annual maintenance works for water supply scheme, `operation and maintenance a /mtc scheme for 8 month i.e. pumping machinery, leakages of pipe line and consumables etc. in villagebadon pati awal , badon pati doyanand all other works contingent thereto-- 1 all pumping set install at water works, boosting station, including of pumps and motor of various capacity including all electric fitting , panel board, starter,cable, volt meter, ampmeter etc. inside/outside campus complete in all respects (august 2025 to march 2026 = total 8 months) 2 comprehensive maintenance and repair of existing distribution as well as head work pipelines of all types (di/ci/ac/pvc) removal and relaying ipb, including ipb block if required, demolising c/c by mechnical /manualand all sizes at various depths, including new sluice valves, new non-return valves, leakages and repair of illegal/not functional water supply connections. work includes excavation on any surface, bailing out, refilling i.e. soil etc.material and labour cost, machine/equipment hire including cost and repair/replacement of newsluice valves components of all sizes (m.s. spindle, g.m. chuck nut and ci special, nut bolts, rubber jain, glain dori, grease, etc.). includes opening/fitting, carriage charges from site toworkshop and back at site and all repair related works as per engineer-in-charge`s direction, complete in all respects. (august 2025 to march 2026 = total 8 months) 3 provision for consumeables items i.e. bush , cotton, glain dori, grease, lubricant oil, mobil oil, nut and bolt, rubber sheet, transformer oil etc.(august 2025 to march 2026 = total 8 months)