REPAIR AND MAINTENANCE OF AC PLANT AND SUMMER APPLIANCES UNDER GE NAGROTA

Amount

NOTE:- 1.GENUINE SPARE PART SHALL BE REPLACED 2.GUARANTEE CERTIFICATE SHALL BE REQUIRED FROM AUTHORISED DEALER IN THEIR RESPECTIVE LETTER HEAD. 3.DIGITAL PRROF SHALL BE MAINTAINED AT THE TIME OF REPLACEMENT OF ANY SPARE PARTS AND WILL PRODUCED AT TIME OF PAYMENT. 4.DATA REGISTER SHALL BE MAINTAINED OF EVERY NEW INSTALLED SPARE PARTS WITH THEIR GUARANTEE CARD DULY VERIFIED BY GE.

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 etc complete all as directed by Engr-in-Charge. (a) 52 TR capacity at Signal Center

(b) 52 TR capacity at OPS Room

(c) 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

Supply and filling Refrigerant gas R-407 of 61 Kg Each Cyllinder for AC plant compressor

Supply and filling Refrigerant gas R-22 of 61 Kg Each Cyllinder for AC plant compressor

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 all as directed for uo To 5 HP pumps.

Same as Ser No 7 but upto 7.5 to 10 HP

Same as Ser No 7 but upto 10 to 15 HP

Supply and fixing in repair power assembly expansion valve for up 52 TR AC palnt at EHU / ERS Model SVE 42 Make –SPORLAN or equivalent as per the existing.

Supply and fixing in repair MVPD for up to 52 TR TR capacity at Old AC plant Model equivalent as per the existing.

Suuply and fix of V-belt size C 2650/ C-102 including taking down old belt .

All as per item No-11 as above but of size B-112 .

All as per item No-11 as above but of size B- 82.

Realignment of compressor and motor of any capacity on existing foundation.

Supply and fixing 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. (a) 50 mm bore.

(b) 65mm bore.

Supply and fix High pressure control switch type MP-5 including taking down old switch. AS per existing make

Supply and fix oil pressure control switch type MP-55 including taking down old switch. AS per existing make

Supply and fix low pressure control switch type MP-01 including taking down old switch. AS per existing make

Supply and fix LP/HP cut out type MP-15 inlcuding taking down old cutout. AS per existing make

All as per item No - 18 but type ML-4 Make –AS per existing make

All as per item No - 18 but type ML-3 Make – AS per existing make

All as per item No - 18 but type ML-2 Make –AS per existing make

All as per item No - 18 but type ML-1.5 Make –AS per existing make

Supply and fixing power contract assembly complete MNX-25 as per cat No CS 94110 Make – L & T or equivalent make including taking down old contactor

Supply and fixing power contract assembly complete MNX-12 with one NO and NC as per Exixting Make – L & T or equivalent make aas Schneider including taking down old contactor

Supply and fixing power contract assembly complete MNX 32 Make – AS per existing make including taking down old contactor

Supply and fixing spare Kit wihtout coil type MU-1 including taking down old kit. Make – AS per existing make

All as per item No - 26 but type ML-1.5 as per cat No SS91851 . Make – AS per existing make

All as per item No - 26 but type ML-2 as per AS per existing make .

All as per item No - 26 type ML-3 as per existing make

All as per item No - 26 but type ML-4 as per existing make

Supply and fixing Overvload relay range 9-15 amps . Make –AS per existing make suitable for ML-1/ML-1.5 contactor

Supply and fixing Overvload relay range 20-33 amps . Make –AS per existing make suitable for ML-2/ML-3 contactor

Supply and fixing Overvload relay range upto 7.5 amps . Make –AS per existing make suitable for MNX contactor

Supply and fixing electronic timer ST 100 (3 to 10 Sec) 240V or as per existing .Make –AS per existing make including taking down of old one.

Supply and fixing electronic timer ST 100 ST 100 (3 to 30 Sec) 415 Volts AC 50 HZ . Make- L Make –AS per existing make as GIC suitable to the existing panel board inlcuding taking down of old one.

Supply and fixing 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 Make – Mimic control/AEC/C&S.

Supply and fixing in repair of MCCB 3 pole 415 volts AC , 250 Amps breaking capcity 25 KA, Make –L &T , or equivalent

Supply and fixing in repair of MCCB 3 pole 415 volts AC , 40 Amps breaking capcity 25 KA, Make –L &T , or equivalent

Supply and fixing in repair of MCCB 3 pole 415 volts AC , 32 Amps breaking capcity 25 KA, Make –L &T , or equivalent

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 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 .Make : Mihir or equivalent

Supply and fix 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 . Make L&T or equivalent in Schneider / Havells.

Supply and fix 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 . Make L&T or equivalent make as Schneider / Havells.

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.

Supply and fix CT fan (with hub and fan blade) of capasity 5 to10 HP for colling tower 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

S & F solenoid valve assembly complete for compressor of capacity upto 15 TR.

S & F solenoid valve assembly complete for compressor of capacity from upto 52 TR.

S & F loading/unloading switch assembly for compressor of capacity upto 15 TR.

