Sewage Treatment Plant Operation and Maintenance
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Sewage Treatment Plant Operation and Maintenance
Low-budget STPs need frequent emptying and monitoring but even a good one would have to be desludged and serviced at least once a year. After desludging, it should be immediately refilled by water to balance the internal and external pressure.
Under no circumstances should rainwater enter the STP. It could flush out bacteria and cause flooding.
Emptying of primary tanks and soakaways must be done regularly by the society, not the manufacturer’s service staff.
Below components should be checked during maintenance visits:
- Unobstructed, strong and efficient blower and ventilation
- Mechanical components replacement if needed
- Inspection for air filters and pipes inspection
- Diffuser inspection for bubbles
- Biomass color and smell check
- Final effluent quality
- Damage repair in all chambers
- Lid seal integrity
- Replacement of diaphragms and valve boxes
Refer to the manufacturer’s maintenance guidelines booklet for a detailed understanding of every protocol.
STPs require a CFO ( Consent For Operation) from the state pollution boards which have to be renewed every five years. Consent is granted after submitting paperwork, consent fees and a thorough inspection from regional officers of the Board.