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Mott MacDonald
  Date 2014
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Tied together
18 December, 2014
Tie-in works of a tunnel twinning project in northern British Columbia required drill and blast excavation of access tunnels leading to interconnection tie-in chambers that were excavated in hard rock to within 3m of the existing pressurised steel lined penstock. Mark Kellaway and Dave Young of Hatch and Hatch Mott Macdonald and Gordon Revey of Revey Associates, Inc., explains the geometrically complex excavation undertaken during a limited shutdown period when the penstocks were depressurized.

Breakthrough on Ottawa LRT
20 November, 2014
CANADA - The roadheader mining in the central shaft from the east segment to the west segment punched through on November 7, according to the City of Ottawa. At the time of the breakthrough, 48 per cent of Lyon Station cavern excavation has completed.

Wrapping Farringdon
20 November, 2014
Angelos Gakis was a runner-up for this year’s Harding Prize. This article is based on his paper, ‘Design of a SCL wraparound tunnel utilising a 3 D geological model at Crossrail’s Farringdon Station’.

Continental commitment
06 November, 2014
A public-private partnership could break ground on a new rail tunnel under the Detroit River, making a freight connection between Canada and the US that would see much of the billions of dollars the two countries trade. Nicole Robinson reports.

In Review
06 November, 2014
In partnership with the Tunnelling Association of Canada (TAC), every October Tunnels & Tunnelling North America publishes the annual TAC regional director’s report. The four directors take a look at the country’s current marketplace for tunnelling and underground construction, as well as milestones over the past year.

Fire Testing of a Composite Sprayed Concrete Lined Tunnel
17 October, 2014
This paper was entered for consideration in the British Tunnelling Society's Harding Prize competition by Leigh Holland of Crossrail. It was given recognition as one of two runners up. Holland looks at the lining design philosophy and testing on London's Crossrail project.

Bold decisions
17 October, 2014
The giant of world tunnelling also dominates the list of wealthiest contractors, but key investment decisions are required to determine the future shape of cities, and international partnerships. Tunnels speaks with Paul Jenkins and David Gutteridge of Mott MacDonald

East side explosives
26 August, 2014
At February's joint BTS/Minsouth meeting. Andy Thompson of Hatch Mott MacDonald delivered a presentation on the use of explosives for the construction of New York's East side access. Andrew Hindmarch of Mott MacDonald gives this report from the meeting.

Garrod inducted to Canadian Academy of Engineering
04 August, 2014
CANADA - On June 26, the Canadian Academy of Engineering announced that Brian Garrod, deputy practice Leader for tunnels at Hatch Mott MacDonald (HMM) has been inducted as one of 49 new Fellows of the Academy. Founded in 1987, the Academy is the national institution through which Canada’s most distinguished and experienced engineers provide strategic advice on matters of critical importance to Canada.

Mott MacDonald appointed on major upgrade of Auckland CRL
17 June, 2014
Mott MacDonald, as part of an integrated team, has been appointed to undertake the reference design for the NZD 2.86bn (USD 2.43bn) upgrade of the City Rail Link (CRL) in Auckland, New Zealand. Mott MacDonald is developing the project on behalf of Auckland Transport, while team members also include Aurecon, Jasmax and Grimshaw.