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NPSI 2018 Spring NRPA > Day 2 > Flashcards

Day 2 Flashcards

1
Q

Surfacing guide?

A

ASTM F2223

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2
Q

ASTM 1292

A

Think triax. Establishes impact attenuation performance criterion for playground surfacing material

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3
Q

G-Max

A

Max acceleration of a missile (head) during impact. 200gs

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4
Q

HIC

A

Head injury criteria, a measure of impact severity that combines both the time and energy. 1000 HIC

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5
Q

Critical Height

A

Max height in FULL FEET for a surfacing system that falls in accordance with F1292. How much the surfacing can take.

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6
Q

Fall Height

A

Highest vertical distance between the highest designated play surface of the play equipment

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7
Q

Max height of a see saw?

A

60”

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8
Q

Max and min height of a spring rocker

A

14”-28”

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9
Q

Min fall height for hill slide? And what is the critical height?

A

40” and 48”

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10
Q

Balance beam height for 2-5 and 5-12?

A

12” and 16”

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11
Q

Sliding poles must be how far bellow the highest portion of the pole to determine fall height?

A

60” below the top of the sliding pole

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12
Q

Min fall height for a for 3D net climber?

A

72”

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13
Q

How must a play item be designed to play with to not require protective surfacing?

A

With feet on the ground

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14
Q

Min to fro swing height for belt swings and tot swing?

A

12” and 24”

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15
Q

What is the minimum use zone for a stationary item

A

72”

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16
Q

What is the max height for max overlap of use zone for stationary equipment?

A

Less than or equal 30”.

After 30” half over lap to 108”

17
Q

What 4 items cannot be overlapped

A

Motion area of vertical rotating equipment with radius of more than 20”
Motion area of swings
Standing rocking equipment
Exit region of slides

18
Q

Motion area of horizontal rotating equipment with fall height of > 30” use zone.

A

No overlap with any other use zone.

19
Q

Use zone for a to-fro swing

A

2 times the height from protective surfacing to pivot point. No overlap is allowed

20
Q

Tot swing use zone?

A

Pivot point to seating surface times 2 with no overlap

21
Q

How to set a use zone for a T swing

A

Measure up 60” and over 30” to create an imaginary bay, then apply use zone formula for open seats or bucket seats

22
Q

How to determine tire swing use zone and what is the clearance zone measurement?

A

Clearance zone: Y+30”

Use zone: Y+72” (y is measured from top of sitting surface to pivot point)

23
Q

How to determine the use zone for a combination swing

A

X from surface to pivot point from the seat. Also, y+72” for each seating surface.

24
Q

Sitting spring rockers below 30”

A

Full overlap

25
Q

Standing spring rockers use zone?

A

84” and no overlap

26
Q

Slide use zones?

A

72” on sides of slides.
72”-96” on end matching height of platform the slide is coming off of
No overlap of exit regions with anything else

27
Q

When is the slide use zone able to be overlapped?

A

Permitted for parallel slide bed paths

28
Q

Distance between stepping surfaces for functionally linked play?

A

12” max for 2-5

18” max for 5-12

29
Q

How many definitions of designated play surface?

A

2
One set by manufacturer
One by a 2”x2” square no more than 30 degrees

30
Q

Max and minimum height of spring rockers

A

14” min and 28” max

31
Q

Where do you determine the fall height of upper body equipment from?

A

Maximum height of structure to protective surface

32
Q

Fall height determination on seesaws?

A

Maximum attainable height.

33
Q

What is the only piece of play equipment with a maximum height?

A

Fully enclosed bucket seat. Not to exceed 96” (CPSC)

34
Q

What is the maximum radius of rotating equipment can overlap?

A

20” radius or smaller. Over 20” can not overlap use zones

35
Q

What four items cannot overlap?

A

Vertical rotating equipment with radius > 20”
Swings
Standing rocking equipment
Slide exits

36
Q

Minimum use zone of a spinner without speed limiting requirements?

A

108” (the last 3 feet can be shared use zone)

37
Q

Elements of a Comprehensive Playground Risk Management Plan

A 
Playground Safety Policy
Leadership (Safety Coordinator)
Documentation
Safety Audit
Inspections and Maintenance

NPSI 2018 Spring NRPA (3 decks)

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