COMPREHENSIVE MAINTENANCE OF AC PLANT AND SUMMER APPLIANCES AT OLD AND FORT CANTT UNDER GE (EAST) PRAYAGRAJ.

Checking and repairing the cooling appliances at site like Air conditioner 1.5/2 ton (Window or split), water cooler, refrigerator detecting/ identify the fault/ defective part/Gas leakage including taking down the appliance if requred, dismantling of parts if required, strip opening of cooling appliances if required at site, reporting the same to concern Engineer-in-Charge/GE for approval to replacement of defective part and refixing in the same location after repair re-assembly the appliances including necessary testing complete all as specified & directed. Note:- (i) The item shall be operated only if the appliances are repairable at site. (ii) Spair parts incl refrigerant gas shall be measured and paid seperatly under respective items of Sch A. (iii) Cost of cleaning , washing, oiling, greasing, etc. and minor parts viz. screw, washer, insulated tape, clips, nut & bolts washers etc. deemed to be included in the quoted rates. (iv) Cost of re-installation at same site and testing shall deemed to be included in the quoted rates.

Maint and repair of ACs (Window/Split) Servicing only to window type/split type AC (both indoor and outdoor unit) 1.5 ton/2 ton capacity any make by taking down the AC if required cleaning and servicing of the AC with using caustic soda/detergent powder solution through motorized spray water gun, cleaning of air filter and re- assembling the serviceable spare parts etc and testing for smooth functioning and re-installation at same location complete all as directed by Engineer-in-Charge. Note:- Servicing has to done at site only with proper spray water gun and other T&P, rates to which deemed to be included in above rates

Repair to window type/split type AC 1.5 ton/2 ton capacity any make by dismantling the blower motor, condenser fan motor, fan blade, blower drum any type etc cleaning and servicing of serviceable parts, replacement of wiring kit, knob and unserviceable spare parts etc , replacement of insulation foam 3 mm thick, air filter and re- assembling the serviceable spare parts etc and testing for smooth functioning and re-installation at site or deposit in MES store yard complete all as directed by Engineer-in-Charge. Note:- (i) The item shall be operated only if the appliances are not repairable at site. (ii) Spair parts incl refrigerant gas shall be measured and paid seperatly under respective items of Sch A. (iii) Cost of cleaning , washing, oiling, greasing, etc. and minor parts viz. screw, washer, insulated tape, clips, nut & bolts washers etc. deemed to be included in the quoted rates. (iv) Cost of re-installation at same location or other loaction and testing shall deemed to be included in the quoted rates. (v) Cost of to and fro transportation to workshop or MES store yard deemed to be included in above rates (vi) Air conditioner shall be repaired within 05 days from the day of dismantling / taking down. Delay in repair and refixing after 05 days a sum of Rs 1000/- per air conditioner shall be levied upon contractor and deduction from contractor payment.

Supply and fixing in repair following spare parts of window type AC/split type AC 1.5/2 Ton (dismantled against item no 1 and 4 here in above) :-

Running capacitor 36/45/50 + 6mfd ± 5%, 440 Volt AC.

Starting capacitor 100-150 mfd

Relay for window AC. Capacity 1.5 T/2 T

Thermostate

Propeller fan suitable for window/split type AC

Blower Motor 1/5 or 1/6 HP suitable for Air conditioner window type upto 1.5/2 ton capacity as per existing model complete all as directed and specified.

Blower Motor 1/5 or 1/4 HP suitable for Air conditioner split type of capacity 1.5/2 ton as per existing model complete as directed and specified.

PLC unit for split type air conditioner as same make and capacity.

Split AC contactor single phase 230V of suitable capacity for Split AC 1.5 Ton/2 Ton including coil.

Sealed compressor unit of capacity of 1.5 Ton AC window/split type incl initial fiiling of suitable refrigerant gas of adequate quantity complete all as specified & directed.

Sealed compressor unit of capacity of 2 Ton AC window/split type incl initial fiiling of suitable refrigerant gas of adequate quantity complete all as specified & directed.

