WAC 296-876-60045. Step-across distance

(1) You must make sure a through ladder at the point of access or egress has a step-across distance, measured from the centerline of the steps or rungs to the nearest edge of the landing area, that is: (a) Not less than seven inches; or (b) Greater than twelve inches. (2) You must make sure a side-step ladder at the point of access or egress has a step-across distance, measured from the centerline of the ladder to the nearest edge of the access point(s) of the landing area or platform, that is: (a) Not less than fifteen inches; or (b) Greater than twenty inches.