bids are invited for soil excavation with pit size 4inch x 2inch x 4inch , pits filled with m20 grade 1ratio 2 ratio 4 ratio concrete , ms pipe 4inch x 4inch square pipe thickness 5 mm length 20 ft standing above ground level 16 ft and at 4 ft depth gross wt 900 kg , ms plate for load distribution and support for pipe 8inch x 8 inch thickness 5 mm gross wt 20 kg , span for iron scissor truss structure support pipe 2inch x 2inch size 35 ft width 2 ft tapering to 1 ft for slope thickness 5 mm gross wt 750 kg , iron structure vertical support square pipe 2inch x 2inch thickness 5 mm length 20 ft gross wt 600 kg , iron structure horizontal support square pipe 2inch x 2inch thickness 5 mm length 20 ft gross wt 600 kg , laminated sheet iron iso 9001 approved thickness 4 mm rust free approx area 1800 sqft 3point5 inch x 18inch ft , pvc pipe for water drainage 4 inch dia length 10 ft , pvc pipe for water drainage 6 inch dia length 10 ft , levelling and concrete bed flooring for complete extn area 1000 sqft m20 grade 1ratio 2 ratio 4 ratio20 x 50 ft - levelling and concrete bed flooring for complete extn area 1000 sqft m20 grade 1ratio 2 ratio 4 ratio 20 x 50 ft , tiling for complete extn area 20 x 50 ft 1000 sqft glazed vitri fied tiles 2inch x 4inch ft , labour cost for installation and commissioning of complete project total quantity : 256