Ibc standards require all openings in the railing to be 21 or less.
Roof railing requirements ibc.
Osha requirements are less stringent in regard to railing assemblies than the 2015 ibc.
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.
Ibc guardrail height requirements.
Railing are built with the proper number of horizontal lines to meet the requirements outlined 6.
Summary of guardrail requirements 1.
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.
Guards shall resist a concentrated load of 200 pounds b.
Sphere 21 inches 53 3cm in diameter.
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.
Railing systems with adjustable height midrails provide more flexibility to meet both of these standards.
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 guardrail height requirements.
Intermediate rails pickets and posts shall be designed to resist a.
Guards shall be designed to resist a linear load of 50 pounds per linear foot a.