bids are invited for custom bid for services - insulator replacement, dead end replacement rectification of sd nature defects in 400kv baripada-duburi-pandiabili line, 400kv m/c mendhasal pandiabili, 400kv baripada-keonjhar-kharagpur lilo line under cuttack, bhadrak .. - replacement of existing deccan/decosil make 160kn clr insulator with new clr insulator in 400kv tension towers , replacement of dead end & jumper cone in 400kv double ckt tower. , replacement of dead end & jumper cone in 400kv multi-circuit tower , replacement of defective hanger & channel with bolt (ismc-150 x 75) in 400kv suspension tower. , replacement of defective suspension hanger & channel with bolt & broken glass insulator strings in 400kv suspension tower (the no. of damaged disc glass insulator will be replaced by new disc glass insulator -max-3 nos. , gang mobilisation charge , idle charge for gang