GE/U-45/2019-20

Amount

Taking out old existing unserviceable metal plug socket and S&F new metal plug and socket board complete enclosure single pole & neutral and earth plug with MCB SP 32 Amps, 220 Volts complete suitable for window/ Split type ACs complete all as specified and directed by Engr-in-charge.

Taking out old existing unserviceable DB and S&F Sheet Metal Enclosure with DBs single pole and neutral 2 Way, 240 volts by with one SPN MCB of capacity 40 Amps complete all as specified and directed by Engr-in-charge.

Taking out old existing unserviceable front show grill and S&F new front show grill for LG/Voltas /Sidwal window type AC 1.5 Ton complete all as specified and directed by Engr-in-charge (as per sample approved by GE)

Taking out old existing unserviceable inner unit of split type AC of capacity 1.5 Ton and S&F new inner unit of split type AC of capacity 1.5 Ton of existing shape, size and make complete all as specified and directed by Engr-in-charge. Make: Godrej/Carrier/Bluestar/Voltas.

Taking out old existing unserviceable outer unit of split type AC of capacity 1.5 Ton and S&F new outer unit of split type AC of capacity 1.5 Ton of existing shape and size with out compressor complete all as specified and directed by Engr-in-charge. Make: V Gaurd/Godrej/Bluebird.

Supply, install and testing of voltage stabilizer of Cap 4 KVA for automatic operation single phase naturally air cooled indoor type & designed for input voltage variation between 170V to 250 V with output voltage stabilizer at 230V accuracy +2.5% and taking out old voltage stablizer complete all as specified and directed by Engr-in-charge. Make: V Gaurd/Godrej/Bluebird.

Supply, install and testing of voltage stabilizer of Cap 5 KVA for automatic operation single phase naturally air cooled indoor type & designed for input voltage variation between 170V to 250 V with output voltage stabilizer at 230V accuracy +2.5% and taking out old voltage stablizer complete all as specified and directed by Engr-in-charge. Make: V Gaurd/Blue bird/AE.

Taking out old existing unserviceable cooling coil and S&F new cooling coil of existing shape and size suitable for 1.5Ton window type AC complete all as specified and directed by Engr-in-charge.

Taking out old existing unserviceable condenser coil and S&F new condenser coil of existing shape and size suitable for 1.5Ton window type AC complete all as specified and directed by Engr-in-charge.

S&F in replacement PCB for LG /Voltas/Carrier window type AC 1.5 ton / 2 Ton capacity complete all as specified and directed by Engr-in-charge.

S&F in replacement PCB for LG /Voltas/Carrier split type AC 1.5ton/2Ton cap complete all as specified and directed by Engr-in-charge.

Taking out old existing unserviceable cooling coil and S&F new cooling coil of existing shape and size suitable for 1.5 Ton Split type AC complete all as specified and directed by Engr-in-charge.

Taking out old existing unserviceable condenser coil and S&F new condenser coil of existing shape and size suitable for 1.5/2 Ton Split Type AC complete all as specified and directed by Engr-in-charge.

Taking out old unserviceable blower and S&F new blower (plastic body) of 1.5 Ton window type AC (as per sample approved by GE) complete all as specified and directed by Engr-in-charge.

Taking out old unserviceable blower and S&F new blower (plastic body) of 1.5 Ton split type AC (as per sample approved by GE) complete all as specified and directed by Engr-in-charge.

Supply and topping up of refrigerant gas R-22 in Split/Window type Air Conditioner of capacity 1.5/ 2 TR complete all as specified and directed by Engr-in-charge.

Supply and topping up of refrigerant gas R-410 in Split Air Conditioner of capacity 1.5/ 2 TR complete all as specified and directed by Engr-in-charge.

Supply and topping up of refrigerant gas R-600 in cooling appliances of any description complete all as specified and directed by Engr-in-charge.

Supply and topping up of refrigerant gas R-134 in cooling appliances of any description complete all as specified and directed by Engr-in-charge.

S&F in replacement of L-Shape thimble brass in pkt (each packet contains 100 Nos qty) of existing specfications & make complete all as specified and directed by Engr-in-charge.

S&F in replacement of unserviceable Reverse cycle valve of existing specfications & make for window type AC/ Split Type AC of capacity 1.5 Ton /2.0 Ton including welding, brazing complete all as specified and directed by Engr-in-charge.

S&F in replacement flexible drain pipe of existing specfications & make for Window type/Split Type AC of any capacity complete all as specified and directed by Engr-in-charge.

Taking out old existing unserviceable swing motor and S&F new swing motor 0.3HP, 220 volts of existing specfications & make complete with Louvers, base ,clamps, nuts, bolts of size/shape suitable for window type AC of capacity 1.5 Ton complete all as specified and directed by Engr-in-charge. Make: LG/Voltas.

Taking out old existing unserviceable swing motor and S&F new swing motor 0.3 HP, capacity 220 Volts of existing specfications & make complete with Louvers, base ,clamps, nuts, bolts of size/shape suitable for Split Type AC of 1.5 Ton capacity complete all as specified and directed by Engr-in-charge. Make: LG/ Voltas.

