driver's book simple 2 Flashcards
in many cases apparatus placement procedure should be developed during?
p610
pre-incident planning
during pre-incident planning give special consideration to aerials in terms of:
p610
access to various portions of the occupancy
overhead obstructions
any other factors that influence apparatus functions
area beneath a wall in which the wall is likely to land if it loses structural integrity?
p610
collapse zone
apparatus placement of pumpers and aerial(100 ft reach) if building is less than 5 stories(60 ft):
p611
pumper closest to building/aerial outside of pumper
apparatus placement of pumpers and aerial if building is greater than 5 stories(60 ft):
p611
aerial closest to building/pumper outside of pumper
FD should develop SOPs and pre-incident plans and all personnel must be trained to follow SOPs on?
p612
every response
for any given situation the proper distance between objective and aerial is the distance that affords the:
p612
maximum stability
best climbing angle
adequate extension
long extensions a ___ ___ place the maximum amount of stress on the aerial/reduce its load carrying capacity?
p612
low angles
older trucks typically built before ___ should not be used at low elevations and long extensions.
p613
1991
positioning the apparatus in a location that provides the utmost efficiency for operating on the fireground?
p613
spotting
apparatus should be parked on soft surfaces?
p614
as a last alternative
supplied with the apparatus and are to be used whenever the stabilizers are deployed?
p614
stabilizer pads
unattached flat metal plate that is larger in area than the stabilizer foot, placed under the foot to provide better weight distribution?
p614
stabilizer foot( jack pad/plate)
ground above underground vaults such as underground parking structures, utility chases, drainage culverts, basements that extend under sidewalks, or underground transportation systems?
p615
vaulted surfaces
in cold whether avoid parking the apparatus and deploying aerial on?
p615
snowy or icy surfaces
primary spotting consideration associated with hot weather is that extreme heat tend to weaken marginal or otherwise firm?
p615
paved surfaces
visual indicators of a compromised asphalt surface due to extreme heat is?
p615
when the asphalt “bleeds” creating a shiny glass like surface
grade position aerial with rear tires off the ground, the truck has less resistance to sliding downhill, and rear compartments will be hard to reach?
p615
front of the apparatus uphill
grade position easier to reach the ground at the rear, front tires lifted of the ground causing the frame rails to sag and making device more difficult to stow?
p615
rear of apparatus uphill
moderate to high winds impose a ____ load on the aerial and may reduce the over all stability by forcing movement for which the apparatus was not designed.
p616
dynamic
loads the involve motion(wind, moving vehicles, earthquakes, vibration, or falling object)?
p616
dynamic load(shock loading)
movement by the wind also _____ the other loads placed on the device by personnel or equipment.
p616
magnifies
when operating in high wind conditions spot the apparatus so that?
p616
minimizes extension needed
aerial device over the front/rear of apparatus and parallel to the wind
manufacturer have predetermined ____ wind speed recommendation for safe operation and may/may not be indicated in load chart.
p616
maximum
avoid spotting the aerial in a position that will require a lot of maneuvering around?
p616
ground or overhead obstructions
the ground around a downed power line or charged vehicle becomes charge in ?
p616
concentric circles with varying voltage potential
aerial drivers must continually be aware of overhead ___ ___ and exercised caution around other types of overhead lines such as ____ and ___?
p617
power lines; telephone and cable tv lines
parts of or vehicle do not need to touch the ___ ___ for it to become energized, electricity will arc across a gap as large as ____?
p617
power line; 10ft
10 ft of clearance between the aerial device and overhead high-voltage lines energized from ___ to ___; and 50 ft of clearance for high-voltage transmission lines over ____?
p617
600-50,000 volts; >50,000 volts
new OSHA standard for construction industry requires ___ between device and overhead lines of less the 350 kilovolts and ___ for lines over 350 kilovolts.
p617
20ft; 50ft
vehicle contacts or is energized by power line un less there is a fire it is ____ to stay in the vehicle.
p618
safer
if it is necessary to exit an energized vehicle to reduce the risk of electrocution?
