) secured with 0.63 mm GI sheet cladding complete with type3, grade 1 roofing felt strip (as per IS:1322) at the joints by means of cold setting CPRX compound complete as per specifications and as required, the surface to be insulated shall be first cleaned and a coat of zinc chromate primer shall be given complete all as specified and as directed for the following sizes as under-

(a) 50 mm Pipe, MS, class 'C' (50 mm thick insulation)

(b) 65 mm Pipe, MS, class 'C' (50 mm thick insulation)

(c) 80 mm Pipe, MS, class 'C' (50 mm thick insulation)

(d) 100 mm pipe, MS, class 'C' (50 mm thick insulation)

(e)125 mm pipe, MS, class 'C' (50 mm thick insulation)

Supply, laying, fixing, testing and commissioning of mild steel chilled water and hot water piping of class 'C', Heavy duty minimum 6.35mm thick confirming to IS: 1239 (Part-1) 1991 & IS: 3589-1991Grade 330 laid inside the building and for Low Side (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with fire retardant quality expanded polystrene (TF quality)( density 20 Kg per cum and thermal conductivity 0.035 K.cal/ hr. degree C/m at 10 Deg C mean temp.) moulded pipe section having thickness not less than 50mm thick for pipe upto 125mm dia and 75mm thick for pipe upto 150mm dia and above, after a thick coat of cold setting adhesive (CPRX compound) wrapping with 500gauge polythene faced (plastic coated)hessian cloth sheet (vapour barrier seal of 120 gm/sq.m polythene sheet with 50mm overlap) (Fire retardent grade), (the polythene facing outwards) and finally secured with 0.63mm aluminium sheet cladding complete with type3, grade 1 roofing bitumen feltstrip(as per IS:1322 as amended up to date ) at the joints and repairing of damage to the buildings if any etc as per specifications and as required, the surface to be insulated shall be first cleaned and a coat of zinc chromate primer shall be given complete in all respects. with the size of pipes and insulation shall be as shown below:-

(a) 20 mm Pipe, MS, class 'C' (50 mm thick insulation)

(b) 25 mm Pipe, MS, class 'C' ((50 mm thick insulation)

(c) 32 mm Pipe, MS, class 'C' (50 mm thick insulation)

(d) 50 mm Pipe, MS, class 'C' (50 mm thick insulation)

(e) 65 mm Pipe, MS, class 'C' (50 mm thick insulation)

(f) 80 mm Pipe, MS, class 'C' (50 mm thick insulation)

(g)100 mm pipe, MS, class 'C' (50 mm thick insulation)

(h)125 mm pipe, MS, class 'C' (50 mm thick insulation)

Supply, fixing, testing and commissioning in position the following valves, strainers etc, in chilled water and hot water pipeline complete with flanges etc, and duly insulated with fire retardant quality expanded polystrene (TF quality)( density 20 Kg per cum and thermal conductivity 0.035 K.cal/ hr. degree C/m at 10 Deg C mean temp.) moulded pipe section having thickness not less than 50mm thick for pipe upto 125mm dia and 75mm thick for pipe upto 150mm dia and above, after a thick coat of cold setting adhesive (CPRX compound) wrapping with 500gauge polythene faced (plastic coated)hessian cloth sheet (vapour barrier seal of 120 gm/sq.m polythene sheet with 50mm overlap) (Fire retardent grade), (the polythene facing outwards) and finally secured with 0.63mm aluminium sheet cladding complete with type3, grade 1 roofing bitumen feltstrip(as per IS:1322 as amended up to date), the valves and other items shall be adequately supported as per specification, the types and size of valves shall be as under:-

(a) All as per Ser item No. 22 above but Butter Fly Valves (Manual) confirming to API 609, BS 5155 shall be wafer type for mounting between specified flanges and shall be rated for PN 1.6 (16 bar) Pressure rating. bodies shall be cast ferrous metal conforming to ASTM A126 CL B/ IS 210 Gr FG 200 for body wall thickness and disc shall be Stainless steel, with replaceable nitrile linner seats and seals shall be of the resilient elastometric type designed for field removal complete with accessories such as matching flanges, gasket, hardware etc. for chilled water and hot water circulation with insulation as specified below complete all as specified and as directed.

(aa) 125 mm dia (50 mm insulation)

(ab) 100 mm dia (50 mm insulation)

(ac) 80 mm dia (50 mm insulation)

(ad) 65 mm dia (50 mm insulation)

(ae) 50 mm dia (50 mm insulation)

(af) 32 mm dia (50 mm insulation)

(b) All as per Ser item No. 22 above but Dual Plate check valve (Non return valve) with dual plate of CI body confirming to to ASTM A 126/ IS 210 Gr FG 200 or equivalnet strength ductile iron, Stainless steel plates, vulcanised NBR seal flanged ends and PN 1.6 (16 bar) pressure rating for chilled water and hot water circulation with insulation, non return valves shall be of gun metal/bronze construction complete as specified below complete all as specified and as directed.

(ba) 100 mm (50 mm insulation)

(bb) 80 mm (50 mm insulation)

(bc) 65 mm (50 mm insulation)

(bd) 50 mm (50 mm insulation)

(c) All as per Ser item No. 22 above but Y-STRAINER ductile CI body material shall be gun metal confirming to BS:1400 LG2 with flanged ends having filter element stainless steel with permanent magnetic characteristic stainless steel strainer, the strainer element material shall be AISI type 304 corrosion reisitant steel,working pressure rating PN 1.6(16 bar), all stariners larger than DN 65 shall be fitted with manufacturer standard ball type blow down valve for chilled / hot water circulation including insulation complete as specified below complete all as specified and as directed.