Taking out old existing unserviceable Compressor and S&F new hermetic/Rotary sealed unit compressor of existing specfications & make suitable for 1.5 ton window/split type ACs and making connection to suction and discharge pipe(after disconnecting of sealed unit).New sealed unit compressor should be of same make, capacity as per latest new model of same manufacturer with same specifications conforming to original compressor including recharging with refrigerant gas F-22 , Hydrocarbon Gas, replacement of copper tubing of existing size for suction and discharge and replacing parts with gas brazing and carryout leakage testing with the help of halide torch, soap solution, vacuum pump and rebuilding of standard 800 PSI discharge pressure after creating vacuum with the help of vacuum pump and testing after installation in the system all as directed by Engr-in-charge for the following sealed units pertaining to window type ACs/ Split Type ACs:- (a) Sealed unit (Compressor Rotary Type) Suitable for capacity 1.5 Ton Window type/spllit type ACs complete all as specified and directed by Engr-in-charge. Make: LG/Godrej/Hitachi/universal

Taking out old existing unserviceable Compressor and S&F new hermetic/Rotary sealed unit compressor of existing specfications & make suitable for 2 ton window/split type ACs and making connection to suction and discharge pipe(after disconnecting of sealed unit).New sealed unit compressor should be of same make, capacity as per latest new model of same manufacturer with same specifications conforming to original compressor including recharging with refrigerant gas F-22 , Hydrocarbon Gas, replacement of copper tubing of existing size for suction and discharge and replacing parts with gas brazing and carryout leakage testing with the help of halide torch, soap solution, vacuum pump and rebuilding of standard 800 PSI discharge pressure after creating vacuum with the help of vacuum pump and testing after installation in the system all as directed by Engr-in-charge for the following sealed units pertaining to window type ACs/ Split Type ACs:- (a) Sealed unit (Compressor Rotary Type) Suitable for capacity 2Ton Window type/spllit type ACs complete all as specified and directed by Engr-in-charge. Make: LG/Godrej/Hitachi/universal

Taking out old existing unserviceable Compressor and S&F new hermitically /Rotary sealed unit compressor of existing specfications & make and making connection of suction and discharge pipe(after disconnecting of sealed unit).New sealed unit compressor should be of same make, capacity as per existing unit of latest new model of same manufacture with same specification conforming to original compressor including recharging with refrigerant gas F-22/R-134A,R-600, Hydrocarbon Gas, replacement of copper tubing of existing size for suction and discharge and changing parts with gas brazing and leakage testing with the help of halide torch, soap solution, vacuum pump and rebuilding of standard800 PSI discharge pressure after creating vacuum with the help of vacuum pump and testing after installation in the system all as directed by Engr-in-charge for the following sealed units pertaining to Water coolers, refrigerator and deep freezers:-

Taking out old existing unserviceable Compressor and S&F new sealed unit (compressor) of existing specfications & make in original suitable for Water cooler of capacity 40/80 Ltr. Make: Godrej/Universal

Taking out old existing unserviceable Compressor and S&F new sealed unit (compressor) of existing specfications & make in original suitable for Water cooler of capacity 60/120 Ltr. Make: Godrej/Universal

Taking out old existing unserviceable Compressor and S&F new sealed unit (compressor) in original suitable for Water cooler of capacity 150/180 Ltr. Make: Godrej/Universal

Taking out old existing unserviceable Compressor and S&F new sealed unit (compressor) of existing specfications & make in original suitable for 165/170 Ltr Refrigerator. Make: Godrej /LG

Taking out old existing unserviceable Compressor and S&F new sealed unit (compressor) of existing specfications & make in original suitable for 270 to 290 Ltr Refrigerator. Make: Godrej /LG

Taking out old existing unserviceable and S&F new sealed unit (compressor) of existing specfications & make in original suitable for more thatn 310 Ltr Refrigerator. Make: Godrej /LG

Taking out old existing unserviceable Compressor and S&F new sealed unit (compressor) of existing specfications & make suitable for 320 litres Deep Freezers in original. Make: Godrej /LG

S&F in replacement and testing of complete new Fan Motor of existing specfications & make same model and type, single phase 230V complete with base and clamps, nuts, bolts, washer & main lead as required etc against burnt defective motor of following capacity/Models as under:-

Fan motor1/16 HP single shaft for water cooler. Make: Air master/Crompton.

Fan motor1/20 HP single shaft for water cooler of original make of complete fan motor. Make: Air master /Crompton.

Fan Motor 1/35HP single shaft for water cooler. Make: Air master/Crompton.

Fan Motor 1/70HP single shaft for water cooler side holder, bushes with main lead. Make: Air master/Crompton

S&F in replacement of Fan motor with fan of existing specfications & make suitable for LG double door 286ltr / 310 Ltr refrigerators complete all as specified and directed by Engr-in-charge.

Taking out old unserviceable evaporator assembly of 165/170 Litre Refrigerator and supply and fix new evaporator assembly of existing specfications & make, shape and size complete all as specified and directed by Engr-in-charge.

Description all as per serial item No 30 here-in-before but suitable for 310 litre Refrigerator complete all as specified and directed by Engr-in-charge.

Taking out old unserviceable Condenser coil of 165/170 Litre and S&F new condenser coil of existing specfications & make complete all as specified and directed by Engr-in-charge.

Description all as per serial item No 32 here-in-before but suitable for 310 litre Refrigerator complete all as specified and directed by Engr-in-charge .

