Tender For Provn Of Air Conditioning For Infrastructure At Af Stn Halwara, Halwara-Punjab

TDR : 50728121

Tender Notice
Corrigendum Details
BOQ

Expired

Halwara , Punjab

Tender Brief : Corrigendum : Tender For Provn Of Air Conditioning For Infrastructure At Af Stn Halwara

Document Fees
₹ 2000 /-

EMD
₹ 296400.0 /-

Tender Value
₹ 3.21 Crore /-

Submission Date
24-10-2025

Competition Type
Indian

Bidding Type
Tender

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Sr No	Corrigendum Date	Corrigendum	Type	New Submission Date
1	17-10-2025	Bid Auto Extn Corrigendum	Bid Auto Extn Corrigendum	24-10-2025
2	07-10-2025	BOQ4	BOQ	11-10-2025
3	07-10-2025	CORR8	Other	11-10-2025
4	06-10-2025	BOQ3	BOQ	18-10-2025
5	06-10-2025	CORR7	Other	18-10-2025
6	06-10-2025	DATE07	Date	17-10-2025
7	03-10-2025	DATE06	Date	14-10-2025
8	26-09-2025	AMENDMENTS	Other	16-10-2025
9	26-09-2025	BOQ	BOQ	16-10-2025
10	26-09-2025	DATE05	Date	10-10-2025
11	23-09-2025	OTHERS AMDTS	Other	13-10-2025
12	22-09-2025	corr03	BOQ	30-09-2025
13	22-09-2025	corr03	Other	08-10-2025
14	22-09-2025	corr03	Date	07-10-2025
15	16-09-2025	DATE02	Date	30-09-2025
16	09-09-2025	DATE01	Date	23-09-2025

