REPAIR AND MAINTENANCE OF CHILLED CENTRAL PACKAGE SPLIT WINDOW TYPE AIR CONDITIONERS AT ARDE PASHAN UNDER GE RD PASHAN

Amount

Material and labour for disconnecting and dismantling of compressor of central Air conditioning plant 35 TR by putting plates to the suction and discharge valve by taking down the crank shaft and reinstalled in the position with correct alignment after cleaning, overhauling of Compressor including removing unserviceable /damaged internal parts cleaning overhauling complete replacement of worn out parts such as suction reed, discharge reeds, Cylinder liners, Loading / unloading system compressor spring, Washers nut bolts, Gaskets, shaft seal, unserviceable flanges sockets "O" ring, cutting, metalising, grinding, balancing the crank shaft if required & reassembling the compressor including changing the compressor oil, leak testing with Nitrogen, repairing leakages & charging R-22 gas, testing/ commisioning complete of Any Make as existing at site including replacing of minor parts as Required at site of any make and capacity as per site , here in after in respective items of Schedule “A” as supply only including supply and fixing minor required itemscharging of compressor oil and refrigerant completely including transportation to work shop and back and performance testing for 08 hours to achieve desired performance parameter complete all as specified and directed by Engineer-in-charge. Notes for item No 1.0 (i) Refrigerant Gas (R-22) and compressor oil required shall be paid separately as supply only under respective item of Sch (A). (ii) The cost of labour charges for fixing of spare parts in compressor charging of oil and gas including minor spare parts if any required at the time of repair is deemed to be included in the quoted rate of the item. (Iii) Major Spares for overhauling of compressor will be measured and paid separately under item No 2-16. (iv) Cost of additional minor spares,accessories,fasteners deemed assential for make machine fully serviceable is deemed to be included in quoted rate

Supply only defective worn out spare parts of compressor for the following complete all as specified and directed:- Make : Kirloskar FK 4 6.5/12.5/15 TR, AC 470 35 TR and as per existing at site (a) Piston assembly aluminium alloy complete (Piston withPiston pin piston rings and scraper rings complete).

(b) Piston pin, Piston ring oil/compression

(c) Suction and discharge valve seat with valve retaining plates and ring plates, discharge valve with spring guide, valve bolts and discharge valve Nuts complete.

(d) Main bush bearing/ Bushing with collar for crank shaft as per site requiement

(e) Gasket Set (Packing kit) for compressor complete including top cover, side cover, end cover and bearing cover complete.

(f) Connecting rod alumunium alloy any specification with small end and big end bearings

(g) Rocker including unloading cylinder, Rocker springs, Rocker spring holder / Retainer with and including, Spring guide unloading mechanism complete

(h) Suction strainer as per existing specifications

(j) Neoprene 'O' ring set compression rings and O rings complete set with aluminium washer complete kit

(k) Oil Strainers and oil filters assy complete

(l) Guide for Discharge valve

(m) Oil pump Assy as per existing specifications

(n) suction and discharge reeds with 'O' ring complete.

(o) Cylinder liner cast steel as per existing specifications

(p) Safety valve assembly

Supply and fix in repairs wornout crankcase heaters of compressor of Make : Kirloskar FK 4 6.5/12.5/15 TR, AC 470 35 TR and as per existing specifications at site complete all as specified and directed.

Supply and fix in repairs shaft seal assembly for vaious models of compressors of Make : Accel / Kirloskar complete all as specified and directed.

Material and labour for descaling of shell and tube type water cooled condenser of capacity 5 to 7.5 TR with MS shell and intergral copper tubes with safety valve with cleaning agent including nitrogen flushing / descaling compound and through cleaning with descaling nylon brush with rod and circulating by descaling pump including repalcement of gasket set, nuts and bolts and leak testing after descaling / cleaning of condenser unit complete all as specified and directed by Engr-in-Charge.

Material and labour for descaling of shell and tube type water cooled condenser of capacity 8 to 15 TR with MS shell and intergral copper tubes with safety valve with cleaning agent including nitrogen flushing / descaling compound and through cleaning with descaling nylon brush with rod and circulating by descaling pump including repalcement of gasket set, nuts and bolts and leak testing after descaling / cleaning of condenser unit complete all as specified and directed by Engr-in-Charge.

