Ch7 Ladder Company Operations Flashcards Preview

Fire Officers Handbook Of Tactics > Ch7 Ladder Company Operations > Flashcards

Flashcards in Ch7 Ladder Company Operations Deck (40)
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0
Q

What three basic tools will be required at almost all structure fires?

A

Forcible entry bar, flathead axe, and some type of hook or pole.

1
Q

What does LOVERS U stand for?

A
L-Laddering
O-Overhaul
V-Ventilation
E-forcible Entry
R-Rescue
S-Search
U-control of Utilities
2
Q

What is the single most important factor affecting ladder selection?

A

Length

3
Q

NFPA requires how many feet of ground ladders?

A

168’

4
Q

What is the nested length of a 2 section 35’ ladder?

A

20’

5
Q

What is the estimated distance from floor to floor of a residential building?

A

9’

6
Q

What is the estimated distance from floor to floor of a commercial building?

A

12’

7
Q

Average windowsill height is how far above the floor, and the average window is how tall?

A

Windowsill 3’ from the floor with windows being an average of 4’ tall.

8
Q

What is the proper climbing angle for a portable ladder?

A

About 70 degrees

9
Q

At a 70 degree angle, about 6% of a ladders total length is lost. The remaining 94% is called what?

A

The working length

10
Q

A 13’ reach is required to reach what floors windowsill?

A

2nd

11
Q

How do you estimate the proper distance away from the building to place the butt of your ladder to gain the proper climbing angle?

A

Estimated working height divided by 4.

12
Q

When venting a window from a ladder, where do you place the tip of the ladder?

A

Even with the top of the window frame on the upwind side.

13
Q

If entering or exiting through a window, where do you place the tip of the ladder?

A

Just at or below the windowsill.

14
Q

What does NFPA 1932 require on each section of aluminum and fiberglass ladders?

A

Heat indicating labels.

15
Q

At what temperature do the heat indicating labels on ladders change color?

A

300 degrees

16
Q

Why is the design load of firefighting ladders 750 lbs?

A

Because it usually takes two firefighters to remove a single unconscious person. 250 lbs per person.

17
Q

What is the narrowest width our ground ladders can be?

A

16”

18
Q

A platform attached to a boom with a built in waterway and a side less escape ladder is known as a what?

A

Tower ladder

19
Q

When raising an aerial to the roof, how far should the ladder extend above the level of the roof?

A

At least 5 rungs.

20
Q

How far should the ladder itself remain out from the building?

A

1”-2”

21
Q

How far should you keep aerials away from wires?

A

10’

22
Q

When placing a platform to the roof, with no parapet wall, where should it be placed?

A

Place the basket over the building so that it is just resting on the roof.

23
Q

When placing a platform to the roof of a building with a parapet wall of moderate height (3-6 ft), where should it be places?

A

Place the top rail of the platform basket just slightly above the top of the parapet.

24
Q

When placing a platform to the roof of a building with an unusually high parapet wall, over 6 ft, where should you place the platform?

A

It is best to relocate the platform.

25
Q

When positioning platforms for rescue, how should you spot?

A

With the basket inline with the victim.

26
Q

When positioning aerial ladders for rescue, how should you spot?

A

With the turntable in line with the victim.

27
Q

What is the width of most aerial ladders?

A

20”-24”

28
Q

Why should you place the tip of the aerial ladder just below the windowsill?

A

To leave most of the window free for access.

29
Q

The amount of surface area that may be physically contacted by an aerial device is the definition of what?

A

Scrub area.

30
Q

What is the 15-sec. 2-min rule?

A

If a firefighter can leave his bare hand on the surface for 15-20 seconds without undue discomfort, there is no immediate need to open the wall. That same firefighter rechecks that spot in 2 minutes. If it feels the same or is hotter, open the wall.

31
Q

What 5 senses do you use during post control overhaul?

A

Sight, hearing, touch, smell, common sense.

32
Q

What is the NFPA standard for use, maintenance, and service testing for fire dept ground ladders?

A

NFPA 1932

33
Q

After raising a ground ladder to the proper height, what do you do with the halyard?

A

Tie it to the bed section to prevent retraction of the ladder.

34
Q

What color of ash from normal class A combustibles is still hot enough on the surface to reignite?

A

White or grey

35
Q

At what temperature does human skin begin to develop burns?

A

120 degrees F

36
Q

At what temperature do common combustibles begin to ignite?

A

400 degrees F

37
Q

What is the least used sense in overhaul?

A

Smell

38
Q

Where is the best position for a FF to be standing when he begins to pull ceiling?

A

In the doorway of the room, incase the entire ceiling comes down.

39
Q

When does salvage begin?

A

The moment of arrival.