Tamil Nadu Generation And Distribution Corporation Limited Tender
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Tamil Nadu Generation And Distribution Corporation Limited - TANGEDCO Tender
Machinery and Tools
Electrical and Electronics
Eprocure
Opening Date18 Jan 2025
Closing Date31 Jan 2025
Tender AmountRefer Documents
Costs
EMD
₹ 54,000Document Cost
Refer DocumentsTender Fee
Refer Documents
Summary
Nctps I Es Circle Em Ii Dn Sd I Time Bound Maintenance And Breakdown Works Of Ht And Lt Motors And Their Related Local Push Button Stations Of Mill Plant And Boiler Area Of All The Three Units At Nctps I Site For 360 Days
Description
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Contact
Tender Id
2025_EB_518949_1Bid Award Id
ViewTender No
CE/NCTPS-I/SE/ES/WC-46/2024-25Tender Authority
Tamil Nadu Generation And Distribution Corporation Limited ViewPurchaser Address
-Website
http://https://www.tangedco.gov.in/
GEM & Bid Advisory Services
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Documents
BOQ Items
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cleaning the outer surface and maintenance of the following motors:
Boiler fill pump motor- 415V, 55 KW, 2910 RPM -3 Nos, Hot well make up pump motor-415V, 9.3 KW, 2960 RPM - 6 Nos, PA fan LOP motor -415V, 1.5 KW 1460 RPM - 12 Nos.
Scrapper feeder motor-415 V, 11 KW 1460 RPM - 6 Nos, Clinker Grinder motor-415V, 11 KW, 1460 RPM - 6 Nos, Service water booster pump motor-415V, 7.5 KW, 2960 RPM - 2 Nos, Air pre heater water wash pump motor-415V, 22 KW, 2960 RPM - 2 Nos. ID fan AOP motor – 415V, 0.55 KW, 1400 RPM – 6 Nos. Total =43 Nos
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Cleaning of the outer surface and maintenance of the following motors: HT Mill motor-6.6 KV, 380 KW, 590 RPM - 18 Nos
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Cleaning of the outer surface and maintenance of the following motors:
ID Fan motor- 6.6KV , 1500 KW, 745 RPM - 6 Nos, FD Fan motor-6.6 KV, 1100 KW - 6 Nos
PA Fan motor- 6.6 KV, 1250 KW, 1480 RPM -6 Nos Total = 18 Nos
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Cleaning and maintenance of the local push button station of the following motors: Seal air fan motor – 415V, 37 KW, 2960 RPM – 9 nos.
Mill LOP motor – 415V, 2.2 KW, 910 RPM – 18 Nos.
Total = 27 nos.
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Cleaning and maintenance of the local push button station of the following motors:
Ignitor air fan motor – 415V, 22 KW, 1460 RPM – 6 nos.
Scanner air fan motor – 415V, 5.5 KW, 2910 RPM – 6 Nos.
Air pre heater motors – 415V, 11 KW, 1460 RPM – 12 Nos.
Total = 24 Nos.
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Cleaning and maintenance of the local push button station of the following motors:
Support bearing LOP motor – 415 V, 0.75 KW, 1460 RPM – 12 Nos.
Guide bearing LOP Motor – 415V, 0.55 KW, 910 RPM – 12 Nos.
Total = 24 nos.
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Cleaning and maintenance of the local push button station of the following motors:
Boiler fill pump motor – 415V, 55 KW, 2910 RPM – 3 Nos.
Hot well make up pump motor – 415 V, 9.3 KW, 2960 RPM – 6 Nos.
Scrapper feeder motor – 415V, 11 KW, 1460 RPM – 6 nos.
Clinker grinder motor – 415V, 11 KW, 1460 RPM – 6 Nos.
Service water booster pump motor – 415V, 7.5 KW, 2960 RPM – 2 Nos.
Air pre heater water wash pump motor – 415V, 22 KW, 2960 RPM – 2 Nos.
Total = 25 nos.
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Cleaning and maintenance of the local push button station of the following motors: HT Mill motor – 6.6 KV, 380 KW, 590 RPM – 18 Nos.