Material and labour for descaling of shell and tube type water cooled condenser of capacity 16 to 20 TR with MS shell and intergral copper tubes with safety valve with cleaning agent including nitrogen flushing / descaling compound and through cleaning with descaling nylon brush with rod and circulating by descaling pump including repalcement of gasket set, nuts and bolts and leak testing after descaling / cleaning of condenser unit complete all as specified and directed by Engr-in-Charge.

Material and labour for descaling of shell and tube type water cooled condenser of capacity 21 to 35 TR with MS shell and intergral copper tubes with safety valve with cleaning agent including nitrogen flushing / descaling compound and through cleaning with descaling nylon brush with rod and circulating by descaling pump including repalcement of gasket set, nuts and bolts and leak testing after descaling / cleaning of condenser unit complete all as specified and directed by Engr-in-Charge.

Material and labour 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 any capcity including following complete all as specified and directed :- (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 all as specified and directed. (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. (v) servicing of spray header and sprinkler assy complete. (vi) repair of water strainer complete.

Supply only spare parts of cooling tower any capacity for the following Make : Kool Drop / MIHIR / ADVANCE / HIMGIRI complete all as specified and directed. :- (a) PVC fills (Big size) in colums of size 60 x 30 x 15 cm or next higher size as per existing specification and requirement.

(b) PVC fills (small size) in colums of size 60 x 15 x 15 cm or next higher size as per existing specification and requirement

(c) Roler bearing/Pedestal bearings for fan motor as per sample of make SKF

(d) Ball / Roller bearing for Sprinkler top and Bottom Hub for 5 TR to 15 TR capacity

(e) Ball / Roller bearing for Sprinkler top and Bottom Hub for 16 TR to 30 TR capacity

(f) Sprinkler Hub top and bottom portion with PVC pipe and cap complete set for capacity 15 to 30TR

(g) Sprinkler Hub top and bottom portion with PVC pipe and cap complete set for capacity 5 to 7.5 TR

Supply and fix toggle switch one way 5 Amps including control wiring and lugs if any

Supply only spare parts of AHU of capacity 5 TR to 60TR for the following Make : Kool Drop / AIRCON / ZECO as per sample of existing make availale at site complete all as specified and directed. (To be incorporated under item above) (a) Roller bearing/ball/taper bearings for blower motor as per sample of make SKF

(b) Ball / Roller bearing/Pedestal for Blower shaft or as per existing specifications.

Material and labour for servicing and cleaning of cooling coil 4-6 rows deep of capacity 5 TR to 60 TR through cleaning agent and remove the oil and dust from fins and cooper tubes/ pipes complete checking of copper tubing for leakage maching/ repairing /brazing of leakaged tubes complete including sealing of joints complete all as specified and directed by Engineer in charge.

Material and labour for repair of spray water type dehumidification system of air handling units complete by Pressurized cleaning of spray water header with nozzle complete including replacement of following unservicible following parts complete all as specified and directed :- (a) Replacement of unserviceable Spray water nozzle if any. (b) Replacing Flexible PVC pipe Heavy duty of 20 mm dia complete from water tank to dehumidifier pump. (c) Repairing GI pipe medium grade of 20mm dia with fittings. (d) Rewinding & repairing Dehumidifier pump 1 Phase, 240V 0.5 HP to 1 HP capacity - 01 Nos.

Supply in repair of defective worn outunserviceale spare parts of hot water generator of capacity 10KW to 50KW for Make as per sample of existing make availale at site complete all as specified and directed :-. (a) Heater Rod 3KW, suitable 1 PH, 415V AC supply as per sample.

(b) Heater Rod 9KW, suitable 3 PH, 415V AC supply as per sample.

(c) Duct / strip Heater 2 Kw Suitable 1 PH, 230V ac Supply as per sample

(d) duct/ Strip Heater 3/4 Kw sutibale 1 PH, 230v AC supply as Per sample

(e) Terminal heater plate suitalble for a & b Nos ofheater rods including control circuit.

(f) Thermostate and control switch ON/OFF assy control auto and manual paramerters.

