tender for a)lighting line installation for haul road in dbocp coal mines , earthing with g.i. earth pipe 4.5 meter long , providing and fixing 25 mm x 5 mm g.i. strip in 40 mm dia g.i. pipe from earth electrode including connection with g.i. nut, bolt, spring, washer excavation and re-filling etc. as required. , laying of cable up to 120 sq. mm. , erection of steel tubular pole. , supplying and erection of stay set. , supply & erection of suckle insulator , erection of all aluminium conductor of 7/1.96 mm to 7/3.10 mm diameter including binding etc. as required , erection of g.i. wire no. 6 swg including binding etc. as required , supply of 6 swg g.i. wire , dismantling of existing pole. , dismantling of overhead lines comprising of copper / aluminum overhead conductor, g./ wire, cross arms, insulators etc. as required. , supply and erection of pin insulator. , supply and erection of disc insulator. , supplying and erection of three-piece nonlinear resistor type lightning arrestor. , straight through heat shrinkable cable jointing kit with ferrules. , supply & erection of m.s.bracket, cross member, clamp, materials drilling hole of required size etc as required. , supply & fitting of 4 x 16 sq. mm + 2 x 16 sq. mm earth wire. , b)reconstruction of the 440v lighting line at laikdih and dismantling of old damaged lighting line at jamdehi basti and erection and installation of gi wire at eco park. (job for reconstruction of the 440v lighting line at laikdih) , erection of steel tubular pole , erection of all aluminium conductor of 7/1.96 mm to 7/3.10 mm diameter including binding etc. as required , dismantling of overhead lines comprising of copper / aluminum overhead conductor, g.i wire, cross arms, insulators etc. as required. , supply & erection of m.s.bracket, cross member, clamp, materials drilling hole of required size etc as required. , b)reconstruction of the 440v lighting line at laikdih and dismantling of old damaged lighting line at jamdehi basti and erectio