p618
jump clear off maintaining balance or fall forward
feet together and hop or shuffle upwards of 150ft
- do not raise booms or ladders into power lines, look up and use ___ to search for power lines in the dark.
p618
lights
*do not step off a ___ vehicle, because touching it while standing on the ground you may be injured or killed?
p619
charged/energized
apparatus in most stable when the aerial is operated?
p619
longitudinal axis(apparatus body)= directly over the front or rear
the least stable position for operating an aerial is?
p619
perpendicular angle to the apparatus
backing in the apparatus is the preferred method as this maximizes the reach of?
p620
rear-mounted aerials
nosing in the apparatus maximizes the reach of?
p620
midship-mounted aerials
tillered aerial apparatus may be positioned to increase stability by ___ the apparatus.
p620
jackknifing
condition of truck tractor/ semitrailer combination when their positions to each other form an of 90 degrees or less?
p620
jackknifing
greatest stability occurs when jackknifing to an angle of ____ from in-line and the aerial device is extended ____?
p620
60°; away from this angle
good stability occurs at angles up to ___, and beyond that stability?
p620
90°; decreases rapidly
factors that work against the aerial device’s strength?
p621
stresses
stress is imposed in both ___ and ___ operation.
p621
static(rest) and dynamic(motion)
stress tends to be greater when the aerial device is in?
p621
motion
stress in aerial devices is increased when the ladder rungs are operated ____ to the ground or when parked on an ____ and operated off the side.
p622
parallel;incline
when an apparatus must operate off an incline driver can reduce stresses by spotting the turntable _____ from the point of operation.
p6212
downhill
if truck has only two jacks then the direction in which it can be stabilized on a grade is limited and need to face?
p622
uphill
another spotting considerations whether aerial is designed to be operated?
p622
unsupported at the tip(cantilever) or supported(resting on a wall)
the maximum loading for any unsupported aerial device occurs when operated at angles between ____ and ___ horizontal.
p622
70° and 80°
extension affects aerial device stress, as extension increases aerial loading must?
p622
decrease
aerials operating low angle of elevation and long extension are at their?
p622
weakest
driver must be familiar with the load limitations of the aerial device when?
p623
flowing and not flowing water
how an apparatus approaches the incident and positions at the scene will significantly affect its ability to?
p623
conduct emergency operations
as a driver always consider locating a suitable?
p625
water supply
it may be necessary to stretch hoselines or use an aerial device from ____/____to get water to the level of the highway.
p625
overpass/underpass
some of the most dangerous scenarios faced by firefighters are operations on:
p625
highways
interstates
turnpikes
other busy roadways
*all individuals operating on scene of highway incidents must wear an approved?
p625
reflective safety vest
*on high-speed roadways, apparatus should not be driven against traffic unless the road has been ____ by law enforcement officials.
p626
cleared
*to maintain scene safety a driver should never shut down _____ while on the scene of a roadway incident.
p626
all warning lights
always treat railroad tracks as _____ and keep apparatus at least ____ away from tracks ?
p627
active; 25ft
*never park apparatus on?
p627
railroad tracks
park the apparatus on the ____ side of the tracks as the incident?
p627
same
if it is absolutely necessary to raise aerial across railroad track confirm with the railroad company that train traffic has been ___ and keep device at least ___ above the level of rails as precaution.
p627
halted; 25ft
conditions of the road or ground surface near railroad tracks are often?
p627
unstable
in emergency medical incidents the ___ should be given the best position with other apparatus positioned around.
p628
ambulance
during structural incident response positioning is determined based on ?
p629
building height and condition rescue ventilation elevated master stream intensity of fire fire's potential growth
during incidents avoid making the apparatus an ___ itself, because in many cases it is the most ___?
p629
exposure hazard; expensive
*platforms have torn from the ends of aerial devices by falling parapet walls, balconies, and fire escapes so ____ must be constantly monitored and evaluated during operations.
p631
building stability
indicators of unstable buildings:
p631
bulging walls sagging roofs large exterior cracks falling bricks, blocks or mortar(limestone) interior collapse
*if the fire building is known to be in poor repair, the aerial should not be used in a ?
