REPAIR/MAINT OF UNSV CONTROL PANEL, AHU, DUCTS OF CENTRAL AC PLANT AND REPAIR/REPLACEMENT OF SINGLE PHASE VOLTAGE STABILIZER/SERVO VOLTAGE STABILIZER/DESERT COOLER AND CERTAIN E/M WORK UNDER GE E/M LUCKNOW

Amount

M&L for cleaning of all Condenser tubes of central AC plant by disconnecting the condenser from the system, cleaning by descaling pump of suitable capacity of 110 ft head using descaling solution or Hydrochloric acid 20%, cleaning the system through cooling tower by using descaling solution, cleaning condenser tubes by nylon brushes & mild steel rods of suitable size, renewal of suction water filter for the following AC Plants complete all as specified and directed. (Note:- T&P such as pumps, tube etc & descaling solution etc shall be arranged by the contractor at his own cost.)

2x75 TR capacity plant at Surya Auditorium (Set of Two)

2x25 TR capacity plant at 25 WEU (Set of two)

2x25 TR capacity plant at AFMSD (Set of two)

2x25 TR capacity plant at Receiver Station (Set of two)

3x25 TR capacity plants at Transmitter (Set of Three)

3x25 TR capacity plants at AFMSD (Set of Three)

3x25 TR capacity plants at Signal Center Central Command (Set of Three)

M&L for carrying out pressure leak testing by nitrogen gas of the system of AC plant for leak proof valve joints, seal & other connected controls etc. including identifying & rectifying of leaks, defects (if any) & maintaining constant pressure of 160 LBS PSI on low side & 300 PSI on high side at least for 24 Hrs complete all as specified and directed for the following AC plants :- (Note: The arrangement of T&P & nitrogen gas shall be contractors responsibility).

2x25 TR capacity plant at 25 WEU (Set of two).

2x25 TR capacity plant at AFMSD (Set of two)

2x25 TR capacity plant at Receiver Station (Set of two)

2x75 TR capacity plant at Surya Auditorium (Set of Two)

3x25 TR capacity plants at Transmitter (Set of Three)

3x25 TR capacity plants at AFMSD (Set of Three)

3x25 TR capacity plants at Signal Center Central Command (Set of Three)

M&L for cleaning of AHU cooling coil (after dismantling front portion of AHU) by applying high air pressure followed by descaling solution & then washing with water pressure using jet pump and reassembling there after including servicing of AC ducts ,cleaning etc and setting of grills, louvers and position of proportioning dampers & also minor repair to duct insulation for missing section complete all as specified and directed for the following central AC plant :-

2x25 TR capacity AC plant at 25 WEU (Set of two)

2 x 25 TR capacity AC plant at AFMSD (Set of two)

2 x 25 TR capacity AC plant at Receiver Station (Set of two)

3x25 TR capacity plant at Transmitter (Set of three)

3x25 TR capacity plant at AFMSD (Set of three)

3x25 TR capacity plant at Signal Center (Set of three)

2x75 TR capacity AC plant at Surya Auditorium (Set of two)

Taking out residual refrigerant gas from AC plant into empty cylinder of the following capacity AC plants and depositing the same in AGE yard for further reuse complete all as specified and directed. Note :- (i) Empty cylinders will be issued temporarily by the department (ii) All accessories and T&P required for transfer of gas into the cylinder will be arranged by the contractor at his own cost.

2x75 TR capacity plant at Surya Auditorium (Set of Two)

2x25 TR capacity plant at 25 WEU (Set of two)

2x25 TR capacity plant at AFMSD (Set of two)

2x25 TR capacity plant at Receiver Station (Set of two)

3x25 TR capacity plants at Transmitter (Set of Three)

3x25 TR capacity plants at AFMSD (Set of Three)

3x25 TR capacity plants at Signal Center Central Command (Set of Three)

Taking out nitrogen gas (residual) after flushing, pressure testing & vaccumising the whole AC Plant with the help of vaccum pump & leaving the plant for 24 hrs for checking the leak point and commissioning the plant by charging refrigerant gas complete all as specified and directed for the following plants:- (Note:- 1). Arrangement of vaccum pump shall be the contractors responsibility. 2). Refrigerant gas for charging shall be measured and paid separately under respective item as supply only.

