REPAIR/REPLACEMENT AND SERVICING PARTS OF AC PLANTS ,VRV AND NORTH SIDE OF RUNWAY AND ALLIED WORKS AT AF STATION JODHPUR

Amount

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

Supply and filling of compressor oil (mineral) suitable for voltas water cooled recirocating chillers model 5H 60/5 H 66

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, suitable 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 50 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.

M & L for replacement of microcomputer voltage protection device(MVPD) with display complete model-EC, Type-MVPD, Range 30-220 Amps,Aux supply-230V,Special -5 sec Curve MPD make -SOFTHARD.

Material & Labour for finding out the leakage with the pressure test of water chiller scroll type capacity up to11 TR, 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 as supply only.

Ditto all as per Ser item No 6.00 above but capacity up to11 TR to 25 TR,

Ditto all as per Ser item No 6.00 above but capacity up to 25 TR to 60 TR,

M&L for taking out unserviceable sealed unit (compressor) as existing and replacing the same with new packaged type sealed unit (compressor) 12.5 ton capacity ,model-SZ185S4RC , three phase, 415 volt of models Danfoss make including necessary modification of the foundation as required to suit the compressor, flushing the sysytem by nitrogen gas and pressure testing for leakage and rectified (by brazing) 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 as supply only.

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 HP/LP switch suitable for scroll compressor cap up to 12.5 TR all as per specified 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 replacement of chilled water sensor complete all as specified and directed

M&L for replacement of micro processor controller panel, Digital display of all vital parameter for water cooled scroll type chiller plant as per sample Model No-SCR44TR(MPD) ,Type -DELUX Range-5-30 Amp , Make-SOFTHARD or equivalent 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 repairs of condenser/chiller pumps from 2HP Upto 7.5 HP including dismantling of Pump of following capacity and segregating to its parts for repairs and maintenance, replacement only of shaft bearing, impeller key, shaft sleeve, impeller and grinding / polishing, bend removing etc complete including painting by two coats of synthetic enamel paint reassembling of pump after completion of work & testing complete all as per direction and satisfaction of Engineer in charge. Note:- Supply only of bearing and sleeve, impeller will be measured and paid under relevent item of work.

Supply and fix in replacement of srare parts of pumps sets (To be incorporated under respective item above ) :- (a) Shaft bearing as per existing specifications.

(b) Shaft sleeve as per existing specifications.

(c) Impeller with key as per existing specifications.

(d) Mechanical Couplings as per existing specifications.

(e) rubber type coupling as per existing specifications.

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) 1 to 2 HP

(b) 3 to 5 HP

(c) 7.5 to 10 HP

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

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.

Ditto all as per Ser item No 21.00 above but cooling tower suitable for 25- 60 TR capcity

supply and fix in replacement of Cooling Tower Sprinkler Assembly such as Sprinkler, Sprinkler Pipe, Elimentor, Tension bar and Turn buckle for Cooling Tower capacity 160/120/100 TR as existing on site make :-MIHIR or equivalent suitable as per existing and ali as per directed by engg in charg

supply and fix in replacement of Cooling Tower Sprinkler Assembly such as Sprinkler, Sprinkler Pipe, Elimentor, Tension bar and Turn buckle for Cooling Tower capacity 50 TR/30/22/37.5/12.5TR TR nosal type /sprinklar type as per existing make :-Delta or equivalent suitable as per existing and ali as per directed by engg in charge.

S&F in replacement of of PN 1.6 butterfly valves size 125 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

Ditto all as per Ser item No 25.00 above but size 100mm.

Ditto all as per Ser item No 25.00 above but size 80mm.

Ditto all as per Ser item No 25.00 above but size 65mm.

Material and labour for replacement of rotational moulded polyethylene water storage tank (cylinderical vertical with closed top) of cap 2000 ltrs hoisted and fixed in position all as specified in SSR Part-I

M & L for Descaling the condenser by descaling compound / hydrochloric acid by soaking method,disconnecting condensor 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

b)Ditto all as per Ser item No 36.00 above but chiller unit cap 50 TR

c)Ditto all as per Ser item No 36.00 above but chiller unit cap 37 TR

d)Ditto all as per Ser item No 36.00 above but chiller unit cap 20 TR

e)Ditto all as per Ser item No 36.00 above but chiller unit cap 12.5 TR

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

M&L for replacement of' V Belt of A & B Series any sizes for AHU 's as per site requiement complete all as specified and directed

Supply and fix in replacement of water presuure gauge 0-7 kg / cm2 including Female Stainless Steel Gauge Fittings INCLUDING ball valve 5/8", type Make Febig or equivant suitable makes as per appx 'B' complete all as specified and directed

S&F in replacement of thermometer to condenser/chiller, inlet or outlet water pipes including addition alteration to pipe line for fixing thermometer Range 0-100 degree F / degree centigrade complete all as specified and directed

M&L for replacement of 25 mm dia. Auto Air Purge valve for chilled water piping complete all as specified and directed.

M&L for replacement of stop valve 15 mm dia complete all as specified and directed..

