Tamil Nadu Transmission Corporation Limited-TANTRANSCO has published Tender For Running Works Contract For Repairing & Reconditioning Of Sick Distribution Transformers Available At Cedc/Metro. Submission Date for this Tender is 27-03-2023. Coats and Jackets Tenders in coimbatore Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 16-Mar-2023 | Due date Extension | Date | 27-03-2023 |
| Sl. No. | Item Description |
| 1 | MATERIAL |
| 2 | Coils : |
| 3 | (I) H.V. Coils : |
| 4 | (i) D.P.C. Copper / Kg : |
| 5 | (a) 16/25/40 KVA : 11 / 22 KV |
| 6 | (b) 63/100 KVA : 11 / 22 KV |
| 7 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 8 | (d) 500 KVA : 11 / 22 KV |
| 9 | (ii) S.E.C. / Kg (Copper) : |
| 10 | (a) 16/25/40 KVA : 11 / 22 KV |
| 11 | (b) 63/100 KVA : 11 / 22 KV |
| 12 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 13 | (d) 500 KVA : 11 / 22 KV |
| 14 | (iii) D.P.C. Aluminium / Kg : |
| 15 | (a) 16/25/40 KVA : 11 / 22 KV |
| 16 | (b) 63/100 KVA : 11 / 22 KV |
| 17 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 18 | (d) 500 KVA : 11 / 22 KV |
| 19 | (iv) S.E.A. Aluminium / Kg : |
| 20 | (a) 16/25/40 KVA : 11 / 22 KV |
| 21 | (b) 63/100 KVA : 11 / 22 KV |
| 22 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 23 | (d) 500 KVA : 11 / 22 KV |
| 24 | ( II ) L.V.Coils : |
| 25 | (i) D.P.C. Copper / Kg.: |
| 26 | (a) 16/25/40 KVA : 11 / 22 KV |
| 27 | (b) 63/100 KVA : 11 / 22 KV |
| 28 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 29 | (d) 500 KVA : 11 / 22 KV |
| 30 | (ii) T.P.C. Copper / Kg.: |
| 31 | (a) 16/25/40 KVA : 11 / 22 KV |
| 32 | (b) 63/100 KVA : 11 / 22 KV |
| 33 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 34 | (d) 500 KVA : 11 / 22 KV |
| 35 | (iii) S.E.C. / Kg (Copper) : |
| 36 | (a) 16/25/40 KVA : 11 / 22 KV |
| 37 | (b) 63/100 KVA : 11 / 22 KV |
| 38 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 39 | (d) 500 KVA : 11 / 22 KV |
| 40 | (iv) D.P.C. Aluminium / Kg : |
| 41 | (a) 16/25/40 KVA : 11 / 22 KV |
| 42 | (b) 63/100 KVA : 11 / 22 KV |
| 43 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 44 | (d) 500 KVA : 11 / 22 KV |
| 45 | (v) S.E.A. Aluminium / Kg: |
| 46 | (a) 16/25/40 KVA : 11 / 22 KV |
| 47 | (b) 63/100 KVA : 11 / 22 KV |
| 48 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 49 | (d) 500 KVA : 11 / 22 KV |
| 50 | H.T.Bushing - IS 3347 / each of all capacities |
| 51 | (A) 11KV |
| 52 | (B) 22 KV |
| 53 | L.T. Bushing - IS 3347 / each |
| 54 | (a) 16/25/40 KVA : 11 / 22 KV |
| 55 | (b) 63/100 KVA : 11 / 22 KV |
| 56 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 57 | (d) 500 KVA : 11 / 22 KV |
| 58 | H.T. Rods (Brass )per / each : IS 3347 of all capacities |
| 59 | (A) 11KV |
| 60 | (B) 22 KV |
| 61 | L.T. Rods (Copper) per / each : IS 3347 |
| 62 | (a) 16/25/40 KVA : 11 / 22 KV |
| 63 | (b) 63/100 KVA : 11 / 22 KV |
| 64 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 65 | (d) 500 KVA : 11 / 22 KV |
| 66 | Breather with Silica gel |
| 67 | (a) 250 gm |
| 68 | (b) 500 gm |
| 69 | (c) 1000 gm |
| 70 | Tap Switch per each : |
| 71 | (a) 63/100 KVA : 11 KV |
| 72 | (b) 63/100 KVA : 22 KV |
| 73 | (c) 150/ 200/ 250 KVA : 11 KV |
| 74 | (d) 150/ 200/ 250 KVA : 22 KV |
| 75 | (e) 500 KVA : 11 KV |
| 76 | (f) 500 KVA : 22 KV |
| 77 | H.T. Bushing nut (Brass) of all capacities and ratings |
| 78 | L.T. Bushing nut ( Copper) per each |
| 79 | (a) 16/25/40 KVA : 11 / 22 KV |
| 80 | (b) 63/100 KVA : 11 / 22 KV |
| 81 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 82 | (d) 500 KVA : 11 / 22 KV |
| 83 | Silicagel per kg |
| 84 | Wheel valve of size per each Superior quality |
