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| 1 | Opening of transformer cover draining oil de-tanking core-coil assembly Assessment and estimation for repair and replacement of parts providing locking arrangement of all valves and plugs | Opening of transformer cover, draining oil, de-tanking core-coil assembly, Assessment and estimation for repair and replacement of parts, providing locking arrangement of all valves & plugs as per the requirements of the specification, cleaning & washing of dust/rust & dirt from all other parts, I/c core tanking & cooling tubes, retaking etc. as reqd. |
| 2 | Loading and unloading of transformer at side CPH and Firms work premises hiring | Loading and unloading of transformer at side (CPH and Firms work premises) hiring of crane and transportation charge to and fro Supervision and commissioning charges etc as reqd. |
| 3 | HV leg coil with insulation varnish and baking of coil assembling vacuum | HV leg coil with insulation, varnish & baking of coil assembling vacuum impregnation (New EC grade Copper with insulation), etc. as reqd. |
| 4 | LV leg coil with insulation varnish and baking of coil assembling vacuum impregnation New EC grade Copper with insulation | LV leg coil with insulation, varnish & baking of coil assembling vacuum impregnation (New EC grade Copper with insulation), etc. as reqd. |
| 5 | Set of gaskets rubberized cork neoprene material and size is needed for HV and LV | Set of gaskets (rubberized), cork, neoprene material & size is needed for HV & LV etc. as reqd. |
| 6 | Breather dehydrator Silica gel type with fresh silica gel 01 kg | Breather dehydrator (Silica gel type with fresh silica gel 01 kg) |
| 7 | Fresh transformer oil of standard quality as per the ISI mark for main tank and OLTC | Fresh transformer oil of standard quality as per the ISI mark (for main tank & OLTC) |
| 8 | Double float Buchholz relay including all accessories | Double float Buchholz relay (including all accessories) |
| 9 | Air release valve including all accessories if required | Air release valve (including all accessories) (if required) |
| 10 | Magnetic oil gauge including all accessories if required | Magnetic oil gauge (including all accessories) (if required) |
| 11 | Radiator valve including all accessories if required | Radiator valve (including all accessories) (if required) |
| 12 | Reassembling of 3 15 MVA transformer Dyn 11 star Delta connected with proper size of copper strip | Reassembling of 3.15 MVA transformer Dyn-11 star-Delta connected with proper size of copper strip/wire with high class of paper insulation & the insulation between core & LV coil/leg, between LV & HV also, i/c connection, Interconnection etc. as reqd. |
| 13 | Replacement change of complete Gaskets rubberized cork neoprene material | Replacement/change of complete Gaskets (rubberized cork neoprene material) of the 3.15 MVA transformer, etc., as required, and Sundry items viz cover bolts, plug cap, screw, washer, insulation material, etc., with minor repairing of tank and other parts if any, check all the radiator valves, gate valves, any type of leakage that will be removed & denting & welding etc. (if req.) |
| 14 | The OLTC was completely repaired with the replacement | The OLTC was completely repaired with the replacement of the burned parts etc., as required, make CTR (If required). |
| 15 | Painting charges of transformer tank having hot oil resistant paint inside and synthetic enamel paint on transformer after cleaning of tank and complete painting outside etc as reqd. | Painting charges of transformer tank having hot oil resistant paint inside & synthetic enamel paint on transformer after cleaning of tank & complete painting outside, etc. as reqd. |
| 16 | Less the cost of old and burned transformer Oil plus old transformer Oil of OLTC | Less the cost of old and burned transformer Oil + old transformer Oil of OLTC (-) |
| 17 | Less the cost of old and dismantling insulated copper | Less the cost of old and dismantling insulated copper (-) |
