WUI Flashcards
Interface
Structures have clear line of demarcation to woodland fuels along roads and fences.
Intermix
Structures scattered throughout WL area
TRA
Preplanned area where FF can take temporary refuge without use of fire shelter. Lee side of structure, inside structure, parking area..
Threatened defensible
safety zone and TRA present.
lack of defensible space, or other challenges require FF to use structure defence strategies during fire
Threatened non-defensible
either no safety zone or TRA and or structure is unsafe to defend during fire front
Is it ok to base your decision to remain at structure on use of SCBA
No
Equipment placement
-ID TRA and safety zones
-stay mobile and wear all PPE
-back rigs and park in clear area
-park behind structure, placing structure between rig and fire
-have defence line ready
-avoid long hose lays
-keep sight contact with personnel
Water use guidelines
-Keep at least 100 gallons as reserve
-top off at every opportunity
-conserve water
-extinguish fire at lowest intensity, not while flaring up
-apply water only if it controls the fire spread
Class A foam guidelines
-direct attack at base of flames
-apply to roofs and siding 10-15 mins prior
-foam vegetation surrounding structure
What is the greatest challenge when making a strategy for structure defence?
making an accurate fire behaviour forecast in advance of the fire arrival
What is implied by the term tactical maneuver
-movement of purposeful reaction to change
-most effective when potential change to primary plan have been identified and planned for
True or false- Tactical manoeuvres can be offensive or defensive
true
7 tactical actions available to structure defence resources
- check and go
- prep and go
- prep and defend
- fire front follow
- bump and run
- anchor and hold
- tactical patrol
Check and go
-rapid eval to check for occupants requiring removal or rescue
- for threatened non-defensible
Prep and go
-implies that some prep of structure may be safely completed prior to recourses leaving area
-for threatened non-defensible