design and construction of retrofitting preparation of piped water supply scheme under jal jeevan mission at village:- konthar kalan block -porsa, distt. morena ( m.p. ) based on tube wells including installation of electric submersible / centrifugal water motor pump, construction of 50 klr.c.c sump well cum pump house, construction of 175 kl ohtcapacity with 12 mtr.staging, , laying & jointing of rising main and distribution pipe line system, household tap connections, and electric power connections at tube wells and sump wellincluding cost of all material & labour with 90 days trial run / commissioning period.