REPAIR/MAINT AND OVERHAULING OF CENTRAL AC PLANTS OF SIGNAL CENTRE -01 NO, RECEIVER-01 NO AND REPAIR TO LT PANEL ALONGWITH OTHER ALLIED WORKS 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 of Make:-MAIC / HIBIRD or Hydrochloric acid 20%, cleaning the system through cooling tower incl water pipe line complete by using descaling solution, cleaning condenser tubes by nylon brushes/ by descaling water pressure pump & mild steel rods of suitable size, renewal of suction water filter for the following AC Plants:- Note:- (i) T&P such as pumps, tube etc & descaling solution etc shall be arranged by the contractor at his own cost. (ii) Cleaning of all gate valves, Butterfly valves and gasket etc by opening and reassembling at the same position for proper functioning of plants is also included in the above said work.

2x75 TR capacity plant (double circuit) Surya Auditorium ( Set of two Compressor and each compressor having two condensor tubes )

3x25 TR capacity plant (double circuit) Signal Centre Central Command ( Set of Three Compressor and each compressor having two condensor tubes )

2x25 TR capacity plant (double circuit) Receiver Station( Set of two Compressor and each compressor having two condensor tubes )

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.

2x75 TR capacity plant (double circuit) Surya Auditorium ( Set of two Compressor and each compressor having two condensor tubes )

3x25 TR capacity plant (double circuit) Signal Centre Central Command ( Set of Three Compressor and each compressor having two condensor tubes )

2x25 TR capacity plant (double circuit) Receiver Station( Set of two Compressor and each compressor having two condensor tubes )

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 complete all as specified and directed ncluding 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 for the following central AC plant :-

2x75 TR capacity plant (double circuit) Surya Auditorium ( Set of two Compressor and each compressor having two condensor tubes )

3x25 TR capacity plant (double circuit) Signal Centre Central Command ( Set of Three Compressor and each compressor having two condensor tubes )

2x25 TR capacity plant (double circuit) Receiver Station( Set of two Compressor and each compressor having two condensor tubes )

Taking out residual refrigerant gas from AC plant into empty cylinder of the following capacity AC plants and depositing the same in AGE E/M yard for further reuse. 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 (double circuit) Surya Auditorium ( Set of two Compressor and each compressor having two condensor tubes )

3x25 TR capacity plant (double circuit) Signal Centre Central Command ( Set of Three Compressor and each compressor having two condensor tubes )

2x25 TR capacity plant (double circuit) Receiver Station( Set of two Compressor and each compressor having two condensor tubes )

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 directed for the following plants. Note:-(i) Arrangement of vaccum pump shall be the contractors responsibility. (ii) Refrigerant gas for charging shall be measured and paid seperately under respective item as supply only.

2x75 TR capacity plant (double circuit) Surya Auditorium ( Set of two Compressor and each compressor having two condensor tubes )

3x25 TR capacity plant (double circuit) Signal Centre Central Command ( Set of Three Compressor and each compressor having two condensor tubes )

2x25 TR capacity plant (double circuit) Receiver Station( Set of two Compressor and each compressor having two condensor tubes )

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 pannel and all part of AC plant at any location, rectified the same all as specified and directed. Note-(i) Complaints should be attended immediately within one hour and to be rectified the same day at the earliest without affecting the services. (ii) Complaints should be attended 24 Hrs through phone. (iii) 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 Volatge 220 V all as specified and directed. (Make:- L&T / Seimens)

S&F in repairs Power contactor 3 TF 32 with NO & NC contact , of coil Volatge 220 V all as specified and directed. (Make:- L&T / Seimens)

S&F in repairs Power contactor 3 TF 47 with NO & NC contact , of coil Volatge 220 V all as specified and directed. (Make:- L&T / Seimens)

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 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 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 all as specified and directed (Make: SPORLAIN or as approved by G.E.)

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 preventer 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 aluminium 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 aluminium 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 specified and directed. Make : Blue Star or other equilent as approved.

Supply and fixing crank case oil heater (Round type) with complete accessories 220 volts complete all as directed. Make : Blue Star or other equilent as approved.

Supply & fixing in replacement of suction / discharge reeds for compressor of Make:-Blue Star, any model and Capacity as directed.

Supply & fixing in replacement of oil pump for compressor of. Make:-Blue Star, any model and Capacity as directed.

Supply & fixing in replacement of water temperature censor for compressor of Make:-Blue Star, any model and Capacity as directed.

Supply & fixing in replacement of motor stacking (stator) for compressor of Make:-Blue Star, any model and Capacity as directed.

Supply & fixing in replacement of dehydrator core for compressor of Make:-Blue Star, any model and Capacity as directed by eng-in-charge.

M&L for renewal of defective water pressure gauge, 0-50 PSI (Make: Fiebig or as approved by G.E.)

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

S&F (in repairs) contactor ML-1.5, 3 pole , 415 / 440 volts (Cat No. SS-91851) 25 Amp all as speicfied and directed (Make:- L&T or as approved by G.E.)

