Ladder Company Engineer Manual Part 4 Flashcards
(170 cards)
1
Q
What is the purpose of placing multiple cellar nozzles inline on a roof?
A
To replace a trench cut and ensure overlapping spray coverage
This method eliminates gaps in spray coverage.
2
Q
How far apart should cellar nozzles be spaced on a roof?
A
Approximately 20 feet apart
This spacing ensures the spray from each nozzle overlaps.
3
Q
What is one advantage of using cellar nozzles from the roof instead of making a trench cut?
A
Requires less cutting and less time to implement
4
Q
True or False: Firefighters can work under and around cellar nozzles while they are operating.
A
True
5
Q
Fill in the blank: The cellar nozzle can act as a makeshift _______.
A
[sprinkler]
6
Q
What should be done to utilize a cellar nozzle effectively when a fire is close?
A
Cut an inspection hole in the roof near the fire and insert the cellar nozzle
7
Q
What is the Drop Down Nozzle?
A
A distributor nozzle attached to a 26’ long section of 2.5” hose
8
Q
What measurement is marked by the red line on the Drop Down Nozzle hose?
A
5’ from the male end of the hose
9
Q
What is the diameter of the Drop Down Nozzle?
A
6 inches
10
Q
What is the purpose of the 3.5” to 2.5” stream shaper?
A
It is used with the smooth bore nozzle at the end of the ladder pipe
11
Q
How is the Drop Down Nozzle used during firefighting operations?
A
It is lowered into a hole in the roof created by fire or ventilation cuts
12
Q
What does the red line on the hose indicate?
A
It provides a visual indicator for the engineer to determine how much hose has been lowered
13
Q
What should be ensured before charging the Drop Down Nozzle?
A
The aerial nozzle is pointing down to prevent kinking
14
Q
Can the Drop Down Nozzle be used simultaneously with crews working below?
A
Yes
15
Q
At what pressure does the Drop Down Nozzle provide 550 GPM?
A
150 PSI
16
Q
What is the coverage area of the Drop Down Nozzle at 150 PSI?
A
36’ diameter
17
Q
What is the purpose of the Attic Nozzle?
A
To distribute a fog spray of water throughout a large area of attic space.
18
Q
What is included in the complete set of Attic Nozzle?
A
Two lengths of 1 ½” aluminum pipe (6’ and 2’), a 1 ½” x 2 ½” increaser, and a standard 2 ½” playpipe.
19
Q
What is the approximate flow of the Attic Nozzle at 100 PSI?
A
Approximately 150 GPM.
20
Q
When is the Attic Nozzle especially useful?
A
For fires located in the attic space, particularly those caused by lightning strikes.
21
Q
What does NFPA 1983 state about the Ladder Belt?
A
It is intended for use as a positioning device for a person on a ladder.
22
Q
How is the Ladder Belt worn?
A
Over the bunker gear while working from the tip of the aerial.
23
Q
What safety feature does the Ladder Belt include?
A
A carabiner attached to a rung on the aerial to prevent the firefighter from falling.
24
Q
Fill in the blank: The flow of the Attic Nozzle is approximately _______ at 100 PSI.
A
150 GPM
25
True or False: The Attic Nozzle can only be used for fires not caused by lightning strikes.
False
26
List the components of the Attic Nozzle set.
* Two lengths of 1 ½” aluminum pipe (6’ and 2’)
* A 1 ½” x 2 ½” increaser
* A standard 2 ½” playpipe
27
What type of harness is a Class III Harness?
Encompasses Fully body
## Footnote
Class III Harnesses are designed for fall protection and rescue operations.
28
What is a feature of portable LED ground lights?
Adjustable tripod, up to 12’ tall with light
## Footnote
This feature allows for flexibility in lighting height and positioning.
29
What is the purpose of deploying ground lights at exits during structure fires?
Help interior crews identify exits
## Footnote
Ground lights enhance visibility for firefighters navigating the structure.
30
How do ground lights assist crews during salvage and overhaul operations?
Power to the building will have been secured
## Footnote
This ensures safe working conditions during cleanup after firefighting.
31
What is the benefit of turning on Ladder and Engine Scene Lighting at night?
Improve overall fire ground safety
## Footnote
Increased visibility helps crews and highlights hazards.
