|
| 1 | Handling and Dragging of damaged Transformer from stacking yard to repairing hall with accessories |
| 2 | 160 KVA |
| 3 | 250 KVA |
| 4 | 400 KVA |
| 5 | Cutting/Opening of top cover plates & fittings of the transformers, draining of its oil & Detanking of core & coil Assembly. |
| 6 | 160 KVA |
| 7 | 250 KVA |
| 8 | 400 KVA |
| 9 | Dismantling of core & coil Assembly and cleaning of core and tank (inside) by using warm old oil and hot air making it dirt free/sludge free. |
| 10 | 160 KVA |
| 11 | 250 KVA |
| 12 | 400 KVA |
| 13 | Reconditioning of L.V leg coils strips including removing of old double paper covering and cleaning of strip than providing double paper covering |
| 14 | 160 KVA |
| 15 | 250 KVA |
| 16 | 400 KVA |
| 17 | Making of L.V leg coils from reconditioned strips/new DPC strips, of same size and No. of turns and dimensions as old one. |
| 18 | 160 KVA |
| 19 | 250 KVA |
| 20 | 400 KVA |
| 21 | Reconditioning of old damaged H.V. leg coils wire by removing old Double paper covering, cleaning of wire and providing new DPC insulation etc. |
| 22 | 160 KVA |
| 23 | 250 KVA |
| 24 | 400 KVA |
| 25 | Making of H.V leg coils from reconditioned/new DPC wire of same size No. of turns and dimensions as old one. |
| 26 | 160 KVA |
| 27 | 250 KVA |
| 28 | 400 KVA |
| 29 | Assembly of core, channel (dully painted by zinc chromatic paint)& coil and fitting of other parts requiring replacements such as press board making supports between adjacent section by insulating spacers & tapping etc. |
| 30 | 160 KVA |
| 31 | 250 KVA |
| 32 | 400 KVA |
| 33 | Shifting and keeping the assembled core & coil etc. in OVEN from the repairing area |
| 34 | 160 KVA |
| 35 | 250 KVA |
| 36 | 400 KVA |
| 37 | Dragging of transformer tank to washing area and cleaning of rust/dirt etc from outer surface by using caustic soda & water solution. |
| 38 | 160 KVA |
| 39 | 250 KVA |
| 40 | 400 KVA |
| 41 | Repairing of damaged T/F body/radiator by electric/gas welding complete in all respect for arresting oil leakage. |
| 42 | 160 KVA |
| 43 | 250 KVA |
| 44 | 400 KVA |
| 45 | Completely drying & Cleaning of T/F tank (inside and outside) by using hot air/cotton waste/sand paper etc completely and making it ready for painting |
| 46 | 160 KVA |
| 47 | 250 KVA |
| 48 | 400 KVA |
| 49 | Painting of inner side of T/F tank with heatproof zinc chromatic paints in two coats after providing primer of red oxide paint. |
| 50 | 160 KVA |
| 51 | 250 KVA |
| 52 | 400 KVA |
| 53 | Dragging/shifting out empty tank after painting to assembly area. |
| 54 | 160 KVA |
| 55 | 250 KVA |
| 56 | 400 KVA |
| 57 | Taking out core and coils assembly from the OVEN and shifting to repairing area & again tightening the assembly. |
| 58 | 160 KVA |
| 59 | 250 KVA |
| 60 | 400 KVA |
| 61 | Tightening/Welding the top cover after tanking of core and coil assembly into tank and tightening of assembly into the tank and fitting all accessories of transformer and filling of oil. |
| 62 | 160 KVA |
| 63 | 250 KVA |
| 64 | 400 KVA |
| 65 | Spray painting of transformer tank from outside with supper enamel synthetic Grey paint in two coats after providing primer of red oxide paint. |
| 66 | 160 KVA |
| 67 | 250 KVA |
| 68 | 400 KVA |
| 69 | Dragging/shifting of repaired T/F near to the test cabin/testing place and dragging /shifting T/F to yard after testing and its stacking at identified place. |
| 70 | 160 KVA |
| 71 | 250 KVA |
| 72 | 400 KVA |
| 73 | Punching and welding of M.S. plate of 100x50x3mm size on the outside of T/F containing following information. (I) Job number, (II) Capacity (III) Name of workshop (IV) Date of repair |
| 74 | 160 KVA |
| 75 | 250 KVA |
| 76 | 400 KVA |
