REPAIR/MAINTENANCE OF AC PLANT WITH CONNNECTED ITEMS AT GE NAGROTA.

Amount

M&L for cleaning of shell and tube water cooled condensers of the A/C plants of following capacities after dismantling the water lines and headers and cleaning with suitable wire brush and washing soda to remove the dirt and water scaling and refixing the water lines and headers including provision of new gaskets, in every 04 moths, complete all as directed by Engr-in-Charge.

52 TR capacity at Signal Center

52 TR capacity at OPS Room

15 TR capacity at 4 ASD

Supply and charging compressor oil Servo manufactured by Indian Oil Corporation or Equivalvent approved make including flushing/cleaning of oil chamber etc complete all as directed by Engr-in-Charge.

Nitrogen testing for the ANY capacity of compressors including condensing unit and gas piping complete as per the manufacturer instructiions and entire satisfaction of the Engineer in Charge. Note :- (i) Nitrozen pressure should be held with out any drop in pressure inside the unit continue for 24 hrs after leakage testiing reqired gas will be fill and satisfaction of the Engineer in Charge.

Supply and filling Nitrogen Gas Cyllinder of 61 Kg Each cyllinder complete all as specified and directed

Supply and filling Refrigerant gas R-407 of 61 Kg Each Cyllinder for AC plant compressor complete all as specified and directed

Supply and filling Refrigerant gas R-22 of 61 Kg Each Cyllinder for AC plant compressor complete all as specified and directed

M&L for servicing monoblock pumps including dismantling and opening the pump, repair/replacement of defective Ball Bearing,Roller Bearing .impeller,replace the worn out bearing impeller, stuffing box, back plates, gland packing mechincal seal and rusted nut, bolts etc assembling property , greasing all movable parts, fixing in position, testing and commissioning upto 5 HP pumps complete all as specified and directed

All as per Ser item No 7.00 here in above but upto 7.5 to 10 HP

All as per Ser item No 7.00 here in above but upto 10 to 15 HP

S&F in repair power assembly expansion valve for up 52 TR AC palnt at EHU / ERS complete all as specified and directed.

S&F in repair MVPD for up to 52 TR TR capacity at Old AC plant complete all as specified and directed

S&F of V-belt size C 2650/ C-102 including taking down old belt complete all as specified and directed .

All as per Ser item No 10.00 here in above but of size B-112 .

All as per Ser item No 10.00 here in above but of size B- 82.

Realignment of compressor and motor of any capacity on existing foundation complete all as specified and directed.

S&F of CI butterfly valves with matching flanges,gaskets,hardware duly insulated with preformed pipe section fabricated to shape and bonded with adhesive. removable cover is required valves in 26swg aluminium sheet,cover should be divided in to portions quick release toggles shall be used for assembly of covers complete all as specified and directed

50 mm bore.

65mm bore.

S&F High pressure control switch type MP-5 including taking down old switch. Complete all as specified and directed.

S&F oil pressure control switch type MP-55 including taking down old switch Complete all as specified and directed.

S&F low pressure control switch type MP-01 including taking down old switch Complete all as specified and directed.

S&F LP/HP cut out type MP-15 inlcuding taking down old cutout Complete all as specified and directed.

All as per ser item No 18.00 here in above but type ML-4

All as per ser item No 18.00 here in above but type ML-3

All as per ser item No 18.00 here in above but type ML-2

All as per ser item No 18.00 here in above but type ML-1.5

S&F power contract assembly complete MNX-25 including taking down old complete all as specified and directed

S&F power contract assembly complete MNX-12 with one NO and NC including taking down old complete all as specified and directed

S&F power contract assembly complete MNX 32 including taking down old complete all as specified and directed

S&F spare Kit wihtout coil type MU-1 including taking down old kit complete all as specified and directed

All as per ser item No 26.00 here in above but type ML-1.5

All as per ser item No 26.00 but type ML-2

All as per ser item No 26.00 type ML-3

All as per ser item No 26.00 but type ML-4

S&F Overvload relay range 9-15 amps suitable for ML-1/ML-1.5 contactor,complete all as specified and directed

S&F Overvload relay range 20-33 amps suitable for ML-2/ML-3 contactor, complete all as specified and directed

S&F Overvload relay range upto 7.5 amps suitable for MNX contactor, complete all as specified and directed

S&F electronic timer ST 100 (3 to 10 Sec) 240V including taking down of old Complet all as specified and directed.

