supplying & laying of hdpe pipe [110mm od length 858 mtr (approx), 200mm od length 82 mtr (approx)] (pipe conforming to is 4984-2016, material grade pe-80, np-6) by trenchless method (hdd) including labour charge for earthwork in excavation in normal soil including road subgrade but excluding moorum laterite or sand tone/hard rock, minimum 1.50m earth cushion from top of the pipe upto gl including loading unloading carrying lowering laying fitting fixing connections carefully of pipes, valves, valve chambers & ms pipes with all types of jointing materials maintaining proper levels and alignment jointing the pipe and ms specials by butt welding/adopting suitable method hydraulic testing of pipeline of head not less than 6kg/cm2, disinfection of pipeline & all necessary connections with existing old or newly laid pipeline with ms/di/hdpe as per site conditions in all respect for water supply scheme at patul mouza within seakhala gram panchayet under furfura sharif development authority.