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4AyBuiLdingermit.com • <br /> a service of eCityGov.net Construction Tip Sheet 03 <br /> Residential Guards (Guardrails) <br /> This tip sheet reflects code requirements of the 2018 International Residential Code (IRC) with <br /> Washington State Amendments. <br /> Open stair handrail Open guard Solid guard <br /> See handrail Tip Sheet#2 for <br /> applicable handral information. <br /> ui <br /> The top of guards for— <br /> stairways,exclusive of <br /> their landings,must „ a c <br /> have a minimum height ' 75:6 <br /> of 34"measured 6 • in c <br /> vertically from the v• = <br /> nosing of the tread_ i, B ', '• ,2 <br /> _ - <br /> --- <br /> fB I <br /> ti ,d <br /> , ... OPEN RAILING TYPES $> <br /> .$ <br /> A: A sphere 6"in diameter cannot go <br /> pass through o <br /> d <br /> B: A sphere 4"in diameter cannot 3 s�L° <br /> pass through Eb o) <br /> Grade or floor level C: A sphere 4-318"in diameter S a g. <br /> \‘ cannotpass through 01 g <br /> Figure 1: Guard Elevation (IRC R312) <br /> Requirements <br /> ❑ Guards shall comply with IRC R312.1; refer to Figure 1 for major requirements. <br /> ❑ Guards shall be structurally designed to comply with IRC Table R301.5 (i.e., designed for a <br /> 200-pound load in any direction along the top and a 50-pound point load elsewhere). <br /> ❑ For glass guards or guards with glazing, see IRC R308.4.4. <br /> January 22,2021 MyBuildingPermit.com I Residential Handrails 1 <br /> eCityGov.net <br /> 2005.s eCMyGovAlhance <br />