REPAIR/REPLACEMENT AND MAINT OF CENTRAL AC PLANTS AT SURYA AUDITORIUM SIGNAL CENTRE TRANSMITTER STATION AND OPS ROOM COMPLEX IN THE AREA OF AGE E/M EXT (WS AND AC) 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 approved make or Hydrochloric acid 20%, cleaning the system through cooling tower(incl cooling tower) and 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 and all nozzels for the following AC Plants. (Note:- T&P such as pumps, tube etc & descaling solution etc shall be arranged by the contractor at his own cost.) NOTE- Cleaning of all gate valves, Butterfly valves and gaskit etc by opening and reassembling at the same position for proper functioning of plants is also included in the above said work.

3x50 TR capacity plant (Quadrapule circuit) at OPS ROOM COMPLEX HQCC ( Set of four Compressor for each plant and each compressor having two condensor tubes).SM/MES No-833-W/136/CO-1/18,833-W/136/CO-2/18,833-W/136/CO-3/18,

3x25 TR capacity plant (double circuit) at TRANSMITTER STATION ( Set of three Compressor for each plant and each compressor having two condensor tubes)SM/MES No-556-W/138/CH-1/16 and 556-W/138/CH-2/16

3x25 TR capacity plants at SIGNAL CENTRE HQCC ( Set of three Compressor for each plant and each compressor having two condensor tubes)

2x75 TR capacity plant (double circuit) Surya Auditorium ( Set of two Compressor and each compressor having two condensor tubes ). SM/MES No-556/0037/CR-2/05 AND 556/0037/CR-1/05

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 by EIC. for the following AC plants :- (Note: The arrangement of T&P & nitrogen gas shall be contractors responsibility).

3x50 TR capacity plant (Quadrapule circuit) at OPS ROOM COMPLEX HQCC ( Set of four Compressor for each plant and each compressor having two condensor tubes).SM/MES No-833W/136/CO-1/18, 833W/136/CO-2/18, 833W/136/CO-3/18

3x25 TR capacity plant (double circuit) at TRANSMITTER STATION ( Set of three Compressor for each plant and each compressor having two condensor tubes)SM/MES No-556-W/137/CH-1/15 and 556-W/134/CH-2/15

3x25 TR capacity plants at SIGNAL CENTRE HQCC ( Set of three Compressor for each plant and each compressor having two condensor tubes)

2x75 TR capacity plant (double circuit) Surya Auditorium ( Set of two Compressor and each compressor having two condensor tubes ). SM/MES No-556/0037/CR-2/05 AND 556/0037/CR-1/05

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 by EIC 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 for the following central AC plant :-

3x50 TR capacity plant (Quadrapule circuit) at OPS ROOM COMPLEX HQCC ( Set of four Compressor for each plant and each compressor having two condensor tubes).SM/MES No-

3x25 TR capacity plant (double circuit) at TRANSMITTER STATION ( Set of three Compressor for each plant and each compressor having two condensor tubes)SM/MES No-556-W/137/CH-1/15 and 556-W/134/CH-2/15

3x25 TR capacity plants at SIGNAL CENTRE HQCC ( Set of three Compressor for each plant and each compressor having two condensor tubes)

2x75 TR capacity plant (double circuit) Surya Auditorium ( Set of two Compressor and each compressor having two condensor tubes ). SM/MES No-556/0037/CR-2/05 AND 556/0037/CR-1/05

Taking out residual refrigerant gas from AC plant into empty cylinder of the following capacity AC plants 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.

3x50 TR capacity plant (Quadrapule circuit) at OPS ROOM COMPLEX HQCC ( Set of four Compressor for each plant and each compressor having two condensor tubes).SM/MES No-

3x25 TR capacity plant (double circuit) at TRANSMITTER STATION ( Set of three Compressor for each plant and each compressor having two condensor tubes)SM/MES No-556-W/137/CH-1/15 and 556-W/134/CH-2/15

3x25 TR capacity plants at SIGNAL CENTRE HQCC ( Set of three Compressor for each plant and each compressor having two condensor tubes)

2x75 TR capacity plant (double circuit) Surya Auditorium ( Set of two Compressor and each compressor having two condensor tubes ). SM/MES No-556/0037/CR-2/05 AND 556/0037/CR-1/05

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:-1) Arrangement of vaccum pump shall be the contractors responsibility. (2) Refrigerant gas for charging shall be measured and paid seperately under respective item as supply only.