(ca) 100 mm (50 mm insulation)

(cb) 80 mm (50 mm insulation)

(cc) 65 mm (50 mm insulation)

(cd) 50 mm (50 mm insulation)

(d) All as per Ser item No. 22 above but Automatic Balance Valve Wafer type to limit the flow through 3 way valve, GPM for the valve factory set to automatically limit the rate of flow with in +/- 5% of specified GPM over 95% of control range, the automatic balance valve with C I body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled /hot water circulation including insulation as specified, the valve shall have 2 pressure ports to read pressure difference across the valve, the valve shall operate by means of automatic balancing stainless steel catridges with replaceable orifice plate and internal EPDM diaphragms, the pressure class of valve is PN 1.6 (16 bar), the valve shall be complete as per specifications and suitable for flange connection for following sizes complete all as specified and as directed. (i) The pressure head loss added to the pump head shall not exceed 7 Ft. (ii) A pressure and temperature Kit shall be provided with the ability to read differential pressure from 0-75 PSI and temperature from 0 to 20 deg centigrade. Note: Slight variation in specifications from one make to another is acceptable.

(da) 80 mm (50 mm insulation)

(db) 100 mm (50 mm insulation)

(e) All as per Ser item No. 22 above but Motorized 3 Way modulating proportional linear type mixing valve with flow switch, thermostate & controller for AHUs and chiller header having manual over ride facility with proportional thermostat and wiring with 1.5 sq mm copper conductor multi core armoured cable, 3 way valve size suitable for following GPM including actuator of suitable size complete with transformer etc. complete all as per specified and as directed. Note: (i) Proportional thermostat is included in AHU. (ii) The rate quoted by the contractor is for 3 way valve and actuator.

(ea) suitable for 125 mm dia

(eb) suitable for 100 mm dia

(ec) suitable for 65 mm dia

(ed) suitable for 50 mm dia

(f) All as per Ser item No. 22 above but Pressure Gauges shall be glycerin filled dial type 100mm, range (4 To 10 Kg/CM2), sensing element SS 316, case shall be die cast aluminium weather proof as per IP 65 connection with stainless steel U type siphon, bleed and block valve and isolating gun metal/ brass valves complete as required for chilled water pipe.

(g) All as per Ser item No. 22 above but Temperature Gauges stem type thermometer, case and bezel material of construction shall be aluminium 304, weather proof as per IP 65.Immersion length around 200 mm, connection with SS 304 thermowells protection duly filled with glycerin/equivalent.

(h) All as per Ser item No. 22 above but Water flow pressure differential switches in chilled water line complete as reqd and as specified.

(j) All as per Ser item No. 22 above but Pressure Gauge plug complete with fittings, isolation valve etc. complete as reqd (without pressure gauge) and as specified.

(k) All as per Ser item No. 22 above but Expansion BELOW of PN-16 pressure rating made from EPDM or butyl material having wide arch construction, integral gusset plates, multiple tie rods complete for chilled / hot water across pump and chiller, AHU for resisting the unit vibration to the main pipe Line, complete all as per specified and as directed.

(ka) 100 mm (50mm insulation)

(kb) 65 mm (50mm insulation)

(l) All as per Ser item No. 22 above but Automatic Purging valve 15 mm dia suitable for operating pressure at 3.5 to 4 bar complete with fittings viz nipple, elbow, tee, bend, socket etc. with ball valve

(m) All as per Ser item No. 22 above but GI tubing medium grade, ISI Marked conforming to IS 1239 Part-I 2004, with and including all fittings such as bends, elbows, tees, short length, socket, union, check nuts, nipples etc. duly insulated as per chiller specification and following sizes given below complete all as specified and as directed.

(ma) 40 mm dia pipe (for Chiller)

(mb) 25 mm dia pipe (for AHUsand HWG)

(n) All as per Ser item No. 22 above but Gate Valves with iron wheel head , screwed both ends for iron pipe or for unions and fixed complete with fitting like nipples, elbows, tees, bends, sockets etc. and following sizes given below complete all as specified and as directed.

(na) 40 mm dia size (for Chiller)

(nb) 25 mm dia size (for AHUs and HWG)

(o) All as per Ser item No. 22 above but Screwed plug for 125 mm chilled water pipe complete all as specified and directed.

(p) All as per Ser item No. 22 above but 2-Way Motorized Valves with Flow switch, Thermostate and Controller For AHUs and chiller header having manual over ride facility with proportional thermostat and wiring with 1.5 sq mm copper conductor multi core armoured cable, 3 way valve size suitable for following GPM including actuator of suitable size complete with transformer etc and following sizes given below complete all as specified and as directed.

(pa) 65 mm (50 mm insulation)

(pb) 50 mm (50 mm insulation)

Note for Ser item Nos. 22 to 36 : All valves, fittings, strainers etc. shall be insulated to the same thickness and in the same manner as for the respective piping, taking care to allow operation of valves without damaging the insulation

Supply, laying, fixing, testing and commissioning of mild steel condenser water piping of class 'C', Heavy duty minimum 6.35mm thick confirming to IS: 1239 (Part-1) 1991 & IS: 3589-1991Grade 330 (but excluding valves, strainers and pressure gauges etc) laid above ground with all necessary fabricated fittings such as bends, tees, reducers, flanges, supports, air purge valves, drain valves etc, with necessary fittings,clamps and vibration isolators and fitting adequately supported on rigid supports.Pipes shall rest on half round rigid block resting on GI structure including excavations and refilling the trenches and providing suitable thickness 1:2:4 cement concrete pads at 3 M intervals complete all as specified and as directed for the following sizes as under :-( Cooling Tower purpose)

