TB 155 - Wildland Urban Interface Structure Defense Flashcards
WUI Meaning?
Wildland Urban Interface
Successful WUI firefighting operations are accomplished by selecting sound ___________ supported by effective _________ actions that keep firefighters safe, protect the public and minimize property loss
Strategies
Tactical
LEADERS INTENT - The first and foremost intent during structure defense is to keep firefighters and the public ______
Safe
LEADERS INTENT - Secondly, once that safety can be ensured, then we can aggressively work towards keeping the wildland fire away from ___________ and ___________
Structures
Communities
__________ - There is a clear line of demarcation between the structures and the wild land fuels along roads or back fences
Interface
_________ - a condition where structures are scattered throughout a wildland area
Intermix
______ ______ - A preplanned area of sufficient size and suitable location that is expected to protect fire personnel from known hazards without using fire shelters
Safety Zone
___________ _______ _____(___) - A preplanned area where firefighters can immediately take refuge for temporary shelter and short-term relief without using a fire shelter
Temporary Refuge Area (TRA)
_______________: Safety Zone and TRA are present
Not-Threatened
_____________ ___________: Safety Zone and TRA are present and construction features, lack of defensible space, or other challenges requires firefighters to implement structure defense tactics during fire front contact
Threatened Defensible
___________ ___________: Either there is no Safety Zone or TRA present and/or the structure has challenges that do not allow firefighters to safely commit to stay and protect the structure during fire front contact
Threatened Non-Defensible
Water Use Guidelines: Keep at least ____ gallons of water reserve in your tank
100
Tactical ___________ implies movement or purposeful reaction to change
Maneuver
Tactical _________ must be developed in conjunction with anticipated changes in the fire environment, or fire behavior
Planning
“_____________” is a rapid evaluation to check for occupants requiring removal or rescue
“Check and Go”
“____________” implies that some preparation of the structure may be safely completed prior to resources leaving the area
“Prep and Go”
“______________” is a tactic used when a Safety Zone and TRA are present and adequate time exists to safely prepare a structure for defense prior to the arrival of the fire front
“Prep and Defend”
“________________” is a follow up tactic employed when Check and Go, Prep and Go, or Bump and Run tactics are initially used
“Fire Front Following”
“_______________” is a tactic where resources typically move ahead of the fire front in the spotting zone to extinguish spot fires and hot spots, and to defend as many structures as possible
“Bump and Run”
“_______________” is a tactic utilizing control lines and large water streams from fixed water supplies in an attempt to stop fire spread. The goal is to extinguish structure fires, protect exposures, and reduce ember production
“Anchor and Hold”
“_________” is a tactic where the key element is mobility and continuous monitoring of an assigned area
“Tactical Patrol”
Road Access - Grade (greater than ___%)
15
Clearances/Exposures/Defensible Space - Adequate clearance around structure-minimum of ____’
100
POWER LINE SAFETY - Maintain a ___’ distance from transmission lines
35
