Maintenance of Electrically operated hoist, cable reeling drums and other associated equipment, power/control cables, 6.6 KV VCB and cleaning of bus bars

Amount

Maintenance of hoist which includes cleaning of panels, monorails and other electrical equipment, replacement of defective components

Greasing / oiling of wire rope and other moving parts of hoist.

Bringing down the complete hoist unit from mono rail to the respective floor for attending the breakdown and re-positioning.

Repositioning of entangled wire rope of electrically operated hoist after taking out hook for attending fault in control panel or overhead system.

Attending / replacing damaged fuses, contacts, relays or any other electrical part of electrically operated hoist at mono rail level.

Operational and maintenance assistance for electric hoists as per requirement at site.

Shifting and reinstallation of hook pulley of hoist / replacement by new hook pulley.

Disentangling of flexible movable cable and minor repair of cable supporting structure of electrically operated hoist.

Routine checking of slip ring assembly of CRD

Overhauling of slip ring assembly of CRD

Stress releasing of multi core flexible copper cable of slip ring assembly of CRD.

Realignment of cable reeling drum of slip ring assembly.

Setting the torque of coupler of slip ring assembly of CRD

Cable Laying of H.T. Power cable up to 400 mm2

Cable Laying of L. T. Power / control cable up to 10 mm2

Cable Laying of L. T. Power / control cable above 10 mm2 to 50 mm2

Cable Laying of L. T. Power / control cable above 50 mm2 to 300 mm2

Termination of H.T. Power cable up to 400 mm2

Termination of L. T. Power / control cable up to 10 mm2.

Termination of L. T. Power / control cable above 10 mm2 to 50 mm2.

Termination of L. T. Power / control cable above 50 mm2 to 300 mm2.

Salvaging of H.T. Power cable up to 400 mm2

Salvaging of L. T. Power / control cable up to 10 mm2

Salvaging of L. T. Power / control cable above 10 mm2 to 50 mm2.

Salvaging of L. T. Power / control cable above 50 mm2 to 300 mm2.

Straight through flexible joint of H.T. Power cable up to 400 mm2

Straight through flexible joint of L.T. Power/control cable up to 10 mm2

Straight through flexible joint of L. T. Power / control cable above 10 mm2 to 50 mm2

Straight through flexible joint of L. T. Power / control cable above 50 mm2 to 300 mm2

Erection / re-erection of G.I. / M.S. perforated and ladder type trays of different size.

Fixing / re-fixing of tray cover of different size over the cable trays.

Erection of junction boxes of size 200 mm2 to 600 mm2.

Erection of conduit pipe in under concrete/cement floors up to 75 mm diameter.

Erection of conduit pipe in air of size up to 75 mm diameter.

Digging of earth for laying / salvaging of cable.

Installation of welding sockets, MCCB, DB, T.P.N. switches etc.

Repairing of cables by rapping of HT & PVC tape.

Dressing of cables over existing tray.

Maintenance of 6.6 KV vacuum Circuit Breakers installed in the CHP of 2x500 MW units.

Cleaning of 6.6 KV buses installed in the CHP of 2x500 MW Units.

Cleaning of 0.4 KV buses installed in the MSS of CHP of 2x500 MW units.

Cleaning of 0.4 KV buses installed in the SS-1 of CHP of 2x500 MW units.

Cleaning of 0.4 KV buses installed in the SS-2 of CHP of 2x500 MW units.

Dismantling, cleaning, testing & re commissioning/ replacement of CT/PT of 6.6 KV switch gear.

Replacement of protection relays / bus CT/ Bus PT etc. of 0.4 KV / 6.6 KV switch gears of MSS, SS-1, SS-2 & Stacker re claimer including rectification of the fault of associated circuit.

Preventive maintenance of 220 V DC Trickle / Boost charger / battery terminal panels including replacement of defective parts and re commissioning.

Up keeping of PLC interface panels installed in CHP control room, SS-1, SS-2 & Stacker-re claimer’s control cabin (one job means once in a day, the job has to be carried out twice a week).

M/S DURGA ELECTRIC

M/S ALOK ENTERPRISES

M/S SHYAM ERECTORS