PROVISION OF CENTRAL AIR CONDITIONING FOR INDUCTION OF AEW AND C SQN AT AF STN BHISIANA

Amount

AIR CONDITIONING WORKS

SCROLL CHILLER PLANT - WATAR COOLED 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 R-407C refrigerant and complete in all respects as required of 63 TR actual cooling capacity. Water Temperature IN - 54 deg F Water Temperature OUT - 44 deg F Fouling Factor - 0.0005 FPS Condenser: Water Temperature IN - 90 deg F Water Temperature OUT - 97.5 deg F Fouling Factor - 0.001 FPS Water flow rate through Chiller - 151 USGPM Water flow rate through Condenser - 252 USGPM 63 TR {2 working +1 stand-by) Note - i) Next higher capacity of chiller can be supplied within overall cost quoted ii) Suitable arrangement of platform and connected accessories for installing chiller unit with anti-vibration pads as per OEM instructions.

Supply, Installation, Testing and Commissioning of end suction centrifugal Chilled water pump capable of delivering 151 USGPM of water against 30 mtr head comprising of the following and complete as required. (a) 1 no. - Pump with bronze impeller, S.S Shaft, CED Coated Cl body and mechanical seal. (b) 1 no. suitable HP, TEFC squirrel cage induction motor (IE-2) with class 'F' insulation, 2900/1450 RPM synchronous speed, operating at 415 ± 10 % Volts, 3 phase, 50 Hz A.C. supply; Minimum Efficiency 75%. (c) Duly insulated with 19 mm thick closed cell nitrile rubber insulation cladded with aluminium sheets of 24G thickness and properly clamped to pump in two semi-circular sections as required. (d) Lot-mounting frame work with anti-vibration pads.

Supply, Installation, Testing and Commissioning of end suction centrifugal Condenser water pump set capable of delivering 252 USGPM of water against 26 mtr WG head each comprising of the following and complete as required & directed. (a) 1 no. - Pump with bronze impeller, S.S Shaft, Cl body and mechanical seal. (b) 1 no. 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%. to pump in two semi-circular sections as required. (c) Lot-mounting frame work with anti-vibration pads. Note for Sr No 3 & 4 (a) Head calculations shall be submitted by contractor for approval of GE. No price adjustment shall be done for variation of plus / minus 5 meters, (b) Discharge calculations shall be submitted by contractor for approval of GE. No price adjustment shall be done for variation of plus / minus ten percent

Supply, Installation, Testing and Commissioning of Induced draft counter flow, vertical discharge-type FRP Cooling tower of 2.38 lacs kCal/hr heat rejection 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 -rotating sprinklers. Cooling tower shall be provided with statically and dynamically balanced two nos. anti-corrosion treated axial flow type fan - direct driven or driven through special bevelled 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 suitably inspected hot-dipped galvanized ladder, access arrangement for cooling tower interior, anti-vibration mountings etc complete as required. The unit shall be instate including testing on completion by engineer-in-charge, flexible duct connector etc., complete as per following capacities (a) Water Leaving Temperature : 90 deg F (b) Water Entering Temperature : 97.5 deg F (c)Water Flow Rate : 252 USGPM (d) Ambient Wet Bulb Temperature : 83 deg F Note: Suitable arrangement of platform and connected accessories for mounting cooling tower and ensure noise restriction to adjoining buildings.

Supply, Installation, Testing and Commissioning of factory built Floor standing double-skin type air handling units with thermal break profile made of 25 mm thick panels consisting of pre-plasticized G.l. casing of thickness 0.8 mm outside and 0.8 mm thick Gl 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 blower sections with direct driven plug fan of 65mm WG static pressure. The unit shall consist of 4/6 rows deep of cooling coil section with cooling coil and 2 row deep heating coil section 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, Fine filters having efficiency 99% down to 5 micron, VFD operated motor (flame-proof) 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 steel drain pan, necessary vibration isolation arrangement, flexible duct connector etc., complete as per following capacities: (a) 20 G SS drain pan, drain connection. (b) Fine filter should be located after the fan in the direction of airflow. (c ) The AHU should have space for humidifier. VFD panel with VFD (quantified separately), necessary control arrangement to switch off the fan in case of fire, indicating lamp & all safety precautions in a flame-proof powder coated Gl enclosure with necessary power and control cable as required.

Supply, Installation, Testing and Commissioning of factory built ceiling hung double skin type air handling units with thermal break profile made of 25mm thick panels consisting of pre-plasticized G.l. casing of thickness 0.6 mm outside layer and 0.6 mm plane Gl at 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 50mm WG static pressure. The unit shall consist of 6 rows deep of cooling coil section with cooling coil as per requirements (not limited to listed below) with aluminium finned (12FPI) copper tubes (tubes thickness not less than 0.41mm), filter section with 50mm thick washable synthetic type air pre-filters having efficiency 90% down to 10 micron, fine filters having efficiency 99% down to 5 micron, VFD operated motor (flame-proof), and panel suitable for operation at 415 ± 10% volts, 50 Hz, 3 phase, A.C supply complete with drain connections, stainless steel (20G) drain pan, the engineer-in- charge including testing on completion, ement, flexible duct connector etc., complete as per following:- (a) Fine filter should be located after the fan in the direction of airflow. (b) The AHU should have space for humidifier. VFD panel with VFD (quantified separately), necessary control arrangement to switch off the fan in case of fire, indicating lamp & all safety precautions in a flame-proof powder coated Gl enclosure with necessary power and control cable as required. Note: Suitable arrangement of platform and connected accessories for ceiling mounting AHU as per OEM instructions.

