Sample question from CASp handbook - what do you think?:
A qualified historical building in California undergoing barrier removal cannot accommodate a ramp with a 1:12 slope to access the main entry. The California Historical Building Code permits a ramp with a slope of 1:10 for a maximum horizontal distance of 5 feet, provided that:
a. an international symbol of accessibility is posted at the ramp.
b. signs are posted at the upper and lower levels indicating the steepness of the slope.
c. directional signs indicating the location of an alternate accessible entrance is provided.
d. a call button is installed at the bottom of the ramp for individuals requiring assistance.