chlorination work with o and m of existing chlorine plants including installation of new plant for different regional water supply scheme based on dharoi dam of mehsana /patan/banaskantha districts to obtain 0.20 ppm residual chlorine at user end including cost of new chlorination plant,chlorine gas,bleaching powder,other materials,t and p, equipments and man power etc complete for one years (12 months) period. (second time) .
