extension, dismantling, repairing of 6.6 kv d / l feeder top, , middle, lowerbatch power supply dm-3 / 521, 522 drill m / c. 501 ekg 493 c patch jocp mine, b ) extension, dismantling, b.d. repairing of 440v / 220 v lt / o / h line lighting for haul road ob dump coal , jocp of abocp mine- 1 for 6.6 kv d / l feeder 2 erection of pipe pole. 3 re-erection of pipe pole. 4 transportation of pole. 5 erection of iron materials. 6 supply and erection of iron marterials, nut, bolt clamp etc. 7 erection of disc insulator. 8 erection of pin insulator. 9 supply and erection of pin insulator. 10 construction of earth pit. 11 supply and erection of craddle guard. 12 supply and erection of earth wire. 13 supply and erection of stay set. 14 transportation, laying, hanging on armoured cable. 15 jumphering of cable lead. 16 drawing opf acsr dog conductort with jumphering. 17 dismantling of rail pole. 18 dismantling of pipe pole. 19 transportation of pole. 20 dismantling of iron materials. 21 dismantling of pin insulator. 22 dismantling of disc insulator. 23 dismantling and transportation of armoured cable. 24 disconnection of cable. 25 dismantling of acsr dog conductor. 26 440v / 220v l.t.o / h line. 27 erection of pipe pole. 28 re-erection of pipe pole. 29 transportationof pole. 30 erection of iron materials. 31 supply and erection of iron marterials, nut, bolt clamp etc. 32 supply and erection of stay set. 33 erection of shackle / pin insulator. 34 supply and erection of shackle / pin insulator. 35 fitting of sv lamp sets. 36 supply and erection of craddle guard. 37 drawing of acsr rabbit conductor with jumphering. 38 dismantling of iron materials. 39 dismantling of sv lamp sets. 40 dismantling of acsr rabbit conductor with disc connection o / h line jumpher. 41 total impact of gst for the purpose of ctc