Free CPSI Layout and Site Design Requirements (Use Zones) Questions and Answers — Questions and Answers
Question 1: For a to-fro swing with a pivot point 8 feet above the surfacing, what is the minimum required use zone dimension in front of and behind the swing?
- 8 feet.
- 12 feet.
- 16 feet. (Correct answer)
- 24 feet.
Correct answer: 16 feet.
The use zone for a to-fro swing extends a minimum distance of twice the height (2 x H) of the pivot point in front of and behind the swing's at-rest position. In this case, 2 x 8 feet = 16 feet. This large, clear area is necessary to accommodate the full arc of the swing and prevent collisions.
Question 2: What is the minimum use zone required around a piece of stationary play equipment, such as a spring rider?
- 3 feet in all directions.
- 6 feet in all directions. (Correct answer)
- 4 feet in all directions.
- 8 feet in all directions.
Correct answer: 6 feet in all directions.
ASTM F1487 requires a minimum use zone of 6 feet (72 inches) in all directions from the perimeter of stationary equipment. This provides a clear space for children to circulate around the equipment and a safe fall zone if a child falls off.
Question 3: Under which condition is the overlapping of use zones generally NOT permitted?
- Between two adjacent spring riders.
- Between two adjacent stationary climbers.
- Between the exit of a slide and the use zone of a swing. (Correct answer)
- Between a balance beam and a stationary climber.
Correct answer: Between the exit of a slide and the use zone of a swing.
The use zones for equipment with forced movement, such as swings, slides, and merry-go-rounds, should not overlap with each other or with the use zones of stationary equipment. The unpredictable nature of a user exiting a slide or swinging makes this overlap particularly hazardous.
Question 4: What is the minimum required length of the use zone at the exit of a slide?
- 4 feet from the end of the slide chute.
- 6 feet from the end of the slide chute. (Correct answer)
- A distance equal to the height of the slide platform.
- A distance equal to twice the height of the slide platform.
Correct answer: 6 feet from the end of the slide chute.
The use zone must extend a minimum of 6 feet (72 inches) from the end of the slide's exit chute. This provides adequate space for a child to exit the slide and move away before the next user comes down, preventing collisions and injuries.
Question 5: For a merry-go-round, how far must the use zone extend from its perimeter?
- 4 feet from the perimeter.
- 8 feet from the perimeter.
- 6 feet from the perimeter. (Correct answer)
- 10 feet from the perimeter.
Correct answer: 6 feet from the perimeter.
The use zone for rotating equipment like a merry-go-round must extend a minimum of 6 feet from the perimeter of the equipment. This space accounts for children who may fall or be thrown outward due to the rotational force.
Question 6: A playground has a composite structure with a fall height of 7 feet. The use zone around it must be filled with:
- An approved protective surfacing material with a critical height rating of at least 7 feet. (Correct answer)
- Any type of grass or topsoil.
- Compacted earth or asphalt.
- At least 6 inches of pea gravel, regardless of fall height.
Correct answer: An approved protective surfacing material with a critical height rating of at least 7 feet.
The entire use zone beneath and around equipment where a fall is possible must be covered with a protective surfacing material. This material must have a critical height rating equal to or greater than the fall height of the equipment to adequately cushion a fall and prevent serious head injuries.
Free CPSI Layout and Site Design Requirements (Use Zones) Questions and Answers
For a to-fro swing with a pivot point 8 feet above the surfacing, what is the minimum required use zone dimension in front of and behind the swing?