Search Results: 'ICE'

BTSYM conference a resounding success
22 November, 2012
The British Tunnelling Society Young Members (BTSYM) hosted their first conference last month. The International Conference for Young Engineers played out to a packed auditorium and audio-linked overflow room at the Institution of Civil Engineers (ICE) in London, UK. The given purpose of the conference was to educate young tunnel engineers, and to expose university students to the profession.

Soft ground sewer
25 October, 2012
The new Southeast Collector Trunk Sewer project in York, Ontario, saw its first two TBMs launch this summer. Gerhard Urschitz, technical director for Strabag; Tomislav Hrkac, senior project manager for the Regional Municipality of York, Ontario, and Camilo Quintero, senior project engineer – associate, Hatch Mott Macdonald explain the project

The profit in risk
16 October, 2012
Many if not all underground construction projects involve unforeseen ground condition claims in spite of all efforts. These efforts are mainly directed to stop or manage claims. The main issue is still the perception of uncertainty and risk. This paper is presented by Haldun Kahyaoglu, of Qatar Rail

Warsaw line two
28 August, 2012
Two of four TBMs have begun drives for the second line of the Warsaw metro system. Technical journalist Adrian Greeman looks at the challenges of cutting under a bomb littered city and the race to complete

Station stops
25 July, 2012
In the centre of the old city, the stations have been the most obvious part of the new construction – as well as the most difficult and time consuming. Subsidence troubles on the second one almost ended the project in 2009. Technical journalist Adrian Greeman visits the stations

Largest frozen ground excavation in North America
27 June, 2012
Regional manager Joseph Sopko, consultant Bernd Braun and project engineer Robert Chamberland all from Moretrench American Corporation give this paper on the largest excavation using ground freezing in North America. The 61m diameter, 35m deep excavation was needed for a zinc mine in Quebec.

LED lighting: pitfalls, problems and common sense
17 May, 2012
A call to arms for lighting designers. Rick Morrison, principle engineer in specialist lighting for Aecom Australia, based in Queensland, comments on the explosion in LED popularity and lays out some common sense rules to follow when considering LEDs – for tunnels or otherwise

Shortlisted bidders for Bank Station announced
10 May, 2012

Primary risk reduction
18 April, 2012
It is notable that many treatises on the subject of project risk management do not pay much attention to the subject of site investigation (SI), even though the gathering of accurate information before a tunneling project commences is bound to decrease risk to a project. Today there is a wide array of techniques available to collect such information and costs that can be balanced favourably against overall project expenditure. Maurice Jones reviews some of these

Lakeside risk
08 February, 2012
Challenging soil combined with strict deadline requirements to spur the City of Portland in Oregon, US, to award a non-standard contract. Construction on the much needed sewer relief project completed late last year as Nicole Robinson reports from site

Fixing La Fontaine
06 February, 2012
Since commissioning in March 1967 the La Fontaine highway tunnel that links Montreal Island with the South Shore of the St Lawrence River in Montreal, Canada, has had to accommodate rapidly increasing traffic flows (now up to 130,000 vehicles a day), as well as criticism of the adequacy of its ventilation system. Plans for refurbishment to better airflow and emergency provisions are underway, and seem likely to feature a new type of jet fan reports Maurice Jones