Material and labour for repairs to condenser/chiller pumps 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. Notes : (i) Supply only of bearing and sleeve, impeller will be measured and paid under relevent item of work. (ii) As any missing of items / part is dimmed to include in quoted rate. (a) from 3 HP Upto 7.5 HP

(b) above 7.5 HP to 15 HP

Supply only of spare parts of pumps sets (To be incorporated under respective item above ) complete all as specified and directed :- (a) Shaft bearing up to 3 HP pumpset as per existing specifications.

(b) Shaft sleeve up to 3 HP pumpset

(c) Impeller up to 3 HP pumpset

(d) Impeller Keys of 3 HP pumpset

(e) Shaft bearing 5 to 7.5 HP pumpset

(f) Shaft sleeve of 5 to 7.5 HP pumpset

(g) Impeller of 5 to 7.5 HP pumpset

(h) Impeller Keys of 5 to 7.5 HP pumpset

(j) Shaft bearing of pumpset above 7.5 HP up to 10 HP

(k) Shaft bearing for 10 HP up to 15 HP pumpset

(l) Shaft sleeve of pumpset above 7.5 HP up to 10 HP

(m) Shaft sleeve for 10 HP up to 15 HP pumpset

(n) Mechanical Couplings for Pumpset 3 HP up to 5 HP pumpset

(o) Mechanical Couplings for Pumpset 7.5 HP up to 15 HP pumpset

Material and labour for disconnecting from main supply, Dismantling and taking out carefully squirrel cage induction motor 3 Phase, 415V AC from existing foundation and taking to workshop for servicing and necessary repair including fixing of unserviceable parts as ordered here in after in respective items of Schedule “A” as supply only including supply and fixing minor required items likes nuts, Bolts , washers, Carry out Misc repairs and, Reassembling, testing and commisssioning the motor after repair including transportation from site to workshop complete all as specified and directed for the following capacity :- (a) 1 HP to 2 HP

(b) 3 HP to 5 HP

(c) 7.5 HP to 15 HP

(d ) 16 HP to 40HP

Rewinding of electrical motors/ pump motors by dismantling and removing the burnt cut copper winding wire cleaning the slots of stator with petrol (taking down under item No 20) 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 complete all as specified and directed by Engineer in charge for different capacity of motor as per following :- (a) 1 HP to 2 HP

(b) 3 HP to 5 HP

(c) 7.5 HP to 15 HP

(d ) 16 HP to 40 HP

Supply only Ball bearing for squirral cage induction motor of capacity 5 HP to 10 HP complete all as specified and directed.

Supply only Ball bearing for squirral cage induction motor of capacity 12 HP to 40 HP complete all as specified and directed.

Supply and fixing in repairs of C-1 butterfly valve with maching double flanges , gasket, necessary hardware complete all as specified and all as directed for the following size a) 50 mm dia bore

b) 80 mm dia bore

Supply and fix in repairs of thermal expansion valve suitable for 5 to 15TR chilled water Central type AC plant system all as per sample, including brazing at both ends complete all as required and directed.

Supply and fix in repairs of thermal expansion valve suitable for 16 to 35 TR chilled water Central type AC plant system all as per sample, including brazing at both ends complete all as specified and directed

Material and labour for locating and identifing gas and oil leakage and removing the same and Leak repairing by brazing/flaring of tubings of central type AC Plant of capacity 5 TR to 10TR capacity by leak testing, leak repairing, pressure testing with nitrogen, vaccumising complete system of central type AC plant with double stage vaccume pump of atmospheric pressure less than 28 to 30mm/HG and charging of refrigerant gas upto required pressure after satisfactory results complete all as specified and directed. Note : Nitrogen gas and refrigerant will be measured and paid separately.

Material and labour for locating and identifing gas and oil leakage and removing the same and Leak repairing by brazing/flaring of tubings of central type AC Plant of capacity 11 TR to 25 TR capacity by leak testing, leak repairing, pressure testing with nitrogen, vaccumising complete system of central type AC plant with double stage vaccume pump of atmospheric pressure less than 28 to 30mm/HG and charging of refrigerant gas upto required pressure after satisfactory results complete all as specified and directed. Note : Nitrogen gas and refrigerant will be measured and paid separately.

