Shani Wallis, TunnelTalk
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- The last of the underground and tunnelling contracts for London's multi-billion Crossrail project, are set for award in early 2011. Among the first is the Thames Tunnel sand although not confirmed by Crossrail, TunnelTalk has learned that the Hochtief-Murphy JV is in poll position for the East London river crossing. An award of C310 to Hochtief-Murphy would be a repeat of the CTRL (Channel Tunnel Rail Link) Thames Tunnel contract that the same JV completed in the early 2000s on which it deployed two Herrenknecht slurry TBMs.
Alignment of the Crossrail project beneath central London and under the Thames at Woolwich
- Award of the Thames Tunnel "later in the year" as noted by Crossrail follows award in December 2010 of the two principal running tunnelling contracts under the streets of central London. C300 for the 6.2km of twin 6.2m diameter Western Running Tunnels from Royal Oak to Farringdon is with BAM Nuttall/Ferrovial Agroman/Kier JV, and Dragados/John Sisk & Son JV has the C305 Eastern Running Tunnels contract for 8.3km of 6.2m diameter bored tunnels in three drives from Limmo Peninsula west to Farringdon, from Limmo Peninsula east to Victoria Dock, and from Stepney Green north to Pudding Mill Lane.
- Also awarded in December last year was contract C410 for early access shafts and sprayed concrete lining works for the Bond Street and Tottenham Court Road Crossrail stations. The work was awarded to the C300 west running tunnels JV BAM Nuttall/Ferrovial Agroman/Kier to take advantage of having the same contractor on both contract. The cost-efficiencies include the alternative to drive the TBMs through the station zones first and break out the segmental tunnels to enlarge the SCL station platform tunnels.
- Contract C510 for early access shafts and SCL works for the Whitechapel and Liverpool Street stations on the east running tunnels alignment was awarded to Alpine BeMo/Balfour Beatty/ Morgan Sindall/Vinci JV.
Life-size station model under construction
- C310, the third and last major tunnelling contract to be awarded, will take the twin tube alignment under the Thames between portals at Plumstead, south of the river, and North Woolwich on the north side. As with the CTRL operation before it, two soft ground TBMs, most likely of the same slurry design, will excavated the two 2.5km long drives.
- On the alignment is the Woolich Station, which is now a firm element of the project. Under an agreement with the Department for Transport, Transport for London, Crossrail Ltd and Greenwich Council, the station box will be privately funded by developer Berkeley Homes. The agreement cancel earlier doubt about the ability to secure funding for the added station. Berkeley Homes will deliver an excavated station box which could be converted into a complete station in the future.
- Also to be awarded soon is C315 for refurbishment of the old Connaught Tunnel that is to be enlarged and incorporated on the Crossrail alignment south to Abbey Wood. The tunnel 550m long brick-lined was built in the 1870s and has been closed since late 2006 when part of the former North London main rail line to Docklands was taken out of service. Proposals from four shortlisted prequalifiers are currently in evaluation for the contract:
• Hochtief/J Murphy JV
• BAM Nuttall
• VolkerFitzpatrick Barhale JV
- Proposals are also invited from four prequalifiers for the C435 underground construction works for Farringdon Station in central London. As a key station on the route and a major passenger hub for Tube and rail services, the scale of the new Crossrail station is vast, stretching from Farringdon to the Barbican. More than 140 trains/hr are expected to flow through the Farringdon interchange when completed, making it one of Britain's busiest train stations. Farringdon is also the meeting point of the two major tunnelling drives. Proposals are invited for the Contract from:
A Crossrail station once in service
• Balfour Beatty, Alpine BeMo, Morgan Sindall and Vinci JV;
• Costain Skanska JV;
• Laing O'Rourke and Strabag JV; and
• BAM Nuttall, Ferrovial Agroman and Kier Construction JV.
- In January, a shortlist of contractors were also invited to tender for the C405 Paddington main station construction works:
• Costain Skanska JV;
• Balfour Beatty, Morgan Sindall and Vinci JV;
• BAM Nuttall, Ferrovial Agroman and Kier Construction;
• Laing O'Rourke and Strabag JV
Tenders have also been invited from four contractors for the C350 civil works at Pudding Mill Lane Portal:
• Dragados/John Sisk & Son
• Morgan Sindall
- Last month Crossrail started the tender process for the main works for a further four central London stations at Bond Street (C412), Liverpool Street (C502), Tottenham Court Road (C422) and Whitechapel (C512).
- Speaking of the roll out of construction contracts to date, Andy Mitchell, Crossrail Programme Director said: "With the major tunnelling contracts awarded last year, 2011 will be the year of the main station contract awards. Crossrail intends to award the main construction contracts for all central London stations by the end of the year." The total value of the six central London stations contracts along is £1.5 billion.
- In other recent developments at Crossrail, applications have been received for replacement of Rob Holden as Chief Executive of Crossrail Limited. Holden tendered his resignation in January and while his exact date of departure is not announced, applications for his top job with Crossrail closed on 20 March. Holden’s replacement will take his seat Chief Executive on the Exectutive Committee of Crossrailwith
• David Allen, Finance Director
• Andy Mitchell, Programme Director
• Keith Berryman, Land and Property Director
• Martin Buck, Commercial Director
• Clinton Leeks OBE, Corporate Affairs Director
• Valerie Todd, Talent and Resources Director
- He will sit also on the Crossrail Board of Directors with two other executive members David Allen and Andy Mitchell. Non-executive members Phil Gaffney, former Hong Kong MTR Managing Director, and Ian Brown CBE, former Managing Director of TfL London Rail, officially join the Board today (1 April 2011).
- Crossrail awards tunnelling contracts - TunnelTalk, Dec 2010
Crossrail management mobilized - TunnelTalk, May 2009
Preparing the ground for Crossrail - TunnelTalk, Aug 2010
Rob Holden to leave Crossrail - TunnelTalk, Jan 2011
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