REPAIR AND REPLACEMENT AND SERVICING PARTS OF AC PLANTS ,VRV 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, 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 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 item above but capacity up to11 TR to 25 TR,

Ditto all as item above but capacity up to 25 TR to 50 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

Supply and fix in replacement of microprocessor based computer controlled PLC make Blue star capacity 5.5TR PACKAGE TYPE unit make softhard for air cooled package type chiller unit .

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

Supply and fix in replacement of microprocessor based computer controlled PLC make Blue star capacity 11TR PACKAGE TYPE unit make softhard for water cooled scroll chiller unit .

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 only spare 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 item 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 120/100 TR model no 9062 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 charg

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 item above but size 100mm.

Ditto all as per item above but size 80mm.

Ditto all as per item above but size 65mm.

Material and labour for replacement of rotational moulded polyethylene water storage tank (cylinderical vertical with closed top) of cap 1000 ltrs hoisted and fixed in position including 20 mm dia ball valves high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe 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 replacing leather 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 item above but chiller unit cap 50 TR

c)Ditto all as per item above but chiller unit cap 37 TR

d)Ditto all as per item above but chiller unit cap 25 TR

e)Ditto all as per item 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 bore, cast copper alloy screwed down high pressure, with crutch of butterfly handle, screwed both ends for iron pipe 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 thermal Relay MNX 32A 3-6 Amp of make as per existing complete all as specified and directed

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

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

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

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

Supply and Fixing in replacement of MCCB 100 Amp 4 Pole 16 KA thermal megnatic adjustable 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 replacement of Aluminium 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 per the existing make complete all as specified and directed by Engineer-in-Charge.

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 .

M & L for 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 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 by Engineer-in-Charge.

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 measureable accuracy class 1 for 3 phase panel including setting the parameter with CT as directed

Supply installation testing and commissioning in replacement evoperator shell and tube type including insulation with nitrile rubber as per OEM having maximum working pressure tube side 250PSI at 150 degree F and shell side 150PSI at 150 degree F and pneumetic test pressure tube side 315PSI and shell side 190 PSI suitable for 25TR scroll chilled water unit make voltas Model No 10036-2 suitable for chiller unit Make voltas model no:-WCDS05DPMN2X1 as directed by engineer in charge.

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

Panwar Electricals

M/s R K Enterprises