GENERAL Pothundy Dam Dam Safety Urgent overhauling of spill way shutter motors and maintenance General Electrical Work

Amount

Overhauling of motors

OD44569/2025-2026:Charges for dismantling the top cover of existing shutter hoisting motor up to 7.5 HP carefully and detaching the coupling pulley sets of main shaft and manually operating shutter hoisting unit, dismantling the electrically working shutter brake after disconnecting the supply line and dismantling the motor

OD66326/2025-2026:Dismantling the 5-10 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, test running including scrapping, cleaning and painting with enamel paint.

OD44570/2025-2026:Charges for refitting the shutter hoisting motor in position after levelling and correcting alignment to main shaft pulley and shutter hoisting pulley using spirit level and screw gauge etc including greasing the shafft, bearing and pulley set etc and conducting trial run at full load.

OD44601/2025-2026:Charges for detaching the cover of DOL starter board [reverse-forward type] of upto 7.5 HP motor, cleaning the terminals, contacts sockets, damaged tripping mechanism copper wires stud bolts etc and resembling the starter in full shape

OD66515/2025-2026:Charges for rewinding the burnt rotor/stator - separate motor in to stator and rotor, 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 stator/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, reassembling and test running.

OD44625/2025-2026:Conveyance charge of 1 - 15 HP motor / pump / panel board / starter board etc pump house to workshop and bring back to pump house.

90.15.4.5:Supply Conveyance, installation, testing and commissioning of 40W LED Flood light output greater than 105lumen/W 4000-6000 K with IP 66 protection LED Chip make Cree/Lumilled/Nichea with power factor greater than 0.95 at full load, internal surge protection up to 8 KV,and Aluminium pressure die-cast Powder coated housing, acrylic cover complete with THD less than10%, power factor greater than 0.98, RoHS compliant, duly wired up for use on 230 V AC supply. Driver compartment should be seperatly accessible for maintenance (LM 79&80 certificates from NABL accredited Third party lab to be produced mentioning chip manufacturer)

90.6.10.2:Supply and fixing of following sizes of light gauge PVC conduit along with accessories in surface/ recess including cutting the wall and making good the same in case of recessed conduit as required25 mm

1.17.30: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 6 sq. mm

90.12.24.3:Supply of superior quality copper tubular cable socket and making core termination of cables of the following sizes including crimping etc. as required.6 Sq mm

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

90.12.7.40:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 1.1 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required.4 core 10 sq mm with factory made clamp

OD44732/2025-2026:Supply and providing 2mm thick Elastomeric fire retardent insulating mat as per IS 15652/2006 to withstand 3.3KV dielectric strength near panel board/substation

AJITHKUMAR S. (BID ID -2226183)

Bidder Name

AJITHKUMAR S.

SAJEESH P