In our application for development consent this site intercepts the existing local combined sewer overflow (CSO), known as the Ranelagh CSO, and connects to the northern Low Level Sewer No.1 to divert flows to the main tunnel. These works, along with our works at Blackfriars Bridge Foreshore and Victoria Embankment Foreshore, mean that we do not need additional sites to intercept ten CSOs between Battersea Bridge and Blackfriars Bridge.

The Chelsea Embankment Foreshore site is on the northern bank of the River Thames opposite Royal Hospital Chelsea Bull Ring Gate. It comprises an area of the foreshore, a section of footway and carriageway of Chelsea Embankment (A3212) and a small part of Ranelagh Gardens. The surrounding area is predominately open space and residential properties. The location of the site is shown below.

Construction is assumed to start in 2017 and would take approximately four years. Where appropriate some advance works may be carried out before the main construction period.

Work would comprise construction of a new area of reclaimed land in the foreshore and underground structures to connect the CSO and the low level sewer to a shaft approximately 45 metres deep with an internal diameter of approximately 12 metres.  The shaft would transfer sewage flows from the CSO to the main tunnel.

While most of the operational structures would be underground or within the new foreshore structure, several ventilation columns and two electrical and control kiosks would be permanent above ground features.

Please refer to the application documentation on the Planning Inspectorate’s website (link below) for full details of our proposals for this site.

http://infrastructure.planningportal.gov.uk/projects/london/thames-tideway-tunnel