(a) 125 mm pipe, MS, class 'C' with 2.0 mm thick double layer FRP coating

(b) 150 mm pipe, MS, class 'C' with 2.0 mm thick double layer FRP coating

(c) 100 mm pipe, MS, class 'C' with 2.0 mm thick double layer FRP coating

Supply, laying, fixing, testing and commissioning of mild steel condenser water piping of class 'C', heavy duty minimum 6.35mm thick confirming to IS: 1239 (Part-1) 1991 & IS: 3589-1991Grade 330 (but excluding valves, strainers and pressure gauges etc). The piping shall be laid outside the plant room buried in ground/trenches as per site conditions or all along the wall/roof with all necessary fabricated fittings such as bends, tees, reducers, flanges, supports, air purge valves, drain valves etc. including necessary fittings, clamps and vibration isolators and fitting adequately supported on rigid supports. The pipes shall be given two coats of tarfelt each having thickness of 2 mm and stick with hot bitumen. Pipes shall rest on half round rigid block resting on GI structure including excavations and refilling the trenches and providing suitable thickness 1:2:4 cement concrete pads at 3 M intervals complete as per specifications and as required all as specified and as directed for the following sizes as under :-

(a) 125 mm pipe, MS, class 'C' without FRP coating

(b) 150 mm pipe, MS, class 'C' without FRP coating

(c) 100 mm pipe, MS, class 'C' without FRP coating

Supply, laying, fixing, testing and commissioning of mild steel condenser water piping of class 'C', heavy duty minimum 6.35mm thick confirming to IS: 1239 (Part-1) 1991 & IS: 3589-1991Grade 330 (but excluding valves, strainers and pressure gauges etc). Condenser pipes to be laid with in the plant, pipes resting on half round wooden blocks, resting on GI structures with all necessary fabricated fittings such as bends, tees, reducers, flanges, supports, air purge valves, drain valves etc, including necessary fittings,clamps and vibration isolators and fitting adequately supported on rigid supports. All pipes, pipe supports,structures shall be painted with 2 coats of synthetic enamel paint over a coat of red oxide primer and lettering with white paint including marking direction of flow complete as per specifications and as required all as specified and as directed for the following sizes as under :-

(a) 125 mm pipe, MS, class 'C' without FRP coating

(b) 150 mm pipe, MS, class 'C' without FRP coating

(c) 100 mm pipe, MS, class 'C' without FRP coating

Supply, fixing, testing and commissioning in position the following valve, gauges strainers etc. in condenser water pipeline complete with flanges etc., the valves and other items shall be adequately supported as per specification, types and size of valves shall be as under:- (a) Butter fly valves (manual) with CI body, stainless steel disc, nitrile rubber seal & O ring, PN 1.6 (16 bar) pressure rating for condenser water circulation complete all as specified and as directed as per following sizes of valve.

(aa) 125 mm dia including connecting pieces for fixing to 125 mm dia pipe

(ab) 100 mm dia including connecting pieces for fixing to 100 mm dia pipe

Supply, fixing, testing and commissioning in position the following valve, gauges strainers etc. in condenser water pipeline complete with flanges etc., the valves and other items shall be adequately supported as per specification, types and size of valves shall be as under:- (b) Non return valve with dual plate of CI body,Stainless steel plates, vulcanised NBR seal flanged ends and PN 1.6(16 bar) pressure rating for condenser water circulation complete all as specified and as directed as per following sizes of valve.

(ba) 125 mm dia including connecting pieces for fixing to 125 mm dia pipe

(bb) 100 mm dia including connecting pieces for fixing to 100 mm dia pipe

Supply, fixing, testing and commissioning in position the following valve, gauges strainers etc. in condenser water pipeline complete with flanges etc., the valves and other items shall be adequately supported as per specification, types and size of valves shall be as under:- (c) Automatic balance valve wafer type for condenser water circulation to limit the flow through 3 way valve, GPM for the valve factory set to automatically limit the rate of flow with in +/- 5% of specified GPM over 95% of control range. The automatic balance valve with C I body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled /hot water circulation including insulation as specified.The valve shall have 2 Pressure ports to read Pressure difference across the valve. The valve shall operate by means of automatic balancing stainless steel catridges with replaceable orifice plate and internal EPDM diaphragms. The pressure class of valve is PN 1.6(16 bar), The valve shall be complete as per specifications and as required. The pressure head loss added to the pump head shall not exceed 7 Ft. A pressure and temperature Kit shall be provided with the ability to read differential pressure from 0-75 PSI and temperature from 0 to 20 deg centigrade. The valve shall be suitable for flange connection for following sizes complete all as specified and as directed . Note: Slight variation in specifications from one make to another is acceptable.

(ca) 125 mm dia

(cb) 100 mm dia

Supply, fixing, testing and commissioning in position the following valve, gauges strainers etc. in condenser water pipeline complete with flanges etc., the valves and other items shall be adequately supported as per specification, types and size of valves shall be as under:- (d) Motorized 3 way modulating proportional linear type mixing valve with flow switch, thermostate & controller condenser pipe header having manual over ride facility with proportional thermostat and wiring with 1.5 sq mm copper conductor multi core armoured cable, 3 way valve size suitable for following GPM including actuator of suitable size complete with transformer etc for following size complete all as specified and as directed. Note: Proportional thermostat is included in AHU. The rate quoted by the contractor is for 3 way valve and actuator.

(da) suitable for 125 mm dia

Supply and fixing of pot strainer with heavy SS mesh along with fitting like flanges, nuts bolts and gasket as required complete all as specified and as directed as per following sizes.

