tender for annual maintenance and repair to datala 15 villages rrws 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. 4198230 hence 4198230/12=349852.50 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. 1004744 hence 1004744/12=83728.67 per month 4 providing & suppling bleaching powder grade-1 isi mark etc.complete.as per chemical demand,6180kg/12=515kg/month 5 providing & suppling alum as per isi specification etc.complete.as per chemical demand, 28.538 mt./12= 2.378 mt./month