7154 CFM/17.43 TR

6794 CFM/15.54 TR

HOT WATER GENERATOR : MIPAS & OTS BUILDING Supply, install, test and commission electric hot water generator of 57 KW capactiy to suit following conditions with electric panel with control and relay to switch OFF and ON electric heater and all as specified a) Flow rate : 14.60 US GPM b) Inlet temperature of water : 40 deg celcius c) Outlet temperature of water: 60 deg celcius d) Working pressure: 100 PSIG Generator shall be fitted with step controller, pressure gauge with ball valve, pressure relief valve, thermometer, low level cut out and auto vent. Generator shall be provided with 50mm thick resin bonded fiber glass wool cladded with 0.63mm thick aluminium sheet on MS frame welded to genrator body

CENTRIFUGAL MONO BLOCK PUMP FOR HOT WATER GENERATOR : MIPAS & OTS BUILDING Supply, install, test and commission centrifugal mono block pump for pumping hot water from hot water generator to heating coil in AHU with energy efficient motor conforming to IS 12615. The pump shall be suitable for the given duty point. Each pump shall be of 100% capacity. (Out of two pumps one will be working and one will be standby). The pump shall be insulated with closed cell useful upto 220 deg F elastomeric insulation of 25mm thick with wrapped water proof fabric cloth all specified and directed by engineer in charge. a) water quantity : 60 LPM b) Static head: 25m c)RPM of motor: 1450 d) Impeller: Bronze e) Shaft: High tensile steel f) Pump/motor body : CI g) Seal: Mechanical h) Motor: suitable HP, squirrel cage SPDP having class B insulation j) Starter: star delta/ DOL starter k) Base frame: MS fabricated l) Foundation: RCC/PCC as per OEM recommendation.

Supplying, Installing, Testing and Commissioning of Ultrasonic Humidifier, 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 II 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.

Supply, Installation, Testing & Commissioning of HVAC dedicated VFDs suitable for the following fan motor capacities (the integration of the VFD with fan motor is included in this item) with IP 20 enclosures with Mains disconnect suitable to fit- out in electrical panel (flame-proof), having: (a) Built-in dual 5% impedance DC link reactor (harmonic filters) on the positive and negative rails of the DC bus of the VFD. (b) Built-In EMC Filters (electromagnetic compatibility filters) for VFDs for restriction of conducted emissions to comply with IEC61800: 3 (unrestricted Distribution):2004 Category C 1 for SO meters of cable length between motor & VFD. (c) Three-feedback PID (proportional-integrated-derivative) controller having capability to simultaneously accept 3 feedback signals from temperature sensor, pressure sensors or RH sensor for process optimization and accordingly regulate the speed of the fans.

Supplying, Laying/ Fixing, Testing and Commissioning of following nominal sizes of chiller/hot water. Water piping (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with 25 mm thick closed cell class 'O' Nitrile Rubber elastomeric insulation of density 40-55 kg per cubic metre, thermal conductivity of 0.037 W/mK at 20 degrees Celsius mean temp, and minimum water diffusion resistance of 7000 using manufacturer's recommended 'rubber-based adhesive in a blend of solvents. Nitrile rubber will be covered with a three-layered non-metallic cladding of 350 micron thickness and of metallic finish having aluminium as an intermediate layer and UV protection, as per manufacturer's instructions, complete in all respects. Note:- The pipes of sizes 150mm & below shall be M.S. 'C' 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 6.35mm thick M.S. sheet for pipes up to 350 mm dla. and from miniumum 7mm thick MS sheet for pipes of 400 mm dia and above.

125 mm dia. (32 mm thick insulation)

100 mm dia. (25 mm thick insulation)

80 mm dia. (25 mm thick insulation)

65 mm dia. (25 mm thick insulation)

50 mm dia. (25 mm thick insulation)

40 mm dia. (25 mm thick insulation)

25 mm dia. (19 mm thick insulation)

Supplying, Fixing, Testing and Commissioning of following valves, strainers, gauges in the chilled/hot water plumbing duly insulated to the same specifications as the connected piping and adequately supported as required. BUTTERFLY VALVE (MANUAL) with CI body SS Disc, Nitrile Rubber seal & O- Ring PN 1.6 pressure rating for chilled/hot water circulation as required. Note: Wherever butterfly valve of suitable size is not available, globe valve may be provided

100 mm dia.

80 mm dia.

50 mm dia.

40 mm dia.

S & F BALANCING VALVE with BUILT-IN MEASURING FACILITY of CI body flanged construction with EPDM coated disc with long pitch with protruded out pipe insulation & PN 1.6 pressure rating for chilled/hot water circulation as required.

100 mm dia.

80 mm dia.

50 mm dia.

40 mm dia.

S & F100mmdia bore NON - RETURN VALVE with dual plates of CI body SS plates vulcanized NBR seal flanged end & PN 1.6 pressure rating for chilled/hot water circulation including insulation as required

S & F 50mmdia bore NON - RETURN VALVE with dual plates of CI body SS plates vulcanized NBR seal flanged end & PN 1.6 pressure rating for chilled/hot water circulation including insulation as required

S & F 'Y' - STRAINER of ductile Cl/MS Body flanged ends with stainless steel strainer for chilled/hot water circulation including insulation as required.

100 mm dia.

80 mm dia.

50 mm dia.

40 mm dia.

S & F Three-way Motorised Valves with modulating motor in cooling/heating coil of air handling units as required of following sizes.

125 USGPM

90 USGPM

45 USGPM

38 USGPM

5 USGPM

6 USGPM

3 USGPM

S & F FLOW SWITCH of brass/polymer construction suitable for 100/50/40 mm dia. pipe as per requirement.

S & F Industrial type pressure gauges with gun-metal/brass conduction isolating valve complete with all accessories as required.

S & F Industrial type mercury in glass industrial type thermometers with gun- metal/brass conduction isolating valve complete with all accessories as required.

M& L Binder test points of brass construction at chilled/hot water pipelines i.e. inlet & outlet of ceiling hung air handling units.

S & F Digital thermometers with probe suitable for binder test paint application.

S & F Dial type pressure gauge with probe suitable for binder test point application.