S&F in replacement & testing of Fan Motor of existing specfications & make same model and type, single phase 230V complete with base and clamps, nuts, bolts and washers of suitable size etc. against burnt/ defective motor of capacity 1/8 HP double shaft for window type AC including base, frame, side clamps complete all as specified and directed by Engr-in-charge. Make: Air master/ Crompton.

Description all as per serial item No 34 here-in-before but Blower Fan Motor of capacity 1/8 HP single shaft for Split type AC complete with base, clamps, side holders, rubber bushes complete all as specified and directed by Engr-in-charge. Make: Air master/Crompton.

Description all as per serial item No 34 here-in-before but Blower Fan motor of capacity 1/7 HP for cooling coil of Split Type AC as per the original make of split type AC complete with base, frame, clamps, side holders, rubber bushes with main lead suitable for Voltas/ LG Make ACs complete all as specified and directed by Engr-in-charge. Make: Air master/Crompton.

Taking out old existing unserviceable Starting Capacitor of capacity 50+6 mfd S&F new Multi purpose starting Capacitor of capacity 50+6 mfd of existing specfications & make for window /split type AC complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable Starting Capacitor of capacity 120+150 mfd supply & fix new Multi purpose starting Capacitor of capacity 120/150 mfd of existing specfications & make for window/split AC complete all as specified and directed by Engr-in-charge (as per sample approved by GE)

Taking out old existing unserviceable Starting Capacitor of capacity 40+80 mfd S&F new Multi purpose starting Capacitor of capacity 40/80 mfd of existing specfications & make for water cooler complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable Starting Capacitor of capacity 40+60 mfd S&F new Multi purpose starting Capacitor of capacity 40/160 mfd of existing specfications & make for water cooler complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable Starting Capacitor of capacity 120+150 S&F new Multi purpose starting Capacitor of capacity 80/100 mfd of existing specfications & make for water cooler complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable Multi purpose running Capacitor of capacity 45+4 mfd S&F new Multi purpose running Capacitor of capacity 45+5 mfd of existing specfications & make for window /split type AC complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable Multi purpose running Capacitor of capacity 36+6 mfd S&F new Multi purpose running Capacitor of capacity 36+6 mfd of existing specfications & make for window /split type AC complete all as specified and directed by Engr-in-charge.(as per sample approved by GE)

Taking out old existing unserviceable Multi purpose running Capacitor of capacity 10 mfd S&F new Multi purpose running Capacitor of capacity 10 mfd of existing specfications & make for water cooler complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable Multi purpose running Capacitor of capacity 4 mfd S&F new Multi purpose running Capacitor of capacity 4 mfd of existing specfications & make for water cooler complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable Multi purpose running Capacitor of capacity 20 Mfd S&F new Multi purpose running Capacitor of capacity 20 mfd of existing specfications & make for water cooler complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable thermostat and S&F new thermostat of existing specfications & make for water cooler of any capacity complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable Fan Blade and S&F new Fan Blade of existing specfications & make of 1.5/2ton window type AC of any capacity complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable Fan Blade and S&F new Fan Blade of existing specfications & make of 1.5/2 ton split type AC of any capacity complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

S&F and testing in replacement Outer unit Fan Motor of existing specfications & make of same model and type, single phase 230V complete with base and clamps, nuts and bolts of suitable size etc. against burnt/ defective motor of any type of split type AC complete all as specified and directed by Engr-in-charge.

S&F in replacement water pump motor of existing specfications & make of desert cooler including electric connection and testing for better performance complete all as specified and directed by Engr-in-charge.

S&F in replacement 'T' junction of existing specfications & make for desert cooler for watering the three side of the desert cooler with nozzels complete all as specified and directed by Engr-in-charge.

Replacement of Khas khas set for the panels of desert coolers complete all as specified and directed by Engr-in-charge.

Servicing window/split type Air Conditioner 1.5 TR capacities of any make by opening the indoor/ outdoor unit ,cleaning the air filter, condenser including complete body of the unit with brush and air blower, washing with cleaning detergent & fresh water, greasing fan motor, rectification of loose electric connections and replacement of u/s knobs of electrical items complete all as specified and directed by Engr-in-charge.

Disconnecting and taking down unserviceable overload/PTC relay for water cooler, Deep freezer and referigerator S&F new over load relay/PTC relay of existing specfications & make and testing for water cooler, Deep freezer and referigerator satisfactory performance commissioning complete all as specified and directed by Engr-in-charge.

Disconnecting and taking down unserviceable thermostat from split type AC and S&F new thermostat of existing specfications & make for split type AC up to 3 TR cap AC and testing the same for satisfactory performance complete all as specified and directed by Engr-in-charge.

Pressure testing and rectifying leakage in the system of window/split Air Conditioner up to 2 TR capacity including testing for satisfactory performance, commissioning complete all as specified and directed by Engr-in-charge.

M&L for New copper tube of size 1/2 inch dia of existing specfications & make including jointing complete including taking out the existing Unserviceable copper tube complete all as specified and directed by Engr-in-charge.

Description all as per serial item No 58 here-in-before but size ¼ inch dia.

Description all as per serial item No 58 here-in-before but size ⅝ inch dia.

Cleaning of coils of Window/Split by using alkaline based coil cleaner (Non Acid based) incl taking down filters, spraying the diluted alkaline based coil cleaner, leaving it for five minutes and then flushing with running water. Fixing back the filters. Testing & re-commissioning etc complete all as specified and directed by Engr-in-charge.