p631
supported position(touching the building)
emergencies involving hazardous materials may occur:
p631
transportation setting or fixed facility
when responding to hazmat incidents:
p631-632
wind speed/direction
upwind/uphill
distance
exposure to high levels of heat(flammable)
avoid manholes/storm drains(fuels run under)
material may be corrosive
on all vehicle related responses consider the possibility of the involvement of?
p632
hazardous materials
aerials respond to incidents involving aircraft for a number of reasons such as:
extrication equipment
rescuing victims
access to large frame aircrafts
three basic types of aircraft incidents to which aerials may respond:
p632
involving extrication
involving extrication complicated by fire
non-incident related aircraft fires
driver should be familiar with the procedures for ___ and ___ at an aircraft emergency.
p632
approaching and positioning
*do not position near ___ or designated danger zones around jet engines.
p633
running jet engines
there are ___ tactical uses for aerials at the scene of aircraft incidents, and are more likely to be useful at ___________.
p633
few; non-accident-related fires involving large-frame aircraft
in aircraft incidents aerials may be used:
p633
ventilation
passenger rescue
deploy handlines to interior of aircraft
master stream applications
when placing aerial device for passenger rescue on aircraft:
p633
doorway=building window
over a wing= building roof
avoid spotting apparatus in a position that hinders the deployment of the aircraft _____?
p634
emergency slide(door openings and rear of wings near emergency windows)
*do not position the apparatus where an aircraft is expected to ?
p634
land or stop
aerial apparatus are frequently used to provide ___ at fires involving large storage tanks or fuel/chemical processing facilities.
p634
elevated master streams
at storage tank fire never spot the apparatus ___ the dike that surrounds the affected tank(s).
p634
inside
positioning an apparatus for fire attack/esposures in processing facilities/refineries can be extremely challenging:
p634
narrow driveways
dead-end accesses
overhead obstructions
proper positioning of aerial at the scene of a technical rescue operation depends on whether the apparatus is used for?
p634
mitigation of incident or support role
aerials may be a necessary component too complete a rescue operation in circumstances such as:
p634
below grade or high angle
the apparatus _____ _____ is perhaps the most critical aspect of preparing an aerial for use.
p641
stabilization process
it is necessary to ____/____ the base of the chassis beyond the span of wheels so that it resists the tendency to overturn when the aerial is extended over the side of the apparatus.
p642
broaden/widen
when parked with the aerial device in stowed position the apparatus has a center of located somewhere along the?
p642
longitudinal midline of the chassis between the front and rear axles
by deploying the apparatus stabilizers, the base of stability for the aerial is effectively _____?
p642
increased
rotating the device 360 degrees will trace a _____, as long as it does not extend outside of the base of stability the apparatus should remain stable.
p642
gravity circle
theoretical safety zone that surrounds the center of gravity on an aerial apparatus?
p642
gravity circle
if apparatus is parked on a grade the center of gravity will be shifted to the _____ side.
p643
lower
_____ loading on the aerial device will result in an expansion of the gravity circle.
p644
excessive
required to prevent the apparatus from tipping as the aerial device is extended away from the centerline of the chassis?
p644
stabilizers(outriggers, ground/screw jacks)
straight jacks that extend down from the chassis?
p644
post-type stabilizers(downriggers)
stabilizers that extend straight away from the truck and have jacks that extend straight down to the ground?
p644
box stabilizers(H-stabilizers)
stabilizers that extend down and away from the chassis at an angle?
p644
A-frame, scissor, or X-style stabilizer(fulcrum-type)
to deploy stabilizers and aerial device have to engage the _____, to do so the driver will have to activate the ____ or other specialized hydraulic system.
p644
aerial hydraulic system; power take-off(PTO)
PTO activations switch varies:
p645
pneumatic
electric
hydraulic
combination of the 3
pneumatic PTO activation systems air pressure requirements?
p645
50-140 psi
procedures for engaging/disengaging PTOs on aerial apparatus depend upon type of ____ and whether or not the apparatus is equipped with a _____?
p646
transmission; fire pump
found in most new apparatus, gives the driver the ability to engage the PTO system while transmission is in neutral?