S & F Auto Air - purge valve of brass construction of 15 mm dia. (Air Vent will be fitted with an isolating ball valve- gunmetal/brass construction)

Supply, Installation, Testing and Commissioning of 100 mm dia flexible connector for following dia. pipe having PN 1.6 working pressure with anti-vacuum rings complete with flanges, nuts, bolts, seal etc.to be installed at chiller suction and discharge

Supply, Installation, Testing and Commissioning of 50 mm dia flexible connector for following dia. pipe having PN 1.6 working pressure with anti-vacuum rings complete with flanges, nuts, bolts, seal etc.to be installed at chiller suction and discharge

Supplying, Fixing, Testing and Commissioning of 50 mm dia G.l. medium class water pipes as per IS 1239/1979 of following sizes along with necessary clamps, fittings such as bends, tees etc. adequately supported and duly insulated with 9 mm thick closed cell elastomeric nitrile rubber of class 'O' insulation applied by adhesive conforming to standard specifications complete with type3, gradel 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 specified..

Supplying, Fixing, Testing and Commissioning of 40 mm dia G.l. medium class water pipes as per IS 1239/1979 of following sizes along with necessary clamps, fittings such as bends, tees etc. adequately supported and duly insulated with 9 mm thick closed cell elastomeric nitrile rubber of class 'O' insulation applied by adhesive conforming to standard specifications complete with type3, gradel 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 specified..

Supply, Installation, Testing of open-type expansion tank 800 x 800 x 800mm of MS construction made of 6 mm thick mild steel sheet duly insulated with XLPE insulation applied by adhesive conforming to standard specifications and finally applying 0.63 mm thick aluminium sheet cladding complete with type3, gradel 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 with connection over flow and drain 40 mm dia. Make up tank (500 Itr.) with make up connection with float valve, drain valve and Incoming line valves, vent connections, valves and fittings as required.

Supplying, Fixing, Testing and Commissioning of condenser water pipes of following 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 media valves including minor holes & works making of good the damage done welded black steel pipe as IS:3589 walls etc as required. Note: 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 up to 350 mm dia. & from minimum 7mm thick M.S. sheet for pipes of 400 mm dia. & above.

150 mm dia.

100 mm dia.

50 mm dia.

40 mm dia.

32 mm dia.

S& F BUTTERFLY VALVE (MANUAL) with cast steel body SS Disc, Buna-N integrally moulded seal & 0- Ring. The valve shall be suitable for PN 1.6 working pressure for condenser water circulation as required:-

150 mm dia.

100 mm dia.

50 mm dia.

S & F 100 MM dia BALANCING VALVE with BUILT-IN MEASURING FACILITY of Gun metal construction up to 50 mm dia. & cast steel/ ductile iron body up to 300 mm dia. as required having flanged construction with SS disc having long pitch with protruded out pipe insulation & suitable for PN 1.6 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 primer at 75 microns & a 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.

S & F 100 mm dia non - return valve with dual plates of cast steel construction, SS plates, Body lining-BUNA -N, flanged end construction, suitable for PN 1.6 working pressure for condenser water circulation as required.

S & F 100 mm dia 'Y' - strainer of cast steel body, flanged ends with stainless steel strainer, suitable for PN 1.6 working pressure for condenser water circulation as required.

S& F 32 mm dia ball valve of brass construction, flanged end type for drain connection all as specified.

Supply, lnstallation,Testing and Commissioning of flexible connector for 100 mm dia. pipe having PN 1.6 working pressure with anti-vacuum rings complete with flanges, nuts, bolts, seal etc.to be Installed at condenser suction and discharge.

S & F flow switch of brass/polymer construction suitable for 100 mm dia. pipe as per requirement.

S & F Industrial type pressure gauges with gun-metal/ brass construction isolating valve complete with all accessories as required.

S & F Indystrial, type mercury In glass industrial type thermometers with gun metal/brass construction isolating valve complete with all accessories as required.

S & F Auto Air - purge valve of brass construction of 15 mm dia (Air Vent will be fitted with an isolating ball valve- gunmetal/brass construction )

Supply, Installation, Testing and Commissioning of On-line, Non Chemical water treatment scale preventer system (suitable for 150mm dia. pipe) having flow rate 504 USGPM

Supply & Installation of make up 10000 Ltrs water tank of HDPE construction as required complete in all respects with connection, over flow and drain. Make up connection with float valve, drain valve, incoming line valves and fittings as required all as specified.

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 as

24 gauge (thickness 0.63mm)

22 gauge (thickness 0.8mm)

20 gauge (thickness 1.0mm)

Supply, Fabrication, Installation, Balancing and Commissioning of site fabricated GSS-sheet metal rectangular ducting with supports as per IS 655-2010 complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports ' .as per approved drawings and as required of following gauges:

24 gauge (thickness 0.63mm)

22 gauge (thickness 0.8mm)

20 gauge (thickness 1.0mm)

Supply, Installation, Testing and Commissioning of Gl volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screw linkages, flanges etc. as required.

Supply, fixing of powder-coated extruded aluminium rectangular diffusers complete with black anodized extruded aluminium VCD (wherever specified), nuts, bolts, screws etc. as per approved drawings and as required

Supply air diffusers of required sizes with volume control damper

Return air diffusers of required sizes without volume control damper

Supply & Fixing of powder-coated extruded aluminium continuous type linear return air grilles complete with nuts, bolts, screws etc. as per approved drawings and as required.

Supply, Installation, Testing and Commissioning of powder-coated extruded aluminium louvers with synthetic removable type filter, bird screen & damper for fresh air intake.

Supplying, Installation, Testing and Commissioning of fire cum smoke motorized dampers as required, the blades and frame shall be min. 1.6 mm thick Gl sheet and factory fitted in a sleeve made out of 1.6 mm thick GS Sheet of min. 400 mm long, as & where required, of required sizes Including control wiring. The damper shall be motorized and have spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall have in-built mechanism and not externally mounted. For smoke extraction, necessary control arrangement shall be provided for passive smoke control system in the event of fire signal. The dampers shall be CBRI tested and certified for 90 minute fire rating against flame penetration as per UL standard 555-1995. The assembly shall be complete in all respects as required.

Motorized fire cum smoke damper

Actuator with control panel complete in all respects

Supply and Fixing acoustic lining of supply air duct and plenum with Nitrile Rubber open cell foam of 15 mm thickness with density 140-180 kg/m3 and class 1 fire performance and with anti-microbial protection and should pass fungi resistance as per ASTM 21 and bacterial resistance as per ASTM E-21 using manufacturer's recommended rubber-based adhesive in a blend of solvents.

