Overview of the cleaning methods
Surge flushing
Practical example I
Wastewater volume activated flushing system
Inflatable pipe plug
Inflatable pipe plugs provide a method of surge flushing that can be easily installed and used. They can be installed in the manhole shaft without major structural modifications [FI-HST].
During a dry weather spell, the plug is rolled up and stored in the manhole above the sewer flow.
Image:
Inflatable pipe plugs - designed to back up sewer flows at low water levels [FI-HST][Image: visaplan GmbH]
Image:
Wastewater volume activated flushing system - Inflatable pipe plug [FI-HST]
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