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Connection tunnel complete at Chelsea Embankment

A connection tunnel linking a 45-metre-deep shaft to the main super sewer has been completed at Tideway’s Chelsea Embankment site.

The 50-metre-long tunnel, under construction since May 2020, has seen the final construction operatives depart and the removal of lighting.

It connects to the shaft, excavated within a dry cofferdam on the foreshore, to the main Thames Tideway Tunnel beneath the Thames. The roof slab on top of the shaft has also been completed.   

In July 2021, Her Royal Highness The Princess Royal paid a visit to the site to see progress being made on the super sewer project to clean up the River Thames.   

HRH was given the important task of fixing in the final bolt into the last penstock within the connection tunnel.

Work at this site will intercept one of the most polluting Combined Sewer Overflows preventing sewage pollution in the River Thames.  

The floodable terraces that will form the new public space at Chelsea Embankment once work on the Tideway project is finished were also recently completed and the architectural brickwork is progressing as the team reinstates the north site across the road from the foreshore.