Engine Operations Flashcards
strategy vs. tactics
p. 11
general plan vs. specific actions
“own water”
p. 29
when a hydrant is close enough to optimal first-due engine positioning w/out using a supply engine
Announcing “own water” will redirect ____ from the hydrant.
p. 29
the second-due engine
“forward lay”
p. 29
first-due engine drops a supply line at a hydrant before driving to the incident location ; another engine company secures water for the first-due engine
In a forward lay, where does the first-due engine drop its supply line?
p. 29
at the closest hydrant preceding the incident
“split lay”
p. 30
performed when an incident is at or near an intersection, if the location has a long driveway, or if the location is otherwise restricted in access
In a split lay, the next-arriving engine must…
p. 30
…continue the split to the hydrant on the next street.
“reverse lay”
p. 31
when the second-arriving engine drops supply line at the first-arriving engine and then proceeds to the hydrant
What elements may prevent a supply engine from passing the incident?
p. 31
- narrow streets
- street parking
- poorly positined first-arriving units
For rural water incidents, supply line must be ____.
p. 31
laid out from a feasible location for an engine or tanker to supply from a static water source.
An engine company’s primary function is ____.
p. 31
stretching and operating hoselines
An incident’s success is most often defined by ____.
p. 31
the initial hoseline’s success.
What saves more lives and conserves more property than any other fireground operation?
p. 31
Efficient deployment, appropriate positioning, and effective application of fire streams.
What determines the flow required to extinguish a fire?
p. 32
Fire size and intensity.
Most residential fires require a flow rate of ____ and a ____ hoseline.
p. 32
100-200 gpm ; 1 3/4”
The 2 1/2” hoseline is appropriate for ____ and often requires ____ firefighters to advance.
p. 32
commercial buildings, exterior attacks, exposures ; up to 6
“estimating the stretch”
p. 32
determining the needed length of hose
Accurately estimating the stretch can prevent ____ and ____.
p. 32
stretching short ; overstretching
Estimating the stretch formula:
p. 33
setback + width of building + length of building + 1/2 length per floor + 1 length at the point of attack
“setback”
p. 33
distance from the engine to the building entrance
The average residential roadway width is approximately ____.
p. 33
12 feet
The modern single-vehicle driveway is approximately ____.
p. 33
12 ft. wide x 25 ft. long
The average sedan or SUV is approximately ____.
p. 34
6 ft. wide x 15 ft. long
____ feet of hoseline can cover each floor of a typical NOVA single-family dwelling.
p. 34
50
