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| 1 | S&F new cooling tower hub and fan including fixing, testing and commissioning of various capacity of AC plants,including Dismantling electrical connections, taking down existing cooling tower motor from cooling tower of the following capacity and carrying out the requiste repairs by filling metal on the worn out portion of shaft, machining to the standard size of hub, removing the bends, checking the balancingcomplete all as specified and directed:- |
| 2 | 90 TR capacity hub with 4 blades |
| 3 | Upto 39 TR capacity hub with 4 blades |
| 4 | S&F new sprinkler unit made out of die cast aluminium 1 No, water distribution pipe of HDPE 4 Nos including necessary dripping holes end dummy and 4 Nos tie rod with necessary clamps including testing and commissioning the sprinkler assembly for the following capacities of FRP cooling tower of induced draught type, including Taking down the defective water sprinkler assembly consisting of water distribution pipe set of 4 Nos, sprinkler unit, balancing tie rod set, etc complete all as specified and directed. |
| 5 | Upto 39 TR capacity |
| 6 | 90 TR capacity |
| 7 | M&L for complete overhauling servicing of cooling tower FRP type, removal of complete scales, dirt etc. by using chemicals, cleaning the sump louvers PVC fills, fan assembly, renewal of spray nozzle with connected pipe, renewals of nuts bolt, leak arresting of the FRP tank, replacing PVC fills and complete painting of the cooling tower all as specified and shaft bush and carrying out repair to cooling tower by taking down the choked PVC fills, segments, rusted structural supports, bolts & nuts repair to PVC segments cold water sumps, broken nozzles, cleaning the cooling tower fan assembly, overhauling of fanmotor, sprinkler system including replacement of defective parts such as nozzles, mesh sprinkler PVC common header pipes valve, bolts and nut strainer, arresting of base leakages if any removing and cleaning of fungus complete including white washing the base complete all as specified and directed.Note:- PVC fills will be mesured and paid seperately under relevant sch of item. |
| 8 | 90 TR capacity |
| 9 | Upto 39 TR capacity |
| 10 | S&F PVC fills of size 600X300X150 mm (Blocks) suitable for cooling tower of capacity upto 39 TRincluding taking down old unserviceable PVC fills complete all as specified and directed.(Qty of PVC Fills - 90 Pieces shall beconsidered as one Job) |
| 11 | S&F PVC fills of size 600X300X150 mm (Blocks) suitable for cooling tower of capacity above 39 TR but not more than 90 TR including taking down old unserviceable PVC fill complete all as specified and directed.(Qty of PVC Fills - 120 Pieces shall be considered as one Job) |
| 12 | M&L for carrying out the chemical servicing /checking/ inspection of the Air Handling units & cooling coils by applying the non-aciditic scale removing agent to the fins area of the cooling coil, copper tubes, remove the complete scale deposit across the coil, flushing through and complete blowing out the dirt, cleaning the fan impellers, filter section, fan section and complete cleaning of filters, tightening of all bolts & nuts, renew the rusted bolts & nuts checking the alignment of the drive set, greasing of blower motor, checking of electrical connection, cleaning of air filter, replacement of unserviceable bearing renewal of rusted sheet metal screws, applying synthetic enamel paint over a coat of primer on the rusted portion and testing & commissioning the Air Handling units of AC Plant and cleaning of bushes of cooling tower nearby area complete all as specified and directed. |
| 13 | Upto 39 TR Capacity |
| 14 | 90 TR Capacity |
| 15 | M&L GI metal frame with powder coated pre filtes micronemade out of fibre visc washable type AHU filter size 550x550x50 mm as per site requirement including taking down old unserviceable damaged filter complete all as specified and as directed. |
| 16 | M&LGI metal frame with powder coated pre filtes microne made out of fibre visc washable type AHU filter size 610x610x50 mm as per site requirment including taking down old unserviceable damaged filter complete all as specified and directed. |
