PROVN OF AIR CONDITIONING TO UNDERGROUND BASE OPS INCLUDING TWCC AT AF STN PANAGARH

Amount

Design, Supply, Installation, Testing and Commissioning of Central AC plant with the following parameters and specifications, complete all as specified and as directed.

Design, Supply, Installation, Testing and Commissioning of water-cooled Scroll Chiller of minimum cooling capacity 45 TR x 2 =90 TR (Working) and 45 TR x 1 (Standby) with multi compressors, comprising of Hermetic compressors, DX Evaporator, shell & tube condenser, suitable expansion device, suitable for operation on R-407 C refrigerant and complete in all respects as required for 50% -2 Nos working + 50% x 1 No standby of actual Cooling capacity. Water Temperature IN - 54.0 deg F WaterTemperature OUT - 44.0 deg F Fouling Factor - 0.0005 FPS Condenser: WaterTemperature lN - 93 deg F Water Temperature OUT- 100.5 deg F Fouling Factor - 0.001 FPS Water flow rate through Chiller - 108 USGPM Water flow rate through Condenser - 180 USGPM

Supply, Installation, Testing and Commissioning of end-suction centrifugal Chilled water pump capable of delivering 108 USGPM of water against 20 mtr head comprising of the following and complete as required ( 2 working + 1 standby)-03 Nos. (a) 1 No - Pump with bronze impeller, SS Shaft, CED Coated CI 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 AC supply, Minimum Efficiency 75% (c) Duly insulated with 19mm thick closed cell nitrllerubber insulation cladded with aluminium sheets of 24Wwg thick/ SS and properly damped to pump in two semi circular sections as required (d) Lot-Mounting framework with anti-vibration pads

Supply, Installation, Testing and Commissioning of end suction centrifugal Condenser water pump set capable of delivering180 USGPM of water against 20mtr WG head each comprising of the followlng and complete as required ( 2 working + 1 standby)-03 Nos. (a) 1 No- Pump with bronze Impeller, SS Shaft, Cl body and mechanlcal seal (b) 1 No suitable HP, THC squirrel cage induction motor (IE-2) with class 'F' lnsulation, 2900/1450 RPM synchronous speed, operating on 415 ± 10% Volts,3 phase, 50 Hz A.C supply, Minimum Efflciency 75" (c) Lot-Mounting framework with anti-vibration pads

Supply, Installation, Testing and Commissioning of Monoblock-type Hot water pump for hot water recirculation, pump set capable of delivering 86 LPM of water against 16 mtr head each comprising of the following and complete as required ( 2 working + 1 standby)-03 Nos. (a) 1 No- Pump with bronze impeller, SS Shaft, Cl body and mechanical Seal (b) 1 No suitable HP, THC squirrel cage induction motor (IE-2) with class 'F'insulation, 2900/1450 RPM synchronous speed, operating on 415 ± 10% Volts,3 phase 50 Hz AC supply, Minimum Efflciency 75" (c) Lot-Mounting framework with anti-vibration pads

Supply, Installation, Testing and Commissioning of electrlcally operated Hot Water Generator of following actual capacity, made of 8 mm MS sheet and dish end made of 10mm MS having 16 gauge stainless steel lining with heaters arranged in banksand Controller and Thermostat so that required quantity 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-release valve, low level cut-out, Autovent sight glass, as per specifications complete as required. (Degree of protection: IP-52 with IS-2147) ( 1 working + 1 standby)-02 Nos. Heating capacity: 30 kW Water in temperature : 45 deg C Water out temperature : 50 deg C Flow Rate: 86 LPM

Supply. Installation, Testing and Commissioning of Ultrasonic Humidifier and dehumidifier to achieve inside design conditions as mentioned in Annexure 'A' (AC user Design Data Sheet) on Page No 20 (R) of Tender Documents, of capacity as per design, complete with stainless steel tank with float valve, water make-up, over flow and drain connections. The transducer shall be interlocked with float switch, supplied with humidifier and humidistat with necessary supports by MS structural steel and if required by hangers, clamp supports from walls, floors and ceiling with painting with two coats of paint over one coat of primer on MS support work. (a) 11 :LPH-01 No (b) 6.5 LPH-01 No