S&F stand suitable for installation of outdoor unit of split AC 1.5/2 ton incl nut bolts and fastner complete all as specified and directed.

Maint and repair of Water Coolers Repair to water cooler any capacity any make by dismantling the parts etc cleaning and servicing of serviceable parts, replacement unservicebale parts and re- assembling the serviceable spare parts etc and testing for smooth functioning and re-installation at site or deposit in MES store yard complete all as directed by Engineer-in-Charge. Note:- (i) The item shall be operated only if the appliances are not repairable at site. (ii) Spair parts incl refrigerant gas shall be measured and paid seperatly under respective items of Sch A. (iii) Cost of cleaning , washing, oiling, greasing, etc. and minor parts viz. screw, washer, insulated tape, clips, nut & bolts washers etc. deemed to be included in the quoted rates. (iv) Cost of re-installation at same location or other loaction and testing shall deemed to be included in the quoted rates. (v) Cost of to and fro transportation to workshop or MES store yard deemed to be included in above rates

Supply and fixing in repair following spare parts of Water cooler any capacity (dismantled against item no 1 and 5 here in above) :-

New sealed compressor unit of water cooler 80-120 Litre cooling capacity and make for suitable existing water cooler. Make:- Copeland, Usha , Tecum sheh, Voltas, Blue Star, Accel, Hitachi, LG.

New sealed compressor unit of water cooler 40-80 Litre cooling capacity and make for suitable existing water cooler. Make:- Copeland, Usha , Tecum sheh, Voltas, Blue Star, Accel, Hitachi, LG.

Running capacitor 25/36 mfd ±5% 440 Volt AC supply. Make: Usha/ Asian/ Crompton Greaves/ Sriram/ Havells/ Epicos/ Totaline as approved by GE.

Start Relay for water cooler any capacity.

Over load protector same make and capacity.

Thermostate

Condensor motor 1/35 or 1/24 HP single phase 230V.

Condensing coil

Plastic drain hose pipe (not exe 1.0 Rm)

Push cock/lift cock brass with chromium plated.

Capillary Tube (not exceeding 0.60m).

Float Valve 1/2 " including assembly brass made

Maint and repair of Refrigerators/Deep Freezer Repair to refrigerator/deep freezer any capacity any make by dismantling the parts etc cleaning and servicing of serviceable parts, replacement unservicebale parts and re- assembling the serviceable spare parts etc and testing for smooth functioning and re-installation at site or deposit in MES store yard complete all as directed by Engineer-in-Charge. Note:- (i) The item shall be operated only if the appliances are not repairable at site. (ii) Spair parts incl refrigerant gas shall be measured and paid seperatly under respective items of Sch A. (iii) Cost of cleaning , washing, oiling, greasing, etc. and minor parts viz. screw, washer, insulated tape, clips, nut & bolts washers etc. deemed to be included in the quoted rates. (iv) Cost of re-installation at same location or other loaction and testing shall deemed to be included in the quoted rates. (v) Cost of to and fro transportation to workshop or MES store yard deemed to be included in above rates

Supply and fixing in repair following spare parts for refrigerators of any capacity (dismantled against item no 1 and 7 here in above) :-

Sealed compressor unit of refrigerator 160 to 253 Litre cooling capacity complete all as specified and directed.

Sealed compressor unit of refrigerator 280 to 340 Litre cooling capacity complete all as specified and directed.

Relay

Over load protector

Thermostate

Cooling coil

Condensing coil

Topping and filling of following refrigerant gas against item No- 1 to 8

Supply only refrigerant gas (R-32) in sealed container with cylinder and valve duly tested complete all as specified and directed.

Supply only refrigerant gas (R-410) in sealed container with cylinder and valve duly tested complete all as specified and directed.

Supply only refrigerant gas (R-134a) in sealed container with cylinder and valve duly tested complete all as specified and directed.

Detection and rectification of leakage of storage tank of water cooler by brazing, soldering/ welding as required at site or at work shop and unserveciable spare parts such as Nipple adaptor, Push cock, float valve & Bush, nut, bolt, washer, rubber/plasting packing are included in unit quoted rates not any claim on this account will be replaced for smooth functioning & testing for leak proof complete all as specified and directed.

