Building Code For Handrails On Stairs Https Www Lakewood Org Files Assets Public Public Works Pdfs Engineering Railings Pdf

Maximum 4 12 inch handrail projection into stairway width on either side.

School building rules. We explain the difference between a handrail a stair rail and a guardrail and we provide specifications and building code specifications sketches of proper safe and improper unsafe handrails and other types of railings. It is necessary to check the local building code while constructing anything. Handrail heights on stairs and landings.

So this basically sums up the basic code requirements for residential stairs and their dimensions. While the finer details will ultimately be influenced by your local governments building regulations the international building code the international residential code and the standards set by the americans with disabilities act of 1990 maintain that exterior stairs that are a required point of egress in other words stairs that must be crossed on your way in and out of the building. The international residential code irc and the international building code ibc provides the staircase railings codes and guidelines in the united states.

Railings used on stairs balconies decks ramps walks. Handrails for commercial stairs. Therefore let us recap on the residential stair code requirements.

Summary of code requirements for commercial stairs. They provide the guidelines for local code authorities to follow at their discretion. Every exterior and interior flight of stairs having more than four risers shall have a handrail on one side of the stair and every open portion of a stair landing balcony porch deck ramp or other walking surface which is more than 30 inches 762 mm above the floor or grade below shall have guardshandrails shall not be less than 30 inches 762 mm high or more than 42 inches 1067 mm.

The stairway section of the code refers us to section 1014 for handrail code requirements which you can read more about at the following link here. Handrails must be positioned between 900 and 1000mm above the pitchline. Minimum 36 inch clear width for stairway.

The state of connecticuts building codes for stairs and handrails govern the height steepness strength and other details that affect the safety of stairs and handrails in both houses and commercial buildings. However it is still a building and its construction must comply with the building code. The acceptable solution d1as1 says clause d1 requires handrails on all stairs.

Unlike residential stairs that only require a handrail on one side commercial stairs require handrails on both sides.