Supply, lnstallatlon, Testing and Commisionlng of Induced draft counter flow, vertical drift type FRP Coollng tower of capacity @ 1.70 lacs kCal/hr heat rejection capaclty with ultra-violet treated durable & hlghly efflclent PVC fittings with Integral louvers and drift elimlnators, open pan suitable for water distrlbution complete with hot FRP water basin. The hot water shall be distributed to fill in each cell via open-type gravity basin or with spray nozzles or having self'-floatlng sprinlder Cooling tower shall be provided with statlcally and dynamically balanced one No anti-corrosion treated axlal flow type fan direct-driven or driven through speclal bevelled reduction gear box with TEFC induction flame-proof motor with IP-6S protection, IE-2 suction 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 lnstalled at proper foundation as per requirements. Water Leaving Temperature : 93 deg F Water Entering Temperature : 100.5 deg F Water Flow Rate : 180 USGPM Ambient Wet Bulb Temperature : 86 deg F Cooling Tower -02 Nos

Supply, Installation, Testing and Commissioning of factory-built Floor standing double-skIn type air handllng unit with thermal break profile made of 25 mm thick panels consisting of pre-plasticized GI sheet caslng of thickness 0.8mm outside and 0.8 mm thick GI sheet inside layer with CFC-FREE PU insulation of density 42(±5%) kg/m3 factory-Injected between them by injection moulding machine, complete with direct-driven plug fan of 65mm WG static pressure. The unit shall consist of 6 rows deep cooling coil & 2 rows deep heating coil as per requirements (not limited to listed below) with aluminium finned (12FPI) copper tubes (tube thickness not less than 0.41mm), 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 opearated motor (Flame proof) and panel suitable for operation at 415 ±10% volts, 50 Hz. 3 phase, AC 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 GSS Drain pan, drain connection. (b) Fine filter should be located after the fan in the direction of alr flow. (c) The AHU should have space for Humidifier and dehumidifier to achieve inside design conditions as mentioned in Annexure 'A' (AC user Design Data Sheet) on Page No 20 (R) of Tender Documents. (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 GI enclosure with necessary power and control cable as required. (a) 21632 CFM / SS.54 TR-01 No (b) 12424 CFM / 34.91 TR -01 No

Supply, Installation, Testing & Commissioning of HVAC dedicated VFDs suitable for each AHU, VCD's fan motor capacities (The Integration of the VFD with fan motor is included In this Item) with IP-55 enclosures with Mains disconnect suitable to fit-out In electrlcal 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 IEC 61800: 3 (unrestricted distribution):2004 Category C-1 for 50 meters of cable length between motor & VFD (c) Three-feedback PID (proportional-integrated-derivative) controller having capability to simultaneously accept 3 f'eedback signals from temperature sensor, pressure sensors or RH sensor for process optimization and accordingly regulate the speed of the fans. (a) 15.0 kW-01 set (b) 7.5 kW-01 set

Supply, Laying/fixing, Testing and Commlsslonlng of suitable 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' nltrlle-rubber elastomeric insulation of density 40- 60 kg/m3, thermal conductivity of 0.035 W/mK at '0' deg celsius mean temp and ɥ≥ 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 respects. Note The pipes of sizes 150mm & below shall be MS '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 MS sheet for pipes upto 350 mm dia and from minimum 7mm thick MS sheet for pipes of 400 mm dla and above. (a) 100 mm dia. (32 mm thick insulation)-185 RM (b) 80 mm dia. (25 mm thick insulation)-125 RM (c) 40 mm dia. (25mm thick insulation)- 165 RM (d)32 mm dia. (25 mm thick Insulation)-70 RM (e) 25 mm dia. (25 mm thick insulation)-55 RM (f) 125mm dia (50mm thick) -150 RM