Spray painting of water cooler after preparation of old surface of water cooler with one coat of synthetic enamel paint as approved complete all as specified and directed.

Maint and repair of voltage stabilizers Dismantling voltage stabilizer of capacity 3/4/5 KVA incl strip opening, checking, locating fault and repair the same incl replacement of unserviceable items and reinstalling the same at same or other location complete all as specified and directed Note: (i) Spare parts shall be measured and paid separately under respective item of Sch A . (ii) Replacement of nut & bolts washers deemed to be included in unit quoted rate. (iii) Minor repair work deemed to be included in unit quoted rate.

Volt meter (0-300 volts).

Control relay.

IC controlled circuit for 3/4/5 KVA.

Control transformer rating input 170 to 250 Volt and output 230 Volt.

Low/high voltage cut off and TDR system.

Main transformer for 3/4/5 KVA.

Maint and repair of Desert coolers M&L for repair of the Desert Cooler of any capacity and make, dismantling of complete items and its repair cleaning of serviceable parts, replacement of unserviceable or worn out parts, opening of Fan motor from their brackets, and fixing of Fan Motor and Pump, replacement of internal wiring and connection and testing after repair complete. Note:- (i) Overhauling/Oiling of fan motor, Vertical pump replacement of Nuts, bolts washers/elbow, if required shall be deemed to be included in unit quoted rate. (ii) Unserviceable spare parts to be replaced shall be measured and paid separately as supply only under respective item. (iii) Minor repair of chassis of brazing/welding work deemed to be included in unit rate. (iv) Provide PVC Sheathed cable of 23/.0076 up to 1.5 meter in replacement if required will be deemed included in the unit rate.

Supply and fixing in repair following spare parts suitable for Desert Coolers existing make or existing capacity:-

New wood wool pads best quality of required size as approved (three in each on desert cooler) complete all as specified and directed.

Fan motor of 1/6 HP to 1/10 HP 230V AC electric of same capacity and same make.

Blade for kit Fan.

MS Bracket for kit fan motor

Submersible Pump set suitable for desert coolers of fractional H.P. Make:- CG/Bajaj/Havells/Vansal or Summar cool/ Zolta (Khaitan).

Piano type Switch, 5 Amp 230 Volt AC

PVC pipe 10 mm dia flexible

Flexible wire for connection

Side panel made out of PGI Sheet 1 mm thick of size not less than 0.5m width and 0.7m height (set of three) complete.

Storage tank made out of PGI Sheet 1 mm thick of size not less than 0.7 m X 0.7M and height 0.2m complete.

Top cover made out of PGI Sheet 1 mm thick of size as directed.

Front panel made out of PGI Sheet 1 mm thick of size not less than 0.5m width and 0.7m height with front directional grill and MS bracket for installing fan motor complete.

M&L for dismantling the parts of desert cooler for body painting after scraping out of old paint of complete body (internally & externally) of Desert Coolers making good, smooth surface and applying spray painting with one coat of synthetic enamel paint for external surfaces/ internal surface, refixing of all parts, testing complete all as specified and directed. Note:- Painting has to done with proper spray paint gun and other T&P, rates to which deemed to be included in above rates

Maint and repair of Ceiling/Exhaust/wall fans Taking down from site, transporting to workshop and over hauling, servicing and repair of ceiling fan/exhaust fan/wall fan/air circulator fan/pedestal fan of any sweep/make i.e. opening of fan and cleaning ball bearing, filling grease/oil and changing of nut, screw, check nuts and bolts as required incl. cleaning of body, blades, down rods, canopies etc and re-assembling including refixing at site complete all as specified and directed. Note:- (i) The replacement of defective / nonfunctional parts shall be measured & paid for separately as “Supply only” under appropriate item of Sch ‘A’ and fixing charges for new items are deemed to be included under this item. (ii) Burnt out windings (except ceiling fans) wiil be replaced and shall be measured and paid for separately under appropriate item of Sch ‘A’ for rewinding. (iii) The rates for above items are deemed to include for transportation to & fro of fans to workshop if required and approved by the Engineer-in-charge for necessary repairs. (iv) Remetaling of motor shaft, polishing and grinding and making to standard size to matching with GM Bush deemend to be included in above rates (v) Painting of ceiling fan if required shall be measured and paid for separately under appropriate item of Sch ‘A’

