Roof Parapet Height

A parapet height of 29 inches where employees are exposed to falls from a roof does not comply with the height requirement in 29 cfr 1910 23 e 1 and can not be considered acceptable by osha.

Roof parapet height.

Roof membrane temperatures ottawa canada summer day. If you didn t get it right you concentrated the stresses at roof edges and you could suck in a parapet or tear or rip a membrane at the parapet photographs 3 and 4. Where building parapet heights exceed 42 inches special provisions shall be employed to provide a safe means of access to the top of the parapet for rigging purposes if such access is necessary to the safe performance of the work. Accounting for roof penetrations when dealing with parapet walls the extra material needed to cover the vertical surface of the inside face of the parapet isn t the only added factor to take into consideration.

G parapets of excessive height. With it parapet walls are indicated automatically on the roof sketch as flattened panels similar to an unfolded pizza box. Osha construction regulations require guardrails for elevated work 6 feet or more above the ground to be a height of 42 inches 1 1 m plus or minus 3 inches 8 cm 29 cfr 1926 502 b 1 www osha gov pls oshaweb owa disp show document p id 10758 p table standards. The minimum height of a parapet above any wall anchor shall be 12 inches 305 mm.

Courtesy of max baker and the national research council of canada. There are several solutions to help you raise the height of your parapet that are cost effective and aesthetically pleasing. Unfortunately many buildings get close to this height without quite meeting the height required by osha to provide fall protection. In order for a roof parapet to provide adequate fall protection a roof parapet railing should be at least 42 in height.

The height of the parapet shall be not less than 30 inches 762 mm above the point where the roof surface and the wall intersect.