What is the requirement regarding the slope of an access route per the code?

The correct requirement regarding the slope of an access route is that it should not be greater than 1:12.5. This standard is established to ensure that access routes are manageable and usable for individuals, particularly those with mobility challenges. A slope of 1:12.5 translates to a rise of 1 unit for every 12.5 horizontal units, which provides a gradient that facilitates safe and accessible travel for all users.

This requirement is crucial in public building codes and regulations, which aim to create environments that are accessible to everyone, including people with disabilities. A slope that is too steep can create significant challenges, increasing the risk of accidents and making it difficult for individuals using wheelchairs or other mobility devices to navigate safely.

The other options represent slopes that are steeper than the code allows, which would not meet accessibility standards and could pose hazards to users. Establishing a maximum slope limit is a vital part of designing compliant and safe access routes in buildings and sites.