<p>This architectural drawing is Top view of ramp with detailing. In this drawing there were total length of stair is 38700mm. If the slope of a ramp is between 1:12 and 1:16, the maximum rise shall be 30 inches (760 mm) and the maximum horizontal run shall be 30 feet (9 m). If the slope of the ramp is between 1:16 and 1:20, the maximum rise shall be 30 inches (760 mm) and the maximum horizontal run shall be 40 feet (12 m). For more details and information download the drawing file.</p>