Description: Scrapping of fine sand from the top layer of filter beds Removal Refilling of new sand Removal of mud from top sand layer skimming of oil etc at RWTP DMP ETP Name of Work Scrapping of fine sand from the top layer of filter beds Removal refilling of new sand Removal of mud from top sand layer skimming of oil etc at RWTP DMP ETP
Details: Scrapping of fine sand from the top layer of filter beds, Removal & refilling of new sand, Removal of mud from top sand layer , skimming of oil etc at RWTP , DMP & ETP Scrapping of fine sand from the surface of filter beds along with deposits if any Cleaning of peripheral launders of primary clarifiers / Clariflocculators and open channel from inlet well to filter beds. PC peripheral launder cleaning CLF peripheral launder cleaning Open channels cleaning from Inlet well to FM Open channels cleaning from CLF to Filter beds Removal of accumulated materials like acid insoluble sludge, resin, mud etc; from nutralisation pits. Removal of mud , foreign particles, addition of diluted NaOH solution at RWTP , oil skimming at ETP etc; Draining of respective PC / CLF, inspection for any deposit, presence of foreign materials etc . Removal of the deposited sludge if any. Removal of old sand and filling of sand in RGSF by transporting from storage place
Sector: Water Resource Department