GENERAL-AMC 2025-26-Fully Comprehensive Annual Maintenance Contract of Sreebhoothapuram No1,Sreebhoothapuram No 2 LIS under Electrical irrigation section Kalady-Electrical -General Electrical Work

Motor Overhauling Works

OD57359/2025-2026: Dismantling the 160 HP motor into stator and rotor, cleaning the windings attending minor repairs, re taping the coils if necessary, varnishing the coils with best quality insulation varnish, cleaning and greasing the bearings with good quality grease, heating the windings, reassembling, refitting the motor in position coupling with pump correcting alignment and giving connection, test running with full load including scrapping, cleaning and painting the motor pumpset, base plate etc.with enamel paint.

Motor Lowering Works

OD57361/2025-2026: Lowering down and erecting 5 HP motor/vacuum motor pump set, starter and other electrical accessories,( Accessories when necessary ) and erecting the motor on the base plate coupling with pump, erecting the starter regulator TP switch etc in position giving connections checking correct alignment and trial run on full load

OD57360/2025-2026: Lowering down and erecting 160 HP motor, starter and other electrical accessories,( Accessories when necessary ) and erecting the motor on the base plate coupling with pump, erecting the starter regulator TP switch etc in position giving connections checking correct alignment and trial run on full load

Consumables and Supplies

OD57343/2025-2026:Supply and renewal of Multifunction meter to read: multifunction meter to read VA,PF,KW,KWh, accuracy class-1 LCD in panel board after dismantling the damaged one, L&T or Equivalent make.

OD57340/2025-2026:Supply and fixing of 200/5 A, 10 VA accuracy class 1, resin cast metering CT

OD57349/2025-2026: Supply and renewal of the LED Indication lamps in panel board after dismantling the damaged one

OD57348/2025-2026:Supply and Installing 20 W LED Tube light.

OD57339/2025-2026:Supply and renewal of Three Phase digital Ammeter accuracy class 1 in panel board after dismantling the damaged one, L&T or equivalent make.

90.16.3.3:Supply and clamping the following size of strips on surface of wall/ parapet/ existing cable tray using clamps fabricated from 20 X 3 mm GI flat duly painted or heavy duty GI spacer saddles spacing of clamps not exceeding 1 m, making good the damages, colour washing etc. as required ( for horizontal run)25 x 6 mm GI strip

OD57347/2025-2026:Supply and Installation of DOL starter for 5 HP 3 phase 400V 50Hz squirrel cage induction motor including giving connections( L&T /Equivalent made)

90.14.24.27:Supply & fixing the following Power Capacitors 3 phase delta connected in positon and giving connection.25 KVAr, 3 phase, 440 V, delta connected, standard duty Metalised Poly Propylene Capacitor, Box Type, suitable for direct connection to motors.

OD57338/2025-2026:Supplying and drawing following sizes of FRLS PVC insulated copper conductor, single core cable in the existing surface / recessed steel/ PVC conduit as required. 3 x 10 sq. mm

OD57351/2025-2026:Replacing the damaged bearing, supply and fixing new industrial type ball bearing 6311 , SKF / FAG or equivalent, suitable for 160 HP motor / pump set ,as per the direction of Departmental staff at site

OD57345/2025-2026:Replacing the damaged bearing, supply and fixing new industrial type ball bearing 6315 , SKF / FAG or equivalent, suitable for 100 HP motor / pump set, as per the direction of Departmental staff at site.

OD57352/2025-2026:Replacing the damaged bearing, supply and fixing new industrial type ball bearing 6316 , SKF / FAG or equivalent, suitable for 120/150 HP motor / pump set as per the direction of Departmental staff at site.

OD57341/2025-2026:Dismantling the damaged power contactor and Supply, fixing and testing of following capacity 3 pole power contactor, AC 3 rating at 415 V, with AC Coil, Auxiliary contacts, 2 NO/2NC, L&T MNX 225 or equivalent suitable for 160 HP motor's fully automatic star delta starter

OD57346/2025-2026:Supply of electronic timer for FASD(L&T ST 80329000 ) or equivalent

OD57344/2025-2026:Supply and Installation of L&T MNX-A1 ADD-ON BLOCK 4 Pole (2NO+2NC) Contactor

OD57350/2025-2026:Supply and fixing of L&T Overload relay for 160 HP Squirrel cage motor starter

OD162379/2025-2026:Fabricate, supply and install base plate for 5 HP vacuum motor pump set including concrete base ,using 75x40x6 mm MS C channel , cutting, welding, drilling painting etc as required

