UK

London Gateway

SUSTAINABLE DEVELOPMENT TECHNIQUES WERE KEY TO THE SUCCESS OF THIS PROJECT

ByrneLooby have been commissioned to undertake the design of the new flood embankment at Thames Gateway as part of the Contractor design and build floodplain compensation scheme for development on the river Thames, UK. As part of this, a pre-defined area and level have been identified which will be allowed to flood hence offsetting previous development in the floodplain in line with sustainable development techniques.

As geotechnical and marine designers on the project, we have been tasked to design the removal of the existing flood defence wall providing a breach location for the tidal river to flood into the newly formed floodplain. Behind the existing flood defence line a new earth flood embankment is to be constructed using the material from the future floodplain which will be excavated to ensure that the floodplain provides a level-for-level compensation area. As part of this design, the embankment will be treated to ensure that desiccation cracking and subsidence/failure does not occur in the 50 years design life. The edge protection of the new embankment, as well as the construction of the round heads at the breach locations, will be designed to maximise the reuse of existing revetment rock in the intertidal zone as well and incorporaing soft engineering techniques.

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