CHARTER - Octopus - Cofferdam Thames

Construction of a cofferdam in Thames

British Telecom diversion/enablement works for the upcoming £4.2 billion TTT (Thames Tideway Tunnel) sewage replacement scheme, involving a large steel cofferdam 28 x 12 x 12m deep in the middle of the Thames with a further 7 m deep cofferdam in the river bed, for the diversion of BT services.