S & F loading/unloading switch assembly for compressor of capacity from upto 52 TR.

S & F microprocessor for compressor of capacity upto 15 TR of existing model

S & F microprocessor for compressor of capacity from 52 TR of existing model

S & F cooling tower nozzles 1/4'' size of existing model

S & F block bearing for air handling unit existing size of existing model

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 for the following compressor model :- Note : defective Spares required to be replaced shall be measured and paid seperately under appropriatre items of this schedule. (a) 3 X 7.5 TR capacity at 4ASD

Supply in replacement for 3 X 7.5 TR capacity at 4ASD (a) Main bearing ( U/S upto 0.5 mm) for both ends

(b) Connecting rod bearing

(c) C R bush

(d) pistons

(e) Pistons pin

(f) Piston ring set

(g) Piston circlips

(h) C R Nuts & bolts

(j) S V Reeds

(k) D V Reeds

(l) S V Springs

(m) D V Spring

(n) Suction filter drayer.

(o Oil pump

(p) Linear o ring

(q) Gasket set

(r ) Thurst washer

(s) Aluminium Gasket set

(t) Rocker arm with cup & washer

(u) Oil pressure regulating valve

(v) Rocker arm spring

(w) Suction and discharge valve O ring set

S & F in repair water Flow Gauge Meter for AC Plants of any capacity

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

Supply and fixing 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. Make Kirloskar, Brite,

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

Material and Labour for servicing of following appliances comprising of through cleaning, lubricating of all moving parts, replacement of wornout screws, bolts etc to make the unit for smooth operation for the following capacity of water cooler / refrigerator :- (a) Water coolers 40 to 150 ltrs cooling capacity.

(b) Refrigerator of 165 to 310 ltrs capacity.

(c) Deep Freezers any capacity

Supply and replace compressor sealed unit of the following appliances of any make complete including replacement of copper tubing/capillary strainer etc, testing and commissioning all as specified and as directed by Engr-in-Charge. (a) Water coolers of capacity up to 150 liters.

(b) Refrigerators of capacity 210 to 310 ltrs.

(c) Deep freezers 200 to 300 ltrs capacity.

Supply and replace starting relay suitable for :- (a) Water coolers 40 to 150 ltrs cooling capacity

(b) Refrigerator of 165 to 310 liters capacity.

(c) Deep freezers of 200 to 425 ltrs capacity.

Supply and replace thermostats of :- (a) Water coolers 40 to 150 ltrs cooling capacity.

(b) Refrigerator of 165 to 310 ltrs capacity.

(c) Deep freezers of 200 to 325 ltrs capacity.

Supply and charging refrigerant gas R-22/R-134 (A) up to required level incl connected works like pressure testing with nitrogen before filling refrigerant gas including leakage testing if any complete all as specified and directed by Engr-in-Charge (a) Water cooler 40 ltr cooling cap.

(b) Water cooler 80 ltr cooling cap.

(c) Water cooler 150 ltrs cooling cap

(d) Deep freezers of any capacity.

(e) Refrigerators of any capacity.

Supply and replace condenser unit of the following appliances including making of all connections as specified and directed by Engr-in-Charge. (a) Water coolers 40/60 ltrs capacity.

(b) Refrigerator of 165 to 195 ltrs capacity.

(c) Deep freezers of 200 to 300 ltrs capacity.

Supply and replace top cover gasket of water cooler 40 to 150 ltrs capacity.

Supply and replace overload protector of : (a) Water coolers/ Refrigarator upto 150 ltrs cooling capacity

(b) Deep freezers of upto 425 ltrs capacity.

Supply and replace blower/condenser fan motor complete with necessary mounting bracket to and base frames for :- (a) Water coolers of any make and cap 40 to 150 ltrs capacity.

(b) Deep freezers of any make & cap 200 to 300 ltrs capacity.

Supply and charging refrigerant gas R-22/R-134 (A) up to required level incl connected works like pressure testing with nitrogen before filling refrigerant gas complete all as specified and directed by Engr-in-Charge. Make Paragon,Mefron (Note : Above second floor contractor will arrange crain / scaffolding with safety device) (a) Window type room air conditioners of capacity 1.5 Ton.

(b) Split type AC 1.5/2.0 Ton capacity

M&L for servicing of following appliances comprising of through cleaning, lubricating of all moving parts, replacement of wornout screws, bolts etc to make the unit for smooth operation for :-(Note : Above second floor contractor will arrange crain / scaffolding with safety device) (a) Window type room air conditioners of capacity 1.5 Ton cap.

(b) Split type AC 1.5/2 Ton capacity.

Supply and replace compressor sealed unit of the following appliances of any make complete including replacement of copper tubing/capillary strainer etc, testing and commissioning all as specified and as directed by Engr-in-Charge. (a) Window type air conditioners of capacity 1.5 /1 Ton.

(b) Split type AC 1.5/2.0 Ton capacity.

Supply and replace capacitors of the following capacities for ACs Make :Siemens,epcos (a) 3.15 ,4 & 6 Mfd

(f) 45+6 Mfd Seven Pin

Supply and replace starting relay suitable for :- (a) Window type room air conditioners of capacity 1/1.5 Ton cap.

