Overview of the cleaning methods
Surge flushing
Back-up flushing
Cleaning balls
Ball types
Cleaning balls have either a solid or foldable construction which can be pulled through the sewer using a cable guide or pushed through by the sewer currant.
Image:
Removal of deposits in large circular sewers by means of a folding ball [Biele79a]
Image:
Cleaning using a cable-guided cleaning ball [Image: visaplan GmbH]
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