supplying, laying of 9 nos zone distribution system including specials, valves & pipe carrying structure, providing fhtc including supplying, laying, fitting, fixing of 15mm nb pvc ( schedule 80 ) / 20mm od hdpe ( pe100, pn16 ) pipe with all necessary specials, 10 mm gun metal ferrule ( dept. supply ) , saddle piece etc. all complete, construction of 9 nos. various capacities of 20 mtr. staging height rcc over head reservoir including pile foundation, pipe connection and cost of pipes, specials., soil investigation for the work of construction of ohr, construction of switch room cum chlorine room including chlorination & sanitary arrangement, boundary wall, service road for 50 m length, improvement of land for each site, renovation of 4 nos. existing ohrs. surface drain, campus lighting & other provisional works etc for pingla block on epc turnkey basis in a single package as per detail scope of work / direction of the e-i-c including 6 ( six ) months trial run and operation & maintenance for 5 ( five ) years for surface water based piped water supply scheme for pingla block, districtpaschim & purba medinipur under western circle, phe dte. ( phase-i )