NCTPS I ES Circle EM II Dn SD I Time bound work maintenance and breakdown works of LT motors and HT motors of mill plant and boiler area of all three units at NCTPS I site for 180 days

Amount

Charges for cleaning the outer surface and maintenance of the 415V 37 KW, 2960 RPM seal air fan motor-9 Nos and 415V, 2.2 KW, 910 RPM, mill LOP motor-18 Nos for all three units at NCTPS-I.

Charges for cleaning the outer surface and maintenance of the 415V, 22KW ,1460 RPM ignitor air fan motor-6 Nos, 415V, 5.5 KW, 2910 RPM, scanner air fan motor-6 Nos, 415V, 11 KW, 1460 RPM, air pre heater motors 12 Nos , 415 V, 0.75 KW, 1460 RPM, support bearing LOP motor-12 Nos, 415 V, 0.55 KW, 910 RPM, guide bearing LOP Motor-12 Nos for all three units at NCTPS-I.

Charges for cleaning the outer surface and maintenance of the 415V, 5.5 KW, 1460 RPM, coal feeder motor-18 Nos, 415V, 0.25 KW, 910 RPM, clean out conveyor motor-18 Nos and inner side of Tacho dyno drive motor-18 Nos for all the three units.

Charges for cleaning the outer surface and maintenance of the 415V, 55 KW, 2910 RPM, Boiler fill pump motor-3 Nos, 415V, 9.3 KW, 2960 RPM, hot well make up pump motor-6 Nos, 415V, 1.5 KW 1460 RPM, PA fan LOP motor -12 Nos, 415 V, 11 KW 1460 RPM Scrapper feeder motor-6 Nos, 415V, 11 KW, 1460 RPM Clinker Grinder motor-6 Nos, 415V, 7.5 KW, 2960 RPM, service water booster pump motor-2 Nos, 415V, 22 KW, 2960, RPM, Air pre heater water wash pump motor-2 Nos for all three units.

Charges for cleaning the outer surface and maintenance of the 6.6 KV, 380 KW, 590 RPM, HT Mill motor-18 Nos for all the three units.

Charges for cleaning the outer surface and maintenance of the 6.6KV , 1500 KW, 745 RPM, ID Fan motor-6 Nos, 6.6 KV, 1100 KW, FD Fan motor-6 Nos, ,6.6 KV, 1250 KW, 1480 RPM, PA Fan motor-6 Nos for all the three units.

OVERHAULING OF LT MOTORS Charges for complete overhauling of motor including Dismantling, cleaning of the stator coils, checking the tightness of the stator wedges and applying one coat of insulation varnish, replacement of both DE and NDE bearing assembling. Motor capacity ranges from 4.81 to 7.5 KW and 2.2 KW motor of frame no 132(5.5 KW scanner Air fan Motors -2Nos)

Motor capacity ranges from 7.51 KW to 12 KW(9.3 KW Hot well makeup pump motor - 2 Nos and 11KW clinker grinder motor - 3Nos)

Motor capacity ranges from 12.1 to 30 KW(15 KW Air perheater motor- 1 No and 22 KW ignitor Air fan motor -1 No)

Motor capacity ranges from 30.1 to 50 KW(37 KW seal Air fan motor -5Nos.)

Motor capacity ranges from 50.1 to 75 KW (55 KW Boiler fill pump motor - 1 No)

CHARGES FOR REPLACEMENT OF FAILED L.T MOTORS RANGES FROM 4.81 KW TO 15 KW Charges for disconnecting the power cable, releasing the motor from its bed, lifting, lowering and transporting the motor to a convenient location, removing of coupling pulley, refixing of coupling pulley after over hauling, transporting the motor to its location, lifting, lowering the motor and placing in motor bed and erection of motor, reconnecting the power cable and including coupling, alignment and coupling the motor with the compressor or pump( For the rating from 4.81 KW to 15 KW)

CHARGES FOR REPLACEMENT OF FAILED L.T MOTORS RANGES FROM 15.1 KW TO 30 KW Charges for disconnecting the power cable, releasing the motor from its bed, lifting, lowering and transporting the motor to a convenient location, removing of coupling pulley, refixing of coupling pulley after over hauling, transporting the motor to its location, lifting, lowering the motor and placing in motor bed and erection of motor, reconnecting the power cable and including coupling, alignment and coupling the motor with the compressor or pump ( For the rating from 15.1 KW to 30 KW)