p646
“hot-shift” PTO systems
it is necessary to lower _____ speed to near idle prior to engaging the hydraulic system PTO or other device.
p646
engine(pump)
before deployment of the stabilizers make the following observations:
p651
activate front brake lock
PTO engagement light is on
chock the wheels
wheels should have chocks placed ___ and ___ the tire with approximately ____ of extra space so chocks don’t get stuck.
p651
front and back; 1 inch
anticipate the expected travel path of stabilizers and be observant of obstructions:
p652
vehicles utility poles hoselines fences signs personnel on scene
when possible a ____ should assists the driver with positioning the apparatus to help avoid curbs, manholes, vehicles, and so forth.
p652
spotter
move the following objects, ensuring the stabilizer shoe contact areas are as stable as possible:
p652
large rocks fire hose tools underground utility access covers broken pavement
flat metal plate attached to the bottom of the aerial apparatus stabilizer to provide firm footing on the stabilizing surface?
p652
stabilizer shoe(boot/foot)
*avoid placing stabilizers over:
p653
drainage areas
underground tanks/vaults
utility access zones
once the driver is assured preliminary activities on fireground are completed and is prepared for stabilization activities, operate the _____ to provide hydraulic power to stabilizing system.
p653
selector valve
driver should make certain the selector valve control is in the _____ position?
p653
stabilization(outrigger, jack, leveling)
___ is the ideal location to stabilize an aerial apparatus.
p654
level terrain
selector valve and stabilization controls are typically found on the ____ or ____ ?
p653-654
rear step area or midship
generally there is one or more set of ___ for the stabilizers and the driver can operate more than ____ at a time.
p654
controls; one
most common stabilizers used on newer are?
p654
box stabilizers
box stabilizers are basically two-parts devices?
p654
arm that extends straight out and arm that extends down to the ground
the stabilizer pads are usually provided by the manufacturer of the apparatus and are usually ?
p655
24x24 inch with a built-in handle
due to potential for chassis and torque box damage, one stabilizer should never be fully?
p656
activated alone
the amount the vehicle is to be raised depends on the?
p657
manufacturer’s design
*repetitive full deployment on one side and then the other in a two-step process can cause ______ to tires/wheels, axles, suspension, torque box and chassis.
p657
cumulative damage
driver should be sure all stabilizers are in firm contact with ground and bearing weight, some apparatus may have _____ that automatically engage once proper stabilization has been achieved.
p657
safety interlocks
only deploy fulcrum-type stabilizers in the ___ position or not-at all if obstructions are present.
p657
fully extended
fulcrum-type stabilizers should be lowered to within a ____ from the ground before placing stabilizer pads.
p657
few inches
setting the stabilizers on one side of an apparatus shorter than the stabilizer on the other side?
p658
short-jacking
the load and range of safe movement capabilities significantly decrease if the extension arms are not extended to their?
p658
maximum positions
when possible a _____ should observe aerial operations when short-jacking is in use.
p658
safety officer
*waterway operations should be conducted with caution in short-jacking situations, because the nozzle reaction actually transfers weight to the ____ side from which the aerial device is being operated.
p658
opposite
there are two ways that the truck can be uneven:
p658
laterally(side to side) and longitudinal(end to end)
correction of lateral unevenness is possible on grades up to?
p658
5% = approximately 3°
a slope of 5% means that there is a rise in the terrain height of?
p658
5ft for every 100ft of distance
uneven terrain lower the stabilizers on the ____ side first only until solid contact is made and then lower the stabilizers on the ____ side until truck levels out.
p658
uphill then downhill
driver must make sure to raise the truck enough to activate the _____ if apparatus is equipped.
p658
interlocks
in uneven terrain it is preferably to operate the aerial over the _____ side of the apparatus.
p659
uphill
*when stabilizing the apparatus on any type of grade or uneven surface, beware of possible stabilizer ____, which is very dangerous and may occur on wet, icy, or snowy surfaces or when the controls are not operated smoothly.
p659
slippage
operating on a ____ grade is a little more challenging than on a ____ grade.
p659
longitudinal; lateral
if aerial turntable is not level the rungs will not be exactly ___ to the ground generating ______?