32
Fill in the blank: Portable LED ground lights are used to aid crews during _______.
salvage and overhaul operations
## Footnote
This phase occurs after the fire has been controlled.
33
What is a litter/stokes basket used for?
Gear and/or patient transport where it would prove difficult under normal conditions
## Footnote
Litter/stokes baskets are commonly utilized in rescue operations.
34
What should be attached to the litter/stokes basket at all times while in use?
A tag line
## Footnote
This is crucial for safety during transport.
35
What does the setup of the ropes and anchor system for a litter/stokes basket rescue depend on?
The situation and the crew preference
## Footnote
Different scenarios may require different approaches.
36
Where can more information on patient packaging be found?
The JFRD Rope Rescue Operations Manual found on Target Solutions
## Footnote
This manual contains detailed guidelines for rescue operations.
37
What type of air system do JFRD ladder trucks have?
Onboard high-pressure cascade air system
## Footnote
This system supplies two separate air hose reels.
38
How many air hose reels are supplied by the cascade air system?
Two air hose reels
## Footnote
One reel is located on each side of the ladder.
39
Where are the cascade system regulators located?
On the engineer’s side of the ladder inside the 2nd rollup door
## Footnote
This allows the engineer to set the air pressure for each line.
40
What is the maximum pressure for the onboard high-pressure cascade air system?
300 psi
41
How is the onboard high-pressure cascade air system refilled?
Using the air hose attached to the cascade system located in the fire stations
42
What is the rated capacity of the onboard cylinders in the Pierce Ascendant tiller ladder?
6000 PSI
43
What should you do if the male connection is smaller than the female connection on the compressor?
Use an adapter to refill the onboard system
## Footnote
This situation indicates an old style 4500 PSI onboard system.
44
Fill in the blank: The maximum pressure for the onboard high-pressure cascade air system is _______.
300 psi
45
True or False: The cascade system regulators can adjust the pressure for both air hose lines simultaneously.
False
## Footnote
The pressure for each air hose line can be set individually.
46
What equipment do ladder trucks normally carry related to air chiseling?
Portable air chisel connected to an SCBA and three blades (long flat, short flat, and panel)
## Footnote
Onboard air reels may have an additional air chisel attached.
47
Name two air chisels typically found on JFRD ladder trucks.
Top Gun air chisel and Streeper air chisel
48
What is the operating pressure range for the Top Gun air chisel?
90-200 psi
49
What initial starting pressure should be set for the Top Gun air chisel's onboard cascade system regulator?
150 psi
50
What is the operating pressure for the Streeper air chisel?
300 psi
51
What type of regulator does the Streeper air chisel come with?
300 psi preset regulator for use with an SCBA bottle
52
True or False: The Streeper air chisel can be used with the onboard cascade system without adjusting the regulator.
False
53
Fill in the blank: The operating pressure for the Top Gun air chisel is _______.
90-200 psi
54
Fill in the blank: The onboard regulator for the Streeper air chisel must be adjusted when using it with the _______.
onboard cascade system
55
What equipment do ladder trucks carry related to air bags?
Ladder trucks carry (2) air bags, a regulator, and a controller.
56
What is the maximum air pressure for air bags?
118 psi
57
How is the lifting capacity of an air bag calculated?
Length of bag x width of bag x 100
58
How much will the bag lift at its rated capacity?
1 inch
59
What is the relationship between an air bag's rated capacity and its maximum height?
The bag will lift 1⁄2 of its rated capacity at its max height.
60
What is the maximum height of an air bag?
Half the width of the bag.
61
How many air bags can be stacked?
Bags should not be stacked more than 2 high.
62
What determines the lifting capacity of the bag?
The contact surface area.
63
What is the pop out safety zone angle for air bags?
45 degrees from the most likely direction of travel.
64
What should remain clear in the pop out safety zone?
Personnel.
65
Where can more information on air bags be found?
JFRD’s Heavy Lifting Manual (2006) on Target Solutions.
66
What is the function of the air controller?
To inflate and deflate the air bags.
67
What safety feature does the air controller have?
A pop off valve that activates at 145 psi.
68
How many inlets and outlets does the air controller have?
(1) inlet and (2) outlets.
69
What controls does the air controller include?
Up and down controls for each outlet.
