What slope is considered a ramp under the California accessibility requirements?

The correct slope for a ramp under California accessibility requirements is 1:12, corresponding to an 8.33% gradient. This standard is based on ensuring that ramps are accessible and safe for individuals with disabilities, as steeper slopes can be difficult or impossible for some users, particularly those who may be using wheelchairs or other mobility aids.

A ramp with a slope of 1:12 allows for a manageable incline, enabling individuals to ascend or descend safely. This gradient ratio is widely recognized in accessibility guidelines, including the Americans with Disabilities Act (ADA) and California's Accessibility Standards.

While a 1:20 slope offers a gentler incline, it is not categorized as a ramp but rather as a maximum slope for accessible paths of travel. Therefore, although it may provide a more gradual slope, it does not meet the specific requirements for a ramp defined by accessibility standards. Other steeper slopes, such as 1:15 and 1:10, are also not permissible for ramps aimed at providing accessible routes as they exceed the recommended gradient for safe use.