(a) 125 mm with pot dia 500mm

(b) 100 mm with pot dia 400mm

Providing and fixing in position the industrial type pressure gauges (0 To 6 Kg/CM2) with physon and isolating gun metal/ brass valves complete as required for 100 mm dial for chilled water pipe all as specified and as directed.

Providing and fixing temperature gauges in position the mercury in glass industrial type thermometers with thermowells protection complete all as specified and as directed.

Providing and fixing water flow pressure differential switches in chilled water line complete as reqd and as specified and as directed.

Providing and fixing pressure gauge plug complete with fittings, isolation valve etc. complete as reqd.(with out pressure gauge) as specified and as directed.

Providing and fixing automatic purging valve 15 mm dia complete with fittings viz nipple, elbow, tee, bend, socket etc. with ball valve complete all as specified and as directed.

Supply and fixing 40mm dia pipe GI tubing medium grade, ISI Marked conforming to IS 1239 Part-I 2004, with and including all fittings such as bends, elbows, tees, short length, socket, union, check nuts, nipples etc. duly insulated as per chiller specification complete all as specified and as directed. (drain for CT)

Supply and fixing 40 mm dia size gate valve with iron wheel head, screwed both ends for iron pipe or for unions and fixed complete with fitting like nipples, elbows, tees, bends, sockets etc. complete all as specified and as directed. (for Condenser)

Supply and fixing 25 mm dia size gate valve with iron wheel head, screwed both ends for iron pipe or for unions and fixed complete with fitting like nipples, elbows, tees, bends, sockets etc. complete all as specified and as directed. (for CT)

Supply and fixing Screwed plug for 150 mm condenser water pipe complete all as specified and as directed.

Design, supply, install, test and commissioning of factory made floor mounted chilled water Double skin type horizontal / vertical Air Handling unit (AHU) for Chilled water with 10° temperature differential and AHU shall be suitable for conventional floor Landing (with vibration pads) for cooling and de-humidifying the air with all accessories and controls for the capacity of 27.0 TR / 10250 CFM @ 75 mm S.P complete all as specified and all as directed and AHU shall be provided with following facilities as under :- (i) The casing panels shall be made of sandwich construction of at least 25 mm thick injected with CFC free R141b blended Poly Urethane foam insulation having density of 38-40 Kg/Cu.m and thermal conductivity of 0.02 W/m-deg K. The Casing panels(inside and outside) shall be constructed of 1.2 mm steel sheet coated with 220 gm/Sq.m galvanized Zinc(Zn) and 3% Chromate. (ii) The outer skin shall be 0.8 mm and inner skin 0.8 mm thick. (iii )The panels are removable type with self-lubricating bearing and are fixed to the frame with self-tapping screws. Labyrinth type gasket sealing between panel and frame be provided to eliminate air leakages. The entire unit shall be supported on full perimeter base frame constructed from heavy duty galvanized steel sheet. Drain Pan shall be fabricated from 0.8 mm thick Stainless steel grade SS-304 insulated with 10 mm thick close cell cross linked irradiated FR grade Poly ethylene material. Intermediate tray is provided for stacked coils to collect the condensate from the top coil. Drain pan shall be of sufficient width and differential slope to ensure complete drainage of condensate.

(xi) Pan type Humidistat and re-heaters to control air humidity(20-80%) (xii) Sloped bottom to collect humidification and condensed water and draining piping of sufficient size and length as per standard practice. (xiii) Suitable Fire retardant canvas connection at the outlet of blower . (xiv) Each AHU shall be provided with interlocking with Smoke Detectors which are being provided by another Agency. (xv) Each AHU shall be provided with Aluminium extruded Fresh air intake louvres with bird screen, dampers and rain protection. (xvi) Each AHU shall also be provided with 150 mm dia dial type pressure gauges(2 Nos) and industrial type thermometers (2 Nos) at inlet and out let of coil, air purge valve 25 mm (1 No) (located at suitable location) (xvii) RCC/Cement concrete foundation including necessary vibration isolation complete shall be provided as required and as specified. Note:- (i) Above all the items are deemed to be included in quoted rate of each AHU. (ii) Slight variation in specification from make to make are acceptable. (ii) Main switches of required rating will be provided by Dept one for each AHU. Further control cabling shall be A/C Contractor's responsibility.

Supplying, installing, balancing and commissioning of site fabricated Galvanised Sheet Steel (GSS) ducts conforming to IS: 277, fabricated either from, rectangular ducting complete with neoprene rubber gaskets, elbows, splitter damper vanes, hangars, supports. Duct work shall be rigid and straight without kinks. All exposed ducts within the conditioned space shall have slip joints. Flanged joints shall not be used.Ducts shall be supported independently from the building structure and adequately, to keep the ducts true to shape. The support spacing shall be not more than 2 m.Duct connections to the air-handling unit shall be made by inserting a double canvas sleeve 100 mm longThe steel sheets shall be hot dip galvanized with MAT finish with coating of minimum 120 grams per square meter (GSM) of Zinc, GI sheets shall be lead free, eco friendly and RoHS compliant. All sheet metal connections, partitions and plenums required for flow of air through the filters, fans etc. shall be at least 1.25 mm thick galvanised steel sheets.Hanger rods shall be of mild steel and of at least 10 mm dia for ducts upto 2250 mm size, and 12 mm dia for larger sizes.All nuts, bolts and washers shall be zinc plated steel. All rivets shall be galvanised or shall be made of magnesium - aluminium alloy. Self tapping screws shall not be used.The fabrication of ducts shall be carried out as per approved drawings and specifications of following sheet thickness complete all as specifed and as directed. Note: (i) The duct work shall be as per IS 655. (ii) The GSS sheets for duct work shall conform to class viii with zinc coating of 120 gm/sq mtr as per ISS-277.

