Building Code Administrators and Inspectors Florida Principle and Practice Licensure Practice Exam

What is the term used for space under an element between 9 inches and 27 inches above the finish floor?

1. Toe clearance

2. Vertical clearance

3. Knee clearance

4. Turning space

The correct answer is: Knee clearance

The term that describes the space under an element that is positioned between 9 inches and 27 inches above the finished floor is known as knee clearance. This space is particularly important for accessibility, allowing individuals who use wheelchairs or have other mobility impairments to approach and maneuver beneath elements such as sinks, tables, or counters. Knee clearance is crucial in design to ensure that individuals can comfortably access these elements without obstruction. It is distinct from other clearance terms, which may refer to different spatial requirements. For example, toe clearance typically relates to the space below an element that allows room for the toes of a person standing or sitting nearby, while turning space refers to an area that must be large enough for a person in a wheelchair to turn around. Vertical clearance is more general and pertains to the height available under a structure or element without specific reference to the measurements that define knee clearance. Thus, knowing the specific dimensions and context of knee clearance is essential in designing compliant and accessible spaces.