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` . {- iA'yBuitdingPermit.com <br /> a service of eCityGovnet 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 /> w <br /> See handrail Tip Sheet#2 for <br /> applicable handrail information. <br /> \ ,„: <br /> I --F., ' i t <br /> 7.f <br /> f -$ <br /> f <br /> I: 6 , <br /> The top of guards far— ,:47 <br /> stairways,exclusive of <br /> their tandin9s,must „ at% <br /> have a minimum height <br /> of 34"measured b c <br /> ti <br /> vertically from the <br /> nosing of the tread. rT TE <br /> _B i �. <br /> f f Q 1 <br /> v. .. .i �...e._....e x.�. .a.e w� �a •.as tee. <br /> fr - 3 FFF <br /> fj <br /> 1 t421 <br /> S .1= <br /> '�,� OPEN RAILING TYPES 'g <br /> A: A sphere 6"In diameter cannot to <br /> pass through <br /> la: A sphere 4"In diameter cannot <br /> pass through g g <br /> aio <br /> Grade or floor level \ C: A sphere 4-3f8"in diameter t9 g <br /> cannot pass through <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 /> 0 For glass guards or guards with glazing, see IRC R308.4.4. <br /> January 22,2021 MyBuildingPermit.com I Residential Handrails 1 <br /> `eC., yGovnet <br /> 2005 00400vMiance <br />