Supply and fixing in repair following spare parts suitable for fans of existing make or existing capacity:-

Metal bush bearing for ceiling fan/ exhaust fan/ cabinet/ pedestal fan of any make/ sweep complete

Capacitor 3.15/ 4 mfd + 5% 440V AC. Make: Usha/ Asian/ Crompton Greaves/ Sriram/ Havells/ Epicos/ Totaline as approved by GE

Capacitor 2.5 mfd rating complete all as specified and directed. Make: Usha/ Asian/ Crompton Greaves/ Sriram/ Havells/ Epicos/ Totaline as approved by GE.

Ball bearing size No. 6201/6202/6203 for ceiling/exhaust fan

Rotor shaft for Ceiling/exhaust fan of any make/sweep complete all as specified and directed.

Canopy for ceiling fan as per sample suitable for any sweep / make as required complete all as specified and directed.

CLIP for down rod complete with rubber reel and nut bolts for ceiling fans complete all as specified and directed.

Down rod of size 1 ft/2ft for ceiling fans complete all as specified and directed.

Down rod of size 3ft for ceiling fans complete all as specified and directed.

S&F Fan blade made out of aluminium, painted with white colour and suitable for 1200 mm sweep ceiling fan complete all as specified and directed.

S&F Fan blade made out of aluminium, painted with white colour and suitable for 1400 mm sweep ceiling fan complete all as specified and directed.

S&F Fan hook made out of 40x6 mm flat iron suitable for hanging of ceiling with proper size nut bolt and washers to be fixed in pipe of 40 mm bore dia fixed in repair complete all as specified and directed.

M&L for painting of ceiling fans complete, in situ with synthetic enamel paint by spraying including filling cavities with filler, one coat after cleaning all dust etc incl re-marking MES No. complete all as specified and directed.

S&F Stepped socket type electronic fan regulator flush type AC 230 volt 120 W suitable for any type of ceiling fan fixed in repair complete all as specified and directed.

S&F mettalic louvers circular or square for opening of exhaust fan of size 250/300 mm complete all as specified and directed.

S&F mettalic louvers circular or square for opening of exhaust fan of size 380/450 mm complete all as specified and directed.

Taking out & removing old burnt-out windings of electric fans of any description and rewinding of fan motor with appropriate size super enameled copper wire (gauge/ weight of copper coil shall be same as per dismantled fans) as approved by the Engineer-in-charge including insulating material such as illuminous paper, Letherized paper, cotton tape, glass sleeving, insulating varnish etc testing at workshop and transportation to site, connecting and testing on full load to the entire satisfaction of Engineer-in-charge for the following Fans:-

Exhaust Fan of 450 mm sweep size

Exhaust Fan of 300/380 mm sweep size

Exhaust Fan of 225/230 mm sweep size

Cabin/padestal Fan of 400 mm sweep size

M&L for GI tubing 40mm bore medium grade in required length and grouting in wall for hanging of ceiling fan all as directed by Engr- in -Charge ande making good disturbed surface of wall to match existing surface complete al as specified and directed.

Supply and fixing ceiling fans complete with blades, down rods, and accessories, 230 V, 1200 mm sweep. Min air delivery 210 CFM with service value 6.00 BEE. Five star rated with brushless direct current motor (BLDC) with remote complete all as specified and directed. Make:-Atomberg/Crompton/Havells

Supply and fix exhaust fan, steel body AC single Phase. 230V of size 450 mm sweep with, blades, and frame and louvers complete all as specified and directed. Make:-Usha/Crompton/Khaitan

Supply and fix exhaust fan, steel body AC single Phase. 230V of size 300 mm sweep with, blades, and frame and louvers complete all as specified and directed. Make:-Usha/Crompton/Khaitan