Supplying and Fixing of 18mm thickness of Thermal insulation on ducts using dosed cell, anti-microbial class 'O’ Nitrile Rubber Elastomeric insulation of density 40-55 kg/m3, Thermal Conductivity of 0,035 W/mK at 20 degree Celsius mean temperature and Mu > or = 10000 to be applied on ducts using manufacturers' recommended rubber-based Adhesive in a blend of solvents, complete as required.

Supply, installation, testing & commissioning of cubical-type floor mounted front operated LT PANEL as per IEC-61439 and CPRI approved for 415V, 3 Phase, 4Wire 50 Hz AC supply system fabricated in compartmentalized design with CRCA sheet steel of 2mm thick for frame work and covers, 3mm thick for gland plates i/c cleaning & surface treatment with 9 tank process before powder coating in approved shade, having specified below Amp. capacity extensible type TPN high conductivity copper strips operationable at temperature of 110 deg celcius ambient of 40 deg celcius( at full load current). Neutral of high conductivity, DMC/ SMC bus-bar supports, with short circuit {with stand 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 sizes with earth bus, Cu. bus-bars, numbering & sign writing, interconnection & control wiring with 2.5 sq.mm 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, cable gland plates in two halves, i/c providing following switch gears: INCOMER:- 01 nos. 630A 4P MCCB (35 kA) lcu=lcs micro-processor based having earth fault protection with 600A 4P ASTS(T) with bridging bars and as per IS/IEC-60947 complete as required.

AHU PANEL - 1 Supply, installation, testing & commissioning of LT Panel all as described in item No 51.00 to 51.20 above and comprising of followings:- INCOMER:- 1 no. 63A 4P MCCB (25 KA) lcu=lcs with thermal magnetic-based releases having earth fault protection with front operating rotary handle and as per IS/IEC-60947 complete as required. METERING & INDICATION:- (a) 1 set of R,Y, B phase. ON indicating lamps (b) 1 no. (0-500V) Voltmeter with built-in VSS with 3 nos. 2A SP MCB (c ) 1 no. (0-100A) Ammeter with ASS with 3 nos. 100/5A CTs. BUS-BAR:- 1 set df 100A TPN 'Copper Bus-Bar with colour-coded PVC Sleeves. OUTGOINGS:- Following Outgoings with Thermal magnetic-based releases with Volt Meter & required CTs, indications, operating handle with door interlock, Spreader links and phase barrier, solid neutral link and accessories as required. (lcs=lcu=16kA) for each. 2 nos. 63A TP MCCB (AHU, Spare. 3 nos. 25A SPN MCB c curve 10 KA. Panel should have space to fix VFD in AHU, indicating lamp & all safety precautions in a Gl enclosure with necessary power and control cable, as required.

AHU PANEL - 2 Supply, installation, testing & commissioning of LT Panel all as described in item No 51.00 to 51.20 above and comprising of followings:- INCOMER:- 1 no. 63A 4P MCCB (25 KA) lcu=lcs with thermal magnetic-based releases having earth fault protection with front operating rotary handle and as per IS/IEC-60947 complete as required. METERING & INDICATION:- (a) 1 set of R,Y, B phase. ON indicating lamps (b) 1 no. (0-500V) Voltmeter with built-in VSS with 3 nos. 2A SP MCB (c ) 1 no. (0-100A) Ammeter with ASS with 3 nos. 100/5A CTs. BUS-BAR:- 1 set of 100A TPN ' Copper Bus-Bar with colour-coded PVC Sleeves. OUTGOINGS:- Following Outgoings with Thermal magnetic-based releases with Volt Meter & required CTs, indications, operating handle with door interlock, Spreader links and phase barrier, solid neutral link and accessories as required. (lcs=lcu=16kA) for each. . . . 2 nos. 40A TP MCCB (AHU, Spare). . 3 nos. 25A SPN MCB c curve 10 KA. . Panel should have space to fix VFD in AHU, indicating lamp & all safety precautions in a Gl enclosure with necessary power and control cable, as required.

AHU PANEL - 3, 4. Supply, installation, testing & commissioning of LT Panel all as described in item No 51.00 to 51.20 above and comprising of followings:- . . INCOMER:- 1 no. 63A 4P MCCB (25 KA) lcu=lcs with thermal magnetic-based releases having earth fault protection with front operating rotary handle and as per IS/IEC-60947 complete as required. METERING & INDICATION:- (a) 1 set of R,Y, B phase. ON indicating lamps (b) 1 no. (0-500V) Voltmeter with built-in VSS with 3 nos. 2A SP MCB (c ) 1 no. (0-100A) Ammeter with ASS with 3 nos. 100/5A CTs. BUS-BAR:- 1 set of 100A TPN 'Copper Bus-Bar with colour-coded PVC Sleeves. OUTGOINGS:- Following Outgoings with Thermal magnetic-based releases with Volt Meter & required CTs, indications, operating handle with door interlock, Spreader links and phase barrier, solid neutral link and accessories as required. (lcs=lcu=16kA) for each. . 2 nos. 40A TP MCCB (AHU, Spare). . .3 nos. 25A SPN MCB c curve 10 KA. . Panel should have space to fix VFD in AHU, indicating lamp & all safety precautions in a Gl enclosure with necessary power and control cable, as required.

Supply, laying, testing and commissioning of following sizes of XLPE insulated PVC sheathed round wire armoured aluminium conductor cable of 1.1 KV grade on cable tray / surface including clamps, ties etc. as required & directed

3.5 core x 70 sq. mm.

3 core x 16 sq. mm

3.5 core x 25 sq. mm

3 core x 10 sq. mm

3 core x 6 sq. mm

Supplying and making end terminations with brass compression gland and aluminium lugs for following sizes of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.

