retrofitting work of piped water supply scheme atvillage - bandarkha sadak, mubarakpur, chandpur, khejradev, jhirniya, jhapadiya, jhagriya khurd, padriyajaat, babadiyakhurd, semrikhurd block- phanda distt. bhopal based on tube wells including installation of electric submersible open well submersible water motor pump, construction ofr.c.c. oht construction of r.c.c sump well laying and jointing of rising main and distribution pipe line system household tap connections construction of pump house and electric power connections at tube wells and sump wellincluding cost of all material and labour with 90 days trial run commissioning period.