CHARGES FOR REPLACEMENT OF FAILED L.T MOTORS RANGES FROM 30.1 KW TO 160 KW Charges for releasing the motor from its bed, lifting, lowering and transporting the motor to a convenient location, removing of coupling pulley, refixing of coupling pulley after over hauling, transporting the motor to its location, lifting, lowering the motor and placing in motor bed and erection of motor, and including coupling, alignment and coupling the motor with the compressor or pump ( For the rating from 30.1 KW to 160 KW)

OVER HAULING OF MILL MOTOR Charges for removal of plates at 4.5 mtr. Level, releasing of power terminal box, releasing the BHEL make, 6.6 KV, 380 KW, 590RPM Coal Mill Motor from its bed after giving proper packing to its bed bolts, assisting while lifting and lowering of the motor and placing in the repair bay and removing the coupling pulley. ( Provision of Crane for the works and transportation of the mill motor to NCTPS-I storesafter completion of motor overhauling works at repair bay is under contractor scope )

Charges for removing the BHEL make, 6.6 KV, 380 KW ,590 rpm Coal Mill Motor fan cover, cooling fan and end covers, threading out the rotor, Cleaning the stator winding and rotor using compressed air.

Charges for checking and tightening of all loose wedges in the BHEL make, 6.6 KV, 380 KW, 590 rpm Coal Mill Motor stator by inserting additional glass textolite liners and replacing all damaged wedges by new one, checking the tightness of the rotor bars, supplying and spraying one coat of Dr.Beck insulating varnish on the stator and rotor.

Charges for removing the BHEL make, 6.6 Kv, 380 KW, 590rpm Coal Mill Motor bearings from the shaft, replacing the bearings (both DE & NDE) Bearings will be supplied by TANGEDCO

Charges for threading in the BHEL make, 6.6 Kv, 380 KW, 590rpm Coal Mill Motor rotor assembling the Motor greasing the bearings and fixing the Fan and end covers and fan cover.

Charges for supplying and painting 2 coat of deep orange enamel paint on the BHEL make, 6.6 Kv, 380KW, 590rpm Coal Mill Motor .

Charges for transporting the BHEL make, 6.6 Kv, 380 KW, 590rpm Coal Mill Motor from repair bay, fixing the coupling pulley in the motor shaft by oil heating, assisting while lifting and lowering of the motor and placing in mill bed, re-erection of motor, refixing of power terminal box and refixing of plates at 4.5 mtr. level. (Provision of Crane for the works and transportation of the spare mill motor available at NCTPs-I stores to repair bay and then erected at mill motor location is under contractor scope)

OVERHAULING OF PA FAN MOTORS Charges for Removal of roof, removal of hand rails releasing of power terminal box, releasing the BHEL make, 6.6 kV,1250 kW,1460 rpm PA Fan Motor from its bed after giving proper packing to the bed bolts, assisting while lifting and lowering of the motor and placing in position at repair bay and removing the coupling pulley (Provision of Crane for the works and transportation of the PA fan motor to NCTPs-I stores after completion of motor overhauling works at repair bay is under contractor scope)

Charges for dismantling of BHEL make, 1250 kW, 1460 rpm PA Fan Motor removing the fan cover, cooling fan and end covers, threading out the rotor, cleaning the stator winding and rotor and cooler tubes using compressed air.

Charges for checking and tightening of all loose wedges in the BHEL make, 6.6 KV, 1250 KW, 1460 rpm PA Fan Motor stator by inserting additional glass textolite liners and replacing all damaged wedges by new ones, checking the tightness of rotor bars and supplying and spraying one coat of Dr. Beck insulating varnish on the stator and rotor.

Charges for removing the BHEL make, 6.6 KV, 1250 KW, 1460 rpm PA Fan Motor bearing from the shaft, checking the bearing, checking its clearance, inspecting the bearings and replacement of bearings if necessary (both DE & NDE) (Bearings will be supplied by TANGEDCO).

Charges for threading in the BHEL make,6.6 Kv,1250 KW, 1460 rpm PA Fan Motor rotor, assembling the motor and greasing the bearings.

Charges for supplying and painting 2 coat of deep orange enamel paint on the BHEL make,1250 KW,1460 rpm PA Fan Motor.

Charges for Fixing the coupling pulley in the BHEL make,1250 KW, 1460 rpm PA Fan Motor, transporting the motor from repair bay-I to location, assisting while lifting and lowering of the motor, placing in its bed for re-erection of motor, refixing of power terminal box, re-erection of roof and refixing the hand rails.(Provision of crane for the works and transportation of the spare PA fan motor available at NCTPS-I stores to repair bay and then erected at PA fan motor location is under contractor scope).

