PROVISION OF AC PLANT FOR THREE TECHNICAL STORAGE ACCN AT AF STN CHABUA UNDER GE (AF) CHABUA

Amount

Design, Supply, Installation, Testing and Commissioning of Central AC plant with the following parameters ,specifications and drawings, including foundation woks whereever necessary, complete as mentioned in Srl No 1.01 to 1.54 here-in-after all as specified and as directed.

Design, 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-407 C refrigerant and complete in all respects as required capacity not less than 90 TR (Working) with 50 % (standby) and with Design Data sheet enclosed as Annexure 'A' ( Page No 127 (R) here-in-after). Note : - Capacity of AC Plant mentioned above is indicative. Rates shall be quoted after design/calculation of capacity as per Design Data sheet mentioned in Annexure 'A' and as per drawing and size of building.

Supply, Installation, Testing and Commissioning of end-suction centrifugal Chilled water pump set, pump as above ( 2 working + 1 stand by) capable of delivering USGPM to deliver water against suitable WG head (as per design) comprising of the following and complete as required. (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 nitrlle rubber insulation cladded with aluminium sheets of 24G thickness 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, Pump as above ( 2 working + 1 standby) capable of delivering USGPM to deliver water against suitable WG head (as per design) each comprising of the followlng and complete as required. (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 as ( 1 working + 1 standby) for hot water re-circulation, pump set capable of delivering LPM (as per design) to deliver water against suitable WG head (as per design) each comprising of the following and complete as required (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 (1 working + 1 standby) of following actual capacity made of 8 mm M.S. sheet and dish end made of 10mm M.S. having 16 gauge stainless steel lining with heaters arranged in banks and Controller and Thermostat so that required qty of hot water is generated at 50°c with nominal variation, including 100mm thick resin-bonded fiber glass insulation of 24 kg/ cum density finished with 1.25mm thick aluminium sheet cladding including necessary Electrical panel with automatic controls Including inlet and outlet connections for water complete with pressure-release valve, low level cut-0ut, Autovent sight glass, as per specifications complete as required. (Degree of protection: IP-52 with IS-2147) Heating capacity: As per design Water in temp. : As per design Water out temp : As per design Flow Rate: As per design

Supply. Installation, Testing and Commissioning of Water Spray Humidifier as per design, complete all as specified and as directed.

Design, Supply, lnstallatlon, Testing and Commisionlng of Induced draft counter flow, vertical discharge type FRP Coollng tower of capacity as per design with ultra-violet treated durable & hlghly efflclent PVC fittings with Integral louvers and drift elimlnators, open pan suitable for water distrlbutlon 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-65 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 : As per Design Water Entering Temperature : As per Design Water Flow Rate : As per Design Ambient Wet Bulb Temperature : As per Design

Supply, Installation, Testing and Commissioning of factory-built Floor standing double-skIn type air handllng unit of capacity as per design at 03 different locations in Annexies as shown in drawing complete 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) Pre filters and Fine filter should be located after the fan in the direction of alr 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 GI enclosure with necessary power and control cable as required.

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.

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. (a) 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.

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 of rated dia as per design (MANUAL) with CI body SS Disc, nitrite rubber seal & O- Ring PN16 pressure rating for chilled water circulation as required. (b) BALL VALVE 40/32/25 mm dia (diameter as per design) set with and without Y-strainer with bronze body, flanged end type for chilled water circulation as specified. (c) BALANCING VALVE of rated diameter as per design 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. (d) NON - RETURN VALVE of rated diameter as per design with dual plated CI body SS plates vulcanized NBR- seal flanged end & PN16 pressure rating for chilled water circulation including insulation as required (e) Y- STRAINER of rated diameter as per design with of ductile Cl Body flanged ends with stainless-steel strainer for chilled water circulation including insulatlon as required (f) Three-way Motorized Valves with modulating motor In cooling/heating coil of air handling units as required (g) FLOW SWITCH of rated diameter as per design with of brass/polymer construction, as per requirement. (h) Industrial-type pressure gauge glyserine filled of rated diameter as per design with gun-metal / brass construction and isolating valve complete with all accessories as required.

