Estimate for erection of one number NBT D type 66KV 3(58B) extension D/C DAM - Hampi I & II feeders under Self Execution Scheme by the TB Board, TB Dam for getting the adequate/Maintain the required vertical & horizontal clearances between tower location Nos. 58 & 59 for diverting the regular traffic on newly constructed bridge Left side near HLC canal chainage 007 plus 690 where the canal is crossing the Hospet to Ballari NH-63 Highway road.