Denotes Use Zone with Protective Surfacing 6 ft. 6 ft. 6 ft. 6 ft. 6 ft. 6 ft. 6 ft. MIN 8 ft. MAX STEPPING FORMS SLIDE Figure 28. Use Zones for Composite Structure 1 Handbook for Public Playground Safety 5.3.10 Fall height and use zones not specified elsewhere Most playground equipment belongs in one of the categories listed above. If it does not, the following general recommendations should be applied: • The fall height of a piece of playground equipment is the distance between the highest designated playing surface and the protective surface beneath it. • The use zone should extend a minimum of 6 feet in all directions from the perimeter of the equipment. • The use zones of two stationary pieces of playground equipment that are positioned adjacent to one another may overlap if the adjacent designated play surfaces of each structure are no more than 30 inches above the protective surface and the equipment is at least 6 feet apart. • If adjacent designated play surfaces on either structure exceed a height of 30 inches, the minimum distance between the structures should be 9 feet. • Use zones should be free of obstacles. • The use zone should extend a minimum of 6 feet from the perimeter of the supporting structure. This 6-foot zone may overlap that of an adjacent swing structure or other playground equipment structure. 5.3. .5 Protrusions on suspended members of swing assemblies Protrusions on swings are extremely hazardous because of the potential for impact incidents. Nothing, including bolts or other parts, on the front, back, or underside of a swing should stick out more than 1/8 of an inch. See test procedures in Appendix B. 5.3.9 Fall height and use zones for composite structure When two or more complementary play components are linked together in a composite structure (e.g., combination climber, slide, and horizontal ladder), the use zone should extend a minimum of 6 feet from the external perimeter of the structure (see Figure 28). Where slides are attached to a platform higher than 6 feet from the protective surfacing, the use zone may need to extend further in front of the slide (see §5.3.6.5). Figure adapted from ASTM F1
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