Ladder Company Engineer Manual Part 3 Flashcards
(199 cards)
1
Q
What materials can a D-Ax blade / carbide tipped blade cut?
A
Light gauge metal, wood, & roofing material
Carbide tipped blades are versatile and can handle various materials.
2
Q
What is a safety concern when using carbide tipped blades?
A
More prone to kickback than diamond blades if not used properly
Kickback can cause injury and should be mitigated through proper technique.
3
Q
What can carbide tipped blades do to the material being cut?
A
Throw pieces of material away from the blade
This can create additional hazards during operation.
4
Q
When should a rescue saw equipped with a carbide tipped blade not be used?
A
To cut wood in non-rescue operations
This guideline helps ensure safety and proper use of equipment.
5
Q
Can carbide tipped blades be sharpened?
A
No
Once dulled, these blades must be replaced.
6
Q
What direction should a diamond blade rotate?
A
In the direction indicated by the arrow on the blade.
7
Q
What can cause a diamond blade to become dull?
A
Using the wrong feeding pressure or cutting certain materials like heavily reinforced concrete.
8
Q
What happens when a diamond blade is dull?
A
It causes overheating, which can result in the diamond segments coming loose.
9
Q
How can you sharpen a dull diamond blade?
A
By cutting in a soft material such as sandstone or brick.
10
Q
Can diamond blades for dry cutting be used without water cooling?
A
Yes, they can be used both with and without water cooling.
11
Q
What should you do every 30–60 seconds when dry cutting with a diamond blade?
A
Lift the blade out from the cut and let it rotate in the air for 10 seconds to cool.
12
Q
What is required for diamond blades used for wet cutting?
A
They must be water cooled.
13
Q
What benefits does water cooling provide for diamond blades?
A
It cools the blade, increases its service life, and reduces the formation of dust.
14
Q
What warning is associated with cutting plastics using a diamond blade?
A
It can cause kickback when the material melts and sticks to the blade due to heat.
15
Q
What can an overheated diamond blade result in?
A
Deformation of the blade, resulting in damage and injuries.
16
Q
What should you do if two saws are needed with the same diamond blade?
A
Remove the blade that is not needed and install the proper blade.
17
Q
How many chain saws do JFRD Engines and Ladders carry?
A
Ladders carry (2) and Engines carry (1).
18
Q
Which type of saws are typically more powerful?
A
The saws carried by the Ladders.
19
Q
What is the fuel mixture ratio for chain saws?
A
50:1.
20
Q
What is a reciprocating saw commonly referred to as?
A
Sawzall
21
Q
What type of battery does the DeWalt reciprocating saw operate on?
A
20 Volt battery
22
Q
What feature allows for versatility in the DeWalt reciprocating saw?
A
Interchangeable blades
23
Q
What is the purpose of salvage/overhaul bins?
A
To help carry burned debris from inside the structure to the outside
24
Q
What tools are used in conjunction with salvage/overhaul bins?
A
Scoop shovels
25
What is the function of tarps in salvage and overhaul operations?
To protect property
26
What type of vehicles carry multiple types of extinguishers?
Ladder trucks
27
For more information on extinguishers, which manual should be referenced?
Engine Company Engineer Manual 4th Edition
28
What SOP provides additional information on fire extinguishers?
SOP 220 Fire Extinguisher
29
What is the purpose of the hose roller when used with hose?
To protect the hose from abrasion
## Footnote
The hose roller is positioned on the last rung of the aerial for this purpose.
30
What does the hose roller protect when used with rope operations?
The rope from abrasion
## Footnote
This is crucial for maintaining the integrity of the rope during operations.
31
For safety reasons, how far should the hose roller be attached from the last rung when used with rope operations?
A minimum of 1 rung from the last
## Footnote
This ensures that the rope is captured between two rungs of the aerial.
32
True or False: The hose roller can be attached to the last rung when used with rope operations.
False
## Footnote
Attaching the hose roller to the last rung poses safety risks.
33
What is the Lyfe Pulley used for?
