REPLACEMENT OF DEFECTIVE 33KV VCB AND PROVIDING AND FIXING OF VACUUM INTERRUPTER AT DIFFERENT SUBSTATIONS UNDER ELECTRICITY TRANSMISSION DIVISION, ETAWAH

Amount

Safe Carriage of 33kv Circuit Breaker from 132kv s/s Chhibramau to 220kv s/s Bharthana by private carrier including handling, Shifting , loading & unloading works etc .

Dismantling the damaged / defective 36 KV VCB of 33kv feeder Rooppur sahar at 132kv s/s Bidhuna and 36kv VCB of 33kv feeder Niwarikalan at 220kv s/s Bharthana by opening, jumper, cable termations, nut and bolts etc. from plinth, and remove earthing by cutting and shifting it to store .

Making the frame of galvanized structure suitable to fixing it on plinth with proper matching of new breaker structure holes. Erection of 36 KV VCB circuit breaker with proper jumper tightening, earthing and leveling including all work for proper erection including shifting of VCB from store to site.

Termination at VCB of following sizes of control cable as laid already including making necessary holes in gland plates or box wherever required, providing and fixing of cable glands of appropriate size, supply and providing ferrules and Nos. for each core of cable and its termination with crimping type lugs of Dowell/Tension make and all other associated work to complete the jobs satisfactorily as per technical specification.

2Cx2.5 Sq. mm. Unarmoured

4Cx2.5 Sq. mm. Unarmoured

6Cx2.5 Sq. mm. Unarmoured

Providing & fixing of vacuum interrupter in defective 33kv VCB Siemens make of Karhal feeder of B Phase which megger value is found less than 100M-ohm at 220kv s/s Saifai .

Providing & fixing of vacuum interrupter in defective 33kv VCB Shreem make of Bhagautipur feeder of R Phase which megger value is found less than 100M-ohm at 132kv s/s Auraiya.

After replacement of vacuum interrupter following test to be carried out of 33kv karhal feeder at 220kv s/s Saifai and 33kv Bhagautipur feeder at 132kv s/s Auraiya (a).Checking & adjustment of snatch gap, travel of drive insulator rod & tie rod of each pole. (b) Opening & closing time of breaker of each pole (c) Carrying out contact resistance measurement (CRM test) of each pole. (d). Checking of megger values of breaker poles. (e). Checking tripping of breaker at 70% DC voltage (f). Checking the close / open operation of breaker from remote & local and rectification of fault , if any

Hi-tech power transmission (BID ID -5287814)

SHASHI ENTERPRISES (BID ID -5287846)