The existing Underground Station required upgrading, including an improvement of passenger access to the platforms, provision of Shepherd’s Bush Central Line (MIP) access to the platforms, additional escape routes, and relocation of selected cables and system components.
Gall Zeidler Consultants (GZ) provided consulting services on construction methods including Sprayed Concrete Lining / New Austrian Tunnelling Methods (CSL/NATM), hand mining and timber headings. GZ carried out an Independent Design Check (Category 3 Check).
London, United Kingdom
2004 – 2006
Multiple Pedestrian Tunnels and Shafts
820 feet (250 meters)
London Clay, Which is Covered by 20 – 23 feet (6 – 7 meters) of Gravel and Fill
Approximately US $52 Million
Tony Meadows Assoc., Ltd. / Morgan Est.
Metronet BCV/London Underground Ltd.