(a) 0.63 mm thickness sheet (24 gauge) for Longest side 750mm and below

(b) 0.80 mm thickness sheet (22 gauge) for Longest side 751 mm to 1500 mm

(c) 1.0 mm thickness sheet (20 gauge) for Longest side 1501 mm to 2250 mm

Supplying and fixing of duct thermal insulation (for indoor applications) using resin bonded fiber glass of density 24 kg/m3 with one side factory laminated aluminium foil 50mm thick to be wrapped around the duct. The insulation applied after 2 coats of cold setting adhesive (CPRX Compound). All joints shall be sealed with 50 mm wide self adhesive aluminium tape and covering with 0.63 mm x 19 mm GI wire mesh netting, butting all joints and laced with GI wire complete all as required and as specified .

Supplying and fixing of duct thermal insulation (for outdoor applications) using resin bonded fiber glass of density 24 kg/m3 with one side factory laminated aluminium foil 50mm thick to be wrapped around the duct. The insulation applied after 2 coats of cold setting adhesive (CPRX Compound). All joints shall be sealed with 50 mm wide self adhesive aluminium tape and covering with 0.63 mm x 19 mm GI wire mesh netting, butting all joints and laced with GI wire and finally covered with one layer of tar felt stuck with hot bitumen complete all as required and as specified.

Supply and fixing of acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glass wool having density of 32 kg/m³ shall conform to IS 8183 as amended upto date.Accoustic insulation shall be stuck to inside the ducting after applying 2 coats of cold setting adhesive (CPRX Compound). The insulation is held in position with rivets or galvanised steel bolt with counter sunk heads ,25 x 25 GI section 1.5 mm thick and GI plate washers at the centre to centre distance of 600mm.The insulation shall be covered with reinforced plastic tissue paper and 0.5 mm thick perforated aluminium sheet having perforations between 20-40% fixed to inside surface of the duct with cadmium plated nuts, bolts, stick pins,CPRX compound etc. complete as required and as per specifications all as specified and as directed.

Supplying and fixing accoustic insulation lining on wall of AHU Room with 50 mm thick, 32 kg/m3, rigid bonded fibreglass. Accoustic insulation shall be fixed in 610 mm x 610 mm frame work made of 25 x 50 x 50 x 50 x 25 mm made out of 0.6 mm thick GI sheet U shaped channel shall be fixed to walls leaving 610mm from floor by means of raw plugs in walls and dash fasteners in ceiling.and covered with reinforced fibre glass tissue and finished with aluminium perforated sheet having perforation between 20-40%of thickness not less than 0.8mm shall be fixed over the entire surface neatly without causing sag/ depression in between and held with screws. Sheet joints should overlap minimum 10mm.Aluminimum beading of 25mm wide and thickness not less than 1.00 mm shall be fixed on all horizontal/ vertical joints by means of screw complete all as specified and as directed.

Supply, Installation, testing and commission under deck insulation with glass wool rigid insulation slabs of density 48 kg/m³, 70 mm thick. Rawl plugs shall be fixed in grids of 500 mm x 500 mm.The underdeck surface of ceiling shall be cleaned and made dust free. overall Thermal transmittance or U-value should be less than 0.409 W/sq.m.K to conform ECBC-2007’s requirement. The insulation slabs shall be fixed to the under side of ceiling, Tighten the insulation using 24 G hexagonal GI wire mesh(each side equal to 19 mm) over EPS rigidly. Ends of GI wire mesh shall overlap by atleast 25 mm. Secure the wire mesh using 24 G GI plate washers (100 mm x 100 mm) at 500 mm centre to centre and fastened with galvanised screws complete all as specified and as directed. (For AHU room & First Floor including Corridor)

Supply, installation, testing and commissioning of G.I volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws, linkages, flanges etc, as per specifications complete all as specified and as directed.

Supply, installation, testing and commissioning of Motorized (ON-OFF Type) duct mounted GI volume control damper with enthalpy sensor and necessary control wire (minimum 1.5 sqmm) for integration within AHU room complete all as specified and as directed.

Supply, installation, testing and commissioning of Motorized (ON-OFF Type) duct mounted GI volume control actuator with enthalpy sensor and necessary control wire (minimum 1.5 sqmm) for integration within AHU room complete all as specified and as directed.

Supplying, fixing, testing and commissioning of supply air diffusers of powder coated aluminium with aluminium volume control dampers with anti smudge ring and removable core complete as per specificationss and approved drawings and schedules complete all as specified and as directed.

Supplying, fixing, testing and commissioning of return air diffusers of powder coated aluminium but without volume control dampers complete as per specificationss and approved drawings and schedules complete all as specified and as directed.

Supplying, fixing, testing and commissioning of powder coated extruded aluminium return air grills with louvres but without volume control dampers complete as per specificationss and approved drawings and schedules complete all as specified and as directed.

Supply, fixing, testing and commissioning of motorized fire and smoke damper in supply air duct / main branch, return air duct as and where required of required sizes complete all as specified and as directed as per following requirnments. (i) The fire damper shall be motorized and spring return type so as to close the damper automatically in the event of power failure and open the damper when power is restored. (ii) The spring return action shall be inbuilt mechanism and not externally mounted. (iii) The fire & smoke damper shall be complete with electronic temperature sensor and electrically operated actuator and interconnecting wiring between AHU & dampers. (iv) The damper shall also be closed in the event of fire signal. (v) The fire damper shall be located in the supply / return air ducts. (vi) The control panel shall be located such that the reset can be done easily.

