Operation and Maintenance of Civil and Electromechanical assets such as elevated service reservoirs ( E. S. R ), HGLR, sump, pump house, Rising and distribution pipelines, valves, pumping machinery & electrical equipment etc. for the Dharasana Regional water supply scheme, including supply of potable water to all the hamlets/ 05 villages/ 00 towns for 12 months period. Taluka: Valsad District: Valsad based on 4 Nos Tube well.