Roof Access Ladder Code Requirements Ontario

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Roof access ladder code requirements ontario.

The ontario building code regulations state that an attic space that is higher than 600 mm must have access from the floor immediately below by either a safe stairway or by a hatch no smaller than 550 mm by 900 mm. 1 the top of the uppermost rung of a ladder must be level with the top of the access egress level or landing platform served by the ladder. Ontario building code loft or attic stairs the general building code regulations that apply to stairs are as follows. Fixed access ladders 1 if a fixed ladder is installed to provide access to a roof of a building the design and installation of the attachment and anchorage system for the ladder shall be as described in mmah supplementary standard sb 8 design construction and installation of anchorage system for fixed access ladders.

Roof access 1 on a building more than 3 storeys in building height where the slope of the roof is less than 1 in 4 all main roof areas shall be provided with direct access from the floor areas immediately below either by a a stairway or b a hatch not less than 550 mm by 900 mm with a fixed ladder. Roof access hatches served by fixed ladders must be at least 550 mm 21 5 8 in by 900 mm 2 ft 11 in on buildings more than 3 stories in building height where the slope of the roof is less than 1 in 4.