CEWAC/AMB/T-26/2018-19

Amount

CHILLER PLANT

Supply, Installation, testing and commissioning of water cooled DX/Flooded type Chiller scroll with Single/double circuit 3 x 30 TR ( 2 No working at a time and 1 No standby),(Next higher capacity will be taken in case this capacity is not standard OEM product) Each unit shall consist of scroll Chiller with hermetic / Semihermetic compressor (twin screw compressors) suitable for R407C Refrigerant, with Slider valve mechanism for stepless un loading, Shell and tube water cooled Condenser, Insulated Shell and tube Evaporator, Micro Processor Plant Manager all as supplied by OEM as part of Chiller Package. The Unit mounted starter panel with double door construction shall be single Power point type complete with IP 55 Degree protection, consisting of MCCBs, Star Delta starters for 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. ( 1 No each for each chiller) The unit shall be complete with Discharge Service valves to isolate refrigeration circuits, vibration Isolators to isolate chiller from building structure, pressure gauges on suction and discharge sides Electronic expansion valves, solenoid valves, anti-freeze thermostats, refrigerant piping with Insulation for suction line, accessories of Safety valve, angle valve, liquid line indicator, water flow switch, Relief valve, Isolating valves and including MS stand to install the chiller units fabricated out of suitable size of structural steel sections etc. all as per OEM. All accessories housed in a single chasis design. The noise level measured at a distance of 1 Mtr from the machine at anywhere in the plant room shall not exeed 85 dBA. The chilled water type AC plant will be suitable for operation on 3 phase AC 50Hz supply of capacity The Compressor shall have step less control from 100% to percentage that can be achieved by operation of number of compressors as per load requirement of rated capacity. The unit shall be factory tested as per AHRI standard 550/590 latest edition test bed, The contractor shall produce test certificate to this effect.

The conditions for Condensor and Chiller are as under:- Condenser: water in 85 Deg F water out 95 Deg F Fouling factor 0.001 FPS (hr-sq-ft-deg F)/Btu Flow-120 USGPM for each chiller Chiller: CHW in 54 Deg F CHW out 44 Deg F Fouling factor 0.0005 FPS (hr-sq-ft-deg F)/Btu Flow-75 USGPM The rate quoted for above package includes for (i) Microprocessor based control depicting all parameters of the chilling plant. (ii) Civil work of masonry foundations for chilling units. - 1 Lot. The rate quoted for above package deemed includes for :- (i) Provn of micro processor controlled capacitor bank to ensure PF of 0.95. (ii) Cabling shall be with XLPE insulated 1100 Volts fire retardant armoured type copper cable. (iii) Civil work of masonry for chilling unit. (iv) Cable tray on MS angle iron support of appropriate size. GENERAL NOTE: (i) The contractor is responsible to achieve the desired, temperature, humidity and air flow/ throw in the conditioned areas for efficient and smooth of the plant and machinery if any additional spares and specialized workmanship is required the same shall be provided by the contractor without any extra cost to the department. (ii) Cost for all the consumable lilke refrigerant, refrigerant oil, inert gas etc. is deemed to be included in the quoted rate by the contractor. (iii) In case of mentioned capacity of chiler is not available in standard capacity as specified in the respective items the next higher capacity with be provided by the contractor without any extra cost to department.

Supply, Installation, testing and commissioning of water cooled DX/Flooded type Chiller scroll with Single/double circuit 3 x 21 TR( 2 No working at a time and 1 No standby), (Next higher capacity will be taken in case this capacity is not standard OEM product). Each unit shall consist of scroll Chiller with hermetic / Semihermetic compressor (twin screw compressors) suitable for R407C Refrigerant, with Slider valve mechanism for stepless un loading, Shell and tube water cooled Condenser, Insulated Shell and tube Evaporator, Micro Processor Plant Manager all as supplied by OEM as part of Chiller Package. The Unit mounted starter panel with double door construction shall be single Power point type complete with IP 55 Degree 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. ( 1 No each for each chiller) The unit shall be complete with Discharge Service valves to isolate refrigeration circuits, vibration Isolators to isolate chiller from building structure, pressure gauges Electronic expansion valves, solenoid valves, anti-freeze thermostats, refrigerant piping with Insulation for suction line, accessories of Safety valve, angle valve, liquid line indicator, water flow switch, Relief valve, Isolating valves and including MS stand to install the chiller units fabricated out of suitable size of structural steel sections etc. all as per OEM. All accessories housed in a single chasis design. The noise level measured at a distance of 1 Mtr from the machine at anywhere in the plant room shall not exeed 85 dBA. The chilled water type AC plant will be suitable for operation on 3 phase AC 50Hz supply of capacity The Compressor shall have step less control from 100% to percentage that can be achieved by operation of number of compressors as per load requirement of rated capacity. The unit shall conform to ECBC norms as under:- The unit shall be factory tested as per and it shall be tested on AHRI standard 550/590 latest edition test bed.The contractor shall produce test certificate to this effect.