Taking out old existing unserviceable Fan motor 4x4 and S&F new Fan motor 4x4 of existing specfications & make for water cooler of any capacity complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

S&F in replacement of Sub main wiring with two single core PVC insulated, unsheathed copper conductor cable, 1100volts grade of size 4.0 sqmm, FRLS in and inculding concealed PVC conduit, heavy duty, ISI marked, of dia 25mm and thickness not less than 2mm with all accessories such as bends, Tees, elbows, reducer socket, bell mouth,tube ends etc including cutting chases, pinning in masonry walling & making good to facing by pointing / plastering in cement mortar 1:3 to ends or edges for concealed wiring inculding of existing specfications & make 4.00 sqmm PVC insulated copper conductor cable as earth lead to connecting to the earth dolly complete all as specified and directed by Engr-in-charge. Note: Two runs of copper cable 4.00 sqmm size and single run of earth wire of 4.00 sqmm size and PVC conduit shall be measured as one unit.

Taking out old existing unserviceable diacharge valve and S&F new discharge valve of existing specfications & make of 1.5/2 ton split type AC of any capacity complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable suction valve and S&F new suction valve of of existing specfications & make 1.5/2 ton split type AC of any capacity complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable bush and S&F new bush of existing specfications & make of 1.5/2 ton split type AC of any capacity makle LG/ Voltas complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable drier and S&F new drier of existing specfications & make of 1.5/2 ton split type /window type AC of any capacity B158 (as per sample approved by GE)

Taking out old existing unserviceable capillary and S&F new capliery of existing specfications & make of 1.5/2 ton split type /window type AC .of any capacity complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable dead Nut and S&F new dead nut of existing specfications & make of 1.5/2 ton split type /window type AC of any capacity complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable transformer for PCB and S&F new transformer of existing specfications & make for PCB of 1.5/2 ton split type /window type AC of any capacity complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Taking out old existing unserviceable foam insulation and S&F new foam insulation of 1.5 / 2 ton split type /window type AC of any capacity complete all as specified and directed by Engr-in-charge. (as per sample approved by GE)

Repair/servicing and rewinding of motor 3 phase 400-440 volt complete disconnecting the electric supply removing of pully and fan and opening of both end covers taking out Bearings and rotor checking of air gap, checking of rotor field winding, replacement of bearings, greasing of bearings including rewiring with superior quality copper winding wire of existing gauge, desgin & weight including insulating material, varnishing, binding of winding etc complete all as directed by Engr-in-Charge reassembling, replacing rusted nuts, bolts, washers, checking and adjusting the alignment, connecting electric connection complete all as specified and directed by Engr-in-charge for the following: -

Electric motor 3 phase 75 HP of AC Plant.

Electric motor 3 phase 40 HP of AC Plant.

Electric motor 3 phase 20 HP of AC Plant.

Electric motor 3 phase 15 HP of AC Plant.

Electric motor 3 phase 10 HP of AC Plant.

Electric motor 3 phase 5 HP of AC Plant.

Electric motor 3 phase 03 HP of AC Plant.

Description all as per serial item No 72 here-in-before but including removing of old gland packing, gland bolt and fixing of new gland packing, gland bolt, cleaning of impeller/Replacement of impeller all as directed (Impeller shall be measured and paid for separately) for the following :-

Monoblock pumping set 10 HP capacity.

Monoblock pumping set 7.5 HP capacity.

Monoblock pumping set 5.0 HP capacity.

Monoblock pumping set 1.5 HP capacity.

Descaling of condenser after opening of both end cover, ,circulation of descaling solution forcibly using pump for circulating descaling solution and roding, manually using nylon brush of size 1/4, 3/8, 1/2, 5/8 inch, descaling rod etc without damaging copper tubing and refixing of side cover using new gasket of rubber insertion sheet of 3mm thick and replacement of rusted nuts, bolts and washers etc complete all as specified and directed by Engr-in-charge for the following :-

50 TR capacity Condenser.

47.5 TR capacity Condenser.

30.0 TR capacity Condenser.

7.5 TR capacity Condenser.

5.0 TR capacity Condenser.

Repair to condenser of 50 TR capacity AC Plant by disconnectiing the condenser from all valves and flanges and taking to contractor's workshop. Testing the condenser for leakage and finding the punctured copper tubing and taking out the copper tubing by heat treatment. S&Fing of new copper tubing of existing sizes and leak testing the condenser with desired pressure of 24 hours. Taking to the site and refixing the condenser to the existing position and connecting the all valves and flanges and pressure testing the system at site to the entire the satisfaction of Engr-in-charge.

Description all as per serial item No 75 here-in-before but for condenser of 30 TR capacity AC plant.

