NA-06 - Cleaning: Flushing Methods

Surge flushing

Surge flushing methods - applications

Table: 
Surge flushing methods - applications

 
Storm water retention tank
Rectangular tank Round tank
small
(tank volume < 750 m³)		 large
(tank volume > 750 m³)		 small
(Storage volume < 3000 m³)		 large
(Storage volume > 3000 m³)
Tipping bucket
Pivoting drum
Vacuum operated flushing chamber		 Tipping bucket
Pivoting drum
Vacuum operated flushing chamber		 Vacuum operated flushing chamber Tipping bucket
Vacuum operated flushing chamber
Combined sewer system
Non-accessible channels
(≤ DN 800 (800 mm, 32 in))		 Accessible channels
(> DN 800 (800 mm, 32 in))
Flush gate
Slide gate
Flush manhole		 Main line Secondary line
Flush gate
Slide gate
Flush sluice
Flush weir
Pipe plug		 Vacuum operated flushing chamber
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