The conditions for Condensor and Chiller are as under:- Condenser: water in 85 Deg F water out 95 Deg F Fouling factor 0.001 FPS (hr-sq-ft-deg F)/Btu Flow- 84 USGPM for one chiller Chiller: CHW in 54 Deg F CHW out 44 Deg F Fouling factor 0.0005 FPS (hr-sq-ft-deg F)/Btu Flow-53 USGPM for one chiller The rate quoted for above package includes for (i) Microprocessor based control depicting all parameters of the chilling plant. (ii) Civil work of masonry foundations for chilling units. - 1 Lot. The rate quoted for above package deemed includes for :- (i) Provn of micro processor controlled capacitor bank to ensure PF of 0.95. (ii) Cabling shall be with XLPE insulated 1100 Volts fire retardant armors type copper cable. (iii) Civil work of masonry for chilling unit. (iv) Cable tray on MS angle iron support of appropriate size. GENERAL NOTE: (i) The contractor is responsible to achieve the desired, temperature, humidity and air flow/ throw in the conditioned areas for efficient and smooth of the plant and machinery if any additional spares and specialized workmanship is required the same shall be provided by the contractor without any extra cost to the department. (ii) Cost for all the consumable lilke refrigerant, refrigerant oil, inert gas etc. is deemed to be included in the quoted rate by the contractor. (iii) In case of mentioned capacity of chiler is not available in standard capacity as specified in the respective items the next higher capacity with be provided by the contractor without any extra cost to department.

Design, Supply, installation, testing and commissioining of Centrifugal End Suction back pull out, vertically split casing pumping set for condenser water circulation system.The pump shall be suitable for the given duty points -3 Nos Each of 100 % Capacity(Out of Three pumps, two will be working and one will be stand by) (i) Water Quantity for each pump - 120 US GPM (ii) Static Head - 30 M (iii) Speed - 1450 RPM (iv) Impeller - Bronze (v) Shaft - High Tensile steel (vi) Pump/motor body- CI (vii) Seal - Mechanical (viii) Motor - Suitable HP, Sqirrel Cage SPDP,Class 'B' Insulation (ix) Starter - Star-Delta (x) Base frame - Fabricated MS (xi) Foundation - RCC/PCC Foundation as per OEM Recommendations Note:The pumps should be provided with Anti Vibration Pads and RCC/Cement concrete Foundation.Rubber bellows shall be provided on suction and discharge sides for vibration isolation. 2 Nos 150 mm dia dial type pressure gauges for inlet/outlet shall also be provided. Capacity of pump shown is minimum, however this will increase as per OEM requirement. The cost quoted by the contractor includes all above and any other requirement as per OEM.

Design, Supply, installation, testing and commissioining of Centrifugal End Suction back pull out, vertically split casing pumping set for condenser water circulation system.The pump shall be suitable for the given duty points -3 Nos Each of 100 % Capacity(Out of Three pumps, two will be working and one will be stand by) (i) Water Quantity for each pump - 84 US GPM (ii) Static Head - 30 M (iii) Speed - 1450 RPM (iv) Impeller - Bronze (v) Shaft - High Tensile steel (vi) Pump/motor body- CI (vii) Seal - Mechanical (viii) Motor - Suitable HP, Sqirrel Cage SPDP,Class 'B' Insulation (ix) Starter - Star-Delta (x) Base frame - Fabricated MS (xi) Foundation - RCC/PCC Foundation as per OEM Recommendations Note:The pumps should be provided with Anti Vibration Pads and RCC/Cement concrete Foundation.Rubber bellows shall be provided on suction and discharge sides for vibration isolation. 2 Nos 150 mm dia dial type pressure gauges for inlet/outlet shall also be provided. Capacity of pump shown is minimum, however this will increase as per OEM requirement. The cost quoted by the contractor includes all aboveand any other requirement as per OEM.

Description complete all as per item No. 1.04 here in before but 3 Nos Pumps for Chillers, dedicated pump sets for each Chiller.Pump Sets duly insulated with Nitrile rubber (Min 25 mm thick ) all as specified and conforming to following parameters. (i) Water Quantity fo each pump - 75 US GPM (ii) Static Head - 41 M Other Parameters same as per Condensor Pump Note for Items 2 & 3 :(i) The Contractor shall provide calculations for Head of the Pump and get calculation shall approved from GE before placing order for purchase.

Description complete all as per item No.1.04 here in before but 3 Nos Pumps for Chillers, dedicated pump sets for each Chiller.Pump Sets duly insulated with Nitrile rubber( Min 25 mm thick ) all as specified and conforming to following parameters. (i) Water Quantity fo each pump -53 US GPM (ii) Static Head - 41 M Other Parameters same as per Condensor Pump Note for Items 2 & 3 :(i) The Contractor shall provide calculations for Head of the Pump and get calculation shall approved from GE before placing order for purchase.