Descaling & flushing of cooling coil complete with chemical, brushing to fins, bends and cleaning complete all as specified and directed by Engineer-in-charge for the following: -

100 TR capacity AC plant.

95 TR capacity AC plant.

60 TR capacity AC plant.

15 TR capacity AC plant.

10 TR capacity AC plant.

Repairing/servicing of cooling tower of AC plant FRP type by dismantling and taking out the honey comb PVC fins complete and PVC nozzles, desclaing the PVC fins by suitable descaling solution including brushing and cleaning complete with cleaning solution and water, replacing the defective PVC fins cleaning the nozzles and replacing the defective PVC flange alongwith rubber gasket and rusted bolts, nuts and washers etc, cleaning the water sump and XPM wire mesh with suitable cleaning solution re-assembling the same including replacing the defective water filter flanges of pipe joints etc and testing complete all as specified and directed (PVC fins will be measured and paid separately as supply only) for the following: -

100 TR capacity AC plant installed at UG Ops Room A/c Plants.

95 TR capacity AC plant installed at OT CHNC.

Servicing of compressor unit by draining out the used compressor oil, opening both side covers. head covers and taking out the defective oil filter, cleanings the sump by using suitable cleaning solution, replacing the defective oil filter element, checking of suction and discharge valves adjust them and refixing the side covers, head covers including replacing the suitable gaskets complete and re- filling of new compressor oil to the required level, removing the pully checking the serviceability of shaft seal assy, replacement of shaft seal assly and refixing the pully including replacing the defective gas filter and testing complete all as specified and directed by Engr -in-Charge for the following: - (Oil filter element, gas filter and shaft seal will be measured and paid for separately)

Compressor model SML 6-100 make Accel Servo 47.5 TR capacity AC plant installed at CHNC.

Compressor model SML 4-100 make Accel Servo 30 TR capacity AC plant installed at Signal Centre.

Compressor model JS43FN 50B installed at UG Ops Room of 50 TR capacity AC plant.

Compressor model JS43FN 50B installed at 37 AMFSD of 7.5 TR capacity AC plant.

Compressor model JS43FN 50B installed at 1 FOD of 5 TR capacity AC plant.

Description all as per serial item No 80 here-in-before but for AC Plant 95 TR capacity installed at CHNC.

Description all as per serial item No 81 here-in-before but for AC Plant 60 TR capacity installed at Signal Centre.

Supply in replacement following items complete all as specified and directed by Engr-in-Charge :-

Differential pressure control switch type MP-55 Make: Indfos /Danfos

Low pressure cut out control switch MP-I Make: Indfos/Danfos

High pressure cut out control switch MP-5 Make: Indfos/Danfos

Oil pressure cut off switch MP-15 Make: Indfos/Danfos

Oil pressure gauge 0 to 300 PSI (freon) Make: FIEBEG/GURU

Compound gauge (-) 30 to 0 to 300 PSI (Freon) Make: FIEBEG/GURU

Compound gauge (-) 30 to 0 to 150 PSI (Freon) Make: FIEBEG/GURU

Water pressure gauge 0 to 150 PSI Make: FIEBEG/GURU

Hand shut off valve of size 1/4" x 1/4"

Solenoid control valve suitable for central AC plants.

Condenser safety valve for central AC plant 30to 50 TR.

Supply only following electrical items for under repair of LT panel of AC plants: -

Supply only 3 pole power contactorType ML-2, 415/210 volt 50 Hz AC 32 Amps.

Description all as per serial item No 84.01 here-in-before but contactor Type ML-1.5, 415/210 volt 50 Hz AC 16 Amps.

Description all as per serial item No 84.01 here-in-before but Type ML-1, 415/210 volt 50 Hz AC 16 Amps.

Description all as per serial item No 84.01 here-in-before but Type Mk-1, 415/210 volt 50 Hz AC 16 Amps.

Supply only MCCB three pole 415 volt 50 Hz 100 Amps with breaking capacity 35 KA type DTH Make: L&T/ABB/Schneider/ Siemens

Supply only MCCB three pole 415 volt 50 HZ 200 Amps with breaking capacity 35 KA Make: L&T/ABB/Schneider/Siemens

Supply only MCB 2 Pole 63 Amps ‘C’ series. Make: Havells/ Standard/Indo Asian.

Supply only MCB 2 pole 32 Amps ‘C’ series. Make: Havells/ Standard/Indo Asian.

Supply only 3 pole power contactor 3TF477 of 70Amp capacity Make: Siemens/L&T/ABB/Siemens

Supply only Over load relays Mk1 type relay range 4 to 6.5 Amps ,1.5 to 2.5 Amps, 6 to 9 Amps, 9 to 14 Amps, 11 to 18 Amps. Make: L&T/ Autonix/MDS/Simens

Supply only Over load relays type ML type relay range 60 to 100 Amps, 37 to 60 Amps Indivisual mounting. Make: L&T/Autonix/MDS/Simens

Supply only Over load relays type ML type relay range 11 to 18 Amps,9 to 14 Amps, 6 to 9 Amps. Make: L&T/MDS/Autonix/Simens

Supply only Push button pendants 6A, 415 V, 50 Hz with two push buttons size and shape as per site requirement of each plant.

Supply only AC Amps meter 0 to 30 Amps direct reaching type. Make: AE/L&T/Siemens

Description all as per serial item No 84.14 here-in-before but 0 to 60 Amps. Make: AE/L&T/Siemens

Description all as per serial item No 84.14 here-in-before but 0 to 100 Amps. Make: AE/L&T/Siemens

Description all as per serial item No 84.14 here-in-before but 0 to 300 Amps. Make: AE/L&T/Siemens

Supply only AC voltmeter electronic digital type 0 to 500 V as per sample Make: AE/L&T/Siemens

Supply only Electronic timer switch 240/415 volt 50 Hz for 30 to 60 seconds Make: GIC / L&T.

