Abstract
After a brief presentation of the AlpTransit projects (Gotthard and Lötschberg base tunnels) special aspects of safety and health protection are discussed: access via deep shafts, rock pressure, ingress of water and mud, ventilation, cooling, fire protection, escape routes and rescue. Medical aspects of climate and ventilation are discussed as dust and diesel soot emissions, blast fumes and hazards resulting from the shotcreting process. The preparation of safety concepts and comments on the planning and drawing up of safety measures are presented.
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