2x75 TR capacity plant at Surya Auditorium (Set of Two)

3x25 TR capacity plant at Transmitter (Set of three)

Attending the complaints of AC Plants by Electrician/Technician/Mechanic for non functioning of part of compressor, blower motor, compressor pump, chiller pump, CT fan, electric panel and all parts of AC plant at any location, rectified the same all as specified and directed. Note- (1) Complaints should be attended immediately with in one hour and to be rectified the same day at the earliest without affecting the services. (2) Complaints should be attended 24 Hrs through phone. (3) complaints should be detailed/attended by specified electrician/technician/mechanic having knowledge of AC plants and equipped with multimeter,tester and concerned tool etc.

S&F in repairs Power contactor 3 TF 30 with NO & NC contact , of coil Voltage 220 V all as specified and directed.

S&F in repairs Power contactor 3 TF 32 with NO & NC contact , of coil Voltage 220 V all as specified and directed.

S&F in repairs Power contactor 3 TF 47 with NO & NC contact , of coil Voltage 220 V all as specified and directed.

Taking down the existing defective discharge gauge and supply & fixing new oil pressure gauge, 100 mm dia, [(-) 30 to 0 & 0 - 300 PSI] complete all as specified and directed. Make:- Fiebig/Guru

M&L for repairs to liquid line & oil equalizer valve of compressor by replacing the Teflon sheet, seat & spindle and changing Neoprene 'O' ring complete all as specified and directed.

Taking out unserviceable defective finned strip heater and supply and fixing strip heater 3 KW suitable for AC plant including provision of nuts, bolts & washers etc all as specified and directed. Make: DasPass or equivalent as approved by GE

Taking out unserviceable defective finned strip heater and supply and fixing strip heater 2 KW suitable for AC plant including provision of nuts, bolts & washers etc all as specified and directed. Make: DasPass or equivalent as approved by GE

Taking out the existing unserviceable high & low pressure cut - out switch and supply & fixing new high & low pressure cut-out switch type. MP - 15 all as specified and directed. Make:- INDFOSS/RANUTROL

Taking out the existing unserviceable oil safety switch and supply & fixing new oil safety switch type. MP - 55 all as specified and directed. Make:- INDFOSS/RANUTROL

Taking out the existing unserviceable low pressure cut - out switch and supply & fixing new low pressure cut-out switch type. MP - 1 all as specified and directed. Make:- INDFOSS/RANUTROL

Taking out the existing unserviceable low pressure cut - out switch and supply & fixing new low pressure cut-out switch type. MP - 5 all as specified and directed. Make:- INDFOSS/RANUTROL

Taking out the existing defective pilot control solenoid valve and supply & fixing new pilot control solenoid valve complete all as specified and directed. Make: Sporlain or equivalent as approved by GE

Taking out the existing defective loader / unloader solenoid valve (Capacity Control solenoid valve) and supply & fixing new loader / unloader solenoid valve all as specified and directed. Make: Nikko/Rotex or equivalent as approved by GE

S&F (in repairs) single phase preventor to prevent against single phasing, reverse phasing with wiring & testing complete all as specified and directed. Make: Minilec/Electromed/L&T

Supply only refrigerant gas Non CFC compatible to R-22/R-407 in returnable sealed cylinder all as specified and directed. (Make:- Floran/Mafron)

Taking out the existing silica gel filter drier 5/8"x 5/8" dia flare type and supply & fixing new filter drier of the same type & size (Make:- Universal/Unistar) including repairs to flare etc at all as specified and directed.

Taking out the existing silica gel filter drier 1/2" x 1/2" dia flare type and supply & fixing new filter drier of the same type & size (Make:- Universal/Unistar) including repairs to flare etc at all as specified and directed.

Supply and replacement of return air grill aluminum with powder coated white collers of size 300 mm x 900 mm complete all as specified and directed.

Supply and replacement of air grill MS air control damper of size 300 mm x 900 mm complete all as specified and directed.

Supply, fabrication and fixing in replacement pre filter to precipitate 5-10 micron air particle suitable for AHU of central type AC plant made out of extended metal frame of 20 SWG GI sheets of size 500mm x 500 mm and 50 mm thick complete including finish with two coats of aluminum paint after necessary preparation complete all as specified and directed.