Supply only Single phase preventor suitable for 415 volt 50 HZ 3 phase as per existing one. Make: L&T /Siemens.

Supply only Angle valve 1/4" x 1/4" suitable for gas charging/release valve of existing specification & make.

Supply only Rotary type switch 3 phase 415 volts 4 pole 2 way 63 Amp. Make: L&T/Siemens.

Description all as per serial item No 84.22 here-in-before but 30 Amp. Make: L&T/Siemens.

Supply only Neon Type indicating lamp as per existing one.

Supply only Cable connecting clip of existing specifications & make complete all as specified and directed by Engr-in-charge.

Taking out the defective thermostatic expansion valve of Central AC plant 50 TR capacity and S&F thermostatic expansion valve of existing specifications & make complete all as specified and directed by Engr-in-charge. Make: ALCO/INDFOSS

Description all as per serial item No 86 here-in-before but of Central AC plant 30 TR Capacity.

S&F in replacement pre-filters 10 to 20 microns synthetic non woven both side HDPE mesh in aluminium frame efficiency 90% of existing specifications & make complete all as specified and directed by Engr-in-charge. Make of Filter: RAVI/ATHLETE

S&F in replacement V-Belt for compressor motor and AHU motor of size A-27.

Description all as per serial item No 88 here-in-before but V Belt of size C-95.

Description all as per serial item No 88 here-in-before but V Belt of size B-72.

Description all as per serial item No 88 here-in-before but V Belt of size C-110.

Repair of Printed Circuit Board by disconnecting the PCB from existing position as well as disconnecting the all control cables form the PCB and transporting it to the authorized delaers workshop and decoding the same PCB and replacement of the burnt as well as damaged items of PCB i.e dioads, transfermer, capacitors etc and testing it at the workshop for smooth operation and taking it to the plant and installed it at it's original position and connecting all the control cables etc and testing for smooth functioning of the AC plant to the entire satisfaction of Engineer-in-charge.

Supply only Freon gas F-22 in returnable cylinder of capacity 61 Kgs complete all as specified and directed by Engr-in-charge. Make: Refron

Supply only compressor oil in sealed container manufactured by Hindustan Petrolium Limited as per site requirement or equivalent complete all as specified and directed by Engr-in-charge.

Supply only PVC fins (full) for cooling tower as per sample complete all as specified and directed by Engr-in-charge.

Supply only PVC fins (half) suitable for ooling tower as per sample complete all as specified and directed by Engr-in-charge.

Supply only PVC fins (Eliminator) suitable for cooling tower as per sample complete all as specified and directed by Engr-in-charge.

M&L for cleaning the external surfaces of equipment/accessories of central AC plant 95 TR capacity installed at CH NC and painting with two coats of synthetic enamel paint of existing colour including writing SM/MES No, marking flow of direction, set Nos etc complete all as specified and directed plant comprising of following: - (a) Induction motor 55 KW - 3 Nos (b) Compressor unit 47.5 TR - 3 Nos (c) Condenser unit - 3 Nos (d) Chiller unit - 3 Nos (e) Chiller pump set - 2 Nos (f) Condenser pump set - 2 Nos (g) LT control panel cubical type for compressor chiller pump set condensing pump set CT fan etc -1 No (h) Cooling tower for 476.5 TR - 1 No (j) Condensing/discharge piping (approx) - 50 RM (k) Chilled water pipe inflow and out flow (approx) - 200 RM (l) AHU of OT, ICU other OT and controlled boards, Blower motor

Description all as per item No 98 here-in-before but central AC Plant 60 TR capacity installed at UG Ops Room comprising of following: - (a) Induction motor 35 KW - 3 Nos (b) Compressor unit 30 TR - 3 Nos (c) Condenser unit - 3 Nos (d) Chiller unit - 3 Nos (e) Chiller pump set - 2 Nos (f) Condenser pump set - 2 Nos (f) Hot water pump - 2 Nos (g) LT control panel board cubical type for compressor chiller pump set condensing pump set CT fan etc -1 No (h) Cooling tower for 476.5 TR - 1 No (j) Condensing/discharge piping (approx) - 50 RM (k) Chilled water pipe inflow and out flow (approx) - 200 RM (l) AHU including controlled boards, Blower motor etc.

Description all as per item No 98 here-in-before but central AC Plant 7.5 TR/5 TR capacity installed at 37 AMSD and comprising of following:- (a) Induction motor - 11 KW - 2 Nos (b) Induction motor 5.5 KW - 2 Nos (c) Compressor Unit 7.5 TR - 2 Nos (d) Compressor unit 5 TR - 2 Nos (e) Condenser pump set - 2 Nos (f) LT control panel board cubical type - 1 No (g) Cooling tower for 7.5 TR and 5 TR - 1 No (h) Condenser unit for 7.5 TR - 2 Nos (j) Condenser unit for 5 TR - 2 Nos (k) AHU units and complete piping etc

Description all as per item No 98 here-in-before but for AC plant 60 TR Capacity at Signal Centre consisting of following: - (a) Comressor motor 40 HP- 03 Nos (b) Compressor 30 TR - 03 Nos (c) AHU 30 TR- 03 Nos (d) Cooling towert 60 TR - 02 Nos (e) Monoblock pump - 02 Nos (f) Control pannel - 02 Nos (g) Mounting frame - 03 Nos (h) Pipe line 100 mm (approx 50 RM)