Supply and fix exhaust fan, steel body AC single Phase. 230V of size 380 mm sweep with, blades, and frame and louvers complete all as specified and directed. Make:-Usha/Crompton/Khaitan

Supply and fix exhaust fan made of sturdy Engineering plastic complete with louvers shutter, voltage 230V, 50 Hz, RPM 1200, Copper winding of sweep 300 mm complete all as specified and directed. Make:-Usha/Crompton/Khaitan

Supply and fix exhaust fan made of sturdy Engineering plastic complete with louvers shutter, voltage 230V, 50 Hz, RPM 1200, Copper winding of sweep 250 mm complete all as specified and directed. Make:-Usha/Crompton/Khaitan

Supply and fix wall fan made of sturdy Engineering plastic complete voltage 230V, 50 Hz, RPM 1200, Copper winding of sweep 400 mm complete all as specified and directed. Make:-Usha/Crompton/Khaitan. Note for item No. 20 to 26:- Old UNSV ceiling Fan/Exhaust Fan/ Fan wall obtained against item No. 20 to 26 shall be deposited in MES store yard. Rate for taking down & transporting to store are inclussived in rate to be quoted for same.

Maint and repair of Geysers Taking down carefully existing geyser of any capacity after disconnecting all electrical and water supply connection and removing the geyser & bring to E&M store yard for opening the geyser, cleaning all the serviceable parts throughly including descaling the geyser, replacing the defective/ wornout parts/ material reassembling the geyser after repair testing for proper functioning, including re-fixing the same with fastners and reconnecting the geyser with electric and water supply line and testing as directed, complete all as specified and directed. Note:- (a) Spare parts required for replacement shall be measured and paid separately .

Repair to leakage of inner tank including assembly 25/50 litre capacity geyser by brazing or soldering, including cutting of nut, bolt, washer etc, as required with gas welding cutter and provinding new nut, bolt, washer etc including testing of leakage of tanks, complete all as specified and directed.

S&F in repair Heating element threaded/ screwed/ triangular or cup style type 1500/2000 Watt ISI marked of suitable make without taking down Geyser, complete all as specified and directed.

S&F in repair Thermostat suitable for 25 or 50 litre capacity of geyser, range 20 to 80 degree ISI marked, without taking down geyser, complete all as specified and directed.

S&F geyser assembly any type as per sample suitable for geyser of capacity 25 ltrs any type as per sample complete all as specified and directed.

S&F geyser assembly any type as per sample suitable for geyser of capacity 50 ltrs any type as per sample complete all as specified and directed.

S&F in repair connection piece SS type heavy duty with brass union/ coupling of length 450 mm with rubber washer suitable for 15 mm dia pipe for hot or cold water connection, without taking down geyser, complete all as specified and directed.

S&F in repair Indicator lamp assembly with bulb suitable for geysers round or square type of approved make and quality as approved, without taking down geyser, complete all as specified and directed.

M&L One coat painting of Geyser at site by spray gun painting of 25 litre capacity with synthetic enamel paint including preparation of old surface and re-writing or marking MES number, complete all as specified and directed.

M&L One coat painting of Geyser at site by spray gun painting of 50 litre capacity with synthetic enamel paint including preparation of old surface and re-writing or marking MES number, complete all as specified and directed.

Supply and fix electric water heater, storage type steel body and heating element upto 2 KW capacity 25 litre, BEE 5 Star rated complete with all accessories such as safety valve, thermostate, NRV, PVC connection (02 nos) etc.complete all as specified and directed.

Supply and fix electric water heater, storage type steel body and heating element upto 2 KW capacity 50 litre, BEE 5 Star rated complete with all accessories such as safety valve, thermostate, NRV, PVC connection (02 nos) etc.complete all as specified and directed.

Taking down solar water heating system panel of 200 litres capacity, any make and type carefully for cleaning dust, cleaning the water collector tubes including descaling the existing hot water storage tank of any capacity and refixing after repair complete all as specified and directed. Note:- Spare shall be measured & paid seperately

M&L for Gun metal globe or gate valve, 15mm bore, complete all as specified and directed.

