(m) Crawling Boards

Crawling boards also known as Chicken Ladders

Crawling boards shall extend from the roof peak to the eaves when used in connection with roof construction, repair, or maintenance.

Crawling boards shall be secured to the roof by ridge hooks or by means that meet equivalent criteria (e.g., strength and durability).

• Be equal in length to the width of the board.
• Be spaced at equal intervals not to exceed 24 inches.
• Have a minimum cross-sectional area of 1 x 1½ inches.