Design, Supply, installation, testing and commissioining of FRP cooling tower of suitable heat rejection capacity with FRP water basin PVC fills, water distribution arrangement with self rotating sprinklers or fixed nozzles of PVC construction, statically and dynamically balanced axial flow fan direct driven, TEFC energy efficient motor conforming to IS 12615, suction screen, make-up and quick fill arrangement, overflow and drain connections, suitable GI inspection ladder, steel supporting structure, antivibration mounting etc, complete as per manufacturer's design/specifications. (i) Capacity - 70 TR (ii) Water Flow - 240 US GPM (iii) Water in - 95° F (iv) Water out - 85° F (v) Design wet bulb temp - 80° F (vi) Min approach for Cooling Tower - 5°F The highest WBT is for monsoon (82°F) and Condenser piping is designed for 4 US GPM. The Cooling tower shall meet the load in both summer and monsoon.

Design, Supply, installation, testing and commissioining of FRP cooling tower of suitable heat rejection capacity with FRP water basin PVC fills, water distribution arrangement with self rotating sprinklers or fixed nozzles of PVC construction, statically and dynamically balanced axial flow fan direct driven, TEFC energy efficient motor conforming to IS 12615, suction screen, make-up and quick fill arrangement, overflow and drain connections, suitable GI inspection ladder, steel supporting structure, antivibration mounting etc, complete as per manufacturer's design/specifications. (i) Capacity - 51 TR (ii) Water Flow - 204 US GPM (iii) Water in - 95° F (iv) Water out - 85° F (v) Design wet bulb temp - 80° F (vi) Min approach for Cooling Tower - 5°F The highest WBT is for monsoon (82°F) and Condenser piping is designed for 4 US GPM. The Cooling tower shall meet the load in both summer and monsoon.

Supply, laying, fixing, testing and commissioning of chilled water piping class 'c' heavy duty mild steel inside trenches with all necessary fabricated fittings such as bends, tees, reducers etc, and supports such as clamps, anti vibration hangars/pads etc duly insulated with pipe sections of Fire retardent quality expanded polystyrene moulded pipe section of density 36 Kg per cum conforming to IS 12436 and thickness 50 mm upto 125 mm pipe and 75 mm thick for pipes 150 mm and above. The insulation applied after a thick coat of cold setting adhesive(CRPX compound) wrapping with 500 gm/sqm polythene faced hessian cloth sheet (vapour barrier seal) (Fire retardent grade) and secured with 0.5 mm x 20 mm GI wire mesh and 2 coats of cement plaster (1:4) 20 mm thick in 2 layers(each layer of 10 mm) and water proofed by applying hot bitumen and fixing tar felt over the plaster. 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.The pipes are required for installing outside the Building burried in ground. The size of pipes shall be 65mm Pipe as per ISI 1239 (50 mm thick insulation)

Description complete all as per item no 1.09 here in before but for 25 mm pipe (32 mm thick insulation of closed cell useful upto 220° F elastomeric insulation) for hot water supply

Supply, laying, fixing, testing and commissioning of chilled water piping class 'c' heavy duty mild steel outside the building all along the wall/roof (with necessary fittings, clamps and vibration isolators but excluding valves/strainers/pr gauges) adequately supported on rigid supports and duly insulated with pipe sections of Fire retardent quality expanded polystyrene moulded pipe section of density 36 Kg per cum and thickness 50mm, applied after a thick coat of cold setting adhesive(CRPX compound) wrapping with a layer of 120 gm/sqm polythene faced hessian cloth sheet (vapour barrier seal) (Fire retardent grade) and secured with 0.63 mm Aluminium sheet cladding complete with type 3, grade 1 roofing felt strip (as per IS:1322) at the joints and repairing of damage to the buildings if any etc as per specifications and as required complete in all respects. The size of pipes shall be 65 mm Pipe(50 mm thick insulation)

Description complete all as per item no 1.11 here in before but for 25 mm pipe (32 mm thick insulation of closed cell useful upto 220° F elastomeric insulation) for hot water supply

Supply, laying, fixing, testing and commissioning chilled water piping 100 mm Pipe(32 mm thick insulation) inside the building (with necessary clamps, vibration isolators and fittings, but excluding valves/strainers/pr gauges etc) adequately supported on rigid supports and duly insulated with closed cell elastometric nitrile rubber of class 'O' insulation and insulation applied by adhesive confirming to standard OEM specifications secured with 0.511mm Aluminium sheet cladding complete with type 3, grade 1 roofing felt strip (as per IS:1322) at the joints and repairing of damage to the buildings if any etc as per specifications and as required complete in all respects. Note: The Pipe of size 150 mm & below shall be M.S heavy class as per IS-1239. The pipe shall be tested at 1.5 times nominal pressure prior to insulation at joints and other connections. The pressure shall be retained for 24 hours. Engineer in charge shall witness this test and produce a certificate to this effect.

