Shani Wallis, TunnelTalk

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Major engineering and contracting companies engaged on the Crossrail project to November 2011
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Programme Partner – Transcend, a JV of:

Project Delivery Partner – Crossrail Central, a team of:

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CONTRACT PACKAGES

Contract	Package description	Engaged constructor
C300	Running Tunnels West - Royal Oak to Farringdon
C410 C435	Bond Street and Tottenham Court Road Station early access shafts works Farringdon Station
C305	Running Tunnels East - Limmo Peninsula to Farringdon; Limmo Peninsula to Victoria Dock; Stepney Green to Pudding Mill Lane
C405 C330 C248	Paddington Station Royal Oak Portal Civils Pudding Mill Lane Portal TBM reception chamber
C510 C512	Whitechapel and Liverpool Street early access shafts and works Whitechapel Station
	Canary Wharf station delivery by sub-partner Canary Wharf Group
C701	Instrumentation Monitoring
C200	Pudding Mill Lane - Site Facilities	Hot!
C210	Liverpool Street Station Advance Works Package 2
C245	Whitechapel Station Civils, Demolition & Utilities
C240	Bond Street - Civils
C244	Whitechapel Station Civils 1 - Steel Deck Over East London Line
C271	Paddington Integrated Project - Advanced works

DESIGN PACKAGES

Contract	Package description	Engaged firm
C100	Architectural Component Design
C146	Custom House Station
C102	Material & Workmanship Specification
C121	Sprayed Concrete Lining
C124	Railway Systems & Tunnel M&E Services
C131	Paddington Integrated Project
C138	Liverpool Street Station
C122	Bored Tunnels - Alignment & Track	Hot!
C134	Tottenham Court Road
C123	Intermediate Shafts	Hot!
C130	Paddington Station
C136	Farringdon Station
C152	Pudding Mill Lane
C164	Bulk Power Distribution & HV System
C132	Bond Street Station
C140	Whitechapel Station
C154	Victoria Dock Portal
C150	Royal Oak Portal
C156	North Woolwich & Plumstead Portal
C170	Communications & Control System	Hot!

There it is, a clean sweep on Crossrail for Herrenknecht. Confirmation this week that the last two machines needed for the project's crossing of the Thames to the east of London have also been ordered from Herrenknecht brings a total of eight machines to be supplied by the German manufacturer for London's €14.5 billion mega railway project.

All eight TBMs for Crossrail on order with Herrenknecht

The last two machines are slurry Mixshields ordered by the Hochtief/Murphy JV to complete the twin 2.6km drives under the Thames through fractured chalk that presents the possibility of operating under the full hydrostatic pressure of the river above. The contract is a repeat for Hochtief/Murphy of the river crossing it completed for the Channel Tunnel Rail Link (CTRL) in the early 2000s, also using Herrenknecht Mixshields. The slurry TBMs will launch from Plumstead Portal in late 2012 and drive westwards under the river to North Woolwich. Construction of the Plumstead Portal is now under way with work for the North Woolwich Portal commencing in early 2012.

With the Thames machines, Herrenknecht will also deliver six EPB machines for working predominantly through London Clay between portals at Royal Oak in the west, Pudding Mill Lane at about mid point and Victoria Dock Portal to the east. Four of the machines are for the Dragados/J. Sisk JV for 8.3km of 6.2m diameter 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 for the C305 Eastern Running Tunnels contract, and two are for the BAM Nuttall/Ferrovial Agroman/Kier JV for the 6.2km of twin 6.2m diameter Western Running Tunnels from Royal Oak to Farringdon for contract C300 (Table 1).

Table 1. Tunnel construction schedule Location Drive length TBM Launch Drive Complete Royal Oak to Farringdon (Drive X) 2 x 6.1km Second Quarter 2012 Third Quarter 2013 Limmo Peninsula to Farringdon (Drive Y) 2 x 8.3km Third Quarter 2012 Third Quarter 2014 Pudding Mill Lane to Stepney Green (Drive Z) 2 x 2.7km Fourth Quarter 2013 Third Quarter 2014 Limmo Peninsula to Victoria Dock Portal (Drive G) 2 x 900m Second Quarter 2014 Third Quarter 2014 Limmo Peninsula to Victoria Dock Portal (Drive G) 2 x 900m Second Quarter 2014 Third Quarter 2014 Plumstead to North Woolwich (Drive H) 2 x 2.6km Fourth Quarter 2012 Second Quarter 2014 Total TBM bored tunnel 42km TBM start early 2012 All complete by end 2014

"Work to manufacture the components for the first two machines will shortly complete allowing them to be fully assembled and tested at the factory before being disassembled and transported to the UK in December and January for tunnelling to start at the Royal Oak Portal near Paddington in Spring 2012," said Andy Mitchell, Crossrail Programme Director. "The following six machines will be delivered to Tilbury Docks through 2012. All TBMs will be in the ground by the end of 2012 and all are scheduled to have completed the tunnel drives by the end of 2014." Segment casting yards for each of the contracts are currently being established for each contract. BAM Nuttall/Ferrovial Agroman/Kier is establishing a casting yard on railway land at Old Oak Common that is on track to be completed later this year. Arrangements are being finalised for locations of the segment manufacturing sites for the other two contracts. When operational, the Old Oak Common

facility for BAM Nuttall/Ferrovial Agroman/Kier will have 216 moulds to produce the 75,000 concrete segments needed to line the western running tunnels at a production rate of more than 200 segments/day at peak. The plant will employ about 50 people.

At his presentation to the British Tunnelling Society last week (15 Sept, 2011), Mitchell explained that about 85% of the muck to be excavated by the project under the centre of London is to be transported by barges on the river and to a main disposal site on Wallasea Island in the Thames estuary. The rest will be moved by rail or road to land fill sites or facilities for secondary-use processing. Contract C807 for the river transport operation is currently out for bid, he said.

At peak between 2013 and 2015, up to 14,000 people will be employed on Crossrail contracts.

Reference

Roll out of final tunnel contracts for Crossrail - TunnelTalk, March 2011
Herrenknecht lands central Crossrail TBMs - TunnelTalk, May 2011
Scheduling for success at Crossrail - TunnelTalk, April 2011

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