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Aa 'MyBuildingPermit.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 r's.-. Solid guard <br /> See handrail Tip Sheet#2 for <br /> applicable handrail information. \\ <br /> x! fir <br /> ,,- . - , C fti <br /> ,c — 8 <br /> The top of guards for— y a <br /> Stairways,exeiusiveof \ L <br /> their landings,must. <br /> have a:.minimn height \, os-5 <br /> u <br /> of 4"measured i*r . +n e <br /> vertically from the �.�-- F:, -% <br /> nosing of the tread. ' B it <br /> e <br /> f <br /> ,. } ( B `L <br /> P < - <br /> -k A ,F <br /> ,, „ OPEN RAILING TYPES5 <br /> M r A: A sphere 6"in diameter cannot w <br /> pass through mlb <br /> ,g7c ar <br /> El;. A sphere 4"In diameter cannot <br /> pass through 'tag.{ <br /> G <br /> Grade or floor level \ G: A sphere 4-31 in d iameter - <br /> cannot pass through <br /> Figure 1: Guard Elevation (IRC R312) <br /> Requirements <br /> O 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 /> O For glass guards or guards with glazing, see IRC R308.4.4. <br /> January 22,2021 MyBuildingPermit.com I Residential Handrails 1 <br /> _,, 1'eCityGov.rret <br /> 2005 aClryGcwJHance <br />