Crossrail London

Crossrail Ltd.

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Design Preparation Services Sprayed Concrete Linings:

Crossrail provides a world-class railway connection between the east and west of London.

The project’s goal is to conveniently connect London’s Docklands in the East via West End to Heathrow Airport. It inter-connects with major existing railway lines to the east, west, and south-east of the city. The central section is located below the busy city of London. A total of seven new underground stations are located along the tunnelled section, five of which were constructed using SCL/NATM technologies.

Gall Zeidler Consultants (GZ) provided design services for the detailed design, specifications, contract documents and construction strategy of the project’s five SCL/NATM underground stations (Liverpool Street, Whitechapel, Bond Street, Tottenham Court Road and Farringdon). The design services also included SCL/NATM ancillary subsurface structures, including ventilation and access / egress shafts, turn-out caverns and adits.

Gall Zeidler Consultants provided senior SCL/NATM technical representatives on site during the construction and the handover period.

All tunnelling works have been completed and the line is expected to be in operation from 2019.

LOCATION:
London, United Kingdom
DATE:
2006–2017
STRUCTURE:
Underground Railroad Stations and Ancillary Structures
LENGTH:
Tunnel Section: Approximately 12.5 miles (20 kilometers)
CROSS-SECTION:
Varies 26 feet (8 metres) to 53 feet (17 metres)
GEOLOGY:
Fill, Terrace Gravels and Alluvium (Gravel, Sand, Silt and Clay); London Clay and Various Deposits of the  Lambeth Group (Sand, Silt, Clay); Groundwater Tables Above Tunnel Roof Elevations
COST:
Approximately US $32 Billion
CLIENT:
Mott MacDonald
OWNER:
Cross London Rail Links Ltd. (CLRL)