Name of Work: PROVN OF AIR CONDITIONING FOR INFRASTRUCTURE AT AF STN HALWARA

Sl. No.	Item Description
1	Design, Supply, Installation, testing and Commissioning of Scroll/screw type compressor water cooled Central Air conditioning system of capacity not less than 200 TR (2x100 TR working and 1X100 TR standby) for Composite POD Lab, including following items and other items as required for satisfactory performance of the plant complete in all respect as specified in respective drawings to achieve details comprising the following complete as required:-Note 1:-(a) Contractorshall submit complete design for the Central AC plant comprising of heat load calculations, working drawings of complete AC plant supported with design/calculations of each component of work duly vetted by IIT within two months of the date of commencement of work through GE for the approval of Accepting Officer before execution of the work.(b) Contractor will be responsible for performance guarantee of complete AC plant to achieve the inside design conditions round the clock throughout the year with overall COP of the system not less than 4. Note 2 :- Rates quoted by the contractor shall be for complete finished work including cost of all labour, material, scaffolding, finishing as required with tools, plants, cartage, lift, taxes, tollage, octroi, royalties etc. All works shall be executed as per drawings and instructions of Site in-charge and shall include the supply and installation at site of all the equipment, ancillary materials as specified and all such items what-so-ever which may be required to fulfill the intent and purpose as laid down in the drawings. All materials shall be as per ISI specification and with IS certification marked wherever applicable. The material shall be duly approved by Site in-charge before incorporation in the actual work. The plant shall comprise of the following:-
2	CHILLER:-Supply, Installation, Testing and Commissioning of water cooled scroll/screw chiller with multi-compressors, comprising of Hermetic compressors, DX Evaporator, shell & tube condenser, suitable expansion device, suitable for operation on Non CFC refrigerant and complete in all respects as required Cooling capacity(2 Working + 1 Standby) PUMPS:-(i) Supply, Installation, Testing and Commissioning of end suction monoblock centrifugal Chilled water pumps (2 Working + 1 Standby)set of suitable capacity for AC plant comprising of the following and complete as required. 3 Nos. - Pumps with bronze impeller, S.S Shaft, CED Coated CI body and mechanical seal3 Nos. of suitable HP, TEFC squirrel cage induction motor (IE-2) with class \"F\" insulation, 2900/1450 RPM synchronous speed, operating at 415 ± 10 % Volts, 3phase, 50 Hz A.C. supply. Minimum Efficiency 75%.aluminium sheets of 24G thickness and properly clamped to pump in two semicircular sections as required. Lot-Mounting frame work with anti vibration pads.(ii) Supply, Installation, Testing and Commissioning of end suction monoblock centrifugal Condenser water pumps (2 Working + 1 Standby) set of suitable capacity for AC plant comprising of the following and complete as required.3 Nos. - Pumps with bronze impeller, S.S Shaft, CI body and mechanical seal.3 Nos. of suitable HP, TEFC squirrel cage induction motor (IE-2) with class \"F\" insulation, 2900/1450 RPM synchronous speed, operating on 415 ± 10 % Volts, 3 phase, 50 Hz A.C. supply. Minimum Efficiency 75%. Lot-Mounting frame work with anti vibration pads.(iii) Supply, Installation, Testing and Commissioning of Monoblock Type Hot water pump for hot water recirculation, pump set (1 Working + 1 Standby) of suitable capacity for AC plant comprising of the following and complete as required.2 Nos. - Pump with bronze impeller, S.S Shaft, CI body and mechanical seal.2 Nos. of suitable HP, TEFC squirrel cage induction motor (IE-2) with class \"F\" insulation, 2900/1450 RPM synchronous speed, operating on 415 ± 10 % Volts, 3 phase, 50 Hz A.C. supply. Minimum Efficiency 75%. Lot-Mounting frame work with anti vibration pads.
3	HOT WATER GENERATOR (HWG)Supply, Installation, Testing and Commissioningof electrically operated Hot Water Generator of suitable size and suitable capacity made of 8 mm M.S. sheet and dish end made of 10mm M.S. having 16 gauge stainless steel lining with heaters arranged in banks and Controller and Thermostat so that required qty. of hot water is generated at 50°C with nominal variation, including 100mm thick resin bonded fiber glass insulation of 24 Kg / CUM density finished with 1.25mm thick aluminium sheet cladding including necessary Electrical panel with automatic Controls including inlet and outlet connections for water complete with pressure releasevalve,lowlevelcut-out,Auto-ventsight-glassall asper specifications complete as required and approved (Degree of protection IP-52 with IS 2147).
4	ULTRASONIC HUMIDIFIERSupplying, Installing, Testing and Commissioning of Ultrasonic humidifier, of suitable capacity complete with stainless steel tank with float valve, water makeup, overflow and drain connections. The transducer shall be interlocked with float switch, supplied with humidifier, and humidistat with necessary supports by MS structural steel if required, hangers, clamp supports from walls, floors and ceiling with painting with one coat of primer and two coats of paint to supports of MS work.COOLING TOWERSupply, Installation, Testing and Commissioning of Induced draft counter flow, vertical discharge type FRP Cooling tower of suitable capacity with ultra-violet treated durable & highly efficient PVC fillings with integral louvers and drift eliminators, open pan suitable for water distribution complete with hot FRP water basin. The hot water shall be distributed to fills in each cell via open type gravity type basin or with spray nozzles or having self rotatingsprinklers.Coolingtowershallbeprovidedwithstaticallyand dynamically balanced one no. anti corrosion treated axial flow type fan –direct driven or driven through special beveled reduction gear box with TEFC induction flame proof motor with IP-65 protection, IE-2, suction screen, make up and quick fill arrangement, overflow and drain connections and suitable inspection hot-dipped galvanized ladder, access arrangement for cooling tower interior, anti vibration mountings etc complete as required. The unit shall be installed at proper foundation as per requirements. (Civil foundation works is included in the scope of work).
5	FLOOR MOUNTED AIR HANDLING UNITS (FOR 25718 Sqft AREA)Supply, Installation, Testing and Commissioning of factory built Floor standing double skin type air handling unit of suitable capacity with thermal break profile made of 43 mm thick panels consisting of pre plasticized G.I. casing of thickness 0.8 mm outside and 0.8 mm thick GI sheet inside layer with CFC-FREE P.U. insulation of density 42(+5%) kg/m3 factory injected between them by injection moulding machine, complete with Direct Driven plug fan of required static pressure. The unit shall consist minimum 4 rows deep cooling coil & 2 row deep heating coil as per requirements (not limited to listed below) with aluminium finned(12FPI) copper tubes(tube thickness not less than 0.41 mm) , filter sections with 50 mm thick washable synthetic type Pre filters having efficiency 90% down to 10 micron,and panel suitable for operation at 415 ± 10% volts, 50 Hz, 3 phase, A.C supply, complete with drain connections with drain valve, insulated stainless steeldrainpan,necessaryvibrationisolationarrangement,flexibleduct 20 G SS Drain pan, drain connection with necessary control arrangement to switch off the fan in case of fire, indicating lamp & all safety precaution in a powder coated GI enclosure with necessary power and control cable as required.The AHU should have space for humidifier.
6	WATER PIPING WORKS(a) INSULATED CHILLED / HOT WATER PIPING(i) Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled/ hot water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with Closed Cell Class O Nitrile Rubber Elastomeric Insulation of Density 40-60 Kg/m3, Thermal Conductivity of 0.035 W/mk at 0Deg Celsius Mean Temp and µ≥7000 (without any additional Vapour Barrier) and factory laminated 7 mil Glass Cloth (GC) covering ; to be applied on Pipes using manufacturer\"s recommended Rubber based Adhesive in a blend of solvents. complete as per specifications and as required complete in all respect. Note :- The Pipes of sizes 150mm & below shall be M.S. \"C\" class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above.
7	(i) Supplying, Fixing, Testing and Commissioning of following valves, strainers, Gauges etc (Nos. as per design requirement) in the chilled / hot water plumbing duly insulated to the same specifications as the connected piping and adequately supported as required.(iii) BUTTERFLY VALVES (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled / hot water circulation as required.(iv) BALL VALVE set with and without Y strainer with bronze body, flanged end type for chilled / hot water circulation as specified.(v) BALANCING VALVE WITH BUILT IN MEASURING FACILITY of C I body flanged construction with EPDM coated disc with long pitch with protruded out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as required.(vi) NON- RETURN VALVE with dual plate of C I body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for chilled / hot water circulation including insulation as required.(vii) Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as required.(viii) Three Way Motorized Valves with modulating motor in cooling / heating coil of air handling units as required of following sizes.(ix) FLOW SWITCH of brass/Polymer construction with necessary arrangement as per requirement.(x) Industrial type pressure gauges with gun metal/ Brass construction isolating valve complete with all accessories as required.(xi) Industrial type mercury in glass industrial type thermometers with gun metal/Brass construction isolating valve complete with all accessories as required.(xii) Digital thermometers with probe suitable for binder test point application with Brass construction, Nitrile sealing bushes, max operating pressure of 16 bar & max. working temperature of 110 deg Celsius as required.
8	(xiii) Dial type pressure gauge with probe suitable for binder test point application with Brass construction, Nitrile sealing bushes, max operating pressure of 16 bar & max. working temperature of 110 deg Celsius as required.(xiv) Auto Air - purge valve of brass construction of suitable dia (Air Vent will be fitted with an isolating ball valve- gunmetal/brass construction)(xv) FLEXIBLE CONNECTIONS.Supply,Installation,TestingandCommissioningofFlexibleconnectorfor pipe of required Dia. having PN 16 working pressure with anti vacuum rings complete with flanges, nuts, bolts, seal etc. to be installed at chiller suction and discharge.(xvi) DRAIN WATER PIPES. Supplying, Fixing, Testing and Commissioning of G.I. medium class water pipes as per IS 1239/1979 ofrequired size along with necessary clamps, fittings such as bends, tees etc. adequately supported and duly insulated with 13 mm thick closed cell elastomeric nitrile rubber of class \"O\" insulation applied by adhesive confirming to standard specifications complete with type3, grade 1 roofing felt strip (as per IS:1322 as amended up to date) at joints and repairing of damage to building etc. as required complete in all respects.
9	(xvii) EXPANSION TANK. Supply, Installation, Testing of open type expansion tank of capacity as per design requirement, of MS Construction made of minimum 6 mm thick mild steel sheet duly insulated with XLPE insulation applied by adhesive confirming to standard specifications and finally applying 0.63 mm thick aluminium sheet cladding complete with type3, grade 1 roofing felt strip (as per IS:1322 as amended up to date) at joints and repairing of damage to building etc. as required complete in all respect with connection over flow and drain 40 mm dia.Make up tank with makeup connection with float valve drain valve and incoming line valves, vent connections, valves and fittings as required.(xviii) MAKE UP WATER TANK. Supply & Installation of makeup water tank of 500 liters capacity HDPE Construction as required completeinallrespectwithconnection,overflowanddrain. Makeup connection with float valve, drain valve, incoming line valves and fittings as required.
10	CONDENSER WATER PIPES(i) Supplying, Fixing, Testing and Commissioning of condenser water pipes of Various sizes and materials along with necessary clamps, vibration-isolators and fittings such as bends, tees etc but excluding strainer and gauges etc adequately supported on rigid supports/including painting valves including minor holes & works making of good the damage done welded black steel pipe as specified.(ii) The Pipes of sizes 150mm & below shall be M.S. heavy class as per IS : 1239 and pipes of sizes above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35 mm thick M.S. Sheet for pipes upto 350 mm dia & from minimum 7mm thick M.S. sheet for pipes of 400 mm dia & above.(iii) Supplying, Fixing, Testing and Commissioning of following valves, gauges and strainers for condenser water circulation of sizes and nos. as required.
