REPAIR / REPLACEMENT OF SUMMER APPLIANCES, CENTRAL AIR-CONDITIONING PLANTS, PACKAGE TYPE AIR-CONDITIONERS, SPLIT AND WINDOW AIR-CONDITIONERS, REFRIGERATORS, WATER COOLERS, ETC., AND CONNECTED WORKS AT COOCH BEHAR, TELEPARA AND BINNAGURI MIL STN UNDER

Amount

Dismantling of defective refrigerator of any make and capacity, including transportation to and from the workshop for thorough checking of all accessories and components. The work includes repairs, reassembling after rectification or replacement of defective parts, and final testing, complete all as directed by the Engineer-in-Charge. Note: (a) New accessories/components, if required, shall be measured and paid for separately. (b) Labour charges for fixing new parts are deemed to be included in this item. (c) Repairs involving body overhauling, sealed unit (compressor), gas charging, painting, etc., shall also be measured and paid for separately. (d) Old serviceable accessories/components retrieved during dismantling shall be refixed as directed, and the labour charges for refixing shall be deemed included in this item.

Supply only Cooling chamber including cooling coil of existing size shape suitable for refrigerator of size and of capacity 165/180 litres having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Cooling chamber including cooling coil of existing size shape suitable for refrigerator of size and of capacity 250/286/310 litres having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Thermostat defrost type switch suitable for refrigerator of capacity 165/220/310 litres having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only PTC relay with built-in overload protection, suitable for refrigerators having a capacity range of 165 to 300 litres having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Cooling coil of suitable for size of refrigeration capacity of 250/280/310 litres having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Magnetic door gasket including fixing accessories for refrigerator of 250/286/310 Litres capacity having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Capillary tube of size 0.36 for any type/size refrigerator having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Thermostat suitable for 250/286/310 litre having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Door switch for refrigerator of any capacity having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only LED lamp suitable for refrigerator of capacity 165/250/310 litres having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Copper pencil strainers of size 4" long double mouth having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only PVC chillar tray for refrigerator of capacity 165 litres having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Wiring set complete consisting of PVC insulated flexible wire with stranded copper conductor of size 1.5 sqmm and fixing clips for refrigerator all types having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Bimetal 2 wire / 3 wire / 4 wire having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Running capacitor 6 / 10 mfd having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Forst free fan motor SP 230 volts having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Sensor for cooling coil having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Condenser coil for 165 to 200 Litres having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Condenser coil for 250 to 310 Litres having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

M&L for replacement of PCB of refrigerator having capacity ranging from 165 to 310 litres, of existing make having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

M&L for replacement to inverter type PCB of refrigerator having capacity ranging from 165 to 310 litres, of existing make having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and charging of refrigerant gas R-134A or equivalent, including all necessary arrangements for gas charging and pressure testing, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of heating coil including necessary fixing accessories, suitable for refrigerators of 250 / 286 / 310 litres capacity having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Taking out burnt compressor after disconnecting suction and discharge lines, and supplying and fixing a new compressor of existing make and type, including testing complete all as specified and directed, for refrigerator of capacity 165 / 180 litres, complete all as specified and directed by the Engineer-in-Charge. (Re-charging of gas shall be measured and paid for separately.)

Taking out burnt compressor after disconnecting suction and discharge lines, and supplying and fixing a new compressor of existing make and type, including testing complete all as specified and directed, for refrigerator of capacity 250/286/310 litres, complete all as specified and directed by the Engineer-in-Charge. (Re-charging of gas shall be measured and paid for separately.)

Re-charging of refrigerator gas (R-134A) for refrigerators of capacity 165 to 185 litres, after vacuuming, dehydration, and leak testing of the system as per standard practice to ensure proper cooling effect and satisfactory performance, complete all as specified and directed by the Engineer-in-Charge. (Re-charging of gas shall be measured and paid for separately.)

Re-charging of refrigerator gas (R-134A) for refrigerators of capacity 286 to 310 litres, after vacuuming, dehydration, and leak testing of the system as per standard practice to ensure proper cooling effect and satisfactory performance, complete all as specified and directed by the Engineer-in-Charge. (Re-charging of gas shall be measured and paid for separately.)