Motor AMC

OD57357/2025-2026:Fully Comprehensive Annual Maintenance of 5 HP Vacuum motor pump set , D.O.L starter ,controlling electrical accessories , etc complete for a period of 12 months including attending all repairs , reconditioning the damaged parts, replacing spares with original make as per sample, dismantling and refitting , removing foreign bodies , renewal of gland packing , gasket packing , rubber packing , greasing the bearing etc as and when required including overhauling of pump, overhauling of the motor, maintenance of motor through out the AMC period whenever necessary (excluding rewinding) repairs of vacuum pipe line, starter, valves electrical accessories etc as required complete in good working condition including painting the motor pump set, base plate all time during the period of contract and the faults should be rectified with in the time allowed.( Total 2 Motors 12 months for each motors)

OD57358/2025-2026: Fully Comprehensive Annual Maintenance of 160 HP squirrel cage induction motor with split case / End suction pump set , starter, controlling electrical accessories , panel board,etc complete for a period of 12 months including attending all repairs ,overhauling & reconditioning of starter , replacing of damaged contacts, no volt relese coil, overload coil, reconditioning and refil oil, overhauling of panel board by checking the wire connections, control wiring, servicing of switch geares as required, replacing the burnout fuse links, repair the damaged hinges replacing wornout beedings including painting etc. replacing the damaged coupling bush, and coupling bolts, Overhauling and reconditioning the pumpset by reconditioning the damaged parts , replacing spares with original make as per sample , removing foreign bodies , renewal of gland packing , gasket packing , rubber packing , greasing the bearing etc as and when required, painting the starter, base palte, pumpset and maintain the motor pump sets starter , electrical accessories etc complete in good working condition all time during the period of contract and the faults should be rectified with in the time allowed . total 2 motors 12 months for each motors)

OD57356/2025-2026: Fully Comprehensive Annual Maintenance of 160 HP Slip ring induction motor with split case / End suction pump set , starter, controlling electrical accessories , panel board, etc complete for a period of 12 months including attending all repairs ,overhauling & reconditioning of starter , replacing of damaged contacts, no volt relese coil, overload coil, reconditioning and refil oil, reconditioning the slipring unit as required, overhauling of panel board by checking the wire connections, control wiring, servicing of switch geares as required, replacing the burnout fuse links, repair the damaged hinges replacing wornout beedings including painting etc. replacing the damaged coupling bush, carbon brush and coupling bolts, Overhauling and reconditioning the pumpset by reconditioning the damaged parts , replacing spares with original make as per sample , removing foreign bodies , renewal of gland packing , gasket packing , rubber packing , greasing the bearing etc as and when required, painting the starter, base palte, pumpset and maintain the motor pump sets starter , electrical accessories etc complete in good working condition all time during the period of contract and the faults should be rectified with in the time allowed . (Total 3 motors 12 months for each motors)

Motor Lifting Works

OD57355/2025-2026: Lifting the 5HP motor after disconnecting the wire connection, decoupling the pump, detaching from the base plate, starters, TP switches etc. using chain block, rope, chain etc. and placing them conveniently on the platform.

OD57354/2025-2026: Lifting the 160 HP motor after disconnecting the wire connection, decoupling the pump, detaching from the base plate, starters, TP switches etc. using chain block, rope, chain etc. and placing them conveniently on the platform.

Rewinding

OD59373/2025-2026:Disconnect all electric connections from the motor , decoupling the motor from pump and remove the base bolts from motor and base plate and kept the motor at safe place , checking and testing the stator and rotor winding, power above 120 HP, leading the motor to the nearest roadside using manpower, rope , chain, reaper etc. as required without getting damages to the motor, including loading into the vehicle and unloading at workshop for repairs and to and fro Conveyance Charges,resetting the rewound motor, refitting the motor on the base plate, couplin with pump in correct alignment, givin wire connection , taking trial run on full load.

OD59375/2025-2026:Charges for rewinding the burnt rotor/stator - separate stater and rotor/stator, dismantling the damaged rotor/stator winding from the rotor/stator slots, cleaning the slots neatly, insulating the slots with correct class of insulating paper, winding the rotor/stator with good quality correct gauge of super enamelled copper winding wires, closing the rotor/stator slots with fibre wedges, putting proper inter layer insulation, connecting the coil end connection, providing new rotor/stator 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, reassembling and test running(Less scrap copper)

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