11	(ba) BUTTERFLY VALVES (MANUAL) with Cast steel body SS Disc, Buna-N integrally moulded Seal & O- Ring. The valve shall be suitable for PN 16 working pressure for condenser water circulation as required.(bb) BALANCINGVALVESWITHBUILT-INMEASURINGFACILITY of suitable sizes and nosofGunmetal construction upto 50 mm dia & cast steel/ ductile iron body upto 300 mm dia as required having flanged construction with SS disc disc having long pitch with protruded out pipe insulation & suitable for PN 16 working pressure for condenser water circulation as required. The Ductile iron body shall be painted with one Coat of Inorganic ethyl self-curing zinc silicate premier at 75 microns & Coat of Super High build epoxy MIO Coating cured with polyamide hardener at 150 microns & finally two coats of High Build Gloss Aliphatic Acrylic Polyurethane at 50 micron dry film thickness.(bc) NON - RETURN VALVESwith dual plate of cast steel construction, SS plates, Body lining-BUNA -N, flanged end construction, suitable for PN 16 working pressure for condenser water circulation as required.(bd) Y - STRAINERS of cast steel Body, flanged ends with stainless steel strainer, suitable for PN 16 working pressure for condenser water circulation as required.(be) BALL VALVESof brass construction, flanged end type for drain connection & make up water connection as required.(iv) FLEXIBLE CONNECTIONS. Supply, Installation, TestingandCommissioningof Flexibleconnectorsfor Suitable dia pipes having PN 16 working pressure with anti vacuum rings complete with flanges, nuts, bolts, seal etc. to be installed at condenser suction and discharge.(v) FLOW SWITCHS of brass/Polymer construction with necessary (suitable for desired size of pipe as per requirement.(vi) Industrial type pressure gauges with gun metal/ Brass construction isolating valve complete with all accessories as required.(vii) Industrial type mercury in glass industrial type thermometers with gun metal/ Brass construction isolating valve complete with all accessories as required.
12	(viii) Auto Air - purge valve of brass construction of suitable dia (Air Vent will be fitted with an isolating ball valve- gunmetal/brass construction)(ix) ON-LINE SCALE PREVENTERSupply, Installation, Testing and commissioning of On line, Non Chemical water treatment scale preventer system (suitable for Pipe size as per design) having flow rate as per design requirement.(x) MAKE UP WATER TANK. Supply & Installation of makeup water tanks of HDPE Construction of capacity as recommended by manufacturer complete in all respect with connection,overflowanddrain.Makeup connection with float valve, drain valve, incoming line valves and fittings as specified including civil foundation works included in the scope of work.
13	AIR DISTRIBUTION WORKS(a) DUCTS(i) Supply, Installation, Balancing and Commissioning of factory fabricated GSS sheet metal rectangular ducting with supports as per IS 655-2010 complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and as required of following sheet thickness complete.(aa) 24 Gauge ( Thickness 0.63mm)(bb) 22 Gauge (Thickness 0.8mm)(cc) 20 Gauge (Thickness 1.0mm)(ii) Supply, Fabrication, Installation, Balancing and Commissioning of Site fabricated GSS sheet metal rectangular ducting with supports as per IS 655-2010 complete with neoprene rubbergaskets,elbows,splitterdampers,vanes,hangers, supports etc. as per approved drawings and as required of following gauges:- (aa) 24 Gauge ( Thickness 0.63mm)(bb) 22 Gauge (Thickness 0.8mm)(cc) 20 Gauge (Thickness 1.0mm)(iii) Supply, Installation, Testing and Commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as required.(iv) Supply, fixing of powder coated extruded aluminum diffusers complete with black anodized extruded aluminum VCD (wherever specified), nuts, bolts, screws etc. as per approved drawings and as required. (aa) Supply air diffusers of required sizes with volume control damper. (bb) Return air diffusers of required sizes without volume control damper.(v) Supply & Fixing of powder coated extruded aluminum continuous type linear return air grilles complete with nut, bolts, screws etc. as per approved drawings and as required.(vi) Supply, Installation, Testing and Commissioning of powder coated extruded aluminium louvers with synthetic removable type filter, bird screen & damper for fresh air.(vii) Supplying, Installation, Testing and Commissioning of fire dampers as required
14	INSULATION WORKS(a) Supply and Fixing acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glass wool having density of 32 kg/m3, with 25 mm x 25 mm GI section of 1.5mm thick , at 600 mm centre to centre covered with double layer reinforced plastic tissue paper and 0.5 mm thick perforated aluminium sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc. complete as required.(b) Supplying and Fixing of 19 mm thickness duly laminated aluminium foil of mat fininshed closed cell XLPE (class \"\"O\"\") insulation on duct after applying two coats of cold setting adhesive (the joints shall sealed with 50mm wide and 3 mm thick XLPE insulation complete as required.
15	ELECTRICAL WORKS(i) The outgoing feeders as indicated in Schedule of works shall have suitable range of followings (except capacitor feeders).(ii) All Digital electronic MFM cum KWH meter where provided shall equipped with three phase indicating lamps. (iii) 415/110V suitable rating control transformer shall be provided for aux. control supply(iv) Wiring with space heater, thermostat and control MCB\"s shall be provided for all vertical sections of main LT panel.(v) All incoming as well as outgoing feeders shall have pad locking facility.(vi) Suitable danger board shall be provided.(vii) All MCCB’s shall be provided with front rotary handle and operating mechanism for door interlock with Pad locking of MCCB’s handles in “OFF” Position.(viii) All hinged door shall be earthed through 2.5 sq mm tinned braided copper wire.(ix) Panels shall be Powder Coated with gray paint shade no. RAL-7032 of IS-5.(x) Minimum Degree of protection for following type of distribution panel enclosure shall be as per IS:60439.(xi) All motor feeders MCCBs shall be of motor duty.(xii) Supporting/Base rigid steel framework.(xiii) TPN MCCB’s shall mean 3 pole MCCB’s with adequate size of neutral link.(xiv) Final rating & various parameter, in addition to the specified below shall be selected on the bases of ambient conditions at site, client specific requirements, requirement for the NOC from various statutory authorities, as per detail designed stage calculations.(xv) Each Panel incomers/outgoings shall be provided with suitable contacts/terminals to receive the Al. Conductor cables given in the latter section.(xvi) All Panel shall be minimum IP-54 for Indoor environment except for outdoor conditions those are mentioned separately.
16	(a) Supplying, installation, testing & commissioning of CPRI approved indoor type floor mounted front operated Main HVAC and AHU electrical / control panels TTA as per IEC 61439 having for 415V, 3 Phase, 4Wire 50 Hz AC supply system fabricated in compartmentalized design with CRCA sheetsteel of 2mm thick for frame work and covers, 3mm thick for gland plates i/c cleaning & surface treatmentwith 9 tank process before powder coating in approved shade, having specified below Amp. capacity extensible type TPN Aluminium Alloy bus bars with suitable rating Neutral of high conductivity, DMC/ SMC bus bar supports, with short circuit withstand capacity of 35kA for 1 sec, bottom base channel of MS section not less than 100mm x 75mm x 5mm thick, fabrication shall be done in transportable sections, entire panel shall have a common copper earth bar of size 32mm x 5mm at the rear with 2 Nos. earth stud, solid connections from main bus bar to switch gears with required size of with earth bus, Al. bus bars, numbering & sign writing, interconnection & and control wiring including the cost of connection through bus bar / copper conductor flexible connection with necessary interlocking as per requirement with PVC insulated FRLS copper conductor Single Core cable, cable alleys, cablegland plates in two half, i/c providing switch gears as per design and approved by CWE.
17	(b) CABLES, WIRES & END TERMINATIONS(i) Supply, laying testing and commissioning of various sizes of XLPE insulated PVC sheathed round wire armoured aluminium conductor cable of 1.1 KV grade on cable tray / surface including clamps, ties, excavation work etc. as required and specified Supplying and making end termination with brass compression gland and aluminium lugs for various sizes of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required and specified.(ii) Providing & fixing of control wiring/power cabling with various sizes of copper conductor armoured cable ,making connection etc. as required and specified. (iii) Providing and fixing 25x5 mm dia GI strip for earthing.(iv) Supply, fabricating and installing ofdesired sizes of hot dip Galvanized ladder type cable trays includinghorizontal vertical bends, reducers, tees, cross members and other accessories as required and duly installed from the ceiling/side walls with suitable size of channels/ angles with anti corrosion painting, full threaded GI rods etc. complete as required & approved by the Engineer-in-charge.
18	All as per Srl item No.1 above but plant capacity not less than 40 TR (2 x 20 TR working and 1 x 20 TR standby ) for FSS. The plant shall comprise of the following:-CHILLER:-Supply, Installation, Testing and Commissioning of water cooled scroll chiller with multi-compressors, comprising of Hermetic compressors, DX Evaporator, shell & tube condenser, suitable expansion device, suitable for operation on Non CFC refrigerant and complete in all respects as required Cooling capacity(2 Working + 1 Standby)
19	PUMPS:-(i) Supply, Installation, Testing and Commissioning of end suction centrifugal Chilled water pump (2 Working + 1 Standby)set of suitable capacity for AC plant comprising of the following and complete as required. 3 Nos. - Pumps with bronze impeller, S.S Shaft, CED Coated CI body and mechanical seal3 Nos. of suitable HP, TEFC squirrel cage induction motor (IE-2) with class \"F\" insulation, 2900/1450 RPM synchronous speed, operating at 415 ± 10 % Volts, 3phase, 50 Hz A.C. supply. Minimum Efficiency 75%.aluminium sheets of 24G thickness and properly clamped to pump in two semicircular sections as required.Lot-Mounting frame work with anti vibration pads.(ii) Supply, Installation, Testing and Commissioning of end suction monoblock centrifugal Condenser water pumps (2 Working + 1 Standby) set of suitable capacity for AC plant comprising of the following and complete as required.3 Nos. - Pumps with bronze impeller, S.S Shaft, CI body and mechanical seal.3 Nos. of suitable HP, TEFC squirrel cage induction motor (IE-2) with class \"F\" insulation, 2900/1450 RPM synchronous speed, operating on 415 ± 10 % Volts, 3 phase, 50 Hz A.C. supply. Minimum Efficiency 75%.Lot-Mounting frame work with anti vibration pads.(iii) Supply, Installation, Testing and Commissioning of Monoblock Type Hot water pump for hot water recirculation, pump set (1 Working + 1 Standby) of suitable capacity for AC plant comprising of the following and complete as required.2 Nos. - Pump with bronze impeller, S.S Shaft, CI body and mechanical seal.2 Nos. of suitable HP, TEFC squirrel cage induction motor (IE-2) with class \"F\" insulation, 2900/1450 RPM synchronous speed, operating on 415 ± 10 % Volts, 3 phase, 50 Hz A.C. supply. Minimum Efficiency 75%. Lot-Mounting frame work with anti vibration pads.
20	HOT WATER GENERATOR (HWG)Supply, Installation, Testing and Commissioningof electrically operated Hot Water Generator of suitable size and of suitable capacity made of 8 mm M.S. sheet and dish end made of 10mm M.S. having 16 gauge stainless steel lining with heaters arranged in banks and Controller and Thermostat so that required qty. of hot water is generated at 50°C with nominal variation, including 100mm thick resin bonded fiber glass insulation of 24 Kg / CUM density finished with 1.25mm thick aluminium sheet cladding including necessary Electrical panel with automatic Controls including inlet and outlet connections for water complete with pressure releasevalve,lowlevelcut-out,Auto-ventsight-glassall asper specifications complete as required and approved (Degree of protection IP-52 with IS 2147).
21	ULTRASONIC HUMIDIFIERSupplying, Installing, Testing and Commissioning of Ultrasonic humidifier, of suitable capacity complete with stainless steel tank with float valve, water makeup, overflow and drain connections. The transducer shall be interlocked with float switch, supplied with humidifier, and humidistat with necessary supports by MS structural steel if required, hangers, clamp supports from walls, floors and ceiling with painting with one coat of primer and two coats of paint to supports of MS work.COOLING TOWERSupply, Installation, Testing and Commissioning of Induced draft counter flow, vertical discharge type FRP Cooling tower of suitable capacity with ultra-violet treated durable & highly efficient PVC fillings with integral louvers and drift eliminators, open pan suitable for water distribution complete with hot FRP water basin. The hot water shall be distributed to fills in each cell via open type gravity type basin or with spray nozzles or having self rotatingsprinklers.Coolingtowershallbeprovidedwithstaticallyand dynamically balanced one no. anti corrosion treated axial flow type fan –direct driven or driven through special beveled reduction gear box with TEFC induction flame proof motor with IP-65 protection, IE-2, suction screen, make up and quick fill arrangement, overflow and drain connections and suitable inspection hot-dipped galvanized ladder, access arrangement for cooling tower interior, anti vibration mountings etc complete as required. The unit shall be installed at proper foundation as per requirements. (Civil foundation works is included in the scope of work).
22	FLOOR MOUNTED AIR HANDLING UNITS (FOR 6255 Sqft AREA)Supply, Installation, Testing and Commissioning of factory built Floor standing double skin type air handling unit of suitable capacity with thermal break profile made of 43 mm thick panels consisting of pre plasticized G.I. casing of thickness 0.8 mm outside and 0.8 mm thick GI sheet inside layer with CFC-FREE P.U. insulation of density 42(+5%) kg/m3 factory injected between them by injection moulding machine, complete with Direct Driven plug fan of required static pressure. The unit shall consist minimum 4 rows deep cooling coil & 2 row deep heating coil as per requirements (not limited to listed below) with aluminium finned(12FPI) copper tubes(tube thickness not less than 0.41 mm) , filter sections with 50 mm thick washable synthetic type Pre filters having efficiency 90% down to 10 micron,and panel suitable for operation at 415 ± 10% volts, 50 Hz, 3 phase, A.C supply, complete with drain connections with drain valve, insulated stainless steeldrainpan,necessaryvibrationisolationarrangement,flexibleduct 20 G SS Drain pan, drain connection with necessary control arrangement to switch off the fan in case of fire, indicating lamp & all safety precaution in a powder coated GI enclosure with necessary power and control cable as required.The AHU should have space for humidifier.
