The guide
plate

The sludge
separator

Basket strainer

The guide plate leads the sur-
face water to the basket strainer and fixes the con-
struction in place beneath the drain well grating.

The sludge separator collects refuse, stones etc that could cause stoppage in the surface water system. The basket capacity is approx. 16 litres (abt 4.5 gallons) and is perforated with round holes 5 mm (abt 0.2 inch) in diameter.