S&F in repairs worn out HRC fuses (Cylindrical / DIN type / Bolted) conforming IS 13703 Part - II with high breaking capacity suitable for existing holders all as specified and as directed for the following capacities :- (a) 10 Amps to 100 Amps

S&F in repairs worn out fuses (Cylindrical / DIN type / Bolted) conforming IS 13703 Part - II with high breaking capacity suitable for existing holders all as specified and as directed for the following capacities :- (a) 2Amps to 10 Amps

Supply and fix in replacement of PVC insulated 4 Core copper Cable of size 6 Sqmm complete all as specified and directed

M&L for replacement of Indicating Light, 240V AC, LED Type Red, Yellow, Blue complete all as specified and directed

M&L for replacement of Mushroomhead Push Button, Press to Lock Turn To Release complete all as specified and directed

M&L for replacement of ON/OFF Push Button complete all as specified and directed

M&L for replacement of repair of thermal Relay MNX 32A 3-6 Amp complete all as specified and directed

M&L for replacement of thermal Relay MNX 32A 6-10 Amp complete all as specified and directed

M&L for replacement of thermal Relay MNX 32A 10-16 Amp complete all as specified and directed

M&L for replacement of MNX -A1 size contactor complete all as specified and directed

M&L for replacement of MNX -A2 size contactor complete all as specified and directed

M&L for replacement of MNX 32A contactor with NO/NC switch complete all as specified and directed

M&L for replacement of MNX 18A contactor with NO/NC switch complete all as specified and directed

M&L for replacement of MNX 12A contactor with NO/NC switch complete all as specified and directed

M&L for replacement of Timer GIC star/delta complete all as specified and directed

M&L for replacement of connector for suitable to chiller panel complete all as specified and directed

M&L for replacement of starter block contactor 3TF34-C3 with NO/NC switch complete all as specified and directed

M&L for replacement of starter block contactor 3TF46-C3 with NO/NC switch complete all as specified and directed

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

Supply and Fixing in replacement of MCCB 160 Amp 4 Pole 25 KA thermal megnatic type complete all as specified and directed

Supply and Fixing in replacement of MCCB 100 Amp 4 Pole 16 KA thermal megnatic type complete all as specified and directed

Supply and Fixing in replacement of MCB TP C63 Amp 415 Volt complete all as specified and directed

Supply and Fixing in replacement of MCB TP C40/32 Amp 415 Volt complete all as specified and directed

M&L for taking out unserviceable sealed unit (compressor) scroll type for tower AC 4 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 taking out unserviceable sealed unit (compressor) scroll type for CASSETE AC 5.5 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 Al Fan blade for out door Fan motor assembly suitable for ductable AC 5.5/8.5 ton capacity Make - Hitachi/Danfoss/Tecumesh

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 PCB control card set complete suitable for CASSETE 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 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

M&L for replacement of PCB control card set complete suitable for VRV CASSETE AC OUTDOOR UNIT CAPACITY UPTO 32HP INVERTOR/NON INVERTOR requirement complete and testing the AC after the replacement of PCB as specified

Supply and fix thermometer humidity meter clock with sensor cable Temperature and Humidity Functions: With temperature range from -10 degC to +50 degC and humidity 10 % sim 99 % RH, temperature and humidity readings show directly all as per directed

S &F in replacement of humidistat H6000 to control humidity range 15 to 80 % RH all as per specified and directed .

Painting of AC plant complete equipments (MS pipes ,cooling tower,chiller unit,pumps and motors ) with proper color code,removal of rust and old paint ,and painting of SM /MES no of machines as per directed by engineer in charge

Supplying and laying synthetic Rubber insulated mats 2 mm thick for voltage upto 3.3 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m. As directed

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.

Supply and fix of multifunction meter voltage, ampere, power,power factor measureable accuracy class 1 for 3 phase panel including setting the parameter with CT as directed

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 in repair of MS Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of sizes 65MM with FRP insulation as directed

M&L in repair of MS Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of sizes 80MM with FRP insulation as directed

M&L in repair of MS Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of sizes 100MM with FRP insulation as directed

M&L in repair of MS Pipes heavy grade with all fittings laid in floors or fixed to walls and ceilings etc of sizes 125MM with FRP insulation as directed

Supply and fix in repair Y staineer filter as per existing size and make as directed

Supply and fix in replacement of GI pipe mediam grade of size 25mm used in ac plant with required accessoried and labour work as directed

Supply and fix in replacement of GI pipe mediam grade of size 40mm used in ac plant with required accessoried and labour used in ac plant as directed

Supply and fix in replacement of float valve of size 25m used in ac plant with required accessoried and labour as directed

Supply and fix in replacement of float valve of size 40m used in ac plant with required accessoried and labour as directed

M&L for replacement of electrical strip heater ,finned type ,capacity 2 kw consisting of stainess steel sheathing having heat resistent chrome -nickel 80/20 element protected under best insulation to avoid the leakage of current and with screwed type terminal at one end, 240 volts, AC, 50Hz ,single phase complete all as specified and as directed.

