annual maintenance and repair to panhera 5 villages rural pipe water supply scheme tq. malkapur.=1 establishment 2 providing & employing staff including pump operators,filter operators,site supervisor,valvemen for distribution of water to esr of 15 villages including the maintenance of jackwell, wtp, sump, filters, overhead tank, r/w rising main excluding rectification of leakages etc.(rate as per annexure -1)rs. 1667320 hence 1667320/12=138943.33 per month 3 rectification of leakages in pipelines of various dia. including necessary excavation,providing & supplying pipes,lowering,laying & jonintig pipes,refilling the trenches etc.complete. (as per detailed in subwork no.2)rs. 1180675 hence 1180675/12=98389.58 per month 4 providing & suppling bleaching powder grade-1 isi mark etc.complete.as per chemical demand,2210kg/12=184 kg/month 5 providing & suppling alum as per isi specification etc.complete.as per chemical demand, 10.199 mt./12= 0.85 mt./month