Supply, Fixing, Testing and Commissioning of followlng valves, strainers, gauges in the chilled water plumbing duly insulated to the same speciflcations as the connected piping and adequately supported as required :- (a) BUTTERFLY VALVE 80 mm dia (MANUAL) with CI body SS Disc, nitrite rubber seal & O- Ring PN16 pressure rating for chilled water circulation as required-16 Nos (b) BALL VALVE set with and without Y-strainer with bronze body, flanged end type for chilled water circulation as specified. (i) 40mm dia -03 Nos (ii) 32mm dia - 01 No (iii) 25mm dia- 01 No (c) 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 16 pressure ratlng for chilled water circulation as required. (i) 80mm dia -5 Nos (ii)40mm dia- 01 No (iii)32mm dia- 01 No (iv)25mm dia- 01 Nos (d) NON - RETURN VALVE with dual plated CI body SS plates vulcanized NBR- seal flanged end & PN16 pressure rating for chilled water circulation including insulation as required (i) 80mm dia - 03 Nos (ii) 40mm dia- 02 Nos (e) Y- STRAINER 80mm dia of ductile Cl Body flanged ends with stainless-steel strainer for chilled water circulation including insulatlon as required-05 Nos

Item No 1.11 Contd (f) Three-way Motorized Valves with modulating motor In cooling/heating coil of air handling units as required of following sizes :- (i) 134 USGPM -01 No (ii) 84 USGPM -01 No (iii) 12 USGPM -01 No (iv) 09 USGPM -01 No (g) FLOW SWITCH 80mm dia of brass/polymer construction, as per requirement-03 Nos (h) Industrial-type pressure gauge glyserine filled of rated diameter with gun-metal / brass construction and isolating valve complete with all accessories as required- 26 Nos (j) Industrial-type mercury in glass industrial-type thermometer with gun-metal / brass construction isolating valve complete with all accessories as required-16 Nos (k) Digital thermometers with probe suitable for binder test point application with brass construction, nitrite sealing bushes, max. operating pressure of 16 bar & max working temperature of 110 deg. celsius-01 Set (l) Dial-type pressure gauge with probe suitable for binder test point application with brass construction, nitrite sealing bushes, max operating pressure of 16 bar & max working temperature of 110 deg celsius-01 No (m) 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) -10 Nos

Supply, Installation, Testing and Commissioning of flexible Connector for following dia pipe having PN-16 working pressure with anti-vacuum rings complete with flanges, nuts, bolts, seal etc to be lnstalled at chiller suction and discharge. (a) 80mm dia -12 Nos (b) 40mm dia -06 Nos

Supplying, Fixing, Testing and Commssionlng of GI Pipe medium class water pipes 40mm bore as per IS 1239/1979 along with neccesary clamps, fittings such as bends, tees etc adequately supported and duly Insulated with 13 mm thick closed-cell elastomeric nltrile rubber of class 'O' Insulation applied by adhesive conforming to standard specifications complete with type 3, grade-I roofing fertstrlp (as per IS:1322 as amended up to date) at joints and repairing of damage to building etc as required complete In all respects-20 RM

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 cladding with 0.63 mm thick aluminium sheet complete with type 3, grade -I roofing feltstrlp (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 dla. (a) 500 X 500 X 500 (HIGH)- 02 Set

Supply & Installation of make up water tank of 500 ltr capacity HDPE construction as required complete In all respect with connection, over flow and drain. Make up connection with float valve, drain valve, incoming line valves and fittings as required. (a) 500 Ltr -02 Set

Supply, 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 good the damage done to be welded black steel pipe as IS:3589, walls etc as required. Note : The pipes of sizes 150mm & below (lengthof pipe shall be as per requirement) shall be MS 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 MS sheet for pipes upto 350 mm dia & from minimum 7mm thick MS sheet for pipes of 400 mm dla & above (a) 125mm dia -60 Mtr (b) 125mm dia -15 Mtr (c) 125mm dia -15 Mtr (d) 125mm dia -20 Mtr (e) 125mm dia -25 Mtr

