Michigan Administrative Code
Department - Labor and Economic Opportunity
MIOSHA
General Industry and Construction Safety and Occupational Health Standards
Construction Safety and Health Standard
Part 11 - FIXED AND PORTABLE LADDERS
Section R. 408.41129 - Double-cleat ladders; width; additional rail; side rails
Current through Vol. 24-16, September 15, 2024
Rule 1129.
(1) The width between outside rails of a double-cleat ladder shall be not less than 38 inches or more than 46 inches .
(2) A double-cleat ladder shall have an additional rail located at the center of the ladder
(3) The side rails and middle rail for a double-cleat ladder shall be not less than nominal 2-inch by 4-inch construction grade lumber for double-cleat ladders less than 12 feet in length and not less than nominal 2-inch by 6-inch construction grade lumber for a double-cleat ladder from 12 feet to 24 feet in length .
(4) The side rails of a double-cleat ladder shall be secured at the bottom and as close as possible to the top to prevent moving or toppling .
