M303.3.3.1 Running Slope.
Ramp runs shall have a running slope not steeper than 1:12.
EXCEPTION: A running slope not steeper than 1:8 shall be permitted for ramp runs with a maximum height of 2 ½ inches (64 mm).
Ramp runs shall have a running slope not steeper than 1:12.
EXCEPTION: A running slope not steeper than 1:8 shall be permitted for ramp runs with a maximum height of 2 ½ inches (64 mm).
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