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| 1 | LABOUR & MATERIAL CHARGES (EXCLUDING COPPER MATERIAL): |
| 2 | To & fro transportation of Transformer with accessories including Insurance, loading/unloading between Undertaking site and contractor’s site |
| 3 | Removing top plate, disconnecting OLTC gear, Conservator and Buchholz Relay etc and taking out, putting back core coil assembly in original position for inspection |
| 4 | Dismantling of HV windings |
| 5 | Dismantling of LV windings |
| 6 | Dismantling of the core assembly |
| 7 | Cleaning and painting of transformer tank from inside and outside as per specification |
| 8 | Cleaning and painting of conservator tank from inside and outside as per specification |
| 9 | Replacement of the damaged / defective core laminations |
| 10 | Reconditioning of the damaged / defective core laminations |
| 11 | Replacement of core bolts with insulation |
| 12 | Replacement of only insulation of the core bolts |
| 13 | Reassembly of the core |
| 14 | Replacement of HV winding by using new conductor and insulation (labour charges only) |
| 15 | Replacement of LV winding by using new conductor and insulation (labour charges only) |
| 16 | Overhauling and repairs of ON LOAD TAP CHANGER, OLTC mechanism overhauling. The OLTC shall be made mechanically and electrically through |
| 17 | Dehydration of the assembled core and windings in an oven under vacuum |
| 18 | Assembly of accessories such as conservator tank, HV and LV bushings, radiators, associated pipings etc for carrying out final testing at the works. |
| 19 | Cost of new transformer oil to be replaced |
| 20 | Routine/acceptance tests as per IS 2026-1977 and as per Annexure-VII |
| 21 | Heat Run test |
| 22 | Replacement of all gaskets |
| 23 | Copper Material Charges (HV & LV winding with Leads): |
| 24 | HV winding |
| 25 | LV winding |
| 26 | HV leads |
| 27 | LV leads |
| 28 | Tap winding leads |
| 29 | Credit Part: |
| 30 | Credit for Copper parts |
| 31 | Credit for existing Transformer Oil, if it is replaced by new |
| 32 | Credit for replaced M. S. Hardware |
| 33 | Credit for replaced Brass components/accessories |
| 34 | Other items which may required to be replaced: |
| 35 | Complete OLTC |
| 36 | Oil level gauge |
| 37 | Radiator valves |
| 38 | Filter valve 50mm |
| 39 | Filter valve 80mm |
| 40 | Filter valve 100mm |
| 41 | Drain valve 50mm |
| 42 | Drain valve 80mm |
| 43 | Drain valve 100mm |
| 44 | Sampling valves |
| 45 | Conservator valves |
| 46 | Bi-directional flanged rollers |
| 47 | Buchholz relay for main tank |
| 48 | Winding temperature indicator |
| 49 | Oil temperature indicator |
| 50 | OSR for OLTC |
| 51 | Magnetic oil level gauge |
| 52 | Breather for Main tank |
| 53 | Breather for OLTC tank |
| 54 | Radiators- Repairing/testing |
| 55 | Pressure Relief Valve |
| 56 | Marshalling box - Fabrication, wiring & electrical components |
| 57 | Any other item such as OLTC parts etc. which are not mentioned above: |
| 58 | Head Cover O Ring |
| 59 | Air release washer |
| 60 | Lock Sheet for DFCA |
| 61 | Arc Chute |
| 62 | M DFCA Shell Fixing Material |
| 63 | Arching Chutes (12 Nos.) |
| 64 | Flexible BRAID W Fixing Material (500A) |
| 65 | M Counter Piece Assly. (12 Nos.) |
| 66 | Diverter Fixed contact with fixing materials |
| 67 | Diverter Moving contact with fixing materials |
| 68 | O Ring-480 X 492 X 6-Viton Head Cover |
| 69 | O Ring-448 X 460 X 6-Viton for Top & Bt. FLA |
| 70 | Gasket for Cap Nut for Nipple & TCHA |
| 71 | Gasket for Cap Air Rel.Screw Nipple |
| 72 | O Ring - 15.3 X 2.4 - Viton |
| 73 | O Ring-20X 2.5 - Viton - DIN 3771 |
| 74 | O Ring - 62.2 X 5.7 - Viton |
| 75 | O Ring 16.5 mm |
| 76 | Dova Contact O Rings |
| 77 | Transition Resistance unit assembly for 3 Phase |
| 78 | Coupling Shaft Assembly |
| 79 | View Glass with fixing materials |
| 80 | Nylon Gear Assembly |
| 81 | Diverter switch centre shaft with cam |
| 82 | Dova contacts with fixing materials |
| 83 | Snap Action Switch |
| 84 | B9 switch |
| 85 | B8 switch |
| 86 | MA2 TPI Assembly |
| 87 | Motor for MA2 Drive mechanism |
| 88 | Door Gasket |
| 89 | Local remote switch |
| 90 | Limit switch raise |
| 91 | Limit switch lower |
| 92 | Terminal Block 6 sqmm |
| 93 | Mechnical counter |
| 94 | M.S.Handle (For Manual Operation) |
| 95 | H.V. Bushing |
| 96 | L.V. Bushing |
| 97 | FRLS Control cable 2.5 sqmm, 2C |
| 98 | FRLS Control cable 2.5 sqmm, 4C |
| 99 | M.S. Fasteners / Hardware |
| 100 | Installation, Commissioning/Retrofitment Charges: |
| 101 | Installation, Re-termination, Commissioning & Testing of Transformer at 33kV, Parel RSS |
| 102 | Nitrogen Injection Fire Protection System: |
| 103 | Supply of NIFP System |
| 104 | Retrofitting, Installation, Commissioning & On-site Testing of NIFP System |
