laying of d . i . pipe line and sw pipe sewerdetail project report for providing water supply and sewerage network in newly approved colonies at taraori town , supplying and fixing isi marked di specials socketed / flanged i . e . tee , bend etc . with nut bolts , rubber packing / rubber rings complete in all respect , supplying , laying , jointing using heat fusion / electro fusion , cutting and testing of dn 315mm grade pe 100 pn 6 with wall thickness maximum 19 . 9 mm & minimum 17 . 9 mm h . d . p . e . pipe ( isi marked ) for sewer at an average depth 4 . 00 mtr . 5 . 00 mtr . & ancillary works by trench-less technology including civil and structural work required for laying in position as per given specifications , all items of work i . e . soil investigation and excavation all works in or under water / liquid mud as required , dewatering of sub soil water road cutting necessary barricading , including of flickering lights etc . disposal of surplus earth as per direction of engineer-in-charge , submission of 3 sets of completion of drawing showing completion of alignment / level completion of alignment / level of the work etc . required for the successful completion of the work on turn key basis as per is code 14333-1996 as amended upto date . , construction of rcc manhole chameber for inlet & out let ( thrust pit ) of suitable size including excavation foundation concrete 1:4:8 brick work in 1:5 cement sand mortar , rcc slab 1:1 . 1 / 2:3 plaster 1:2 and making benching in cement concrete 1:2:4 etc . with providing and fixing of sfrc ( ehd-35 ) manhole cover and frames including steps as per phed standard design complete in all respects including cost of dewatering of sub soil water . ( a ) for 315mm o / d hdpe pipe sewer . , providing & fixing tee 100 mm i / d heavy duty