works contract for execution of various works in eraviputhoorkadai section under kuzhithurai division--excavation of pole pits for pole upto 8.00m length by using jcb/manual , loading or unloading of various sizes of poles rec, rcc, psc pole upto 8.00 m length , transportation of all types and sizes of poles and other associated materials from road side to pole pit and vice versa upto 0.50 km , erection of rcc, rec, psc poles up to 18.00m length by using crane / manual fixing of lt s phase cross arm , fixing of 3phase cross arm , fixing of tapping channel x arm , fixing of lt pin insulator , fixing of lt shackle insulator , fixing of ht pin insulator with pin 11 kv fixing of aluminium knob