Supply and charging of refrigerant gas R-600, including all necessary arrangements for gas charging and pressure testing, complete all as specified and directed by the Engineer-in-Charge.

WATER COOLER Dismantling of defective water cooler (storage type) of 40 litres capacity, including transportation to and from the workshop for thorough checking of all accessories and components. Reassembling the same after repair or replacement of defective accessories/components and testing complete, all as specified and directed by the Engineer-in-Charge. Notes: (a) New accessories/components, if required, shall be measured and paid for separately. Labour charges for fixing are deemed to be included in the unit rate. (b) Repair of body, overhauling, sealed compressor unit, gas charging, painting, etc., shall be measured and paid for separately.

Dismantling of defective water cooler (storage type) of 80 litres capacity, including transportation to and from the workshop for thorough checking of all accessories and components. Reassembling the same after repair or replacement of defective accessories/components and testing complete, all as specified and directed by the Engineer-in-Charge. Notes: (a) New accessories/components, if required, shall be measured and paid for separately. Labour charges for fixing are deemed to be included in the unit rate. (b) Repair of body, overhauling, sealed compressor unit, gas charging, painting, etc., shall be measured and paid for separately.

Dismantling of defective water cooler (storage type) of 120 litres capacity, including transportation to and from the workshop for thorough checking of all accessories and components. Reassembling the same after repair or replacement of defective accessories/components and testing complete, all as specified and directed by the Engineer-in-Charge. Notes: (a) New accessories/components, if required, shall be measured and paid for separately. Labour charges for fixing are deemed to be included in the unit rate. (b) Repair of body, overhauling, sealed compressor unit, gas charging, painting, etc., shall be measured and paid for separately.

Supply only condenser coil for water cooler of 40 litres capacity, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only condenser coil for water cooler of 80 litres capacity, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only condenser coil for water cooler of 120 litres capacity, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Aluminium fan blade for blower motor for water cooler of capacity 40/80/120 litres capacity, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Wiring set complete consisting of PVC insulated cable wiring stranded copper conductor connecting clips etc suitable for water cooler 40/80/120 litres capacity, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Thermostat including plastic regulating knob as per existing for water cooler of cooling capacity 40/80/120 litres capacity, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Relay for water cooler type suitable for water cooler storage cooling capacity 40/80 litres/hrs capacity, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Relay for water cooler type suitable for water cooler storage cooling capacity 60/120 litres/hrs.

Supply only Self closing bib tap/push tap 15mm dia chromium plated steel suitable for water cooler 40/80/150/120 litre/hrs capacity, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only PVC connection pipe high density 15mm dia 300mm long including jubilee clamps for inner connection from tank outlet to tap, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only 15 mm dia PVC connection pipe 450 mm long complete with PVC union at both end, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only 15 mm bore Stop cock brass both end screwed, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only 15 mm dia Float valve/Ball valves high pressure, with polythene float and flynet complete, screwed for iron pipe or brass ferrule and fixed complete with all accessories, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Running Capacitor 10/15 mfd 230 volts AC, 50 Hz suitable for water cooler, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Starting Capacitor 40/60 mfd, 230 volts, having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only compressor suitable for 40/80 litre/hrs storage capacity including testing and having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge. Note:-(Recharging of gas will be measured and paid separately).

Supply only compressor suitable for 40/40 litre/hrs storage capacity including testing and having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge. Note:-(Recharging of gas will be measured and paid separately).

Supply only compressor suitable for 40/60 litre/hrs storage capacity including testing and having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge. Note:-(Recharging of gas will be measured and paid separately).

Taking out old burnt condenser fan motor and supplying and fixing new blower motor, suitable for water cooler of any make or type, including testing complete all as specified and directed by the Engineer-in-Charge.

DEEP FREEZER Dismantling of defective deep freezer of any capacity, size, and type, including transportation to and from the workshop for thorough checking of all accessories and components. Reassembling the same after repair or replacement of defective accessories/components and testing complete, all as specified and directed by the Engineer-in-Charge. Notes: (a) New accessories/components required shall be measured and paid for separately. Labour charges for fixing are deemed to be included in the unit rate. (b) Repairs such as body overhauling, sealed compressor unit, gas charging, painting, etc., shall be measured and paid for separately.

