Details: appendix a -replacing the damaged bridge assembly of clariflocculator no. 1 of 48 mld wtp at head works aluva 100.53.2:washing clarifloculator using brooms, brushes and bleaching powder by engaging coolies, scrubbing twice, washing and cleaning using fresh water, including side wall, floor slab and columns, disposing the the slurry / waste materials away from the immediate premises and within the initial lead of 50m from the periphery of the clari floculator, without causing any damage to the existing structure and installations, charges including the operation of valves, conveyance and hire charges of tools and as per the direction of the department officers etc. complete. 14.72:providing and fixing double scaffolding system (cup lock type) on the exterior side, upto seven story hight made with 40 mm dia. m.s. tube 1.5 m centre to centre, horizontal & vertical tubes joining with cup & lock system with m.s. tubes, m.s. tube challies, m.s. clamps and m.s. staricase system in the scaffol
Sector: Water supply and Sewerage