110. Description all as per item No 98 here-in-before but package type AC Plant 3 x 5 TR capacity installed at 1 FOD and comprising of following: - (a) Induction motor - 11 KW - 3 Nos (b) Condenser - 3 Nos (c) Compressor Unit 5 TR - 3 Nos (d) Condenser pump set - 2 Nos (e) LT control panel board cubical type - 1 No (f) Cooling tower for 5 TR - 1 No (g) Condenser line pipeing (h) AHU units and complete piping etc

M&L for thermal insulation to Chiller pipe line with one coat of bituminous paint, polythelyne sheet fiberglass wool thicknees of the insulation should be 50mm, wiremesh and cover with POP/white cement with painting to match the existing specifications complete all as specified and directed by Engr-in-charge.

M&L for earthing complete with galvanized steel earth plate electrode 600 mm x 600 mm x 6.0 mm thick buried directly in ground (earth pit not less than 2.25 mtr below normal ground level) with top edge plate not less than 1.5 metre below normal ground level connected to galvanized earth strip of size 32 x 6mm as earthing lead by means of bolts, nuts, chuck nuts and washers of galvanized iron earth lead with 15 cm thick alternate layers of charcoal dust & common salt including PCC pit in PCC 1:2:4 type B-1, RCC cover made out of cement concrete 1:2:4 type B-1 (using 20 mm graded crushed stone aggregate) reinforced with TMT steel bars 8 mm dia @150 mm c/c both ways with suitable handle and angle iron 40x40x5mm frame, GI medium grade watering pipe 20 mm bore and funnel with wire mesh light grade protection pipe 20 mm bore up to main board complete as shown on electrical plate No 3 of MES Sch 2009 (Part-I) and testing on completion including taking out old earthing complete all as specified and directed by the Engineer-in-Charge. Note: On testing after completion of earthing, if desired earth resistance is not obtained, the earthing will be re-done by the contractor at his own risk & cost to the entire satisfaction of Engineer-in-charge.

M&L in replacement GI pipe medium grade of dia 40 mm with all fittings for cooling tower complete all as specified and directed by Engr-in-charge.

M&L in replacement GI pipe medium grade of dia 25 mm with all fittings for cooling tower complete all as specified and directed by Engr-in-charge.

M&L in replacement Gun metal Gate valve iron wheel head, screwed both ends of dia 40 mm complete all as specified and directed by Engr-in-charge.

M&L in replacement Gun metal Gate valve iron wheel head, screwed both ends of dia 25 mm complete all as specified and directed by Engr-in-charge.

Disconnecting and isolating the compressor of Accel make SMC 6- 100 model from the existing AC system by putting dummy plates to suction and discharge valves opening of the compressor, removing of internal parts cleaning of the oil parts thoroughly, replacement of the following parts including thrust washers, minor parts like Nuts, Bolts etc including polishing to the crank shaft, reassembling back all the serviceable parts after complete overhauling, removing of the dummy plates of the compressor including testing& commissioning complete all as specified and directed by Engr-in-charge. Note: Spare parts & consumables will be measured & paid separately as S&F. Charging of compressor oil will be measured & paid separately.

S&F the following spares for Accel make SMC 6- 100 model compressor including taking down old unserviceable spare parts complete all as specified and directed by Engr-in-charge: -

Main bearing pump and seal end of existing specifications & make.

Cylinder liner of existing specifications & make.

Piston of existing specifications & make.

Piston ring of existing specifications & make.

Suction Strainer of existing specifications & make.

SV Reeds of existing specifications & make.

Discharge valve assembly of existing specifications & make.

CR Bearing of existing specifications & make.

Gasket Set of existing specifications & make.

Crank shaft for SMC-6/4-65 model of existing specifications & make.

O ring Set of existing specifications & make.

Rocker arm frame of existing specifications & make.

Oil pump gear of existing specifications & make.

Connectring Rod of existing specifications & make.

Valve springs of existing specifications & make.

S&F of shaft seal assembly of existing specifications & make for any model of compressor including removing of the unserviceable shaft seal assembly and testing complete all as specified and directed by Engr-in-charge.

Disconnecting and dismantling old unserviceable meter gauge panel indoor type supply, installation testing of indoor vertical type gauge panel board made out of 2mm thick MS sheet and GI pipe of medium gauge 80mm dia as per required length comprising of the following :- (a) suction pressure - 0 to 150 PSI (b) Oil pressure gauge - 0 to 300 PSI (c) COP gauge - 0 to 300 PSI (d) DP gauge - 0 to 400 PSI (e) ON OFF switch with all type of indicators (f) LP/HP/OP pressure cutouts Note: All pressure gauges and cut out will be paid separately under relavent item of sch A (ii) Quted rate by the contractor include check and tightning of all connections with meter gauge and replacement of unserviceable copper pipe of 1/4" dia LP/HP pressure cutouts OP pressure cutouts Water pressure cutouts Copper tube of size 1/2 inch dia Copper tube of size 1/4 inch dia

Dismantling unserviceable rusted bottom tray from AHU carefully without any damage to the other remaining portion of AHU and supply and fabricate bottom tray of existing specifications suitable for 95 TR capacity AC plant made form 18 SWG GP sheet with powder coating complete with necessary nuts, bolts & washers etc all as directed. Note: Contractor is responsible to deposit the old u/s AHU bottom tray in MES store yard.