Supply only compressor suitable for deep freezer of 300 litres storage including testing and having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge. Note:-(Recharging of gas will be measured and paid separately).

Supply only deep fridge compressor for storage capacity of 400/500 litres storage including testing and having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge. Note:-(Recharging of gas will be measured and paid separately).

Supply only Relay for deep freezer of any size/capacity having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Thermostat for deep freezer having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only 4" condenser fan motor 240 volt having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

WINDOW TYPE AC Dismantling all electrical connections from the unserviceable compressor unit, disconnecting the gas line, and taking out the burnt compressor of 2 TR capacity. Supplying and installing new compressor of 2 TR capacity, 230 V, 50 Hz, suitable for window-type air conditioner, conforming to existing specifications, including mounting pads, nuts, bolts, and reassembling all connections, testing complete, all as specified and directed by the Engineer-in-Charge. Note: (a) Recharging of gas shall be measured and paid for separately.

Dismantling all electrical connections from the unserviceable compressor unit, disconnecting the gas line, and taking out the burnt compressor of 1.5 TR capacity. Supplying and installing new compressor of 2 TR capacity, 230 V, 50 Hz, suitable for window-type air conditioner, conforming to existing specifications, including mounting pads, nuts, bolts, and reassembling all connections, testing complete, all as specified and directed by the Engineer-in-Charge. Note: (a) Recharging of gas shall be measured and paid for separately.

Charging of refrigerant gas (R-22 / R-410A) for split or window type air conditioner of 1.5 TR capacity, after carrying out vacuuming, dehydration, and leak testing of the system as per standard testing practices to ensure proper cooling effect and satisfactory performance, complete all as specified and directed by the Engineer-in-Charge. Note: (a) Refrigerant gas R-22 shall be measured and paid for separately.

Charging of refrigerant gas (R-22 / R-410A) for split or window type air conditioner of 2 TR capacity, after carrying out vacuuming, dehydration, and leak testing of the system as per standard testing practices to ensure proper cooling effect and satisfactory performance, complete all as specified and directed by the Engineer-in-Charge. Note: (a) Refrigerant gas R-22 shall be measured and paid for separately.

Supply only Starting capacitor 60/40 Mfd having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Starting capacitor 80/100 Mfd having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

M&L for replacement to inverter type PCB for outdoor unit of split AC of capacity 1.5/2.0 TR including making connection having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

M&L for replacement to inverter type PCB for indoor unit of split AC of capacity 1.5/2.0 TR including making connection having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only thermostat switch having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only cooling coil sensor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

M&L for replacement of PCB of window AC of 1.5/2.0 TR capacity including making connection having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of swing motor for indoor unit having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and charging of refrigerant gas R-22 or equivalent for Split or Window type air-conditioning unit, including all necessary arrangements for charging, pressure testing, and ensuring proper system performance, complete all as specified and directed by the Engineer-in-Charge

Supply and charging of refrigerant gas R-410 or equivalent for Split or Window type air-conditioning unit, including all necessary arrangements for charging, pressure testing, and ensuring proper system performance, complete all as specified and directed by the Engineer-in-Charge

Taking out the old burnt double-shaft blower motor and supplying, fixing, and testing a new blower motor suitable for Window-type air-conditioning unit, having specifications similar to the existing one, complete all as specified and directed by the Engineer-in-Charge.

M&L for cutting through brick wall built in cement mortar for window type AC of any size /capacity and making good with cement mortar 1:4 including three coat of white washing on new plastered surface including preparation of surface complete to match with existing, complete all as specified and directed by the Engineer-in-Charge.

Supply only PVC Front grill suitable for Window AC of suitable size for 1.5/2 TR capacity having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

VOLTAGE STABILIZER Carrying out rewinding of the affected section of the voltage stabilizer as required, ensuring that the correct gauge and the specified number of turns are maintained, complete all as specified and directed by the Engineer-in-Charge.

Carrying out rewinding of the affected section of the 1.5 TR air-conditioning unit as required, ensuring that the correct gauge and specified number of turns are maintained, complete all as specified and directed by the Engineer-in-Charge.

