estimate for special repairing of 07 nos gates of carrier link channel near haiderpur delhi.-- 1 clamp 2 -m.s. railing pipe 30 mm dia 3 -m.s. sheet 2 mm for drum cover 4 -platform plate 8 mm 5 -rented generator 6 -repairing of winch hoist machine assy with shaft,coupling, plummer block rope drum and centering pully etc. 7 5. steel wire rope 25mm 8 90 mm dia ka g.s. pipe cover 3 mtr long 9 aligment of lead screw machine shaft. 10 chain pully block team for holding the gate 11 cleaning of structure, primer and painting 2 coatswith smoke grey paint 12 complete cleaning, oiling, greasing of hoist systemof all gates. including all cost of material, labor, scaffolding,tandp and safety equipment etc. 13 credit of scrap of old and damaged gates 14 distance of lead screw machine shaft. 15 hire charges of hydra 16 labour for removing earth 17 nut bults 10x60 mm 18 nut bults 10x70 mm 19 roller wheel assy as per sample. 20 supply and replacement plumber blocks (s-517 ands-s 10) with bearing of end drive unit. including all cost ofmaterial, labor, scaffolding, tandp and safety equipment etc.