Tender For replacement of damaged coarse sand and fine sand at bed no. 2 in 31.5 mld new rapid gravity filtration plant at mangalam filter house in tirupati municipal corporation, tirupati.
Tender For replacement of damaged coarse sand and fiine sand at bed no. 5 in 31.50 mld old rapid gravity filtration plant at mangalam filter house in tirupati municipal corporation, tirupati.
Tender For replacement of complete filter media of rapid sand gravity filter at garacharma water treatment plant sw supply of graded gravel and silica sand_recall