S&F electronic timer ST 100 ST 100 (3 to 30 Sec) 415 Volts AC 50 HZ as GIC suitable to the existing panel board inlcuding taking down of old, complete all as specified and directed

S&F indicator lamp assembly complete LED type suitable for the existing system supply voltage for the existing system supply voltage 230V / 440 V AC including taking down old lamp assembly complete all as specified and directed

S&F in repair of MCCB 3 pole 415 volts AC , 250 Amps breaking capcity 25 KA, complete all as specified and directed

S&F in repair of MCCB 3 pole 415 volts AC , 40 Amps breaking capcity 25 KA, complete all as specified and directed

S&F in repair of MCCB 3 pole 415 volts AC , 32 Amps breaking capcity 25 KA, complete all as specified and directed

Dismantling the unserviceable electric motor any type or of any capacity and transporting to reputed workshop, taking out old and burnt winding wire and rewinding with super enameled copper winding wire of existing gauge and size with insulating materials, varnishing and baking etc, re-fixing the same at site and re-alignment, testing and commissioning complete all as specified and directed by Engr-in-Charge

Taking out old and unserviceable PVC fins of cooling tower of any capacity AC plant and replacing with new one including setting complete all as specified and directed

S&F in repair in repair DOL starter suitable for 5HP motor capacity 9 to 14 Amp complete with over load relay , single phasing preventer under volt release etc . complete all as specified and directed

S&F in repair in repair DOL starter suitable for 10 HP motor capacity 14 to 23 Amp complete with over load relay , single phasing preventer under volt release etc . complete all as specified and directed

Preparation of old painted surfaces by removing dust,rust etc and, applying two coats of synthetic enamel paint with spray gun of approved make and colour for cooling tower,condensing pipe line condenser water pumps including all pipe line valves etc. of 5 TR to 60 TR Capacity Plant complete all as specified and directed

S&F CT fan (with hub and fan blade) of capasity 5 to10 HP for colling tower complete all as specified and directed by Engr-in-Charge

S & F in repair chilled water sensor for AC Plants of up to 52 TR capacity complete all as specified and directed

S & F solenoid valve assembly complete for compressor of capacity upto 15 TR, complete all as specified and directed

S & F solenoid valve assembly complete for compressor of capacity from upto 52 TR, complete all as specified and directed

S & F loading/unloading switch assembly for compressor of capacity upto 15 TR, complete all as specified and directed

S & F loading/unloading switch assembly for compressor of capacity from upto 52 TR, complete all as specified and directed

S & F microprocessor for compressor of capacity upto 15 TR of existing model, complete all as specified and directed

S & F microprocessor for compressor of capacity from 52 TR of existing model, complete all as specified and directed

S & F cooling tower nozzles 1/4'' size of existing model, complete all as specified and directed

S & F block bearing for air handling unit existing size of existing model, complete all as specified and directed

Dismantling the compresor and taking out the shaft from the compressing unit and taking to the reputed workshop for necessary lathe/ machining work to match the bearing size, cleaning inside the compresing unit and necessary overhauling complete as directed .Installation of compressor and connect with motor , alingment and carrying out of testing to the entire satisfaction of Engr-in-charge . Note : defective Spares required to be replaced shall be measured and paid seperately under appropriatre items of this schedule.

3 X 7.5 TR capacity

Supply in replacement for 3 X 7.5 TR capacity

Main bearing ( U/S upto 0.5 mm) for both ends

Connecting rod bearing

C R bush

Pistons

Pistons pin

Piston ring set

Piston circlips

C R Nuts & bolts

S V Reeds

D V Reeds

S V Springs

D V Spring

Suction filter drayer.

Oil pump

Linear 'O' ring

Gasket set

Thurst washer

Aluminium Gasket set

Rocker arm with cup & washer

Oil pressure regulating valve

Rocker arm spring

Suction and discharge valve 'O' ring set

S & F in repair water Flow Gauge Meter for AC Plants of any capacity complete all as specified and directed

S & F in repair Oil Pressure Gauge Meter for AC Plants of any capacity

S & F in repair Refrigerant Gas Pressure Gauge Meter for AC Plants of any capacity complete all as specified and directed

S&F in repair of 13 TR semisealed/sealed compressor with modification to existing system including testing complete all as specified and directed by Engr-in Charge.

Repair and maintenance of Ac plant heater incliding internal wiring and replace of any part of internal body complete all as specified and directed by Engr-in-charge.

Deduction to be made from BOQ for schedule of credit (Sch 'A' Part - II) Amount of Rs.31,175.00 during AOC Note:- Tenderers shall not quote for this Schedule

Nitika electricals and engineers works