23	WATER PIPING WORKS(a) INSULATED CHILLED / HOT WATER PIPING(i) Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled/ hot water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with Closed Cell Class O Nitrile Rubber Elastomeric Insulation of Density 40-60 Kg/m3, Thermal Conductivity of 0.035 W/mk at 0Deg Celsius Mean Temp and µ≥7000 (without any additional Vapour Barrier) and factory laminated 7 mil Glass Cloth (GC) covering ; to be applied on Pipes using manufacturer\"s recommended Rubber based Adhesive in a blend of solvents. complete as per specifications and as required complete in all respect. Note :- The Pipes of sizes 150mm & below shall be M.S. \"C\" class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above.
24	(i) Supplying, Fixing, Testing and Commissioning of following valves, strainers, Gauges etc (Nos. as per design requirement) in the chilled / hot water plumbing duly insulated to the same specifications as the connected piping and adequately supported as required.(iii) BUTTERFLY VALVES (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled / hot water circulation as required.(iv) BALL VALVE set with and without Y strainer with bronze body, flanged end type for chilled / hot water circulation as specified.(v) BALANCING VALVE WITH BUILT IN MEASURING FACILITY of C I body flanged construction with EPDM coated disc with long pitch with protruded out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as required.(vi) NON- RETURN VALVE with dual plate of C I body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for chilled / hot water circulation including insulation as required.(vii) Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as required.(viii) Three Way Motorized Valves with modulating motor in cooling / heating coil of air handling units as required of following sizes.(ix) FLOW SWITCH of brass/Polymer construction with necessary arrangement as per requirement.(x) Industrial type pressure gauges with gun metal/ Brass construction isolating valve complete with all accessories as required.(xi) Industrial type mercury in glass industrial type thermometers with gun metal/Brass construction isolating valve complete with all accessories as required.(xii) Digital thermometers with probe suitable for binder test point application with Brass construction, Nitrile sealing bushes, max operating pressure of 16 bar & max. working temperature of 110 deg Celsius as required.
25	(xiii) Dial type pressure gauge with probe suitable for binder test point application with Brass construction, Nitrile sealing bushes, max operating pressure of 16 bar & max. working temperature of 110 deg Celsius as required.(xiv) Auto Air - purge valve of brass construction of suitable dia (Air Vent will be fitted with an isolating ball valve- gunmetal/brass construction)(xv) FLEXIBLE CONNECTIONS.Supply,Installation,TestingandCommissioningofFlexibleconnectorfor pipe of required Dia. having PN 16 working pressure with anti vacuum rings complete with flanges, nuts, bolts, seal etc. to be installed at chiller suction and discharge.(xvi) DRAIN WATER PIPES. Supplying, Fixing, Testing and Commissioning of G.I. medium class water pipes as per IS 1239/1979 ofrequired size along with necessary clamps, fittings such as bends, tees etc. adequately supported and duly insulated with 13 mm thick closed cell elastomeric nitrile rubber of class \"O\" insulation applied by adhesive confirming to standard specifications complete with type3, grade 1 roofing felt strip (as per IS:1322 as amended up to date) at joints and repairing of damage to building etc. as required complete in all respects
26	(xvii) EXPANSION TANK. Supply, Installation, Testing of open type expansion tank of capacity as per design requirement, of MS Construction made of minimum 6 mm thick mild steel sheet duly insulated with XLPE insulation applied by adhesive confirming to standard specifications and finally applying 0.63 mm thick aluminium sheet cladding complete with type3, grade 1 roofing felt strip (as per IS:1322 as amended up to date) at joints and repairing of damage to building etc. as required complete in all respect with connection over flow and drain 40 mm dia.Make up tank with makeup connection with float valve drain valve and incoming line valves, vent connections, valves and fittings as required.(xviii) MAKE UP WATER TANK. Supply & Installation of makeup water tank of 500 liters capacity HDPE Construction as required completeinallrespectwithconnection,overflowanddrain. Makeup connection with float valve, drain valve, incoming line valves and fittings as required.
27	CONDENSER WATER PIPES(i) Supplying, Fixing, Testing and Commissioning of condenser water pipes of Various sizes and materials along with necessary clamps, vibration-isolators and fittings such as bends, tees etc but excluding strainer and gauges etc adequately supported on rigid supports/including painting valves including minor holes & works making of good the damage done welded black steel pipe as specified.(ii) The Pipes of sizes 150mm & below shall be M.S. heavy class as per IS : 1239 and pipes of sizes above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35 mm thick M.S. Sheet for pipes upto 350 mm dia & from minimum 7mm thick M.S. sheet for pipes of 400 mm dia & above.(iii) Supplying, Fixing, Testing and Commissioning of following valves, gauges and strainers for condenser water circulation of sizes and nos. as required.
28	(ba) BUTTERFLY VALVES (MANUAL) with Cast steel body SS Disc, Buna-N integrally moulded Seal & O- Ring. The valve shall be suitable for PN 16 working pressure for condenser water circulation as required.(bb) BALANCINGVALVESWITHBUILT-INMEASURINGFACILITY of suitable sizes and nosofGunmetal construction upto 50 mm dia & cast steel/ ductile iron body upto 300 mm dia as required having flanged construction with SS disc disc having long pitch with protruded out pipe insulation & suitable for PN 16 working pressure for condenser water circulation as required. The Ductile iron body shall be painted with one Coat of Inorganic ethyl self-curing zinc silicate premier at 75 microns & Coat of Super High build epoxy MIO Coating cured with polyamide hardener at 150 microns & finally two coats of High Build Gloss Aliphatic Acrylic Polyurethane at 50 micron dry film thickness.(bc) NON - RETURN VALVESwith dual plate of cast steel construction, SS plates, Body lining-BUNA -N, flanged end construction, suitable for PN 16 working pressure for condenser water circulation as required.(bd) Y - STRAINERS of cast steel Body, flanged ends with stainless steel strainer, suitable for PN 16 working pressure for condenser water circulation as required.(be) BALL VALVESof brass construction, flanged end type for drain connection & make up water connection as required.(iv) FLEXIBLE CONNECTIONS. Supply, Installation, TestingandCommissioningof Flexibleconnectorsfor Suitable dia pipes having PN 16 working pressure with anti vacuum rings complete with flanges, nuts, bolts, seal etc. to be installed at condenser suction and discharge.(v) FLOW SWITCHS of brass/Polymer construction with necessary (suitable for desired size of pipe as per requirement.(vi) Industrial type pressure gauges with gun metal/ Brass construction isolating valve complete with all accessories as required.(vii) Industrial type mercury in glass industrial type thermometers with gun metal/ Brass construction isolating valve complete with all accessories as required.
29	(viii) Auto Air - purge valve of brass construction of suitable dia (Air Vent will be fitted with an isolating ball valve- gunmetal/brass construction)(ix) ON-LINE SCALE PREVENTERSupply, Installation, Testing and commissioning of On line, Non Chemical water treatment scale preventer system (suitable for Pipe size as per design) having flow rate as per design requirement.(x) MAKE UP WATER TANK. Supply & Installation of makeup water tanks of HDPE Construction of capacity as recommended by manufacturer complete in all respect with connection,overflowanddrain.Makeup connection with float valve, drain valve, incoming line valves and fittings as specified including civil foundation works included in the scope of work.
30	AIR DISTRIBUTION WORKS(a) DUCTS(i) Supply, Installation, Balancing and Commissioning of factory fabricated GSS sheet metal rectangular ducting with supports as per IS 655-2010 complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and as required of following sheet thickness complete.(aa) 24 Gauge ( Thickness 0.63mm)(bb) 22 Gauge (Thickness 0.8mm)(cc) 20 Gauge (Thickness 1.0mm)(ii) Supply, Fabrication, Installation, Balancing and Commissioning of Site fabricated GSS sheet metal rectangular ducting with supports as per IS 655-2010 complete with neoprene rubbergaskets,elbows,splitterdampers,vanes,hangers, supports etc. as per approved drawings and as required of following gauges:- (aa) 24 Gauge ( Thickness 0.63mm)(bb) 22 Gauge (Thickness 0.8mm)(cc) 20 Gauge (Thickness 1.0mm)(iii) Supply, Installation, Testing and Commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as required.(iv) Supply, fixing of powder coated extruded aluminum diffusers complete with black anodized extruded aluminum VCD (wherever specified), nuts, bolts, screws etc. as per approved drawings and as required. (aa) Supply air diffusers of required sizes with volume control damper. (bb) Return air diffusers of required sizes without volume control damper.(v) Supply & Fixing of powder coated extruded aluminum continuous type linear return air grilles complete with nut, bolts, screws etc. as per approved drawings and as required.(vi) Supply, Installation, Testing and Commissioning of powder coated extruded aluminium louvers with synthetic removable type filter, bird screen & damper for fresh air.(vii) Supplying, Installation, Testing and Commissioning of fire dampers as required
31	INSULATION WORKS(a) Supply and Fixing acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glass wool having density of 32 kg/m3, with 25 mm x 25 mm GI section of mm thick , at 600 mm centre to centre covered with double layer reinforced plastic tissue paper and 0.5 mm thick perforated aluminium sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc. complete as required.(b) Supplying and Fixing of19 mm thickness duly laminated aluminium foil of mat fininshed closed cell XLPE (class \"\"O\"\") insulation on duct after applying two coats of cold setting adhesive (the joints shall sealed with 50mm wide and 3 mm thick XLPE insulation complete as required.
32	ELECTRICAL WORKS(i) The outgoing feeders as indicated in Schedule of works shall have suitable range of followings (except capacitor feeders).(ii) All Digital electronic MFM cum KWH meter where provided shall equipped with three phase indicating lamps. (iii) 415/110V suitable rating control transformer shall be provided for aux. control supply(iv) Wiring with space heater, thermostat and control MCB\"s shall be provided for all vertical sections of main LT panel.(v) All incoming as well as outgoing feeders shall have pad locking facility.(vi) Suitable danger board shall be provided.(vii) All MCCB’s shall be provided with front rotary handle and operating mechanism for door interlock with Pad locking of MCCB’s handles in “OFF” Position.(viii) All hinged door shall be earthed through 2.5 sq mm tinned braided copper wire.(ix) Panels shall be Powder Coated with gray paint shade no. RAL-7032 of IS-5.(x) Minimum Degree of protection for following type of distribution panel enclosure shall be as per IS:60439.(xi) All motor feeders MCCBs shall be of motor duty.(xii) Supporting/Base rigid steel framework.(xiii) TPN MCCB’s shall mean 3 pole MCCB’s with adequate size of neutral link.(xiv) Final rating & various parameter, in addition to the specified below shall be selected on the bases of ambient conditions at site, client specific requirements, requirement for the NOC from various statutory authorities, as per detail designed stage calculations.(xv) Each Panel incomers/outgoings shall be provided with suitable contacts/terminals to receive the Al. Conductor cables given in the latter section.(xvi) All Panel shall be minimum IP-54 for Indoor environment except for outdoor conditions those are mentioned separately.
33	(a) Supplying, installation, testing & commissioning of CPRI approved indoor type floor mounted front operated Main HVAC and AHU electrical / control panels TTA as per IEC 61439 having for 415V, 3 Phase, 4Wire 50 Hz AC supply system fabricated in compartmentalized design with CRCA sheetsteel of 2mm thick for frame work and covers, 3mm thick for gland plates i/c cleaning & surface treatmentwith 9 tank process before powder coating in approved shade, having specified below Amp. capacity extensible type TPN Aluminium Alloy bus bars with suitable rating Neutral of high conductivity, DMC/ SMC bus bar supports, with short circuit withstand capacity of 35kA for 1 sec, bottom base channel of MS section not less than 100mm x 75mm x 5mm thick, fabrication shall be done in transportable sections, entire panel shall have a common copper earth bar of size 32mm x 5mm at the rear with 2 Nos. earth stud, solid connections from main bus bar to switch gears with required size of with earth bus, Al. bus bars, numbering & sign writing, interconnection & and control wiring including the cost of connection through bus bar / copper conductor flexible connection with necessary interlocking as per requirement with PVC insulated FRLS copper conductor Single Core cable, cable alleys, cablegland plates in two half, i/c providing switch gears as per design and approved by CWE.
