ENERAL-Mundengara LI scheme .Malappuram Dt-Rewinding of 1 No 60HP old slip ring Induction motor -General Electrical Work

Amount

1 Rewinding And Connected Repair Work

OD75204/2022-2023:Leading the burnt motor power greater than 60 HP and up to 75 HP ( alreadydismantled) from pump house to the nearest road side, loading into the vehicle,including charges for loading and unloading etc.

OD75212/2022-2023:Charges for rewinding the burnt rotor after dismantling the damaged rotor winding from the rotor slots, cleaning the slots neatly, insulating the slots with correct class of insulating paper, winding the rotor with good quality correct gauge of super enamelled copper winding wires, closing the rotor slots with fibre wedges, putting proper inter layer insulation, connecting the coil end connection, providing new rotor lead wire, steel binding the overhang with proper insulation at both ends, heating the coils and varnishing with good quality insulation varnish, keep it for drying

OD75214/2022-2023:Seperate the motor in to stator and rotor , remove the whole burnt stator coil by cutting, pulling and cleaning the slots.Insulating the slots by using nomex paper, rewinding the complete stator slots by using same gauge new copper super enameled winding wire and taping coils.Providing new lead wires, sockets etc.Varnishing the coil using best quality insulation varnish and baking the coils, reassembling and test run the motor.(Less the cost of scarp copper wire)

OD75215/2022-2023:Supply & renewal of bearing No 6313/6313 C3

OD75765/2022-2023:Replacing the slip ring unit of 60 HP induction motor pump set with new one

OD75853/2022-2023:Replacing the existing brush holder with new one

OD75222/2022-2023:Replacing the existing coupling pulley set of the above motor pump set with new set including supply of suitable pulley set & coupling, necessary industrial works and correcting the alignment of the motor pump set- (60-75) HP

OD75230/2022-2023:Dismantling the pump,taking out the impeller shaft assembly,removing any foreign materials from the pump,cleaning,checking the impeller leaves,supply and providing fresh gland packing greasing the bearings etc60-75HP pump scraping cleaning painting with two coats of best enamel paint

OD75858/2022-2023:Reconditioning the worn out shaft of the existing pump set by welding ,mettalling ,cutting, grinding,polishing etc making bearing seating,impeller seating...etc

OD75234/2022-2023:Supply & renewal of bearing No 6309/ 6309-C3

OD75883/2022-2023:Supply and renewal of coupling bolt of 60-75 HP motor

OD27441/2023-2024:Supply and renewal of coupling bush in position of 35-60 HP Motor

OD75239/2022-2023:Leading the rewound motor power greater than 60 HP and up to 75 HP fromworkshop to pump house, unloading and conveying to the base plate etc

90.12.9.2:Supplying, laying and jointing of the following sizes of double wall corrugated (DWC) pipes made out of HDPE conforming to IS 14930 Part II for mechanical protection to underground power cables with all required accessories in ground in the existing trench50/38 mm or nearest size

OD27482/2023-2024:supply and replacing the existing starter contact by parts draining out the oil, cleaning the tank, terminal contacts, cutting, leveling and polishing the contacts, cleaning contacts wherever necessary, checking the tripping mechanism, replacing the damaged wires, attending minor repairs, cleaning the oil, refitting, resetting and making the starter in good working condition.

OD75248/2022-2023:SITC of Stator rotor starter relay coil(SR type)

OD28413/2023-2024:Supply, conveyance and filling of good quality LT grade transformer oil

90.14.11.17:MCCB AccessoriesSupply and fixing kastel interlock kit up to 250A.

OD75927/2022-2023:Charges for dismantling the existing switch gears from the panel board and doing necessary industrial works on the panel board for fixing inter lock and refixing the swithgears including conveyance charges for tools and equipments to the pump house site and return back

90.14.11.13:MCCB AccessoriesSupply and fixing rotary handle, External type (including BUC handle with door interlock ) in the existing MCCB of rating up to 250 A

OD27498/2023-2024:Supply,fixing and installation of Three Phase Voltmeter accuracy class 1-Digital type

90.14.24.2:Supply & fixing the following Power Capacitors 3 phase delta connected in positon and giving connection.2 KVAr, 3 phase, 440 V, delta connected standard duty Metalised Poly Propylene Capacitor, Cylinderical Type, suitable for direct connection to motors.

90.14.24.10:Supply & fixing the following Power Capacitors 3 phase delta connected in positon and giving connection.15 KVAr, 3 phase, 440 V, delta connected standard duty Metalised Poly Propylene Cylinderical Type Capacitor, suitable for direct connection to motors.

90.16.1.3:Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required3.15 mm copper conductor ( 10 SWG)

90.16.1.5:Supply and drawing bare earthing conductors of the following sizes along with wiring/ cables and giving connection as required4.75 mm copper conductor (6 SWG)

90.16.5.3:Supply of superior quality copper earth socket for the following size of earth conductor including crimping etc. as required.3.15 mm (10 SWG)

90.16.5.5:Supply of superior quality copper earth socket for the following size of earth conductor including crimping etc. as required.4.75 mm (6 SWG)

90.14.7:Supply and providing copper earth bus in the panel board

ELECTROWIND ENGINEERING CO

Bidder Name

ELECTROWIND ENGINEERING CO

noushadali mannukodavan