3.5 core x 70sq.mm

3 core x 16 sq. mm

3.5 core x 25 sq. mm

3 core x 10 sq. mm

3 core x 6 sq. mm

Providing & fixing of control wiring / power cabling with 4Core x 1.5 Sqmm sizes of copper conductor armoured cable, making connections etc. as required

Supply, fixing, installation and commissioning of earthing complete with galvanised steel earth plate 600 x 600 x 6.0 mm thick buried directly in ground (earth pit not less than 2.25m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to Gl strip of size 32x6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel connected to earthing test point including charcoal dust and common salt; necessary excavation in soft loose soil, returning, filling in and removal of surplus soil up to a distance of 50 m; PCC pit in cement concrete 1:3:6 type Cl using 20 mm grade stone aggregate; precast 40 mm pit cover cast in RCC 1:2:4 type B-l (using 20 mm grade stone aggregate) reinforced with 8 mm dia. TMT bar, 75 mm c/c both ways, MS handle 2 mm dia., PGI funnel, wire mesh and Gl watering pipe of 20 mm bore (light grade) and earth lead protection pipe of 40 mm pipe (light grade) Including earthwork complete; all as specified and directed by the engineer-ln-charge including testing on completion.

Supplying and fixing 32 x 6 mm Gl strip for earthing

Supply, fabricating and installing of following sizes of hot dip galvanized ladder- type cable trays including horizontal vertical bends, reducers, tees, cross members and other accessories as required and duly installed from the ceiling / side walls with suitable sizes of channels / angles with anti corrosion painting, full threaded Gl rods etc. complete as required & approved by the engineer-in-charge.

150 mm (50mm x 1.6mm thick)

300 mm 150mm x 2.0mm thick)

600 mm (75 mm x 2.0mm thick)

SCROLL CHILLER - WATER-COOLED. (2 working + 1 standby) Supply, Installation, Testing and Commissioning of water-cooled scroll chiller with multicompressors, comprising of Hermetic compressors, DX Evaporator, shell & tube condenser, suitable expansion device, suitable for operation on R-407C refrigerant and complete in all respects, as required of 29 TR actual cooling capacity. . . Water Temperature IN - 54 deg F Water Temperature OUT - 44 deg F Fouling Factor - 0.0005 FPS. Condenser: Water Temperature IN - 90 deg F Water Temperature OUT - 97.5 deg F Fouling Factor - 0.001 FPS. Water flow rate through Chiller - 70GPM Water flow rate through Condenser - 116 GPM. . Note: Next higher capacity of chiller can be supplied within overall cost quoted Note: Suitable arrangement of platform and connected accessories for installing chiller unit with anti-vibration pads and as per OEM instructions.

PUMPS Supply, Installation, Testing and Commissioning of end suction centrifugal Chilled water pump set capable of delivering 70 USGPM of water against 30 mtr head comprising of the following and complete as required. (a) 1 No. - Pump with bronze impeller, S.S Shaft, CED Coated Cl body and mechanical. (b) 1 No. suitable HP, TEFC squirrel cage induction motor (IE-2) with class 'F' insulation, 2900/1450 RPM synchronous speed, operating at 415 ±10% Volts, 3 phase, 50 Hz A.C. supply; Minimum Efficiency 75%. (c ) Duly insulated with 19 mm thick closed cell nitrile rubber insulation padded with aluminium sheets of 24G thickness and properly clamped to pump In two semi-circular sections as required. . . . (d) Lot-Mounting frame work with anti vibration pads.

Supply, Installation, Testing and Commissioning of end suction centrifugal Condenser water pump set capable of delivering 116 USGPM of water against 26 mtrWG head, each comprising of the following and complete as required. (a) 1 No. - Pump with bronze impeller, S.S Shaft, Cl body and mechanical seal. (b) 1 No. 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%. (c ) Lot-Mounting frame work with anti vibration pads. Note for sr no 59 & 60 Head calculations shall be submitted by contractor for approval of GE. No price adjustment shall be done for variation of plus / minus 5 meters, (b) Discharge calculations shall be submitted by contractor for approval of GE. No price adjustment shall be done for variation of plus / minus ten percent.

COOLING TOWER. . Supply, Installation, Testing and Commissioning of Induced draft counter flow, vertical discharge-type FRP Cooling tower of 1.09 lacs kCal/hr heat rejection 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 basin or with spray nozzles or having self rotating sprinklers. Cooling tower shall be provided with statically and dynamically balanced one/two nos. anti-corrosion treated axial flow type fan - direct driven or driven through special bevelled 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 suitably inspected hot-dipped galvanized ladder, access arrangement for cooling tower interior, anti vibration mountings etc. complete as required. The unit shall be instate including testing on completion by Engineer in charge, flexible duct connector etc., complete as per following capacities. (a) Water Leaving Temperature : 90 deg F. . (b) Water Entering Temperature : 97.5 deg F. . (c ) Water Flow Rate : 116 USGPM. . (d) Ambient Wet Bulb Temperature : 83 deg F. . . Note: Suitable arrangement of platform and connected accessories for mounting cooling tower and ensure noise restriction to adjoining buildings.

AIR HANDLING UNITS. . Supply, Installation, Testing and Commissioning of factory-built Floor standing double skin type air handling units with thermal break profile made of 25 mm thick panels consisting of pre-plasticized G.l. casing of thickness 0.8 mm outside and 0.8 mm thick Gl 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 65 mmWG static pressure. The unit shall consist of 4/6 rows deep of cooling coil and 2 row deep heating coil section with cooling coil as per requirements (not limited to listed below) with aluminium finned(12FPI) copper tubes 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, Fine filters having efficiency 99% down to 5 micron, VFD operated motor (Flame-proof) 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 steel drain pan, necessary vibration isolation arrangement, flexible duct connector etc., complete blower sections as per following capacities: (a) 20 G SS Drain pan, drain connection. (b) Fine filter should be located after the fan in the direction of air flow. (c) The AHU should have space for humidifier. (d) VFD panel with VFD (quantified separately), necessary control arrangement to switch off the fan in case of fire, indicating lamp & all safety precautions in a flame-proof powder-coated Gl enclosure with necessary power and control cable as required.