34	(b) CABLES, WIRES & END TERMINATIONS(i) Supply, laying testing and commissioning of various sizes of XLPE insulated PVC sheathed round wire armoured aluminium conductor cable of 1.1 KV grade on cable tray / surface including clamps, ties, excavation work etc. as required and specified Supplying and making end termination with brass compression gland and aluminium lugs for various sizes of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required and specified.(ii) Providing & fixing of control wiring/power cabling with various sizes of copper conductor armoured cable ,making connection etc. as required and specified. (iii) Providing and fixing 25x5 mm dia GI strip for earthing.(iv) Supply, fabricating and installing ofdesired sizes of hot dip Galvanized ladder type cable trays includinghorizontal vertical bends, reducers, tees, cross members and other accessories as required and duly installed from the ceiling/side walls with suitable size of channels/ angles with anti corrosion painting, full threaded GI rods etc. complete as required & approved by the Engineer-in-charge.
35	All as per Srl item No.1 above but plant capacity not less than 45 TR (2 x 22.5 TR working and 1 x 22.5 TR standby ) for Avionics Lab. The plant shall comprise of the following:-CHILLER:-Supply, Installation, Testing and Commissioning of water cooled scroll chiller with multi-compressors, comprising of Hermetic compressors, DX Evaporator, shell & tube condenser, suitable expansion device, suitable for operation on Non CFC refrigerant and complete in all respects as required Cooling capacity(2 Working + 1 Standby)
36	PUMPS:-(i) Supply, Installation, Testing and Commissioning of end suction monoblock centrifugal Chilled water pumps (2 Working + 1 Standby)set of suitable capacity for AC plant comprising of the following and complete as required. 3 Nos. - Pumps with bronze impeller, S.S Shaft, CED Coated CI body and mechanical seal3 Nos. of suitable HP, TEFC squirrel cage induction motor (IE-2) with class \"F\" insulation, 2900/1450 RPM synchronous speed, operating at 415 ± 10 % Volts, 3phase, 50 Hz A.C. supply. Minimum Efficiency 75%.aluminium sheets of 24G thickness and properly clamped to pump in two semicircular sections as required.Lot-Mounting frame work with anti vibration pads.(ii) Supply, Installation, Testing and Commissioning of end suction monoblock /centrifugal Condenser water pumps (2 Working + 1 Standby) set of suitable capacity for AC plant comprising of the following and complete as required.3 Nos. - Pumps with bronze impeller, S.S Shaft, CI body and mechanical seal.3 Nos. of suitable HP, TEFC squirrel cage induction motor (IE-2) with class \"F\" insulation, 2900/1450 RPM synchronous speed, operating on 415 ± 10 % Volts, 3 phase, 50 Hz A.C. supply. Minimum Efficiency 75%.Lot-Mounting frame work with anti vibration pads.(iii) Supply, Installation, Testing and Commissioning of Monoblock Type Hot water pump for hot water recirculation, pump set (1 Working + 1 Standby) of suitable capacity for AC plant comprising of the following and complete as required.2 Nos. - Pump with bronze impeller, S.S Shaft, CI body and mechanical seal.2 Nos. of suitable HP, TEFC squirrel cage induction motor (IE-2) with class \"F\" insulation, 2900/1450 RPM synchronous speed, operating on 415 ± 10 % Volts, 3 phase, 50 Hz A.C. supply. Minimum Efficiency 75%. Lot-Mounting frame work with anti vibration pads.
37	HOT WATER GENERATOR (HWG)Supply, Installation, Testing and Commissioningof electrically operated Hot Water Generator of suitable size and of suitable capacity made of 8 mm M.S. sheet and dish end made of 10mm M.S. having 16 gauge stainless steel lining with heaters arranged in banks and Controller and Thermostat so that required qty. of hot water is generated at 50°C with nominal variation, including 100mm thick resin bonded fiber glass insulation of 24 Kg / CUM density finished with 1.25mm thick aluminium sheet cladding including necessary Electrical panel with automatic Controls including inlet and outlet connections for water complete with pressure releasevalve,lowlevelcut-out,Auto-ventsight-glassall asper specifications complete as required and approved (Degree of protection IP-52 with IS 2147).
38	ULTRASONIC HUMIDIFIERSupplying, Installing, Testing and Commissioning of Ultrasonic humidifier, of suitable capacity complete with stainless steel tank with float valve, water makeup, overflow and drain connections. The transducer shall be interlocked with float switch, supplied with humidifier, and humidistat with necessary supports by MS structural steel if required, hangers, clamp supports from walls, floors and ceiling with painting with one coat of primer and two coats of paint to supports of MS work.COOLING TOWERSupply, Installation, Testing and Commissioning of Induced draft counter flow, vertical discharge type FRP Cooling tower of suitable capacity with ultra-violet treated durable & highly efficient PVC fillings with integral louvers and drift eliminators, open pan suitable for water distribution complete with hot FRP water basin. The hot water shall be distributed to fills in each cell via open type gravity type basin or with spray nozzles or having self rotatingsprinklers.Coolingtowershallbeprovidedwithstaticallyand dynamically balanced one no. anti corrosion treated axial flow type fan –direct driven or driven through special beveled reduction gear box with TEFC induction flame proof motor with IP-65 protection, IE-2, suction screen, make up and quick fill arrangement, overflow and drain connections and suitable inspection hot-dipped galvanized ladder, access arrangement for cooling tower interior, anti vibration mountings etc complete as required. The unit shall be installed at proper foundation as per requirements. (Civil foundation works is included in the scope of work).
39	FLOOR MOUNTED AIR HANDLING UNITS (FOR 6478 Sqft AREA)Supply, Installation, Testing and Commissioning of factory built Floor standing double skin type air handling unit of suitable capacity with thermal break profile made of 43 mm thick panels consisting of pre plasticized G.I. casing of thickness 0.8 mm outside and 0.8 mm thick GI sheet inside layer with CFC-FREE P.U. insulation of density 42(+5%) kg/m3 factory injected between them by injection moulding machine, complete with Direct Driven plug fan of required static pressure. The unit shall consist minimum 4 rows deep cooling coil & 2 row deep heating coil as per requirements (not limited to listed below) with aluminium finned(12FPI) copper tubes(tube thickness not less than 0.41 mm) , filter sections with 50 mm thick washable synthetic type Pre filters having efficiency 90% down to 10 micron,and panel suitable for operation at 415 ± 10% volts, 50 Hz, 3 phase, A.C supply, complete with drain connections with drain valve, insulated stainless steeldrainpan,necessaryvibrationisolationarrangement,flexibleduct 20 G SS Drain pan, drain connection with necessary control arrangement to switch off the fan in case of fire, indicating lamp & all safety precaution in a powder coated GI enclosure with necessary power and control cable as required.The AHU should have space for humidifier.
40	WATER PIPING WORKS(a) INSULATED CHILLED / HOT WATER PIPING(i) Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled/ hot water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with Closed Cell Class O Nitrile Rubber Elastomeric Insulation of Density 40-60 Kg/m3, Thermal Conductivity of 0.035 W/mk at 0Deg Celsius Mean Temp and µ≥7000 (without any additional Vapour Barrier) and factory laminated 7 mil Glass Cloth (GC) covering ; to be applied on Pipes using manufacturer\"s recommended Rubber based Adhesive in a blend of solvents. complete as per specifications and as required complete in all respect. Note :- The Pipes of sizes 150mm & below shall be M.S. \"C\" class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above.
41	(i) Supplying, Fixing, Testing and Commissioning of following valves, strainers, Gauges etc (Nos. as per design requirement) in the chilled / hot water plumbing duly insulated to the same specifications as the connected piping and adequately supported as required.(iii) BUTTERFLY VALVES (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled / hot water circulation as required.(iv) BALL VALVE set with and without Y strainer with bronze body, flanged end type for chilled / hot water circulation as specified.(v) BALANCING VALVE WITH BUILT IN MEASURING FACILITY of C I body flanged construction with EPDM coated disc with long pitch with protruded out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as required.(vi) NON- RETURN VALVE with dual plate of C I body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for chilled / hot water circulation including insulation as required.(vii) Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as required.(viii) Three Way Motorized Valves with modulating motor in cooling / heating coil of air handling units as required of following sizes.(ix) FLOW SWITCH of brass/Polymer construction with necessary arrangement as per requirement.(x) Industrial type pressure gauges with gun metal/ Brass construction isolating valve complete with all accessories as required.(xi) Industrial type mercury in glass industrial type thermometers with gun metal/Brass construction isolating valve complete with all accessories as required.(xii) Digital thermometers with probe suitable for binder test point application with Brass construction, Nitrile sealing bushes, max operating pressure of 16 bar & max. working temperature of 110 deg Celsius as required.
42	(xiii) Dial type pressure gauge with probe suitable for binder test point application with Brass construction, Nitrile sealing bushes, max operating pressure of 16 bar & max. working temperature of 110 deg Celsius as required.(xiv) Auto Air - purge valve of brass construction of suitable dia (Air Vent will be fitted with an isolating ball valve- gunmetal/brass construction)(xv) FLEXIBLE CONNECTIONS.Supply,Installation,TestingandCommissioningofFlexibleconnectorfor pipe of required Dia. having PN 16 working pressure with anti vacuum rings complete with flanges, nuts, bolts, seal etc. to be installed at chiller suction and discharge.(xvi) DRAIN WATER PIPES. Supplying, Fixing, Testing and Commissioning of G.I. medium class water pipes as per IS 1239/1979 ofrequired size along with necessary clamps, fittings such as bends, tees etc. adequately supported and duly insulated with 13 mm thick closed cell elastomeric nitrile rubber of class \"O\" insulation applied by adhesive confirming to standard specifications complete with type3, grade 1 roofing felt strip (as per IS:1322 as amended up to date) at joints and repairing of damage to building etc. as required complete in all respects
43	(xvii) EXPANSION TANK. Supply, Installation, Testing of open type expansion tank of capacity as per design requirement, of MS Construction made of minimum 6 mm thick mild steel sheet duly insulated with XLPE insulation applied by adhesive confirming to standard specifications and finally applying 0.63 mm thick aluminium sheet cladding complete with type3, grade 1 roofing felt strip (as per IS:1322 as amended up to date) at joints and repairing of damage to building etc. as required complete in all respect with connection over flow and drain 40 mm dia.Make up tank with makeup connection with float valve drain valve and incoming line valves, vent connections, valves and fittings as required.(xviii) MAKE UP WATER TANK. Supply & Installation of makeup water tank of 500 liters capacity HDPE Construction as required completeinallrespectwithconnection,overflowanddrain. Makeup connection with float valve, drain valve, incoming line valves and fittings as required.
44	CONDENSER WATER PIPES(i) Supplying, Fixing, Testing and Commissioning of condenser water pipes of Various sizes and materials along with necessary clamps, vibration-isolators and fittings such as bends, tees etc but excluding strainer and gauges etc adequately supported on rigid supports/including painting valves including minor holes & works making of good the damage done welded black steel pipe as specified.(ii) The Pipes of sizes 150mm & below shall be M.S. heavy class as per IS : 1239 and pipes of sizes above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35 mm thick M.S. Sheet for pipes upto 350 mm dia & from minimum 7mm thick M.S. sheet for pipes of 400 mm dia & above.(iii) Supplying, Fixing, Testing and Commissioning of following valves, gauges and strainers for condenser water circulation of sizes and nos. as required.
45	(ba) BUTTERFLY VALVES (MANUAL) with Cast steel body SS Disc, Buna-N integrally moulded Seal & O- Ring. The valve shall be suitable for PN 16 working pressure for condenser water circulation as required.(bb) BALANCINGVALVESWITHBUILT-INMEASURINGFACILITY of suitable sizes and nosofGunmetal construction upto 50 mm dia & cast steel/ ductile iron body upto 300 mm dia as required having flanged construction with SS disc disc having long pitch with protruded out pipe insulation & suitable for PN 16 working pressure for condenser water circulation as required. The Ductile iron body shall be painted with one Coat of Inorganic ethyl self-curing zinc silicate premier at 75 microns & Coat of Super High build epoxy MIO Coating cured with polyamide hardener at 150 microns & finally two coats of High Build Gloss Aliphatic Acrylic Polyurethane at 50 micron dry film thickness.(bc) NON - RETURN VALVESwith dual plate of cast steel construction, SS plates, Body lining-BUNA -N, flanged end construction, suitable for PN 16 working pressure for condenser water circulation as required.(bd) Y - STRAINERS of cast steel Body, flanged ends with stainless steel strainer, suitable for PN 16 working pressure for condenser water circulation as required.(be) BALL VALVESof brass construction, flanged end type for drain connection & make up water connection as required.(iv) FLEXIBLE CONNECTIONS. Supply, Installation, TestingandCommissioningof Flexibleconnectorsfor Suitable dia pipes having PN 16 working pressure with anti vacuum rings complete with flanges, nuts, bolts, seal etc. to be installed at condenser suction and discharge.(v) FLOW SWITCHS of brass/Polymer construction with necessary (suitable for desired size of pipe as per requirement.(vi) Industrial type pressure gauges with gun metal/ Brass construction isolating valve complete with all accessories as required.(vii) Industrial type mercury in glass industrial type thermometers with gun metal/ Brass construction isolating valve complete with all accessories as required.
