accessible entry and exit doors and exit access travel distance (sec. 1017)

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    Chelsea Hoffman

    I’ll try and answer your questions as best I can.

    I’m not sure if your first question is in regard to how many entry and exit doors are required to be ADA accessible purely for public access to a building or for egress purposes. If it’s the former I believe it’s 60% (see section 1105 of the 2015 IBC and section 206 of the 2010 ADA standards). If it’s the latter, I believe all egress routes need to be accessible. You wouldn’t want a handicapped person trying to figure out which path they need to take in the event of an emergency.

    My understanding is that exit access, exits, and exit discharges are the three components that make up the “means of egress”. Travel distance is the maximum distance from the most remote point in a space to the beginning of the closest exit enclosure. Common path of travel is the path all occupants traverse before two separate paths become available.

    Section 5.1 of Architects Studio Companion (5th edition) explains all of this really well and has helpful diagrams. If you don’t already have this book, I think it’s available for free on archive.org. It’s a great resource and will be super helpful for PPD and PDD.

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