Description complete all as per item no 1.13 here in before but for 80 mm Pipe (32 mm thick insulation)

Description complete all as per item no 1.13 here in before but for 65 mm Pipe(32 mm thick insulation)

Description complete all as per item no 1.13 here in before but for 25 mm pipe ( 25 mm thick insulated with nitril rubber)

Supply, fixing, testing and commissioning in position the Butter Fly Valves (Manual) with CI body 100 mm dia(50 mm Insulation), Stainless steel disc, nitrile rubber seal & O ring, PN 1.6(16 bar) Pressure rating for chilled water circulation, strainers etc, in chilled water line complete with flanges etc, and duly insulated with uniformly cut pieces from slabs of expanded polysterene, covered with 500 gm/sqmtr polythene faced hessian cloth sheet (vapour barrier seal) (Fire retardent grade) with 50mm overlap and 26 G Aluminium cladding. Care shall be taken to ensure that no damage would be caused to the insulation when valves, stariners are in operation.

Description complete all as per item no 1.17 here in before but for 80 mm(50 mm insulation)

Supply, fixing, testing and commissioning in position the Motorised Butter Fly Valve (NC)with all the features as per BS-7350 above, 80 mm dia(50 mm Insulation) but including Motor and electric connections, in chilled water line complete with flanges etc, and duly insulated with uniformly cut pieces from slabs of expanded polysterene, covered with 500 gm/sqmtr polythene faced hessian cloth sheet (vapour barrier seal) (Fire retardent grade) with 50mm overlap and 26 G Aluminium cladding. Care shall be taken to ensure that no damage would be caused to the insulation when valves, stariners are in operation.

Supply, fixing, testing and commissioning in position the 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 chilled water circulation, 80 mm dia(50 mm Insulation), in chilled water line complete with flanges etc, and duly insulated with uniformly cut pieces from slabs of expanded polysterene, covered with 500 gm/sqmtr polythene faced hessian cloth sheet (vapour barrier seal) (Fire retardent grade) with 50mm overlap and 26 G Aluminium cladding. Care shall be taken to ensure that no damage would be caused to the insulation when valves, stariners are in operation

Supply, fixing, testing and commissioning in position the Y type Strainer (40 mesh) of ductile Iron body flanged ends with stainless steel strainer , in chilled water line complete with flanges etc, and duly insulated with uniformly cut pieces from slabs of expanded polysterene, covered with 500 gm/sqmtr polythene faced hessian cloth sheet (vapour barrier seal) (Fire retardent grade) with 50mm overlap and 26 G Aluminium cladding. Care shall be taken to ensure that no damage would be caused to the insulation when valves, stariners are in operation 80 mm (50 mm insulation)

Supply, fixing, testing and commissioning in position 3 Way Mixing Valve 3 Way modulating proportional linear type motorised mixing valve BS 4504 PN 10-PN 40 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 suitable for 24.0 US GPM. Note:Proportional thermostat is included in AHU. The rated quoted by the contractor is for 3 way valve and actuator

Description complete all as per item no 1.22 here in before but suitable for 48 US GPM

Supply, fixing, testing and commissioning 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 shall BS 7350 marked and have 2 pressure port 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 16 (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 2.134 M. A pressure and temperature Kit shall be provided with the ability to read differential pressure from 0-5.2 Kg/cm² and temperature from 0 to 20 deg centigrade The valve shall be suitable for flange connection for following GPMs suitable for 48 US GPM (without Pr & Temp kit) (AHU-FF). Note: Slight variation in specifications from one make to another is acceptable

Description complete all as per item no 1.24 here in before but suitable for 25 US GPM (without Pr & Temp kit (AHU-FF)

Supply, installation & testing of water flow pressure differential switches in chilled water line 80 mm dia complete as reqd and as specified.

Supply, installation & testing of water flow pressure differential switches in chilled water line 65 mm dia complete as reqd and as specified.

Supply, installation & testing of Victualic coupling for connecting to Chiller 80 mm dia

Supply, installation & testing of Victualic coupling for connecting to Chiller 65 mm dia

Supply & installation and testing of bourdon type Pressure Gauges 100 mm dia dial complete with fittings, isolation valve etc. complete as required for chilled water pipe.

Supply & installation of Pressure Gauge plug complete with fittings, isolation valve etc. complete as required (with out pressure gauge) for chilled water pipe

Supply, installation and testing of Thermometer gauge with thermowell complete with fitting etc. as required.