5556 CFM/13.54 TR

6047 CFM / 14.77 TR

5856 CFM/13.99 TR

6243 CFM/15.16 TR

HOT WATER GENERATOR : HANGAR ANNEXE Supply, install, test and commission electric hot water generator of 33 KW capactiy to suit following conditions with electric panel with control and relay to switch OFF and ON electric heater and all as specified a) Flow rate : 8.43 US GPM b) Inlet temperature of water : 40 deg celcius c) Outlet temperature of water: 60 deg celcius d) Working pressure: 100 PSIG Generator shall be fitted with step controller, pressure gauge with ball valve, pressure relief valve, thermometer, low level cut out and auto vent. Generator shall be provided with 50mm thick resin bonded fiber glass wool cladded with 0.63mm thick aluminium sheet on MS frame welded to generator body

CENTRIFUGAL MONO BLOCK PUMP FOR HOT WATER GENERATOR : HANGAR ANNEXE Supply, install, test and commission centrifugal mono block pump for pumping hot water from hot water generator to heating coil in AHU with energy efficient motor conforming to IS 12615. The pump shall be suitable for the given duty point. Each pump shall be of 100% capacity. (Out of two pumps one will be working and one will be standby). The pump shall be insulated with closed cell useful upto 220 deg F elastomeric insulation of 25mm thick with wrapped water proof fabric cloth all specified and directed by engineer in charge. a) water quantity : 40 LPM b) Static head: 25m c)RPM of motor: 1450 d) Impeller: Bronze e) Shaft: High tensile steel f) Pump/motor body : CI g) Seal: Mechanical h) Motor: suitable HP, squirrel cage SPDP having class B insulation j) Starter: star delta/ DOL starter k) Base frame: MS fabricated l) Foundation: RCC/PCC as per OEM recommendation.

ULTRASONIC HUMIDIFIER. . . Supplying, Installing, Testing and Commissioning of 3.0 LPH Ultrasonic Humidifier, 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.

VARIABLE FREQUENCY DRIVES. . . Supply, Installation, Testing & Commissioning of 3.7 KW HVAC dedicated VFDs suitable for the following fan motor capacities (The integration of the VFD with fan motor is included in this item) with IP 20 enclosures with Mains disconnect suitable to fit- out in electrical panel (flame-proof), having: . Built-in dual 5% impedance DC link reactor (harmonic filters) on the positive and negative rails of the DC bus of the VFD. Built-in EMC Filters (electromagnetic compatibility filters) for VFDs for restriction of conducted emissions to comply with IEC61800: 3 (unrestricted distribution):2004 Category C 1 for 50 meters of cable length between motor & Three-feedback -PID (proportional-integrated-derivative) controller having capability to simultaneously accept 3 feedback signals from temperature sensor, pressure sensors or RH sensor for process optimization and accordingly regulate

INSULATED CHILLED WATER PIPING. . . Supplying, Laying/ Fixing, Testing and Commissioning of following nominal sizes of chilled/hot water piping (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with 25 mm thick closed cell class 'O' Nitrile Rubber elastomeric insulation of density 40-55 kg per cubic metre, thermal conductivity of 0.037 W/mK at 20 degree Celsius mean temp, and minimum water diffusion resistance of 7000 using manufacturer's recommended rubber-based adhesive in a blend of solvents. Nitrile rubber will be covered with a three layered non-metallic cladding of 350 micron thickness and of metallic finish having aluminium as an intermediate layer and UV. protection, as per manufacturer's instructions, complete as required. Note: The pipes of sizes 150mm & below shall be M.S. 'C' 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 6.35mm thick M.S. Sheet for pipes up to 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia. and above.

80 mm dia. (25 mm thick insulation)

65 mm dia. (25 mm thick insulation)

50 mm dia. (25 mm thick insulation)

40 mm dia. (25 mm thick insulation)

32 mm dia. (19 mm thick insulation)

25 mm dia. (19 mm thick insulation)

S& F butterfly valve (MANUAL) with CI body SS Disc, Nitrile Rubber seal & O- Ring PN 1.6 pressure rating for chilled/hot water circulation as required. Note: Wherever butterfly valve of suitable size is not availabe, globe valve may be provided.

65 mm dia.

50 mm dia.

40 mm dia.

32 mm dia.

S& F balancing valve with built-in measuring facility of CI body flanged construction with EPDM coated disc with long pitch with protruded out pipe insulation & PN 1.6 pressure rating for chilled/hot water circulation as required.

65 mm dia.

50 mm dia.

40 mm dia.

32 mm dia.

25 mm dia.

S & F 65 mm dia non - return valve with dual plates of CI body SS plates vulcanized NBR seal flanged end & PN 1.6 pressure rating for chilled/hot water circulation Including insulation as required.

S & F 40 mm dia non - return valve with dual plates of CI body SS plates vulcanized NBR seal flanged end & PN 1.6 pressure rating for chilled/hot water circulation Including insulation as required.

S & F Y - strainer of Ductile Cl/MS Body flanged ends with stainless steel strainer for chilled/hot water circulation including insulation as required.

65 mm dia.

50 mm dia.

40 mm dia.

32 mm dia.

S& F Three-way Motorised Valves with modulating motor in cooling/heating coil of air handling units as required of following sizes.

36 USGPM

34 USGPM

3 USGPM

S&F FLOW SWITCH of brass/polymer construction (suitable for 65mm dia. pipe) as per requirement.

S&F FLOW SWITCH of brass/polymer construction (suitable for 40mm dia. pipe) as per requirement.

S&F Industrial type pressure gauges with gun-metal / brass construction isolating valve complete with all accessories as required.

S&F Industrial type mercury in glass industrial type thermometers with gun-metal / brass construction isolating valve complete with all accessories as required.

S&F Auto Air - purge valve of brass construction of 15 mm dia (Air Vent will be fitted with an isolating ball valve - gunmetal / brass construction)

FLEXIBLE CONNECTIONS. . . Supply, Installation, Testing and Commissioning of 65 mm dia flexible connector for following dia. pipe having PN 1.6 working pressure with anti-vacuum rings complete with flanges, nuts, bolts, seal etc.to be installed at chiller suction and discharge.

