Describes all significant hazards, hazardous situations and events relevant to road headers and continuous miners, when they are used as intended and under the conditions foreseen by the manufacturer. Where mentioned, it applies also to cutter head attachments and impact hammers mounted on excavators and in tunnel shields. Also describes the appropriate technical measures to eliminate or reduce risks arising from the significant hazards. Within the conditions stated by the manufacturer, overturning of the road header or continuous miner is not a significant hazard. Noise is not a significant hazard for cutter head attachments.

PREN 12111:1995