Supply and replacement of double convas connection in AHU outlet supply air with GI grame of size 1200mm x 1200mm including tightening with GI nuts, bolts and washers complete all as specified and directed.

Supply and fixing crank case oil heater with complete accessories 220 volts complete all as directed. Make: Bluestar or equivalent as approved by GE

Supply and fixing crank case oil heater (Round type) with complete accessories 220 volts complete all as directed. Make: Bluestar or equivalent as approved by GE

Supply & fixing in replacement of suction / discharge reeds for compressor of Make:-Blue Star, model No LCWR-1 - 075, 75 TR Capacity complete all as specified and directed.

Supply & fixing in replacement of oil pump for compressor of. Make:-Blue Star, model No LCWR-1-075, 75 TR Capacity complete all as specified and directed.

Supply & fixing in replacement of water temperature censor for compressor of Make:-Blue Star, model No LCWR-1-075, 75 TR Capacity complete all as specified and directed.

Supply & fixing in replacement of motor stacking (stator) for compressor of Make:-Blue Star, model No LCWR-1 - 075, 75 TR Capacity complete all as specified and directed.

Supply & fixing in replacement of dehydrator core for compressor of Make:-Blue Star, model No LCWR-1 - 075, 75 TR Capacity complete all as specified and directed.

Supply & fixing in replacement of suction muffler chamber for compressor of Make:-Blue Star, model No LCWR-1 - 075, 75 TR Capacity complete all as specified and directed.

M&L for renewal of defective water pressure gauge, 0-50 PSI complete all as specified and directed. Make: Fiebig or equivalent as approved by GE

M&L for renewal of defective U Siphon with cock suitable for fixing in condenser and chiller pipe line complete all as specified and directed.

S&F (in repairs) contactor ML-1.5, 3 pole , 415 / 440 volts (Cat No. SS-91851) all as specified and directed.

S&F in repairs Contactor ML-3, 3 pole, 415 Volts ,40 Amps rating including necessary electrical connection complete all as specified and directed.

S&F in repairs Contactor ML-2, 3 pole, 415 Volts ,40 Amps rating including necessary electrical connection complete all as specified and directed

Taking out used compressor oil from AC plant and Supplying and filling fresh compressor oil (suitable for respective models & makes of compressors) into the plant at different locations in Lucknow Cantt with in a distance of not exceeding 6 Km complete all as specified and directed. Make: Servo Fridge N-68 or equivalent as approved by GE

S&F push button equator of existing size with elements all as specified and directed. Make: L&T

S&F timer 7 PU up to 60 seconds all as specified and directed. (Make:- Siemens/L&T / BCH)

S&F thermal overload relay range 10 - 14 amps all as specified and directed. (Make:- ABB/L&T )

S&F thermal overload relay range 14-29 amps all as specified and directed. (Make:- ABB/L&T )

S&F for renewal of PLA relay 8 pin 220 Volt all as specified and directed.

S&F connection plate of fiber glass with 6 way brass, heavy terminal with triple brass nut & washer suitable for 15/20 HP motor complete all as specified and directed.

Dismantling and taking out faulty analog type Ammeter from LT panel and supply and fixing three phase Ammeter digital type up to 0 to 400 Amps with suitable CT's ratio of size 96 mm x 96 mm of any range as required at site including necessary control wire connection and testing complete all as specified and directed. (Make:- Conzerv/L&T/NIPPAN )

Dismantling and taking out faulty analog type Voltmeter from LT panel and supply and fixing three phase Voltmeter digital type up to 0 to 500 Volts with suitable CT's ratio of size 96 mm x 96 mm of any range as required at site including necessary control wire connection and testing complete all as specified and directed. (Make:- Conzerv/L&T/NIPPAN )

Taking out defective Industrial thermometer from water line etc. including disconnecting connection and supply and fixing new thermometer complete with sensor all as specified and directed. (Make:- Suraj or equivalent as approvef by GE )

Dismantling unserviceable CT fan motor of capacity 3 HP from AC plant and taking out after disconnecting all electrical connection, foundation nuts & bolts and transporting to contractor workshop for carrying out the following repairs. Opening of CT fan motor 3 HP capacity cutting the worn-out winding, stripping out and cleaning the slots etc. Rewinding the CT motor 3 HP capacity with super enameled copper wire of suitable gauge to match the existing copper wire of standard make conforming to IS specification including taping, varnishing, insulating and re-assembling the motor complete. Supply and replace ball bearing 6205/6206 - 04 Nos (Make:- NBC/SKF) Transporting back to site after complete repairs and reinstallation at existing location and electric connection and testing on full load for satisfactory performance all as directed Re-assembling the pump and motor and reinstallation the same in existing location including connecting all electric and water connections and transportation from contractor workshop to site. Testing complete for satisfactory performance all as specified and directed.

