Hydro-Brake® Drop key to undersea sewage line

Hydro-Brake® Drop helped Dŵr Cymru Welsh Water convey sewage through a difficult 14 metre drop to a main sewage line some eight metres below water level.


As part of the £200 million development of the Swansea docks known as SA1 Swansea Waterfront, a two-year sewage infrastructure redevelopment was carried out by Dŵr Cymru Welsh Water.


Raw sewage needed to be conveyed down a 14 m / 46 ft drop in a constrained space within the former Prince of Wales Dock as part of an innovative and cost-saving solution, which enabled construction within a tight 14-week project window.


Welsh Water selected Hydro-Brake® Drop, and Hydro International supported the installation of the system into an existing 4 m / 13 ft bore access shaft within the dock.


The Hydro-Brake® Drop now takes the sewage 14 m / 46 ft from street level down to the existing main sewage line, some 8 m / 26 ft below water level in the dock.

"This solution was much more economical in terms of time, space and cost than trying to incorporate a new cascade or other alternative in the dock."

- Len Burgess, Project Engineer, Hyder Consulting



Hydro-Brake Drop


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