Supply, delivery of filter media of all grades and removing the old media including repairs and overhauling of lateral pipes of HDPE and AC perforated pipes, epoxy painting to the internal surfaces of the filter beds and laying of new media of different grades in the Twin rapid gravity filter beds of filter bed nos 1 to 10 in 205 MLD WTP of stage-II of Phase-I at Kodandapur under SD.No.I of O&M Div.No.XI, Sahebnagar.