R 408.41238 Float scaffolds.

Rule 1238. (1) A float scaffold shall be constructed of not less than 3/4-inch exterior plywood or equivalent material. The platform shall be not more than 3 by 6 feet in size, and the ends of the platform shall project 6 inches beyond the outer edge of the bearers. (2) The plywood shall be securely fastened to 2 2- by 4-inch bearers which are made of select lumber that is free of knots and other defects and which project 6 inches beyond the platforms on each side. The plywood shall be reinforced with a diagonal brace that runs from bearer to bearer beneath the platform. (3) An edging of wood not less than 1 by 2 inches, or its equivalent, shall be secured around all sides of the platform to prevent tools from rolling off. (4) Supporting ropes shall be 1-inch manila rope, or its equivalent, and shall be free of defects. (5) Rope connections shall be made in a manner that prevents the platform from shifting or slipping. The rope shall be arranged to do all of the following: (a) Pass under the platform. (b) Be hitched around the end of each bearer on each side. (c) Provide 4 ends that shall be securely fastened to an overhead support. (6) Not more than 2 employees and necessary light tools shall occupy a float scaffold. (7) Each employee on a float scaffold shall be protected by a personal fall arrest system.