PA fan LOP motor – 415V, 1.5 KW, 1460 RPM – 12 Nos.
Total = 30 Nos.
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Cleaning and maintenance of the local push button station of the following motors:
ID fan motor – 6.6 KV, 1500 KW, 745 RPM – 6 nos.
FD Fan motor – 6.6 KV, 1100 KW – 6 Nos.
PA Fan motor – 6.6 KV, 1250 KW, 1480 RPM – 6 nos.
ID fan AOP motor – 415V, 0.55 KW, 1400 RPM – 6 Nos.
Total = 24 Nos.
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OVERHAULING OF LT MOTORS
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 and 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 -4 Nos)
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Motor capacity ranges from 7.51 KW to 12 KW(9.3 KW Hot well makeup pump motor - 4 Nos and 11KW clinker grinder motor – 6 Nos and 11 KW Air preheater motor – 2 nos.)
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Motor capacity ranges from 12.1 to 30 KW(22 KW ignitor Air fan motor -4 No)
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Motor capacity ranges from 30.1 to 50 KW(37 KW seal Air fan motor -10 Nos.)
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Motor capacity ranges from 50.1 to 75 KW (55 KW Boiler fill pump motor - 2 No)
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REPLACEMENT OF FAILED L.T MOTORS RANGES FROM 4.81 KW TO 15 KW
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 of the motor with the pump or impeller ( For the rating from 4.81 KW to 15 KW)
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REPLACEMENT OF FAILED L.T MOTORS RANGES FROM 15.1 KW TO 30 KW
Disconnecting the power cable, releasing the motor from its bed, lifting, lowering and transporting the motor to aconvenient 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 of the motor with the pump or impeller ( For the rating from 15.1 KW to 30 KW)
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REPLACEMENT OF FAILED L.T MOTORS RANGES FROM 30.1 KW TO 160 KW
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 of the motor with the pump or impeller ( For the rating from 30.1 KW to 160 KW)
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OVER HAULING OF MILL MOTOR
Removal of plates at 4.5 mtr. Level, releasing of power terminal box, releasing the BHEL/CG 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 stores after completion of motor overhauling works at repair bay is under contractor scope)
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Removing the BHEL /CGmake, 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.
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Checking and tightening of all loose wedges in the BHEL/CG 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.
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Removing the BHEL/CG 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
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Threading in the BHEL/CG 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.
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Supplying and painting 2 coat of deep orange enamel paint on the BHEL/CG make, 6.6 Kv, 380KW, 590rpm Coal Mill Motor .
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Transporting the BHEL/CG 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)
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OVERHAULING OF PA FAN MOTORS
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)
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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.
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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.
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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).
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Threading in the BHEL make,6.6 Kv,1250 KW, 1460 rpm PA Fan Motor rotor, assembling the motor and greasing the bearings.
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Supplying and painting 2 coat of deep orange enamel paint on the BHEL make,1250 KW,1460 rpm PA Fan Motor.
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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).
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OVERHAULING OF FD FAN MOTORS
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)
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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.
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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.
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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).
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Threading in the BHEL make, 6.6 KV, 1100 KW, 1490 rpm FD Fan Motor rotor, assembling the motor and greasing the bearings.
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Supplying and painting 2 coat of deep orange enamel paint on the BHEL make,1100 KW,1490 rpm FD Fan Motor
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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 available at NCTPS –I stores to repair bay and then erected at FD fan motor location is under contractor scope).
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OVERHAULING OF ID FAN MOTORS 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)
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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.
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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.
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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).
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Threading in the BHEL make, 6.6 KV, 1500 KW, 745 rpm ID fan Motor rotor, assembling the Motor and greasing the bearings.
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Supplying and painting 2 coat of deep orange enamel paint on the BHEL make, 6.6 KV, 1500 KW, 745 rpm ID fan Motor.
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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).
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Dismantling and assembling works for failed 6.6 KV HT mill motor/PA fan motor/ FD fan motor/ ID fan motor for detailed inspection.
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