Chapter 22: Wildland Urban Interface Flashcards Preview

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Flashcards in Chapter 22: Wildland Urban Interface Deck (14)
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1
Q

Wild Land Urban Interface

A

any area where structures are located adjacent to or among combustible wildland fules

2
Q

9 Parts of wild land fire

A
Head:fastest moving
Fingers:Lang narrow strips rapidly burning
Rear/Heel: opposite the head, slow burn
Flanks: sides of fire 
Perimeter: boundaries of fire
Islands: unburned areas inside the fire 
Green: area out side the fire
Black: Blackened land consumed by fire
Spot fire: fires outside the main body caused by wind and sparks
3
Q

Fire Bans: Fire Marshal, Dep. Chief public safety, Fire chief

FDD FBI
code index

A

Decision to issue a fire-ban is based on a consideration of 6 code components: Fire Weather Index System

Fine Fuel Moisture Code
Duff Moisture Code
Drought Code

Fire Weather Index
Build Up Index
Initial Spread Index

4
Q

Strategic Considerations of WIldland

LASE

A

Looksouts
Anchor points
Safety Zones
Escape Routs

5
Q

Types of Wildland FIre

A

Crown
Surface
Ground

6
Q

Main Factors Infulencing Fire Behaviour

A

-Fuel:Ground, Surface, Crown
-Weather :30/30 Cross over:<30%Hum.+>30’C= ext.Fire
For every 11’ increase in temp Hum. drops by half
Wind,Temp,Humidity,Percipitation
-Topography

7
Q

Ranking of Fire 1-6

A

1: smoldering/creeping ground
2: Low Vigor surface fire
3: Moderately Vigorous Surface Fire
4: Highly Vigorous surface fire
5: Ex.t Vig. Fire or active crown Fire
6: Blow up or Conflagration

8
Q

Size up En-route

A

Smoke,Weather,assess best route, Water supply

9
Q

Size up on arrival

A
What do I Have
What is it doing
What do I have to do
Resources needed
what am I going to do
10
Q

Methods of attack

A

Direct:Flank, Frontal, Mobile: putting the wet stuff on the hot stuff

Indirect: use of natural barriers and fuel removal to set up control lines

11
Q

Mop Up the Fire

A

Burn excess fuels

Remove fuel so that it cannot burn

12
Q

3Rs

A

Retreat
Regroup
Re-Assess

13
Q

We us what type of hose lay

A

Progressive

14
Q

Class A Foam

A
  1. 1: deep seated fire
  2. 1-.0.5%: wildland & grass Fire
  3. 5: structural firefighting
  4. 0% Protecting exposures and creating foam barriers