(a) Fire Damper

(b) Actuator with smoke/fire sensor

Variable chilled water pumping system consist of variable frequency drive (VFDs) 03 Nos suitable for above pumping system inbuilt pressure transducer (03 Nos for Secondary pumping network) with Microprocessor based pump controller, control panel must be having individual AUTO /manual, run time equilization, independent isolator, amp meter, multifunction meter assoociated control cables, controls with pumpings software alongwith required sensor/ Transmitter and cabling with motor mounted enclosure complete all as specified and as directed

Supply, installation, testing and commissioning of LT panel indoor type wall mounted for AHUs confirming of IS 8623 Part (1), CPRI approval, totally enclosed vermin proof suitably ventilated, factory built, modular, sectionalised, compartmentalized, extendable type suitable for operation on 3 phase, 4 wire 433/415 Volts, 50Hz, AC supply complete all as per following specifications:- (i) The outer sheel shall be fabricated out of 2.0mm thick CRCA sheet & MS angle section of suitable size for frame and compartmentalized inner shell shall be fabricated of out of 1.6 mm thick CRCA sheet for control gear. (ii) Front and back door operating with locking arrangement at front. (iii) The panel shall have vibration free structure with Protection of enclosure IP42 as per IS-2147 of 1962 with pre-treatment through 7 tank hot chemical process prior to powder coated with minimum 50-70 micron of approved colour. (iv) The bottom of outer shell contains a detachable gland plates shall be fabricated out of 3mm thick CRCA sheet having provision for entry of armoured cable of adequate size complete with stiffeners wherever required. (v) The panel shall be provided with manufacturer name plate, heavy duty SS cable glands of adequate size for incoming and outgoing cables. (vi) Computer cut self adhesive vinyl danger notice plate having conventional symbol of bones and skull to be provided.

(vii) EPDM gasket of appropriate shape and size provided at all joints, door and covers including suitable size angle iron/flat iron frame work/support, air passing holes and locking arrangement at front with duplicate keys and making connection of incoming and outgoing cable using proper cable lugs, including providing and fixing following switch gears and as per schedules and technical specifications etc. (viii) The panel shall be designed for operation of motors for air handling units/ Heat recovery wheel/Ventilation fans / pumps complete as required and comprising of the following:- (A) (i) TPN Aluminium electrolytic grade high conductivity bus bar of rating not less than the 1.5 times the rated capacity of incomer MCCB shall be insulated with colour coded heat shrinkable sleeves and mounted on suitable size F class insulators made of non hygroscopic, non combustable, track resistant, high strength FRP/MC/DMC material at an interval not more than 500mm through out the length of busbar along with extension and interconnected busbar. The extension link shall not be less than 300mm long supported on suitable size F class insulators for termination of incoming and outgoing cables.All control wires shall be with 2.5sqmm FRLS multi stranded copper conductor and shall be properly bunched , tied,ferruled for proper identification and crimped with adequate size of lugs (ii) Digital multifunction meter (V,A,KW,KWH), 415 AC alongwith C.T's of suitable ratio (set of three), class 1.0, complete for metering (iii) Indication lamps LED type (RYB) =01 set of three.(iv) MCB SP 6A 'C' series for control ckt protection = 03Nos (B) INCOMER (i) MCCB 63 Amp 4 pole, 16 KA, lcs = 100% lcu, with fixed magnetic and adjustable thermal release, adjustable overload 80-100% and adjustable short ckt 5 to 10 ln setting complete with phase seperator - 01 nos

(C) OUTGOING (i) Suitable size VFD for 10250 CFM -01 AHUs (ii) Motor Protection Circuit breaker rotary type 2.2Kw, 6.30 Amp adjustable thermal release range ,3phase AC conforming to IEC 60947-4-1,Breaking capacity Icu 100 KA and Rated service short-circuit breaking capacity Ics 100 % at 440 V AC 50/60 Hz conforming to IEC 60947-2, at 440 V AC 50/60 Hz ,under voltage release ,Shunt release,IK09 enclosure,IP20 conforming to IEC 60529 with short circuit and overlaod protection facility complete all as specified -02 Nos (ii) Start/Stop/Reset push buttons -04nos(02 nos for each motor) and Phase indication/Motor ON/Motor OFF/Trip indicating lamps LED type -01 set (iii) Auxillary control relays -01 set , Surge Supressor 415 volts 20 KA -01 nos, Protections:- Phase failure, unbalance, phase sequence , overloading and dry running(under current) and 3 pole Power contactors suitable size confirming to IS/IEC 60947-4-1 suitable for 3 phase 415Volts,50Hz AC supply with auxillary contact 1NO + 1 NC for motor operation -02nos or as per requirement of panel designer Note: (a) The MCCB voltage rating must match the name plate voltage of the motor. (b)The starter/VFD shall have necessary protection device (MPCB +EOCR) whose settings and ratings shall be as per the type-2 co-ordination chart.(c) The starter shall have inbuilt protection against overcurrent, short circuit and single phasing. (d)Contractor shall submit the following Test report i.e. IP Test Report and verification of short circuit withstand test report issued by CPRI in respect of LT Panel and GA drawing for approval before procurement.

Supply, installation, testing and commissioning of Main LT panel indoor type floor mounted confirming of IS 8623 Part (one), CPRI approval, totally enclosed vermin proof suitably ventilated, factory built, modular, sectionalised, compartmentalized, extendable type suitable for operation on 3 phase, 4 wire 433/415 Volts, 50Hz, AC supply complete all as per following specifications:- (i) The outer sheel shall be fabricated out of 2.0mm thick CRCA sheet & MS angle section of suitable size for frame and compartmentalized inner shell shall be fabricated of out of 1.6 mm thick CRCA sheet for control gear. (ii) Front and back door operating with locking arrangement at front . (iii) The panel shall have vibration free structure with Protection of enclosure IP 55 as per IS-2147 of 1962 with pre-treatment trhough 7 tank hot chemical process prior to powder coated with minimum 50-70 micron of approved colour. (iv) The bottom of outer shell contains a detachable gland plates shall be fabricated out of 3mm thick CRCA sheet having provision for entry of armoured cable of adequate size complete with stiffeners wherever required. (v) The bottom base channel of section not less than 100mmX 50mmX 5 mm thick, fabrication shall be done in transportable sections. (vi) The entire panel shall have a common earth bar of required size at the rear with 2 Nos. earth stud, connections and interconnection with solid conductor wires / copper strips, neutral links, control wiring with 1.5 sqmm. & 2.5sqmm.

