Search Results: 'Health '

Opportunity rocks
27 December, 2012
Hong Kong develops into the main base of operations for the Asia Pacific, while Singapore strives to become to hottest destination for professionals, and both scrap for skilled labour. Alex Conacher speaks to three expats

Murphy tunnelling project receives award
25 October, 2012
Murphy has been awarded a score of 36 out of 40 from The Considerate Constructors Scheme, the company announced mid-October. Following a site inspection earlier this month, Willesden to Taylors Lane Deep Cable Tunnel project in London is now ranked within the top 10 per cent of high performing construction sites in the UK.

An art for humble men
19 October, 2012
Tunnels revisits the traditional methods. Hand mining and its health and safety related concerns are well known, while the traditional soft ground timber supports are increasingly forgotten, as the old methods get pushed aside by the march of mechanisation. Alex Conacher reports

Traditional shields
15 October, 2012
Japan-based Hitachi Zosen has been manufacturing TBMs since 1967. Yasuharu Hanaoka of the manufacturer’s industrial machinery business unit notes the decline in the open, semi mechanized shields that the company did brisk business within previous decades, as closed EPBMs and slurry machines have come to prominence. He explores the technology, and gives a recent example of a ‘traditional method’ shield in operation

Can someone please explain exactly what is SCL?
30 August, 2012
A speedy and uncomplicated method has fallen prey to overdesign and endless codes. David Hindle, partner of OTB Engineering speaks out on the present state of SCL design in the United Kingdom

OSHA reestablishes full protection for demolition and underground construction
23 August, 2012
The Occupational Safety and Health Administration (OSHA) has issued a direct final rule that applies the requirements of the August 2010 cranes and derricks in construction standard to demolition work and underground construction, the agency revealed in mid-August. The application of this rule will protect workers from hazards associated with hoisting equipment used during construction activities.

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

New compressed air guidelines
10 July, 2012
The March BTS meeting marked the launch of the joint ITA and BTS guidelines for good working practice in high-pressure compressed air (HPCA). BTS input had been through its Compressed Air Working Group. Donald Lamont, principal author of the document, summarised the guidelines. Werner Burger, chief design engineer for Herrenknecht spoke on the problems of HPCA for a manufacturer. Tony Ridley of Tony Ridley Hyperbaric Associates outlined UK experience with HPCA. And Claus Mayer, managing director of Nordseetaucher gave an account of his experiences with HPCA

Fire shields and other guardians
21 June, 2012
Maurice Jones examines methods and materials used for passive fire protection in tunnels

Lake Mead death under investigation
14 June, 2012
State safety workers in Nevada are investigating a construction accident that killed one worker and injured another in the third intake at Lake Mead at around 4.30pm on Monday 11 June.

Compressed air work regulations in the US
25 May, 2012
Global Diving and Salvage hyperbaric supervisor Jerry East filters through the mass of regulation governing compressed air workings in the US

Present and future state of UK tunneling
16 April, 2012
Outgoing chair of the BTS Bob Ibell looks at the recent achievements of the UK tunnelling industry and the current state of works

UK Health and Safety Executive cost recovery scheme delayed
03 April, 2012
The Health and Safety Executive (HSE) did not implement its new cost recovery scheme at the start of April as planned.

Tunnel System Number Three drive complete for Sochi
08 March, 2012

New B&V water president calls for New Deal
14 February, 2012

ESP filtration use and developments
08 February, 2012
Mountainous Japan was the first country to use electrostatic precipitators to filter tunnel air. Arnold Dix of the University of Western Sydney and Atsushi Katatani of Panasonic Ecology Systems give a history of the improvements and use of ESPs in Japanese tunnels

Amendments to Queensland code of practice
07 February, 2012

Breakthrough at Lai Chi Kok main tunnel
05 January, 2012