OVERHAULING OF FD FAN MOTORS Charges for Removal of roof, removal of hand rails releasing of power terminal box, releasing the BHEL make, 6.6 kV,1100 kW, 1490 rpm FD Fan Motor from its bed after giving proper packing to the bed bolts, assisting while lifting and lowering of the motor and placing in position at repair bay and removing the coupling pulley (Provision of crane for the works and transportation of the FD fan motor to NCTPS –I stores after completion of motor overhauling works at repair bay is under contractor scope)

Charges for dismantling of BHEL make, 6.6KV, 1100 KW, 1490 rpm FD Fan Motor removing the fan cover, cooling fan and end covers, threading out the rotor, cleaning the stator winding and rotor and cooler tubes using compressed air.

Charges for checking and tightening of all loose wedges in the BHEL make, 6.6 KV, 1100 KW, 1490 rpm FD Fan Motor stator by inserting additional glass textolite liners and replacing all damaged wedges by new ones, checking the tightness of rotor bars and supplying and spraying one coat of Dr. Beck insulating varnish on the stator and rotor.

Charges for removing the BHEL make, 6.6 KV, 1100 KW, 1490 rpm FD Fan Motor bearing from the shaft, checking the bearing, checking its clearance, inspecting the bearings and replacement of bearings if necessary (both DE & NDE) (Bearings will be supplied by TANGEDCO).

Charges for threading in the BHEL make, 6.6 KV, 1100 KW, 1490 rpm FD Fan Motor rotor, assembling the motor and greasing the bearings.

Charges for supplying and painting 2 coat of deep orange enamel paint on the BHEL make,1100 KW,1490 rpm FD Fan Motor

Charges for Fixing the coupling pulley in the BHEL make, 1100 KW, 1490 rpm FD Fan Motor, transporting the motor from repair bay-I to location, assisting while lifting and lowering of the motor, placing in its bed for re-erection of motor, refixing of power terminal box, re-erection of roof and refixing the hand rails.( Provision of crane for the works and transportation of the spare FD fan motor to NCTPS –I stores to repair bay and then erected at FD fan motor location is under contractor scope).

OVERHAULING OF ID FAN MOTORS Charges for removal of roof, removal of hand rails, releasing power terminal box, releasing the BHEL make,6.6 kV 1500 kW 745 rpm ID fan Motor from its bed after giving proper packing to its bed bolts, assisting while lifting and lowering of the Motor and placing at repair bay and removing the coupling pulley (Provision of crane for the works and transportation of the ID fan motor to NCTPS –I stores after completion of motor overhauling works at repair bay is under contractor scope)

Charges for dismantling of BHEL make, 6.6 KV, 1500 KW, 745 rpm ID fan Motor cooler, removing the fan cover, fan and end covers, threading out the rotor, cleaning the stator winding and rotor and cooler tubes using compressed air.

Charges for checking and tightening of all loose wedges in the stator of BHEL make, 6.6 KV, 1500 KW, 745 rpm ID fan Motor by inserting additional glass textolite liners and replacing all damaged wedges by new ones, checking the tightness of rotor bars and supplying and spraying one coat of Dr. Beck insulating varnish on the stator and rotor.

Charges for removing the BHEL make, 6.6 KV, 1500 KW, 745 rpm ID fan Motor bearings from the shaft, checking the bearings and its clearance, inspecting the bearings and replacement of bearings if necessary (both DE & NDE) (Bearings will be supplied by TANGEDCO).

Charges for threading in the BHEL make, 6.6 KV, 1500 KW, 745 rpm ID fan Motor rotor, assembling the Motor and greasing the bearings.

Charges for supplying and painting 2 coat of deep orange enamel paint on the BHEL make, 6.6 KV, 1500 KW, 745 rpm ID fan Motor.

Charges for Fixing the coupling pulley in the BHEL make, 6.6 KV, 1500 KW, 745 rpm ID fan Motor by oil heating and transporting the Motor from repair bay-I to location, Lifting and lowering of the Motor and placing in its bed for re-erection of Motor, refixing of power terminal box, re-erection of roof and refixing the hand rails of.( Provision of crane for the works and transportation of the spare ID fan motor available at NCTPS –I stores to repair bay and then erected at ID fan motor location is under contractor scope).

Charges for dismantling and assembling works for failed HT Mill motor (6.6 KV 380KW, 590 RPM, BHEL make) for detailed inspection

Consumables and Tools and plants

SRI RAVI BALAJI ERECTORS