| 17 | M&L for disconnecting electrical/ mechanical connectionsdefective unserviceable Motor from cooling tower, taking down the defective Induction Motor of any make / model shifted to work shop for dismantling motor, remove burnt out winding from stator and rewinding the stator with same gauge super enamelled copper conductor with necessary insulation materials, varnishing backing re-assembling motor including replacement of both end bearings complete after complete the job motor shifted to site and reinstalled at its original position including allignment with electrical connections and testing for best performance complete all as specified and directed:- |
| 18 | Motor upto 5HP |
| 19 | Motor 6 to 10 HP |
| 20 | M&L for taking down the defective worn out AHU shaft by dismantling the drive set, dismantling the AHU fan section, filter section, impellers etc and taking out the shaft, transporting to work shop and carrying out the repair by filling the metal on the worn out portion, both ends, machining to the standard size of the bearing, removing the bend and checking the balancing fixing back to position, assembling dismantled sheet metal parts and testing commissioning the AHU of various capacity AC plants including necessary alignment of drive set complete all as specified and directed:- |
| 21 | Supply and filling compressor oil complete all as specified and directed. |
| 22 | S&F in repairs pressure gauge (0- 5Kg/Cm²) including necessary specials and provision of suitable ferrule etc., complete all as specified and directed. |
| 23 | S&F80 mm dia CI butterfly valve, PN 1.0, pneumatic double acting actuator with both sides flanges and gaskets including taking down old unserviceable butterfly valve complete all as specified and directed. |
| 24 | S&F 100 mm dia CI butterfly valve, PN 1.0, pneumatic double acting actuator with both sides flanges and gaskets including taking down old unserviceable butterfly valve complete all as specified and directed. |
| 25 | S&F 150 mm dia CI butterfly valve, PN 1.0, pneumatic double acting actuator with both sides flanges and gaskets including taking down old unserviceable butterfly valve complete all as specified and directed. |
| 26 | S&F50mm dia. brass floatvalve screw typewith necessarycheck nut, washers etc, as per the site conditionat make up water tank of the colling tower of the various ac plant, complete including taking out old valves complete all as specified and directed. |
| 27 | S&F GI ball valve upto 25 mm complete including taking out old valves complete all as specified and directed. |
| 28 | S&F GI ball valve upto 40 mm complete including taking out old valves complete all as specified and directed. |
| 29 | S& F GI ball valve upto 50 mm complete including taking out old valves complete all as specified and directed. |
| 30 | S&F100 mm bore Non Return Valve cast iron end flanged type with necessary nuts, bolts and washerscomplete all including taking down defective u/sassite conditionall as specifed and directed. |
| 31 | S&F 125 mm bore Non Return Valve cast iron end flanged type with necessary nuts, bolts and washerscomplete all including taking down defective unserviceable as site condition complete all as specifed and directed. |
| 32 | S&F150 mm bore Non Return Valve cast iron end flanged type with necessary nuts, bolts and washers complete all including taking down defective unserviceable as site condation complete all as specifed and directed. |
| 33 | Supply, laying and testing, galvanised iron pipe, medium grade with all fittings such as Tee, bends, elbows, sockets, reducer, tee union etc of medium grade, ISI marked fixed to walls/floors/ceilings/trenches including groove cutting for concealed plumbing as required at site and making good the damaged surfaces complete all as specified and directed for the following bores:- |
| 34 | 25 mm bore |
| 35 | 40 mm bore |
| 36 | S&F in repairof 500 Ltr capacity of Rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part I including tank nipple, tank adaptor, union etc complete fitting, including taking down old unserviceable complete all as specified and directed. |
| 37 | All as per item No.24 above but1000 ltr . |
| 38 | All as per item No.24 above but2000 ltr . |
| 39 | M&L for cleaning of PVC tank with bleaching powder and removing all scale and dirt, etc, from tanks and from mouths of circulating pipes, etc of capacity exc 1000 ltr but n.exc 2000 ltrand painting the date of cleaning complete all as specified and directed. |
| 40 | M&L for overhauling of existing star delta starter cleaning of all power contactor terminals replacement if required and renewal of unserviceable perished copper wiring, aluminium/ copper lugs, push buttons and indication lamps etc, including necessary electrical connections and testing the motor with load complete all as specified and directed. |
