Entrance Flooring and Walk-Off Systems
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title: Entrance Flooring and Walk-Off Systems
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## The accessibility provisions of ICC A117.1 and the 2010 ADA Standards are mandatory at any entrance on an accessible route and govern grating opening size and orientation, change in level at the perimeter and at transitions, and the requirement for a firm, stable, and slip-resistant surface.
−## Walk-off carpet and fiber-tile inserts are textile floor coverings and shall pass the federal surface-flammability pill test of 16 CFR 1630 (DOC FF 1-70), technically equivalent to ASTM D2859, as a baseline.
+## Flammability of the textile wiper zone is governed by the Flammability — Textile Inserts and Walk-Off Carpet section of this standard, which states the pill-test baseline and the critical-radiant-flux classification. {note}
−## Where the entrance is in or opens onto a corridor or exit regulated by the IBC, the wiper-zone textile is additionally regulated for critical radiant flux per ASTM E648 (technically equivalent to NFPA 253).
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## ANSI A326.3 is the test method for the dynamic coefficient of friction of the hard tread surfaces. {note}
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## Failures arising from a recess formed to the wrong depth or without required drainage, from loads exceeding the grille's rated rolling load, or from maintenance contrary to the manufacturer's instructions are excluded.