Tender For Major Overhauling And Related Works Of 132Kv Pneumatic Operated ,Sf6 Circuit Breaker Installed At 220Kv S/S Naubasta Kanpur Under Etd-Ii Kanpur. - Major Overhauling Including Attending Sf6 Gas Leakage Of Hbb/Cglmake 145Kv Sf6 Circuit Breaker I, Kanpur-Uttar Pradesh
TDR : 52000270
Tender Notice
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Kanpur
Uttar Pradesh
Corrigendum : Tender For Major Overhauling And Related Works Of 132Kv Pneumatic Operated ,Sf6 Circuit Breaker Installed At 220Kv S/S Naubasta Kanpur Under Etd-Ii Kanpur. - Major Overhauling Including Attending Sf6 Gas Leakage Of Hbb/Cglmake 145Kv Sf6 Circuit Breaker I
Name of Work: FORMAJOR OVERHAULING AND RELATED WORKS OF 132KV PNEUMATIC OPERATED,SF6 CIRCUIT BREAKER INSTALLED AT 220KV S/S NAUBASTA KANPUR UNDER ETD-II KANPUR.
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Item Description
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Major overhauling including Attending SF6 gas leakage of HBB/CGLmake 145KV SF6 circuit breaker installed at 132KV Krishna Nagar-I & II, 132KV Sarh and 132KV MSKP bays at 220KV S/S Naubasta. The job includes overhauling of complete mechanism assembly by opening of control valve assembly holding latch anti pumping pin opening and cleaning of pneumatic system cylinder shock absorber etc. cleaning and greasingof all these parts, opening of reservoir checking of electrical all connection and tightening them rectification of air leakage problem through NRV safety valve replacement of consumable spares as roller, control valve sheet, O-ring P-80, O-ring P-18, O-ring P-7,O-ring-P140 etc and other damaged ring of mechanism assemblyif necessary rectification of gas leakage from 6mm & 12mm gas pipe assembly by replacement O-ring & brazing, checking & re-tightening of electrical connectionsatisfactory operation of breakerof the local & remote of the breaker installed at 220KV S/S Naubasta.
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