46	(viii) Auto Air - purge valve of brass construction of suitable dia (Air Vent will be fitted with an isolating ball valve- gunmetal/brass construction)(ix) ON-LINE SCALE PREVENTERSupply, Installation, Testing and commissioning of On line, Non Chemical water treatment scale preventer system (suitable for Pipe size as per design) having flow rate as per design requirement.(x) MAKE UP WATER TANK. Supply & Installation of makeup water tanks of HDPE Construction of capacity as recommended by manufacturer complete in all respect with connection,overflowanddrain.Makeup connection with float valve, drain valve, incoming line valves and fittings as specified including civil foundation works included in the scope of work.
47	AIR DISTRIBUTION WORKS(a) DUCTS(i) Supply, Installation, Balancing and Commissioning of factory fabricated GSS sheet metal rectangular ducting with supports as per IS 655-2010 complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and as required of following sheet thickness complete.(aa) 24 Gauge ( Thickness 0.63mm)(bb) 22 Gauge (Thickness 0.8mm)(cc) 20 Gauge (Thickness 1.0mm)(ii) Supply, Fabrication, Installation, Balancing and Commissioning of Site fabricated GSS sheet metal rectangular ducting with supports as per IS 655-2010 complete with neoprene rubbergaskets,elbows,splitterdampers,vanes,hangers, supports etc. as per approved drawings and as required of following gauges:- (aa) 24 Gauge ( Thickness 0.63mm)(bb) 22 Gauge (Thickness 0.8mm)(cc) 20 Gauge (Thickness 1.0mm)(iii) Supply, Installation, Testing and Commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as required.(iv) Supply, fixing of powder coated extruded aluminum diffusers complete with black anodized extruded aluminum VCD (wherever specified), nuts, bolts, screws etc. as per approved drawings and as required. (aa) Supply air diffusers of required sizes with volume control damper. (bb) Return air diffusers of required sizes without volume control damper.(v) Supply & Fixing of powder coated extruded aluminum continuous type linear return air grilles complete with nut, bolts, screws etc. as per approved drawings and as required.(vi) Supply, Installation, Testing and Commissioning of powder coated extruded aluminium louvers with synthetic removable type filter, bird screen & damper for fresh air.(vii) Supplying, Installation, Testing and Commissioning of fire dampers as required
48	INSULATION WORKS(a) Supply and Fixing acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glass wool having density of 32 kg/m3, with 25 mm x 25 mm GI section of mm thick , at 600 mm centre to centre covered with double layer reinforced plastic tissue paper and 0.5 mm thick perforated aluminium sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc. complete as required.(b) Supplying and Fixing of19 mm thickness duly laminated aluminium foil of mat fininshed closed cell XLPE (class \"\"O\"\") insulation on duct after applying two coats of cold setting adhesive (the joints shall sealed with 50mm wide and 3 mm thick XLPE insulation complete as required.
49	ELECTRICAL WORKS(i) The outgoing feeders as indicated in Schedule of works shall have suitable range of followings (except capacitor feeders).(ii) All Digital electronic MFM cum KWH meter where provided shall equipped with three phase indicating lamps. (iii) 415/110V suitable rating control transformer shall be provided for aux. control supply(iv) Wiring with space heater, thermostat and control MCB\"s shall be provided for all vertical sections of main LT panel.(v) All incoming as well as outgoing feeders shall have pad locking facility.(vi) Suitable danger board shall be provided.(vii) All MCCB’s shall be provided with front rotary handle and operating mechanism for door interlock with Pad locking of MCCB’s handles in “OFF” Position.(viii) All hinged door shall be earthed through 2.5 sq mm tinned braided copper wire.(ix) Panels shall be Powder Coated with gray paint shade no. RAL-7032 of IS-5.(x) Minimum Degree of protection for following type of distribution panel enclosure shall be as per IS:60439.(xi) All motor feeders MCCBs shall be of motor duty.(xii) Supporting/Base rigid steel framework.(xiii) TPN MCCB’s shall mean 3 pole MCCB’s with adequate size of neutral link.(xiv) Final rating & various parameter, in addition to the specified below shall be selected on the bases of ambient conditions at site, client specific requirements, requirement for the NOC from various statutory authorities, as per detail designed stage calculations.(xv) Each Panel incomers/outgoings shall be provided with suitable contacts/terminals to receive the Al. Conductor cables given in the latter section.(xvi) All Panel shall be minimum IP-54 for Indoor environment except for outdoor conditions those are mentioned separately.
50	(a) Supplying, installation, testing & commissioning of CPRI approved indoor type floor mounted front operated Main HVAC and AHU electrical / control panels TTA as per IEC 61439 having for 415V, 3 Phase, 4Wire 50 Hz AC supply system fabricated in compartmentalized design with CRCA sheetsteel of 2mm thick for frame work and covers, 3mm thick for gland plates i/c cleaning & surface treatmentwith 9 tank process before powder coating in approved shade, having specified below Amp. capacity extensible type TPN Aluminium Alloy bus bars with suitable rating Neutral of high conductivity, DMC/ SMC bus bar supports, with short circuit withstand capacity of 35kA for 1 sec, bottom base channel of MS section not less than 100mm x 75mm x 5mm thick, fabrication shall be done in transportable sections, entire panel shall have a common copper earth bar of size 32mm x 5mm at the rear with 2 Nos. earth stud, solid connections from main bus bar to switch gears with required size of with earth bus, Al. bus bars, numbering & sign writing, interconnection & and control wiring including the cost of connection through bus bar / copper conductor flexible connection with necessary interlocking as per requirement with PVC insulated FRLS copper conductor Single Core cable, cable alleys, cablegland plates in two half, i/c providing switch gears as per design and approved by CWE.
51	(b) CABLES, WIRES & END TERMINATIONS(i) Supply, laying testing and commissioning of various sizes of XLPE insulated PVC sheathed round wire armoured aluminium conductor cable of 1.1 KV grade on cable tray / surface including clamps, ties, excavation work etc. as required and specified Supplying and making end termination with brass compression gland and aluminium lugs for various sizes of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required and specified.(ii) Providing & fixing of control wiring/power cabling with various sizes of copper conductor armoured cable ,making connection etc. as required and specified. (iii) Providing and fixing 25x5 mm dia GI strip for earthing.(iv) Supply, fabricating and installing ofdesired sizes of hot dip Galvanized ladder type cable trays includinghorizontal vertical bends, reducers, tees, cross members and other accessories as required and duly installed from the ceiling/side walls with suitable size of channels/ angles with anti corrosion painting, full threaded GI rods etc. complete as required & approved by the Engineer-in-charge.
52	All as per Srl item No.1 above but plant capacity not less than 25 TR (2 x 12.5 TR working and 1 x 12.5 TR standby ) for Ejection Seat Bay. The plant shall comprise of the following:-CHILLER:-Supply, Installation, Testing and Commissioning of water cooled scroll chiller with single/ multi-compressors, comprising of Hermetic compressors, DX Evaporator, shell & tube condenser, suitable expansion device, suitable for operation on Non CFC refrigerant and complete in all respects as required Cooling capacity(2 Working + 1 Standby)
53	PUMPS:-(i) Supply, Installation, Testing and Commissioning of end suction monoblock /centrifugal Chilled water pump (2 Working + 1 Standby)set of suitable capacity for AC plant comprising of the following and complete as required. 3 Nos. - Pumps with bronze impeller, S.S Shaft, CED Coated CI body and mechanical seal3 Nos. of suitable HP, TEFC squirrel cage induction motor (IE-2) with class \"F\" insulation, 2900/1450 RPM synchronous speed, operating at 415 ± 10 % Volts, 3phase, 50 Hz A.C. supply. Minimum Efficiency 75%.aluminium sheets of 24G thickness and properly clamped to pump in two semicircular sections as required.Lot-Mounting frame work with anti vibration pads.(ii) Supply, Installation, Testing and Commissioning of end suction monoblock /centrifugal Condenser water pump (2 Working + 1 Standby) set of suitable capacity for AC plant comprising of the following and complete as required.3 Nos. - Pumps with bronze impeller, S.S Shaft, CI body and mechanical seal.3 Nos. of suitable HP, TEFC squirrel cage induction motor (IE-2) with class \"F\" insulation, 2900/1450 RPM synchronous speed, operating on 415 ± 10 % Volts, 3 phase, 50 Hz A.C. supply. Minimum Efficiency 75%.Lot-Mounting frame work with anti vibration pads.(iii) Supply, Installation, Testing and Commissioning of Monoblock Type Hot water pump for hot water recirculation, pump set (1 Working + 1 Standby) of suitable capacity for AC plant comprising of the following and complete as required.2 Nos. - Pump with bronze impeller, S.S Shaft, CI body and mechanical seal.2 Nos. of suitable HP, TEFC squirrel cage induction motor (IE-2) with class \"F\" insulation, 2900/1450 RPM synchronous speed, operating on 415 ± 10 % Volts, 3 phase, 50 Hz A.C. supply. Minimum Efficiency 75%. Lot-Mounting frame work with anti vibration pads.
54	HOT WATER GENERATOR (HWG)Supply, Installation, Testing and Commissioningof electrically operated Hot Water Generator of suitable size and of suitable capacity made of 8 mm M.S. sheet and dish end made of 10mm M.S. having 16 gauge stainless steel lining with heaters arranged in banks and Controller and Thermostat so that required qty. of hot water is generated at 50°C with nominal variation, including 100mm thick resin bonded fiber glass insulation of 24 Kg / CUM density finished with 1.25mm thick aluminium sheet cladding including necessary Electrical panel with automatic Controls including inlet and outlet connections for water complete with pressure releasevalve,lowlevelcut-out,Auto-ventsight-glassall asper specifications complete as required and approved (Degree of protection IP-52 with IS 2147).
55	ULTRASONIC HUMIDIFIERSupplying, Installing, Testing and Commissioning of Ultrasonic humidifier, of suitable capacity complete with stainless steel tank with float valve, water makeup, overflow and drain connections. The transducer shall be interlocked with float switch, supplied with humidifier, and humidistat with necessary supports by MS structural steel if required, hangers, clamp supports from walls, floors and ceiling with painting with one coat of primer and two coats of paint to supports of MS work.COOLING TOWERSupply, Installation, Testing and Commissioning of Induced draft counter flow, vertical discharge type FRP Cooling tower of suitable capacity with ultra-violet treated durable & highly efficient PVC fillings with integral louvers and drift eliminators, open pan suitable for water distribution complete with hot FRP water basin. The hot water shall be distributed to fills in each cell via open type gravity type basin or with spray nozzles or having self rotatingsprinklers.Coolingtowershallbeprovidedwithstaticallyand dynamically balanced one no. anti corrosion treated axial flow type fan –direct driven or driven through special beveled reduction gear box with TEFC induction flame proof motor with IP-65 protection, IE-2, suction screen, make up and quick fill arrangement, overflow and drain connections and suitable inspection hot-dipped galvanized ladder, access arrangement for cooling tower interior, anti vibration mountings etc complete as required. The unit shall be installed at proper foundation as per requirements. (Civil foundation works is included in the scope of work).
56	FLOOR MOUNTED AIR HANDLING UNITS (FOR 4295 Sqft AREA)Supply, Installation, Testing and Commissioning of factory built Floor standing double skin type air handling unit of suitable capacity with thermal break profile made of 43 mm thick panels consisting of pre plasticized G.I. casing of thickness 0.8 mm outside and 0.8 mm thick GI sheet inside layer with CFC-FREE P.U. insulation of density 42(+5%) kg/m3 factory injected between them by injection moulding machine, complete with Direct Driven plug fan of required static pressure. The unit shall consist minimum 4 rows deep cooling coil & 2 row deep heating coil as per requirements (not limited to listed below) with aluminium finned(12FPI) copper tubes(tube thickness not less than 0.41 mm) , filter sections with 50 mm thick washable synthetic type Pre filters having efficiency 90% down to 10 micron,and panel suitable for operation at 415 ± 10% volts, 50 Hz, 3 phase, A.C supply, complete with drain connections with drain valve, insulated stainless steeldrainpan,necessaryvibrationisolationarrangement,flexibleduct 20 G SS Drain pan, drain connection with necessary control arrangement to switch off the fan in case of fire, indicating lamp & all safety precaution in a powder coated GI enclosure with necessary power and control cable as required.The AHU should have space for humidifier.
57	WATER PIPING WORKS(a) INSULATED CHILLED / HOT WATER PIPING(i) Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled/ hot water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with Closed Cell Class O Nitrile Rubber Elastomeric Insulation of Density 40-60 Kg/m3, Thermal Conductivity of 0.035 W/mk at 0Deg Celsius Mean Temp and µ≥7000 (without any additional Vapour Barrier) and factory laminated 7 mil Glass Cloth (GC) covering ; to be applied on Pipes using manufacturer\"s recommended Rubber based Adhesive in a blend of solvents. complete as per specifications and as required complete in all respect. Note :- The Pipes of sizes 150mm & below shall be M.S. \"C\" class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above.
