Design, engineering, manufacturing, testing before dispatch, loading, supply for destination including transportation, civil & construction works, erection, testing and commissioning of the following on LS basis. 1. Dismantling of badly rusted towers and erection of new towers at Loc Nos. 3, 4, 7, 8, 9 and 10 and replacement of twin moose Conductor with Twin Al 59 Conductor in 400kV Kalapaka - STPP 3 and 4 TMDC line (3.655Km). 2. Dismantling of badly rusted towers and erection of new towers at Loc Nos. 7 and 8 in 400kV Kalapaka - STPP -2, Vemagiri TMDC line. (Wind Zone-5)