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Bank Station Capacity Upgrade

Design of all SCL works and 3D FE modelling of all SCL tunnels including excavation steps and confirmation of trigger values. Impact assessments.
Estimated cost: Commencement:
August 01, 2013
Completion date:
United Kingdom
Technical data:

An important transport hub on the London Underground network, Bank Station forms an interchange between five lines. The Capacity Upgrade project comprises the construction of a new platform tunnel, associated running tunnel and step-free access provision.

Geology description:

The geology is expected to comprise London Clay formation overlain by Quaternary superficial deposits comprising river terrace deposits and alluvium which are generally overlain by made ground.

Geology types:
Bid cost: Final cost:
£563.8 million GBP
Service areas:
Construction methods:
Tunneling under:

Bank Station is a London Underground station located in the City of London financial district. It is a key interchange served by five lines. The Bank Station Capacity Upgrade (BSCU) aims to relieve heavy passenger congestion during peak hours for boarding, alighting and interchange. The capacity upgrade comprises the construction of a new southbound platform tunnel and associated length of running tunnel for the Northern line, connecting passageways to the existing station tunnels, and the provision of step-free access from King William Street. The total length of the SCL tunnels is 1,200m with tunnel cross sections that range from 10m2 up to 90m2.

BSCU project overview
View of ground movement cone
2D Phase 2 analysis for a situation where new tunnels are above the existing assets
King William Street station entrance
Location/Footprint of the proposed 3D FE models.
3D pdf cut for escalator 4, including new and existing assets upon completion