p659
parallel; lateral and torsional stresses
in longitudinal grades operate articulating aerials of the ___ of the vehicle whenever possible.
p660
rear
*When ____ apparatus is parked on a longitudinal grade outside of the manufacturer’s recommended operating range do not extend/retract over the side of the apparatus.
p660
pre-1991 or non-K-braced
when the ground is frozen solid and the surface is on an angle, the aerial can move or chatter along the surface due to?
p661
vibration and gravity(avoided by chocking wheels)
___ or there friction products can assist in stabilizing on icy ground, but avoid ___ because it causes melting.
p661
sand; salt
on most aerial the combination interlock feature of the selector valve and the hydraulic system holding valves provide ____?
p662
automatic locking capabilities
apparatus may be equipped with ___ that shows when interlocks are engaged, and a ____ to allow driver to determine if apparatus is raised evenly.
p662
indicator light; site gauge level
box-type stabilizers commonly have drilled holes for the insertion of ___ that act as an additional safeguard against drop/drift of the jack.
p662
large pins
transfer from the stabilizer system to the aerial operations system may be?
p663
automatically completed or require movement of switch or control lever
the stabilization process is ___ in order to prepare the apparatus for departure from the scene.
p663
reversed
*when the pressure releases from the ____, the apparatus often drops very quickly, so stand clear to avoid being struck by the moving parts or being injured as the apparatus resettles.
p663
stabilization system
older midship and tractor-drawn aerials are most likely to have ____ stabilizer.
p664d
manual
manual stabilizers(similar to box-stabilizers) consist of : p664
extension arm with screw jack attached to the end
driver must swing the ____ into position manually and then manually turn the _____ attached to the arm to lower the stabilizer.
p664
extension arm; screw jack
the extension arm is stored ____ to the ground on midship aerials and is a recessed position beneath the _____ portion of the trailer on tractor-drawn aerials.
p664
perpendicular; goose neck
*if the stabilizer lifts off the pad during operation, do not adjust, because this is normal _______.
p664
load shifting
operating tractor-drawn(tiller) aerials with angles less than 60° and 61°-90° provide?
less stability
when attempting to park tillers at angle greater than 90° an alarm may sound, because it provides _____?
p665
poor stability
best way to angle tiller into position:
p665
place turntable next to target
turn tractor wheels sharply away from target and pull slightly forward
turn tiller wheels toward target and back the truck slightly toward target
set all brakes
most modern tillered aerials are equipped with stabilization systems that securely stabilize whether it is _____ or not.
p665
jackknifed
the tiller operator and the tractor trailer should ____ and ___?
p675
interchangeable and cross trained
it is essential that ____ equipment be available for any personnel who will be climbing the ladder or riding in the platform.
p676
fall protection
fall protection on aerials include:
p676
handrails(ladder)
railing and gates(platform)
in addition to fall protection each operator on the device should be equipped with a fall restraint ____ and ____?
p676
ladder belt and tether
ladder belt and tether should meet the requirements of the ?
p676
nfpa 1983 standar on life safety rope and equipment for emergency services
personnel must be safely anchored to a structural feature of the ladder/platform:
p676
any time not actively climbing/descending the ladder
any time not actively entering/exiting the platform
any time device is in motion
fall protection will only be useful if the tether is secured to a portion of the device that will?
p676
support the load imposed by a fall
climb/descend carefully and maintaining _____ with structural features at all times.
p677
3 points of contacts
never rotate, elevate, or lower the device with people on the ladder unless they are securely attached to a structural feature with approved?
p677
safety ladder belt and tether
*fall hazard, when the device is in motion, use _____ on ladders and in the platform.
p677
fall protection
*never extend or retract the device when people are on the ladder because it creates?
p677
pinch and crush hazards
safe practices during winch operation:
p678
always stay clear of wire rope during operation
never touch wire rope while in tension/under load
never touch wire rope while some else is on the controls/during operation
*keep ___ away from wire ropes, pulleys, sheaves, cylinders, and other moving parts.
