bids are invited for repair & overhauling of 33 kv cgl make vcb of 33 kv bahadarpur, at 220 kv s/s amroha. by doing following work in circuit brcaker. clcaning of porcelain of drive insulator and porcclain of vacuun interrupter of cach pole. checking & adjustmcnt of snatch gap, travel of drive insulator rod & tie rod of each pole. opening, repairing of mechanism by welding, drilling, machining and filing of material as per requirement and proper fitting of it in breaker cubicle. oiling & greasing of crank gears by opening of lock, circlip etc. replacement of worn-out parts such as bush, rings, lock pins and latch etc. checking & adjustment of oil despot of repairing & overhauling of vcb following test ot be carried out opening & closing time of breaker of each pole. checking of megger values of breaker poles. checking tripping of breaker at 70% dc voltage. checking the close/open operation of breaker from remote & local.