3x50 TR capacity plant (Quadrapule circuit) at OPS ROOM COMPLEX HQCC ( Set of four Compressor for each plant and each compressor having two condensor tubes).SM/MES No-

3x25 TR capacity plant (double circuit) at TRANSMITTER STATION ( Set of three Compressor for each plant and each compressor having two condensor tubes)SM/MES No-556-W/137/CH-1/15 and 556-W/134/CH-2/15

3x25 TR capacity plants at SIGNAL CENTRE HQCC ( Set of three Compressor for each plant and each compressor having two condensor tubes)

2x75 TR capacity plant (double circuit) Surya Auditorium ( Set of two Compressor and each compressor having two condensor tubes ). SM/MES No-556/0037/CR-2/05 AND 556/0037/CR-1/05

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 parst of AC plant at any location,rectified the same all as specified and directed by EIC.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.

Supply and Fixing in repairs Power contactor 3 TF 30 with NO & NC contact , of coil Volatge 220 V all as specified and directed.

Supply and Fixing in repairs Power contactor 3 TF 32 with NO & NC contact , of coil Volatge 220 V all as specified and directed.

Supply and Fixing in repairs Power contactor 3 TF 47 with NO & NC contact , of coil Volatge 220 V all as specified and directed.

Supply and Fixing in repairs Power contactor 3 TF 25 with NO & NC contact , of coil Volatge 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)

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.

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

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.

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.

Taking out the existing defective pilot control solenoid valve and supply & fixing new pilot control solenoid valve all as specified and directed.

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.

Supply and Fixing single phase preventor to prevent against single phasing, reverse phasing with wiring & testing complete all as specified and directed.

Supply and charging refrigerant gas Non CFC compatible to R-22/R-407 in returnable sealed cylinder all as specified and directed.

Taking out the existing filter drier 5/8"x 5/8" dia flare type and supply & fixing new filter drier of the same type & size including repairs to flare etc at all as specified and directed by EIC

Taking out the existing filter drier 1/2" X 1/2" dia flare type and supply & fixing new filter drier of the same type & size including repairs to flare etc at all as specified and directed by EIC

Supply and replacement of return air grill aluminium with powder coated white collers of size 300 mm x 900 mm or as per sample as required on site complete all as specified and directed.

Supply and replacement of air grill MS air control damper of size 300 mm x 900 mm or as per sample as required on site complete all as specified and directed.

Supply 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 AL sheets of size 600 mm x 500mm and 50 mm thick or as per sample as required at site 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 frame of size 600mm x 500mm or as per sample as required at site 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 : Blue Star or other equilent as approved.

Supply and fixing in repair crank case oil heater (Round type) with complete accessories 220 volts complete all as directed.

Supply & fixing in replacement of suction / discharge reeds for compressor of capacity 75 TR of existing make and model and Capacity as directed by eng-in-charge.

Supply and fixing in repair oil pump for compressor of capacity 75 TR exisitng make and model and Capacity as directed by eng-in-charge.

Supply & fixing in replacement of water temperature censor for compressor of existin make and model and Capacity as directed by eng-in-charge.

Supply & fixing in replacement of motor stacking (stator) for compressor of existing make and model and Capacity as directed by eng-in-charge.

Supply & fixing in replacement of dehydrator core for compressor of existing make and model and Capacity as directed by eng-in-charge.

M&L for renewal of defective water pressure gauge, 0-50 PSI

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

S&F (in repairs) contactor ML-1.5, 3 pole , 415 / 440 volts (Cat No. SS-91851) 25 Amp all as speicfied and directed.

S&F in repairs Contactor ML-3, 3 pole, 415 Volts ,45 Amps rating including necessary electrical connection all as specified and directed by eng-in-charge.

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

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.

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.

S&F thermal overload relay range 14-29 amps all as specified and directed.

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

S&F in repair 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 50 Amps with suitable CT's ratio of any size as required at site including necessary control wire connection and testing complete all as specified and directed by EIC

Dismantling and taking out faulty analog type Voltmeter from LT panel and Supply and fixing three phase Voltmeter digital type upto 0 to 430 Volts of any range and size as required at site including necessary control wire connection and testing complete all as specified and directed by EIC

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.

