Swanage Railway flood risk assessment and SuDS design

EPG, working alongside GB Card, have undertaken a flood risk assessment and designed a SuDS system that has helped Swanage Railway bring a rare 26 tonne locomotive turntable back into use.  The SuDS system, used to drain the turntable, will use swales and basins to attenuate and treat runoff from the site.

As part of the turntable encroaches on a flood plain the basins will provide compensation for the lost flood plain storage;  furthermore, advice provided by EPG on the construction of the approach embankment will also minimise loss of flood plain storage.

The introduction of the Swanage turntable will allow steam locomotives hauling charter trains to Swanage to turn just outside the town instead of running back to Eastleigh in Hampshire – saving a round trip of about 100miles.

The 1953 turntable, donated to Swanage Railway by Network Rail, was removed from Old Oak Common depot near Paddington Station in London to allow construction of the Cross Rail project.

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