SPLIT AC Disconnecting all electrical connections from the unserviceable compressor unit, disconnecting gas lines, and taking out the burnt compressor of 2 TR capacity, including transportation to and from the workshop. Supplying and installing a new rotary or reciprocating type compressor of 2 TR capacity, 230 V, 50 Hz, suitable for Split air-conditioning unit, including mounting pad, nuts, bolts, and reassembling all connections, testing for proper performance, complete all as specified and directed by the Engineer-in-Charge. (Note: Recharging of refrigerant gas shall be measured and paid for separately.)

Disconnecting all electrical connections from the unserviceable compressor unit, disconnecting gas lines, and removing the burnt compressor of 1.5 TR capacity, including transportation to and from the workshop. Supplying and installing a new rotary or reciprocating type compressor of 1.5 TR capacity, 230 V, 50 Hz, suitable for Split air-conditioning unit, including mounting pads, nuts, bolts, reassembling all electrical and refrigerant connections, and testing for proper operation, complete all as specified and directed by the Engineer-in-Charge. Note: Recharging of refrigerant gas shall be measured and paid for separately.

Disconnecting all electrical connections from the blower motor and removing the unserviceable burnt blower motor from the outdoor unit. Supplying and installing a new blower motor suitable for 2/1.5 TR Split Air-Conditioning unit, including reassembling all electrical connections in their original positions and testing for proper operation, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of remote control assembly complete with control circuit or connected wire suitable for Split type air-conditioning unit of capacity 2 TR/1.5 TR, including all necessary connections and testing, complete all as specified and directed by the Engineer-in-Charge.

apply and fix swing motor (synchronous type), AC 220 V, 50/60 Hz, suitable for Split type air-conditioning unit, including necessary connection wire after taking out the old one, complete all as specified and directed by the Engineer-in-Charge.

Dismantling all electrical connections and taking out the outdoor unit of Split type air-conditioning unit after disconnecting suction and liquid lines; carrying out repair, cleaning, servicing, and overhauling of the unit including air filter, blower motor (outdoor), and adjustment of remote control; checking all electrical devices including fixing cable socket/gland, reassembling, fixing in position, and checking for leakage. Charging refrigerant gas as required in the system, complete all as specified and directed by the Engineer-in-Charge. Note: 1. (spares required for repair and gas shall be measured and paid separately). 2. Contractor shall attend any type of complaint as and when required, and no extra payment on this account shall be allowed.

Dismantling all electrical connections and taking out the indoor unit of Split type air-conditioning unit after disconnecting suction and liquid lines; carrying out repair, cleaning, servicing, and overhauling of the unit including air filter, blower motor (indoor), and adjustment of remote control; checking all electrical devices including fixing cable socket/gland, reassembling, fixing in position, and checking for leakage. Charging refrigerant gas as required in the system, complete all as specified and directed by the Engineer-in-Charge. Note: 1. (spares required for repair and gas shall be measured and paid separately). 2. Contractor shall attend any type of complaint as and when required, and no extra payment on this account shall be allowed.

Supply only AC contactor relay for split AC having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Starting relay for 1.5/2.00 TR split AC having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Capillary tube of size 0.45 having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Capillary tube of size 0.55 having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Copper pipe 1/2" for liquid line including fittings having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Copper pipe 5/8" for suction line including fittings having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Copper pipe 1/4" for liquid line including fittings having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Copper pipe 3/8" for suction line including fittings having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Supply and fix Copper pipe 3/16" having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only PVC Fan blade suitable for outdoor condenser unit including necessary brass nut bolt etc. having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Running capacitor 50/2 mfd series 8 pole having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only Running capacitor 50/6 mfd series 9 pole having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of PVC insulated four core copper flexible wire of size 2.50 sqmm 1100 volts grade including taking out old one having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of Reversible valve for AC having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of PVC insulated three core copper flexible wire of size 2.50 sqmm 1100 volts grade including taking out old one having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of PVC flexible pipe 25 mm dia for cable protection including necessary clamps, screw etc having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of PVC drain pipe 25 mm dia suitable for spilt AC with necessary saddle screws having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of outdoor unit condenser coil for Split AC 1.5 TR capacity having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of outdoor unit condenser coil for Split AC 2.0 TR capacity having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of air filter for Split AC having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of liquid sensor for Split AC 1.5/2.0 TR capacity having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of Air sensor for Split AC 1.5/2.0 TR capacity having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of Compressor leg bush of any size for 1.5/2.0 TR capacity having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Taking down the old unserviceable remote control assembly, dismantling the unit, and replacing unserviceable components such as PCB, transformer, and magnetic coil suitable for Split type outdoor air-conditioning unit; reassembling the same and testing for proper operation, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of factory made AC stand made out of angle ,flat etc. including fixing in wall with , nuts and bolts having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of outdoor unit of Split AC 2.0 TR with all accessories (compressor, wiring, copper pipes ) incl fixing to Wall or floor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of outdoor unit of Split AC 1.5 TR with all accessories (compressor, wiring, copper pipes) incl fixing to Wall or floor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of indoor unit of Split AC 2.0 TR with all accessories (cabinet, wiring, copper pipes, remote control ) incl fixing to wall or floor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of indoor unit of Split AC 1.5 TR with all accessories (cabinet, wiring, copper pipes, remote control ) incl fixing to wall or floor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and filling of refrigeration Gas R-32, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of over replacement double door metal plug & socket DB having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