M&L for Non return valve 15mm dia made of bronze ISI marked heavy duty, complete all as specified and directed.

M&L for Painting of complete system after scrapping and cleaning old painted surfaces with synthetic enamel paint including writing MES No complete all as specified and directed

M&L for Sub main wiring with two single core PVC insulated unsheathed, grade cable 4.0 sq.mm (nominal area) FRLS type multi stranded copper conductor and one run of 4 sq.mm nominal cross sectional area FRLS PVC insulated unsheathed multistranded copper conductor green colour as continuous earth wire connected to common earth as per IS including provision of cutting chases for conduit and sinking for boxes including making good to walls disturbed surfaces and applying finishes to match existing surfaces and laying through and including provision of 20mm dia 'medium grade' PVC conduit and fittings, complete all as specified and directed. Note:- (i) Two runs of 4 sq.mm copper conductor, one run of 4 sq.mm copper earth continuity conductor and one run of PVC conduit and its fittings shall be measured as one unit length. (ii) Extra length of cable / wire required for connection to MCBs shall not be measured and the rate quoted per unit shall deemed to be inclusive of the same accordingly.

M&L for Sub main wiring with two single core PVC insulated unsheathed, grade cable 6.0 sq.mm (nominal area) FRLS type multi stranded copper conductor and one run of 6 sq.mm nominal cross sectional area FRLS PVC insulated unsheathed multistranded copper conductor green colour as continuous earth wire connected to common earth as per IS including provision of cutting chases for conduit and sinking for boxes including making good to walls disturbed surfaces and applying finishes to match existing surfaces and laying through and including provision of 20mm dia 'medium grade' PVC conduit and fittings, complete all as specified and directed. Note:- (i) Two runs of 6 sq.mm copper conductor, one run of 6 sq.mm copper earth continuity conductor and one run of PVC conduit and its fittings shall be measured as one unit length. (ii) Extra length of cable / wire required for connection to MCBs shall not be measured and the rate quoted per unit shall deemed to be inclusive of the same accordingly.

M&L for Sub main wiring with two single core PVC insulated unsheathed, grade cable 10.0 sq.mm (nominal area) FRLS type multi stranded copper conductor and one run of 10 sq.mm nominal cross sectional area FRLS PVC insulated unsheathed multistranded copper conductor green colour as continuous earth wire connected to common earth as per IS including provision of cutting chases for conduit and sinking for boxes including making good to walls disturbed surfaces and applying finishes to match existing surfaces and laying through and including provision of 20mm dia 'medium grade' PVC conduit and fittings, complete all as specified and directed. Note:- (i) Two runs of 10 sq.mm copper conductor, one run of 10 sq.mm copper earth continuity conductor and one run of PVC conduit and its fittings shall be measured as one unit length. (ii) Extra length of cable / wire required for connection to MCBs shall not be measured and the rate quoted per unit shall deemed to be inclusive of the same accordingly.

M&L for Earthing complete with GI earth plate electrode 600mm x 600mm x 6mm thick buried directly in ground vertically to a depth of not less than 2.25m deep below ground level with the top edge of earth plate at a depth of not less than 1.5m below ground level connected to GI earth lead of 4mm dia by means of bolts, nuts, washers of galvanised iron or steel, GI earth wire shall be protected by 15mm dia GI pipe 'light grade', GI wire meshed funnel, alternate layer of charcoal and salt on all side to earth plate upto a thickness of 150mm, filling of black cotton soil in earth pit upto GL and connected to earth plate including necessary excavation & earthwork, PCC (1:3:6) type C-1 earth chamber and mild steel angle iron frame 40 x 40 x 3 mm and 40mm thick pre-cast RCC cover (1:2:4), type B-1 (using 20mm graded crushed aggregate) mix with 8mm dia MS bars @75mm c/c both ways, mild steel handle 12mm dia, PGI funnel and wire mesh, 15mm dia GI pipe 'medium' grade(ISI marked) for watering, etc complete all as shown in electrical plate No.3 connected to earthing test point, including testing on completion, complete all as speciifed and as directed. Note:- The quoted rates shall also deemed to include the cost of Earth Test point and earth wire and protection pipe upto 7.5 metre beyond the earth plates electrode.