Dismantling the existing monoblock pump set capacity 3 HP from its foundation including disconnecting all the electrical and water connection etc transporting the same to contractor workshop from plant carry out the following repairs. Opening of pump & motor and cutting the worn-out winding and cleaning the slots with petrol & brush and re-winding the motor with super enameled copper wire of suitable gauge to match the existing size of stranded make confirming to IS specification including taping , varnishing, insulation and reassembling the motor complete. Renewal of ball bearing No 6305 - 06 No (Make:- NBC / SKF) Renewal of cover housing -03 Nos including repair to main shaft and renewal of gun metal bushing - 03 Nos Renewal of CI impeller and gland plate, gland bush - 03 Nos Reassembling the pump and motor and reinstallation the same in existing location including connecting all electric and water connections and transportation from contractor workshop to site. Testing complete for satisfactory performance all as specified and directed.

Dismantling the existing Chiller water/Condenser water pump set capacity 10 HP from its foundation including disconnecting all the electrical and water connection etc transporting the same to contractor workshop from plant carry out the following repairs. Opening of pump & motor and cutting the worn-out winding and cleaning the slots with petrol & brush and re-winding the motor with super enameled copper wire of suitable gauge to match the existing size of stranded make confirming to IS specification including taping , varnishing, insulation and reassembling the motor complete. renewal of ball bearing No 6808 & 6809 - 04 Nos (Make:- NBC / SKF) renewal of cover housing -02 Nos including repair to main shaft and renewal of gun metal bushing - 02 Nos renewal of CI impellor and gland plate, gland bush - 02 Nos Re-assembling the pump and motor and reinstallation the same in existing location including connecting all electric and water connections and transportation from contractor workshop to site. Testing complete for satisfactory performance all as specified and directed.

Dismantling the existing Chiller water/Condenser water pump set capacity 7.5 HP from its foundation including disconnecting all the electrical and water connection etc transporting the same to contractor workshop from plant carry out the following repairs. Opening of pump & motor and cutting the worn-out winding and cleaning the slots with petrol & brush and re-winding the motor with super enameled copper wire of suitable gauge to match the existing size of stranded make confirming to IS specification including taping , varnishing, insulation and re- assembling the motor complete. renewal of ball bearing No 6808 & 6809 - 04 Nos (Make:- NBC / SKF) renewal of cover housing -02 Nos including repair to main shaft and renewal of gun metal bushing - 02 Nos renewal of CI impellor and gland plate, gland bush - 02 Nos Re-assembling the pump and motor and reinstallation the same in existing location including connecting all electric and water connections and transportation from contractor workshop to site. Testing complete for satisfactory performance all as specified and directed.

Dismantling the existing Condenser water pump set capacity 15 HP from its foundation including disconnecting all the electrical and water connection etc transporting the same to contractor workshop from plant carry out the following repairs. Opening of pump & motor and cutting the worn-out winding and cleaning the slots with petrol & brush and re-winding the motor with super enameled copper wire of suitable gauge to match the existing size of stranded make confirming to IS specification including taping , varnishing, insulation and re- assembling the motor complete. renewal of ball bearing suitable for existing size - 02 Nos (Make:- NBC / SKF) renewal of cover housing -01 Nos including repair to main shaft and renewal of gun metal bushing - 01 Nos renewal of CI impellor and gland plate, gland bush - 01 Nos Re-assembling the pump and motor and reinstallation the same in existing location including connecting all electric and water connections and transportation from contractor workshop to site. Testing complete for satisfactory performance all as specified and directed.