Supply,installation,testing and commissioning in repair of 3 way mixing/ diverting valve of siz 65 mm dia with proportional cooling only thermostats for the Air Handling Units complete with required controls wiring/installation kit etc. As per specifications and make existing on site as directed

Supply,installation,testing and commissioning in repair of 3 way mixing/ diverting valve of size 80 mm dia with proportional cooling only thermostats for the Air Handling Units complete with required controls wiring/installation kit etc. As per specifications and make existing on site as directed

Supply,installation,testing and commissioning in repair of 3 way mixing/ diverting valve of size 100mm dia with proportional cooling only thermostats for the Air Handling Units complete with required controls wiring/installation kit etc. As per specifications and make existing on site as directed

Supply,installation,testing and commissioning in repair of 3 way mixing/ diverting valve of size 125mm dia with proportional cooling only thermostats for the Air Handling Units complete with required controls wiring/installation kit etc. As per specifications and make existing on site as directed

Providing and fixing in repair FRP lining of 6 mm thickness on cooling water piping near cooling towers to minimize corrosion of MS piping of 65mm diameter as directed

Providing and fixing in repair FRP lining of 6 mm thickness on cooling water piping near cooling towers to minimize corrosion of MS piping of 80mm diameter as directed

Providing and fixing in repair FRP lining of 6 mm thickness on cooling water piping near cooling towers to minimize corrosion of MS piping of 100mm diameter as directed

Providing and fixing in repair FRP lining of 6 mm thickness on cooling water piping near cooling towers to minimize corrosion of MS piping of 125mm diameter as directed

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.

M &L for WATER JET servicing of package type AC 's cap 7.5/5.5/11TR complete indoor and out door unit from existing location for servicing inner and outer filter complete with T&P and other accessories as directed.

M&L for replacement of scroll complressor three phase 4.5KW model no JT170G-KYE MAKE DAIKIN non invertor type for VRV unit including taking out the old compressor for existing VRV unit and fixing the new with necessary copper pipe connection including gass charging R-410A and testing the same in presence of engineer in charge.

Supply, installation, testing and commissioning of 30 TR capacity FRP bottle shaped cooling tower complete with FRP basin, PVC fills, SS sprinkler pipe, FRP body, hot dip galvanized suction and discharge screen, access ladder, weather proof electric motor, die cast aluminium / FRP blade Fan, Motor guard, Inlet, Outlet, quick fill, drain and over floor nozzle connections, hot dip galvanized motor access ladder etc.as direct.

M & L for servicing of water cooled reciprocating chiller unit capacity 60 TR first checking of all safety controls & setting parameter, electrical panels pneumatic testing and leak testing ,before start over hauling first to do proper pump down the compressor unit and drainout the old compressor oil ,cleaning the oil chamber and replacement of defective compressor assessories and reassembling the compressor after over hauling, charging the compressor fresh oil, start & testing the compressor net oil, off load & full load testing completely up to entire satisfaction of Engineer-in-Charge. NOTE:- (i) The spare parts required for replacement shall be measured and paid separately as supply only. (ii) All spare parts shall be of make Voltas.

M & L for servicing of water cooled reciprocating chiller unit capacity 50 TR make: Voltas model No. 5 H 60. make:voltas model no. 5 H 60(IACCS 33 SU) first checking of all safety controls & setting parameter, electrical panels pneumatic testing and leak testing ,before start over hauling first to do proper pump down the compressor unit and drainout the old compressor oil ,cleaning the oil chamber and replacement of defective compressor assessories and reassembling the compressor after over hauling, charging the compressor fresh oil, start & testing the compressor net oil, off load & full load testing completely up to entire satisfaction of Engineer-in-Charge. NOTE:- (i) The spare parts required for replacement shall be measured and paid separately as supply only. (ii) All spare parts shall be of make Voltas.

(i) The spare parts required for replacement shall be measured and paid separately as supply only. (ii) All spare parts shall be of make Voltas. (a) Supply only Crank shaft

(b) Supply only shaft seal assembly

(c) Supply only oil seal plate

(d) Supply only pump end bearing

(e) Supply only seal end bearing

(f) Supply only connecting rod bush bearing

(g) Supply only oil pump 5H40 BRG HD

(h) Supply only piston

(i) Supply only piston pin

(j) Supply only 5h connecting rod assy

(k) Supply only NYL NUT 7/16'' UNF

(l) Supply only Brg con rod 5h

(m) Supply only cylinder sleeve

(n) Supply only D V SPRING 5H40

(o) Supply only D V lock washer (valve guide lock)

(P) supply only oil pressure regulator valve

(q) Supply only piston ring

(s) Supply only suction reed valve

(t) Supply only discharge reed valve

(u) Supply only oil filter

(v) Supply only thrust washer -pump end

(w) Supply only thrust washer -seal end

(x) supply only gasket set

(y) supply reed spring

(Z) supply PRSS TRMIT 0-30 BAR AKS 3000(060G1081) suction/discharge/oil

(aa) supply and fix liquid line strainer

Shri Electrical Enterprises

L C ASSOCIATES