annual maintenance of diesel generator set 0point 4 kv compressors bkrs modules panels etc of 5 into 200mw units btps obra , fault rectification/cleaning & servicing of circuit breakers of complete mcc , various lt modules , local panels , emergency restoration of bus bar , cleaning & servicing of bus bar , replacement of heating element of air drier and related work . , compressor mcc section l&t circuit breakers-a/b/ coupler , compressor mcc section c&s electric breakers-a/b/ coupler , l . t . modules of service air & instrument air compressor=19 nos . , total-19nos , twice in a year . , l . t . modules of instrument air drier = 03 nos . , exhaust fan=29 nos . , eot crane=01 no . , lighting=01 no . , twice in a year . , cleaning & servicing of 0 . 4kv bus bar system , old & new ( section a / b of compressor mcc ) . , replacement of heating element of air driers of 0 . 4kv compressor room by opening its heating chamber & replacement of its defective contactors & relays etc . ( spares shall be provided by nigam ) . , emergency restoration of 0 . 4kv bus bar system with modules & breaker after flashover working round the clock , fault rectification/cleaning & servicing of ckt . breaker of dg sets , cleaning and servicing of auto load sharing panel , local panel of dg sets , cleaning & servicing/emergency resotation of 0 . 4kv bus bar of dg set & related work___d . g . set switchgear , d . g . set no . 1 to 4 , coupler , incomer & unit feeder-11nos . , fault rectification/cleaning & servicing of ckt . breaker of dg sets , cleaning and servicing of auto load sharing panel , local panel of dg sets , cleaning & servicing/emergency resotation of 0 . 4kv bus bar of dg set & related work___cleaning & servicing of 0 . 4kv bus bar system ( section a / b of dg set switchgear ) , fault rectification/cleaning & servicing of ckt . breaker of dg sets , cleaning and servicing of auto load sharing panel , local panel of dg sets , cleaning & servicing/emergency resotation of 0 . 4kv bus bar of dg set & related work____emergency restoration of 0 . 4kv bus bar system with modules & breaker after flashover working round the clock .