402. Procedures for serious and imminent danger and for danger areas.

Every employer must:


    (1)     establish and where necessary give effect to appropriate procedures1 to be followed in the event of serious and imminent danger to persons at work in his undertaking2;


    (2)     nominate a sufficient number of competent persons3 to implement those procedures in so far as they relate to the evacuation from premises of persons at work in his undertaking