Supply. Fixing, Testing ahd Commissioning of following valves, gauges and strainers for condenser water circulation as required:- (a) BUTTERFLY VALVE (MANUAL) with cast steel body SS Disc, Buna-N integrally moulded seal & 0-Ring. The valve shall be suitable for PN-16 working pressure for condense water circulation as reqd. (i) 125mm dia -03 No (ii)100mm dia -16 Nos (b) BALANCING VALVE with BUILT-IN MEASURING FACILITY of gun-metal construction upto 300 mm dla & cast-steel/ ductile iron body upto 300 mm dia as required having flanged construction with SS 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 in-organic ethyl self curing zinc silicate premier at 75 microns& single coat of super-high-build epoxy MIO coatlng, cured with poly amide hardener at 150 microns & finally two coats of high-build-gloss aliphatic acrylic Poly-urethane at 50 micron dry film thickness-03 Nos (c) NON- RETURN VALVE of 100 mm dia with dual plates 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-03 Nos (d) Y- STRAINER of 100mm dia of cast steel body, flanged ends with stailess steel strainer, suitable for PN 16 working pressure for condenser water circulation as required-03 Nos (e) BALL VALVE of brass construion, flanged end type for drain connection & make up water connection as required. (i) 40mm dia -02 Set (ii) 32mm dia -02 Set

Supply, Installation, Testing and Commissioning of Flexible Connector 100mm dia pipe having PN-16 working pressure with anti-vacuum rings complete with flanges, nuts, bolts, seal etc to be installed at condenser suction and discharge-12 Nos

FLOW SWITCH of brass/polymer construction suitable for 100 mm dia pipe complete-03 Nos.

Industrial-type Pressure Gauge with gun-metal/bráss construction isolating valve complete with all accessories as required-12 Nos

Industrial-type mercury in glass industrial-type Thermometer with gun-metal / brass construction isolating valve complete with all accessories as required-06 Nos

Auto Air purge valve of brass construction of 15 mm dia (Air Vent will be ftted with an isolating ball valve gun metal/brass construction)-06 Nos.

Supply, Installation, Testing and commissioning of On-line, non-chemical water treatment scale preventer system (suitable for 125 mm dia pipe) having ftow rate of 360 USGPM-01 Set

Supply & Installation of make-up water tank 10000 ltrs of HDPE Construction as required complete in all respects with connection, over flow and drain. Make up connection with fioat valve, drain valve, incoming line valves and fittings as required-02 Nos

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 required. (a) 24 gauge (thickness 0.63 mm) -400 Sqm (b) 22 gauge (thickness 0.8 mm) -210 Sqm (c) 20 gauge (thickness 1.0 mm) -90 Sqm

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: (a) 24 gauge (thickness 0.63 mm)-70 Sqm (b) 22 gauge (thickness 0.8 mm) -50 Sqm (c) 20 gauge (thickness 1.0 mm) -25 Sqm (d)18 gauge (thickness 1.2 mm) -10 Sqm

Supply, Installation, Testing and Commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages,fanges etc, as required-10 Sqm.

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

Suppply and fixing air diffusers of required sizes with volume control damper and as required-08 Sqm

Supply and fixing Return air difñusers of required sizes without volume control damper and as required-8 Sqm

Supply & fixing of powder-coated extruded aluminium continuous-type linear return air grills complete with nuts, bolts, screws etc as per approved drawings and as required-02 Sqm

Supply, Installation, Testing and Commissioning of powder-coated extruded aluminium louvers with synthetic removable-type filter, bird screen & damper for fresh air intake complete-02 Sqm

