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A . m <br /> Bellevue Bothell Burien Duvall Gig Harbor Issaquah Kenmore Kirkland Mercer Island <br /> CONSTRUCTION TIP SHEET 2 <br /> MyBui[dingPermita corn Handrails <br /> Jury 2010 <br /> Mill Creek Renton Sammamish SeaTac Snohomish County Snoqualmie Woodinville <br /> Handrails are continuous for 2009 Codes <br /> the full length of the flight. -- <br /> Handrails may be interrupted / //f//f <br /> by a newel post ata turn. / Wal <br /> A.,. • <br /> \ Handrail ends returned <br /> M \\ to the wall or terminated <br /> in newel posts or safety <br /> kr <br /> terminals. <br /> M <br /> - i . <br /> i <br /> ` The height of the <br /> handrail is measured <br /> I vertically from the <br /> sloped plane adjoining <br /> the tread nosing. <br /> Typical Handrail Elevation <br /> R311.7.7 <br /> jz----- The handrail may project <br /> a maximum of 4-1/2"into <br /> required stair width. <br /> The grippable <br /> 1-1/2"minimum perimeter dimension is <br /> ����,��� �,� 4"minimum and 6-1/4" <br /> .r maximum. <br /> Circular handrails not Iess <br /> than 1-114"or more than 2" % <br /> in diameter. 4 <br /> '� The non-circular <br /> MI 4 <br /> 40.7 handrail cross section <br /> ! ENO <br /> is 2-1/4"maximum. <br /> NOTE: <br /> Type i Handrails see page 2 for <br /> R391.7.7.Z additional handrail <br /> grip shapes. • <br /> GENERAL INFORMATION: <br /> • Consult with your local planning department regarding required setbacks. <br /> • Obtain a building permit before starting construction. <br /> • The intent of this sheet is to address the basics of private residential stair construction only and does not address P CO! 7 <br /> the subject in great detail. Additional information can be found at your local building department,home >/5,. 111/ <br /> improvement store,or library. <br /> • This tip sheet is intended to show code requirements per the 2009 International Residential Code. , eCltyGov net <br /> 2005©eCilyGovAlliance <br />