| http://www.w3.org/ns/prov#value | - Section 4.5.1 of ADAAG states that ???ground and floor surfaces along accessible routes and in accessible rooms and spaces including floors, walks, ramps, stairs, and curb ramps, shall be stable, firm, slip-resistant . . .??? The appendix to the section provides information on the measurement for slip resistance and the challenges inherent in assessing slip resistance on site.
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