58	(i) Supplying, Fixing, Testing and Commissioning of following valves, strainers, Gauges etc (Nos. as per design requirement) in the chilled / hot water plumbing duly insulated to the same specifications as the connected piping and adequately supported as required.(iii) BUTTERFLY VALVES (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & O- Ring PN 16 pressure rating for chilled / hot water circulation as required.(iv) BALL VALVE set with and without Y strainer with bronze body, flanged end type for chilled / hot water circulation as specified.(v) BALANCING VALVE WITH BUILT IN MEASURING FACILITY of C I body flanged construction with EPDM coated disc with long pitch with protruded out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as required.(vi) NON- RETURN VALVE with dual plate of C I body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating for chilled / hot water circulation including insulation as required.(vii) Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as required.(viii) Three Way Motorized Valves with modulating motor in cooling / heating coil of air handling units as required of following sizes.(ix) FLOW SWITCH of brass/Polymer construction with necessary arrangement as per requirement.(x) Industrial type pressure gauges with gun metal/ Brass construction isolating valve complete with all accessories as required.(xi) Industrial type mercury in glass industrial type thermometers with gun metal/Brass construction isolating valve complete with all accessories as required.(xii) Digital thermometers with probe suitable for binder test point application with Brass construction, Nitrile sealing bushes, max operating pressure of 16 bar & max. working temperature of 110 deg Celsius as required.
59	(xiii) Dial type pressure gauge with probe suitable for binder test point application with Brass construction, Nitrile sealing bushes, max operating pressure of 16 bar & max. working temperature of 110 deg Celsius as required.(xiv) Auto Air - purge valve of brass construction of suitable dia (Air Vent will be fitted with an isolating ball valve- gunmetal/brass construction)(xv) FLEXIBLE CONNECTIONS.Supply,Installation,TestingandCommissioningofFlexibleconnectorfor pipe of required Dia. having PN 16 working pressure with anti vacuum rings complete with flanges, nuts, bolts, seal etc. to be installed at chiller suction and discharge.(xvi) DRAIN WATER PIPES. Supplying, Fixing, Testing and Commissioning of G.I. medium class water pipes as per IS 1239/1979 ofrequired size along with necessary clamps, fittings such as bends, tees etc. adequately supported and duly insulated with 13 mm thick closed cell elastomeric nitrile rubber of class \"O\" insulation applied by adhesive confirming to standard specifications complete with type3, grade 1 roofing felt strip (as per IS:1322 as amended up to date) at joints and repairing of damage to building etc. as required complete in all respects
60	(xvii) EXPANSION TANK. Supply, Installation, Testing of open type expansion tank of capacity as per design requirement, of MS Construction made of minimum 6 mm thick mild steel sheet duly insulated with XLPE insulation applied by adhesive confirming to standard specifications and finally applying 0.63 mm thick aluminium sheet cladding complete with type3, grade 1 roofing felt strip (as per IS:1322 as amended up to date) at joints and repairing of damage to building etc. as required complete in all respect with connection over flow and drain 40 mm dia.Make up tank with makeup connection with float valve drain valve and incoming line valves, vent connections, valves and fittings as required.(xviii) MAKE UP WATER TANK. Supply & Installation of makeup water tank of 500 liters capacity HDPE Construction as required completeinallrespectwithconnection,overflowanddrain. Makeup connection with float valve, drain valve, incoming line valves and fittings as required.
61	CONDENSER WATER PIPES(i) Supplying, Fixing, Testing and Commissioning of condenser water pipes of Various sizes and materials along with necessary clamps, vibration-isolators and fittings such as bends, tees etc but excluding strainer and gauges etc adequately supported on rigid supports/including painting valves including minor holes & works making of good the damage done welded black steel pipe as specified.(ii) The Pipes of sizes 150mm & below shall be M.S. heavy class as per IS : 1239 and pipes of sizes above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35 mm thick M.S. Sheet for pipes upto 350 mm dia & from minimum 7mm thick M.S. sheet for pipes of 400 mm dia & above.(iii) Supplying, Fixing, Testing and Commissioning of following valves, gauges and strainers for condenser water circulation of sizes and nos. as required.
62	(ba) BUTTERFLY VALVES (MANUAL) with Cast steel body SS Disc, Buna-N integrally moulded Seal & O- Ring. The valve shall be suitable for PN 16 working pressure for condenser water circulation as required.(bb) BALANCINGVALVESWITHBUILT-INMEASURINGFACILITY of suitable sizes and nosofGunmetal construction upto 50 mm dia & cast steel/ ductile iron body upto 300 mm dia as required having flanged construction with SS disc disc having long pitch with protruded out pipe insulation & suitable for PN 16 working pressure for condenser water circulation as required. The Ductile iron body shall be painted with one Coat of Inorganic ethyl self-curing zinc silicate premier at 75 microns & Coat of Super High build epoxy MIO Coating cured with polyamide hardener at 150 microns & finally two coats of High Build Gloss Aliphatic Acrylic Polyurethane at 50 micron dry film thickness.(bc) NON - RETURN VALVESwith dual plate of cast steel construction, SS plates, Body lining-BUNA -N, flanged end construction, suitable for PN 16 working pressure for condenser water circulation as required.(bd) Y - STRAINERS of cast steel Body, flanged ends with stainless steel strainer, suitable for PN 16 working pressure for condenser water circulation as required.(be) BALL VALVESof brass construction, flanged end type for drain connection & make up water connection as required.(iv) FLEXIBLE CONNECTIONS. Supply, Installation, TestingandCommissioningof Flexibleconnectorsfor Suitable dia pipes having PN 16 working pressure with anti vacuum rings complete with flanges, nuts, bolts, seal etc. to be installed at condenser suction and discharge.(v) FLOW SWITCHS of brass/Polymer construction with necessary (suitable for desired size of pipe as per requirement.(vi) Industrial type pressure gauges with gun metal/ Brass construction isolating valve complete with all accessories as required.(vii) Industrial type mercury in glass industrial type thermometers with gun metal/ Brass construction isolating valve complete with all accessories as required.
63	(viii) Auto Air - purge valve of brass construction of suitable dia (Air Vent will be fitted with an isolating ball valve- gunmetal/brass construction)(ix) ON-LINE SCALE PREVENTERSupply, Installation, Testing and commissioning of On line, Non Chemical water treatment scale preventer system (suitable for Pipe size as per design) having flow rate as per design requirement.(x) MAKE UP WATER TANK. Supply & Installation of makeup water tanks of HDPE Construction of capacity as recommended by manufacturer complete in all respect with connection,overflowanddrain.Makeup connection with float valve, drain valve, incoming line valves and fittings as specified including civil foundation works included in the scope of work.
64	AIR DISTRIBUTION WORKS(a) DUCTS(i) Supply, Installation, Balancing and Commissioning of factory fabricated GSS sheet metal rectangular ducting with supports as per IS 655-2010 complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and as required of following sheet thickness complete.(aa) 24 Gauge ( Thickness 0.63mm)(bb) 22 Gauge (Thickness 0.8mm)(cc) 20 Gauge (Thickness 1.0mm)(ii) Supply, Fabrication, Installation, Balancing and Commissioning of Site fabricated GSS sheet metal rectangular ducting with supports as per IS 655-2010 complete with neoprene rubbergaskets,elbows,splitterdampers,vanes,hangers, supports etc. as per approved drawings and as required of following gauges:- (aa) 24 Gauge ( Thickness 0.63mm)(bb) 22 Gauge (Thickness 0.8mm)(cc) 20 Gauge (Thickness 1.0mm)(iii) Supply, Installation, Testing and Commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as required.(iv) Supply, fixing of powder coated extruded aluminum diffusers complete with black anodized extruded aluminum VCD (wherever specified), nuts, bolts, screws etc. as per approved drawings and as required. (aa) Supply air diffusers of required sizes with volume control damper. (bb) Return air diffusers of required sizes without volume control damper.(v) Supply & Fixing of powder coated extruded aluminum continuous type linear return air grilles complete with nut, bolts, screws etc. as per approved drawings and as required.(vi) Supply, Installation, Testing and Commissioning of powder coated extruded aluminium louvers with synthetic removable type filter, bird screen & damper for fresh air.(vii) Supplying, Installation, Testing and Commissioning of fire dampers as required
65	INSULATION WORKS(a) Supply and Fixing acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glass wool having density of 32 kg/m3, with 25 mm x 25 mm GI section of mm thick , at 600 mm centre to centre covered with double layer reinforced plastic tissue paper and 0.5 mm thick perforated aluminium sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc. complete as required.(b) Supplying and Fixing of19 mm thickness duly laminated aluminium foil of mat fininshed closed cell XLPE (class \"\"O\"\") insulation on duct after applying two coats of cold setting adhesive (the joints shall sealed with 50mm wide and 3 mm thick XLPE insulation complete as required.
66	ELECTRICAL WORKS(i) The outgoing feeders as indicated in Schedule of works shall have suitable range of followings (except capacitor feeders).(ii) All Digital electronic MFM cum KWH meter where provided shall equipped with three phase indicating lamps. (iii) 415/110V suitable rating control transformer shall be provided for aux. control supply(iv) Wiring with space heater, thermostat and control MCB\"s shall be provided for all vertical sections of main LT panel.(v) All incoming as well as outgoing feeders shall have pad locking facility.(vi) Suitable danger board shall be provided.(vii) All MCCB’s shall be provided with front rotary handle and operating mechanism for door interlock with Pad locking of MCCB’s handles in “OFF” Position.(viii) All hinged door shall be earthed through 2.5 sq mm tinned braided copper wire.(ix) Panels shall be Powder Coated with gray paint shade no. RAL-7032 of IS-5.(x) Minimum Degree of protection for following type of distribution panel enclosure shall be as per IS:60439.(xi) All motor feeders MCCBs shall be of motor duty.(xii) Supporting/Base rigid steel framework.(xiii) TPN MCCB’s shall mean 3 pole MCCB’s with adequate size of neutral link.(xiv) Final rating & various parameter, in addition to the specified below shall be selected on the bases of ambient conditions at site, client specific requirements, requirement for the NOC from various statutory authorities, as per detail designed stage calculations.(xv) Each Panel incomers/outgoings shall be provided with suitable contacts/terminals to receive the Al. Conductor cables given in the latter section.(xvi) All Panel shall be minimum IP-54 for Indoor environment except for outdoor conditions those are mentioned separately.
67	(a) Supplying, installation, testing & commissioning of CPRI approved indoor type floor mounted front operated Main HVAC and AHU electrical / control panels TTA as per IEC 61439 having for 415V, 3 Phase, 4Wire 50 Hz AC supply system fabricated in compartmentalized design with CRCA sheetsteel of 2mm thick for frame work and covers, 3mm thick for gland plates i/c cleaning & surface treatmentwith 9 tank process before powder coating in approved shade, having specified below Amp. capacity extensible type TPN Aluminium Alloy bus bars with suitable rating Neutral of high conductivity, DMC/ SMC bus bar supports, with short circuit withstand capacity of 35kA for 1 sec, bottom base channel of MS section not less than 100mm x 75mm x 5mm thick, fabrication shall be done in transportable sections, entire panel shall have a common copper earth bar of size 32mm x 5mm at the rear with 2 Nos. earth stud, solid connections from main bus bar to switch gears with required size of with earth bus, Al. bus bars, numbering & sign writing, interconnection & and control wiring including the cost of connection through bus bar / copper conductor flexible connection with necessary interlocking as per requirement with PVC insulated FRLS copper conductor Single Core cable, cable alleys, cablegland plates in two half, i/c providing switch gears as per design and approved by CWE.
68	(b) CABLES, WIRES & END TERMINATIONS(i) Supply, laying testing and commissioning of various sizes of XLPE insulated PVC sheathed round wire armoured aluminium conductor cable of 1.1 KV grade on cable tray / surface including clamps, ties, excavation work etc. as required and specified Supplying and making end termination with brass compression gland and aluminium lugs for various sizes of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required and specified.(ii) Providing & fixing of control wiring/power cabling with various sizes of copper conductor armoured cable ,making connection etc. as required and specified. (iii) Providing and fixing 25x5 mm dia GI strip for earthing.(iv) Supply, fabricating and installing ofdesired sizes of hot dip Galvanized ladder type cable trays includinghorizontal vertical bends, reducers, tees, cross members and other accessories as required and duly installed from the ceiling/side walls with suitable size of channels/ angles with anti corrosion painting, full threaded GI rods etc. complete as required & approved by the Engineer-in-charge.