M&L for spray painting to central AC Plants of 2 x25 TR capacity at AFMSD comprising of compressor, Motor frame & foundation, condenser all connected pipe lines in stranded colour code AHU unit, panels boards & cooling tower etc with two coat of synthetic enamel paint of approved make and shade including lettering and numbering after carrying out necessary preparation of surface by emery paper all as specified and directed.

M&L for spray painting to central AC Plants of 3 x25 TR capacity at Transmitter comprising of compressor, Motor frame & foundation, condenser all connected pipe lines in stranded colour code AHU unit, panels boards & cooling tower etc with two coat of synthetic enamel paint of approved make and shade including lettering and numbering after carrying out necessary preparation of surface by emery paper all as specified and directed.

S&F (in renewal) MCCB-63 Amp, microprocessor release having breaking capacity 10 kA, 4 pole AC complete all as specified and directed.

S&F (in renewal) MCCB-100 Amp, microprocessor release having breaking capacity 10 kA, 4 pole AC complete all as specified and directed.

S&F (in renewal) MCCB-160 Amp, microprocessor release having breaking capacity 25 kA, 4 pole AC complete all as specified and directed.

S&F (in renewal) MCCB-200 Amp, microprocessor release having breaking capacity 25 kA, 4 pole AC complete all as specified and directed.

S&F (in renewal) MCCB- 400 Amp, microprocessor release having breaking capacity 36 kA, 4 pole AC complete all as specified and directed.

Supply (in renewal) Indicating lamp complete LED type complete all as specified and directed.

Supply & fix in repair CI water type butterfly valve, PN1.6, hand lever operated with SS shaft/Disc PTFE gland packing CCS stud and bolts Nitrile Sleeves and locking arrangement complete of following sizes/dia all as specified and directed. 80 mm dia

Ditto all as above item no 64 but for 150 mm dia.

Supplying and fixing in replacement, connecting and testing unload change over switch 4 pole, 415 volts, AC, SS enclosure including necessary electrical connection of following capacities complete all as specified and directed of following capacity. 200 Amps, 4 Pole, 415Volts

Ditto all as above item no 66 but for 400 Amps, 4 pole, 415 Volts

Supply and fixing in replacement CT fan motor with aluminum alloy fan blade- 04 Nos with hub suitable for existing capacity and for 150 TR cooling tower complete all as specified and directed.

Supply and fixing in replacement CT fan motor with aluminum alloy fan blade- 04 Nos with hub suitable for existing capacity and for 50 TR cooling tower complete all as specified and directed.

Supply and fixing in replacement water flow switch for Condenser/Chiller pipeline with control wiring all as specified and directed.

Supply & fixing in repairs PCB with Micro computer Control LCD display suitable for 25 TR Central AC Plant complete all as specified and directed.

Supply & fixing in replacement PVC fills of honeycomb design double fold 12 layer, size (600x300x150)mm, suitable for cooling tower of central AC plants all as specified & directed.

S&F (in renewal) MCCB-250 Amp, microprocessor release having breaking capacity 25 kA, 4 pole AC complete all as specified and directed.

Supply & fixing in repairs PCB with Micro computer Control LCD display suitable for 75 TR Central AC Plant complete all as specified and directed.

Overhauling, testing, and commissioning of open type reciprocating compressor (Make:- BLUE STAR MODEL NO-LCWR-1, of 2x75 TR including dismantling and disconnecting suction and discharge refrigerant lines, other controls and accessories, loading, transporting to contractors workshop and back to plant room after necessary repairing and then reinstallation in its original position at SURYA AUDITORIUM plant. Note :- (i) Replacement / renewal of minor items not covered in the succeeding items of Sch 'A' but essentially required for completing the Job i.e. gasket kits, cut washers, valve springs, castle nuts, etc shall be provided by the contractor and no extra payment shall be admissible on this account. (ii) Major items requiring renewal shall be measured and paid separately as supply only.

Dismantling of complete AHU unit of any TR cooling unit and taking out defective/unserviceable blower motor 5 HP with defective ball bearing no P 207/208/210 and shaft & supply & fixing new blower (supply and return blower) new ball bearing of same make and size in repaired blower shaft welding, grinding, polishing and reinstalling the shaft assembly and testing all as specified and directed.

S&F (in renewal) of condenser safety valve of ½'' size to with stand the pressure up to 300 PSI all as specified and directed.