| 41 | S&F in repair copper cable PVC insulated sheathed 1100 volts grade multi corecopper conductor round 3 core 6 Sq.mm. complete all as specified and directed. |
| 42 | S&F in repair copper cable PVC insulated sheathed 1100 volts grade multi core copper conductor round 3 core 10 Sq.mm. complete all as specified and directed. |
| 43 | S&F in repairs ammeter 3 phase 415V, 50Hz digital type (0-200 Amps) with necessary electrical connections to suit existing panel etc complete all as specified and directed. |
| 44 | S&F in replacement MCCB 3 pole, 250 amps, 415V, 36 KA and connecting with new lugs as directed and required at site condition complete all as specified and directed. |
| 45 | S&F in replacement MCCB 3 pole, 350 amps, 415V, 36 KA and connecting with new lugs as directed and required at site condition complete all as specified and directed. |
| 46 | M&L for painting up to 5 HP and cooling tower motor with two coats of synthetic enamel paint over and including one coat of red oxide primer, including cleaning and degreasing the surface complete all as specified and directed. |
| 47 | All as per item No. 34 above but 6 toupto 10 HP capacity cooling tower motor. |
| 48 | M&L for complete rectification, testing, overhauling and modification of electrical panel includes replacement of burnt out lugs, busbar unserviceable contactors, cleaning of panel, checking of serviceable and operational conditionpanel of timer Repair refixing, ensure of panel door closing, checking of internal wiring incl same colour existing painting complete all as manufacturers instruction complete all as specified and directed. Note:-i) The rate quoted shall be deemed to included for lugs, busbar modification, T&P, MS nuts, bolts, panel painting, ii) Supply only spare parts shall be measured and paid seperately against respective item and the unit rate quoted shall deemed to included the cost of labour for fixing the spares. |
| 49 | Supply only contactor 3 pole MNX 50 |
| 50 | Supply only power contactor 3 pole MNX 32 |
| 51 | Supply only power contactor 3 pole MNX 25 |
| 52 | Supply only auxiallrycontactor MNX-A1 |
| 53 | Supply only auxiallrycontactor MNX-A2 |
| 54 | Supply only power contactor 3 pole MNX 18 |
| 55 | Supply only power contactor 3 pole MNX 9 |
| 56 | Supply only MCB 63 amps 4 pole |
| 57 | M&L for servicing of electrical panel includes replacement of burnt out lugs, unserviceable contactors, cleaning of panel, checking of serviceability of timer and refixing, ensure of panel door closing, checking of internal wiring including same colour existing painting complete all as specified and directed. |
| 58 | Taking down the damaged unserviceable, corroded MS ERW pipe of any type dia any size upto height 10 meters with necessary scoff holding arangement and clearing the site complete all as specified and directed. |
| 59 | S&F 50 mm dia MS ERW Pipe (heavy grade) with necessary fittings like Elbow, flanges, bolts, nut and valve strainers, including supports complete as in water pipe lines including testing and commissioning complete all as specified and directed. |
| 60 | S&F80 mm dia MS ERW Pipe (heavy grade) with necessary fittings like Elbow, flanges, bolts, nut and valve strainers, including supports complete as in water pipe lines includingtesting and commissioning complete all as specified and directed. |
| 61 | S&F 100 mm dia MS ERW Pipe (heavy grade) with necessary fittings like Elbow, flanges, bolts, nut and valve strainers, including supports complete as in water pipe lines including testing and commissioning complete all as specified and directed. |
| 62 | S&F 125 mm dia MS ERW Pipe (heavy grade) with necessary fittings like Elbow, flanges, bolts, nut and valve strainers, including supports complete as in water pipe lines including testing and commissioning complete all as specified and directed. |
| 63 | S&F 150 mm dia MS ERW Pipe (heavy grade) with necessary fittings like Elbow, flanges, bolts, nut and valve strainers, including supports complete as in water pipe lines including testing and commissioning complete all as specified and directed. |
| 64 | Taking down the damaged supply air insulation and its weatheration, weather proffing, cement plastering etc from the height upto 10 meters with necessary scoff holding arangement and clearing the site complete all as specified and directed. |