Material and labour for locating and identifing gas and oil leakage and removing the same and Leak repairing by brazing/flaring of tubings of central type AC Plant of capacity 26TR to 35TR capacity by leak testing, leak repairing, pressure testing with nitrogen, vaccumising complete system of central type AC plant with double stage vaccume pump of atmospheric pressure less than 28 to 30mm/HG and charging of refrigerant gas upto required pressure after satisfactory results complete all as specified and directed. Note : Nitrogen gas and refrigerant will be measured and paid separately.

Material and labour for checking and testing of Electrical control panel of AC Plant for interlock panel wiring,detecting the fault / defects including replacement of minor burnt wires, lugs, terminal, and making panel in workable condition complete all as specified and directed by Engingeer-in-charge.

Material and labour for taking down of old broken GI ducting and providing GI sheet with TDF flanged rectangular/square duct made out of "L" shaped hollow profile including all accessories such as corner, cleat, carriage bolts, gaskets and appropriate sealent on longitudinal joints etc complete of size 22 guage including GI sheet cover 28 guage all as directed and connecting/matching to the existing ducting system,including necessary brackets/supports of suitable size MS angle and painting the supports with two coats of synthetic enameled paint over a coat of primer complete all as specified and directed. Note : Insulation will be measured and paid separaterly.

Dismantling of unservicable ,damaged /wornout duct insulation & providing 9 mm thick Nitrile Rubber insulation of density 40-50 kg/m3 using CPRX solution as adhesive for fixing complete all as specified and directed.

Material and labour for ducting insulation made out of fiber glass wool roll of density 24 kg/cum of thickness of insulation 50 mm including jointing with propper sealing against any leakges and applying rubber based adhesive CPRX compound,sealing of all longitudinal joints and circular overlaps with and including aluminium foil tape 50 mm wide to make the insulation leak proof,securing the insulation with and including mechanically fastened nylon / steel straps of size 12 mm/50 mm at maximum intervals of 1.2 metre complete all as specified and directed by Engineer-in-charge.

Material and labour for painting of complete air conditioning plant equipments refrigerant/water suction / discharge / liquid piping of any specification with enamel paint of approved quality after prepration of surface including conceled fitments e.g., condenser , chillar, valves etc as per IS colour code of Cental air cinditioning plants including writing MES / SM No complete all as specified and directed.

Material and labour for replacement of existing thermocoal/PUF insulation and providing Material and labour for Insulation of M S Pipe with PUF slab 40 mm thick with and including applying bituminuous compound and outer cladding with 28 gauge Aluminium sheet complete of following sizes complete all as specified and directed. Note : The U/S thermocoal insulation shall be buried in ground after replacement cost of earth work including excavation, removal and returning filling required for changing insulation and removing surplus soil/ material is included in above work. (a) 50 mm Dia

(b) 65 mm Dia

Material and labour for replacement of existing thermocoal/PUF insulation and providing Material and labour for Insulation of M S Pipe with PUF slab 40 mm thick with and including applying bituminuous compound and outer cladding with 28 gauge Aluminium sheet complete of following sizes complete all as specified and directed. Note : The U/S thermocoal insulation shall be buried in ground after replacement cost of earth work including excavation, removal and returning filling required for changing insulation and removing surplus soil/ material is included in above work. (a) 80 mm Dia

(b) 100 mm Dia

Supply only R-407C Refrigerant gas in returnable company sealed cylinder of 61kg each with test certificate of cylinder complete all as specified and directed. Make : Mafron/Feron Note : (i) Charges of cylinder shall be deemed to be included in quoated rates. (ii) Refrigerant Gas (R 407C) shall be incorporated under respective item of Sch (A) or whereever required.

Supply only R-22 Refrigerant gas in returnable company sealed cylinder of 61kg each with test certificate of cylinder complete all as specified and directed. Make : Mafron/Feron Note : (i) Charges of cylinder shall be deemed to be included in quoated rates. (ii) Refrigerant Gas (R-22) shall be incorporated under respective item of Sch (A) or whereever required.

Checking of Gas pressure leak including nitrogen of central A/C plant filled in standard size cylinder at required pressure complete all as specified and directed by Engineer - in - Charge.