Supply, Installation, Testing and Commissioning of fire-cum-smoke motorized damper as required, the blades and frame shall be minimum 1.6 mm thick GI sheet and factory-fitted in a sleeve made out of 1.6 mm thick GS sheet of min 400 mm length, as and where required, of required sizes including control wiring. The damper shall be motorized and have spring-return mechanism 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 shal 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. (a) Motorized fire cum smoke damper-12 Sqm (b) Spring-return motorized assembly-24 Nos (c) Actuator with control panel -24 Nos

Supply & application of Acoustic Insulation inside the duct with Engineered nitrile-rubber open-cell foam of 15mm thickness with density140-180 kg/m3 passing Class-1 fire performance test as per BS-476 (part 7), Air Erosion test for 10,000 FPM air velocity as per ASTM-C-107105 and with built-in antimicrobial protection. The material should pass fungal-resistance test as per DIN EN ISO-846 method-A and bacterial resistance test as per DIN EN ISO-846 method-C; to be applied using manufacturer's recommendation rubber-based adhesive in a blend of solvents complete-30 Sqm

Supply & Installation of Thermal Insulation 13mm on ducts not exposed to sunlight using closed-cell Class '0' nitrile rubber elastomeric insulation of density 40 -55 kg/m3, thermal conductivity of 0.037 W/mK at 20 deg C mean temp and H27000 (without any additional vapour barrier) and with factory-laminated aluminium foil of minimum 60 microns thickness having weight of 193 GSM as per EN-ISO 2286-2, tensile strength shall be 90N/15mm as per EN-SO 527-3 with elongation > 10% as per ENHSO 527-3 to be applied on ducts using manufacturer's recommendation, rubber-based adhesive in a blend of solvents complete-420 Sqm

Pre-requisites:( For Item No 1.39 to 1.43) The outgoing feeders as indicated in BOQ shall have suitable range of followings (except capacitor feeders). (a) LL Digital electronic MFM cum kWh meter where provided shall be equipped with communication port & three-phase indicating lamps protected by 2 Amps SP MCBs. (b) 415/110V suitable rating control transformer shall be provided for aux control supply, (c) Wiring with space heater, thermostat and control MCBS shall be provided for all vertical sections of main LT panel. (d) Al incoming as well as outgoing feeders shall have pad locking facility. (e) Suitable danger board shall be provided. (f) All MCCBs shall be provided with front rotary handle and operating mechanism for door interlock with pad locking of MCCBs handles in "OFF" (g) Al hinged door shall be earthed through 2.5 sqmm tinned braided copper (h) Panels shall be powder-coated with grey paint shade No. RAL-7032 of IS-5. (j) Minimum degree of protection for following types of distribution panel enclosure shall be as per IS:60439 (k) All motor feeders MCCBs shall be of motor duty (l) Supporting/Base rigid steel framework. (m) TPN MCCBs shall mean 3 pole MCCBs with adequate sizes of neutral link.

Supply, installation, testing & commissioning of cubical type floor-mounted front-operated LT PANEL, as per IEC 61439, for 415V, 3-phase, 4-wire 50 HzAC 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 aluminium alloy bus bars with suitable rating. Neutral to high conductivity, MC/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 sizes, with earth bus bars, Al bus bars, numbering & sign writing, interconnection & 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, cable gland plates in two halves, i/c providing following switch gears.

Item No 1.39 Contd (HVAC PANEL PLANT ROOM ) INCOMER (a) 1 No 300A 4P MCCB (3S kA) Icu=lcs, micro-processor based having earth fault protection with 600A 4P ASTS(T) with bridging bars and as per ISEC-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 (0-500A) Ammeter with ASS with 3 Nos 500/5A CTS BUS-BAR (a) 1 set of 400A TPN aluminium Bus-Bar with colour-coded PVC sleeves. OUTGOINGS Following Outgoings with thermal magnetic-based releases (except specifed anywhere) 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=35kA)for each. Note: Chiller is assumed to be provided with its starting arrangement with chiller supply (a) 4 Nos 250A TP MCCB 25 kA (3 Chiller, 1 spare) microprocessor-based having earth fault relay. (b) 2 Nos 125 A TP MCCB 25 kA (1 HW6, 1 Spare) (c) 3 Nos 32A TP MCB 25 kA (2 CT Fan, 1 Spare) (d) 3 Nos 32ATP MCB 25 kA (2 CDWP, 1 Spare) (e) 3 Nos 16ATP MCB 25 kA (2 CHWP, 1 Spare) (f) 2 Nos 16ATP MCB 25 kA (1 HW Pump, 1 Spare) (g) 5 Nos 25ATPN/SPN MCB C curve 10 kA

