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Tunnelling method

Language: English Series: Financial Times ; 8 November 1994, 8; 11 November 1994, 9 | Construction News ; (6390) 8 November 1994, 1&40(2)Publication details: 1994Subject(s): Summary: London Underground is to hold its own inquiry into the new `Austrian` tunnelling method which is being investigated by the Health and Safety Executive following collapse of a tunnel under construction at Heathrow Airport.

London Underground is to hold its own inquiry into the new `Austrian` tunnelling method which is being investigated by the Health and Safety Executive following collapse of a tunnel under construction at Heathrow Airport.