70
What is the primary purpose of ladder companies regarding elevator emergency calls?
Ladder companies are assigned to elevator emergency calls.
71
Which key is the most commonly used among elevator door keys?
Drop Key
72
What is the second most commonly used elevator door key?
Half Moon
73
What is the function of elevator control keys?
They enable firefighters to control the operation of the elevator during an emergency.
74
Where is the elevator control key typically inserted?
On the main floor near or inside the elevator lobby.
75
Fill in the blank: Elevator control keys are not to be confused with _______.
[elevator door keys]
76
What should be referred to for more information on elevator control keys?
SOG 407, High Rise, Appendix A, page found on Target Solutions.
77
What is the primary responsibility of the Ladder Engineer(s) at a structure fire?
Completing tasks outside of the structure while the majority of the crew works inside.
78
Why is it important for Ladder Engineer(s) to communicate tasks over the radio?
To provide critical information for crews operating on scene and those still enroute.
79
List some essential tasks that need to be performed by the Ladder Engineer(s) at a structure fire.
* Power Secured
* Gas is shutoff
* Water is shutoff
* Ladder placed on the ______ side window
* Ladder placed on the ______ side of the roof
* Burglar Bars removed on the _____ side
* The Back Door is Open
80
What should be yelled into the structure when the back door is opened?
BACK DOOR IS OPEN!
81
True or False: The order of tasks performed by the Ladder Engineer(s) is fixed and must be followed strictly.
False
82
What should the Ladder Engineer do if they need help with a task?
Ask for help as soon as possible.
83
Fill in the blank: Tasks that may need to be completed but not communicated over the radio include placing an attic ladder near the _______.
front door
84
What should not be done until the command is given during a structure fire?
Starting the fan
85
What does the term 'Situation Under Control / Signal 77' mean?
Forward progress of the fire has been stopped.
86
What happens when the PPV fan is started at a structure fire?
Smoke from the structure is blown out, which may temporarily appear as if the fire is worsening.
87
What should crews on scene be prepared for when using a PPV fan?
Dealing with unseen hot spots that may ignite small fires.
88
Why is effective and thorough overhaul important when using a PPV fan?
To prevent unseen hot spots from feeding fresh air and creating small fires.
89
What is a recommended action for the Ladder Engineer(s) when the smoke and conditions do not improve after starting the fan?
Anticipate the need to shut down the fan.
90
What are water keys used for?
To shut off water mains or water to a building or residence
## Footnote
Water keys are essential tools in managing water supply systems.
91
What type of valve is used to shut off a residence?
Quarter-turn valve
## Footnote
These valves allow for quick shut-off of water supply in residential settings.
92
How is a water main valve different from a residential valve?
A water main valve is not a quarter-turn valve and requires multiple turns to shut off
## Footnote
The difference in operation reflects the size and function of the valves.
93
What tool is used to remove the cover protecting the valve in the ground?
Hook
## Footnote
This tool is essential for accessing underground valves safely.
94
What is the purpose of the brass chain on the end of a water key?
To ground the tool and protect against electrical shock
## Footnote
Grounding is crucial for safety when working near utilities.
95
What additional tool is needed to operate larger water keys that lack handles?
Cheater bar
## Footnote
A cheater bar provides the necessary leverage to operate larger valves.
96
Where are water main valves typically located?
Near or in the street, directly on top of the water main
## Footnote
Their location allows for easier access for maintenance and emergency shut-off.
97
What is the newer style of water valve mentioned?
¼ turn valve
## Footnote
This type of valve is designed to turn on or off with a quarter turn of the handle.
98
What is the older style of water valve mentioned?
Handwheel water valve
## Footnote
This type of valve typically requires multiple turns to open or close.
99
What is the purpose of the Mays tool?
To help shut off the water
100
Where is the Mays tool placed?
On the hand wheel of the OS&Y valve
101
What does OS&Y stand for?
Outside Screw and Yoke
102
What are the basic parts of a single-phase electrical service?
1. Electrical Drop
2. Weather Head
3. Conduit bringing power from the weather head to the meter
4. Meter
5. Main Breaker
6. Electrical Panel
## Footnote
There are (6) different parts listed, but all (6) may or may not be present on scene.
103
What should you do if a 3 Phase drop must be cut?
