REPAIR AND MAINTENANCE OF CHILLED CENTRAL PACKAGE SPLIT WINDOW TYPE AIR CONDITIONERS AT ARDE UNDER GERD 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 renewal 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 F-22 gas, testing/ commisioning complete of Any Make as existing at site including renewal of minor parts as Required at site of any make and capacity as per site , 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 (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 changing of oil, gas and supply and fix of 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 as supply only (iv) Cost of minor spares,accessories,fasteners deemed essential 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 :- 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 all as specified and directed).

(b) Piston pin, Piston ring Oil/ compression complete all as specified and directed.

(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 all as specified and directed.

(d) Main bush bearing/ Bushing with collar for crank shaft as per site requiement complete all as specified and directed.

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

(f) Connecting rod alumunium alloy any specification with small end and big end bearings complete all as specified and directed.

(g) Rocker including unloading cylinder, Rocker springs, Rocker spring holder / Retainer with and including, Spring guide unloading mechanism complete all as specified and directed.

(h) Suction strainer as per existing complete all as specified and directed.

(j) Neoprene 'O' ring set compression rings and O rings complete set with aluminium washer kit complete all as specified and directed.

(k) Oil Strainers and oil filters assembly complete all as specified and directed.

(l) Guide for Discharge valve complete all as specified and directed.

(m) Oil pump assembly as per existing specifications complete all as specified and directed.

(n) suction and discharge reeds with 'O' ring complete all as specified and directed.

(o) Cylinder liner cast steel as per existing specifications complete all as specified and directed.

(p) Safety valve assembly complete all as specified and directed.

supply only wornout crankcase heaters of compressor as per existing specifications at site complete all as specified and directed.

Supply only shaft seal assembly for vaious models of compressors of Make : Accel / Kirloskar

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 thorough 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 thorough 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 thorough 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 thorough 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 of 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 :- (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) renewal of bearing if any of suitable cap if any after necessory work including greasing and replacement of nut bolts and preventing leakage if any by means of suitable adetives etc complete all as specified and directed. (iv) taking out PVC fills blocks, cleaning and refixing as per existing location and channel direction. (v) servicing of spray header and sprinkler assembly complete all as specified and directed. (vi) repair of water strainer complete all as specified and directed. Note : Renewal of spares shall be mesured and paid separetely as " supply only"

Supply only spare parts of cooling tower any capacity Make : Kool Drop / MIHIR / ADVANCE / HIMGIRI. (To be incorporated under item above :- (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 complete all as specified and directed.

(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 complete all as specified and directed

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

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

(e) Ball / Roller bearing for Sprinlkler 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 complete all as specified and directed.

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. (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 complete all as specified and directed.

Material and labour for servicing and cleaning of cooling coil 4 to 6 rows deep of capacity 5 TR to 60 TR through cleaning agent and remove the oil and dust from fins and copper tubes/ pipes complete checking of copper tubing for leakage maching/ repairing /brazing of leakaged tubes complete including sealing of joints 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 all as specified and directed including renewal of following unservicible parts :- (a) Renewal of unserviceable Spray water nozzle if any. (b) Renewal of 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 and fix in repair of defective worn out unserviceale spare parts of hot water generator of capacity 10KW to 50KW for Make as per sample of existing make available 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 above of heater rods at (a) & (b) 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, renewal only of shaft bearing, impeller key, shaft sleeve, impeller and grinding / polishing, bend removing etc complete including painting two coats with synthetic enamel paint reassembling of pump after completion of work & testing complete all as specified and directed by Engineer in charge. Notes : (i) Supply only bearing and sleeve, impeller will be measured and paid separately. (ii) Minor items / part is deemed to include in quoted rate. (a) 3 HP Upto 7.5 HP

(b) above 7.5 HP to 15 HP

Supply only spare parts of pumps sets (To be incorporated under item NO 42 & 43) (a) Shaft bearing up to 3 HP pumpset as per existing specifications.

(b) Shaft sleeve for up to 3 HP pumpset

(c) Impeller for up to 3 HP pumpset

(d) Impeller Keys of 3 HP pumpset

(e) Shaft bearing for 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 and back complete all as specified and directed for the following capacity :- (a) 1 to 2 HP

(b) All as per Item No. 58 here in before but, 3 to 5 HP

(c) All as per Item No. 58 here in before but, 7.5 to 15 HP

(d ) All as per Item No. 58 here in before but, 16 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 61) 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 / rotor 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 to 2 HP

(b) All as per Item No. 62 here in before but, 3 to 5 HP

(c) All as per Item No. 62 here in before but, 7.5 to 15 HP

(d ) All as per Item No. 62 here in before but, 16 to 40 HP

Supply only Ball bearing for squirral cage induction motor of capacity 5 HP to 10 HP

Supply only Ball bearing for squirral cage induction motor of capacity 12 HP to 40 HP

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

b) 80 mm dia bore

Supply and fix in repairs 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 specified and directed.

