estimate for bifurcation of layra pump feeder in to layra pump and pirotha pump feeder under kurwai dc of o n m division ganjbasoda- 1 11 kv polymer pin insulators 2 11 kv composite polymer disc insulators 3 back filling of poles with boulders. 4 earthing for pcc pole 4.00 mm-8 swg g.i. wire-0.8 kg. per pole 5 concreting of pcc poles @ 0.45 cmt per pole 6 concreting of stay ( 16mm / 12 mm ) @ 0.2 cmt. per stay 7 earthing coil of 115 turns of 50 mm dia and 2.5 mtr. lead of 4.0 mm g.i. wire 8 m.s. nuts & bolts 9 stone block / pre cast block for base pedding 450x450x75mm. 10 ms strain plate 65x8mm 250mm long 11 stay set 16 mm.complete without stay wire ( painted ) 12 stay insulators 90x65 mm 13 red oxide paint 14 aluminium paint 15 anti climbing device ( barbed wire ) gs 2.24 mm. dia ( 14 swg ) 16 danger boards enamelled 11 kv 17 gst on material @ 18 % 18 labour charges including gst @ 18 % 19 transportation charges including gst @ 5 %