It can be used in lieu of the hose roller for rope operations.
34
What is the capacity of the Lyfe Pulley System?
500 pounds OR the remaining tip load, whichever is lower.
35
Where can more information about the Lyfe Pulley be found?
In the Pierce Ascendant 107’ Tiller Ladder Manual found on Target Solutions.
36
True or False: The Lyfe Pulley can handle a weight of 600 pounds.
False
37
Fill in the blank: The Lyfe Pulley System's capacity is ______ pounds.
500
38
What do ladder trucks carry?
Pike poles
## Footnote
Pike poles are used in firefighting to reach higher areas.
39
What is the size range of pike poles carried by ladder trucks?
8’ to 16’
## Footnote
Pike poles come in various lengths to accommodate different ceiling heights.
40
What is the purpose of pike poles?
To reach taller ceilings
## Footnote
They are primarily used in firefighting operations.
41
What is the primary function of the HYDRA RAM?
To force inward swinging doors.
42
What is the weight of the HYDRA RAM?
12 lbs.
43
What is the maximum thrust opening of the HYDRA RAM?
4 inches.
44
How many firefighters are designed to use the HYDRA RAM?
1 firefighter.
45
What should you do to operate the HYDRA RAM?
Insert the jaws of the tool between the door and the door jam and operate the hand pump.
46
What happens when you operate the hand pump on the HYDRA RAM?
The jaws will begin to open.
47
How do you close the jaws of the HYDRA RAM?
Press and hold the release while applying pressure to the jaw.
48
What is included at the back of the HYDRA RAM manual?
Maintenance and troubleshooting guide.
49
What are the three types of ventilation fans carried by JFRD?
Gas powered, electric (A/C), electric and battery operated (A/C & D/C)
## Footnote
Each type has specific operational capabilities.
50
How can the electric and battery operated fans be powered?
They can run off the battery (D/C) or be plugged into an electrical outlet (A/C)
## Footnote
This flexibility allows for extended operations.
51
What does CFM stand for and how is it measured?
Cubic feet per minute, measured when the fan is at full power
## Footnote
CFM indicates how effectively a fan moves air.
52
What are the two types of ventilation that JFRD's fans can be used for?
Positive pressure ventilation (PPV) and negative pressure ventilation (NPV)
## Footnote
Both methods are critical in firefighting operations.
53
When should a fan not be directed into a structure at a fire?
Until after the fire has been knocked down or deemed 'under control / Signal 77'
## Footnote
Premature use could intensify the fire.
54
What is the exception to the rule regarding fan use at structure fires?
High Rise fires
## Footnote
Fans will be started at the beginning of the operation.
55
What is the role of the 3rd Ladder Company during a High Rise fire?
They shall use the stockpile of PPV fans to immediately pressurize the building from the outside at the ground floor
## Footnote
This is done before the situation is deemed under control.
56
What is 'Set Back' in the context of setting up a fan for PPV?
The distance measured from the fan to the opening (door)
## Footnote
Proper Set Back is crucial for effective PPV.
57
How is the ideal Set Back determined?
Based on the manufacturer specifications and the size of the opening
## Footnote
Achieving the proper Set Back improves efficiency.
58
What should a firefighter do to estimate if the cone of air is properly placed?
Stand between the fan and the opening
## Footnote
This helps gauge if the majority of the cone of air is entering the structure.
59
True or False: All fans used by JFRD are fixed speed.
False
## Footnote
All JFRD’s fans are variable speed.
60
What is the effect of a properly placed PPV fan?
Creates a 'cone of air' sealing the positive pressure entry point
## Footnote
Proper placement is crucial for efficiency.
61
What happens if the PPV fan's setback is too close or too far away?
It becomes less efficient and takes longer to clear the structure of smoke and gases
## Footnote
Setback distance is critical for optimal performance.
62
What is the recommended size of the exit opening when using PPV?
The exit opening should be smaller than the entry opening
## Footnote
Windows are preferred over doors for this purpose.
63
How many rooms should be cleared at a time using PPV?