Supply and fix in repairs 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.

Labour only 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 vaccum pump of atmospheric pressure less than 28 to 30mm/HG and charging of refrigerant gas upto required pressure after satisfactory results complete all as specirfied and directed. Note : Nitrogen gas and refrigerant gas will be measured and paid separately as supply only.

Labour only 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 gas will be measured and paid separately as supply only.

Labour only 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 gas 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.

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 and connecting/matching to the existing ducting system,including necessary brackets/supports of 50x50x6mm 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.

Dismantling of unservicable ,damaged /wornout duct insulation & providing 25 mm thick Nitrile Rubber insulation with alumunium foil of density 40 to 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 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 paint one coat of approved quality after prepration of surface including concealed fitments e.g., condenser , chiller, 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 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 all as specified and directed. Note : The old 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 demeed included in the rate quoted. (a) 50 mm Dia

(b) All as per item No. 81 but, 65 mm Dia

Material and labour for replacement of existing thermocoal/PUF insulation and 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 all as specified and directed for following sizes :- Note : The Unservicble 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 deemed included in the rate quoted. (a) 80 mm Dia

(b)100 mm Dia

Material and labour for 3 way globe vave, Mixing type, C.I body, brass scating, S.S.304 spindle, spring loaded packing with teflon rings and rubber seal, P.N16, flange end connection, Electric Actuator mountable size complete all as specified and directed. a) 80 mm dia

b) 100 mm dia

Supply and fix in repair air diffuser, powder coated, extruded aluminum exhaust air gril, 15 deflection, with volume control damper of aluminium construction of 600 x 600mm complete all as specified and directed.

Supply and fix in repair air Grill of size 3 Metre x 0.15 Metre powder coated, extruded aluminum exhaust air gril, 15 deflection, with volume control damper of aluminium construction complete all as specified and directed.

Supply only R-407C Refrigerant gas in returnable company sealed cylinder of 61kg each with test certificate complete all as specified and directed. Make : Mafron/Feron

Supply only R-22 Refrigerant gas in returnable company sealed cylinder of 61kg each with test certificate complete all as specified and directed. Make : Mafron/Feron

Checking of Gas pressure leak of central A/C plant including Nitrogen gas filled in standard size cylinder at required pressure complete all as specified and directed 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 "V" belt for power transmission of following sizes and existing specification / cross section complete all as specified and directed. (a) Size A- 32

(b) size B- 62

(c) Size A-26

(d) Size A-132

(e) Size B-82

(f) Size A- 50

(g) Size A- 50

(h) Size A - 28

(j) Size B 90

Supply and fix in repairs pressure differential control cutouts of central type AC 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 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 refrigerent piping and wiring accessories complete all as specified and directed with following facilities:- 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.

Taking down existing unserviceable FK 4 compressor removing and dismantling suction valve, discharge valve, compressor motor including all accessories deposit to MES store complete all as specified and directed.

Material and labour for installation of scroll type compressor 12.5 TR (Ammunation filling house) including suction valve, discharge valve, liquid line valve and compressor foundation of 100x 50x 5 mm thick MS Channel as per site requirement Supply and fixing of high pressure and low pressure cut out making power and control wiring including bracing and welding work complete all as specified and directed by Engr-in-charge.

Supply, installation, testing & commissioning in repairs 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 refrigerent piping and wiring accessories as required complete all as specified and directed with following facilities:- 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 to 100 F complete all as specified and directed.

Supply only water pressure gauge 0 to 7 kg / cm2 any type complete all as specified and directed. Make Febig or equivant suitable makes as per site.

Supply and fix in repairs 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 HRC fuses (Cylindrical / DIN type / Bolted) conforming IS 13703 Part - II with high breaking capacity suitable for existing holders for 10 Amps to 60 Amps complete all as specified and directed.

Supply and fix in repairs single phase preventer in electric panel board at central type AC plants complete all as specified and directed of Eng-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

(d) 70 Amps to 90 Amps

Supply and fix Sub Zero for controlling & indicating humidity / temperature of central Plant along with humidity sensor as per site requirement complete all as specified and directed.