FLEXIBLE CONNECTIONS. . . Supply, Installation, Testing and Commissioning of 40 mm dia flexible connector for following dia. pipe having PN 1.6 working pressure with anti-vacuum rings complete with flanges, nuts, bolts, seal etc.to be installed at chiller suction and discharge.

DRAIN WATER PIPES Supplying, Fixing, Testing and Commissioning of G.l. medium class water pipes as per IS 1239/1979 of following sizes along with necessary clamps, fittings such as bends, tees etc. adequately supported and duly insulated with 9 mm thick closed cell elastomeric nitrile rubber of class 'O' insulation applied by adhesive conforming to standard specifications complete with type3, gradel 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.

40 mm dia.

50 mm dia.

EXPANSION TANK

Supply, Installation, Testing of open-type expansion tank of MS construction made of 6 mm thick mild steel sheet duly insulated with XLPE insulation applied by adhesive conforming to standard specifications and finally applying 0.63 mm thick aluminium sheet cladding complete with type3, gradel roofing felt strip (as per 15:1322 as amended up to date) at joints and repairing of damage to building etc. as required complete in all respects, with connection over flow and drain 40 mm dia. Make up tank (500 Itr) with make up connection with float valve, drain valve and incoming line valves, vent connections, valves and fittings as required.

800 X 800 X 800 mm(high)

CONDENSER WATER PIPE

Supplying, Fixing, Testing and Commissioning of condenser water pipes of following sizes and materials along with necessary clamps, vibration-isolators and fittings such as bends, tees etc. but excluding strainers and gauges etc. adequately supported on rigid supports; including painting media valves, minor holes & works making of good the damage done, welded black steel pipe as IS:3589 walls etc. as required. Note: 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 up to 350 mm dia. & from minimum 7mm thick M.S. sheet for pipes of 400 mm dia. & above.

100 mm dia.

80 mm dia.

50 mm dia.

32 mm dia.

S & F BUTTERFLY VALVE (MANUAL) with Cast steel body SS Disc, Buna-N integrally moulded seal & O- Ring. The valve shall be suitable for PN 1.6 working pressure for condenser water circulation as required.

100 mm dia.

80 mm dia.

50 mm dia.

S & F BALANCING VALVE with BUILT-IN MEASURING FACILITY of Gun-metal construction up to 50 mm dia & cast steel / ductile iron body up to 300 mm dia as required having flanged construction with SS disc having long pitch with protruded out pipe insulation & suitable for PN 1.6 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 primer 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.

80 mm dia.

S & F non - return valve with dual plates of cast steel construction, SS plates. Body lining-BUNA -N, flanged end construction, suitable for PN 1.6 working pressure for condenser water circulation as required.

80 mm dia.

S& F Y - strainer of cast steel body, flanged ends with stainless steel strainer, suitable for PN 1.6 working pressure for condenser water circulation as required.

80 mm dia.

S & F ball valve of brass construction, flanged end type for drain connection as required.

32 mm dia.

FLEXIBLE CONNECTIONS

Supply, Installation, Testing and Commissioning of flexible connector for following dia. pipe having PN 1.6 working pressure with anti-vacuum rings complete with flanges, nuts, bolts, seal etc.to be installed at chiller suction and discharge.

80 mm dia.

S&F FLOW SWITCH of brass / polymer construction (suitable for 80mm dia pipe) as per requirement.

S&F Industrial type pressure gauges with gun-metal / brass conduction isolating valve complete with all accessories as required.

S&F Industrial type mercury in glass industrial type thermometers with gun-metal / brass conduction isolation valve complete with all accessories as required.

S&F Auto Air - purge valve of brass construction of 15 mm dia (Air Vent will be fitted with an Isolating ball valve - gun-metal / brass construction)

ON-LINE SCALE PREVENTER

Supply, Installation, Testing and Commissioning of On-line, non-chemical water treatment scale preventer system (suitable for 100mm dia. pipe) having flow rate 232 USGPM

MAKE UP WATER TANK

Supply & Installation of make up water tank of HDPE construction as required complete in all respects with connection, over flow and drain. Make up connection with float valve, drain valve, incoming line valves and fittings as required.

DUCTS

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 gauges:

24 gauge (thickness 0.63mm

22 gauge (thickness 0.8mm)

20 gauge thickness 1.0mm

Supply, Fabrication, Installation, Balancing and Commissioning of site 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 gauges:

24 gauge thickness 0.63mm

22 gauge thickness 0.8mm

20 gauge thickness 1.0mm)

Supply, Installation, Testing and Commissioning of Gl volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screw linkages, flanges etc, as required.

Supply air grille of required sizes with volume control damper

Return air grille of required sizes without volume control damper

Supply, Installation, Testing and Commissioning of powder-coated extruded aluminium louvers with synthetic removable type filter, bird screen & damper for fresh air.

Supply, Installation, Testing and Commissioning of fire cum smoke motorized dampers as required, the blades and frame shall be min. 1.6 mm thick 61 sheet and factory-fitted in a sleeve made out of 1.6 mm thick GS Sheet of min. 400 mm long, 5. / where required, of required sizes including control wiring. The damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall have in-built mechanism and not be externally mounted. For smoke extraction, necessary control arrangement shall be provided for passive smoke control system in the event of fire signal. The dampers shall be CBRI tested and certified for 90 minute fire rating against flame penetration as per UL standard 555-1995. The assembly shall be complete in all respects, as required.

Motorized fire cum smoke damper

Actuator with control panel complete in all respects

Supply and Fixing acoustic lining of supply air duct and plenum with Nitrile Rubber open cell foam of 15 mm thickness with density 140-180 kg/m3 and class 1 fire performance and with anti-microbial protection and should pass fungi resistance as per ASTM 21 and bacterial resistance as per ASTM E-21 using manufacturer's recommended rubber-based adhesive in a blend of solvents, complete as required.

Supplying and Fixing of 18 mm thickness of Thermal Insulation on ducts using closed cell, anti-microbial class 'O' Nitrile Rubber Elastomeric insulation of density 40-55 kg/m3, Thermal Conductivity of 0.035 W/mK at 20 degree Celsius mean temperature and Mu > or = 10000 to be applied on ducts using manufacturers' recommended rubber-based adhesive in a blend of solvents, complete as required.