(b) Split type AC 1.5/2 Ton capacity

Supply and replace thermostats of :- Make Danfoss,Annapooma (a) Window type room air conditioners of capacity 1/1.5 Ton cap.

(b) Split type AC 1.5/2 Ton capacity.

Supply and replace oeverload protector of :- Make Usha,Annapooma (a) Window type room air conditioners of capacity 1/1.5 Ton cap.

(b) Split type AC 1.5/2 Ton capacity.

Supply and replace condenser unit make of copper of the following appliances including making of all connections as specified and directed by Engr-in-Charge (a) Window type room air conditioners of capacity 1/1.5 Ton capacity.

(b) Split type AC 1.5/2 Ton capacity.

Supply and replace metal clad/sheet metal plug and socket with a 2 pin and earth plug and 20 Amps SP MCB complete including making all connections. complete all as directed by Engr-in-Charge.

Supply and replace contact unit of split type air conditioning of 1.5/2 Ton cap complete all as directed by Engr-in-Charge.

M & L voltage stabilizers AC single phase. 2 to 5 KVA of any make by opening of the body, cleaning of internally, checking and tigtening of all terminal connections including replacement of worn out terminal connectors, screws, bolts complete all as directed by Engr-in-Charge.

Supply And Fix with repair of defective burnt motor from unit and testing all as directed for the following;- (a) Window type AC of any make capacity 1/1.5 Ton cap.

(c) Split type AC of any make and capacity 1.5/2 ton.

Supply and fix insulation for copper tubes of split type AC units,insulation type superion of sizen 3/8"diameter

Supply and fix insulation for copper tubes of split type AC units,insulation type superion of sizen 5/8"diameter

Supply and fix in repairs copper tubing soft grade suitable for split type AC suction /discharge line of size 5/8" diameter

Supply and fix in repairs copper tubing soft grade suitable for split type AC suction /discharge line of size 3/8" diameter

Supply and fix PCB cercuit board complte suitable for 1.5/2.0 ton capacity split type air conditioneer complete all as directed by Engr-in-Charge.

Supply and fix PCB cercuit board complte suitable for 1.5/2.0 ton capacity Window type AC complete all as directed by Engr-in-Charge.

Supply and fix in repair Remote of any size and capacity of split AC . complete all as directed by Engr-in-Charge.

Supply in replacement of indoor colling unit 1.5 Ton capacity copper tubing with rotary fan suitable of existing make with suitable remote complete all as directed by Engr-in-Charge.

S&F in replacement of desert cooler 1350 Rpm capacity motor with fan blade of existing make with all arrangement complete all as directed.

Replacement of water circulation submersible pump of desert cooler suitable for operation on AC supply single phase 230/250 volts 50 Hz. complete all as directed by Engr-in-Charge.

Taking out existing old wood wool pads from desert coolers and S&F wood wool pads with nylon threads suitable for any make of desert cooler having minimum/maximum capacity 3000 cum/hr and 5000 cum hrs including S&F PVC insulated protective guards for holding the wood pads complete all as specified and as directed.

Replacement of PVC water distribution system 4 way suitable for 3000/4000 Cum/Hrs of desert coolers complete with PVC Elbow, PVC Pipe (distribution system to side panel with elbow at end ) heavy duty 15mm dia all as directed.

Replacement of unserviceable side panels with wood wool 2" thick for desert cooler made out of 22 gauge plane GI sheet of existing size of desert cooler complete. (Each Set Of Three Panels) complete all as directed by Engr-in-Charge.

Painting of desert coolers in side out side at site of work with two coats of synthetic enamel paint grey or any other shade (as approved) from out side complete including shutters top, bottom with spray painting machine and in side with black anti – corrosive paint (two coats) complete all as specified and directed.

Taking down old split/ window type Air Conditioner of any capacity and reinstalled at new location after completing serviceing including Making good disturbed surfaces by means of using sand, cement etc. complete all as specified & directed

Sub main wiring with two single core FRLS PVC insulated unsheathed 1100 volts grade cable with stranded copper conductor of size 6 Sq mm drawing through and including concealed rigid non metallic PVC conduit medium grade ISI marked 25 mm dia including one single core FRLS PVC insulated unsheathed 1100 volts grade cable with stranded copper conductor of size 4.0 sq mm as earth continuity conductor connected to commen earth and earth dolly complete .Note : 02 Run of 06 sqmm single core copper conductor , 01 No 04 Sqmm size copper conductor & 01 run of PVC rigid conduit of 25mm dia shall be considered 01 unit for payment purpose.

Replacement of Single pole and neutral enclosure with a two pin and earth plug and socket complete with one SPN MCB 240 volts 40 amps . Make:Havell's/ABB/Legrand

J S ENGINEERS

Nitika electricals and engineers works

ASHOKA ENGINEERS AND BUILDERS

Bidder Name

Nitika electricals and engineers works

J S ENGINEERS

ASHOKA ENGINEERS AND BUILDERS

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