Supply and Fix in repair Filters class G3as per EN 779 0f following sizes for AHU complete all as specified and directed. a) 610x610x45mm

b) 610x305x45mm

c) 305x305x45mm

Telephone Exchange 400x535x20mm

Room No.06 825x515x10mm

Room No.06 600x790x10mm

Room No. 13 630x830x10mm

Room No. 13 410x770x10mm

Room No. 13 780x830x10mm

Room No. 328 7780x830x10mm

Room No. 328 515x815x10mm

Room No. 328 785x820x10mm

Air Pilot Plant & Magzine Plant 40x530x20mm

Fuse AC Plant 560x500x50mm

Tool Room 340x600x150mm

Tool Room 600x600x150mm

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

Supply and Fix in repair printed curcit board (PCB) controller of blue star Package Unit as per existing Model as per site requirement complete all as specified and directed.

Maintenance of Summer cooling appliances Material and labour for servicing the window type /Split type AC 1.5 TR/2.0TR /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 AC in position by providing proper packing for better effects, testing and commissioning of AC including writing of SM/MES No. complete all as specified and directed by Engr-in-Charge.

Material and labour for disconnecting the water cooler of cap 40 litres / 80 litres / Hour 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 writing of SM/MES No. complete all as specified and 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 40 litre /80 litre Supply and fix new compressor and soldring to unit, testing of pressure including complete all as specified and directed by Engr-in-Charge.

Material and 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 directed by Engr-in-Charge.

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

Supply and fix in repair for relay with over load protection for water cooler any capacity complete all as specified and directed. Make : Sriram

Supply and fix in repair thermostat for water cooler complete all as specified and directed by Engr-in-Charge. Make : ANNAPURNA

Supply and fix in repair running capacitor 36 mfd, 230 volts complete all as specified and directed by Engr-in-Charge. Make : EPCOS

Supply and fix in repair running capacitor 10 Mfd, 230 volts complete all as specified and directed by Engr-in-ChargE Make : EPCOS

Supply and fix in repair starting capacitor 80-100 mfd 230 volts complete all as specified and directed Engr-in-Charge. Make : EPCOS

Supply and fix in repair starting capacitor 40 to 60 Mfd 230 volts complete all as specified and directed Engr-in-Charge . Make : EPCOS

Material and labour for disconnecting & taking out old unserviceable sealed unit compressor from refrigerator of capacity 165 to 310 Ltrs single door / double door supply and fix new compressor capacity 165 to 310 Ltrs and testing of unit 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 of capacity 165 to 310 litre 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.

Supply and fix in repair relay starting cum over load protection for refrigerator complete all as specified and directed by Engr-in-Charge.

Supply and fix in repair thermostat switch suitable for 165 / 286 / 310 ltrs refrigerator model S-1051 complete all as specified and directed by Engr-in-Charge.

Supply and fix 1.5sqmm 4 core PVC insulated unsheathed flexible multi stranded copper cable suitable for Split AC indoor unit to out door unit complete all as Specified and directed,

Material and labour in repair for 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 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

Supply and fix in repair Split type indoor unit capacity 1.5 TR,BEE star rated with cordless remote control and in built air ioniser for better indoor air quality with copper condenser and copper coil complete all as specified and directed. Make: Voltas/Carrier/Blue star/Daikin

Material and labour for rewinding of condenser fan motor capacity 1 to 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

Taking down unservice sealed compressor unit of split Air conditioner of cap 1.5 TR / 2.0 TR and supply and fix 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.

Supply and fix in repair 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 repair 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 adjustable thermalwith 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 contactor complete all as specified and directed.

Supply and fix display board size '1.5x1.5' Made out of 3mm thick acrylic sheet 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 to 13 Amp

(b) 5 to 9 Amp

(c ) 9 to 32 amp

(d) 32 to 40 amp

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

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

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

Supply and fix in repairs 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 Make­Oswal/ Sabar/Hindustan/Bharat Bijlee

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

Material and labour ladder made out of 50 mm Square MS Pipe with angle iron spacers of 40 x 40 x 5 mm @ 300mm c/c, 12 ft height including all supporting structrure and connected items the rate shall be included the fixing/mounting complete all as specified and as directed.

Material and labour for PCC 1:2:4, type B1, using 20 mm graded crushed stone aggregate 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 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.