Item No 1.11 Contd (j) Industrial-type mercury in glass industrial-type thermometer with gun-metal / brass construction isolating valve complete with all accessories as required (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 as required (l) Dial-type pressure gauge with probe suitablefor binder test point application with brass construction, nitrite sealing bushes, max operating pressure of 16 bar & max working temperature·of 110 deg celslus as required. (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)

Supply, Installation, Testing and Commissioning of flexible Connector for 80/40mm 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.

Supplying, Fixing, Testing and Commssionlng of G.I Pipe of rated diameter as per design with medium gauge 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 or damage to building etc. as required complete In all respects.

Supply, Installation, Testing of open-type expansion tank (as per design) 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. (Size 500 X 500 X 500 (HIGH))

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.

Supply, Fixing, Testing and Commissioning of condenser water pipes of suitable 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

Supply. Fixing, Testing ahd Commissioning of following valves, gauges and strainers for condenser water circulation as required:- (a) BUTTERFLY VALVE (MANUAL) of rated dia as per design 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 required. (b) BALANCING VALVE of rated dia as per design as required with BUILT-IN MEASURING FACILITY of gun-metal construction upto 50 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. (c) NON- RETURN VALVE of rated dia as per design 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. (d) Y- STRAINER of rated dia as per design of cast steel body, flanged ends with stailess steel strainer, suitable for PN 16 working pressure for condenser water circulation as required. (e) BALL VALVE of rated dia as per design as required of brass construion, flanged end type for drain connection & make up water connection as required.

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.

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

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

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

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).

Supply, Installation, Testing and commissioning of On-line, non-chemical water treatment scale preventer system (suitable for of rated dia of pipe as per design).

Supply & Installation of make-up water tank 5000 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.

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) As required (b) 22 gauge (thickness 0.8 mm) As required (c) 20 gauge (thickness 1.0 mm) As required

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) As required (b) 22 gauge (thickness 0.8 mm) As required (c) 20 gauge (thickness 1.0 mm) As required (d)18 gauge (thickness 1.2 mm) As required

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

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.

Supply and fixing Return air difñusers of required sizes without volume control damper and as required.

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.

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

Supply and fixing Air washers for washing of return air from the conditioned space by water spray bank and spray eliminators complete as per design and all as specified and as directed.-01 JOB

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 & 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 as required (b) Spring-return motorized assembly as required (c) Actuator with control panel as required

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 fungl-resistance rest 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 recommended rubber-based Adhesive in a blend of solvents complete as per requirement.

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 as per requirement.

Supply, Installation, Testing & Commssioning of LT Panel board manufactured from CPRI approved manufcturer, fabricated out of 2mm thick CRCA sheet floor-mounted front and back operated LT PANEL, as per IEC 61439, for 415V, 3-phase, 4-wire 50 Hz AC supply system, each cubical shall be fabricated in compartmentalized design with CRCA sheet steel of 2mm thickness for frame work and covers, 2mm thickness for gland plates i/c cleaning & surface treatment with 9-tank process before powder coating of 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, 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: (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.

Item No 1.38 & 1.39 Contd INCOMER (a) 1 No 320A 4P MCCB (35 kA) Icu=lcs, micro-processor based having earth fault protection with 320A 4P ATS(Automatic Transfer Switch) with bridging bars and as per ISEC-60947 complete as required. METERING & INDICATION (a) 1 set of R,Y,B phase, ON indicating lamps- 01 set (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 500A TPN aluminium Bus-Bar with colour-coded PVC sleeves. OUTGOINGS (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 (d) 4 Nos 250A TP MCCB 25 kA (3 Chiller, 1 spare) icroprocessor-based having earth fault relay. (e) 2 Nos 125 A TP MCCB 25 kA (2 Hot water generator) (f) 2 Nos 32A TP MCB 25 kA (2 Cooling tower) (g) 3 Nos 32ATP MCB 25 kA (3 Condensor water pump) (h) 3 Nos 16ATP MCB 25 kA (3 Chilled water pump) (j) 2 Nos 16ATP MCB 25 kA (2 Hot water pump) (k) 5 Nos 25ATPN/SPN MCB C curve 10 kA

Supply, Installation, Testing & commissioning of LT Panel board Manufactured from CPRI approved manufcturer, fabricated out of 2mm thick CRCA sheet floor-mounted front and back operated LT PANEL( Qty-01 No), as per IEC 61439, for 415V, 3-phase, 4-wire 50 HzAC supply system, each cubical shall be fabricated in compartmentalized design with CRCA sheet steel of 2mm thickness for frame work and covers, 2mm 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, 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: (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.

