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Overflow shaft for stormwater detention systems of detention/infiltration systems to limit the water head. QuadroOverflow can be placed anywhere in the block-shaped structure. With multi-layer systems, it is installed in the top Rigofill inspect layer.

System shaft as tank overflow for Rigofill-type stormwater detention systems:
Plastic shaft, block-shaped, consisting of one shaft body plus cone. Material: polyethylene (PE), colour: black, dimensions: 80 x 80 cm, height: 35 cm or 66 cm. Dimension compatible with Rigofill inspect. With extension pipe DO 600, clear access diameter: 500 mm. With integrated overflow pipe, top edge at the level of the swale top edge. Outlet diameter DN 200 KG.

  • QuadroOverflow ½:   WxDxH = 80 x 80 x 35 cm*
  • QuadroOverflow 1:    WxDxH = 80 x 80 x 66 cm *

*plus cone height 25 cm