Supply delivery and laying of filter sand media and grit including removing of the old media epoxy painting to the internal surfaces of the filter beds and re laying of new and old sand media and grit in Twin rapid gravity filter beds of filter bed nos from 01 to 17 at Right hand side of the filter annexure building in 410 MLD WTP of KDWSP Ph III at Kodandapur under SD No I O M Div No XI Sahebnagar