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ICC/ANSI A117.1-2003 Chapter 4.Accessible Routes <br /> Chapter 4. Accessible Routes <br /> 401 General 402.3 Revolving Doors, Revolving Gates, and <br /> Turnstiles. Revolving doors, revolving gates, and <br /> 401.1 Scope. Accessible routes required by the turnstiles shall not be part of an accessible route. <br /> scoping provisions adopted by the administrative <br /> authority shall comply with the applicable provisions 403 Walking Surfaces <br /> of Chapter 4. <br /> 403.1 General.Walking surfaces that are a part of <br /> 402 Accessible Routes an accessible route shall comply with Section 403. <br /> 402.1 General.Accessible routes shall comply with 403.2 Floor Surface. Floor surfaces shall comply <br /> Section 402. with Section 302. <br /> 402.2 Components. Accessible routes shall con- 403.3 Slope.The running slope of walking surfaces <br /> sist of one or more of the following components: shall not be steeper than 1:20.The cross slope of a <br /> Walking surfaces with a slope not steeper than 1:20, walking surface shall not be steeper than 1:48. <br /> doors and doorways, ramps, curb ramps excluding 403.4 Changes in Level. Changes in level shall <br /> the flared sides, elevators, and platform lifts. All comply with Section 303. <br /> components of an accessible route shall comply <br /> with the applicable portions of this standard. 403.5 <br /> s lael ar comply Width. <br /> Clear <br /> with Tab ewidth <br /> of an accessible <br /> routTable 403.5—Clear Width of an Accessible Route <br /> Segment Length Minimum Segment Width <br /> <24 inches(610 mm) <br /> 32 inches (815 mm)1 <br /> >24 inches (610 mm) 36 inches (915 mm) <br /> 1 Consecutive segments of 32 inches(815 mm)in width must be separated by a route segment 48 inches(1220 mm)minimum in length <br /> and 36 inches(915 mm)minimum in width. <br /> 24 max / 48 min / 24 max <br /> 610 1220 610 <br /> \ \ <br /> • <br /> I .4"11=" <br /> u <br /> c a Eu' cu" <br /> co <br /> coca co <br /> coCh co —���-1 <br /> a — �� <br /> — <br /> \ \ <br /> \ <br /> Fig.403.5 <br /> Clear Width of an Accessible Route <br /> 15 <br />