(vii) The panel shall be provided with manufacturer name plate, heavy duty SS cable glands of adequate size for incoming and outgoing cables. (viii) Computer cut self adhesive vinyl danger notice plate having conventional symbol of bones and skull to be provided. (ix) EPDM gasket of appropriate shape and size provided at all joints, door and covers including suitable size angle iron/flat iron frame work/support required with four legs 60cm long using angle iron 40x40x6mm duly painted with anti corrosive paint, air passing holes and locking arrangement at front with duplicate keys and making connection of incoming and outgoing cable using proper cable lugs, 4 x legs grouted in PCC 1:2:4 and making good distrubed surface complete including providing and fixing following switch gears and as per schedules and technical specifications etc. (x) The panel shall be designed for suitable for motors of chiller unit/cooling tower/and pumps complete as required and comprising of the following:- (A) (i) TPN aluminium electrolytic grade high conductivity bus bar of rating not less than the 1.5 times the rated capacity of incomer MCCB shall be insulated with colour coded heat shrinkable sleeves and mounted on suitable size F class insulators made of non-hygroscopic , non-combustible, track resistant, high strength FRP/MC/DMC material at an interval not more than 500mm through out the length of bus bar along with extension and interconnected bus bar. The extension link shall not be less than 300mm long supported on suitable size F class insulators for termination of incoming and outgoing cables. All control wires shall be with 2.5sqmm FRLS multi stranded copper conductor and shall be properly bunched , tied, ferruled for proper identification and crimped with adequate size of lugs (ii) Digital multifunction meter (V,A,KW,KWH), 415 AC alongwith C.T's of suitable ratio (set of three), class 1.0, complete for metering (iii) Indication lamps LED type (RYB) =01 set of three.(iv) MCB SP 6A 'C' series for control ckt protection = 03Nos, including VFD compartment (Item for VFD considered under Item No. 66 above)

(B). INCOMER (i) MCCB 630 Amp 4 pole, 50 KA, lcs = 100% lcu, with fixed magnetic and adjustable thermal release, adjustable overload 80-100% and adjustable short ckt 5 to 10 ln setting complete with phase seperator - 01 nos (C). OUTGOING 1.1KW DOL STARTER - 2 nos ( Pressurised tank pumps) 3 KW DOL STARTER - 3 NOS.( Primary chilled water pumps) 5.5 KW STAR DELTA STARTER - 3 NOS. ( Secondary water pumps) 5.5 KW STAR DELTA STARTER - 3 NOS. ( condenser water pumps) 7.5 KW STAR DELTA STARTER - 3 NOS.(Cooling tower) 50 KW STAR DELTA STARTER - 3 NOS.( Chiller) 2 KW DOL STARTER - 3 NOS.(Hot water Pumps) 7.5 KW STAR DELTA STARTER - 3 NOS.(HWG) MCCB 100 amp 4 pole -03 Nos ( 2W + 1S) for HWG MCCB 160 amp 4 pole -03 nos for chiller 1, chiller 2 & chiller 3 MCCB 63 amp 4 pole -04 nos for AHU of AC Plant 01 & 02 Note: (a) The MPCB voltage rating must match the name plate voltage of the motor. (b) The starter/VFD shall have necessary protection device (MPCB +EOCR) whose settings and ratings shall be as per the type-2 co-ordination chart. (c) The starter/VFD shall have inbuilt protection against overcurrent, short circuit and single phasing. (d) Contractor shall submit the following test report i.e. IP Test Report and verification of short circuit withstand test report issued by CPRI in respect of LT Panel and GA drawing for approval before procurement.

Material and labour for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 120 sqmm x 3.5 core complete all as specified and as directed. (for water cooled screw chillers)

Material and labour for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 95 sqmm x 3.5 core complete all as specified and as directed. (for Hot water generator)

Material and labour for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 35 sqmm x 3.5 core complete all as specified and as directed. (for Primary pump )

Material and labour for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 50 sqmm x 3.5 core complete all as specified and as directed. (for Secondary pump)

Material and labour for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 50 sqmm x 3.5 core complete all as specified and as directed. (for Condensor pump )

Material and labour for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 35 sqmm x 3.5 core complete all as specified and as directed. (for Hot water pumps)

Material and labour for XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 50 sqmm x 3.5 core complete all as specified and as directed. (for Cooling tower)

Excavating in trenches not exceeding 1.50 mtr wide and not exceeding 1.50 mtr in depth, taking out and laying of cables, etc. and getting out in soft/ loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc. 250mm in soft/loose soil complete all as specified and as directed.

Removing excavated materials (soils) not exceeding 50.00 mtr and depositing where directed at a level not exceeding 1.50 mtr above the Starting Point in Soil complete all as specified and as directed. Note:- Earth Work (i.e Excavation, returning filling and returning of soil) for chilled water and hot water pipe line of AC Plant along with XLPE cable considerd under item no 78 to 80.

Horizontal boring for passing GI protection pipe up to 100 mm bore dia, under road / foot path, not exc. 10.00 metre in a single length complete all as specified and as directed.