Contact JEA
## Footnote
It is important not to cut a 3 phase drop.
104
How many parts are listed in a single-phase electrical service?
6
## Footnote
All parts may or may not be present on scene.
105
Fill in the blank: The part that brings power from the weather head to the meter is called the _______.
Conduit
## Footnote
This is a crucial component in the electrical service.
106
True or False: The electrical panel is one of the basic parts of a single-phase electrical service.
True
## Footnote
All listed parts are essential for securing power.
107
What is the function of the main breaker in a single-phase electrical service?
To control the flow of electricity to the electrical panel
## Footnote
It acts as a safety switch.
108
What is the purpose of the weather head in an electrical service?
To provide a weatherproof entry point for electrical drops
## Footnote
It protects the electrical service from environmental elements.
109
Fill in the blank: The _______ measures the amount of electricity used in a building.
Meter
## Footnote
This is crucial for billing and monitoring energy consumption.
110
What is the consequence of cutting a 3 phase drop?
Potentially dangerous and should be avoided
## Footnote
Always contact JEA if cutting is necessary.
111
What is a Hot Stick used for?
To secure power by cutting the electrical drop coming into a residential structure
## Footnote
The Hot Stick is a tool designed for safe electrical work.
112
What equipment must be worn along with the Hot Stick?
Lineman’s Gloves and bunker gear
## Footnote
These items provide protection while working with electrical systems.
113
Is it safe to cut any drop going into a commercial structure or apartment complex?
No
## Footnote
Always contact JEA to have them cut the power in such cases.
114
What can the hot stick be used for besides cutting the electrical drop?
To cut or move a drop that has burn through
## Footnote
This helps make the fire ground safer for crews.
115
Where can more information on securing power to a building be found?
In the full Power Point Presentation on 'Securing Power to a Building' found on Target Solutions
## Footnote
This presentation provides detailed guidance on the subject.
116
What is the purpose of JEA Tools?
To remove locks placed around the meter or meter box to prevent tampering with electricity
## Footnote
JEA Tools include specific keys designed for this purpose.
117
What are the two types of JEA Tools used?
JEA Lock keys
## Footnote
These keys are designed to fit specific locks on meter boxes.
118
What is the difference between the two JEA Lock keys?
One key is slightly longer because it is recessed
## Footnote
This design difference helps in fitting specific locks.
119
What tools can be used to help remove certain locks?
Flathead screwdriver or 7/32” allen wrench
## Footnote
These tools assist in the removal of locks when the JEA keys are not available.
120
What are wire cutters used for in the context of JEA?
To remove a metal tag that keeps the box shut
## Footnote
This is necessary for accessing the meter box.
121
What is the regular key used for?
To remove padlocks installed by JEA
## Footnote
These padlocks are intended to minimize tampering.
122
How can JEA padlocks be removed if necessary?
They can be easily cut with bolt cutters
## Footnote
This is a last resort method for accessing locked areas.
123
What are meter covers also known as?
Pie plates
## Footnote
These covers protect exposed connections after a meter is removed.
124
What is the primary function of meter covers?
To protect firefighters and citizens from exposed connections
## Footnote
This safety measure is important during emergencies.
125
How do you remove the lock from the meter?
Insert the JEA key until the pin on the key engages the lock, then lift up on the handle of the key.
126
What should you do after removing the lock from the meter?
Open the front of the meter and grasp it to press down firmly, disengaging the connections.
127
What is the danger associated with the connections when removing the meter?
The connections can electrocute you if you touch them.
128
What should you do after removing the meter?
Place a meter cover (pie plate) over the connections.
129
Fill in the blank: To secure power, _______ after removing the meter.
the power has been secured
130
What is the purpose of shutting off the main breaker?
To secure the power to all or a designated section of the building
## Footnote
Shutting off the main breaker is a safety measure used in various situations.
131
Where is the main breaker typically located?
Next to the meter under a cover that must be lifted
## Footnote
The location of the main breaker can vary based on the building type.
132
In which types of buildings is the main breaker usually found?
Newer homes, homes with updated electrical systems, and some commercial buildings
## Footnote
Older buildings may have different configurations.
133
What should be noted about the location of the electrical meter?
It can be located almost anywhere, including on power poles or inside homes
## Footnote
Locations can vary significantly based on the building's design.
