The notice for Package C310 - Thames Tunnel was published in the OJEU and comprises the construction of twin 6m diameter bored tunnels from Plumstead Portal to North Woolwich Portal. The length of each drive is approximately 2.6 km.
The scope of work includes:
- Review designs during the pre-construction period to improve buildability and to mitigate risk
- Construction of the tunnels extending beneath the Thames, sumps for tunnel drainage, cross passages, a shaft at Plumstead, portal structures and launch chambers at Plumstead and North Woolwich including head house structures, ramps, diaphragm wall, escape and intervention stairs, flood protection and associated heritage commitments
- The design (including provision of inputs necessary for CRL to obtain local planning consents) and construction and eventual removal of a segment manufacturing facility local to the Plumstead Portal worksite
Expressions of interest must be submitted by 24 March 2010.
(CD/Gk)