Dismantling of pole of ABB make 132 KV SF6 Circuit Breaker at 132 KV Teliarganj

Amount

Safe demount of pole of ABB make 132 KV SF-6 Circuit Breaker (Type-LTB145D1/B, Mfy. 2015) of 132 KV Phoolpur Ckt.-I for attending gas leakage.

Inspection and rectification of gas leakage of 132 KV SF-6 Circuit Breaker. Job includes opening of B-phase assembly from upper and lower terminal flanges, cleaning of all groves of flanges and porcelain with petrol, scrubber pad and acrylic solution. Replacement of all O-ring of the pole and gas pipe fittings by applying annabond adhesive. Reassembly & erection of pole then evacuation of pole upto 0.76 MPa after testing of vaccum for 12 hours and satisfactory result, refilling of SF-6 gas upto required level. Checking of proper operation of circuit breaker from local and remote. Cost includes all materials, T&P and other associated work including SF-6 gas completed the job satisfactorily.

B.R. ENTERPRISES

R.S.ASSOCIATE