Stairs Flashcards

0
Q

Newel

A

A main post supporting the handrail

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1
Q

Balusters

A

Support the handrail

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2
Q

Minimum headroom

A

6’8”

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3
Q

Horizontal member of stairs

A

Tread

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4
Q

Rounded tread projection

A

Nosing

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5
Q

Top of one tread to the next

A

Rise

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6
Q

Riser

A

Vertical face of stairs

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7
Q

Top of one tread to another

A

Rise

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8
Q

Run

A

Face of one riser to the next

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9
Q

Total rise

A

Distance fronm one floor to the next

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10
Q

Total run

A

Total horizontal length

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11
Q

Stringer

A

Supports treads and risers

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12
Q

Housed stringer

A

Routed to receive treads and risers

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13
Q

Main stairs width

A

3’

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14
Q

Minimum riser height

A

7”

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15
Q

Ratio of riser:tread

A

7-1/2”:10-1/2”

16
Q

Stair slope

A

Between 30 and 35 degrees

17
Q

Sum of two risers and one tread

A

25”

18
Q

Sum of one riser and one tread

A

17”-18”

19
Q

Handrail height

A

30” to 38” above tread nosing

20
Q

Handrail finger space

A

1-1/2” to 3-1/2”

21
Q

Handrail strength

A

Able to resist 200 pounds at any point

22
Q

Guardrail height

A

36”

23
Q

Baluster spacing

A

So that a 4” ball couldn’t pass through it