Supply & installation and testing of auto air vent valve with ball valve size 32 mm dia

Supply & installation of purging valve complete with fittings viz nipple, elbow, tee, bend, socket etc size 25 mm

Supply & installation of GI 'B' class Drain water piping insulated as per chiller pipe 32 mm dia pipe (for Chiller and AHUs)

Supply, installation & testing of Gate Valves complete with fiitting like nipples, elbows, tees, bends, sockets etc. 25 mm dia size for hot water supply

Description complete all as per item no 1.36 here in before but 32 mm dia size

Description complete all as per item no 1.36 here in before but 65 mm size

Description complete all as per item no 1.36 here in before but 50 mm size

Supply, Install, test and commissioning of screwed plug for 100 mm chilled water pipe

Supply, install, testing and commissioning of PVC Expansion water tank for chilled water make up water 500 ltrs capacity. The Tank duly insulated with 50 mm thick fire retarding quality expanded polysterene of density 20 Kg/Cum and finished with sand cement plaster over chicken wire mesh and painted with 2 coats of primer and 2 coats of synthetic enamel paint of approved shade. This Expansion water tank shall be complete with float valve, overflow, drain and make up water connection. The tank shall be connected to suction side of pump with all fittings including necessary piping duly insulated but with out any valve. The tank will be connected with make up water tank piping . Pipe used shall be measured separately.

Design, supply, laying, fixing, testing and commissioning of condenser water piping with MS heavy class as per IS-1239, pipe complete with all accessories such as bends, elbows, flanges, nut-bolts, clamps, vibration isolators(but excluding valves, strainers and pressure gauges etc), The piping shall be laid overhead in plant and underground outside the plant room and out side fixed on walls etc as per site conditions (a) The pipes are to be laid out side the building, buried in ground.The pipes shall be given 2 coats of 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 3Mtr. intervals complete of pipe size 125mm. Note: 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.

Description complete all as per item no 1.42 here in before but 100 mm Pipe size

Description complete all as per item no 1.42 here in before but pipes to be laid with in the plant, pipes resting on half round wooden blocks, resting on steel structures of size 125mm dia.

Description complete all as per item no 1.42 here in befor but for pipe size 100 mm dia

Description complete all as per item no 1.42 here in befor but for pipe size 80 mm dia

Supply, Fixing, testing and commissioning in position Butter Fly Valves (Manual) with CI body, Stainless steel disc, nitrile rubber seal & O ring, PN 1.6 (16 bar) Pressure rating 100 mm dia pipe including connecting pieces for fixing to 100 mm pipe complete all as specified and directed.

Description complete all as per item no 1.47 here in befor but of size 65 mm dia

Supply, fixing, testing, and commissioning in position 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 water circulation, 100 mm dia including connecting pieces for fixing to 100 mm pipe complete all as directed.

Description complete all as per item no 1.49 here in befor but of size 80 mm dia

Supply, fixing, testing, and commissioning in position 'Y' type Strainer of ductile Iron body flanged ends with stainless steel strainer 100 mm dia including connecting pieces for fixing to 100 mm pipe complete all as directed.

Description complete all as per item no 1.51 here in befor but of size 80 mm dia

Description complete all as per item no 1.51 here in befor but of size 63 mm dia

Supply, installation & testing of water flow pressure differential switches in condenser water line 100 mm dia etc. complete as required.

Supply, fixing, testing and commissioning Victualic coupling for connecting to condenser for 100 dia pipe

Supply & installation of Pressure Gauge plug complete with fittings, isolation valve etc. complete as required (without Pressure Gauge).

Supply & installation of GI pipe 'B' class for drain water piping 25 mm dia pipe size complete all as specified and directed.

Supply, installation & testing of Gate Valves complete with fiitting like nipples, elbows, tees, bends, sockets etc.25 mm dia

Supplying, installing, balanncing, testing and commissioning of factory fabricated GSS Sheet metal, rectangular/round ducting complete with neoprene rubber gaskets, elbows, splitter damper vanes, hangars, supports as per approved drawings as per Engineer in charge and specifications of following sheet thickness complete. 0.8 mm thickness sheet . 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.

Supplying, fixing, testing and commissioning of supply air diffusers of powder coated aluminium with aluminium volume control dampers complete as directed with anti smudge ring and removable core

Supplying, fixing, testing and commissioning of return air diffusers of powder coated aluminium but without volume control dampers complete as directed.

Supply, installation & testing of balancing of square shape Jet nozzle diffuser of Aluminium construction with volume control damper as per specification. Dia 315mm Jet nozzle, 1000 CFM, 20 meter throw.

Supplying, fixing, testing and commissioning of motorised combination fire & smoke dampers in supply air duct/main branch and return air duct as and where required of required sizes. The fire damper shall be motorised 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. The Fire & smoke damper shall be complete with electronic temperature sensor and electrically operated actuator and interconnecting wiring between AHU & dampers The fire damper shall be located in the supply / return air ducts.The control panel shall be located such that the reset can be done easily. Fire Damper

Description complete all as per item no 1.62 here in before but for Actuator with smoke/fire sensor

Supplying and fixing Accoustic insulation for a length of 5 mtr from plant room, Insulation shall be carried out with 25 mm thick, 32 kg/m3, rigid bonded fibreglass covered with RP tissue. 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 and 25 x 25 x 1.5 mm 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 fixed to inside surface of the duct with cadmium plated nuts, bolts, stick pins complete as required and as per specifications

Supply, Install,test and commission under deck insulation with with Resin Bonded Fibre glass wool conforming to IS:8193 and density 24 kg/cum, 60 mm thick, wrapped in 200 G Virgin polythene bags fixed to ceiling with metallic cleats (50 x 50 x 3 mm ) @ 60 cm centre to centre and wire mesh of 12.5 mm x 24 G wire mesh for top most ceiling of the Building.

