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.
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.
Intermediate rails pickets and posts shall be designed to resist a.
Ibc guardrail is required to be a minimum of 42 above the leading edge of the tread or walking surface.
Ibc standards require all openings in the railing to be 21 or less.
Summary of guardrail requirements 1.
Ibc guardrail height requirements.
Osha also requires a top rail at 42 above the working working surface but allows for some flexibility of 3 inches from the 42.
Sphere 21 inches 53 3cm in diameter.
The guard shall be constructed as to prevent the passage of a.
Guards shall be designed to resist a linear load of 50 pounds per linear foot a.
Guards shall resist a concentrated load of 200 pounds b.
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.
Osha requirements are less stringent in regard to railing assemblies than the 2015 ibc.
Railing are built with the proper number of horizontal lines to meet the requirements outlined 6.