Drainage unit

Details Drainage unit Drainage unit

E - Fixed Constructions

01

C

E01C 11/22 (2006.01) E01D 19/08 (2006.01) E03F 1/00 (2006.01)

Patent

CA 2185476

A drainage unit (10) for use on a bridge or other elevated structure has upper apertures (15) for receiving surface water and lower apertures (15) for receiving subsurface water that has accumulated within the layers (6, 7A, 7B) making up the road. Surface water collected in the unit is prevented from entering the road through the lower apertures (15).

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