work

Amount

Description of Works

Attending the SF-6 gas leakage from 245 KV Circuit breaker (CGL make) of 400/220 KV 3I5 MVA ICT-II of R-phase pole Work includes opening of jumpers, connectors & dismentalling of 4inch IPS tube both side of breaker. Then extraction of SF-6 gas from R-phase pole in empty SF-6 gas cylinder. Then Safe dismantling of R-phase pole porcelain section, fixed & moving part assembly, of breaker after safely removing of nut bolt and gas kit of circuit breaker. After pulling out of circuit breaker fixed & moving part of breaker assembly then proper cleaning of breaker contacts , all part of chamber, replacement of defective O-ring of different size as per equipment of breaker pole (supplied by contractor in own cost) . Then complete erection of breaker moving & fix part and porcelain assembly of breaker. then creating vacuum in R-phase pole and then after filling of SF-6 gas up to required pressure then checking for leakage of gas with help of detector, checking and proper operation of circuit breaker . Then proper erection of both side of clamp & connector with 4 inch IPS pipe tube. all T&P , experiance engineer,labour, hydra should be arrange by contractor it self .

Tests for 220 kv Circuit Breakers associated & short out any defect found in wiring and with 315 MVA ICT- II:- 1. CRM 2. Open /closing time 3. PD test 4. Closing/Tripping coil Resistance 5. IR test

Attending of SF-6 gas leakage of 400 kv Banda-Rewa road-1st B-phase pole from connecting pipe line from breaker pole-2 pressure indication density meter, pressure gauge for Sf-6 gas alarm and lock out system after opening of connecting copper pipe and replacement of new O-rings ( supply by contactor). And removing all type of SF-6 gas leakage in pipe line. & rifling of SF-6 gas in to the breaker. ( all T&P arrange by contractor itself)

Attending of SF-6 gas leakage of 220 kv Banda-Banda 2nd Y,R phase pole from connecting pipe line from breaker pole-2 pressure indication density meter, pressure gauge for Sf-6 gas alarm and lock out system after opening of connecting copper pipe and replacement of new O-rings ( supply by contactor). and removing all type of SF-6 gas leakage in pipe line. & riffling of SF-6 gas in to the breaker. ( all T&P arrange by contractor itself)

Rates qouted by the bidders shall be without taxes. Taxes applicable if any to paid extra

M/S Bharat Construction (BID ID -5009162)

M/S V.K.T. SYSTEMS (BID ID -5008883)