Supply, installation, testing & commissioning of cubical-type floor-mounted front- operated LT PANEL as per IEC-61439 having 415V, 3-phase, 4 Wire 50 Hz AC supply system fabricated in compartmentalized design with CRCA sheet steel of 2mm thickness for frame work and covers, 3mm thickness for gland plates i/c cleaning & surface treatment with 9 tank process before powder coating in approved shade, having specified below Amp. capacity extensible-type TPN high conducitvity copper strips operationable at temp of 110 deg C ambient of 40 deg C (at full load current) 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 6mm at the rear with 2 nos. earth stud, solid connections from main bus bar to switch gears with required sizes of earth bus, Al. bus bars, numbering & sign writing, interconnection & control wiring with 2.5 sq.mm 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, cable gland plates in two halves, i/c providing following switch gears:-

HVAC PANEL - PLANT ROOM Supply, installation, testing & commissioning of LT Panel all as described in item No 102 above and comprising of followings:-

AHU PANEL -.1, 2, 3, 4 Supply, installation, testing & commissioning of LT Panel all as described in item No 102 above and comprising of followings:-

INCOMER:- 1 no. 63A 4P MCCB (25 kA) lcu=lcs with thermal magnetic-based releases having earth fault protection with front operating rotary handle and as per IS/IEC-60947 complete as directed METERING & INDICATION:- (a) 1 set of R. Y. B phase ON indicating lamps (b) 1 no. (0-500 V) Voltmeter with built-in VSS with 3 nos. 2A SP MCB (c ) 1 no. (0-100 A) Ammeter with ASS with 3 nos. 100/5A CTs. . BUS-BAR:- 1 set of 100ATPN Copper Bus-Bar with colour-coded PVC sleeves OUTGOINGS:- Following Outgoings with thermal magnetic-based releases with Volt Meter & required CT's, indications, operating handle with door interlock, Spreader links and phase barrier, solid neutral link and accessories as required. (lcs=lcu=16kA) for 2 nos. 40ATP MCCB [AHU. spare) 3 nos. 25A SPN MCB c curve 10 kA Panel should have space to fix VFD in AHU, indicating lamp & all safety precautions in a Gl enclosure with necessary power and control cable, as required

Supplying, laying, testing and commissioning of following sizes of XLPE insulated PVC sheathed round wire armoured aluminium conductor cable of 1.1 KV grade on existing cable tray / surface including clamps, ties etc. as required & directed

3.5 core x 35 Sqmm.

3.5 core x 25 Sqmm.

3 core x 10 Sqmm.

3core x 6 Sqmm.

Supplying and making end terminations with brass compression gland and aluminium lugs for following sizes of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV t rade as required & Directed

3.5 core x 35 sqmm.

3.5 core x 25 sq.mm.

3 core x 10 sq.mm.

3 core x 6 sq.mm.

Supplying & fixing of control wiring / power cabling with 4 core 1.5 Sqmm sizes of copper conductor armoured cable, making connections etc. as required.

Supply, fixing, installation and commissioning of earthing complete with galvanised steel earth plate 600 x 600 x 6.0 mm thick buried directly in ground (earth pit not less than 2.2 m deep below ground level) with top edge of the plate not less than 1.5 m below normal ground level, connected to Gl strip of size 32x6 mm by means of bolts, nuts, check nuts and washers of galvanised iron or steel connected to earthing test point including charcoal dust and common salt; necessary excavation in soft loose soil, returning, filling in and removal of surplus soil up to a distance of 50 m ; PCC pit in cement concrete 1:3:6 type Cl using 20 mm grade stone aggregate; precast 40 mm pit cover cast in RCC 1:2:4 type B-l(using 20 mm grade stone aggregate! reinforced with 8 mm dia. TMT bar, 75 mm c/c both ways, MS handle 12 mm dia, PGI funnel, wire mesh, and Gl watering pipe of 20 mm bore (light grade) and earth lead protection pipe of 40 mm pipe (light grade) including earthwork complete; all as specified and directed by the engineer-in-charge

Supplying and fixing 32X6 mm Gl strip for earthing

Supplying, fabricating and installing of following sizes of hot dip galvanized ladder type cable trays including horizontal vertical bends, reducers, tees, cross members and other accessories as required and duly installed from the ceiling/side walls with suitable sizes of channels/angles with anti-corrosion painting, full threaded Gl rods etc. complete as required & approved by the engineer-ln-charge.

150 mm x 50mm x 1.6mm thick

300 mm x50mm x 2.0mm thick)

600 mm x 75mm x 2.0mm thick)

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth for foundation laying of cables etc and getting out in soft/loose soil all as specified and directed

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick complete all as specified and directed

Removing surplus excavated soil to a distance not exc.50 m and depositing at a place n.exc. 1.5m above the starting points complete all as specified and directed

M&L river sand as in sand cushioning to under ground cable 8cm below and 15 cm above the cable including punning down the sand complete all as directed

M&L Brick protection layer with one brick wide using sub class 'B' bricks laid flat across the cable complete all as specified

Note for MIPAS & OTS & Hangar Annexe Area :- (a) Any minor modification required for successful operation of plant are deemed to be included in overall rates quoted. (b) Complete plant shall be run for a period of four months or till completion of first PHASE TWO TEST whichever is later within overall cost Quoted by contractor (c) Layout drawing of AC Plants and AHU alongwith plant & machinery orientations. (d) AHU room along with duct layout. (e) Schematic drawings of pipelines etc. (f) For all equipments/pipes, supporting platforms shall be included in the quoted rate.

SHRI RAMSONS PROJECTS CORPORATION

Blue Star Limited

AP BUILDERS

CHOUDHARY ENTERPRISES

M/S N.K BUILDERS

Intrernational Engineers

Pneumatic Engineers Pvt. Ltd.

BRITE INDUSTRIES

SVC PROJECTS PVT. LTD

NAFREF ENGINEERS PVT LTD