NA-06 - Cleaning: Design Measures to Avoid Deposits
Separation catch basin - Third separation step
A sump serves as the third separation step. All settleable solids that were not retained in the first two steps are retained here, even in the event of a heavy storm.
Image:
Separation catch basin - 3rd separation step [Source: visaplan GmbH]
Image:
Separation catch basin - sump [Source: STEIN Ingenieure GmbH]