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.

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: Opening of CT fan motor 3 HP capacity cutting the wornout 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. 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. 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. Re-assembling the pump and motor and reinstallation the same in existing location including connecting all electric and water connections including 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. 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. 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. 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 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 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. Re-assembling the pump and motor and reinstallation the same in existing location including connecting all electric and water connections including 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. 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. 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 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 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 all as per site requirment and specified by eng-in-charge.

Renewal of ball bearing suitable for 5HP capacity motor size all as per site requirment and specified by eng-in-charge.

Renewal of ball bearing suitable for 7.5HP capacity motor size all as per site requirment and specified by eng-in-charge.

Renewal of ball bearing suitable for 10HP capacity motor size all as per site requirment and specified by eng-in-charge.

Renewal of ball bearing suitable for 15HP capacity motor size all as per site requirment and specified by eng-in-charge.

Renewal of ball bearing suitable for 25HP capacity motor size all as per site requirment and specified by eng-in-charge.

Renewal of cover housing including repair to main shaft and renewal of gun metal bushing all as required as per site and specified by Eng-in-charge.

Renewal of CI impellor and gland plate,gland bush all as required as per site and specified by Eng-in-charge.

M&L for spray painting to central AC Plants of 3x25 TR capacity at siganl centre 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 by EIC.

M&L for spray painting to central AC Plants of 3 x25 TR capacity at transmitter stattion 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 by EIC.

M&L for spray painting to central AC Plants of 2 x75 TR capacity at Surya Central 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 by EIC.

S&F (in renewal) MCCB-63 Amp, having breaking capacity 25 kA 3 pole AC complete all as specified and directed.

S&F (in renewal) MCCB-100 Amp, having breaking capacity 25 kA 3 pole AC complete all as specified and directed.

S&F (in renewal) MCCB-160 Amp, having breaking capacity 36 kA 3 pole AC complete all as specified and directed.

S&F (in renewal) MCCB-200 Amp, having breaking capacity 36 kA 4 pole AC complete all as specified and directed.

S&F (in renewal) MCCB-250 Amp, having breaking capacity 36 kA 4 pole AC complete all as specified and directed.

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

Supply and fixing in repairs 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.

All as item no 73 above 65 mm dia

All as item no 73 above 80 mm dia

All as item no 73 above 100 mm dia

All as item no 73 above 150 mm dia

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

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

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

Supply and fixing in replacement water flow switch for Condenser/Chiller pipeline with contol wiring all as specified and directed by Eng-In-Charge.

Supply & fixing in repairs PCB with Micro computer Control LCD display suitable for 25 TR Central Ac Plant complete all as specified and directed by Eng- in -Charge. Make- As per exising

Supply & fixing in repairs PCB with Micro computer Control LCD display suitable for 75 TR Central Ac Plant complete all as specified and directed by Eng- in -Charge. Make- As per exising

Supply & fixing in repairs PCB with Micro computer Control LCD display suitable for 50 TR Central AC Plant complete all as specified and directed by Eng- in -Charge. Make- As per exising

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 by EIC.

S&F (in renewal) of condensor safety valve of ½'' size the following size to with stand the pressure upto 300 PSI-

All as per item No 82 above 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.

ALLas per item No 83 but 40mm dia

ALLas per item No 83 but 80mm dia

Supply and fixing in repair Expansion Valve for chiller unit of central AC plant of Cap 25/ 50/75 TR Central AC Plant as directed and specified by engineer in charge.

Supply and fixing in repair NRV Valve for chiller unit of central AC plantc of ISI marked for following dia:

ALL as per item No 85 above 50 mm dia

ALL as per item No 85 above but 80mm dia

ditto as per item 85 above but 100 mm dia

ditto as per item 85 above but 150 mm dia

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

ALL as per item No 86 above 100 mm dia

ALL as per item No 86 above but 150 mm dia

S&f in repair V-belt for AHU motor of central AC plants all as directed and required as per site and specified by eng-in-charge.

S&F in repair O-RING set for compressor of central AC plant of existing make and capacity 12.5 TR(each compressor) all as per required at site and specified and directed by eng-in-charge.

M/s Acme Engineers and Contractors

GIAN ENGINEERS

Ajanta Motor Store

Enviro India

Avinash Enterprises