Work

Amount

Overhauling of each pole mehanism assemblies of CGL make 245 kV SF6 CB(eacch breaker having three pole assembly).The job includes overhauling of control assembly,opening latch,closing latch,suppourt latch,anti pumping assembly,opening & cleaning of motor charging system,cylinder shock observer,closing damper etc & adjustment of all types of gaps,cleaning & greasing of levers,connecting rods,cam,disc cam and other parts,opening of different mechanism assembly for rectification of wear & tear along with rectification/repairing(whatever required) of rollers & linking of mechanism assembly,checking motor limit switch,Auxialiary contactors,power contactors and all electrical connections and tightening and and replacing them if required,replacement of O rings and brazing gas pipe asembly of the mechanism,ensuring satisfactory operation of breaker from local and remote testing of closing and tripping time along with CRM of 220 kV Deoria feeder at 220 kV Rasra S/S.All skilled service engineers ,materials &TnP required for satisfactory completion of job is to be provided by contractor.

Supplying and replacing of Spare parts for 145 kV circuit breaker.

Ratchet wheel in 132 kV BUS Transfer CB

Spring charging motor 230 V DC & AC for 132 kV BUS Transfer CB

Supply of Auxialiary contactor 110 V DC with add on block

Supply of limit switch for charging of motor for 220 kV CB CGL make

Lucknow Electric House

S N ENTERPRISES