CASSETTE TYPE/ PACKAGE TYPE AC Disconnecting all electrical connections from the unserviceable compressor unit, disconnecting gas lines, and taking out the burnt compressor of 4 TR capacity, including transportation as required. Supplying and installing a new compressor of 4 TR capacity, 230 V, 50 Hz, suitable for cassette type or package type air-conditioning unit, including mounting pad, nuts, bolts, and reassembling all connections in their original location. Testing the system for proper operation, complete all as specified and directed by the Engineer-in-Charge. (Note : Recharging of refrigerant gas shall be measured and paid for separately. New accessories or components, if required, shall be measured and paid for separately. Labour charges for fixing are deemed to be included in the unit rate.)

Supply only water drain motor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only blower motor for outdoor unit having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only blower motor for indoor unit having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only cooling coil sensor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

M & L for replacement of PCB board for indoor/outdoor unit of cassette type/ package type AC after dismantling old one having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of MNX 25, 3 phase contactor for out door unit having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Central AC Plant Disconnecting discharge and suction lines of 45/50 TR capacity reciprocating compressor (6-cylinder) Make: Voltas Limited, Model No. 05060S. Opening the compressor, draining out old compressor oil, cleaning/washing oil strainers and oil sump, servicing of oil pump, and overhauling of oil suction and discharge valves with ring plate and seat cutting, including all necessary machining work. Reassembling the compressor after complete overhauling, fixing of spares, and carrying out leak testing under full load conditions, complete all as specified and directed by the Engineer-in-Charge. Note: Spares required during overhauling shall be fitted under this item but measured and paid for separately under relative item of this schedule.

supply only Piston std size of existing quality suitable for compressor of capacity 50 TR 6 Cylinders having similar specifications as the existing one having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only piston ring assembly including pressure ring and oil ring, suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only gasket set complete, suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only connecting-rod small-end bearing suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only connecting-rod big-end bearing suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only connecting-rod for compressor as per existing model and specification having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only gudgeon pin suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only main bearing for crankshaft suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only shaft-seal assembly suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only oil-pump assembly complete, suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only compressor oil (Capila-D) of approved make such as Fezol or Veedol, suitable for 50 TR capacity reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only suction- and discharge-valve-plate assembly complete, suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only suction-valve ring-plate complete with guard, nuts and bolts (set of 3 pcs), suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only discharge-valve ring-plate complete with guard, nuts and bolts (set of 3 pcs), suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only head bolt for compressor suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply only unloading-power-element assembly suitable for 50 TR capacity, 6-cylinder reciprocating compressor having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

S&F of HP cut out system (type MP - 5) as per existing in the pressure range panel including taking out old unserviceable HP cut out from the existing position having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

S&F LP cut out (type MP - 1) in the pressure range panel including taking out old unserviceable LP cut out from the existing position having similar specifications as the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fixing of HP cut-out system (Type MP-5) as per existing in the pressure range panel, including taking out the old unserviceable HP cut-out from its existing position and providing a new one of similar specifications, complete all as specified and directed by the Engineer-in-Charge.

