30.—(1) Where necessary in the interests of the health or safety of a person on a construction site, suitable and sufficient arrangements for dealing with any foreseeable emergency must be made and, where necessary, implemented, and those arrangements must include procedures for any necessary evacuation of the site or any part of it.
(2) In making arrangements under paragraph (1), account must be taken of—
(a)the type of work for which the construction site is being used;
(b)the characteristics and size of the construction site and the number and location of places of work on that site;
(c)the work equipment being used;
(d)the number of persons likely to be present on the site at any one time; and
(e)the physical and chemical properties of any substances or materials on, or likely to be on, the site.
(3) Where arrangements are made under paragraph (1), suitable and sufficient steps must be taken to ensure that—
(a)each person to whom the arrangements extend is familiar with those arrangements; and
(b)the arrangements are tested by being put into effect at suitable intervals.