| 85 | 3/4 " |
| 86 | 1 " |
| 87 | 1.25 " |
| 88 | 1.5 " |
| 89 | New Transformer Oil per Litre: |
| 90 | CRGO Lamination per Kg.for all capacities and ratings : |
| 91 | Superior than CRGO Lamination per Kg.for all capacities and ratings |
| 92 | Supply of Guage Glass for all capacities and ratings : |
| 93 | Supply of Diaphram for all capacities and ratings : |
| 94 | Supply of Radiator tubes, fins per each : |
| 95 | Fins |
| 96 | (a) 16/25/40 KVA : 11 / 22 KV |
| 97 | (b) 63/100 KVA : 11 / 22 KV |
| 98 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 99 | (d) 500 KVA : 11 / 22 KV |
| 100 | Tubes |
| 101 | (a) 16/25/40 KVA : 11 / 22 KV |
| 102 | (b) 63/100 KVA : 11 / 22 KV |
| 103 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 104 | (d) 500 KVA : 11 / 22 KV |
| 105 | Supply of Inter Coil Insulation per limb for all capacities and ratings |
| 106 | Supply of Washers per each : |
| 107 | (a) 16/25/40 KVA : 11 / 22 KV |
| 108 | (b) 63/100 KVA : 11 / 22 KV |
| 109 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 110 | (d) 500 KVA : 11 / 22 KV |
| 111 | (i) Aluminium Paint or Grey Paint per Transformer: |
| 112 | (a) 16/25/40 KVA : 11 / 22 KV |
| 113 | (b) 63/100 KVA : 11 / 22 KV |
| 114 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 115 | (d) 500 KVA : 11 / 22 KV |
| 116 | (ii) Oil Resistance Paint per Transformer |
| 117 | (a) 16/25/40 KVA : 11 / 22 KV |
| 118 | (b) 63/100 KVA : 11 / 22 KV |
| 119 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 120 | (d) 500 KVA : 11 / 22 KV |
| 121 | Reinsulation of L.V. Coils per / Kg for all capacities and ratings (DPC) |
| 122 | Reinsulation of L.V. Coils per / Kg for all capacities and ratings (TPC) |
| 123 | Supply of Core clamp for all capacities and ratings |
| 124 | Supply of Gasket for tank cover / transformer: |
| 125 | (a) 16/25/40 KVA : 11 / 22 KV |
| 126 | (b) 63/100 KVA : 11 / 22 KV |
| 127 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 128 | (d) 500 KVA : 11 / 22 KV |
| 129 | LABOUR |
| 130 | Opening, lifting the core and re-examination: |
| 131 | (a) 16/25/40 KVA : 11 / 22 KV |
| 132 | (b) 63/100 KVA : 11 / 22 KV |
| 133 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 134 | (d) 500 KVA : 11 / 22 KV |
| 135 | (I) Positioning the core back after repairs and complete electrical connection and boxing up with top cover for repairable transformer: |
| 136 | (a) 16/25/40 KVA : 11 / 22 KV |
| 137 | (b) 63/100 KVA : 11 / 22 KV |
| 138 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 139 | (d) 500 KVA : 11 / 22 KV |
| 140 | (II) Positioning the core back after repairs and complete electrical connection and boxing up with top cover for irreparable transformer: |
| 141 | (a) 16/25/40 KVA : 11 / 22 KV |
| 142 | (b) 63/100 KVA : 11 / 22 KV |
| 143 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 144 | (d) 500 KVA : 11 / 22 KV |
| 145 | (III) Electrical Connection : |
| 146 | (i) For Star Connection: |
| 147 | (a) 16/25/40 KVA : 11 / 22 KV |
| 148 | (b) 63/100 KVA : 11 / 22 KV |
| 149 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 150 | (d) 500 KVA : 11 / 22 KV |
| 151 | (ii) For Delta Connection: |
| 152 | (a) 16/25/40 KVA : 11 / 22 KV |
| 153 | (b) 63/100 KVA : 11 / 22 KV |
| 154 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 155 | (d) 500 KVA : 11 / 22 KV |
| 156 | Replacement of each defective H.T. Bushing with its attendant works for all capacities and ratings: |
| 157 | Replacement of each defective LT. Bushing with its attendant works for all capacities and ratings: |