All as per item No 77 but 3/8" size.

Dismantling defective GM gate valve 20 mm dia at drain pipe of cooling tower of AC Plant supply & fixing new GM gate valve 15 mm dia with GI Nipple, bends etc nuts & bolts and necessary electric welding all as specified and directed.

ALL as per item No 79 but 40mm dia

ALL as per item No 79 but 150mm dia

Supply and fixing in repair Expansion Valve for chiller unit of central AC plant of Cap 2X75 TR for the model no. LCWR-1 Make:- BLUE STAR as directed and specified.

Supply and fixing in repair NRV Valve for chiller unit of central AC plant as directed and specified.

S&F in repair POT Strainer of ductile Iron body flanged ends with stainless steel strainer, existing rustling pipe cutting with nut bolt etc complete all as specified & directed. Sizes are following:-

40 mm dia

80 mm dia

100 mm dia

250 mm dia

Collection of unserviceable voltage stabilizers of any make of following capacities from AGE store yard & transporting it to local workshop of the contractor, dismantling the stabilizer for repairs of the defective parts/spares & reassembling including repairs of defective screws, rubber shoes, testing & painting with two coats of synthetic enameled paint after removing old paint and repairs body etc depositing back to MES stores yard all as directed. (Note:- Spares/parts renewed shall be paid for separately under respective items at appropriate rates).

4kVA/ 5kVA

Stabilizers of 0.5 KVA capacity.

S&F in repair Relay 25/30 Amps 24 Volt for 4 KVA/ 5 KVA voltage stabilizers all as specified and directed. MAKE : Dunmag/Eagleman/Poweman

S&F in repair relay 6 amps 18 Volt for 0.5KVA voltage stabilizers all as specified and directed. MAKE : Dunmag/Eagleman/Poweman

Supply and fixing (in repairs) Main PCB with high & low voltage cut off suitable for 4 KVA/ 5 KVA voltage stabilizers of any make all as specified and directed. MAKE : Blue Bird/Hitech

Supply and fixing (in repairs) Main PCB with high & low voltage cut off suitable for 0.5 KVA voltage stabilizers of any make all as specified and directed. MAKE : Blue Bird/Hitech

S&F ( in repairs) 2 Meter long copper conductor cable 3 core PVC insulated and sheathed 80 / 0.20 ( 2.5 sqmm) size duly fitted with 3 pin top, 20 Amps complete all as specified and directed.

S&F ( in repairs) 2 Meter long copper conductor cable 3 core PVC insulated and sheathed 24 / 0.20 (0.75 sqmm)size duly fitted with 3 pin top, 20 Amps complete all as specified and directed.

S&F (in repairs) power transformer suitable for Voltage stabilizer of make Blue Bird/Vinitec/Servel suitable for following capacity stabilizer duly winded with suitable size super enameled copper wire and testing complete all as specified and directed.

4kVA/ 5kVA

S&F in repair AC volt meter, square/round type, 0-300 volts suitable for 8 KVA/4 KVA/5 KVA/0.5 KVA single phase voltage stabilizer complete all as specified.

S&F (in repairs ) trigger transformer suitable for 4/5 KVA Voltage stabilizer of duly winded with suitable size super enameled copper wire and testing complete all as specified and directed.

Supply only connector for in-out supply of voltage stabilizer, 15 Amp with earth connection all as specified and directed.

Supply and fixing porcelain cutout (Kit-Kats) 32 Amps/240 volts all as specified and directed

S&F indicating bulb, 6 mm to 12 mm dia/square/ rectangular, neon type all as specified and directed.

S&F toggle switch, 6 Amp, 240 volts single pole, 2 way, all as specified and directed

S&F (in repairs) socket outlet, 6 pin , 20 Amp, 240 volts, all as specified and directed.

S&F piano switch flash, 6 Amp, 240 volts single pole, one way, all as specified and directed.

S&F (in repairs) SP , push switch, 6 Amp, 240 volts single pole, all as specified and directed.

Renewal of Voltage stabilizer body suitable for 4 kVA/ 5kVA stabilizer, made out of 20G mild steel sheet and fixing the existing (old) accessories in the new body, testing etc complete all as specified and directed.

