Tender For Sitc Of 100 Tr Induced Draft Type Twin Cell Cooling Tower For Cese Ac Plant.; 1 Induced Draft TypeTwin Cell Cooling Tower- (Cooling Technology Institute) CTI Cerified 2 Supply, Installation, Testing and Commissioning of FRP type induceddraftcoolingtowerswith sump and steel ladder complete with, direct driven IE-03,The fan motor shall be premium efficiency IE3 class induction motor, suitable for outdoor installationwithnecessaryprotection and upvc fills asper the specifications, all SS nut-bols and fan-hub, The cooling tower shall be suitable for 75 TR Screw Chillers (100 TR Cooling tower capacity) comprisingof twin cell each of capacity 50 TR . The cooling tower fanshall be suitable for operation on 415±10% Volts, 50 Hz, 3 Phase AC power supply. Each cell Heat rejection capacity should be minimum 600000 BTUs/hr. The cooling tower motor shall be from the approved motor make only. All the vertical & horizontal supports/hangers hardware sections shall be GI type with epoxy painted. Cooling Tower with duty conditionsnot restricted to the following:. The FRP panels and casing shall be minimum 5 mm thick using unsaturated polyster resin with UV protected gel coat. The tower fills shall be UV protected high efficiency low clog uPVC virgin PVC type. Thevibration isolators is also included in the scope of cooling towers. The rate includes all the pre-epoxy coated MS GI supporting structure ,base frames I beam/C Channel,drain connection with suitable valve,drift eliminator,& positioning of cooling tower at Terrace of Building, angles and channels for successful commissioning of the cooling tower as per specification. 3 a.Max. wetbulbtemperature :83 F (28.3C) 4 b.Temperatureofwater 5 enteringcoolingtower:100 F (37.7 C) 6 c.Temperatureofwater 7 leavingcooling tower : 90 F (32.2 C) 8 d.Water flow rate per tower :300 USGPM 9 e. Minimum efficiency of motors : 90% 10 Twin cell cooling towers as described above. 11 Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete. 12 Supplying, laying/ fixing, testing and commissioning of following nominal sizes ofchilled/condenser water piping plumbing i/c fabrication of bends / elbows, tees, reducers etc) inside the building (with necessary clamps, wooden/puf support, vibration isolators, primer/ enamel paint parrot green, fittings but excluding valves, strainers, gauges etc.)as per specifications and as required complete in all respect.Note:- The Pipes of sizes 150mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above. 13 32 mm 14 40 mm 15 50 mm 16 65 mm 17 80 mm 18 100 mm 19 125 mm 20 150 mm 21 Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/cMS angle-clamp fittings as per standard specification complete as required including cutting & making good the walls etc.Internal work - Exposed on wall. 22 32mm 23 40mm 24 50mm 25 Providing & fixing ofSS ball valve of following sizewith compatible to proportioning Copper/MSpipei/c all necessary accessories, support /hangers, including old dismantling if any complete as reqd. 26 25 mm 27 32 mm 28 Supplying, fixing, testing and commissioning of following BUTTERFLY VALVE (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & Oring PN 16 pressure ratingsize 200 mm to 400 mm gear type with removable wheel and below 200 mm with hand lever operated for chilled water/hot water circulation in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications as specified. 29 50 mm 30 65 mm 31 80 mm 32 100 mm 33 125 mm 34 150 mm 35 BALANCING VALVE WITH BUILT IN MEASURING FACILITY with C I body flanged construction with EPDM coated disc with long pitch with protected out pipe insulation & PN 16 pressure rating for chilled / hot water circulation as specified. 36 100 mm 37 150 mm 38 Supplying, fixing, testing and commissioning Y - STRAINER of Ductile CI Body flanged ends with stainless steel strainer for chilled / hot water circulation including insulation as specified. 39 125 mm 40 Providing & fixing in position the mercury in glass industrial type thermometers with metalic cover complete as required. 41 Providing and fixing in position the industrial type pressure gauges with gun metal/ brass valves complete as required 42 Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level. 1:5:10 43 (1 cement : 5 coarse sand (zone-III): 10 graded stone aggregate 40 mm nominal size) 44 Supplying, fixing, testing and commissioning of following Non-Return valves in the chilled/condenser water line duly insulated on CHW line to the same specifications as the connected piping and adequately supported as per specifications 45 150 mm 46 125 mm 47 Electrical and control 48 Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface/ recessed steel/ PVC conduit as required 49 4 x 6 sq. mm 50 4 x 4 sq. mm 51 Supply, Installation, Testing and Commissioning of variable frequencydrivesfortheexisting pump Variablefrequencydrives shall be providedwith necessary sensors, transmitters and complete with control wiring in all respect as required and as per specs.Thedrivesshallbesuitablefor the followingmotor rating. VFDs shall be housed in VFD Panels. 52 7.5 KW (FC-51 Series) danfoss or equivalent. 53 Installation, Testing and Commissioning of existing pump end suction type centrifugal pump , epoxy painted common base frame, flexible coupling,coupling guard, mechanical seals, vibration isolation arrangementetc. for recirculationof condenser waterforthe central airconditioning system as per the specifications. The pumps shall be suitable for operation on 415±10% Volts, 50 Hz, 3 Phase AC power supply.The pump characteristics shall be as follows : 54 7.5 KW (10 HP)Capacity 55 Cutting and dismantling of damaged and defective MSC class pipe of size as mentioned below ( exposed over the surface/ underground ) i/c shifting the same to sectional store or desired location i/c cartage. 56 20 mm to 100 mm dia. 57 125 mm to 200 mm dia 58 Cutting & dismantling of condenser / chilled water pipe line with grinder/welding machine/gas cutter for drain out the water from supply and return pipe line and making good after leakage repairing i/c re-filling of water inpipe line size from 20 mm to 400 mm dia including isolation of defective pipeline, valve operation, testing & commissioning etc as required. 59 125 mm to 200 mm dia 60 Only Laying /fixing, testing and commissioning of MS Heavy C class pipe ( IS :1239 up 150mm & IS :3589 above 150mm) of following sizes for chilled/ condenser water piping on surface / underground ( including fabrication of bends / elbows, tees, reducers, sockets, unions etc) with wooden / Puff block, masonry support / MS angle-clamp two coats primer/ enamel paint, vibration isolators and fittings as per standard specification complete as required. (Pipe will be provided by the institute free of cost). 61 125 mm 62 150 mm
