Major upgrade plans for London's Bank Station
Nov 2011
Peter Kenyon, TunnelTalk
- London Underground (LU) is inviting contractors to prequalify for a major revamp of the system's Bank underground station. A new platform tunnel for the Northern Line plus new ticket hall, new escalators and step-free access lifts are all part of a proposed design-build procurement contract worth about £500 million.
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Bank Station
- LU has developed an outline design and is now looking to prequalify a design-build group who can find innovative ways to deliver the plan.
- Situated in the heart of London's finance district, Bank is London's fourth busiest underground station and serves as an interchange for five lines as well as the Docklands Light Rail (DLR).
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The scope of remodelling work includes:
• Increasing the circulation area for the currently cramped Northern Line platforms by constructing a new 570m section of southbound-running tunnel and transforming the existing southbound tunnel and platform into a concourse and throughway;
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Proposed alignment of new southbound 570m tunnel
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• Constructing large cross passages to link the concourse to the new southbound platform tunnel;
• Building new passageways, stairways and escalators to link the Northern Line to other Lines;
• Installing a new lift shaft with four high-capacity lifts to provide step-free access from the Northern Line platforms and concourse to a new ticket hall and street level;
• Creating an improved secondary means of escape; and
• Carrying out necessary utility diversion and enabling works. - Between them Bank, and its inter-connected Monument Station, have 10 platforms, 15 escalators, and two 300ft moving walkways. LU describes the asset as "one of the largest and most complicated subterranean railway complexes in the world."
- Currently 96,000 passengers pass through Bank Station at morning rush hour, nearly half changing Lines. These numbers have increased by 43% since 2003 according to Transport for London.
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Overcrowding at Bank Station
- The Bank project is part of a wider series of improvements and station upgrades on the London Underground, some of which are linked to creating interchange points with the £14.5 billion Crossrail scheme. Six stations – Paddington, Bond Street, Tottenham Court Road, Farringdon, Liverpool Street and Whitechapel – are to be improved and upgraded as part of that programme, at a cost of £1.5 billion. There is also the longer-term £4 billion plan to extend the Northern Line underground from Kennington Station to Battersea. The preferred of three alternatives is for 2.6km of twin TBM running tunnels and two mined stations at Nine Elms and Battersea.
- Expressions of interest for the Bank Station upgrade contract must be submitted by e-mail by 19 December to BankSCUProjectProcurement@tfl.gov.uk. A prequalification questionnaire will be sent out to interested parties, which may be JVs, on December 20. London Underground envisages award of one large design-build contract for the full scope of work.
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A DLR platform at Bank
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Five Underground lines and the DLR connect at Bank
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Bids called for remaining Crossrail stations - TunnelTalk, Nov 2011
First Crossrail station contract award - TunnelTalk, July 2011
Crossrail awards tunneling contracts - TunnelTalk, Dec 2010
Underground extension to Battersea in London - TunnelTalk, Oct 2009
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