M&L collecting of stabilizers and preparing old painted steel surfaces of the stabilizers of following capacities and painting the exposed surfaces ( all sides, top and bottom) with two coats of synthetic enamel paint and depositing the same with AGE component all as specified and directed.

4kVA/5kVA capacity

0.5 kVA Capacity

Supply and install and testing of Deep freezer of capacity 300/320 Ltrs single door suitable for working on 230 Volt SP 50 Hz complete all as specified and directed.

Supply & install voltage stabilizer for automatic operation single phase naturally air cooled indoor type & designed for input variation between 170 V to 250 V with output voltage stabilized at 230 V with accuracy of +/- 2.5% and of capacity 1KVA complete all as specified and directed.

Supply, install and testing of Refrigerators of capacity 300/310 ltrs double doors, frost free, LED light illuminated, suitable for working on 230 Volt SP 50 Hz supply, shade as approved complete all as specified and directed.

Taking out carefully 600 mm sweep desert cooler from its existing position from stand or pillar, removing the side panels, taking out cut wood pads or loose pads and disposed to a distance not exceeding 50 meters away and spray painting with synthetic enamel paint of approved color (inside and outside) after preparation of old painted surfaces and reassembling and fixing in position including renewal of new wood pads complete all as specified.

Taking out carefully 325 to 500 mm sweep desert cooler from its existing position from stand or pillar, removing the side panels, taking out cut wood pads or loose pads and disposed to a distance not exceeding 50 meters away and spray painting with synthetic enamel paint of approved color (inside and outside) after preparation of old painted surfaces and reassembling and fixing in position including renewal of new wood pads complete all as specified.

Supply, install and testing of Refrigerators of capacity 190 ltrs, BEE 5 Star rated, suitable for working on 230 Volt SP 50 Hz supply, shade as approved complete all as specified and directed.

Repairing of leakage of tank by brazing/soldering of any size of desert cooler, testing the leakage water complete all as directed.

Renewal of PVC front grill complete all as specified and directed ( Make Orient/Anchor)

Renewal of control switch/dimmer electronic 650 watt all as directed.

Renewal of set of panels made out of PGI sheet 22 gauge thick with wood wool pads, in required quantity duly filled complete as per sample and all as directed.

Renewal of sprinkle pipe, PVC heavy duty 15 mm dia with tee, elbow etc. for 24"/18" sweep desert cooler all as directed.

Renewal of PVC distributor suitable for 15 mm dia PVC Pipe, PVC elbow & connection of PVC pipe from pump to distributor suitable for 18"/24" sweep desert cooler complete all as directed

Renewal of desert cooler body, suitable for 450 mm/500 mm sweep exhaust fan /kit, made out of 22 gauge PGI sheet with front grill and side panel with switch regulator complete all as specified and directed.

Renewal of Polycarbonate Plug top 3 pin16 A all as directed.

M&L for renewal of Polycarbonate Plug top 3 pin 6 A all as specified and directed.

Taking out defective /perished hard board any size from window frame and S&F 4mm thick plywood BWR/Green lam commercial veneered both side, fixed with screws to framework complete all as specified and directed.

Taking out defective perished wooden frame any size from window and S&F 50x50mm thick wooden frame (fillets), wrought on all faces made out of 2nd class hard wood (sal), fixing with mild steel screws for desert cooler installed at steel frame complete all as specified and directed.

M&L for renewal of vertical water lifting pump, single phase, 230 volt AC, 50 HZ 1/60 HP, 1.5 meter head complete all as specified and directed.

M&L for renewal of horizontal water lifting pump, single phase, 230 volt AC, 50 HZ, 1/40 HP, of 5 meter head complete all as specified and directed.

M&L for renewal of kit fan, motor, single phase, 230 volt AC, 1/3 HP, complete with blade arm 18" sweep size suitable for desert cooler all as specified and directed.

M&L renewal of exhaust fan motor, single phase, 230 volt AC, 1/3 HP, complete with blade arm 18"/20" sweep size suitable for desert cooler all as specified and directed.

M&L renewal of capacitor Single Phase , 230 V, AC, of following capacities 2.5 MFD complete all as specified and directed.

Ditto all as per item No 126 above but 4.0 MFD.

