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ADAAG Manual

Note: This document, portion of document or referenced document was published prior to the 2010 ADA Standards, and is still applicable.

Exterior Surfaces

Materials such as gravel, wood chips, or sand which are often used for outdoor walkways are neither firm or stable nor are they generally considered slip-resistant. However, some natural surfaces, such as compacted earth, soil treated with consolidants, or materials stabilized and retained by permanent or temporary geotextiles (mesh), gridforms, or similar construction may perform satisfactorily for persons using wheelchairs and walking aids.

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