Engine Co. Operations Manual Flashcards
What are the 5 types of Building Construction?
Type 1 - Fire Resistive Type 2 - Non-Combustible Type 3 - Ordinary Construction Type 4 - Heavy Timber Type 5 - Wood Frame/Light Weight
What are the four stages of fire?
Incipient, Growth, Fully Developed, Decay
How hydraulic ventilation achieved?
Fog nozzle 80% of the opening from 2ft to the opening/window. Uses Venturi effect.
What is rollover a warning sign of?
Flashover
What does RECEO VS stand for?
R - Rescue E - Exposures C - Confinement E - Extinguishment O - Overhaul V - Ventilation S - Salvage
What are the 5 fire ground principles of smoke?
- ) Smoke is potential fuel
- ) Smoke density and color are an indicator of flammability
- ) Velocity and pressure are indicators of heat and flow path
- ) Volume is an indicator of fire intensity
- ) All above indicators form an incident profile regarding the location/status/extent of the fire.
Before any ventilation takes place what questions must be answered?
- ) Location of the fire
- ) Current vent status
- ) Will adding additional vent areas effect fire status?
- Where are hose lines?
Earth’s atmosphere contains what % of oxygen?
21%
Define tactical withdrawal
A coordinated and specific relocation of units and their equipment operating from a untenable area to a safe area to continue ops.
Define emergency evacuation
A quick evacuation out of the IDLH which the engine company should maintain hand lines until everyone is out.
Water expands from water to steam at what ratio @ 212F?
1700 x
What is the reach of a smooth bore hand line @80psi or a fog nozzle @ 100psi?
185 ft.
What is the reach of a medium fog pattern?
Wide fog pattern?
50ft
25ft
Before deploying any other hose lines all companies must ensure?
That the primary hose line is in place and making progress.
Who has preference in regards to apparatus placement on scene?
Trucks/Towers
Define setback
The distance from the Engine Co. to the entrance of the fire building
Spacing - What is the typical spacing for a parking space?
Telephone poles?
10ft
75ft
It is preferred to chalk doors at what level?
The bottom
Nozzle reaction - what is the formula for nozzle reaction of a smooth bore nozzle?
1.57 x D2 x NP
Nozzle reaction - what is the formula for nozzle reaction of a fog nozzle
.0505 x Flow x square root of NP
Engine company driver’s ultimate responsibility is_____?
Getting crew members to and from the scene in a safe manner.
When the water level is “LOW” the Engine driver must communicate this information to who?
Crew inside the IDLH
Can you charge a second hoseline without a water supply?
Yes
When performing a split lay, who is responsible to connect the lines together?
The water supply engine
