Details: working charges od118741/2023-2024:designing dual media filter bed with anthracite as per technical circular. no.kwa/jb/tmu/4659/2021. 100.55.5:removing filter media from the filter beds without making any damages to the existing structures and back manifolds and stacking at a safe and convenient place for segregation process and as per the directions of the department officers etc. complete. od6937/2023-2024:repair/ alteration of the under drain system by replacing all damaged pipes with suitable arrangements and providing all additional mechanisms and fixtures required according to the design of multi layer filtering system etc. complete. 15.2.1:demolishing cement concrete manually / by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in-charge.nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) od6949/2023-2024:modification/alteration of the existing back washing system comprising of compressed air andclear water w
Sector: Water supply and Sewerage