S&F two pin and earth plug and socket set of current rating 20 Amps in existing box complete all as spicified and directed.

S&F in repair MCB 6 to 32 Amps Single pole 'C' series, 10 KA complete all as specified & directed.

S&F in repair MCB 32 Amps Double pole 'C' series, 10 KA complete all as specified & directed

S&F in repair sheet steel enclosure in single pole and neutral fitted with two pin and earth plug and socket of current rating 20 Amps complete with fixing one single pole MCB. 'C' series of current rating 20/25 Amps incl taking out existing DB complete all as specified and directed.

Maint and repair of AC Plant M&L for checking the leakage in both low and high side of the system by feeding dry nitrogen upto 300 PSI to maintain adequate pressure in the system, plugging the leaks including S&F in replacement of Teflon sealing of all refrigerant line valves like liquid lines valves/ suction/ discharge valves of compressors, gland packages of all angle valves flaring of all connections framing welding etc complete for AC plant of capacity 2x25TR-Plant, complete all as specified and directed by Engr-in-Charge.

M&L for opening the upper sheet and side sheet of AHU for access to cooling coil including for washing/cleaning of cooling coil externally with mild acid (or caustic soda hot water solution) followed by water jet including cleaning/washing of air filters and re-fixing and changing of V Belt both set with necessary fitting and T&P for mounting for AC plant of capacity 2x25TR-Plant, complete all as specified and directed by Engr-in-Charge.

Removing burnt/defective sealed compressor unit of any make from any type of central type AC plant capacity 12.5 TR by cutting of suction and discharge lines unscrewing the foundation nuts, bolts etc, supply and fixing of new sealed compressor scrol type unit of make as existing by connecting suction and discharge lines with gas welding/brazing work and tightening foundation nuts & bolts etc all as directed

M&L for dismantling of electric driven horizontal induction motor of capacity 5/7.5 HP of any type and make, by engaging sufficient man power and suitable T&P to ensure safety of motor including disconnecting of electric connections, dismantling of motor, taking out the burnt windings, cleaning and washing of slots and rewinding the same with copper winding wire of existing gauge and quantity (as per original manufacturer design) including replacement of all damaged parts i. e. bearings, bush, thrust plate, thrust bearing, connector plate, insulating materials such as insulating sheets insulating paper (Class "F"), sealing compounds etc and reassembling the motor after varnishing, heating/drying, greasing of moving parts etc and reinstallation of the motor in original location, checking the alignment, making proper electric connection, testing for smooth operation, complete all as directed. Note : (i) The cost of winding wire and all replaced defective parts are deemed to be included in quoted rates and no extra cost shall be paid to the contractor in this effect. (ii) The cost of transportation (to and fro) and other necessary equipment shall be arranged/brought by contractor to complete the job at site or at repair shop and no extra cost shall be paid to the contractor in this effect.

All as per srl item no 46 here-in-above but for 3/2 HP capacity.

M&L for complete overhauling of condenser / chiller centrifugal pumpset of 5 HP by engaging sufficient man power and suitable T&P to ensure safety of pump-motor as well as working persons including disconnecting suction & discharge water lines and removing of electric connection, dismantling the U/S pumpset from MS foundation, detaching the pump, opening the pump, remelting the shaft and filling of metal at decayed portions including all kind of machine works i.e. welding, turning, polishing etc as required to make the shaft of required shape and size, as original, balancing the shaft and refitting in pump body complete incl carrying out complete repair / replacement of damaged parts i.e. bearings, bush, gland plate, gland packing, coupling assembly etc and reassembling the pump after greasing of moving parts and reinstallation of the pump with motor in original location using new MS stud, nut, bolt, washer and other packing material etc; checking the alignment; reconnecting the suction and delivery pipes, making proper electric connection, testing and commissioning for smooth operation at optimum efficiency, complete all as directed.

All as per srl item no 49 here-in-above but for 3/2 HP capacity.

