755. Safety precautions in staple-pits and outlets in regard to mines.

In mines of coal, stratified ironstone, shale or fireclay1, every staple-pit2 and unwalkable outlet3 used for ingress or egress must, unless an authorised inspector4, by notice to the manager, exempts any part of it from this requirement, be examined at least once in every seven days by a competent person appointed for that purpose by the manager, and that person must make a written report of his examination