Roof Railing Requirements Ibc

Railing are built with the proper number of horizontal lines to meet the requirements outlined 6.

Roof railing requirements ibc.

Instead of passage of a 4 sphere as defined under the ibc osha regulations limit the passage of a 21 sphere between the mid rail and either the walking surface or the top rail of the guard. Under ohsa requirements a railing or guard height must be between 39 and 45 above the top of the walking surface and only requires one mid rail as opposed to multiple balustrades osha 1910 28. Guards shall be designed to resist a linear load of 50 pounds per linear foot a. Ibc standards require all openings in the railing to be 21 or less.

Osha guardrail height requirements. Ibc guardrail is required to be a minimum of 42 above the leading edge of the tread or walking surface. Intermediate rails pickets and posts shall be designed to resist a. The guard shall be constructed as to prevent the passage of a.

A guardrail is required along the open side of any walking surface which include stairs ramps and landings provided the drop is more than 30 inches within 36 inches from the edge. Ibc guardrail height requirements. Railing systems with adjustable height midrails provide more flexibility to meet both of these standards. Sphere 21 inches 53 3cm in diameter.

When required for steep slope roofs section 1507 in the ibc and section r905 1 2 of the irc specify the use of an ice barrier that consists of either two layers of underlayment cemented together or a self adhering polymer modified bitumen sheet at eaves and valleys. Osha also requires a top rail at 42 above the working working surface but allows for some flexibility of 3 inches from the 42.