134
What is a potential challenge when locating the electrical meter on older homes?
The power line drop may enter from one side of the house and run through the attic to the meter on the other side
## Footnote
This can complicate the process of securing power.
135
What is a critical safety warning concerning III Phase power?
DO NOT cut or pull the electrical meter
## Footnote
Handling III Phase power incorrectly can lead to dangerous situations.
136
What aids in finding and securing power to a structure?
Proper size up, preplanning, and experience
## Footnote
These factors are crucial for effective power management.
137
Fill in the blank: The only way to secure a live electrical wire running through the attic is by _______.
cutting the power line drop
## Footnote
This is necessary when the electrical meter is removed or the main breaker is shut off.
138
What should you refer to for more information on securing power to a building?
The full Power Point Presentation on 'Securing Power to a Building' found on Target Solutions
## Footnote
This presentation provides in-depth guidance on the subject.
139
Can solar power be completely secured on scene?
No, solar power cannot be completely secured on scene.
140
What are the methods to secure A/C power?
Methods include shutting off the main breaker, pulling the meter, or cutting the electrical drop.
141
What type of power hazards are associated with solar panels?
D/C power hazards are associated with solar panels.
142
List the components that pose electrical shock risks in solar power systems.
* Solar panels
* Solar array
* Power cord from solar array to junction box
* Inverter
* D/C power storage batteries
143
Where should a D/C disconnect be located?
At least one D/C disconnect should be located next to the A/C meter.
144
What should be done to shut off power from the solar array to the inside of the structure?
Use the safety switch located on the side of the D/C disconnect.
145
True or False: Shutting off the D/C disconnect will also shut off power from the solar array to the solar panels on the roof.
False.
146
What remains energized after shutting off the D/C disconnect?
The solar array, solar panels on the roof, and the battery inside the structure remain energized.
147
What extreme caution should be taken when working around solar power systems?
Extreme caution should be taken due to the electrical shock hazard that still exists.
148
What types of hazards can transformers pose if involved in a motor vehicle accident (MVA)?
Transformers can pose electrical hazards.
149
Fill in the blank: The electrical hazards associated with solar panels are primarily related to _______.
[D/C power]
150
What is the role of the D/C disconnect in a solar power system?
To shut off power coming from the array to the D/C disconnect.
151
How many D/C disconnects may be present for larger solar arrays?
There will be multiple disconnects located right next to each other.
152
What type of power do solar panels generate?
D/C power.
153
What is the primary function of a Natural Gas Meter?
To measure the amount of natural gas consumed
154
How can natural gas be shut off at the meter?
By turning the ¼ turn valve (petcock)
155
If there are multiple petcocks on the gas meter, which one should be shut off?
The petcock closest to the ground on the line coming out of the ground
156
How many gas meters should there be per residence?
Only (1) gas meter
157
What is the gas meter situation in a converted duplex with 2 apartments?
(2) gas meters and (2) electrical meters
158
In an apartment building, how many gas meters and electrical meters should there be per residence?
(1) gas meter and (1) electrical meter
159
True or False: A single-family home should have multiple gas meters.
False
160
Fill in the blank: The petcock is turned _____ to shut off the gas.
¼ turn
161
What is LP?
Liquid Propane
162
Where is the shutoff valve located on an LP container?
On top of the container
163
What should be done to shut off the LP?
Turn the valve
164
Where is the shutoff valve located on an underground propane container?
Under the lid
165
How can neighborhoods be supplied with propane?
From a bulk container
166
What type of meter is used for structures supplied by bulk propane?
A meter similar to a natural gas meter
167
What units carry MultiRAE devices?
Ladder Companies, the Haz-Mat Team, and other JFRD units
## Footnote
MultiRAE devices are used for detecting hazardous materials.
168
What does the MultiRAE detect?
Various hazardous materials
## Footnote
Specific detection capabilities are not listed in the provided text.
169
What is a safety consideration regarding the power adapter of the MultiRAE?
The power adapter is not intrinsically safe and should be removed while in use
## Footnote
This is important to prevent potential hazards during operation.
170
Where can additional information about the JFRD MultiRAE be found?
In the JFRD MultiRAE Class PowerPoint found on Target Solutions
## Footnote
This resource likely contains detailed operational guidelines and specifications.
