R 408.40207 Signing requirements.

Rule 207. (1) Each unsupported masonry wall that is more than 8 feet in height shall be posted with a danger sign on each end and each side at intervals of not more than 50 feet as shown in figure 1. (2) The restricted zone shall be delineated by signs at each corner and spaced at intervals of not more than 50 feet along the perimeter. (3) The danger signs shall be maintained in readily visible, unobstructed locations and in a legible condition until the masonry wall has obtained its final lateral support. (4) A danger sign shall comply with construction safety standard part 22 signals, signs, tags, and barricades, R 408.42201 to R 408.42243, and state: RESTRICTED ZONE WALL UNSTABLE IN WIND TRAINED PERSONNEL ONLY (5) An illustration of a danger sign which complies with subrule (4) of this rule is shown in figure 2. (6) All signs must be removed after the walls have obtained their final lateral support.