Supply and charging of compressor oil N-68 after flushing out old oil of compressor and testing commissioning complete all as specified and directed by Engineer-in-Charge.

Supply and fix in repairs of wornout / unservicable "V" belt for power transmission of following size and existing specification / cross section complete all as specified and directed :- (a) A- 32

(b) All as per item No. 88 here in before but, size B- 62

(c) All as per item No. 88 here in before but, size A-26

(d) All as per item No. 88 here in before but, size A-132

(e) All as per item No. 88 here in before but, size B-82

(f) All as per item No. 88 here in before but, size A 32

(g) All as per item No. 88 here in before but, size A- 50

(h) All as per item No. 88 here in before but, size A - 28

(j) All as per item No. 88 here in before but, size B 90

Supply and fix in repairs of unservicable pressure diffrential control cutouts of central type A/c plants and testing complete all as specified and directed by Engineer-in-Charge. (a) Oil pressure cutout MP-55

(b) High pressure cutout MP-1

(c) Low pressure cutout MP-5

Supply, installation, testing & commissioning in repairs of water cooled scroll type compressor 5 TR to 7.5 TR of semihermatically sealed scroll motor with internal overload protector, compressor mounted on existing base including connecting with existing refrigerant pipe line , integral refrirant piping and wiring accessories as required with following facilities complete all as specified and directed:- Auto /Manual single phasing protection. Compressor restart protection. 10 sec - time delay between system. Short circuit protection. 5 degree C anti freeze protection. Display on micro control indicating compressor on crank case heater on / off. Entering/ leving water temperature Scroll chiller unit shall be suitable for 415 + 15% 50 C/S 3 phase AC supply. Refrigerant used shall be R-22 or suitable for existing system as mentioned in specification.

Supply, installation, testing & commissioning in repairs of water cooled scroll type compressor 10 TR to20 TR of semihermatically sealed scroll motor with internal overload protector, compressor mounted on existing base including connecting with existing refrigerant pipe line , integral refrirant piping and wiring accessories as required with following facilities complete all as specified and directed :- Auto /Manual single phasing protection. Compressor restart protection. 10 sec - time delay between system. Short circuit protection. 5 degree C antifreeze protection. Display on micro control indicating compressor on crank case heater on / off. Entering/ leving water temperature Scroll chiller unit shall be suitable for 415 + 15% 50 C/S 3 phase AC supply. Refrigerant used shall be R-22 as mentioned in specification.

Supply and fix in repairs pilot solenoid valve assembly for central type AC plant as per sample complete all as specified and directed.

Supply and fix in repairs unservicable pressure gauge freon R22/ R407C 4" dia with tube to match & stop cock for range 0 to 150Psi complete all as specified and directed.

Supply and fix in repairs pressure gauge 4" dia suitable for refrigerent R-22 and compressor oil including 1/4" copper pipe end to U shape with flair nuts/adopter at both ends,range of gauge -30 to 300 PSI complete all as specified and directed.

Supply and fix in repairs 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.

Supply only of water presuure gauge 0-7 kg / cm2 any type Make Febig or equivant suitable makes as per PS complete all as specified and directed.

Supply and fix in repairs old unservicable pressure relief valve of condenser 3/8" / 1/2" BSP threaded suitable for 300 PSI complete all as specified and directed.

Supply and fix 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 complete all as specified and directed :- (a) 10 Amps to 60 Amps

Supply and fix in repairs single phase preventer in electric panel board at central type AC plants complete all as specified and directed by Engr-in-charge.

Supply and fix in repairs 3 pole power contactor , coil voltage 230/415 Volts for following capacity motors complete all as specified and directed :- (a) 12 Amps to 18Amps

(b) 25 Amps to 32 Amps

(c) 40 Amps to 50 Amps

(c) 70 Amps to 90 Amps

Material and labour in repair for supply and fix Sub Zero for controlling & indicating humidity / temperature of central Plant along with humidity sensor length as per site required complete all as specified and directed.

