Page 8
Safety Surfacing Chart
Table – Critical heights (in feet) of Tested Materials
These directions are written based upon a depth of 12” of
resilient surfacing.
Do not forget to calculate the compressed resilient surfacing
depth needed and adjust your “dirt grade height” accordingly.
Chart taken from The Handbook for Public Playground Safety
written by the U.S. Consumer Product Safety Commission
(CPSC) page 5 (www.cpsc.gov).
Material
Uncompressed
Depths
Compressed
Depths
6” 9”
12” 9
“
Wood
Chips
4 10
11 10
Double
Shredded
Bark Mulch
6 10
11 7
Engineered
Wood
Fibers
6 7
>12 6
Fine Sand
5
5
9
5
Course
Sand
5 5
6 4
Fine Gravel 6
7
10
6
Medium
Gravel
5 5
6 5
Shredded
Tires
10-
12
N/A
N/A N/A
Summary of Contents for Ray 2
Page 1: ...Page 1 800 727 8180 www sportsplayinc com 911 110 N Model Ray 2...
Page 12: ...Page 12 Footing Diagram...
Page 14: ...Page 14 Side view of installed post...
Page 22: ...Page 22...
Page 35: ......
Page 39: ...Page 39 1 2 3 4...
Page 40: ...Page 40 5 6 7 8...