| 158 | Replacement of each defective H.T. Bushing Rods with its attendant works for all capacities and ratings: |
| 159 | Replacement of each defective L.T. Bushing Rods with its attendant works for all capacities and rating |
| 160 | (a) 16/25/40 KVA : 11 / 22 KV |
| 161 | (b) 63/100 KVA : 11 / 22 KV |
| 162 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 163 | (d) 500 KVA : 11 / 22 KV |
| 164 | Cleaning of Internal surfaces of tank tubes, conservator tank etc, and painting and make them fit for use (Excluding cost of paints) per transformer: |
| 165 | (a) 16/25/40 KVA : 11 / 22 KV |
| 166 | (b) 63/100 KVA : 11 / 22 KV |
| 167 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 168 | (d) 500 KVA : 11 / 22 KV |
| 169 | Cleaning, scratching the external surfaces of transformer and painting with good Aluminium Paint two coats (Excluding cost of paints) per transformer: |
| 170 | (a) 16/25/40 KVA : 11 / 22 KV |
| 171 | (b) 63/100 KVA : 11 / 22 KV |
| 172 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 173 | (d) 500 KVA : 11 / 22 KV |
| 174 | Charges for hot oil circulation after filling (per litre) for all capacities and ratings |
| 175 | Drying out of the repaired core after assembly of the Coils |
| 176 | (a) 16/25/40 KVA : 11 / 22 KV |
| 177 | (b) 63/100 KVA : 11 / 22 KV |
| 178 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 179 | (d) 500 KVA : 11 / 22 KV |
| 180 | Conducting of routine test in the repair units per transformer |
| 181 | (a) 16/25/40 KVA : 11 / 22 KV |
| 182 | (b) 63/100 KVA : 11 / 22 KV |
| 183 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 184 | (d) 500 KVA : 11 / 22 KV |
| 185 | Replacement of Coils : |
| 186 | (i) Removal of failed H.T.Coil with the attendant works per / Coil |
| 187 | (a) 16/25/40 KVA : 11 / 22 KV |
| 188 | (b) 63/100 KVA : 11 / 22 KV |
| 189 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 190 | (d) 500 KVA : 11 / 22 KV |
| 191 | (ii) Removal of failed L.T.Coil with the attendant works per / Coil |
| 192 | (a) 16/25/40 KVA : 11 / 22 KV |
| 193 | (b) 63/100 KVA : 11 / 22 KV |
| 194 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 195 | (d) 500 KVA : 11 / 22 KV |
| 196 | Welding per / Cm : |
| 197 | (a) 16/25/40 KVA : 11 / 22 KV |
| 198 | (b) 63/100 KVA : 11 / 22 KV |
| 199 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 200 | (d) 500 KVA : 11 / 22 KV |
| 201 | Breather fixing each for all capacities and ratings |
| 202 | Removal and repairing and refixing the tap switch with all attendant works : |
| 203 | (a) 63/100 KVA : 11 / 22 KV |
| 204 | (b) 150/ 200/ 250 KVA : 11 / 22 KV |
| 205 | (c) 500 KVA : 11 / 22 KV |
| 206 | Replacement of silicagel for all capacities and ratings |
| 207 | Replacement of diaphram for explosion vent for all capacities and ratings |
| 208 | Replacement of Cast Iron Wheel Valves for all capacities and ratings |
| 209 | Replacement of Radiator Tubes, Fins : |
| 210 | (a) 16/25/40 KVA : 11 / 22 KV |
| 211 | (b) 63/100 KVA : 11 / 22 KV |
| 212 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 213 | (d) 500 KVA : 11 / 22 KV |
| 214 | Replacement of damaged lamination to Yoke: |
| 215 | (a) 16/25/40 KVA : 11 / 22 KV |
| 216 | (b) 63/100 KVA : 11 / 22 KV |
| 217 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 218 | (d) 500 KVA : 11 / 22 KV |
| 219 | Replacement of core clamp per / each : |
| 220 | (a) 16/25/40 KVA : 11 / 22 KV |
| 221 | (b) 63/100 KVA : 11 / 22 KV |
| 222 | (c) 150/ 200/ 250 KVA : 11 / 22 KV |
| 223 | (d) 500 KVA : 11 / 22 KV |
| 224 | Replacement of Oil guage glass with gasket for all capacities and ratings |
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