Giant TBM cutterhead takes road trip to second drive

Aaron Morby 2 years ago
Share

HS2 joint venture Balfour Beatty Vinci has dismantled TBM Dorothy and ferried the huge cutterhead back to start its second drive in Warwickshire.

160t cutterhead standing 10m tall being transported through Ufton
160t cutterhead standing 10m tall being transported through Ufton

Dorothy completed the first tunnel drive on the Long Itchington Wood Tunnel in July, breaking through at the south portal site.

Now the TBM cutterhead has been dismantled and transported 2.5km on a 48-wheel Self Propelled Trailer to the tunnel’s north portal site for its second drive.

TBM cutterhead at south portal ready for transportation

The TBM’s 120t tail skin was also moved in the same operation that took three hours.

Eight other large pieces from the TBM’s front shield and middle shield, have already been transported by specialist equipment, which was used specifically to avoid any temporary alterations to the road layout through Ufton.

The rest of the 120m long TBM will be pulled back through the one-mile tunnel by a special ‘caterpillar’ system, at a pace of 150m per day.

TBM tail skin leaving south portal site

Once all the parts are back at the north portal, the TBM will be reassembled before starting the second bore later this year.

Alan Payne, HS2’s senior project manager said: “We’re now looking forward to the reassembly of the TBM over the coming weeks, and the start of the second bore of the tunnel later this year.

“When we celebrate the breakthrough next summer, this will be the first fully completed twin bore tunnel on the HS2 project.”

 

Latest news

Geoffrey Osborne supply chain hit for £26m

More than 500 suppliers and subcontractors left holding unpaid bills
13 hours ago

SME contractors agree 4% pay rise for site workers

Workers will also get an extra day of holiday
10 hours ago

Labour to mothball £320m A27 job to fix potholes

Manifesto confirms Arundel Bypass canned as "poor value for money"
17 hours ago

Lendlease’s £1.9bn Smithfield Birmingham scheme approved

Initial work to start later this year despite questions over Lendlease's degree of involvement
18 hours ago

Crest Nicholson rejects £650m Bellway bid

Second Bellway approach rebuffed
1 day ago

Hill submits £800m East London estate rebuild plan

Over 1,900 homes to be built in five phase at Teviot Estate in Poplar
2 days ago

Plan approved for 8,500-seat Edinburgh indoor arena

Construction expected to start next year once a contractor is appointed
16 hours ago

Statom starts on £25m Bristol Airport precast car park

Major work package on transport upgrade being overseen by Griffiths Farrans JV
1 day ago

Build problems plunge Crest Nicholson to a £31m loss

House builder unearths more defects on completed sites
2 days ago

Rebooted Amey lifts contract win rate to 1 in 3 bids

Amey chief says firm exceeded expectations in first year under new owners
2 days ago

BAM Nuttall fined £2.3m after worker drowned

Court hears how series of safety failures led to tragedy
2 days ago

OCU buys Scottish civils contractor RJ McLeod

Deal takes multi-utility infrastructure specialist revenue to over £800m
3 days ago

£220m plan to restore secret wartime tunnels approved

Tunnels under High Holborn to become cultural exhibition space
3 days ago

Galliford Try wins £69m Scottish school job

Deal sealed on Paisley Grammar School project in Renfrewshire
2 days ago

Balfour wins design for £690m Skye transmission job

Main work contract for 137km power line to be awarded later this year
3 days ago

Student and resi developer Fortis goes under

Cheshire based developer follows construction arm into liquidation
3 days ago

Construction output falls for third month running

Heavy rain and strong winds blamed for sharp fall in activity in April
3 days ago

Plan in for Leeds 27-storey block of flats

390 flats planned at former Morgan Sindall office site
3 days ago

Firms readied for £1.5bn Parliament estate upkeep deal

Invitation to tender due to go out next month
3 days ago

Amey switches kit supplier

Deal with HSS was worth £24.5m a year to rental specialist
3 days ago

Track workers scatter to avoid runaway rail trolley

Track trolley careers 1km towards work site
3 days ago

Direct delivery model pays off as Murphy profit soars to £67m

Group operating margin jumps from 3% to 5% in record year
4 days ago

Ex-Galliard boss to lead Battersea next building phase

Don O’Sullivan joins as plans advance to start phase 3C of power station redevelopment
4 days ago

£100m Digbeth 33-storey flats job out to bid

483 flats will be delivered for Clarion housing association
4 days ago

Van Elle fined £233,000 after piling rig kills driver

Court hears how tragedy was caused by poorly maintained plant
4 days ago

Renew buys utilities contractor Excalon

Infrastructure giant expand into electricity transmission market with £26m deal
4 days ago

Planning for new homes plunges to record low

Home builders call for urgent action from incoming government
4 days ago

JTRE starts £400m 21-floor London tower scheme

Office block and 64 affordable homes to be built at 220 Blackfriars Road site
5 days ago

R G Carter construction profits up despite 24% revenue fall

Selective client choice help profit jump to £6m from £1m previously
5 days ago

Refurbs power London office work to record high

London Office Crane Survey office work starts exceed 4m sq ft for record third quarter
5 days ago

Contractor services