31.—(1) Where necessary in the interests of the health or safety of a person on a construction site, a sufficient number of suitable emergency routes and exits must be provided to enable any person to reach a place of safety quickly in the event of danger.
(2) The matters in regulation 30(2) must be taken into account when making provision under paragraph (1).
(3) An emergency route or exit must lead as directly as possible to an identified safe area.
(4) An emergency route or exit and any traffic route giving access to it must be kept clear and free from obstruction and, where necessary, provided with emergency lighting so that it may be used at any time.
(5) Each emergency route or exit must be indicated by suitable signs.