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MyBu11di ngPermit.com <br />a service of eCityGovnet Construction Tip Sheet 02 <br />Residential Handrails <br />This tip sheet reflects code requirements of the 2018 International Residential Code (IRC) with <br />Washington State Amendments. <br />Where Required <br />Handrails are required on at least one side of each continuous run of treads or flight with four or <br />more risers. <br />Typical Details <br />Handrails are continuous for <br />the full length of the Bight, <br />Handrails may be interrupted <br />by a newel post at a turn. <br />arars arse <br />fired on not - <br />than one <br />of each <br />inuous run of <br />lis or flight <br />four or more <br />January 22, 2021 <br />r;wal <br />t11-:1 <br />4 4 <br />Handrail ends returned <br />to the wall or terminated <br />in newel posts or safety <br />terminals, , <br />Figure 1: Typical Handrail Elevation (IRC R311.7.8) <br />The handrail may project <br />a maximum of 4-112' into <br />reouired stair width. <br />1-1t2" miinimum <br />Circular handrails not less <br />than 1-114" or more than 2* <br />in diameter. <br />The height of the <br />handra t is measured <br />vertically from the <br />sloped plane adjoining <br />the tread nosing, <br />The grippablo <br />perimeter minimum and 1W <br />maximum, <br />The non -circular <br />handrail cross section <br />is 2-1W maximum. <br />Figure 2: Type I Handrails (IRC R311.7.8.5) <br />MyBuildingPermit.com I Residential Handrails <br />'eCityGov net <br />2M � 44Co vMance <br />M <br />