Erection of Electrical Pole for Mesh Earthing with Lightning Arrestor Shielding of Weigh bridge and Lightning Arrestor for Boom Barrier and Its allied work installed at different collieries of Hasdeo Area.

Erection of metallic pole of following length in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size) foundation including excavation and refilling etc. as required. Above 10.00 metre and upto 12.00 metre

Supplying and erection of stay set complete (galvanised) with 19/20 mm dia X 1.8 metres long stay rod, anchor plate of size 45 cm X 45 cm X 7.5 mm, thimble, stay clamps, turn buckle ( 20 mm X 60 cm ), 7/ 3.15 mm dia G.I. stay wire and strain insulator etc in cement concrete 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 40 mm nominal size ) foundation including excavation and refilling etc. as required.

Erection of ACSR conductor of 7/3.35mm to 7/4.00 diameter and above including binding etc. as required (20MtrsX06X7Nos.)=840Mtrs =Rabbit ACSR Consuctor 214 KG/KM X0.84 KM

Supply and errectionof approved make safe earthing electrode consisting pipe-in -pipe technology as per IS 3043-1987 made of corrosion free G.I.pipes with constant ohmic value surrounded by highly conductive compound with high charges dissipation suitable for effective and maintenance free earthing in earth pit of minimum bore dia 150 mm size with 3 metre G.I. pipes having outer pipe dia of 50mm having 80-200 micron galvanizing, Inner pipe dia. of 25mm having 200-250 Micron galvanizing, connection terminal dia. of 12mm in nominal soil with50 kg (two bag) back filling bentonite compound UL listed and confirm to relevantInternational/Indian standards around electrode upto ground level

Supply and laying 25mm X 5mm G.I. strip at 0.5 metre below ground level as strip earth electrode including jointing etc. as required (18MeterX04Nos.X07 of Weigh Bridge )& 12 Nos X18Meter=216 Meter

Providing and fixing of lightning conductor finial made of 18mm dia 500mm long bright nickel plated copper tube tapered having singleprong at top with bright nickel plated brass base M10 for connection and intersection of flat or round conductor including holes, clamp complete as required. (18mm dia 500mm long bright nickel copper Tube )

Total impact of GST for the purpose of CTC