Playground test Flashcards
What classifies as a priority 1 hazard?
A readily accessible hazard that could result in death, brain damage, paralysis, etc.
Hazard priority is based on what 3 factors?
- Possibility or accessibility
- Probability of it occurring
- Consequence or level or injury
Standards are based on these ages.
5th percentile 2 year old and 95th percentile 12 year old
What is a completely bounded rigid opening?
Totally enclosed boundaries with the possibility of strangulation due to head entrapment.
Torso probe is based on what measurements?
5th percentile 2 year old
Head probe is based on what measurements?
95th percentile 5 year old
How many projection gauges are used to identify protrusion hazards?
4 gauges
Anything over _______ bolt threads showing may be considered an entanglement hazard.
2 threads
S-hooks should have a gap of no greater than
.04”
Field tool to test for crush and shear hazard on roller slides.
.19” diameter dowel
Field tools to test crush and shear hazards in merry-go-rounds
.30” diameter dowel
Field tool used to test crush and shear hazards for common crush and shear
.62” diameter dowel
Any non rigid component suspended between units or from ground must be _______ inches above the playing surface and ________.
84” and a minimum of 1” wide
Free standing ropes, cables or chains attached at only one end must be no more than ________ long.
7” long (swing chain exception)
Rope, cable or chain must not form loops with greater than _____ inside perimeter.
5”
Maximum ramp slope
1:12
Maximum ramp run without a landing
144”
Elevated accessible routes must have a minimum width of ________.
36”
Landings on a ramp must have a minimum diameter of ________.
60”
Rise for each stepped platform is ______.
8”
Height for transfer platform is _____.
11”- 18”
Handrail height on access/egress stepladders and stairways between ____ and _____.
22” - 38” and hand support needed at the first step
Diameter of handrails should be between ____ and ____.
.95” and 1.55”
To be a designated play surface an elevated surface must be a flat surface measuring at least ______ by _____.
2”x2”
ASTM standard for home playgrounds
F1148
Vertical distance between a designated play surface and the protective surfacing beneath it.
Fall height
Device around an elevated surface that prevents inadvertent falls from the surface.
Guardrail
Rigid linear device to provide balance and support
Handrail
Maximum user of a playground
95th percentile 12 yr old
Minimum user of a playground
5th percentile 2 year old
Swings with both single and multiple axis
Combination swings
Single axis swings
To-fro
Multiple axis swings
Rotating swings
Area beneath and immediately adjacent to equipment or play structure where it is predicted an user would run or land
Use zone
Thickness of partially bounded opening test template
.75”
Width of partially bounded opening template
6.1”
Torso probe thickness
3.5”
Torso probe depth
4”
Torso probe width
6.2”
Partially bounded opening width
6.1”
Suspended members/swing seats minimum radius
.25”
Steps and rungs - spacing tolerance
.25”
Accessible route - maximum vertical rise without 45 degree taper
.25”
Wheelchair accessible platforms - maximum opening
.50”
Accessible route - maximum vertical rise with 1/4” 45 degree taper
.50”
Ramp and barrier without curb - maximum space allowed
1”
Non-rigid component suspended between two play units or between play unit and ground with 45 degree of horizontal - minimum diameter
1”
Partially bounded opening probe - neck width
1.875”
Sliding pole maximum diameter
1.9”
Designated playing surface - minimum width and length less than 30 degrees from horizontal
2”
Wheelchair accessible ramps where guardrails or barriers not extending within 1” of ramp surface; or ramps with two rails and no barrier; or ramps with barrier beyond ramp edge - minimum curb height
2”
Partially bounded opening probe - neck length
3”
Seesaw and spring rocker handgrip intended to be gripped by one hand - minimum length
3”
Spring rocker footrests - minimum length
3.5”
Large projection gauge - outside diameter
3.5”
Slide Sidewall - minimum height
4”
Suspended rope, cable or chain - minimum inside perimeter
5”
Seesaw and spring rocker handgrip intended to be gripped by 2 hands - minimum length
6”
Partially bounded point probe (A) width
6.1”
Torso probe width
6.2”
Slides greater than 48” - minimum exit height
7”
Rope, cable or chain attached at one end - maximum length
7”
Horizontal ladder accessed by rung - minimum horizontal clearance to first rung
8”
Partially bounded opening probe (B) -shoulder width
8.5”
Rotating equipment greater than 20” diameter - minimum clearance between platform and surface
9”
Horizontal ladder rungs for children greater than 4 years - minimum space
9”
Horizontal ladder accessed by rung - maximum horizontal clearance to first rung
10”
Slides less than 48” high - maximum exit height
11”
Slide exit region - minimum length
11”
Accessible transition platform - minimum height
11”
Balance beam (2-5 yr) maximum height
12”
Slides (2-5 yr) - minimum slide chute width
12”
To-fro swing seats - minimum clearance from seat to surface
12”
Stepping forms (2-5 yr) - maximum distance between forms
12”
Adjacent platforms (2-5 yr) - maximum height without access component
12”
Wheelchair ramps with barriers - minimum lower handrail height
12”
Rotating equipment (2-5 yr) - maximum standing surface
14”
Spring rockers - minimum seat height
14”
Slide transition platform - minimum depth
14”
Slides greater than 48” high - maximum exit height
15”
Horizontal ladders (5-12 yr) - maximum rung spacing
15”
Moveable hanging rings and rungs - maximum distance between pivot point and bottom of handgrip device
15”
Wheelchair ramps w/ barriers - maximum upper handrail height
16”
Balance beam for children 5-12 - maximum height
16”
Slides (5-12 yr) - minimum slide chute width
16”
Upper body equipment (2-5 yr) - maximum landing structure height
18”
3-D net climber (2-5 yr) - maximum clear vertical path diameter
18”
Sliding pole - minimum distance from structure
18”
Rotating equipment (2-5 yr) - max standing surface
18”
Log roll - maximum roller height
18”
Accessible transfer platform - maximum height
18”
Adjacent platforms (5-12 yr) - maximum height without an access component
18”
3-D net climber (5-12 yr) - maximum clear vertical path diameter
20”
Sliding pole - maximum distance from structure
20”
To-Fro swing hangers - minimum splay distance
20”
Slide non-entanglement/clearance zone - minimum side clearance
21”
Handrail minimum height
22”
Tube slides - minimum interior diameter
23”
Fully enclosed bucket swing seat - minimum clearance from seat to surface
24”
To-fro swings - minimum horizontal clearance between adjacent swing chains, measured 60” above surface
24”
Wheelchair ramp - maximum length for width reduction (32-36”)
24”
Wheel chair ramp with barriers - minimum upper handrail height
26”
Wheelchair ramp with barriers - maximum upper handrail height
28”
Spring rockers - maximum seat height
28”
Wheelchair parking space - minimum width
30”
To-fro swings - minimum horizontal clearance between support structure and swing chain, measured 60” above surface
30”
Slide exit region - minimum radius of curvature
30”
Rotating swing - minimum clearance zone
Y+30
Y=vertical distance between pivot point and top of swing seat
Wheelchair ramp- minimum width reduction (24” max length)
32”
Track ride elevated landing structure - minimum width
32”
Upper body equipment for children 5-12- maximum landing structure height
36”
