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