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© 2014 Underwriters Laboratories Inc.
Top 20 Tactical
Considerations from
Firefighter Research
Steve Kerber, PE
Director
UL Firefighter Safety Research Institute
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If you hear…
• Never ventilate…
• Never go inside…
• Always throw water from the outside…
• Never go over a basement fire…
• Never vertically vent…
• Everything you did in the past is wrong…
You aren’t listening!2
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What you should hear/be thinking…
• It is rare that always and never applies
• That’s why we do that, glad I have been doing it
• That could work for my department if we train on it
• I can use this information to be more educated
/aggressive than ever to:
o Put the fire out faster and more efficiently
o Have less of a chance of getting hurt or killed
o Reduce the chance victims are hurt or killed
3
The Science of Firefighting is not that Complicated!
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#20 – No amount of
technology is going to
replace the need for you
to know your profession
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New Technology
SCBA
5
Apparatus
Turnout Gear
SCBA
Tools
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#19 – Your workplace has
changed, you have to
evolve
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Today’s Fire Environment
Larger Homes Open Spaces Evolving Fuel
Loads
Inc. Voids
Spaces
Changing Bldg.
MaterialsSmaller Lots New Technologies
Faster fire propagation
Shorter time to flashover
Rapid changes in fire
dynamics
Shorter escape times
Shorter time to collapse
Inc. Exposure Problems
New and Unknown Hazards
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#18 – You never want to
be between where the fire
is and where it wants to
go without water or a
door to close.
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#17 – Fire flows from
high pressure to low
pressure.
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Venting Near the Seat of the Fire
FAR
NEAR
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#16 – Vent, Enter,
ISOLATE, Search (VEIS)
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#15 – Venting does not
always lead to cooling;
well-timed and
coordinated ventilation
leads to improved
conditions.
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Tactical Patience
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#14 – Water in the eaves
can get the water where it
needs to go for attic fires.
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#13 – Don’t let our
training props set us up
for failure.
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Ventilation Training
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#12 – Forcing the front
door is ventilation and
must be thought of as
ventilation.
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#11 – Controlling the
door: Limit the air, limit
the size of the fire.
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Control the Front Door
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Control the Front Door
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Door Control
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ONE-STORYTWO-STORY
• Door control is a temporary action (water on fire / door open)
• Door control is not only for hoseline advancement (search)
• Door control is not only for the front door (apartments)
• If door may relatch then use tool, hoseline or different tactic
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#10 – No smoke showing
means nothing. Once
and opening is made
read it.
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Reading Smoke
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Smoke Tunneling Effect/Rapid Air Movement
Smoke
tunneling vs.
smoke lifting
Sign that the
fire is
ventilation
limited
Should
trigger
awareness.
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Reading the Front Door / Neutral Plane
1st Floor Fire
Basement Fire
2nd Floor Fire
+-
+-
+-
You can learn a lot at the
front door if you take the
time to look.
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#9 – Coordination of vertical
ventilation must occur with fire
attack just like with horizontal
ventilation.
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#8 – Knowing how your
turnout gear works is
critical. Energy flows
from high to low.
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Heat Transfer through Turnout Gear
Uncompressed
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#7 – Keep the wind at
your back.
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#6 – Thermal imagers
may help indicate there is
a basement fire but can't
be used to assess
structural integrity from
above.
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TICs and Floor Collapse
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#5 – Fight the fire on the
level it is on.
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Bmt
Protecting the Stairs
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Protecting the Stairs
225°F → 210°F
110°F → 110°FClosed Bedroom
Open Bedroom
1250°F → 1450°FBase of Stairs
600°F → 400°FTop of Stairs
750°F → 750°FBasement Rear
Flow Path from Open Front Door and exits through Open Front DoorBasement 3 (644C) – 25 seconds of water
Flowing Water into the 1st Floor Basement Door Has Little Effect
Outlet
InletInlet
1200°F → 1500°FBasement Front
275°F → 260°FFront Door
21kW/m2→ 7kW/m2
Water Application
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Bmt
Water in the Basement Window
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Water through the Basement Window
225°F → 190°F
110°F → 110°FClosed Bedroom
Open Bedroom
1200°F → 400°FBase of Stairs
600°F → 200°FTop of Stairs
800°F → 300°FBasement Rear
Flow Path from Open Basement Window and Bilco Door, exits through Open Front DoorBasement 3 (644C) – 60 seconds of water
Flowing Water on the Fire Improves Conditions Everywhere in the Structure
Outlet
InletInlet
1700°F → 300°FBasement Front
250°F → 200°FFront Door
14kW/m2→ 0kW/m2
Exterior Water Application
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#4 - Use a broken stream to
flow water on solar panel
systems.
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Firefighter Safety and Photovoltaic Systems
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#3 – Water does not
push fire.
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Softening the Target
Transitional Attack
Quick Water
Fast Water
Hit it Hard from the Yard
10 Seconds for Safety
Blitz Attack
Darken it from the Exterior
WRECEO
………
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RRF
Water in a Window Does Not Push Fire
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Water in a Window Does Not Push FireFlow Path from Kitchen Windows
Rail Road Flat 2 (642A) – 14 Seconds of Water
Fire Cannot be Pushed – No Flowpath
500°F → 300°FRear Room
600°F → 300°FMiddle Room
1400°F → 200°FKitchen
550°F → 300°FHallway
EXP
OSU
RE 1
Water Application
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#2 – Door closest to the
fire truck should not
dictate line/stream
placement.
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Side A
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Side A
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Side A
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Side A
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#1 – Flow path and
suppression must be
considered together.
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Understanding Flow Path(Interior Water Application)
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Understanding Flow Path(Interior Water Application)
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Understanding Flow Path(Interior Water Application)
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Understanding Flow Path(Exterior Water Application)
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Understanding Flow Path(Exterior Water Application)
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Fire Behavior Position Statement
1. Size-up
2. Identify the flow path
3. Cool or “soften” the fire from the exterior
4. Assess and understand smoke tunneling
5. Vent close to the fire origin
6. Coordinate ventilation with hose attack
7. Vent Enter Isolate Search (VEIS)
8. Close the door
9. Control the access door
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Online Training Programs
Access online training programs at
www.ULfirefightersafety.com
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Technology Transfer - Online Training Programs
www.ULfirefightersafety.com
http://learn.isfsi.org/
Single Family Detached Dwelling Fire Tactics ProgramModern Construction Considerations for Company Operations
Fire DynamicsStation Night Club Fire AnalysisSuper Sofa Store Fire AnalysisThermometry – Underdevelopment
www.cfitrainer.net
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iPhone iPad Android
ALIVE : Web-Based and Mobile Applications
http://www.lacofdturnout.com/
www.poly.edu/fire
Wind Driven High Rise Fires
Modern Residential Fires
Fire Dynamics (July 2014)
YOUTUBE IAFFTV Fire Behavior and Tactical Considerations by NIST and ULTime to Survival, High-rise and Residential Deployment Studies
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www.FSTARtraining.org
www.modernfirebehavior.com
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QUESTIONS and DISCUSSION
Contact Information:
Steve Kerber, Director, UL Firefighter Safety Research
Institute
Dan Madrzykowski, Group Leader, NIST Firefighter
Technology Group
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