Dismantlling unserviceable rusted AHU side cover carefully without any damage to cooling coil and S&F side covers of existing specifications & make suitable for 95 TR capacity AHU made from 20 SWG GI Sheet with powder coating bend to shape complete with neccesary nuts, bolts & washers etc complete all as specified and directed by Engr-in-charge. Note: Contractor is responsible to deposit the old u/s AHU side covers in MES store yard.

S&F in replacement hard copper pipe of dia 5/8" (Approx 6 feet long) of existing specifications & make for 95 TR capacity cooling coil including pressure testing with dry nitrogen gas for 48 hours after completion of copper pipe line work including testing commissioning etc complete all as specified and directed by Engr-in-charge. Note: Contractor is responsible to deposit the old u/s AHU hard copper pipe in MES store yard.

S&F dynmically balanced AHU blower fan centrifugal type made from high quality aluminium of existing specifications & make suitable for 95 TR capacity central AC Plant AHU including taking out old unserviceable AHU blower fan complete etc all as directed. Note: Contractor is responsible to deposit the old u/s AHU blower fan in MES store yard.

S&F AHU shaft made from mild steel rod turning, boring and grooving to suit blower fan complete including taking out unserviceable blower shaft from AHU etc complete all as specified and directed by Engr-in-charge. Note: Contractor is responsible to deposit the old u/s AHU shaft in MES store yard.

S&F roller bearing of existing specifications & make suitable for 95 TR capacity AHU shaft and motor including taking out unserviceable roller bearing etc complete all as specified and directed by Engr-in-charge. Note: Contractor is responsible to deposit the old u/s AHU shaft in MES store yard.

S&F tapering type aidjustable type pulley for blower of existing specifications & make suitable for 95 TR capacity AHU shaft including taking down unserviceable pulley etc all as directed. Note: Contractor is responsible to deposit the old u/s tapering type aidjustable type pulley in MES store yard complete all as specified and directed by Engr-in-charge.

S&F tapering type aidjustable type pulley for motor of existing specifications & make suitable for 95 TR capacity AHU shaft including taking down unserviceable pulley etc complete all as specified and directed by Engr-in-charge.

Dismantling of unserviceable sprinkler carefully and S&F new sprinkler made out from aluminium die casting of existing specifications & make suitable for upto 95 TR capacity cooling tower etc complete all as specified and directed by Engr-in-charge.

Demolition of old PCC platform from existing position and construction of new PCC platform of existing size in PCC 1:2:4 type (B-1) suitable for installing of 95 TR cap AHU complete all as specified and directed by Engr-in-charge.

S&F Star delta fully automatic motor starter complete with single phase preventor, over load relay and over current protection and suitable for 100 HP compressor motor etc complete all as specified and directed by Engr-in-charge. Make: L&T/Scheinder/BCH

S&F Star delta fully automatic motor starter Complete with single phase preventor, over load relay and over current protection suitable for 12 HP Pump motor etc complete all as specified and directed by Engr-in-charge. Make: L&T/Scheinder/BCH

S&F in replacement water thermometer 0 to 30 digree Centigrade including necessary connections/testing complete all as specified and directed by Engr-in-charge.

Taking out of old/unserviceable butterfly valve from existing pipe line and S&Fing new butterfly valve of size 100mm made of mild steel including necessary modification of existing pipe line and replacement of falnges with new nuts, bolts and washers etc complete replacement of flanges with new bolts and nuts including all connected works complete all as specified and directed by Engr-in-charge. Make: Advance /Audco/Kirloskar/Neta

S&F in replacement new syphon connection of half inch size made from GI pipe with SS coating suitable for fixing of existing pressure gauge including stop cock of suitable size and all minor items and taking down old unserviceble syphon complete all as specified and directed by Engr-in-charge.

S&F water pressure gauge 0 to 10 Kg 2"/4 dia of existing specifications & make suitable for condenser / chillar water line including removing of old unserviceable pressure gauge etc complete all as specified and directed by Engr-in-charge.

M&L for taking out old MES Display boards of installations and S&F new display board box type of 150x75x15CM size made out of GI sheet of thickness 14 SWG with naming of letters of size 4" on acrylic sheet on front side of box made of 40mm x 40mm x 6mm angle iron frame complete with bolts and nuts including fixing of LED bulbs with holders of 16/20watts 02 Nos inside the board and making necessary connections with 6 Amps MCB with KIOSK box complete all as specified and directed by Engr-in-charge.

M&L for repair of old existing display/notice board fixed in various MES installations with repair / replacement of green cloth of existing specifications, charts, posters all as directed by Engr-in-Charge. The following type of charts/documents is to be displayed / hang inside existing notice board:- (a) Standing order in reference of concered installations. (b) Lay out diagram of concerend installations. (c) Does and donts chart and all other necessary documents/charts directed by Engr-in-Charge. Note: All documents/charts shall be prepared by contractor and rates of these charts/documents shall be included in the rate of Notice board. Before finalisation these charts shall be approved by Engr-in-Charge. Contractor is also to be provide one first aid kit with each notice board.

PREM NATH KHAJURIA AND SONS