Chapter 5: Ground Ladders

Question 1

Ground ladders maybe need it for any or all of the following

Answer 1

• Gaining access two outside of burning building
• Reaching lockboxes
• Reaching windows
• Accessing roofs

Question 2

The following are the most common types of ground that is currently in use

Answer 2

• Single (straight) ladders
• Roof ladders
• Folding (attic) Ladders
• Extension ladders
• Combination ladders

Question 3

Prior to selecting and positioning ground ladders a number of factors should be considered. The most critical factors are?

Answer 3

• primary objectives (rescue, window, or roof access)
• Fire size and location
• Current and expected fire behavior

Question 4

The ideal climbing angle for ground ladder is__degrees from horizontal

Answer 4

75 degrees

Question 5

Angle is less than 75°, the distance between personnel on the ladders should?

Answer 5

Be increased

Question 6

The keys to safe and effective ladder handling are?

Answer 6

Fitness, technique, and practice both individually and as a team

Question 7

To develop and maintain sufficient upper body strength firefighters must participate in a weight training program with elements of the following

Answer 7

• Hands (grip strength)
• Arms (Lifting,pushing/pulling)
• Shoulders (overhead lifting, pushing/pulling)
• Upper and lower back (overall stability)

Question 8

Adequate upper body strength is needed to properly handle

Answer 8

Ground ladders

Question 9

If a fire department chooses to use a non-standard technique for handling ladders, the technique should be?

Answer 9

Thoroughly tested under controlled circumstances before being used on the fire ground.

Question 10

Ladders position for Rescue should be placed_______with the window and slightly below the seal.

Answer 10

Mid-line

Question 11

Ladder position for VENTILATION should be placed on the________side of the window.

Answer 11

Windward

Question 12

While vertical ventilation is not the only reason for using ladders to access the roof of a burning building, it is the most frequent. Other reasons for using ladders to access roofs are?

Answer 12

• Performing rescues from rooftops
• Checking for spot fires
• protecting the structure
• Gaining a high advantage when applying water to a fire in an adjacent building

Question 13

In the absence of an aerial device, ground ladders are the primary means of gaining access to the roof of a structure up to____stories in Height.

Answer 13

Four stories

Question 14

_________ are constructed using A-frame ladders to channel water from upper floors out of the structure.

Answer 14

Water chutes

Question 15

_______ can be kept off the bottom of a water source doing drafting using ground ladders.

Answer 15

Intake strainers

Question 16

Using bridging the width of the gap should not be more than______the length of the available ladder.

Answer 16

One third

Question 17

How many rungs above a parepet or roof should a ladder be?

Answer 17

3 to 5 rungs

Question 18

How far from a building the butt or base of the ladder must be place to create the ideal climb in angle?

Answer 18

The proper distance can be determined by dividing the used length of the ladder by four.

Question 19

What is the used length of a ladder?

Answer 19

The vertical distance above the ground with a ladder contacts the building

Question 20

Firefighters should use enough_____to safely handle the ladder selected.

Answer 20

Personnel

Question 21

What should firefighters check for before raising any ladder?

Answer 21

Electrical wires in other overhead obstructions

Question 22

Extend ladders to a maximum of___foot above metal railings.

Answer 22

One foot

Question 23

Do not use ground ladders to?

Answer 23

Break windows

Question 24

Tie ladders to secure _________ to prevent unwanted movement.

Answer 24

Anchor points

Question 25

A minimum of___firefighters are required to raise a pole ladder.

Answer 25

4

Question 25

Ladder placement for ventilation.

Answer 25

The tip of the ladder should be even with the upper portion of the window.

Question 25

If a ladder is to be used for entry or rescue through a window the ladder tip is usually placed?

Answer 25

On the midline of the window and slightly below the sill.

Question 26

If the window opening is wide enough to permit the ladder tip to project into it and still allow room beside it to facilitate entry/exit and rescue, the ladder can be place so that it extends?

Answer 26

2 to 3 rungs into the window opening.

Question 27

What ladder placement can be use by firefighters who need to climb in and out of Narrow windows or direct hose streams into them.

Answer 27

The ladder tip should be even with the upper portion of the window, and placed on the windward side.

Question 28

Ladder should be placed to upper floors and the roof not only to provide access, But also to provide a?

Answer 28

A secondary means of egress

Question 29

Creating a ventilation opening in the roof of a burning building is often the safest way to mitigate potential Backdraft conditions and may prevent a?

Answer 29

Flash over from occurring

Question 30

In the absence of an aerial device,_____Are the primary means of gaining access to the roof of structures up to four stories in height

Answer 30

Ground ladders