| 65 | M&L for carryout thermal insulation with 50 mm High density EP Sheet, and prepare the outer surface of the supply & install Return air ductand apply bitumised paint and fixing the EP sheet with industrial quality 40/90 grade bitumen compound and covering with tarcoated hassaain clothplasticrapping arroundthe duct, using 20x20 mm wire meshand 15 mm thick cement plastering, straping mesh arround theduct andplasteringcement plasteringon the surfaceof the ductandapply 2 coat oil based paint over a coat of white wash . The rate includes for the necessary scaffhoding or other arragement required as per site conditions complete all as specified and directed. |
| 66 | Supply fabrication, erection and testing of Supply /return air duct with 22 swg, G.I sheet 22 SWG sheet, including required bolts nuts, gasket packing, cross brasing with angle Iron flanges and fixing with necessary bolt & nuts, washer includingcuting and removal of damaged /corroded supplyreturn air return air duct of various sizes, taking down from height upto 10 meters, with necessary scaffolding arrangements as per the site conditions all as per the standard engineering practice complete all as specified and directed. |
| 67 | M&L for providing the rain water protection for supply & return air ducts which laid out sidethe air-conditioned hangers along side of the building wall for total length of the duct by G.C sheet of 22 SWG, fixing with suitable \"J\" bolts & nuts rubber washer on the supporting frame works with 40x40x6mm angle Iron, necessary cutting, welding and grouting /anchor fastner as per the site conditions. The work is at the height upto 10 meter from ground level. The G.C sheet fixing shall be as per the standard engineering practice complete all as specified and directed. |
| 68 | Taking down the damaged Themal insulation for supply & return air duct the Various AC plants and clearing the site and insulation disposing perished themocol, fiber glass wools, cement plaster derbis etc including transporting to GVMC damping yards complete all as specified and directed. |
| 69 | M & L in repair for duct insulation with resin bonded fibre glass wool roll of density 24 Kg/Cum, Covered with GI Chicken wire mesh and cladded with aluminium foil fixed with adhesive tape and covered with polythene sheet faced hessian cloth., GI Chicken wire mesh and claded with sand cement pasterthickness of insulation 40 mm complete all as specified and directed and including the following :-(a) M & L for cleaning the duct surface (to be insulated) by scrapping carefully with wire brush etc. to make the surface completely free of milllscale, dirt, dust, grease and other foreign materials, taking special care so that all duct joints are sealed against any leakage.(b) M & L for applying rubber based adhesive CPRX compound.(c) M & L for sealing of all longitudinal joints and circular overlaps with and including aluminium foil tape 50 mm wide, to make the insulation leakproof.(d) M & L for securing the insulation with and including mechanically fastened nylon / steel straps of size 12 mm / 50 mm at maximum intervals of 1.2 mtr. (e) The rate incluedfor working upto 12 mtr height for necessary staging for fixingthe ducting and insulation. |
| 70 | M&L for taking down the existing corroded unserviceable portion of MS flat angle iron supports /channels of various size fitted supply & return air duct and supply & fabrication, erction including apply two coat of enamel paint over one coat of anticorrosive primer, the work includes the neccessary cutting welding and grouting. All the work including soft folding upto 10 meter height from the ground complete all as specified and directed. |
| 71 | M&L for carry out the inner side cleaning & taking out the dust ducts of the various size at various AC plant by blow out and removal of complete dirt / dust particles by opening the grills/ service doorsby using air compressor/ vaccum cleaner, after cleaning fixing all the open covers / grills with necessary gas kit bolt nuts complete all as specified and directed. |
| 72 | M&L for carry out the repairs of supply & return air grills / difussers by taking down from the existing position carry out out the repairs and fixing back to position complete all as specified and directed. |
| 73 | M&L for fabrication, supply and fixing of new dampers as per the existing size with G.I sheet of 20 swg, neccessary frame works damper opening & closing leafs with stems and bushes num paintingboth sides, fresh air in take control leaver with locking arragments, aluminum painting fixing at positions, including necessary match good of the surfaceon the masonary wall, painting, the work includes providing of bird sceen on the air in take with requird wire mesh, flanges, bolts & nuts complete including Taking down the complete corroded fresh air damper of the various sizeat various Air Handling rooms of the AC plantall as specified and directed. |