AHU PANEL-1 INCOMER (a) 1 No 63A 4P MCCB (25 kA) Icu=lcs; thermal magnetic-based having earth fault protection with front operating rotary handle and as per IS/EC-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 (a) 1 set of 100A TPN aluminium 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, salid neutral link and accessories as required (Ics=Icu=16kA) for each (a) 2 Nos 63ATP MCCB (AHU, Spare) (b) 5 Nos 25ASPN MCB c curve10 kA (c) 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. PANEL described as above -01 Set

AHU PANEL-2 INCOMER (a) 1 No 63A 4P MCCB (25 kA) Icu=lcs; thermal magnetic-based having earth fault protection with front operating rotary handle and as per IS/EC-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 (a) 1 set of 100A TPN aluminium 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, salid.neutral link and accessories as required (Ics=Icu=16kA) for each (a) 2 Nos 40ATP MCCB (AHU, Spare) (b) 5 Nos 25ASPN MCB Cc curve 10 kA (c) 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. PANEL described as above -01 Set

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. (a) 3.5 core x 70 sqmm -50 RM (b) 3.5 core x 25 sqmm -100 RM (c) 3 core x 10 sqmm - 20 RM (d) 3 core x 6 sqmm - 20 RM (e) 3 core x 4 sqmm- 20 RM

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. (a) 3.5 core x 70 sqmm - 02 Nos (b) 3.5 core x 25 sqmm - 04 Nos (c) 3 core x 10 sqmm - 02 Nos (d) 3 core x 6 sqmm - 02 Nos (e) 3 core x 4 sqmm - 02 Nos

Providing & fixing of control wiring/ power cabling with following sizes of copper conductor armoured cable, making connections etc, as required (a) 4 core x 1.5 sqmm - 200 RM

Supply, Installation, Testing and commissioning for earthing complete with galvanized steel earth plate 600 x 600 x 6.0 mm thick burried directly in ground (earth pit not less than 2.25 mtrs deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level, connected to GI strip of size 32 x 6 mm by means of bolts, check nut, nuts and washers including charcoal dust and common salt, with necessary excavation in soft/loose soil, returning filling in and removal of surplus soil to a distance upto 50 mtrs, PCC pit in cement concrete 1:3:6 type C1 using (20mm grade stone aggregate), pre-cast RCC cover shall be provided in RCC 1:2:4 type B-1 (using 20mm grade stone aggregate), 40 mm thick pit cover reinforced with 8 mm dia TMT bars 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 40 mm bore (light-grade) Gl pipe for earth lead protection, including earth work complete, etc as specified and directed by Engineer-in-charge. Note: Gl strip and protection pipe of 40 mm dia upto 7.5 meter length is deemed to be inciuded in the rate quoted-04 Jobs

Suypply and laying GI earth electrode 32 x6mm strip complete all as specified and as directed- 32 RM

Supply, Fabrication, and installation 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. (a) 150 mm (50 mmx1.6 mm thick) -50 RM (b) 300 mm (50 mmx 2.0 mm thick ) -20 RM

