17 Positioning Aerial Devices

Question 1

If the building is less than five stories tall the engine should park on the side of the street closest to the building and the ladder apparatus should park where

Answer 1

On the outside of the engine

Question 2

If the building is taller than five stories the engine should park on the outside position on the farthest side of the street and the ladder should park where

Answer 2

Closest side of the street

Question 3

For any given situation the proper distance between the objective in the aerial apparatus is the distance that affords

Answer 3

the maximum stability
best climbing angle
and adequate extension

Question 4

What affects the distance that the aerial may be positioned from the building

Answer 4

Condition of the building, collapse hazard

Question 5

Positioning the apparatus in a location that provides the most efficiency for operating on the fire ground

Answer 5

Spotting

Question 6

When should aerial devices be allowed to be parked on soft surfaces

Answer 6

Only as a last resort

Question 7

Ground above underground vaults such as parking structures utility chases drainage culvert’s or basements

Answer 7

Vaulted surfaces

Question 8

What is a good indicator of underground voids

Answer 8

Manhole covers

Question 9

Extreme heat may do what to paved surfaces

Answer 9

Weaken or soften them

Question 10

A visual indicator of a compromised asphalt surface due to extreme heat is

Answer 10

Deleting asphalt, creates a shiny glass like surface

Question 11

Drawbacks of positioning aerial device nose up a hill

Answer 11

Rear compartments harder to reach.

Rear tires off ground, less resistance to sliding

Question 12

Drawback to positioning aerial rear up a hill

Answer 12

Easier to reach ground with ladder

Front tires lifted, bend frame hard to stow ladder

Question 13

Moderate to high winds impose what type of load on the aerial device

Answer 13

Dynamic load

Question 14

How should apparatus be placed in Highwinds

Answer 14

A manner that minimizes extension.

Aerial device position over front or rear of apparatus parallel to wind direction

Question 15

How far should the aerial device be from powerlines energized at 600-50,000 V

Answer 15

10 feet

Question 16

How far should aerial device is be from power lines that are 50,000 V or more

Answer 16

50 feet

Question 17

If you call becomes energized is safer to do what

Answer 17

Stay on or in the vehicle

Question 18

If you must leave a vehicle that has been energized it must be done under what circumstances

Answer 18

To be a cold becomes a fire hazard

Question 19

How do you jump from an energized vehicle

Answer 19

Jump clear from it and try to land on both feet falling forward

Question 20

Apparatus is most stable when the aerial device is operated directly over

Answer 20

The front or back of the vehicle

Question 21

The greatest stability and a tiller occurs when it is jackknifed approximately how many degrees

Answer 21

60°

Question 22

Good tiller stability occurs when it is jackknifed up to how many degrees

Answer 22

60-90°

Question 23

Beyond what degrees does stability decreasing rapidly when jackknifing a tiller

Answer 23

Beyond 90°

Question 24

Stress tends to be greater when the aerial device is in

Answer 24

Motion

Question 25

Stress in the aerial device is increased when the ladder rungs are operated perpendicular to the ground or when the apparatus is parked

Answer 25

On an incline and the device must operate off the side of the apparatus. Creating torsion of the ladder

Question 26

When approaching from the uphill side the apparatus should position how

Answer 26

Drive past fire building with aerial device operating over rear of truck

Question 27

When approaching from the downhill side the apparatus should be positioned how

Answer 27

Stop short of the building with aerial device operating over front of truck. Optimal position

Question 28

The maximum loading for any unsupported aerial device occurs when operating at angles between

Answer 28

70 and 80° from horizontal

Question 29

True false the apparatus should be shut down if it is solely used for providing additional support personnel

Answer 29

True

Question 30

If water is not available above grade or on an overpass how can water be brought to the scene

Answer 30

Ladder attaches to hydrant below grade or on the street below overpass stretch line up aerial

Question 31

Apparatus should be positioned at an angle so that the operator side is

Answer 31

Protected from traffic

Question 32

The front wheel should be turned away from firefighters working on Highway incidents so that

Answer 32

If struck from behind it will not be pushed into them

Question 33

True false close at least one lane next to the incident lane on highways

Answer 33

True

Question 34

A second apparatus should be considered for parking behind the initial barrier to act as an additional. How far away

Answer 34

150-200 feet

Question 35

At night a minimum number of warning lights should be used to prevent

Answer 35

Blinding or distracting other drivers

Question 36

Most Railway Co. is advise the vehicles be capped at least how far from the tracks whenever possible

Answer 36

At least 25 feet

Question 37

Aerial device it should be positioned where in regards to railway lines

Answer 37

Same side as incident

Question 38

If an aerial device needs to be parked on the opposite side of the incident across railroad tracks what should be done

Answer 38

Make sure rail away traffic has been halted. Keep device at least 25 feet above level of tracks as safety precaution

Question 39

If possible during a medical where should apparatus be parked

Answer 39

Off the street

Question 40

True false residential driveways and the yards are recommended as stable services for parking apparatus

Answer 40

Faults

Question 41

Buildings that have been subjected to extensive fire damage or buildings in poor condition before the incident may be subject to

Answer 41

Falling debris or collapse

Question 42

The collapse on is equal to how many times the building height

Answer 42

1.5 times

Question 43

Indicators for unstable buildings and potential collapse hazard

Answer 43

``` Bulging wall . Sagging roof . Large cracks in exterior Falling bricks. Internal collapse ```

Question 44

During hazmat incident to not park over manholes or storm drains because

Answer 44

Flammable liquid may flow underground it to system ignite and explode

Question 45

Many aircraft accidents occur away from

Answer 45

Paved surfaces

Question 46

When operating at storage tank fires apparatus should never be placed or spotted inside

Answer 46

Inside of the dike that surrounds the tank

Question 47

Went to aerials responded to a given location the first arriving aerial takes the front of the building and the second goes to

Answer 47

The rear or side depending on access