Supplying and fixing Accoustic insulation lining on wall of AHU Rooms with 50 mm thick, 32 kg/cum, rigid bonded fibreglass. Accoustic insulation shall be fixed in 610 mm x 610 mm frame work made out of 0.6 mm thick GI sheet U shaped channel and covered with reinforced fibre glass tissue paper and finished with 0.8 mm perforated aluminium sheet including aluminium beading of 25 mm wide and 1.00 mm thick fixed on all horizontal and vertical joints by means of screws etc complete as required and as specified.

S & F closed cell elastomeric nitrile rubber with aluminum foil laminated on one side, having thermal conductivity not exceeding 0.037 W/mK at mean temperature of 20° C as per EN 12667, moisture diffusion resistance factor or ‘µ’ value of minimum 7,000 for base insulation material without the foil as per EN 12086, fire performance such that it passes Class 1 as per BS476 Part 7 for surface spread of flame and also fire performance of V0, HB as per UL 94, 1996, density without the foil between 40 to 55 kg/cum. The insulation material shall be FM (Factory Mutual) USA approved and dust & fibre free. The Aluminium foil shall be 60 microns thick and its weight shall be 193 gsm as per EN ISO 2286-2, tensile strength 90 N / 15 mm as per EN ISO 527-3 with elongation > 10% as per EN ISO 527-3. All complete as specified in particular specifications. 13 mm thick thermal insulation

Supply, install, test and commission Factory made Double skin Air Handling unit (AHU) as under:-. The casing panels shall be made of sandwich construction of at least 25 mm thick injected with CFC free R141b blended Poly Urethene 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 120 gm/Sq.m galvanized Zinc(Zn) and 3% Chromate. The outer skin shall be 0.6 mm and inner skin 0.6 mm .The panels are removable type 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. The AHU shall shall be complete with filter section, mixing bag, water coil of copper tube and aluminium fins. Chilled water shall be suitable for 10 deg temperature differencial, DIDW Forward Curved Centrifugal Fan, belt driven and vibration isolators, Energy efficien motor confirming to IS 12615 suitable for 415+/- 10% volts, 50 C/S, 3 Phase AC Supply The AHU shall be suitable for conventional floor mounting (with vibration pads) for cooling and de-humidifying the air with all accessories and controls for. The required AHUs shall be comprising of following bring down RH 55 ±5%. After mixing with balanced return air, total air shall be taken to main AHU of 8350CFM capacity at 75mm wg pressure to bring down the temperature to 55 deg F Each AHU shall comprise of : (i) Cooling Coil Rows with copper tubes (As per OEM Equipment design), 12-13 aluminium fins per inch, No of Rows in each AHU shall be 6. (ii) Heating coil 2 Rows with copper tubes (As per OEM Equipment design), 12-13 aluminium fins per inch, No of Rows in each AHU shall be 2 only (iii) Pre filter having dust Filtration capacity 90% efficiency down to 10 microns(synthetic non woven, fire retardent type suported with aluminium & HDPE mesh and generally conforming to EU-3 & EU-779 specifications) (iv) Micro Vee filter having dust Filtration capacity 95% efficiency down to 5 microns conforming to EU-7 specifications. Magne helic gauges be provided to read pressure drop across the Filter bank.

Description complete all as per item no 1.68 to 1.681 here in before but After mixing with balanced return air, total air shall be taken to main AHU of 8081 CFM capacity at 75mm wg pressure to bring down the temperature to 55 deg F and Fan section fitted with statically and dynamically balanced Forward curved blower fan DIDW type suitable to 75mm static pressure with 8081 Cfm belt diven Squirrel cage, Induction Motor, TEFC, 415 V, 3 phase, 50 Hz, AC suply, class 'F' insulation. NOTE: “Temperature and Humidity digital display Panel shall be provided in each AHU Room”

Supply, Laying, jointing and testing of under ground cable XLPE insulated, 1100 volt grade heavy duty armoured with stranded aluminium conductor laid in trenches/duct/pipe including all electrical connection with required lugs and nuts, bolts complete all as specified and directed by Engr-in-Charge for 4 core 10 sqmm (For chilled water pumps, cooling tower, condenser pump)

Description complete all as per item no 1.73 here in before but for 4 core 06 sqmm (For smaller hot water pump)

Description complete all as per item no 1.73 here in before but for 4 core25 sqmm (For AHU)

Description complete all as per item no 1.73 here in before but for 3 1/2 core 35 sqmm ( For Chiller)

Description complete all as per item no 1.73 here in before but for 3 1/2 core 50 sqmm ( For Hot water generator)

