tender for civil work - imp /dev of drainage system-by providing steel cross in ward no.236 in ac-67 (babarpur) shah. (n) zone, dsr dar civil-2018 and approved items; 1 repair and maintenance 2 2.30.1:excavating holes more than 0.10 cum & upto0.50 cum including getting out the excavated soil, then returning the soil as required in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering etc, disposing of surplus excavated soil; as directed within a lead of 50 m and lift up to 1.5 m.all kinds of soil 3 10.25.2:steel work welded in built up sections/framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required.in gratings, frames, guard bar, ladder, railings, brackets, gates and similar works 4 4.1.3a:providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - all work up to plinth level:1:2:4 (1 cement : 2 coarse sand (zone-iii) including manufactured sand derived from recycled concrete aggregate (rca) upto 25% : 4 graded stone aggregate 20 mm nominal size recycled concrete aggregate (rca) upto 25%)