Supply and fixed in repair running capacitor 45 mfd, 230 volts complete all as specified and directed by Engr-in-Charge. Make : EPCOS

Supply and fix in repair running capacitor 55+-5 mfd, 230 volts complete all as specified and directed by Engr-in-Charge. Make : EPCOS

Supply and fix in repairs 50 mm Sluice valve PN 1.6 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 40 mm Sluice valve PN 1.6 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 Pressure Testing to unit and testing complete all as specified and directed by Engr-in-Charge. Make : As per existing or suitable for existing system

Supply and fix in repair temperature Sensor of central AC Plant of Blue Star Make along with sensor length as per site requirement.

Supply and fix in repair 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.

Supply and fix in repair 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 safely including necessary piping and connected connections complete all as specified and directed.

Material and labour in repair for Nittrile Rubber Insulation 9 mm thick for Split AC Suction & Discharge Line Including power Connetion Cable from Indoor to Out door Unit Connection safely complete all as specified and directed.

Removing existing false ceiling (18m x 4m) and repairing duct after repairing duct refixing the false ceiling match with as per existing and making good the distrubed surface complete all as specified and directed.

Supply and Fixing copper tube suitable for 1.5/2 TR Split type AC Suction and discharge line (both line) including 9mm thick nitrile rubber insulations, fixed on wall along with clamps and nut, bolts complete all as specified and directed

Supply and fixing Rotational moulded polye thylene water storage tank of capacity 500 ltrs (cylindrical vertical with closed top) hoisted and fixed on terrace for chiller makeup water including insulation made out of fiber glass wool roll of density 24 kg/cum thickness of insulation 50 mm including jointing with propper sealing, and applying rubber based adhesive CPRX compound,sealing of all longitudinal joints and circular overlaps and wrapped hessian cloth around glass wool insulation and above it providing 26 gauge aluminium sheet cladding including MS ERW pipe line connections 25 mm dia with necessary control valves provide for inlet, outlet and drain complete all as specified and directed. Location Note: MS Structure for PVC tank shall be Measured and paid separetly.

Supply and fixing Rotational moulded polye thylene water storage tanks capacity 2000 ltrs (cylindrical vertical with closed top) hoisted and fixed on PCC structure for cooling tower makeup water including suitable pipe line connections 25 mm dia with necessary for inlet, outlet and drain complete all as specified and directed. Note: PCC work for PVC tank shall be Measured and paid separetly.

Excavating in trenches, n exc1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc1.5 m in depth and getting out in any type of soil

Demolition of Existing PCC foundation for taking down existing GI tubing inlet, outlet and all valves and keep on safe custody for refixing the same after completion of PCC foundation.

Material and labour Cement concrete type B-I, 1:2:4 using 20 mm graded stone aggregate and finished even and smooth complete all as specified and as directed.

Material and labour for Brickwork with fly ash bricks, straight or curved on plan exc 6m in CM 1:6 complete all specified and as directed.

Material and labour for Rendering 10mm thick on fair faces of brick work or concrete sur faces in CM 1:4 all as specified and as directed.

Material and labour for PCC 1:2:4 type B-1 as in Slabs supported on walls, beams and columns in floors,roofs, landings, balconies, canopies, deck slabs and in shelves and complete all as specified and as directed by Engr-in- Charge.

Material and labour for fabrication of MS structure suitable for mounting Rotational moulded polye thylene water storage tanks capacity 500 ltrs complete all as specified and as directed by Engr-in- Charge.

Material and labour for Mild steel bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hookingends and bindingwith and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete as specified and as directed.

Material and labour for repairing 26 TR Chiller unit No: 01 Evacuation of refrigerant from chiller and complete systems of central Ac plants with pump down systems. isolating the scroll compressor, condenser and chiller unit, open chiller unit inlet and end flange separately nitrogen pressure treating to chiller unit and find out leakaging tube , replacing copper tube bundle of size 5/8'' dia and refixing chiller inlet cover and end cover plate, expansion valve, Hexa Nut Bolt 12mmx105mm 36 no's with washer Location: CADAS chiller palnt No : 01

Supply and fix in repairs Bearing 70TR AHU Cadas AC Plants, Bearing with Housing and Bushing Shaft Dia 52mm Including Cutting welding Brazing work both end plate AHU Make SKF catpt (FYH214)

M/s Vijay Airconditioning Pvt Ltd

BRILLIANT AIRCONDITIONING AND REFRIGERATION WORKS

tulsani associates

AN-ICON Engineering Technologies And Infrastructure Developments Pvt. Ltd