Material and labour earthing complete with GI plate electrode of size 600 x 600 x 6 mm thick bured directly in ground vertically at a depth not less 2.25 mtr below normal ground level with top edge of earth plate at a depth not less than 1.5 mtr below normal ground level surrounded from all sides by 1.5 cm thick packed layer of charcoal of dust and common salt filling in alternate layers and making electrode connection by using GI strip of size 32X6 mm by means of bolts nuts check nuts and washers made of brass and earth strip protected by light grade 40 mm dia GI Pipe upto test point and connected to main switch board are main controlled board with provision of GI pipe medium grade 20mm bore for watering including funnel wire mass RCC pit cover and PCC Chamber pit with 1:2: 4 type C2 (including excavation earth work) all as specified and shown on plate No 5 of SSR Part-1 Two earth for AC plant room and two for each AHU room

Supply and fix Galvanised iron strip 32X6 mm as earth continuity conductor including fixing arrangement on suitable size insulator complete all as directed.

Supply lay and fixing GI Tubing light grade for cable protection laid in trenches or fixed to wall / laid flooring of sizes 50 mm bore complete all as specified

Description complete all as per item no 1.80 here in before but for 80 mm bore size

Supply and fixing of Rubber Mat 2.0 mm thick one meter wide two meter long tested for LT voltage 1100 volts complete all as specified and as directed by Engr-In-Charge.

Supply fix cable tray of size 200 x 50 mm , 1.2 mm thick perforated type powder coated with coupler plates all as specified.

Supply, fix, erect, fabricate supporting structure for condensor / chilled water pipe, cable tray inside plant room and out side plant room With angle iron, flats, MS pipe of suitable sizes, nut bolt washers etc Necessary welding work involved is alo deemed to be included in quoted rate

M & L for Cement concrete in foundations filling and mass concrete type B2 (1:2:4) 40 mm graded aggregate for chiller, pumps, cooling tower etc. complete all as specified and directed by engineer in charge.

Supply, install, test and commission electric hot water generator to suit following conditions with electric panel with control and relay to switch OFF and ON electric heater and all as specified (a) Flow rate 18.9 US GPM or71.5 LPM (b) inlet temp of water 67 deg C (c) outlet temp of water 87 degC (d) Working pressure 100 PSIG Generator shall be fitted with step controller, pressure gauge with ball valve, pressure relief valve,thermometer, low level cut out, and auto vent. Generator shall be provided with 50 mm thick resin bonded fiber glass wool cladded with 0.63 mm thick Aluminium sheet on MS frame welded to generator body

Supply, install, test and commission electric hot water generator to suit following conditions with electric panel with control and relay to switch OFF and ON electric heater and all as specified (a) Flow rate 12.0 US GPM or 45.0 LPM (b) inlet temp of water 67 deg C © Outlet temp of water 87 deg C (d) Working pressure 100 PSIG Generator shall be fitted with step controller, pressure gauge with ball valve, pressure relief valve,thermometer, low level cut out, and auto vent. Generator shall be provided with 50 mm thick resin bonded fiber glass wool cladded with 0.63 mm thick Aluminium sheet on MS frame welded to generator body

Supply, install, test and commission centrifugal mono block pump for pumping hot water from hot water generator to heating coil in AHU with energy efficient motorconforming to IS 12615. The pump shall be suitable for the given duty point. Each pump shall be of 100% capacity. (Out of two pump one will be working and one will be standby).The pumps shall be insulated with closed cell useful upto 220°F elastomeric insulation of 25 mm thick with rapped water proof fabric cloth all as specified and directed by engineer in charge. (a) water quantity 73 LPM (b) Static head 20 mtr (c) RPM of motor 1450 (d) Impeller Bronge (e) Shaft High tensile steel (f) Pump / motor body CI (g) Seal Mechanical (h) Motor Suitable HP, squirrel cage SPDP having class B insulation (j) startor star delta/ DOL startor (k) Base frame MS fabricated (l) Foundation RCC/ PCC foundation as per OEM recommendation

Supply, install, test and commission centrifugal mono block pump for pumping hot water from hot water generator to heating coil in AHU with energy efficient motorconforming to IS 12615. The pump shall be suitable for the given duty point. Each pump shall be of 100% capacity. (Out of two pump one will be working and one will be standby).The pumps shall be insulated with closed cell useful upto 220°F elastomeric insulation of 25 mm thick with rapped water proof fabric cloth all as specified and directed by engineer in charge. (a) water quantity 45 LPM (b) Static head 20 mtr © RPM of motor 1450 (d) Impeller Bronge € Shaft High tensile steel (f) Pump / motor body CI (g) Seal Mechanical (h) Motor Suitable HP, squirrel cage SPDP having class B insulation (j) startor star delta/ DOL startor (k) Base frame MS fabricated (l) Foundation RCC/ PCC foundation as per OEM recommendation

Supply, installing, balancing, testing and commissioning of factory fabricated GSS sheet metal rectangular/ round ducting compelete with neoprene rubber gaskets, elbows, splitter damper vanes, hangars, with necessary supports complete all as directed by engineer in charge for supply and return air duct of size 16 SWG thickness sheet. 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 IS-277

Supply, installing, testing and commissioning of outside insulation with rock wool insulation conforming to IS:8183 and density 50 kg/cum, 50mm thick fixed with provisioning of GI pins and covered with chicken wire mesh 24 G of 25x25mm and finished with sand cement plaster 1:3 and 15mm thick with, comelauge painting complete all as specified and directed.