Supply and Fix in repair wornout/ unservicablle Filters class G3as per EN 779 0f following sizes for AHU complete all as specified and directed. a) 610mm x 610mm x 45mm

b) 610mm x 305mm x 45mm

c) 305mm x 305mm x 45mm

Telephone Exchange 400mm x 535mm x 20mm

Room No.06 825mm x 515mm x 10mm

Room No.06 600mm x790mm x 10mm

Room No. 13 630mm x 830mm x 10mm

Room No. 13 410mm x 770mm x 10mm

Room No. 13 780mm x 830mm x 10mm

Room No. 328 7780mm x 830mm x 10mm

Room No. 328 515mm x 815mm x 10mm

Room No. 328 785mm x 820mm x 10mm

Air Pilot Plant & Magzine Plant 40mm x 530mm x 20mm

Fuse AC Plant 560mm x 500mm x50mm

Tool Room 340mm x 600mm x 150mm

Tool Room 600mm x 600mm x150mm

Supply and Fix in repair wornout/ unservicable Remote control of blue star Package Unit Model No :- DPW 661S complete all as specified and directed and as per site requirement.

Supply and Fix in repair wornout/ unservicable Power bord curcit(PCB) controller of blue star Package Unit as exacting Model as per site requirement complete all as specified and directed and as per site requirement.

Maintenance of Summer cooling appliances Material and labour for servicing the window type /Split type AC 1.5 TR/2.0 /3.0 TR at site, cleaning evaporator, condensing coil by using carbon tetra chloride, combing the evaporator, condensor fins,greasing all the moveable parts of fan motor, testing the wiring of whole AC, checking all parts, cleaning the air filter and replacing the unserviceable spare parts, including cleaning the tray and refixing the back AC in position by providing proper packing for better effects, testing and commissioning of AC including marking of SM/MES No. complete all as specified and directed by Engr-in-Charge.

Material and labour for disconnecting the water cooler of capcity 40 / 80 litre / Hr from electric and water connection at site and servicing the water cooler by cleaning condensor by using carbon tetra chloride combing the evaporator condensor fins, cleaning of water storage tanks greasing all the moveable parts of fan motor, testing the wiring & checking all parts and replacing the unserviceable spare parts including cleaning the tray and fixing back water cooler in position, testing and commissioning of water cooler marking of SM/MES No. complete all as specified and as directed by Engr-in-charge.

Material and labour for disconnecting taking out old unserviceable sealed unit compressor from water cooler of any make, model and capacity 40litre /80 litre and refixing new compressor and soldring to unit, testing of pressure including replacement of filter complete all as specified and directed by Engr-in-Charge.

Material and labour for labour for recharging of refrigrant gas R-134 and compressor oil for water cooler including flushing, pressure testing vaccumization the complete system and detection of leakage brazing etc; testing complete system on full load capacity complete all as specified and as directed by Engr-in-Charge.

Material and labour for rewiring of condenser fan motor of water cooler 1 / 32 HP with supper enemalled copper wire of appropriate gauge including insuation, refixing and testing at location complete all as specified and as directed by Engr-in-Charge.

Material and labour for replacement of worn out relay with over load protection for water cooler any capacity complete all as specified and directed. Make : Sriram or techno commerical equivalent.

Material and labour for replacement of existing unserviceable thermostat for water cooler complete all as specified and directed by Engr-in-Charge. Make : ANNAPURNA or techno commerical equivalent.

Material and labour for replacement of existing unserviceable running capacitor 36 mfd, 230 volts complete all as specified and directed by Engr-in-Charge. Make : EPCOS or techno commerical equivalent.

Material and labour for replacement of existing unserviceable running capacitor 10 mfd, 230 volts complete all as specified and directed by Engr-in-Charge. Make : EPCOS or techno commerical equivalent.

Material and labour for replacement existing unserviceable starting capacitor 80-100 mfd 230 volts complate all as specified and directed by Engr-in-Charge. Make : EPCOS or techno commerical equivalent.

Material and labour for replacement existing unserviceable starting capacitor 40-60 mfd 230 volts complate all as specified and directed by Engr-in-Charge. Make : EPCOS or techno commerical equivalent.