Taking out the defective HP gauge from the panel board, dial type 80 mm diameter, suitable for use with Freon gas having pressure range 0–300 PSI, and supplying and fixing a new HP gauge of similar specifications in the same position, complete all as specified and directed by the Engineer-in-Charge.

Taking out the defective oil pressure gauge from the panel board, dial type 80 mm diameter, suitable for use with refrigerant oil in the pressure range 0–200 PSI, and supplying and fixing a new oil pressure gauge of similar specifications in the same position, complete all as specified and directed by the Engineer-in-Charge.

Taking out the broken connecting tube along with the defective water pressure meter from the existing position, and supplying and fixing a new water pressure meter of 0–200 PSI range, dial type, complete with GI connecting tube 50 mm bore, medium grade, 15 cm long, including necessary GI fittings and one GM gate valve of 15 mm bore, and carrying out tapping/drilling as required to remove broken pieces from position, complete all as specified and directed by the Engineer-in-Charge.

Cleaning of deposited scale from condenser tubes of chiller air-conditioning plant of 1 × 50 TR capacity by using nylon brush, suitable descaling chemicals, and fresh water flushing after carefully opening cover plates, pipe connections, etc.; refixing the entire assembly and accessories in their existing position after replacement of gasket set, bolts, and defective drain water pipe nipples, complete all as specified and directed by the Engineer-in-Charge.

Pumping out the refrigerant gas from the system and testing for leakages by charging adequate quantity of CO₂/N₂ gas, repairing any detected leakages, evacuating the system, and commissioning the plant to ensure smooth and satisfactory functioning of the complete air-conditioning system of capacity 3 × 50 TR, complete all as specified and directed by the Engineer-in-Charge.

Cleaning of cooling coil using detergent solution by pump and finally with CTC solution, including cleaning of air filters and ensuring free air circulation, complete all as specified and directed by the Engineer-in-Charge.

Supply and charging of refrigerant gas R-22 after dehydration, as per standard practice, including testing for proper cooling effect and satisfactory performance, complete all as specified and directed by the Engineer-in-Charge.

Removing old unserviceable water-line ring filter under the cooling tower, spray nozzle, and supplying and fixing new ring filter under the cooling tower up to the desired level, including spray nozzle of existing design, size, and shape in the position of old strainer, complete all as specified and directed by the Engineer-in-Charge.

Taking out defective thermostatic expansion valve carefully and supplying and fixing new thermostatic expansion valve power assembly as per existing make and model, suitable for AC plant of capacity 50 TR, in position, complete all as specified and directed by the Engineer-in-Charge.

Taking out unserviceable solenoid valve existing at AC plant and supplying and fixing new solenoid valve, electrically operated, single-phase 230 V, 50 Hz AC supply, of similar specification as the old one, including testing, complete all as specified and directed by the Engineer-in-Charge.

Supplying and fixing of pre-box fine filter unit as per existing size and specification (i.e., EU6 filters), overall size: 610 × 610 × 50 mm – 8 Nos., 305 × 610 × 50 mm – 4 Nos., 610 × 610 × 305 mm – 8 Nos., 305 × 610 × 305 mm – 4 Nos., suitable for main AHU of AC plant, including taking out the old one, complete all as specified and directed by the Engineer-in-Charge.

Supplying and fixing of pre-box fine filter unit as per existing size and specification (i.e., EU6 filters), overall size: 610 × 610 × 50 mm – 2 Nos., 305 × 610 × 50 mm – 2 Nos., 610 × 610 × 305 mm – 2 Nos., 305 × 610 × 305 mm – 2 Nos., suitable for OT AHU of AC plant, including taking out the old one, complete all as specified and directed by the Engineer-in-Charge.

Supplying and fixing of pre-box fine filter unit as per existing size and specification (i.e., EU6 filters), overall size: 400 × 512 × 50 mm – 6 Nos., suitable for ICU AHU of AC plant, including taking out the old one, complete all as specified and directed by the Engineer-in-Charge.

Supplying and fixing of safety valve of capacity 300 PSI, suitable for fixing to condenser (as per existing), including taking out the old one, complete all as specified and directed by the Engineer-in-Charge.