Material and labour for sand cushioning (dry) in trenches for protection of UG Cables (below, above and around the UG Cable laid in Trenches) of 230mm Spread thick -ness and consolidated (punned) upto 180mm thickness, complete all as specified and as directed. Note: For the purpose of payment, punned thick-ness of sand cushioning only shall be measured and paid.

Supply and fixing fly ash brick work old size, locally available best quality laid in trenches above sand cushioning for cable protection complete all as specefied and directed.

Supply, Installation, testing and commissioning of prefabricated type cable tray of size 150 mm width x 50 mm depth x 1.6 mm thickness, fabricated out of perforated hot dip galvanized sheet of minimum 1.6mm thick (galvanisation thickness not less than 50 microns), perforation not more than 17.5%, 50mm flange to be installed horizontally or vertically including cost of bends, elbows, cross, tees, reducers etc. site condition and rate shall include cost of anchor fastners, screw, nuts, bolts and misc and other fixing hardware painting of support structure etc as required complete all as specified and as directed.

Supply, Installation, testing and commissioning of prefabricated type cable tray of size 300 mm width X 50 mm depth X 1.6 mm thickness, fabricated out of perforated hot dip galvanized sheet of minimum 1.6mm thick (galvanisation thickness not less than 50 microns), perforation not more than 17.5%, 50mm flange to be installed horizontally or vertically including cost of bends, elbows, cross, tees, reducers etc. site condition and rate shall include cost of anchor fastners, screw, nuts, bolts and misc and other fixing hardware painting of support structure etc as required complete all as specified and as directed.

Supply, Installation, testing and commissioning of prefabricated type cable tray of size 450 mm width x 50 mm depth x 2 mm thickness, fabricated out of perforated hot dip galvanized sheet of minimum 1.6mm thick (galvanisation thickness not less than 50 microns), perforation not more than 17.5%, 50mm flange to be installed horizontally or vertically including cost of bends, elbows, cross, tees, reducers etc. site condition and rate shall include cost of anchor fastners, screw, nuts, bolts and misc and other fixing hardware painting of support structure etc as required complete all as specified and as directed.

Material and labour for providing earthing with copper earth plate electrode 600x600x3.15mm buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of the earth plate not less than 1.5M below ground level connected to copper strip 20x3mm thick for earthing lead fixed by means of nuts, bolt, washers etc of copper / brass connected to earth test point complete all as specified in electrical plate No 3 of SSR 2009 Part I, including necessary excavation and earth work in any strata of soil, GI water pipe with 20mm dia medium grage pipe, funnel, GI Protection pipe light grade 32mm dia and wire mesh PCC pit with CI cover and frame etc. complete all as specified and directed. Note:- (i) All the joints shall be made with copper bazing to get proper conductivity. (ii) Item includes 7.5M Copper Strip as earth lead and 7.5M GI pipe as protection for earth lead. Any additional length of Copper strip shall be measured and paid saperately under respective of this schedule and GI protection Pipe shall be measured and paid through deviaton order.

Supply and fixing copper strip with insulator and connected accessories of size 20x3 mm as earth contunity conductor complete all as specified and directed.

SCHEDULE 'A' PART II (COMPREHENSIVE MAINTANANCE)

Material and labour for comprehensive maintenance of AC Plant complete installation including any type of material i.e. parts and labour of AC Plant all as specified and as directed for the following plants after defect liablity period i.e 24 Months from the satisfactory completion of phase -I test complate all as specified and as directed.

(a) Comprehensive maintenance of AC plant for Igloo No. 1, 2, 16 & 17

(b) Comprehensive maintenance of AC plant for Igloo No. 10, 11 & 12

All as per serial item No. 89 above, but after the expiry of 12 months period under serial item No.89 (Second Year)

(a) Comprehensive maintenance of AC plant for Igloo No. 1, 2, 16 & 17

(b) Comprehensive maintenance of AC plant for Igloo No. 10, 11 & 12

All as per serial item No. 89 above, but after the expiry of 12 months period under serial item No.90 (Third Year)

(a) Comprehensive maintenance of AC plant for Igloo No. 1, 2, 16 & 17

(b) Comprehensive maintenance of AC plant for Igloo No. 10, 11 & 12

SCHEDULE 'A' PART III (MANNING AND OPERATION)

Outsourcing for Manning and Operation of AC plants (02 Nos) complete installation (checking machine) with compressor, condenser & chiller etc running on refrigerant, water cooled condenser electrical control panel, monoblock pump set electrically driven by the 3 phase 415 volts, FRP cooling tower electrically operate, air Handling unit (3 Nos AHUs under one AC Plant & 4 Nos AHUs under another AC Plant complete for three shifts of 8 hours each per day for the each plant after 12 months period from the date of completion of phase I test including sundays & holidays and as directed.

All as per serial item No. 92 above, but after the expiry of 12 months period under serial item No.92 (Second Year)

All as per serial item No. 92 above, but after the expiry of 12 months period under serial item No.93 (Third Year)

All as per serial item No. 92 above, but after the expiry of 12 months period under serial item No.94 (Fourth Year)

All as per serial item No. 92 above, but after the expiry of 12 months period under serial item No.95 (Fifth Year)

Leo Air and Power Solution pvt Ltd. (BID ID -3074240)

Parksons Engineering Company Pvt Ltd (BID ID -3070480)

BRITE INDUSTRIES (BID ID -3079814)

Airef Engineers Pvt Ltd (BID ID -3074190)

NAFREF ENGINEERS PVT LTD (BID ID -3073535)

India Guniting Corporation (BID ID -3074519)

M/s R.L.PAREEK (BID ID -3070597)