Material and labour for disconnecting and taking out old unserviceable sealed unit compressor from refrigerator of capacity 165 to 310 Ltrs single door / double door and refixing new compressor capacity 165 to 310 Ltrs and testing to unit and testing complete all as specified and directed by Engr-in-Charge. Make : As per existing or suitable for existing system

Material and labour for recharging gas R-134 and compressor oil for refrigerator including flushing, pressure testing vaccumization the complete system and detection of leakage brazing etc, testing complete on full load capacity complete all as specified and directed by Engr-in-Charge.

Material and labour for in replacement of existing unserviceable relay starting cum over load protection for refrigerator complete all as specified and directed by Engr-in-Charge.

Material and labour for replacement of existing unserviceable thermostat switch suitable for 165 litre / 286 litre / 310 litre refrigerator model S-1051 complete all as specified and directed by Engr-in-Charge.

Material and labour for disconnecting taking out old unserviceable sealed unit compressor from window type air conditioner capacity 1.5 Ton and refixing new compressor and pressure testing complete all as specified and directed by Engineer-in-Charge.

Material and labour for labour for recharging refrigerant gas R-22 or suitable for system and compressor oil for window type AC 1.5 ton including flushing, pressure testing vaccumization the complete system and detection of leakage brazing etc; testing complete system on full load capacity complete all as specified and directed by Engineer-in-Charge.

Material and labour for rewinding of condenser fan motor capacity 1/10 HP of window type AC with supper enameled copper wire of same gauge including refixing and testing complete all as specified and directed by Engr-in-Charge

Material and labour for disconnecting and taking out old unserviceable sealed unit compressor from split Air conditioner of cap 1.5 TR / 2.0 TR and fixing new compressor pressure testing complete all as specified and directed by Engineer-in-Charge.

Material and labour for rewinding of condenser fan motor of split type AC with supper enameled, copper wire of same gauge including refixing and testing complete all as specified and directed by Engr-in Charge.

Material and labour for charging of refrigerant gas R-22 and compressor oil in split type AC 1.5 /2.0 TR capacity including vaccumising the complete system, detection of leakage, brazing etc, testing on full load complete all as specified and directed by Engineer-in-Charge.

Material and labour for replacement of existing unserviceable PCB of 1.5 Ton / 2.0 Ton capacity window /split type AC with remote control kit ,connecting up and testing on load complete all as specified and directed by Engr-in-Charge.

Supply and fix in replacement of Single pole and neutral enclosure with a two pin and earth plug and socket complete with one single pole MCB 20 Amps from wall surface and fixing (AC Socket) for Window/Split AC complete all as specified and directed by Engr-in-Charge.

Supply and fix in repairs 4 pole MCCB with spreaded links & extended rotary handle for following capacity complete all as specified and directed :- (a) 200 Amps 4 pole 415 v 36 KA

(b) 100 Amps 4 pole 415 v 16 KA

Supply and fix in repairs VAF meter of AC plant panel complete all as specified and directed by Engr-in-Charge

Supply and fix in repairs indication lamp 230 V of AC plant panel complete all as specified and directed by Engr-in-Charge. (a) Red

(b) Yellow

(c ) Blue

(d) Green

(e ) Orange

Supply and fix in repairs push button with No/Nc element complete all as specified and directed. (a) Red

(b) Green

Supply and fix in repairs Add-on-block with 2 No & 2 NC to match the contractor as specified and directed.

Supply and fix in repairs display board size '1.5x1.5' including writing complete details of AC plant complete all as specified and directed .

Supply and fix in repairs overload relay for following capacity complete all as specified and directed. (a) 9-13 Amp

(c ) upto 32 amp

(d) upto 40 amp

Supply and fix in repairs control MCB SP 6 AMP 10 KA complete all as specified and directed.

Supply and fix in repairs control MCB TP 20 AMP 10 KA complete all as specified and directed.

Supply and fix in repairs control MCB TP 32 AMP 10 KA complete all as specified and directed.

Supply and fix in repairs control MCB TPN 63 AMP 10 KA complete all as specified and directed.

Supply and fix in repairs 3 way Auto/Manual switch 22.5mm Dia complete all as specified and directed.

