work for laying underground hdpe pvc pipe line 8 inch from various field point to drain for dewatering field water for village samaspur in district ch . dadri for the year . 2021 22 . , earth work in excavation in foundation , trenches etc in all kinds of soils , not exceeding 2 meter depth including dressing of bottom and sides of trenches stacking the excavated soil , clear firm felling around masonry in 15 cm layers with compaction including disposal of all surplus soil as directed within a lead of 30 meters ( hsr item 6 . 6 ) , providing , lowering , laying , aligning , fixing in position and joining at all new jointing at all level/depths isi marked hdpe pipe of pe-100 grade and pn-6 for sewer , application as per isi 14333-1996 ( amended upto date ) in trenches in complete including cost of hdpe specials , labour , sectional hydro testing ( including the cost and conveyance of water to site for testing ) including carriage loading & unloading stacking handling and commissioning as per technical specifications and as per direction of engineer . as per hsr item no . 21 . 98 . 1:- 200 mm outside dia .