1-2 rooms at a time
## Footnote
Close the door after clearing each room before moving to the next.
64
What should be avoided when using PPV?
Recirculation
## Footnote
Proper airflow is essential for effective smoke and gas removal.
65
What can adding additional fans do in the context of PPV?
May speed up the time it takes to clear larger structures
## Footnote
This technique is referred to as super charging.
66
What is the approximate CFM of the 24” SUPERVAC GAS FAN?
Approximately 21,000
## Footnote
This fan is the most powerful fan carried by JFRD.
67
What type of fuel does the 24” SUPERVAC GAS FAN use?
Straight gas only
## Footnote
This fan is specifically designed for gas operation.
68
What is the set back distance for the 24” SUPERVAC GAS FAN?
6’
69
What caution should be taken when using the 24” SUPERVAC GAS FAN?
It introduces additional byproducts of combustion into the structure via the exhaust
## Footnote
Newer models have a removable 10’ Exhaust Extension with Heat Shield to help eliminate this issue.
70
When are gas fans recommended for use?
For structures that will NOT be occupied after the fire, when more CFMs are needed to clear a larger structure, or when CO production is not a concern.
71
What is the approximate CFM of the 18” RAM FAN?
Approximately 10,000
72
What is the set back distance for the 18” RAM FAN?
14’
73
What power options are available for the 18” RAM FAN?
Electric or battery operated (A/C or D/C)
## Footnote
Uses 110 AC or (2) 40 Volt battery DC power.
74
What is the approximate battery run time for the 18” RAM FAN?
Approx. 20 min.
## Footnote
This will vary based on battery health.
75
What happens when the 18” RAM FAN operates in DC mode?
It must first 'wake up', causing a slight delay before use.
76
What is the approximate CFM of the 18” TEMPEST ELECTRIC FAN?
Approximately 12,000
77
What type of power does the 18” TEMPEST ELECTRIC FAN use?
Electric (A/C) only
78
What is the set back distance for the 18” TEMPEST ELECTRIC FAN?
8’
79
What is the spreading distance of the spreaders?
28” spreading distance
80
What is the cutter opening size?
8” cutter opening
81
What is the maximum extension length of the ram?
53” fully extended
82
True or False: Applying a torsional load to the cutters can lead to blade failure.
True
83
What caution should be taken when using the cutters?
Applying a torsional load and/or tip loading can lead to blade failure
84
What are the interchangeable tips of the Strong Arm?
Cutters and door tips
## Footnote
The door tips are specifically seen on the Strong Arm.
85
What is the spread capability of the Strong Arm with a combination tip?
Approximately 8.5 inches
## Footnote
The spread is approximately 7 inches with the door opener tip.
86
What environments is the Strong Arm designed to work in?
Heat and smoke environments
87
What materials can the Strong Arm cut through?
Up to 3/8” rebar, 2” x 4” wood, and grade 43 chain
88
How are JFRD’s Hurst tools powered?
By rechargeable batteries
89
What is the function of the 43’ AC/DC Inverter?
To run the Hurst eDraulic tools using A/C power
90
Is the AC/DC Inverter compatible with the Strong Arm?
No, it is NOT compatible
91
Is the Strong Arm battery interchangeable with other Hurst eDraulic tools?
No, it is NOT interchangeable
92
What happens to the Strong Arm when it is turned on?
It will not turn off by itself
93
Do other eDraulic tools turn off automatically?
Yes, they will turn off once they are timed out
94
Where can additional information about the Strong Arm be found?
In the JFRD Extrication Manual found on Target Solutions
95
What additional information is available in the back of the JFRD Extrication Manual?
Information about the Hurst eDraulic tools
96
What are Bunky Braces used for?
Basic stabilization.
97
Which fire department created the Bunky Brace?
JFRD.
98
What equipment is used in conjunction with Bunky Braces?
A wood 4x4.
99
What is the purpose of the TeleCrib Junior?
Basic stabilization.
100
What is the working load of the TeleCrib Junior?
5000 lbs. (2:1 Safety Factor).