Taking out defective burnt exhaust fan of following sweep and of any make and transporting to contactor's workshop, opening of exhaust fan/taking out rotor and cutting out the burnt winding and cleaning the slots and rewinding of the same with the existing size of super enameled copper winding wire including insulation varnishing, greasing, reassembling testing and fixing in position 18"/24" size (exhaust fan) complete all as specified and directed.

Ditto all as per item No 128 above but 18"/20" (Kit fan)

M&L for fabrication of mild steel stand made stand out of MS angle iron and flat grade Fe-290-Gde E-165 of size as directed suitable for positioning the desert cooler/stabilizers including painting with two coat of (black) enameled paint over a coat of red oxide primer and installed at locations complete all as specified and directed.

Taking down unserviceable GI tubing of 15 mm size from wall/Trenches/ floor etc. and supply and fixing 15 mm bore galvanized tubes medium grade with all fitting complete on walls and ceiling laid in floor including saddle clamp complete all as specified and directed. (Excavation and earth work, Mild steel clamps shall be measured and paid separately).

S&F (In repair) Gun metal globe or gate valve suitable for 15 mm dia, with iron wheel head, screwed both end for iron pipe and fixed complete all as specified and directed.

M&L (in repairs) for PVC connection 15 mm dia with brass ferule both and length 450 mm complete all as specified and directed.

S&F (in repairs) PTMT float valve, 15 mm dia complete all as specified and directed.

S&F (in repairs ) copper conductor twin core PVC insulated and sheathed cable size 1.50 sqmm ISI mark for panel wring of desert cooler complete all as specified and directed.

S&F (in repairs) copper conductor three core PVC insulated and sheathed cable size 1.50 sqmm ISI mark for panel wring of desert cooler complete all as specified and directed.

M&L for PVC pipe heavy duty 15 mm dia for desert cooler pump to distributor complete all as specified and directed.

M&L for PVC pipe heavy duty 20 mm dia for desert cooler pump to distributor complete all as specified and directed.

Supply and fixing in replacement submersible pump for desert cooler single phase, 1/40 HP, 230 volts complete all as specified and directed.

S&F in repair Exhaust fan blades 18"/20" sweep heavy duty (as per sample) complete all as specified and directed.

S&F in repair Khus pad (As per sample) suitable for desert cooler 16" / 24" sweep complete all as specified and directed.

S&F in repair wood wool (as per sample) suitable for desert cooler 24" sweep all as specified and complete all as specified and directed.

S&F (in repairs) wood wool pad (as per sample) suitable for desert cooler 325 mm to 500mm sweep complete all as specified and directed.

S&F in repairs worn out wire mesh rectangular / square fitted with all the three side panels of desert cooler of 15"/24" any make made out of 24 SWG 10mm aperture including riveting and renewing the cut wood pads complete all as specified and directed. (Renewal of Wood pads shall be measured and paid separately).

Supply and installation evaporative desert coolers (steel body) factory made 22 gauge PGI sheet of size 100x70x60cm appx , front and side panels are made of same gauge with wood wool pads having nominal air flow capacity of 4000 cfm, or nearest size, having exhaust fan motor with copper winding of capacity 1/5 HP with 18” steel blade size, and submersible pump of capacity 1/60 HP , and powder coated,icluding necessary arrangement for connecting to new or existing source of water supply line with all fittings and fixtures as directed.

Supply, installing, commissioning and testing , inverter type, split Air Conditioner of capacity 2.0 TR (Hot & Cold) 3 STAR with rotary compressor , Nano Titanium filter, auto clean function, indoor sound level 32 db, front panel display, wireless LCD remote, precoated aluminum fins, 477 cfm air circulation , auto fan speed, electric driven , suitable for working on 230 volts, single phase, 50 Hz supply complete including cutting of wall, providing stand for out door unit and making good disturbed surface of wall etc and remote operation complete. NOTE- Extra length of copper pipe, main lead and drain pipe required is included in the cost and will be provided by the contractor.

Supply & install Voltage stabilizer automatic boost/buck transformer for low and high voltage with electronic transistorized relay/ time relay for two min, SP, 50 Hz with volt meter indicator and input voltage 140 to 280 and cut up voltage 215 to 240 V cap 5 KVA all as specified.

AIRCON SYSTEMS