Taking down the electrical induction motor, squirrel-cage type, 3-phase, 415 V, of capacity 60 HP and 1450 RPM from base and drive pulley, and dismantling rotor and stator; reassembling the same after carrying out the following works, including commissioning and testing, complete all as specified and directed by the Engineer-in-Charge: (a) Cleaning the rotor and stator with CTC solution. (b) Replacement of unserviceable bearings (front and rear) No. 6313C3 and 6312C3. (c) Varnishing the stator with superior quality insulating varnish and heating the winding, complete. (d) Checking and tightening of coupling bolts and replacement of rubber inserts. (e) Carrying out heat varnishing with superior quality insulating varnish solution for field and armature coils and keeping in a heating chamber for 48 hours for proper drying. (f) Reassembling the complete motor and carrying out testing at workshop, including transportation for installation and coupling with compressor or pumping set, making necessary alignment and cable connections, complete all as specified and directed by the Engineer-in-Charge. (g Replacement of bearings.

Taking down the electrical induction motor, squirrel-cage type, 3-phase, 415 V, of capacity 7.5 HP / 10 HP, from base and drive pulley; dismantling rotor and stator, and reassembling the same after carrying out the following works, including commissioning and testing, complete all as specified and directed by the Engineer-in-Charge: (a) Cleaning the rotor and stator with CTC solution. (b) Replacement of unserviceable bearings (front and rear) No. 6308. (c) Varnishing the stator with superior-quality insulating varnish and heating the winding, complete. (d) Checking and tightening of coupling bolts and replacement of rubber inserts. (e) Carrying out heat varnishing with superior-quality insulating varnish solution for field and armature coils and keeping in a heating chamber for 48 hours for proper drying. (f) Reassembling the complete motor and carrying out testing at workshop, including transportation for installation and coupling with compressor / pumping set, making necessary alignment and cable connections, complete all as specified and directed by the Engineer-in-Charge. (g) Replacement of bearings.

Taking down the burnt electrical induction motor, squirrel cage type, 3-phase, 415 V, of capacity 20 HP and 1450 RPM from its base/drive pulley; dismantling rotor and stator; removing the burnt stator winding; thoroughly cleaning the stator slots; rewinding the same with super-enamelled copper wire of the same gauge as the original; heating, varnishing, and insulating with paper sleeves and cotton tapes as required; reassembling the motor; replacing front and rear bearings, motor terminals, and terminal cover; and testing and commissioning the unit complete all as specified and directed by the Engineer-in-Charge.

Taking down the burnt electrical induction motor, squirrel cage type, 3-phase, 415 V, of capacity 7.5/10 HP and 1450 RPM from its base/drive pulley; dismantling rotor and stator; removing the burnt stator winding; thoroughly cleaning the stator slots; rewinding the same with super-enamelled copper wire of the same gauge as the original; heating, varnishing, and insulating with paper sleeves and cotton tapes as required; reassembling the motor; replacing front and rear bearings, motor terminals, and terminal cover; and testing and commissioning the unit complete all as specified and directed by the Engineer-in-Charge.

Supply and install, in replacement of the unserviceable V-belt of size B66, a new V-belt of similar specifications to the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and install, in replacement of the unserviceable V-belt of size A29, a new V-belt of similar specifications to the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and install, in replacement of the unserviceable V-belt of size A30, a new V-belt of similar specifications to the existing one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fix automatic star-delta starter suitable for 3-phase, 10 HP induction motor, including taking out the unserviceable one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fix automatic star-delta starter suitable for 3-phase, 7.5 HP induction motor, including taking out the unserviceable one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fix automatic star-delta starter suitable for 3-phase, 20 HP induction motor, including taking out the unserviceable one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fix overload protector suitable for 3-phase, 10 HP induction motor, including taking out the unserviceable one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fix overload protector suitable for 3-phase, 7.5 HP induction motor, including taking out the unserviceable one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fix overload protector suitable for 3-phase, 15 HP induction motor, including taking out the unserviceable one, complete all as specified and directed by the Engineer-in-Charge.

Supply and fix, in replacement of the unserviceable cast iron butterfly valve of 100 mm diameter, a new one of similar specifications, complete all as specified and directed by the Engineer-in-Charge. Note - The contract sum shall be calculated by deducting the amount shown in Credit Schedule attached to this tender, from total amount of Schedule 'A'/BOQ.

M/S East India Traders (BID ID -3495020)