Roof Hatch Access Ladder Requirements

Exterior roof access ladder with side exit.

Roof hatch access ladder requirements.

Double leaf or two cover roof hatches are also available on the market. Section 1910 27 c 7 and figure d 6 attached specify the relationship for a fixed ladder to an acceptable hatch cover but there is no specific requirement for grab bars. These hatches are generally larger in order to accommodate the installation or removal of equipment or machinery into a building. Osha s general industry standard for fixed ladders is found in 29 cfr 1910 27.

Ladders shall have a toe spacing not less. The side railing shall extend above the parapet or roof edge not less than 42 inches 1067 mm. All open roof hatches regardless of size or. Also note the flaring dimensions of the enclosure at the lower end of the cage.

These hatches are typically located over a ladder or staircase that provides access to the roof. 1910 23 d 4 i the roof if the parapet is cut to permit passage through the parapet. Nystrom understands building and accessibility codes for roof hatches. Note the bottom of the cage must be between 7 feet and 8 feet above the point of access to the bottom of the ladder.

The uppermost rung shall be a maximum of. Ladders shall have rung spacing not to exceed 12 inches 305 mm on center. For parapet ladders the access level is. A cage is required because the ladder is in excess of 20 feet.