Ladders Flashcards
With water flowing and a man climbing the aerial what will the climbing angle be?
70-80 degree angle (horizontal distance between tip of ladder and center of turntable)
Regulations11 11.4.12
What is the climbing angle for a portable ladder?
65-75 degrees
FFPladops1 8.4
To obtain the 75 degree angle what distance from the vertical plane will the base of the ladder have to be?
1/4 of the total working length
(32ft high=8ft horizontal)
FFPladops1 8.4
A portable ladder placed at a window, where shall the tip be placed?
level with the sill
FFPladops1 8.5.1a
A portable ladder placed at a roof, where shall the tip be placed?
at least 2 feet above the roof or parapet
FFPladops1 8.5.1b
A portable ladder placed alongside a fire escape on a building wall, where shall the tip be?
1-3 feet above the fire escape railing
FFPladops1 8.5.1c
A portable ladder placed against a fire escape, where shall the tip be placed?
slightly above the fire escape railing
FFPladops1 8.5.1d
Climbing on a portable ladder where shall your hands be placed?
the underside of beams
FFPladops1 9.1.2
What is the load capacity for:
a) collapsible ladders
b) roof,straight and extension ladders
c) extension ladders 27’-35’
a)300 lbs
b)500 lbs
c)600 lbs
FFPladops1 9.4.2
When a fire escape is overcrowded where should a portable ladder be placed? second be placed?
the first balcony opposite the drop ladder, the second balcony
FFPladops1 11.2.1b
overcrowding may be relieved by members assisting occupants to the roof via the gooseneck when their is an adjoining building (FFPladops1 11.2.1c)
What is an indicator of loss of a loss of strength?
discoloration
FFPladops1 5.3
Where will the ladder length be marked on the ladder?
12” of the end of the ladder
straight ladders:each end of each rail
extension ladders:butt end only of each rail of the bed ladder
FFPladops1 7.1-7.1.2
Where will the unit designation be marked on a ladder?
18” of each butt end
FFPladops1 7.2
How must extension ladders be used in what position when bridging?
nested position
FFPladops1 11.3.7
How far from the building should an aerial ladder be placed?
25-35’
FFPladops2 3.1.1
what is the recommended distance from the tip of an aerial ladder to an objective?in case of rescue?
2-6”, in case of rescue 2”
FFPladops2 3.1.5
At a very steep angle such as placing the aerial to the roof of a seven story building, how far from the object should the tip be placed?
barely touch the building
FFPladops2 3.1.5
When placing the tip of an aerial to a window sill where should it be placed?
less than 6” above the sill
FFPladops2 3.1.6
When placing the aerial to a fire escape, how should it be placed?
alongside the fire escape(2” out) with the tip 1-3 feet above the railing
FFPladops2 3.3.1
For a severe fire in a large frontage(over 30’) and no people are showing, where should the aerial ladder be placed?
center of turntable about 15’ from the sidewall you passed.
FFPladops2 3.5.1
what is generally the maximum safe distance measured horizontally from the tip to the center of the turntable on an aerial ladder?
40 feet
FFPladops2 3.6
When it becomes necessary to place the aerial ladder in a cantilever position how should it be placed?
with the tip fairly close to the building so that when placed under load it will either not touch or barely touch the wall
FFPladops2 3.6
Under what conditions will the movement of an aerial ladder with a firefighter and a victim on it be justified?
extreme emergency such as direct exposure to flame or great heat (extreme exposure,extreme rescue) do not extend or retract the ladder
FFPladops2 5note,8.9
When will officers train member to drive the apparatus in preparation for chauffeur school?
outdoor drills, inspectional activities and returning from alarms.
FFPladops2 6.2.1
Members climbing the aerial should grasp the rungs when?
climbing at steep angles
FFPladops2 7.15
What is the preferential order of removal of people from a building?
1) interior stairs
2) horizontal exits
3) fire escapes
4) ladders
5) life saving rope
For ladder pipe operations the ladder angle should not exceed?
70 degrees
FFPladops2 7.8
For ladder pipe operations, even after confirmation of the withdrawal of members from an area what should happen?
a warning sweep horizontally across and into the windows without hesitating or stopping
FFPladops2 7.8c
When placing an aerial ladder to the roof, how should it be placed?
the tip should be at least 5 feet above the point where the ladder comes into contact with the building.
FFPladops2 7.13
To remove ice from an aerial ladder what is the order of removal?
1-rungs and ladder rung locks
2-trussing
3-main beams
FFPladops2 8.20
how many sqft is the basket floor area?
approximately 15sqft
FFPladops6 2.3
When can detailed members operate on a pedestal of a tower ladder?
presently assigned to a tower ladder or are qualified chauffeur-tillerman (QCT,school trained)
FFPladops6 2.9.2
How should a tower ladder be positioned to a building?
generally parallel, if scrub area reduced by cab position front end 15 degrees from the building line
(if footing is in doubt, position perpendicular to building)
FFPladops6 3.1.4,3.1.6
The basket while touching a point _____’ horizontally from center of turntable can reach a basket floor elevation of _____’. Scrub area covers the front of a building _____‘high and _____‘wide and will cover _____‘frontage on the lower _____ floors of a building.
32,65
60,50,100
FFPladops6 3.2.2,3.2.3
A properly positioned TL will provide a coverage of what height at what angle?
70’ 75 degree
FFPladops6 3.2.1
The TL has a scrub area of approximately _____ sqft when the center of the turntable is how many feet from the building at what angle?
7750, 32’ at 15 degrees
FFPladops6 3.2.4
How many feet below grade can a TL reach?at what distance will the center of the turntable for it to be sufficient to accomplish this?
10’, 25’
FFPladops6 3.2.5,3.2.7
What is the ideal distance for a TL form an objective?
32’
FFPladops6 3.2.8
You always want the boom of a TL working in the uphill direction. (T/F)
True
FFPladops6 3.4.1
What is the maximum grade that a TL operate?
15%grade (4% will be treated as level ground)
FFPladops6 3.4.5note
For winter operations the boom of a TL will be raidsed to what angle to let is drain?
60 degree
FFPladops6 3.5.5
When TL at a flat roof is used for ventilation what will be placed in the basket?
axe, halligan, power saw, hook and LSR
FFPladops6 4.1.2
The first cut for a peaked roof will be?(subsequent cuts?)
parallel with the ridge pole
(2nd=bottom, 3rd=left side to make triangle,4=kerf on right side)
FFPladops6 4.3.1e
For rescue how do you want a TL bucket placed with regards to a window or fire escape?obese victims?
window ledge=middle railing of basket is level with
fire escape=middle railing level with top railing
Obese=top basket rail level with window sill or top rail of fire escape.
FFPladops6 5.1.2
When a TL is being supplied, what pressure should be supplied?
200-250 (relay should have an excess of 80 psi)
FFPladops6 6.6.1
If the stairs are in question a the stang on a TL bucket is going to be used for wash down purposes how many hose lengths are attached to it?
one length
FFPladops6 7.1.8
how many portable ladders and where should they be placed on a taxpayer?
all sides should be covered, with at least 2 in the front.
FFPTxpr 5.7.7,5.7.8