S&F in repairs Contactor ML-3, 3 pole, 415 Volts ,45 Amps rating including necessary electrical connection all as specified Cat No. SS90721 of L&T or equivalent of other specified make..

S&F in repairs Contactor ML-2, 3 pole, 415 Volts ,40 Amps rating including necessary electrical connection all as specified Cat No. SS90701 of L&T or equivalent of other specified make..

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.

S&F push button aquiator of existing size with elements all as specified and directed. (Make:- L&T / Vashnow)

S&F timer 7 PU upto 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)

Renewal of PLA relay 8 pin 220 V all as specified and directed.

S&F connection plate of fibre glass with 6 way brass, heavy terminal with tripple 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 upto 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 upto 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/Dimle as approved by G.E.)

Taking out defective room temperature meter from AHU etc. including disconnecting connection and supply and fixing new temperature meter digital type complete with sensor all as specified and directed (Make:- Suraj/Dimle as approved by G.E.)

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 repair:- (a) Opening of CT fan motor 3 HP capacity cutting the wornout winding, stripping out and cleaning the slots etc. (b) 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. (c) 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.

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:- (a) Opening of pump & motor and cutting the wornout 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. (b) 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 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:- (a) Opening of pump & motor and cutting the wornout 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. (b) 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:- (a) Opening of pump & motor and cutting the wornout 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. (b) 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 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:- (a) Opening of pump & motor and cutting the wornout 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. (b) 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 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 for carry out the following repairs:- (a) Opening of pump & motor and cutting the wornout 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. (b) 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.

Renewal of ball bearing suitable for 3HP capacity motor size - (Make:- NBC / SKF)

Renewal of ball bearing suitable for 5HP capacity motor size - (Make:- NBC / SKF)

Renewal of ball bearing suitable for 7.5HP capacity motor size - (Make:- NBC / SKF)

Renewal of ball bearing suitable for 10HP capacity motor size - (Make:- NBC / SKF)

Renewal of ball bearing suitable for 15 HP capacity motor size - (Make:- NBC / SKF)

Renewal of cover housing -including repair to main shaft and renewal of gun metal bushing as per site all as specified and directed.

Renewal of CI impellor and gland plate,gland bush as per site all as specified and directed.

M&L for spray painting to central AC Plants of 2 x75 TR capacity at SURYA AUDITORIUM 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 SIGNAL CENTER CENTRAL COMMAND AC PLANT 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-250 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 25 KA 4 pole AC complete all as specified and directed.

Supply & fixing (in renewal) Indicating lamp complete LED type all as specified Make:- SIMENS/VISHNU

Supply & fix in repair CI wafer 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

65 mm dia

80 mm dia

100 mm dia

150 mm dia

Supplying and fixing in replacement, connecting and testing onload 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.

400 Amps, 4 Pole, 415Volts

Supply and fixing in replacement CT fan motor with aluminium 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 aluminium alloy fan blade - 04 Nos with hub suitable for existing capacity and for 75 TR cooling tower complete all as specified and directed.

Supply and fixing in replacement water flow switch for Condenser/Chiller pipeline with contol 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. Make- Blue Star

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

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.

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) incl cutting and welding of condensor safety valve of ½'' size to with stand the pressure upto 300 PSI (Make:- PIM / BAP) :-

All as per item No 80 above but 3/8" size

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

All as per item No 81 but 40mm dia

ALLas per item No 81 but 80mm dia

Supply and fixing in repair Expansion Valve for chiller unit of central AC plant of Cap 25 TR Central AC Plant all as specified and specified.

Supply and fixing in repair Expansion Valve for chiller unit of central AC plant of Cap 75 TR Central AC Plant all as specified and directed.

Supply and fixing in repair NRV Valve for chiller unit of central AC plantc of ISI marked for following sizes complete all as specified and directed.

50 mm dia

80mm dia

100 mm dia

S&F in repair (incl cutting and welding) Strainer of ductile Iron body flanged ends with stainless steel strainer,existing rustling pipe cutting with nut bolt etc complete all as specified & directed for following sizes:-

40 mm dia

80 mm dia

100 mm dia

50 mm dia.

S&f V-belt for AHU motor of central AC plants all as specified and directed.

Earthing complete with iron earth plate 600x600x6 mm thick and galvanised iron strip 32x6mm thick as earthing lead buried directly in ground(earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level,connected to galvanised earth lead wire 4.0mm dia by means of bolts,nuts,checknuts and washers of galvanised iron or steel all as shown in electrical plate no 3 connected to earthing test point all as specified and directed.

S&F Galvanised iron strip 32x6 mm thick all as specified and directed.

S&F (Incl cutting and welding) ball valve of size 25mm dia all as specified and directed.

M&L for XLPE insulated, armoured heavy duty electric cable with aluminium conductor ,1100 volts grade, 3x1/2 core/ 4 core cable cross-sectional area as given below.

S&F Aluminium Cable lugs incl cable ti of different size as per requirment of site all as specified and directed for following sizes.

M/s Acme Engineers and Contractors

LUCKNOW REFRIGERATION CORPORATION

Ajanta Associates