p678
hands
driver is fundamentally a “ _____” who must be well trained in the location of each control, its function, how it operates, when it should be used, and the appropriate safety precautions.
p679
“technician”
standar verbal and hand signals:
p679
raise lower rotate clockwise(right) rotate counter clockwise(left) extend retract
*keep in mind that the use of terms such as “rotate right/left” may be misinterpreted if the ______ is different between the person giving commands and the operator at the controls.
p679
point of view
drivers must understand the function and operation of all stabilizing power and safety devices, in addition know:
p679
limitations of the apparatus
proper spotting angles
maximum load limits
safe operating practices
driver must have the skills necessary to solve ____ at the incident and to operate ____ while maintaining visual contact with the aerial and the space within which it is moved.
p679
tactical problems; all controls
drivers should be trained on each different apparatus he/she is?
p679
expected to drive/operate
the primary control position for the aerial operator is the?
p680
lower controls usually at turntable
when working from the primary control position the driver must practice:
p680
be aware of the number, weight, and position of personnel/equipment
monitor the wind, ice, and water flow ensuring not exceed the load chart limitations
maintain comm with personnel at tip/platform
observe and ensure personnel keep well clear of the ladder at all time
the secondary control position is at the ?
p680
upper(tip) controls or platform basket controls
performs the final positioning of the aerial during rescue or other fire fighting operations?
p680
secondary control operator
must observe the aerial operation and prepare to override the secondary control operator if unsafe conditions are encountered?
p680
primary control operator
operator at the tip of the ladder needs to take the following precautions:
p680
be aware of personnel on ladder section behind them
take care to place feet on the steps at the tip to avoid injury from the moving ladder sections
be belted in position to protect against abrupt or unexpected ladder movements
be aware of impending water flow and monitor/tower reaction
be aware of electrical hazards and other obstructions
*never place personnel at the tip or platform of the aerial if the operation can be?
p681
accomplished without them being there
ladders are often rated at _____ as elevation angles increase or when the ladder is not fully extended.
681
higher tip capacities
graphical or tubular description of the load that can be distributed on an aerial device based on factors such as extension, elevation, stabilizer set-up, wind, water flow, and ice load.
p681
load chart
load charts on some aerials may have _____ or ____, that can be used to supplement their use during operations.
p682
electronic load monitoring or envelope control systems
telescoping control devices include:
p682
aerial ladders
aerial ladder platforms
telescoping elevating platforms
telescoping water towers
*failure to properly stabilize the apparatus could result in?
p682
tipping the apparatus
elevating the entire assembly from its stored position to the desired angle and useful position by elevating, rotating, extending and lowering?
p682
raising the telescoping aerial device
some FD instruct drivers against simultaneous aerial device motions per SOPs, but newer apparatus are equipped with controls that are particularly well suited for simultaneous control such as?
p682
“joystick”
*when approaching the objective or nearing obstructions the driver should use ______ to move the aerial device.
p683
one motion at a time
because of the forces being generated especially as length increases, all movements must be ?
p683
slow, smooth and controlled(aka feathering)
overall process of lowering the aerial device is typically the ____ of putting it into position, but give consideration to whether or not the ____ was used and the ____ has been stowed.
p683
reverse; waterway; nozzle
two types of articulating aerial apparatus each having two or more sections called booms:
p684
water towers and aerial platforms
is equipped with only a master stream nozzle at the end of the upper boom; it is not intended to lift firefighter or equipment?
p684
water tower
is equipped with a platform and a master stream nozzle at the end of the upper boom and designed to carry firefighters and equipment?
p684
aerial platform
raising the articulating aerials is actually a series of motions that include:
p685
elevating
rotating
extending
lowering to the objective
articulating platforms should be operated?
p685
forward of the turntable
the operational speed of the aerial device is directly proportional to the amount the control lever is?
p685
pushed or pulled
drivers of articulating aerials must be concerned with:
p685
elbow joint between booms(knuckle)
working end
___ is of particular concern when operating at lower elevations because it may be behind, above, or below the position of the operation making visibility of that area more difficult.
p685
knuckle
joint between two sections of boom in an articulating aerial device?
p685
knuckle