Search Results: 'Donaldson Associates'

Springs Tunnel Refurbishment
27 March, 2018
Alun Thomas from supplier Minova and Dave Thomas from main contractor AMCO look at some of the products and systems used for the Springs Tunnel refurbishment project

Upgrading bond Street
29 June, 2017
London Underground Bond Street Station Upgrade Project (BSSU) is due for completion and open to public in April. In December’s British Tunnelling Society Meeting, the project was told from the perspective of the SCL designer and the contractor working in a one team environment. Through innovation and utilising the latest technology they pushed the SCL design boundaries and developed a safe system of work by minimising the impact on infrastructure while optimising the excavation times to create necessary additional underground space. The speakers were Richard Watts, project manager, London Underground; Steve Nuttall, project director, Color; Andreas Spiegl, principal tunnel engineer, Dr Sauer & Partners and senior SCL engineer on site

Cowi UK Comes Together
05 December, 2016
As Cowi acquisitions Donaldson Associates and Flint & Neill prepare to form Cowi UK in the New Year, Tunnels & Tunnelling speaks to Andy Sloan, managing director of Donaldson Associates about the new changes and the journey from “Donaldson’s” as it is known in the UK, to Cowi

BTS Christmas debate
09 June, 2016
In December 2015 the British Tunnelling Society met to debate the assertion: "This house believes further development of SCL for complex urban tunnels is the best way forward for our industry”. The rapporteur is Paul Perry of Donaldson Associates

Cable guy
10 October, 2013
A new cable tunnel has gone seemingly without a hitch in the Willesden/harlesden neighbourhoods of North London. Alex Conacher tours the site with Murphy’s tunnelling project manager Keith Pollard.

Drill and blast in confined spaces
29 April, 2008
At the joint meeting of the BTS and MinSouth on 21 February 2008, Richard Soloman, project manager for WECS, Damian McGirr, of Donaldson Associates, and Mark Thomas, site manager for WECS, described the drill and blast works on an urban flood alleviation tunnel in Bristol, UK

Global Claims
08 April, 2008
A standard defence to any claim submitted by a contractor is, “it is a global claim and so it should fail completely”. T&TI’s contracts and disputes correspondent, Paul Cullinan of Plus 3 Consultants, examines what is meant by the phrase global claim and some common law developments which could show that the tide is receding from the high water mark where a defendant’s assertion that a claim was global was sufficient to send a contractor packing

Insuring an industry
01 October, 2002
As a result of some recent high-profile incidents within the industry, insurers have been increasingly concerned that tunnelling was becoming uninsurable in the market. A joint working party, between the British Tunnelling Society (BTS) and the Association of British Insurers (ABI), has since produced a draft Code of Practice that would allow insurers to continue to offer cover. Presentation of the draft Joint Code of Practice to BTS members took place on 4 July 2002, followed by an in-depth discussion

Logging on for TBM productivity
01 April, 2002
A TBM production logging system proved an effective tool for site-based decision-making during construction of the Portsmouth Transfer Tunnel for the Portsmouth and Havant Wastewater Treatment Works & Sludge Recycling Scheme in the UK. Simon Stroud of Halliburton KBR described the system for the British Tunnelling Society's Harding Prize competition, on which this article is based.

Water logged
06 January, 2001
Despite coming close to the limits of permeability, dewatering was the right choice for a Scottish pipejacking project through exceptionally difficult ground, says Helen Monahan, a geotechnical engineer with consultant Donaldson Associates.

Snapshots of Scotland
01 July, 2000
Scotland's tunnels were the theme of a British Tunnelling Society informal dicussion on 13 April with a four part presentation. Chairman was David Donaldson.