M&L in replacement Y-type strainer flanged type as per existing 50/80mm dia, complete all as specified and directed by Engineer-in-Charge. Make :- Zoloto/Leader /Zenith / Crescent

M&L in replacement CI sluice valve flanged type as per existing 50/80mm dia, complete all as specified and directed by Engineer-in-Charge.

M&L in replacement CI sluice valve flanged type as per existing 100 mm dia, complete all as specified and directed by Engineer-in-Charge.

M&L in replacement CI NRV flanged type as per existing 50/80mm dia, complete all as specified and directed by Engineer-in-Charge.

M&L for cleaning of all condensor tubes of central AC plant by disconnecting the condensors -02 Nos from the system, cleaning by descaling pump using descaling solution of Make:-MAIC / HIBIRD or Hydrochloric acid 20%, cleaning the system through cooling tower by using descaling solution, cleaning condensor tubes by nylon brushes & mild steel rods of suitable size, renewal of suction water filter for 2x25 TR capacity plant at SCE. complete all as specified and directed by Engr-in-Charge. (Note:- T&P such as pumps, tube etc & descaling solution etc shall be arranged by the contractor at his own cost.)

Taking out old PVC /HDPE fins cooling tower, cleaning inside and outside , refixing PVC /HDPE fins for proper cooling , any size of cooling Tower ,including replacement of Nozzel , complete all including testing complete all as specified and directed.

Quarterly Periodical, preventive & comprehensive maintenance by dis-assembly, repairing, overhauling, servicing & testing of complete inner tank, Elements, inlet and out let pipe, valves of Hot water generator installed at AC plant including descaling, replacement of gaskets complete incl painting with two coat of heat resistant paint of smoke grey colour complete.

S&F in replacement, of three phase heating element capacity 30KW( set of 06 Nos) capacity, ISI marked of existing shape and size suitable for hot water generator and making electric connections and taking down old unserviceable heating elements, complete all as directed. Make : Daspass / Theata/Rapid Cool

Supply only Single phase preventer with Auto switch . Type- Cat No 2.BSP-2, complete all as specified and directed by Engineer - in - Charge. Make- Bentex / Minilec

Supply only MCCB (AC 415 V) with adjustable thermal & adjustable magnetic setting Four pole 400 Amp 36 KA, complete all as specified and directed by Engineer - in - Charge.

Supply only MCCB 100 A, 3 Pole, 415 V, 35 KA Breaking capacity, with fixed thermal magnetic release, complete all as specified and directed by Engineer - in - Charge.

Supply only Moulded Case Circuit Breaker (MCCB) (AC 415 V) with adjustable thermal & adjustable magnetic setting Three pole 63 Amp 25 KA , complete all as specified and directed by Engineer-in-charge.

Supply only Moulded Case Circuit Breaker (MCCB) (AC 415 V) with adjustable thermal & adjustable magnetic setting Three pole 40 Amp 25 KA , complete all as specified and directed by Engineer-in-charge.

Supply only Motor protection circuit breaker thermal overload relays suitable for ML contactors relay range 10-16A, complete all as specified and directed by Engineer-in-Charge. Make-Havells/L&T/Legrand

Supply only Power contactor 3 pole Type 3 ML AC 3 rating 40 A with auxiliary contact 2NO + 2NC, complete all as specified and directed by Engineer-in-Charge. Make- L&T cat part No - SS90721 or equivalent in Legrand

Supply only Power contactor 3 pole Type MNX 25 A AC 3 rating 25 A with auxiliary contact 2NO + 2NC, complete all as specified and directed by Engineer-in-Charge. Make- L&T cat part No - SS90921 or equivalent in Legrand

Supply only Power contactor 3 pole Type 1.5 ML AC 3 rating 25 A with auxiliary contact 2 NO + 2 NC, Cat No - SS91851 Make- L&T/Legrand

S&F Fan Belt suitable for AHU fan as existing type and model complete all as specified and directed

Supply and install water filter (RO+UV+UF) with minumum 7 ltr of storage capacity including all necessary fittings complete all as specified and directed Make:- Livpure/Kent/Eureka Forbes