M & L including T&P for horizontal boring the road for passing of GI/MS pipe line of size 50 to 80mm as required comoplete as directed

M & L incldung T & P for cutting of wall for insertion of AC supply and return duct, making good the distrubed wall surface to match with existing including necessary brick massonary and plastering work in cement mortar 1:4 complete all as specified and directed.

M&O for upto Seasonal Test. M&O of Central AC plant all as described in relevant item here in before 3x21 TR (Plant No 3) (2 working at a time and 1standby) in three shifts round the clock (each shift of 8 hours) including Sunday and Holiday. Replacement of minor items as required for operation of the AC Plant as specified for its smooth and efficient functioning to achieve desired temperature and other conditions from completion of Phase-I portion of the work to the last seasonal Phase-II test (for AC Plant No 3 for M6 & M7”. Note : Manning of plant No 3 shall be provided just after completion of Phase-I test and upto last seasonal Phase-II test.

M&O of Central AC plant all as described in relevant item here in before for 3x21 TR (Plant No 2) 3x30 TR (Plant No 1) (2 working at a time and 1standby) in three shifts round the clock (each shift of 8 hours) including Sunday and Holiday. Replacement of minor items as required for operation of the AC Plant as specified for its smooth and efficient functioning to achieve desired temperature and other conditions from completion of Phase-II portion of the work (after completion of Phase-I test (for AC Plant No 2 for M4 & M5 buildings and for AC Plant No 1 for M1,M2 & M3 buildings”.) Note : Manning of AC plant No 1 & 2 shall be provided for plant No 1 & 2 after completion of Phase-I test and upto last seasonal Phase-II test.

M&O after Completion of Seasonal Test. Description complete all as per item No 2.00 here in before but from the date of last seasonal test.

Description complete all as per item No 2.01 here in before but from the date of last seasonal test.

Note for Srl Item No 2.00 to 2.03 :- Operator shall be having ITI certificate in relevant trade with minimum 2 yrs experience or having 5 yrs experience of similar trade shift timings :- Ist shift 0600 to 1400 hrs, 2nd shift 1400 to 2200 hrs 3rd shift 2200 to 0600 hrs Note for Sl item No 1 to 4 :- (i) Records for daily & periodic checks to be maintained by the contractor duly signed by operator & concerned executive. The cost of required stationary & equipments etc. is deemed to be included in quoted rate. (ii) The operation will be started from the next immediate day/date of completion of phase-I work. (iii) During contract liability period no extra cost will be paid against any spare required to be replaced and consumed used. (iv) Life insurance and ESI medical facilities of Govt. for all the personnel shall be done by the contractor and copy of the policy to be submitted to the deptt. (v) Minimum T&P required for the operator to be provided by contractor. (vi) All safety device required for the operator to be provided by contractor. (vii) Any damages to the machinery/operator occurred due to miss handling of equipment will be compensated by contractor. (viii) Minimum wages to be paid by contractor through nationalized bank ESC mode as per labour commission Act. (ix) Weekly off as per labour act to be given to the operator & reliever to be provided by the contractor at no extra cost. (x) PPF should be necessary for all candidate. (xi) Contractor has to provide 02 pair of protective clothing overall combination with leather shoes one pair (as approved by Department) to each operator.

(xii) In case of absenteeism of any Operator/helper in a shift/duty, double the amount of shifts will be recovered from the contractor. (xiii) After completion of work contractor shall return all the temp passed to AF authorities and certificate to be obtained & the same be enclosed with final bill. (xiv) Contractor shall obtain a affidavit from all deployed operators /tradesmen /helpers that they are deployed temporary by the contractor through outsourcing & They have no legal binding/with department regarding/employment/permanency of job. Any court cases due to accident /break of jobs/compensation occurring due to any labour conflict during the contract period is to be dealt by contractor only. (xv) The age of all deployed operators /tradesmen/helpers should be 18 to 60 years old. (xvi) Operator/helpers will use their own conveyance to reach duty place/ locations. (xvii) Running of plant will be made by the contractor covering three shifts of 08 hours failing which recovery of quoted rate per shift will be made. In addition, a penal recovery two times of quoted rate per shift will be made.

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FRIZO INDIA PVT LTD

CHILL POINT ENGINERES PVT LTD

Leo Air and Power Solution pvt Ltd.