IMPACT AREA Flashcards

1
Q

What is the max height you can fall from

A

3m measured from foot or seat

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2
Q

What is the max height measurement if it is from a hanging position

A

3m from hand

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3
Q

If climbing where is the max height measured from

A

If climbing this is measured 4m from hand and 3m from foot

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4
Q

What is min the gap around a fire pole?

A

350mm

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5
Q

What is free space

A

the space occupied by the user undergoing forced movement

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6
Q

FS for standing user

A

1.8 x 1m radius

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7
Q

FS for hanging user

A

1.8 x 500 radius (plus 300 above hands)

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8
Q

FS for sitting user

A

1.5 x 1m radius.

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9
Q

If under 600 high does it need impact surface

A

No - unless it is forced movement.

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10
Q

If the fall height is If over 600m what is the calc for fall space

A

2/3 f/h +0.5

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11
Q

If forced movement what cfh is required

A

1m min.

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12
Q

Minimum dimension of impact area - static equipment and moving equipment other than swings, c/w, carousels rockers etc. (think of the graph)

A

1.5 up to 1.5 then apply calc 2/3 x height +0.5.

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13
Q

Can forced movement fall space be overlapped

A

No. But static can.

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14
Q

Can vertical poles or walls be in the falling space?

A

Yes, glancing.

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15
Q

What objects can be in the falling space

A

Equipment to aid balance. Support beams (vert).

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16
Q

Can free space be intersected by paths?

A

No.

17
Q

What depth of loose fill is needed for a 3m fall

A

300mm installed at 400mm to allow for displacement

18
Q

What height is turf/topsoil ok for

A

1m

19
Q

What size gravel is OK

A

2-8mm grain size

20
Q

What size bark is OK

A

20-80mm

21
Q

What size sand is OK

A

0.2- 2mm

22
Q

What size wood chip is OK

A

5-30mm

23
Q

If a platform adjacent is over 1m height does it need impact attenuation

A

Yes