Item No 1.42 & 1.43 (Contd) INCOMER (a) 1 No 200A 4P MCCB (25 kA) I cutcs, thermal magnetic-based having earth fault protection with front operating rotary handle and as per ISAEC-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 2ASP MCB (c) 1 No (0-100A) Ammeter with ASS with 3 Nos 100/5ACTs BUS-BAR (a) 1 set of 320A 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, solid neutral link and accessories as required. (lcs=Icu=16kA) for each. (a) 04 Nos 40ATP MCCB (AHU, Spare) (b) 6 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. (d) PANEL described as above.

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 As required (b) 3.5 core x 25 sqmm As required (c) 3 core x 10 sqmm As required (d) 3 core x 6 sqmm As required (e) 3 core x 4 sqmm As required Note : The size of cables is tentative and final size shall be based on design calculations for each electrical equipment.

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 sq. mm As required (b) 3.5 core x 25 sq.mm As required (c) 3 core x 10 sq.mm As required (d) 3 core x 6 sq.mm As required (e) 3 core x 4 sq.mm As required Note : The size of cables is tentative and final size shall be based on design calculations for each electrical equipment.

Providing & fixing of control wiring/ power cabling with following sizes of copper conductor armoured cable, making connections etc, as required (a) 6/4 core x 2.5/1.5 sqmm As required

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. Details of earthing (a) LT Panel -02 Nos (b) Hot water panel-02 Nos (c) AHU panel-03 Nos (d) AHU -03 Nos (e) Chiller Units -03 Nos

Supply, Installation, Testing and commissioning for earthing complete with galvanized steel earth plate 600 x 600 x 6.0 mm thick buried directly in ground (earth pit not less han 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. Details of earthing (a) Cooling tower-02 Nos (b) Hot water pump-02 Nos (c) Chilled water pump-03 Nos (d) Condencer water pump-03 Nos

Suypply and laying GI earth electrode 32 x6mm strip , qty as per site requirement, complete all as specified and as directed.

Suypply and laying GI earth electrode 4mm dia wire complete all as specified and as directed.

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) (b) 300 mm (50 mmx 2.0 mm thick )

Supply and fixing of digital temp & humid display system showing ambient temp / humidity and AHU room temp and humidity necessary control wiring with HWG , Humidifier & Thermostate and sensor complete all as specified and directed.

Supply and fixing Thermostat with control wiring from sensor to microprocessor panel , HWG with sensors of central AC Plant complete all as specified and directed.

NOTES for item No 1.01 to 1.41 above (a) The rate shall be inclusive of Designing of Central AC plant along with specifications and submitted dully vetted by IIT / NIT/ Government Enginnering college . (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 / Government Enginnering college shall be submitted by the contractor for approval of the Accepting officer. (k) Recommendations of CFEES shall be incorporated while designing the AC Plant.

Supply and Fixing air curtain with and including arrangement for automatic operation using limit switches and control wiring mounted on angle iron frame work as per site requirement. The fixtures shall be designed and fixed so as to operate air curtain when doors are opened and should shut down when doors are closed. The size of doors 2.5 mtr (width) x 3.5mtr (height). (The existing doors are of MS double leaves door shutters of 1.5 mtr width and 3 mtr Height ). MATERIAL CLONSTRUCTION Outer Cabinet : MS powder coated Impellers : Aluminium Blower Motor : 1440 RPM flame proof, single Phase, 220 V, 50 Hz Velocity : 12-14 mtr/sec Effective for 10 feet Height FLP Motor CMRI Dhanbad certified.

SHRI RAMSONS PROJECTS CORPORATION

Flint India

M/s JK Jangid and Company

Manipur Steel Industries(INDIA)