estimate for installation of 1x25 kva sub station for ndf nsc 10 kw connection at vill galfakhedi under kurwai dc. in o&m dn ganj basoda- 1 back filling of poles with boulders.1 2 bi-metallic clamps suitable for 12mm dia stud and 80sqmm aaac 3 bimetalic clamp distribution transformers bushing 4 11 kv ab switch polymer type 400 amp with complete fitting 5 11 kv polymer lightening arrestor gapless type 6 11 kv d.o. fuse unit polymer type 7 three phase static energy meters 20-80 amps. with l.s. & tod facility with box 8 meter cum protection box for 25 kva dtr 9 g.i. wires 5.0 mm. ( 6 swg ) 10 g.i. wires 4.0 mm. ( 8 swg ) 1 11 anti climbing device ( barbed wire ) gs 2.24 mm dia ( 14 swg ) 12 stay wire 7 / 3.15 mm. ( 7 / 10 swg ) 13 g.i.pipe 40 mm dia c grade type 14 earthing coil of 115 turns of 50 mm.dia and 2.5 mtr lead of 4.0 mm g.i wire 15 galvanized nut & bolt with washer 16 m.s.nuts and bolts 17 11 kv strain hardware ( t&c type ) fittings 18 jointing sleeves suitable for rabbit ( 55 sq.mm. al. eq. ) aaac conductor 19 aluminium binding wire and tape 20 11 kv v cross arm 65x65x6 mm. angle type 21 h.beam back clamps 65x8mm flat ( in numbers ) 22 back clamp for 140 kg pcc pole ms flat 50x6 mm 23 11 kv top clamp 65x65x6 mm. angle type 24 clamp for 140 kg pcc pole ms flat 50x6 mm 25 d.c. cross-arms 8 channel ( 100x50x6mm ) 26 transformer mounting channel ( 100x50x6 mm. ) 27 transformer belting set 50x50x6 mm angle with two cross fixing channel 28 d.o.mounting channel 75x40x6 mm 29 stay set complete without stay wire 16 mm. ( painted ) 30 h.beam clamps 65x8mm flat 31 i. bolts 16 mm 32 11 kv guarding channel 75x40x6 mm 33 danger boards enamelled 11 kv 34 stay insulators 90x65mm 35 11 kv polymer pin insulator 36 11 kv composite polymer disc insulators 37 red oxide paint 38 aluminium paint 39 concreting of stay ( 16 mm / 12 mm ) @ 0.2 cmt. per stay 40 concreting of pcc poles @ 0.45 cmt. ( cubic metric ton ) per pole 41 dtr s / s fencing ( 31 feet ) of 5 barbet fencing on pcc support of 7no, 6 height 42 double gate ( 2no-2.5x5x ) set of ms angle ( 25x25x4mm ) with mesh & locking 43 stone block / pre cast block for base pedding ( 450x450x75mm ) 44 bentonite compound powder 45 gst on material @ 18 % 46 labour charges including gst @ 18 % 47 transportation charges including gst @ 5 %