Overhauling of sand filters with replacement of filter media and associated repairing work in the sand filter plant of parasea colliery under, kunustoria area.

Enhancement of water quality using alagae side chemical reagent for sand cleaning topping of godra river filter sand for filter beds and designing of v wire at wtp temghar.

Overhauling of sand filters with replacement of filter media and associated repairing work in the sand filter plant of parasea colliery under, kunustoria area. (3rd call)

Overhauling of sand filters with replacement of filter media and associated repairing work in the sand filter plant of parasea colliery under, kunustoria area. (2nd call)

Repair of filter beds after removing the sand and gravels at 5 mgd filtration plant, desilting and cleaning of sedimentation tanks of with high pressure pump and supply placing of filter media sand in various filter beds at 5 mgd filtration plant at

Miscellaneous civil work in pt plant like area grading, gravel, sand ,anthracite filling, cleaning, housekeeping and minor concreting in gravity filter house for patratu stage -i ( 3 x 800mw)

Maintenance of curti treatment plant - supply and topping of filter beds no. 07 and 08 with filter media ( sand) of effective size ( 0.45 mm to 0.70 mm) at 55 mld water treatment plant at curti.

Repair of filter beds after removing the sand and gravels at 5 mgd filtration plant, desilting cleaning of sedimentation tanks of with high pressure pump and supply placing of filter media sand in various filter beds at 5mgd f.plant at w/w sec.12 chd