Procurement of over head and profit, supply and fixing cast iron sluice valve of size 200mm dia isi marked with flanged ends and suitable holes drilled with brass spindle and check nut including rubber gasket 3 mm thick ms bolts nuts and wahers necessary machining works as required at site complete including taking down old unserviceable one complete all as specified as as directed , fgm skilled per person as per existing rates and other related items