| 74 | M&L for preparation of Insulation removed surface of the chilled water line for appling the bitumen base paint, anti-corrosive paint at rusted portion the angle ironsupports & claps /chanel supports/ etc.size of the chiiled water lines passing through the open airin between the chiller plant and for the following plant to AHUsboth chilled water supply & return line, the work includedneessary grouting /plastering of the supports in ground/walls as per the site conditions, bushes /small tree cutting /branches cuttingon the chiiled water line passing through complete including Taking down the damaged themal insulation of chilled water lines connecting in between the chiller plant room and AHUs of the Various AC plants and clearing the site and desposing perished themocol, fiber glass wools, cement plaster derbis etc including transporting to taking out side stn & clean area properly all as specified and directed for the following size . |
| 75 | 80 mm |
| 76 | 125 mm |
| 77 | 150 MM |
| 78 | M&L for Insulation of M S Pipe with PUF slab 40 mm thick with and including applying bituminuous compound and GI cladding with 26 gauge GI sheet, high themocol pipe sectionto the chilled water line by appling industrila quality betumin compoundof 40/90 grade, sealing the joints, covering with tar coatedhassian cloth, chicken mesh and 15 mm thick cement plasteringand painting all the work as per the site condition, height of the lines are includingand upto 5 meters of height. For the following size of chilled water lineat various AC plants complete all as specified and directed. |
| 79 | 80 mm |
| 80 | 125 mm |
| 81 | 150 MM |
| 82 | Supply & fixing aluminum cladingto the various size of chilled pipe linewith26 swg Al sheet, fabricating as per site requirements, such as Tee, elbow, and flange and fixing necessary sheet metal screws, making of necessary groove for over lapingjoints etc, complete including for taking downall as specified and directed. |
| 83 | M&L for taking down the return air ducting between AHU room and ACspace, fabrication erection of return air boxing with necessary angleiron channel and MS sheet, Thermal insulaion, and wheather proffingandpaintingwith betumin paint outer surface of the boxing, all the workat the heightuptoand upto 12 meters from the ground, the work including necessary scaff holdingand clearing the site, depositing the derbis complete all as specified and directed. |
| 84 | M&L for Applying two coats of synthetic enamel paint with spray gun of approved make and colour for cooling tower, condensing pipe line condenser water pumps including all pipe line valve etc upto 39 TR capacity AC plant complete includingpreparation of old painted surfaces by removing dust, rust etc and all as specified and directed. |
| 85 | M&L for preparation of old painted surfaces by removing dust, rust etc and applying two coats of synthetic enamel paint with spray gun of approved make and colour for cooling tower, condensing pipe line condenser water pumps including all pipe line valve etc upto 90 TR capacity AC plant complete all as specified and directed. |
| 86 | M&L for Charge for attending break down of AC plant of any capacity by onlyauthorised OEM rep/team for fault finding includingattending repairs as and when required such as no start condition of AC plant and repairing, starting the AC plant till smooth running and setting up the alignment required parameter of all major parts such as compressor/ condenser/cooling tower /microprocessor based central plant, as required in ground as ordered complete all as specified and directed. |
| 87 | S&F Y type Strainer 80 mm dia including all accessories, packing, gasket, nuts and bolts including taking down old unserviceable strainer complete all as specified and directed. |
| 88 | S&F Y type Strainer 125mm dia including all accessories, packing, gasket, nuts and bolts including taking down old unserviceable strainer complete all as specified and directed. |
| 89 | S&F AHU fan V belt of existing size at site, complete all as specified and directed. |
| 90 | M&L for taking down thefor replacing cooling tower hubmotor base frame, base plate nuts& bolt with new all as per the existing size and shape complete all as specified and directed. |
