Final work starts to connect super sewer to London system

Engineers on the super sewer project have begun work to connect the new infrastructure to London’s existing sewer system. 
Major construction work on the 25km Thames Tideway tunnel was finished last month after a 1,200-tonne concrete ‘lid’ was lifted into place to cap the project’s deepest shaft at Abbey Mills Pumping Station in east London.
Now, the teams are preparing to bring the tunnel into service by making a connection to the 6.9km Lee Tunnel, which has been in