REPAIR/REPLACEMENT AND SERVICING PARTS OF AC PLANTS AT TOWER SITE A AND B AND OUTER AREA UNDER GE AF NO 2 JODHPUR

Amount

Material & Labour for finding out the leakage with the pressure test of water chiller scroll type capacity 25 to 60 TR of each chiller unit , identifing gas and oil leakage and removing the same and Leak repairing by brazing/flaring and flushing the sysytem by nitrogen gas and pressure testing for leakage and rectified and after rectification vacumacation, pressure testing, and gas charging R-407c for achieve desire pressure and testing complete to the entire satisfaction of Engineer-in-Charge NOTE :- Gas charging required shall be measured and paid separately .

M&L for charging of refrigerant R-407c Gas . (Make:- Mafron/ Feron/floron/du point) complete all as specified and directed

M&L for replacement of thermostatic expansion valve suitable for water cooled scroll chiller unit cap 25/37/50 TR all as per sample, including brazing at both ends all as required and directed.

M&L for replacement of Drier filter suitable for Package type AC Plant size 5/8" Make: Catch All Model : C-165

M & L for Descaling the chiller and compressser unit by descaling compound / hydrochloric acid by soaking method,disconnecting chiller unit from the system by taking out nuts, bolts, studs, valves and MS/GI pipe line from both side cover, cleaning each tube with nylon brush,flushing with alkaline solution,connecting back both side cover including replacingleather gasket 4 mm thick for following capacities of condensers suitable for AC Plant installed as indicated below complete all as specified and directed and all as per manufacturers instruction and to the entire satisfaction of Engineer-in-charge. (a) chiller unit cap 25 to 60 TR

M&L for disconnecting electrical connections motor located at the top of cooling tower,keep cables at safe custody for reconnection and dismantling and taking out fan blade assembly along with motor mounted on base frame at the top of cooling tower after cutting/dismentaling all nuts, bolts and fixtures from the mounting frame and removing whole assembly including motor and base frame from the top of cooling tower with the help of T&P for servicing of cooling tower suitable for 100-120 TR capcity including following complete:- (i) Cleaning /scrapping of inner& outer surface of FRP basin, repair of damaged portion if any incuding FRP lining of all surfaces joints to avoid leakage including replacement of all nuts and bolts joining all parts of Basin complete. (ii) servicing cooling tower plant through cleaning re-agent complete pipe line, including servicing of cooling tower motor and fan and make the necessary alignment with motor. (iii) replacement of bearing if any of suitable cap if any after necessory work including gressing and replacement of nut bolts and preventing leakage if any by means of suitable adetives etc all as directed and specified. (iv) taking out PVC fills blocks, cleaning and refixing as per existing location and channel direction if pvc fills vintage then replace with new one measure seprately . (v) servicing of spray header and sprinkler assy complete. (vi) repair of water strainer complete.

Supply and fixing Pressure switch 0-30 BAR AKS 3000(060G1081) suction/discharge/oil pressure as directed

Supply and filling of compressor oil ultra 32-3MAF polyolester oil suitable for Carrier air cooled compressor make -mkarrate /copeland

Supply and charging for refrigerant R-22 Gas (Make:- Mafron/ Feron/floron ) complete all as specified and directed.

M&L for replacement of micro processor controller panel, suitaable for voltas water cooled recirocating chillers model 5H 60/5 H 66 Digital display of all vital parameter for water cooled reciprocating pkg chiller plant 60 TR as per sample Model No-VLRP SINGLE V2A,Type -DELUX Range-6/5/4 ,Aux supply-8v &12 V, Make-SOFTHARD or equivalent complete all as specified and directed.

Supply and fixing of membrane expansion tank for air cooled ac plant 12 TR to 30 TR as specified and directed by Engineer-in-charge.

Supply and charging for refrigerant 410 Gas (Make:- Mafron/ Feron/floron ) complete all as specified and directed.

M & L for replacement of microcomputer voltage protection device(MVPD) with display complete model-EC, Type-MVPD, Range 5-30 Amps,Aux supply-230V,Special -5 sec Curve MPD for 37.5 TR/50TR/25TR CHILLER make -SOFTHARD or equivalent complete all as specified and directed

M & L for repairing /Disconnecting the electrical and mechanical connection of burnt electrical motors from the site / location, transporting to and from to work shop. Rewinding of electrical motors/ pump motors by dismantling and removing the burnt cut copper winding wire cleaning the slots of stator with petrol and brushes winding polyster based super enamelled copper wire of same gauge of original one with proper class of insulation including varnishing and heating the coil and remove air bubbles complete stator / roter after rewinding reassembling all parts including reinstalling connection to original position and testing on full load all as directed by Engineer in charge for different capacity of motor as per following :- (a) 7.5 to 10 HP

