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Fire Everything > Chapter 12 Ladders > Flashcards

Chapter 12 Ladders Flashcards

1
Q

NFPA for ladders design

A

1931

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2
Q

1931 folding ladders weight requirements

A

300lbs 136kg

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3
Q

1931 for single, roof, combination and extension ladders weight

A

750lbs 340kg

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4
Q

NFPA 1932

A

Ladder maintenance service and testing

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5
Q

Bed section

A

Lowest/widest part of ladder

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6
Q

Pawls

A

Also dogs or ladder locks

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7
Q

Pros cons metal ladders

A

Cheapest, repairable, variable sizes and types

Cons - conduct heat cold electricity, fail suddenly at 200F 93.33C, ice accumulate

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8
Q

Wood ladders pros and cons

A

Doesn’t conduct, strong when hot, resistance to flex, durable
Cons, expensive, heavy,

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9
Q

Fiberglass pros and cons

A

Doesn’t conduct, strong

Cons - suddenly crack when overloaded, can burn

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10
Q

NFPA 1931 requirements

A

Designated ladder length marked on each beam within 12 inches of butt plate
Manufacturers name with month and year it was made
Balance point and butt MAY be painted on
*don’t paint wood ladders for fear of covering damage
Electrical hazard warning
Ladder positioning label indicating climbing angle
Heat sensor labels - 300F or 149C, insid of each beam below the second rung from tip of section. Must have expiration date on heat sensors

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11
Q

5 types of ladders

A 
Single
ROof
Folding
Extension
Combination
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12
Q

Singe ladder

A

One non adjustable length
AKA wall or straight ladder
6-32 ft, most commonly 12-24

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13
Q

Roof ladders

A

Single ladders with folding hooks for standing on roofs
Can be used as wall ladders
12-24 ft

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14
Q

Folding ladders

A

Single ladders often for interior attic access. Hinged rungs so one rung can nestle in the other while folded.
8-16ft most commonly 10ft
Footpads on butt required
Pinch points

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15
Q

Extension ladders

A

12-39ft

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16
Q

Combination ladders

A

A frame, single or extension ladder. 8-14ft most commonly 10ft

17
Q

NFPA 1901

A 
Standard for automative fire apparatus
A pumper requires
One single (roof) ladder with roof hooks
One extension ladder
One folding ladder
No minimum lengths but recommends 35ft extension ladder if no ladder truck around
Aerials need 115ft of ground ladders.
One folding
Two single
Two extension 
Quints (pumper on aerial)
85ft of ground ladders
One folding
Two single
Two extension
18
Q

NPFA 1932 ladder inspection

A

Required each use and monthly

19
Q

1932 service testing ladders

A

Before being put into use
Annually while in use
After any exposure to heat or rough tx

20
Q

Painting ladders

A

Only top and bottom 18 inches for identification or visibility

21
Q

Raising a ladder

A

distance from wall 1/4 distance of height

75 degrees

22
Q

Ladder height

A

Second story window 20-28ft

Second story roof 28-35ft

23
Q

Ladder placement

A

Just below windowsill for windows
3-5rungs above roof edge
Tip of the window and windward (upwind) side for narrow windows
If parapet 6ft plus may need an extra ladder to get down/back up
beside windows for ventilation

24
Q

Reach vs height

A

Over under 35 ft

Reach less than height by 1 ft under and 2 ft over

25
Q

Ladder direction

A

Butt first except roof ladders can be butt or tip first with hooks closed

26
Q

Electrial

A

Ladder must be 3m away from any electrical hazard at all times

27
Q

Fly in or out

A

In general, all modern fiberglass and metal are designed for fly OUT
Wood ladders with rungs mounted in top truss rail are intended for fly in

28
Q

Tye off halyard

A

Clove hitch with overhand safety. For rescue/time-sensitive don’t need to tie off just place it out of the way

29
Q

Raising a ladder

A

Person at the butt calls the shots

3ffers for 35ft plus - one person heels ladder two-three people raise

30
Q

Shifting ladders

A

1 ff if 20ft or less

Fire Everything (14 decks)

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