101
What is the length of the TeleCrib Junior when collapsed?
41 inches.
102
What is the length of the TeleCrib Junior when extended?
69 inches.
103
What is the weight of the TeleCrib Junior?
30 lbs.
104
True or False: The TeleCrib Junior is a compact strut designed for stabilization.
True.
105
Fill in the blank: Bunky Braces are carried by _______ ladder trucks.
JFRD.
106
What is the primary use of the Adz-Tool?
Passive forcible entry or through-the-lock, specifically for the Rim Lock
## Footnote
The Adz-Tool is designed to aid in the forcible entry of locked doors.
107
What is the first step in using the Adz-Tool?
Place the Adz-Tool on top of the rim lock
## Footnote
Proper placement is crucial for effective use.
108
What should you insert into the stirrup when using the Adz-Tool?
The Adz of the halligan
## Footnote
Using the halligan's Adz ensures proper leverage.
109
What action is taken after inserting the Adz into the stirrup?
Hit down on top of the halligan driving the Adz-tool behind the rim lock
## Footnote
This action helps to create space for removal of the rim lock.
110
What is the next step after driving the Adz-tool behind the rim lock?
Pull down on the forked end of the halligan to remove the rim lock
## Footnote
This step is essential for disengaging the lock mechanism.
111
What tool is used to manipulate the lock inside the door after removing the rim lock?
The key tool
## Footnote
The key tool allows for further access to the door's locking mechanism.
112
What is the primary use of the K-Tool?
Passive forcible entry or through-the-lock, specifically for the Rim Lock
## Footnote
Similar to the Adz-Tool, the K-Tool is designed for forcible entry.
113
What is the first step in using the K-Tool?
Place the K-Tool on top of the rim lock
## Footnote
Proper placement is essential for effective use.
114
What should you insert into the stirrup when using the K-Tool?
The Adz of the halligan
## Footnote
This provides leverage needed to manipulate the rim lock.
115
What action is taken after inserting the Adz into the stirrup with the K-Tool?
Hit down on top of the halligan driving the K-tool behind the rim lock
## Footnote
This step is crucial for creating access to the rim lock.
116
What is the next step after driving the K-tool behind the rim lock?
Pull down on the forked end of the halligan to remove the rim lock
## Footnote
This action disengages the lock from its position.
117
What tool is used to manipulate the lock inside the door after using the K-Tool?
The key tool
## Footnote
This tool is necessary for accessing the internal mechanisms of the lock.
118
What is the power rating of the hydraulic generator PTO?
3.6 KW (3600 watt)
## Footnote
This is the maximum capacity of the generator PTO.
119
What is the recommended operational capacity for the generator PTO?
80% of the rated capacity (2880 watts)
## Footnote
Exceeding this capacity may require turning off other equipment.
120
What should be turned off if the demand exceeds the generator capacity?
Tiller Cab AC
## Footnote
This is necessary to prevent overloading the generator.
121
How many redundant switches are there to turn on the generator PTO?
2
## Footnote
One switch is located at each engineer driving position.
122
Where is the breaker panel located on the ladder?
Inside the first rollup door on the engineer’s side of the tiller ladder
## Footnote
The location differs for tower ladders and straight stick ladders.
123
What is the wattage requirement for the Tiller Cab AC?
2400 watts
## Footnote
This device consumes a significant portion of the generator's capacity.
124
What is the wattage requirement for the Edraulics A/C Adaptor?
2000 watts
## Footnote
This device also requires a considerable amount of power.
125
What is the wattage requirement for the Sump Pump?
800 watts
## Footnote
This is a lower power requirement compared to the Tiller Cab AC and Edraulics A/C Adaptor.
126
What is the wattage requirement for the Ram Fan?
600 watts
## Footnote
Similar power consumption as the Tempest Fan.
127
What is the wattage requirement for the Tempest Fan?
600 watts
## Footnote
This device is used alongside the Ram Fan.
128
What is the wattage requirement for the Halogen Portable Light?
