Ladders 2 Aerial Ladders Flashcards
Placement of aerial is dependent on 4 things?
Is immediate rescue apparent.
No immediate rescue,size of frontage.
Smoke,heat or fire causing a exposure that would endanger a victim, FF or ladder.
Area/street cond that hamper optimum positioning.
What is the percentage of aerial
ladders in the city?
almost 60%
Who will help LCC in placement of apparatus?
OV
PS He will do this before carrying out assigned duties. At least 1 guide man.
Initial placement officer OR ov
Aerial ladder proper placement from building is?
25 to 35ft from the building
for a good climbing angle.
Average curb is ____ ?
Average street is ___?
13ft
35ft
Line up the center of the _____ with the window, using sidewalk markings.
turntable
Put this in the proper order?
Rotate
raise
extend
Raise
Rotate
Extend
In obtaining accuracy well trained will sight the ladder rail in which section?
Top section
PS less experienced= UNDERSIDE of the ladder beam on top sliding section
Recommended distance from tip to objective is __?
2” to 6”
PS. for rescue use 2” so ladder
will rest against object exception at extreme angle let ladder barely touch.
When placing aerial at window sill tip should be?
Less than 6” over sill.
When only 1 aerial and 2 rescues are needed at 2 different places, position the turntable where?
turntable MIDWAY between locations.
When placing ladder alongside the fire escape the ladder should be ____ inches out with tip 1 to 3 ft above railing
2”
How many feet would be considered a narrow frontage building?
30’ or less in width
PS center turntable to center of building
Ladder companies shall make every effort to maintain access to nearby hydrants to allow for?
In line pumping
Large frontage building is considered, how many feet?
Over 30’
T/F For a large frontage building and no condition, place the apparatus, 15’ from the side wall passed on the approach.
False. place the center of turntable
PS. do not set up unless fire is on this side.
Extensive floor coverage if 2nd ladder comes from the opposite direction 1st ladder position 1st ladder where?
at the near end of the building.
Aerial in the cantilever position generally the max safe distance measured horizontal from tip of aerial to turntable is?
40 ft
PS tip fairly close so under load it will either not touch or barely touch
When venting windows with aerial aim for?
Remember no lateral pressure!
upper window panels,just above sash extend without hitting the sides and tops of the frame.
PS only slight extension through window.
extend and lower.
When man power is available who chocks outboard side?
OV it gives him a better chance
to observe the building he can also
use the spotlight to pinpont a victim
Officer might have used light also.
Who climbs ladder 1st and followed by Who?
OV then LCC.
T/F Movement of the aerial would be justified for great heat or smoke.
False exposure to flame or great heat.
At steeper angles have the victim grasp the _____.
Rungs
PS tell them to look ahead or up
When is removal of the victim considered complete?
When the victim is all the way on the ground
not the turntable. Render first aid until relieved exception unless another rescue is needed.
Order of removal is based on?
time.
PS fire in front fat man !st. opposite for rear fire.
When a member of the forceable entry team is assisting with exterior rescue the remaining FF will bring what tools inside?
Forceable entry tools
extinguisher
PS No hook
There are 3 times when an aerial can be positioned in front of a vacant build fire?
Not completely vacant
officer receives info or prior knowledge of vagrants
100’ aerial is required
PS should still allow positioning of TL
What is the order to remove victims?
ACRO: I have 5 little rats
interior,horizontal,fire escape,ladder,lsr
Who ensures proper repositioning of apparatus when fire is under control?
The officer
When transversing a hose line it must be done ___.
slowly.
Aerial ladder LCC should remain on turntable for 2 situations?
a floor over HEAVY fire.
the roof of a building with Heavy fire
PS Look for the word HEAVY
When finished with aerial what is the proper procedure for moving aerial?
Raise the bed then
Extend the fly
in this order to release rung locks
before retracting
If street has severe crown make sure ladder angle does not exceed _____?
70 degrees
When supplying aerial with water, how many sources are recommended?
2
T/F For horizontal sweep of aerial, open the proper hydraulic lock valve or use the crank handle?
False, CRACK the proper
PS. That was on a previous test not open but crack lock
When giving a warning with an exterior stream into a building, how is it done?
Sweep horizontal into windows WITHOUT
hesitation or stopping
When placing aerial to roof the tip should be at least _______ above the point where the ladder comes in contact with the roof>
5 ft
When climbing the aerial with the hook as we know it is not carried, when do u reposition the hook on the aerial?
top of hook is about level with the knee
PS he carries a set of irons
What other FF should have working knowledge
of aerial ladders they respond with on 1st alarms.
ECC
What type of apparatus gets precedence to the throat of a building?
TL
T/F Place planking under tormenters when encountering soft ground?
False
Heavy planking
T/F Inboard side is solidly on the ground, outboard side is then placed solidly on the ground?
False
Outboard will be slightly above. If u do 1 side first the other side slightly above.
Ladder locks shall always be engaged, the rungs are space ______ apart and have ____ sections.
14 inches
4
PS there is a space of 42inches in the upper fly section. between locking points
Place inboard side of the apparatus not more than
_____ ft from building
35’
Aerial enable dead man switch is located where?
on the turntable at the base of aerial control pedestal
Where is the starter enable switch located?
located on the floor of the TILLER cab.
This switch must be depressed to start engine also used as a foot buzzer. When engine started release.
T/F The steering wheel horn can be used as the starter enable switch and buzzer.
true
Can u raise,rotate and extend at the same time?
They want one function at a time.
When can u move a ladder with men on it?
serious exposure
extreme rescue effort
PS do not extend or retract with men on it
The tip of the aerial should be painted what color?
white or yellow
or use reflective tape
What cause twisting of aerial this is actually the 1st step to ladder collapse
improper placement-turntable not opposite object rotating while extended windy days hilly locations one beam engages object 1st
There are 2 times to disengage the PTO?
extended ops
turntable left unattended
To remove ice from ladder what is the proper order?
ACRO: Rudy loves Tommy Boy rungs ladder rung lock truss main Beams
Aerial is frozen u have 2 options?
Use portable with a number of men to apply pressure.
At high angle use utility rope tied near tip with members on roof or window across street pull taut.
When using the deicing valve it should be under the supervision of ________.
Dept mechanic
PS HEAVY coating of prescribed lubricant will inhibit the forming of ice it will also facilitate deicing
Can u move the truck with ladder placed to 1 side?
No
retract sections substantially and turn ladder parallel to bed
When talking about the Danger Zone, what are they referring to?
Area immediately around turntable.
PS. FF climbing should be on turntable before ladder is raised or rotated.
