CODEX · ACCESSIBILITY
ADA 2010
What is the maximum running slope of an accessible ramp?
§01ANSWER
The running slope of a ramp run in the accessible route shall not be steeper than 1:12.
Cross slope of ramp runs shall not be steeper than 1:48.
The maximum rise for any single ramp run is 30 inches. Longer rises require intermediate landings.
ArchAI cites the code. It does not stamp the drawing. You do.