500 watts
## Footnote
This light is used for illumination purposes.
129
What is the wattage requirement for the LED Portable Light?
220 watts
## Footnote
This is a more energy-efficient lighting option.
130
How long are the cord reels located on the ladder?
300 feet
## Footnote
There are two of these cord reels on the ladder.
131
What is located at the end of each cord reel?
A lighted junction box
## Footnote
This facilitates power distribution.
132
How many 15 AMP twist lock plugs are in each junction box?
4
## Footnote
These plugs are used for connecting various devices.
133
How many 110 Volt plugs are in each junction box?
4
## Footnote
These plugs allow for additional device connections.
134
What function do the cord reels serve while on scene?
Act as a power supply
## Footnote
This is crucial for operating equipment at the scene.
135
What does RIT stand for?
Rapid Intervention Team
136
Which companies carry RIT bags?
All Ladder and Squad companies
137
When is a RIT required?
When a Squad and a Ladder Company are assigned
138
What is included in a RIT Bag?
* (1) 60-minute SCBA bottle
* (2) trans-fill lines
* (1) SCBA face piece attached to a regulator
* (1) 3’ buddy breathing port line (optional)
139
What is the purpose of the purge button on the RIT regulator?
To cause the regulator to free flow
140
What are the two ways the purge valve can be used?
* Clear the mask of smoke after donning it on the victim
* Provide air to a downed firefighter unable to breathe deeply
141
How do you stop the free flow from the purge valve?
Press the bottom button on the regulator
142
What is the difference between the purge valve and the bypass valve?
The purge valve allows air to flow through the second stage, while the bypass blows around it
143
What other items are commonly found in RIT Bags?
* Webbing
* Pickoff straps
* Triple-XXX
144
What is the function of webbing and pickoff straps in RIT Bags?
To package a patient for rescue
145
What is a RIT rope?
A search rope deployed by the RIT to help crews find their way in and out of a structure.
146
What are the two types of RIT ropes currently used in JFRD?
Old Style and New Style.
147
What is the length of the Old Style RIT rope?
130’-140’ long.
148
What are the two methods used by the Old Style RIT rope to help orient firefighters?
Knots and Rings, and 1 IN, 2 OUT.
149
True or False: The Old Style RIT rope is only used by Ladder Companies.
False.
150
Fill in the blank: The Old Style RIT rope has _______ separate ways to help orient firefighters.
2.
151
What does RIT stand for?
Rapid Intervention Team.
152
What is the purpose of attaching a RIT rope to something substantial outside of a structure?
To help crews find their way in and out of the structure as needed.
153
What do the 'Knots and Rings' consist of?
'Rings' tied to the rope every 20 feet
154
How many knots follow the first ring at 20 feet?
1 knot
155
How many knots follow the ring at 40 feet?
2 knots
156
What is the pattern of knots and rings throughout the rope?
A ring followed by a number of knots, increasing with distance
157
At 100 feet, how many knots follow the ring?
5 knots
158
What is the purpose of the knots and rings for firefighters?
To help orient firefighters
159
Where do the knots always go in relation to the rings?
After the rings, toward the fire (IN)
160
What does the 1 IN, 2 OUT system signify?
1 knot is toward the fire (IN), 2 knots are toward the exit (OUT)
161
How many sets of 1 IN, 2 OUT knots are located between each set of rings?
2 sets
162
What does '1 IN' indicate?
Toward the fire
163
What does '2 OUT' indicate?
Toward the exit
164
How do you determine the direction using the 1 IN, 2 OUT system?
Feel along the rope to locate the knots
165
If you go in the direction of the single knot, where will it lead you?
Further into the structure (1 IN)
166
If you go in the direction of the two knots, where will it take you?
Toward the exit (2 OUT)
167
What is the length of the New Style RIT Rope?
220’ long
## Footnote
The New Style RIT Rope has specific features that differentiate it from older models.
168
How often are rings placed on the New Style RIT Rope?
Every 10’
## Footnote
Rings help in determining how far into a structure the user is.
