Dakshinanchal Vidyut Vitran Nigam Limited-DVVNL has published Work For Maintenance And Overhauling Of Different Make 11 Kv Ocb/Vcb On Semi Turnkey Basis At Various Sub Stations Under E.D.D.-Ist, Mathura. Submission Date for this Tender is 21-10-2023. Circuit Breakers Tenders in mathura Uttar Pradesh. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Complete reapiring and general overhauling of damaged 11 KV VCB/OCB installed at different 33/11 KV S/s. The following work includes overhauling and repairing of VCB :- (a) Complete alignment of three poles. (b) Alignmentt of complete mechanism and also includes the placement of defective components which includes dundry itmes such as charging handle, brass pins, iron pins, tripping shaft, closing shaft, tripping blade, tripping roller, brass/copper bushes, oil tank rubber & embross rubber, rack in, ran out change) etc. so as to rectify the defects for proper charging and discharging for giving good result at tripping and closing operations. (c) Cleaning and washing of three poles with bus bar by Thinner. (d) Checking and re-alignment of gap maintaining in vacuum interrupters. (e) Completely washing of trolley with Thinner. (f) Providing Insulated Paint on epoxy item i.e. Spout, vacuum chamber, Drive indulator etc. (g) General overhauling after cleaning oiling and greasing. Including Replacement of following spare parts as per requirment. Make Videography/Photography of work site before & after completion of work. |
| 2 | Lower Connection 800 amp (CGL) |
| 3 | Upper Connection 800 amp (CGL) |
| 4 | Small Gear with barring (CGL) |
| 5 | Big Gear with barring (CGL) |
| 6 | Triping Coil Assembly 24 VAC |
| 7 | Closing Coil Assembly |
| 8 | Charging Lever |
| 9 | Female Contact suitable for CGL/BHEL/Yamuna/Stelmac VCB |
| 10 | Off Indicator-Green 24 V DC+220 VAC |
| 11 | On Indicator-Red 24 V DC+220 VAC |
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