M&L for replacement of Thermostat Honey well 0-30 degree C

M & L for Descaling the Condenser by descaling compound / hydrochloric acid by soaking method,disconnecting Condenser from the system by taking out nuts, bolts, studs, valves and MS/GI pipe line from both side cover, cleaning each tube with nylon brush,flushing with alkaline solution,connecting back both side cover including replacingleather gasket 4 mm thick for following capacities of condensers suitable for AC Plant installed as indicated below complete all as specified and directed and all as per manufacturers instruction and to the entire satisfaction of Engineer-in-charge. (a) chiller unit cap 60 TR TO 25 TR

S&F in replacement of of PN 1.6 butterfly valves size 100 mm duly insulated with companion flanges,nuts,bolts,gaskets etc.as specified . butterfly valves with cast iron body, seat of black nitrile rubber ,nylon coated S.G.iron disc,epoxy powder coated shaft AISI 410 etc.complete all as specified and directed. Make Audco/castel/kirloskar

S&F in replacement of air filter for AHU, Filter section consists of 50 mm thick washable HDPE 90% down 10 micron Pre-Filters, AHU pre filter having HDPE media with aluminium / GI frame & filter as per the existing size of 600mmX600mmX50/40 mm mm complete all as specified and directed. (Make :- Supreme/Athlete or equivalent

Supply and Fixing in replacement of MCCB 400 Amp 4Pole 36 KA thermal megnatic complete all as specified and directed

Supply and Fixing in replacement of MCCB 250 Amp 4 Pole 36 KA thermal megnatic type complete all as specified and directed

M&L for taking out unserviceable sealed unit (compressor) scroll type for CASSETE AC 4 ton capacity , SINGLE phase, 415 volt of models as existing and replacing the same with new packaged type sealed unit (compressor) of Hitachi/Danfoss/daikin/copeland make including necessary modification of the foundation as required to suit the compressor, vacumacation, pressure , testing, leaking, rectification including gas charging R-22/407/410 for achieve desire pressure and testing complete to the entire satisfaction of Engineer-in-Charge

M&L for taking out unserviceable sealed unit (compressor) scroll type for CASSETE AC 2.8 ton capacity , three phase, 415 volt of models as existing and replacing the same with new packaged type sealed unit (compressor) of Hitachi/Danfoss/daikin/copeland make including necessary modification of the foundation as required to suit the compressor, vacumacation, pressure , testing, leaking, rectification including gas charging R-22/407/410 for achieve desire pressure and testing complete to the entire satisfaction of Engineer-in-Charge

M&L for replacement of PCB control card set complete suitable for Tower AC of any capacity 4.0 TR requirement complete and testing the AC after the replacement of PCB as specified

M&L for replacement of HP valve suitable for water cooled scroll chiller unit cap 25/37/50 TR all as per sample, including brazing at both ends all as required and directed.

M&L for replacement of PCB control card set complete suitable for CASSETE AC of any capacity 3.5 TR requirement complete and testing the AC after the replacement of PCB as specified

M&L for replacement of LP valve suitable for water cooled scroll chiller unit cap 25/37/50 TR all as per sample, including brazing at both ends all as required and directed.

M&L for replacement of PCB control card set complete suitable for VRV CASSETE AC INDOR UNIT CAPACITY UPTO 4.0 TR requirement complete and testing the AC after the replacement of PCB as specified

Supply and fix of cooling tower PVC honey comb fills in colums of size 600mm x 300mm x 150mm size and min wt 600 gram of capacity 15 TR to 150 TR for the following Make : Kool Drop / MIHIR / ADVANCE / HIMGIRI per existing specification and requirement.

M&L in replacement for duct insulation highly flexible closed cell thermal insulation of 19mm thickness of elastomeric foam based on synthetic rubber laminated with 12 micron aluminium foil fencing with reinforced glass scrim and addehessive rubber coating class BS 476 as directed by engineer in charge

M& L for repair for humidifier including cleaning of tank ,replacement of heater of 2KW ,painting of tank with corrosion less paint ,rewiring of electrical panel as directed by engineer in charge

M&L for WATER JET servicing of VRV (complete indoor and outdoor unit by using service bag cover & cooling coil rinse solution for cleaning of coils),cassette type AC of 2.5/3.0/4.0/5.0 HP capacity taking out the indoor top cover outdoor top cover from existing location, cleaning of cooling coil , condenser coil, and other components using clean water greasing of fan, motor, blower etc without damage any part and reinstall at the same location all as directed by the Engineer-in-charge.

PANKAJ ENTERPRISES (BID ID -3135191)