operation and maintenance of 11 mld stp based on sbr c tech technology at cantonment fund trenching ground on glr sy no 50 deolali cantonment , part -a: dsr itemsmanpowera ) chemist/ lab assistant , b ) shift operator/ computer operator , c ) helper / skilled labour , d ) gardner/ sweeper -mazdoor ( male ) , e ) security watchman , operation and maintenancea ) operation & maintenance of mechanical & electrical instrumentation , trip cost for disposal of manure or sludge including loading , unloading and stacking for lead of 7km , part - b: non-dsr items ( based on market rates ) a ) gas chlorine for disinfection , b ) dewatering polymer , part - c: wet well ( extra item ) operation and maintenance of wet well and pump house