Supply and fix in repair with testing and commissioning totally enclosed weatherproof/waterproof electric CT Fan Motor with following specification complete all as specified and as directed:­ three phase squirrel cage motor, Capacity 3 HP, 960 RPM, 415V, 50HZ with all connected accessories and all fitting suitable for 15 TR cooling tower, Motor complete all as specified and directed. Make­Oswal/ Sabar/ Hindustan/ Bharat Bijlee

Supply and fix in repair CT Fan complete section Fan, Fan Dia­1200 mm, connected GI nut bolts and accessories all fitting suitable for 60 TR cooling tower complete all as specified and as directed.

Supply and fix in repair all accessories corrosion proof inlet louvers, drift, PVC eliminators, PVC water distribution system , GI nut bolt (included float valve)and all fitting complete all as specified and directed for cooling tower of capacity 15 TR.

Supply and fix in repairs set of FRP Panels & supporting structure made of hot dip galvanised pipes for 15 TR capacity cooling tower complete all as specified and directed.

Material and labour for PCC 1;2;4 using 20 mm graded crushed stone for providing staging for cooling towers, expansion tank, pipe supports etc complete all as specified and directed.

Supply, installation, testing & commissioning in repairs of water cooled scroll type compressor 30 TR Compressor ( Model No.- ZR 250 KC-TWD522.) of semihermatically sealed scroll motor with internal overload protector, compressor mounted on existing base including connecting with existing refrigerant pipe line , integral refrirant piping and wiring accessories as required with following facilities complete all as specified and directed :- Auto /Manual single phasing protection. Compressor restart protection. 10 sec - time delay between system. Short circuit protection. 5 degree C anti freeze protection. Display on micro control indicating compressor on crank case heater on / off. Entering/ leving water temperature Scroll chiller unit shall be suitable for 415 + 15% 50 C/S 3 phase AC supply. Refrigerant used shall be R-22 or suitable for existing system as mentioned in specification.

Supply and fix in repairs of unservicable pressure Sensor For control cutouts of central type A/c plants( Voltas Make) and testing complete all as specified and directed by Engineer-in-Charge. (a) pressure Sensor Model- ( AKS 3000- 060G1068) Working Pressure 0 to 18 Bar, Out 4 to 20 mA.

(b) pressure Sensor Model- ( AKS 3000- 060G1081) Working Pressure 0 to 30 Bar, Out 4 to 20 mA.

Material and labour for replacement of existing unserviceable running capacitor 45 mfd, 230 volts complete all as specified and directed by Engr-in-Charge. Make : EPCOS or techno commercial equivalent.

Material and labour for replacement of existing unserviceable running capacitor 55+-5 mfd, 230 volts complete all as specified and directed by Engr-in-Charge. Make : EPCOS or techno commercial equivalent.

Supply and fix in repairs of 50 mm Sluice valve Suction line suitable for 35 TR chilled water Central type AC plant system all as per sample, including brazing / Welding at both ends complete all as specified and directed.

Supply and fix in repairs of 40 mm Sluice valve Discharge line suitable for 35 TR chilled water Central type AC plant system all as per sample, including brazing / Welding at both ends complete all as specified and directed.

Material and labour for disconnecting & taking out old unserviceable Condenser Coil from Out Door Unit of capacity 1.5 Tr. / 2Tr. and refixing new Condensser Copper Coil, Capacity 1.5Tr. 2 Tr. and Nitrogen Pressute Testing to unit and testing complete all as specified and directed by Engr-in-Charge. Make : As per existing or suitable for existing system

Material and labour in repair for temperature Sensor of central AC Plant Blue Star Make along with sensor length as per site required complete all as specified and directed.

Material and labour in repair for Controller With Pcb Card, And Display Air cooled Central Ac Plant Model No. ACDSO 34 DPMN 3x1 complete all as specified and directed by Engr-in-Charge.

Material and labour in repair for Controller With MPVD, MPD, And Air cooled Central Ac Plant Model No. ACDSO 34 DPMN 3x1 complete all as specified and directed by Engr-in-Charge.

Material and labour for shifting of split AC 1.5/2 TR indoor/ outdoor unit including necessary piping and connected connections safely complete all as specified and directed.

Dismantling of old duct including repairing and refixing after cleaning of rectangular/ square duct including stopping of any leakage complete all as specified and directed.

M/s Vijay Airconditioning Pvt Ltd

PAMS ENTERPRISES