provision for installation of unit with supply of disinfection material at various rgf under rwss of sub division rohat with two year operation and maintenance .- 1 supply & fixing of electricity baseddosingpump, ceramic valve ball along with required gasket and featured with diaphram type motorized driven noise less pump available with a dosing capacity as below with the pressure range of 0-6 kg/cm2 as per the required dosing of disinfectant along with frp made, cylindrical / vertical, flat / conical bottom chemical storage tank made from standard quality frp material, including safty kit carry gas mask, hand gloves etc. for making solution.the dosing pump is volumetric for the capacities of water supply schemes along with installation material like pipes fitting & fixtures with electrical accessoriesof required size. 6 job (sixtanks, six pumps with all fitting and fixtures)2000 ltr tank with 0-25 lph dosing pump 2 chlorine dioxide (clo2) in powder form of 6000 ppm per ltr. as per din en 12671 the chlorine dioxide should be 100 % soluable in water and the chemical should have nsf/ansi 60 certification 3 operation & maintenance of dosing pump & labour performing operation of dosing assembly alongh with the dozing of the chemical, maintaining the dose and cheacking the residue for per plant per month 03 plants 4 rgfat rohat 3.90 mld & rgf at kanawas 0.90 mld 5 rgf at jetpur