ELECTRICAL WORK

Amount

Overhauling of each pole mechanism assemblies of sf-6 circuit breakers (each breaker having one pole assembly). The work include overhauling of control assembly, opening latch, closing latch, support latch, anti-pumping assembly, opeing and cleaning of motor charging system, cylinder shock absorber, closing damper etc. And adjustment of all type of gaps cleaning and greasing of levers, connection rods, cam, dis cam, and other parts, opeing of different mechanism assembly for rectification of wear and tear along with rectification/repairing (whatever required) of rollers and linking of mechanism assembly, checking of motor limit switch, auxiliary contactors, power contactors and all electrical connection and tightening them replacing them if required, replacement of o ring and brazzing of gap pipe assembly of the mechanism and ensuring satisfactory operation of breaker from local and remote, testing of closing, tripping time along with contact resistance measurement of concerned 220kv breaker at substation. All skilled service engineers, materials and t & p required for satisfactory completion of job is to be provided by contractor.

Defective 400 Watt HPSV light fitting will be dismantled of various High Mast at 400 kV Substation Greater Noida.

160 Watt LED complete Light fitting will be purchased for mentioned work.

160 Watt LED complete Light fitting will be installed in place of Defective 400 Watt HPSV light fitting of various High Mast at 400 kV Substation Greater Noida.

OHM ENTERPRISES AND ENGINEERS

BARKATI ENTERPRISES