69	Design, supply, installation, testing & commissioning of dry Air Dehumidifier Model- FFB1000 of BryiAir or equivalent model of Hitachi / Refcon, having nominal capacity of 600 CFM each along with Humidistat complete in all respect, all as specified (for Flying clothing room 220 & 221)all as specified and directed Technical details:-Dehumidifier required to maintain RH NMT 55% (NOT MORE THAN 55%) at a temperature of 86 Deg F inside room , having Vol. Of 10296 Cu.Feet, with no occupancy , recommend 1 No. of Bry Air Dehumidifier Model - FFB1000having nominal capacity of 600 CFM each along with 1 No. of Humidistat to maintain desired conditions.
70	Design, supply, installation, testing & commissioning ofRECIRCULATED TYPE ENGINEERED DESICCANT DEHUMIDIFIER SUITABLE AREA 6000CFM Basic dehumidifier comprising of a high efficiency “DRYSTAR” desiccant honeycomb rotor / bed mounted on a horizontal fixed shaft arrangement. It shall have positive sealing of process and reactivation air stream to allow for independent airflow with no balancing required. DHU will be double skin 43mm thick puff insulation & density of same is 38kg/m3. The inner skin 24 gauge pre coated sheet & external is pre coated 22 guage G.I sheet.Supply air section shall comprise of : Inlet Fresh Air-filter EU-3 / 20 micron Synthetic Non-Woven media filter. The filter shall be encased in housing which will form an integral part of dehumidifier with aluminium construction. Size : 300 x 300 x 40mm - No -1(Make : Ultrafil/Freudenberg)/Tranc / CamfilInlet Return Air-filter EU-3 / 20 micron Synthetic Non-Woven media filter. The filter shall be encased in housing which will form an integral part of dehumidifier with aluminium construction. Size : 610 x 610 x 40mm- No -1(Make : Ultrafil/Freudenberg) /Tranc / CamfilDehumidifier section with “Drystar” desiccant honeycomb rotor / bed mounted on a horizontal fixed shaftarrangement & 100% Electrical heater bank. This section should have bypass damper arrangement to bypass return air- No -1
71	Process Fan section length should be as per standared dimension of the fan required to install the fan in housing. Fan should be DIDW Centrifugal type / Plug type (Make : Kruger/Rosenberg) Tranc / Camfil with process motor - set - 01(Make : CGL/BBL) / ABB / SiemensHousing for Post Cooling Coil with 6 Row Module. This shall be duly insulated and shall form an integral part of unit.The section will also have Sandwich type insulated drain pan, drain pan should be 18 G SS 304 construction for draining the condensed water from the coi. Inner skin with SS 304 and outer skin nitril rubber insulation 19 mm thick. (Make : KCC/STF) / Bry-Air - Set - 01Bed Drive unit with 16 rph to drive rotor @ 1.8 rpm , 0.25 hp , Single Phase , 230v , 50 hz- No -1Bed drive sproket , S.S. 304 clocking clit- No -2Reactivation Motor (Make : CGL/BBL) / ABB / Siemens with reactivation fan will be Drystar make- No -1Reactivation Fan section length should be as per standared dimension of the fan required to install the fan in housing- No -1
72	Double skin panel cabinet with thermal break coving aluminum section - NO. 1Chain drive link 12 inch - SET 1Thermostate , 30 to 300 deg. C range - 2 Nos with sefety -NO. 1There should be access door across every section of dehumidifier - NO. 1There should be opening for cables inlet with gland - NO. 6Reactivation sections consists of hard glasswool pad with alluminum foil - SET 1Reactivation metalic filter shall be encased in housing which will form an integral part of dehumidifier. - SET 1Electrical Heater secion with 100% Electrical heater banks suitable for design temperature. This should be designed as per good engineering practice. - SET 1
73	A. RECIRCULATED TYPE ENGINEERED DESICCANT DEHUMIDIFIER SUITABLE AREADehumidifier section should have limit switch and light (CFL) there should be provision. SET 1Provide View Glass in Decicant Wheel Section. NO. 1The dehumidifier units should have aluminium aerofoil blade volume control dampers at Supply , Return, Fresh Air change over from one dehumidifier to another. NO. 3150mm X 150mm X 12 mm Rubber pads for Mounting DHUs NO. 4Air pressure switch for reactivation sector . NO. 1Rotor seal with silicon for high temperature SET 1B. Electrical control panel is provided with all electrical components : NO. 1Complete equipment: RYB Indicators, motor protection, signaling operation, circuit breaker, start / stopbutton, ON/OFF/Trip indicators for DHU Motors, Electrical heaters, Theryster, Thermostate, PressureSwitch, Dehumidifier wherever applicable & exhaust fans wiring of electrical cabinet, Fan + louvers forcooling of electrical cabinet. All necessary accessories needed for mounting & Cable Gland shall beprovided. The electrical wiring shall have all interlocks for supply air fan, exhaust air fan, dehumidifier,Rotor limit switch, DHU door limit switch wherever applicable
74	C PLC & HMI System for Dehumidifier (Make : MITSUBUSHI) / Siemens / ABB / KirloskarHMI - with 8\" Screen Display, SMPS, Relay Card, Power Distribution Model, Communication Cable,Temperature & Humidity Sensor - SET 1C. OUT DOOR UNIT :11.0 TR - VOLTAS make Out Door Unit with Automatic Temperature control for Post Cooling - NO 3D. OUT DOOR UNIT :Supply of Hard Copper Piping with Insulation Post-Cooling AHU Coil to Out Door Unit for supply side (EachCircuit Measure Seperately) - MTR -30Supply of Hard Copper Piping with Insulation Between Post Cooling AHU Coil to Out Door Unit forDischarge Side (5 Mtr. For each unit) - Mtr - 30Supply Charges of Expansion Valve - No. 3Supply Charges of Refrigerant Filter Drier - No. 3Supply Charges of Copper Ball Valve - No. 6Supply Charges Drain Pipe with PVC Insulation Mtr 15Supply charges of Cable Tray, Bressing rod, Flyer nut, Tray fittings, etc..- Set 3Supply of Refrigerant Gas R-410a, Nitrogen, LPG, O2 Kg.
75	E. SHEET METAL DUCTING :Supply, installation, testing & commissioning of fabricated 24 gauge G.I. sheet metal ducting with double neoprene gaskets complete with M.S. supports, G.I. flanges, fully threaded GI rods, nuts and bolts, RTV sealant, washers etc.SQ.FT. 3000F. THERMAL INSULATION FOR DUCTING :Insulation material - Elastomeric nitirile rubber with factory backed aluminium foil installed with aqueous based adhesive solution.19mm Thick for Supply Air Side SQ.FT. 1500 13mm Thick for Return Air Side SQ.FT. 1500G SUPPLY GRILL AND RETURN GRILL :M.S. Powder coated \"0\" degree grill : 450 x 450mm -No- 12
76	Supply and fix Plug and socket sheet metal enclosure with MCB 32 AMP TPN, 415 volts, 50Hz as specified and directed.
77	Supply and fixing of flexible PVC hose pipe of 200 mm diameter for providing process inlet air/process outlet air or reactivation inlet air/reactivation outlet air to the given room/lab for various equipment including making hole in walls/ceiling with appropriate clamps & fixing arrangement as per site requirement complete all as specified and directed by Engr-in-charge.
78	M & L for Supplying, laying, Connecting, jointing and testing XLPE Insulated screened, PVC bedded galvanized steel strip or wire armoured, electric power cables (heavy duty) earthed, with stranded aluminium conductor 1100V grade cross sectional area 4 core X 10 sqmm Complete in treches/ducts/on wall/poles including excavation and earthwork, returning filling in, removal of soil to a distance not exceeding 50 m, clamps of suitable size on pole complete all as specified and directed by Engeener - in-charge.
79	M&L for Earthing complete with galvanised steel earth plate electrode 600×600× 6 mm thick, buried directly in ground vertically at a depth not less than 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, earth plate surrounded from all side by 15cm thick packed layer of charcoal dust and comman salt filling in alternate layers and electrode connections by using GI strip 32 x 6 mm as earthing lead (upto the body of the equipment) by means of bolts, nuts, check nuts and washer made of galvanised iron and thimbles and protected by light grade 40mm dai Gl pipe connected to main switch board or main control or main main control board and GI pipe medium grade 20mm bore for watering and including funnel, wire mesh,80 mm thick RCC pit cover and PCC chamber pit with PCC (1:3:6) type C-2 using 40mm graded stone stone aggregate, including exacavation and earth work in any type of soil, returning, filling in approved soil and disposal of surplus soil to a distance not execeding 50m all as specified and shown in electrical plate No-3 of SSR 2009 (part-1) including testing on completion complete all and as directed by Engineer-in-Charge.
80	MANNING AND OPERATION FOR FIRST YEAR
81	(a) Manning & Operation CENTRAL TYPE AC PLANTS in three shifts (Each Shift of 8 hours) with one operator (Skilled) per shift round the clock including summer, winter and monsoon season for the following AC Plants & DG Sets for the locations as mentioned for complete all as spepecified and as directed :-(a) At composite POD lab comprising 3 x 95.5 TR (2x95.5 TR working and 1x95.5 TR standby), AHUs and 625 KVA DG Set.(b) At FSS comprising 3 x 19.5 TR (2x19.5 TR working and 1x19.5 TR standby), AHUs and 250 KVA DG Set.(c) At Avionics lab comprising 3 x 22.5 TR (2x22.5 TR working and 1x22.5 TR standby), AHUs and 250 KVA DG Set.(d) At Ejection seat bay comprising 3 x 12.5 TR (2x12.5 TR working and 1x12.5 TR standby), AHUs and 200 KVA DG Set
82	MANNING AND OPERATION FORSECOND YEAR
83	(a) Manning & Operation CENTRAL TYPE AC PLANTS in three shifts (Each Shift of 8 hours) with one operator (Skilled) per shift round the clock including summer, winter and monsoon season for the following AC Plants & DG Sets for the locations as mentioned for complete all as spepecified and as directed :-(a) At composite POD lab comprising 3 x 95.5 TR (2x95.5 TR working and 1x95.5 TR standby), AHUs and 625 KVA DG Set.(b) At FSS comprising 3 x 19.5 TR (2x19.5 TR working and 1x19.5 TR standby), AHUs and 250 KVA DG Set.(c) At Avionics lab comprising 3 x 22.5 TR (2x22.5 TR working and 1x22.5 TR standby), AHUs and 250 KVA DG Set.(d) At Ejection seat bay comprising 3 x 12.5 TR (2x12.5 TR working and 1x12.5 TR standby), AHUs and 200 KVA DG Set
84	MANNING AND OPERATION FOR THIRD YEAR
85	(a) Manning & Operation CENTRAL TYPE AC PLANTS in three shifts (Each Shift of 8 hours) with one operator (Skilled) per shift round the clock including summer, winter and monsoon season for the following AC Plants & DG Sets for the locations as mentioned for complete all as spepecified and as directed :-(a) At composite POD lab comprising 3 x 95.5 TR (2x95.5 TR working and 1x95.5 TR standby), AHUs and 625 KVA DG Set.(b) At FSS comprising 3 x 19.5 TR (2x19.5 TR working and 1x19.5 TR standby), AHUs and 250 KVA DG Set.(c) At Avionics lab comprising 3 x 22.5 TR (2x22.5 TR working and 1x22.5 TR standby), AHUs and 250 KVA DG Set.(d) At Ejection seat bay comprising 3 x 12.5 TR (2x12.5 TR working and 1x12.5 TR standby), AHUs and 200 KVA DG Set
86	Note for Item No.7.01, 8.01 & 9.01:- (a) All Tools & Plants or Transport required for carrying out daily maintenance and necessary stationary & documents (log books, test records etc.) for maintaining the recods of Running Pumping Sets/ DG Sets at each installation will be arranged by the contractor and nothing extra will be admissible on this account. (b) Quoted Unit Rate shall deemed to be inclusive of Cost of Consumeables Items like Grease, Cotton Waste, gland packing, gasket, rubber coupling, Nuts & bolts etc. (c) The quoted rates are deemed to be included for provision of communication facility by operators with JE / AGE or with Pump House, Panjuana for tie up during utility service breakdowns (Non supply of water from Panjuana PH).
87	(d) The rate quoted by contractor shall deem to be included for cleaning of the premises of installation including monthly cutting of grass, Vegetation and keeping the installation neat clean. (e) The operators should ensure the serviceability of the Plants, Machineries or Equipments and should be remain alert for every odd situation. The contractor should ensure full safety and functionability of the assets being maintained by him. Any casualty or injurysustained by the operators during the working hours at the premises of installations shall be sole liability of the contractor. No claim on thisaccount shall be entertained by the Department. (f) Quoted Unit Rate shall be for providing Outsourcing Round the Clock and DG Sets are to be operated immediately on failure of ElectricSupply Round the Clock, to ensure Continuous Power Supply to the Installations.
88	(g) In case of Failure of Electric Supply the Same Operator will start DG Set on the Same Location without any Extra Cost. (h) DHPP(N) will be issued under Schedule ‘B’ as Free-for-Consumption. The Actual Consumption of DHPPN(N) by each DG Set shall berecorded by the Contractor and to be signed by JE and Engineer-in-Charge as authenti-cation of Actual Consumption of DHPP(N). In caseOperator fails to record the Actual Consumption then Recovery shall be affected at the Rate of Rs. 300.00 PER SHIFT and Fuel consumedwill be treated as NIL. (j) Fueling of DG Set Tank, Checking and Toping up of Engine Oil in Sump, Cleaning of Power House Floor andsurrounding Area of Complex. (k) 08 Hours of Working by one operator on any plant shall be considered as \"one shift\",Contractor keep this aspect in view while quoting the unit rate accordingly.
89	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 rates.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 consumable used.iv. Life insurance and ESI medical facilities of govt for all the personnel shall be done by the contractor and copy of the police verification 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 fair wages as applicable to be paid by contractor through nationalised bank ESC mode and aadhar linked bank account 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.
90	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 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 temporary passes 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 that they are deployed temporary by the contractorthrough 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 should be 18 to 60 years old.xvi. Operator 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.
91	NOTE FOR COMPLETE SCHEDULE: A) ANY MINOR MODIFICATION REQUIRED FOR SUCCESFUL OPERATION OF PLANT ARE DEEMED TO BE INCLUDED IN OVERALL RATES QUOTED.

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