NOTES for item No 1.01 to 1.49 above (a) The rate shall be inclusive of Designing of Central AC plant along with specifications and submitted dully vetted by IIT / NIT. (b) The parameters against each items shown above is for guideline only. The specifications suggested by the Govt certified Charted Engineer and approved by Accepting Officer shall superseeded to the given specifications above and the rates are deemed to be included in the quoted rates. (c) The completion of the work shall be issued in phased manner. Provisional completion of the work shall be issued After physical execution of the work at site complete in all respect. (d) The complete central AC Plant schematic / line plan layout shall be approved by the contractor from Accepting officer before commncement of work (e) The Phase -I completion of the work shall be issued after 24 hours of Phase-I Test to be conducted in presence of IEM, Engg-in-charge , GE and users Representative. (f) The Phase -II ( summer / mansoon / winter ) Tests shall be carried out by The Rep of Accepting Officer /IEM. (g) After issue of Phase I completion, the Plant shall be operated by the contractor till completion of Phase -II and up to full satisfaction of GE/ Engg-in-charge) as per the contract provisions. (h) The Defect liability period of the contract shall start after the completion of all phase-II tests ) (j) The central AC Plant drawing layout designed and prepared by IIT / NIT shall be submitted by the contractor for approval of the Accepting officer. (k) Quantities stated herein above vide item No 1.01 to 1.49 are not firm and may subject to change, quantities stated are for guideline/ estimation purpose only.

Supply, Erecting/ Fixing, Testing and Commissioning of Water Cooler Electric driven single phase having approx storage capacity of 80 ltrs and nominl cooling capacity of 40 ltrs per hour complete all as specified and as directed.

M&L for maintenance free chemical earthing using isogel of Tercel or equivalent of Eric or Unitech or JMV LPS limited, earth enhancing compound 40 Kg use of 3 copper rods of 16mm dia 3 mtr long and place this in 65mm bore pack filled with mixture of isogel and soil, below in the ground and back filled with mixture of isogel and soil. The connection of copper strip with the rod shall be down Bi-Metallic "U" clamps. One 32mm x 6mm copper strip shall be used to extend the earth point upto the test point made of copper earth plate of size 90cm x 60cm x 5mm thick. The earth pit chamber cover shall be made of plastic material. It is to be ensured and tested that earth resistance shall be less than 1 ohm complete all as specified and as directed. Note : (a) Proper earthing pit should be provided with pit cover (b) Excavation/earthwork is deemed to be included in the quoted rate (c) In case of desired test result is not achieved, the earthing shall be redone with out any extra cost to the department.

M & L for earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required for 32 x 6mm copper strip using porcelain clit/post insulators, including brazing if required complete all as specified and as directed.

PRIME COST SUM The prime cost is to be used as directed by the Accepting Officer vide conditioin 1(v) and 5 of IAFW-2249 (a) Lump sum price worked out by the tenderer for prime cost sum of Rs.20,00,000.00 for supply of spare parts of variuos plant/ units as mentione under subject work here-in-above and ordered convening order BOO by Accepting Officer. The materials shall be procured directly from the OEM/ Authorised dealer or as directed by Engineer Incharge. (b) The contractor is to quote the amount in Col 6 of this BOQ adding his overhead and profit. The amount shall be adjusted proportionately to the sum actually expended against Prime Cost Sum. Notes:- (i) Item (s) covered under Prime Cost Sum shall be ordered as per condition 5 of IAFW-2249. (ii) Contractor will quote rate for this item upto maximum of Rs. 23,00,000.00 resulting maximum percentage of 15%. If contractor quotes rate more than Rs 23,00,000.00, amount column shall automatically adapt amount of 23,00,000.00 and percentage column shall adapt percentage 15% . In case of acceptance of such quoted tender, rate quoted against this item shall be amended to 23,00,000.00 through alteration and contractor will have no claim on this account. However if contractor quotes rate less than 23,00,000.00, quoted amount and derived percentage shall be reflected as such under amount column & percentage column. (iii) The Contractor shall have to submit GST enable printed bill for claiming payment.

RS COOLING APPLIANCES

M/s JK Jangid and Company