83973/E8 SPECIAL REPAIRS/REPLACEMENT OF AC PLANTS AT SES AT AFS CHABUA UNDER GE (AF) CHABUA

Amount

Supply, Installation, Testing and Commissioning of water-cooled fixed speed scrollchiller with multiple compressors, comprising of Hermetic compressors, DX Evaporator, shell & tube condenser, suitable expansion device, suitable foroperation on R-410A refrigerant of 11.0 TR actual Cooling Capacity, complete, all as specified and directed. (A) CHILLER: Water Temperature IN - 54.0 deg F Water Temperature OUT - 44.0 deg F Fouling Factor - 0.0005 FPS (B) CONDENSER: Water Temperature IN - 90.0 deg F Water Temperature OUT - 97.5 deg F Fouling Factor - 0.001 FPS Water flow rate through Chiller - 33 USGPM (max) Water flow rate through Condenser - 44 USGPM (max)

Supply, Installation, Testing and Commissioning of end-suction centrifugal Chilled water pump Set capable of delivering 39 USGPM of water against Suitable WG head comprising of the following:- (a) Pump with bronze impeller, S.S Shaft, CED Coated CI body and mechanical seal - 1 No. (b) 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% - 01 No (c) Duly insulated with 19 mm thick closed cell nitrilerubber insulation cladded with aluminium sheets of 24G thickness and properly clamped to pump in two semi-circular sections as required. (d) Mounting frame work with anti-vibration pads - 1 Lot

Supply, Installation, Testing and Commissioning of end-suction centrifugal Condenser water pump Set capable of delivering 44 USGPM of water against Suitable WG head comprising of the following:- (e) Pump with bronze impeller, S.S Shaft, CED Coated CI body and mechanical seal - 1 No. (f) 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% - 1 No. (g) 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. (h) Mounting frame work with anti-vibration pads - 1 lot

Supply, Installation, Testing and Commissioning of induced draft counter flow, vertical discharge-type FRP Cooling tower of with ultra-violet treated durable & highly efficient PVC fillingswith integral louvers and drift eliminators, open pan suitable for water distribution complete with hot FRP water basin. The hot water shall be distributed to fillsin 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 no. 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 installed on proper foundation as per requirements. (Design of he floor slab of the floor mounted cooling towers shall be given by manufacturer & cost of the same shall be deemed to be included in unit cost of item. (a) Water Leaving Temperature : 90.0 deg F (b) Water Entering Temperature : 97.5 deg F

Supplying, laying/ fixing, testing and commissioning of 50 mm dia. (25 mm thick insulation) M.S. 'C' class as per IS:1239 for chilled / hot water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with closed cell Class 'O' Nitrile Rubber Elastomeric Insulation of density 40 - 60 kg/m3, Thermal Conductivity of 0.035 W/mK at 0 deg. Celsius Mean Temp. and μ≥7000 (without any additional Vapour Barrier) and factory laminated 7 mil Glass Cloth (GC) covering; to be applied on pipes using manufacturer's recommended rubber-based adhesive in a blend of solvents, complete, all as specified and directed.

Supplying, Fixing, Testing and Commissioning of BUTTERFLY VALVE (MANUAL) of 50 mm dia. with CI body SS Disc, nitrile rubber seal & O-Ring PN 16 pressure rating in the chilled/hot water plumbing duly insulated to the same specifications as the connected piping and adequately supported as required.

Supplying, Fixing, Testing and Commissioning of BALANCING VALVE of 50 mm dia. with BUILT-IN MEASURING FACILITY of C I body flanged construction with EPD Mcoated disc with long pitch with protruded out pipe insulation & PN 16 pressure rating in the chilled/hot water plumbing duly insulated to the same specifications as the connected piping and adequately supported as required.

Supplying, Fixing, Testing and Commissioning of NON - RETURN VALVE of 50mm dia with dual plates of C I body SS plates vulcanized NBR seal flanged end & PN 16 pressure rating in the chilled/hot water plumbing duly insulated to the same specifications as the connected piping and adequately supported as required.

Supplying, Fixing, Testing and Commissioning of Y - STRAINER of 50 mm dia, ductile CI Body flanged ends with stainless steel strainer in the chilled/hot water plumbing duly insulated to the same specifications as the connected piping and adequately supported as required.

Supplying, Fixing, Testing and Commissioning of FLOW SWITCH of 50mm dia., brass/polymer construction in the chilled/hot water plumbing duly insulated to the same specifications as the connected piping and adequately supported as required.

Supplying, Fixing, Testing and Commissioning of Industrial type pressure gauges with gunmetal / brass construction isolating valve complete with all accessories as required duly insulated to the same specifications as the connected piping and adequately supported as required.

Supplying,Fixing, Testing and Commissioning of Industrial type mercury in glass industrial type thermometers with gunmetal / brass construction isolating valve complete with all accessories as required duly insulated to the same specifications as the connected piping and adequately supported.

Supply, Installation, Testing and Commissioning of flexible connector for 50 mm dia. pipe having PN 16 working pressure with anti vacuum rings complete with flanges, nuts, bolts, seal etc, complete, all as specified.

Supply & Installation of EXPANSION water tank of capacity of 5000 Litres, HDPE Construction complete in all respect with connection, over flow and drain. Make up connection with float valve, drain valve, incoming line valvesand fittings, complete, all as specified and directed.

Flint India