IFC STAIR RAIL CODE CODE
2018 International Property Maintenance Code (IPMC).Note: IEBC – Understanding the Compliance Methods (PDF) 2018 International Existing Building Code (IEBC) with WA State amendments.Note: BMC 17.10.020 Section 118 includes City of Bellingham amendments to IRC 2018 International Residential Code (IRC) with WA State amendments.Accessible and Usable Buildings and Facilities (ICC A117.1-2009).
Note: BMC 17.10.020 Section 117 includes City of Bellingham amendments to IBC 2018 International Building Code (IBC) with WA State amendments.Click here to access the code book page inserts.
IFC STAIR RAIL CODE PDF
Many of the adopted codes are available to view online. Please use the links below.Īll WA State amendments to the codes are also available from the State Building Code Council in pdf version to print and insert into your own printed code books. View a printable list of current codes.The currently effective 2020 editions of the National Electric Code and WAC 296-46B were adopted statewide as of October 29, 2020. The currently effective 2018 editions of the International Codes, Uniform Plumbing Code and Washington State Energy Codes were adopted statewide as of February 1, 2021. The Construction Administrative Code set forth in BMC 17.10.020 replaces the administrative chapters of the adopted codes. Adoption and amendments to the codes are located in the Bellingham Municipal Code (BMC) Chapter 17. of force applied to the mid span, on the side of a post and on top of a post.Ī safety factor of 2.5 is included in the numbers listed above.The Bellingham City Council has adopted the building and construction codes listed below. Concentrated Load Test: The top rail must be capable of holding a point load of 500 lbs.Uniform Load Test (for IBC applications): The top rail must be able to sustain 125 lbs./foot length of force applied horizontally or vertically.Infill Load Test: The strength of the balusters are tested so that a one-square foot area must resist 125 lbs.If you are using a circular cross section, then the handrail must have an outside diameter of between 1-1/4” and 2”.Įngineered railing systems must be tested and certified to meet IRC and IBC building codes. Flat 2x4 and 2圆 handrails do not meet the requirements for graspable handrails. A variety of gripping shapes may be acceptable but must meet requirements for the gripping surface. The handgrips must allow a minimum of 1-1/2” space between the handrail and the guardrail or wall. Handrail ends must be returned and terminated at rail posts. The top edge of the handrail must be placed between 34” and 38” above the nosing of the stair treads.
Handrails are required for stairs in many applications and must meet standards as specified by R311.5.6.3 in the IRC code. The sweep space between the deck surface and the bottom rail must be less than 4". To achieve this, you should check to make sure you meet the post spacing requirements for the type of posts you are using and how they are attached to the deck. There is also a safety factor required by the code, so testing loads are higher for manufactured railing systems. force anywhere along the top of the rail. The guardrails must be strong enough to withstand a concentrated 200 lb. In the case of guardrails for stairs, there is an exception that allows up to a 6” diameter sphere through the triangle opening formed by the stair riser, stairtread and bottom rail. A variety of styles are allowed as long as the interior sections of the rail don’t possess any openings large enough to pass a 4” diameter sphere through.