169
How many knots are present before and after the ring on the New Style RIT Rope?
2 knots before the ring and 1 knot after the ring
## Footnote
This knot arrangement is part of the 1 IN, 2 OUT principle.
170
What does the '1 IN' and '2 OUT' principle refer to?
1 IN (Toward the FIRE), 2 OUT (Toward the EXIT)
## Footnote
This principle is used for safety during operations.
171
How can a user determine how far into a structure they are when using the New Style RIT Rope?
By counting rings as they move into the structure
## Footnote
This method is crucial for navigation and safety.
172
What is the length of the personal retractable search ropes used by some companies?
25’
## Footnote
These ropes are designed to enhance search capabilities.
173
What feature allows a searcher to cover a larger area while maintaining contact with the main RIT Rope?
The retractable search rope can be attached to a ring on the main RIT Rope
## Footnote
This design improves search efficiency and safety.
174
True or False: The retractable search ropes have knots or rings.
False
## Footnote
Retractable search ropes are designed without knots or rings.
175
What is a pick-off strap used for?
It is used in the packaging of a down firefighter.
176
How does a pick-off strap benefit crews?
It enables crews to quickly package the firefighter without using the firefighter's SCBA waist belt.
177
What types of equipment do Ladder Companies carry?
They carry ropes, pulleys, and carabiners.
178
What is the purpose of the ropes, pulleys, and carabiners carried by Ladder Companies?
They can be used to build various rope systems.
179
Where can more information about rope systems be found?
In SOG 419 and the JFRD Rope Rescue Operations Manual on Target Solutions.
180
What type of equipment do ladder trucks carry for extrication?
Extrication equipment.
181
Where can specifications for extrication equipment be found?
In the JFRD’s Engine Company Engineer Manual and Extrication Manual.
182
List the types of extrication equipment carried by ladder trucks.
* Chains
* High lift jack
* Cribbing
* J-hooks
* Come-a-long’s
183
What type of pump is the Barnes Portable Submersible Pump?
Sump Pump
## Footnote
A sump pump is used to remove water from basements or other areas prone to flooding.
184
What is the horsepower and voltage of the Barnes Portable Submersible Pump?
.33 HP, 120 Volt
## Footnote
This specification indicates the power and electrical requirements of the pump.
185
Does the Barnes Portable Submersible Pump have an ON/OFF switch?
No, it turns on when plugged into power
## Footnote
This design means the pump operates continuously while connected to an electrical source.
186
What is the length of the power cord on the Barnes Portable Submersible Pump?
20’ power cord
## Footnote
The power cord includes wire cord protection.
187
At what depth can the Barnes Portable Submersible Pump pump approximately 50 GPM?
19’
## Footnote
GPM stands for gallons per minute, a measure of the pump's flow rate.
188
What is the primary use of the Barnes Portable Submersible Pump?
Dewatering
## Footnote
Common applications include upper floors of structures, basements, and ships.
189
What type of thread is fitted on the Barnes Portable Submersible Pump for hose attachment?
1.5” male thread
## Footnote
This allows for easy connection to hoses for water discharge.
190
What equipment does every JFRD ladder truck carry?
2 ½” x 2 ½” gated wye
## Footnote
A gated wye is a fitting used in firefighting to split a water line into two directions.
191
What is the flow rate of cellar nozzles at 50 PSI?
500 GPM
192
What is the initial pump discharge pressure (PDP) for cellar nozzles?
150 PSI
193
What is the maximum operating pressure for cellar nozzles?
200 PSI
194
What is the spray diameter of cellar nozzles?
40’
195
True or False: The newer model of cellar nozzles features a control device.
True
196
What is a notable feature of the older model of cellar nozzles?
It does not have a control device and the nozzle can be swapped out.
197
Where can cellar nozzles be used?
In cellar (basement) fires or placed into the attic from the roof.
198
Fill in the blank: Cellar nozzles must be kept _______ and lubricated.
[cleaned]
199
What happens if cellar nozzles are not maintained properly?
They will bind up and not spin freely.
