TB 164 - Transitional Attack Flashcards

1
Q

The Transitional Attack Option is based on scientific studies by:

A

-Underwriters Laboratories (UL)

-Alcohol, Tobacco and Firearms (ATF)

-National Institute of Standards and Technology (NIST)

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2
Q

The LAFD definition of a Transitional Attack is the coordinated application of water with a _______ stream from the exterior of a structure that provides a brief “BREAK of the fire triangle” by COOLING the environment prior to transitioning into an offensive attack

A

straight

(This method underscores the fact that the faster water is applied, the quicker interior conditions become safer and more tenable.)

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3
Q

The UL, ATF, and NIST studies all show that water applied through a window or door exhausting fire or high velocity turbulent smoke can have a positive impact on interior conditions by _________ thus, improving survivability of civilians and increasing firefighter safety.

A

reducing temperatures

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4
Q

Transitional Attack is not intended to provide final extinguishment; therefore, interior attack teams must be ready to immediately engage in interior fire attack following ___________.

A

the termination of exterior water application.

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5
Q

The Transitional Attack Option should be considered whenever the following conditions exist:

Visible fire or high velocity turbulent smoke indicative of imminent flashover presenting from any door or window with consideration given to the following:

A
  • Fire conditions at the point of access make it UNSAFE TO ENTER.
  • ENTRY IS DELAYED by forcible entry challenges.
  • VENTILATION IS DELAYED or non-existent.
  • WATER SUPPLY IS DELAYED or insufficient.
  • Excessive storage or packrat conditions.
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6
Q

The following critical TACTICAL considerations must be identified and assessed PRIOR to executing a Transitional Attack:

A

-Officers should attempt to gain as much SITUATIONAL AWARENESS as possible prior to initiating this tactic (i.e., “360 degree size-up”).

-ALWAYS COMMUNICATE AND COORDINATE your tactical intent on the TAC CHANNEL to all companies prior to employing this tactic.

-LAFD personnel SHALL NOT be inside the structure at time of application.

-ONLY apply water into windows or doors that have “FIRE showing” or VOLATILE smoke indicative of imminent flashover.

-DO NOT employ if window pane is still intact.

-Transitional Attack streams shall ONLY FLOW water UNTIL a CHANGE in conditions are seen (i.e. bulk of fire is knocked down).

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7
Q

Consider the following when applying water through the window or door for a transitional attack:

A

-ONLY use a STRAIGHT STREAM to apply water into an opening.

-The straight stream shall be directed at a STEEP ANGLE and TOWARDS THE CEILING so it has the least amount of effect on the existing thermal balance.

  • The straight stream allows water to enter and steam/smoke to exit the opening.

-Do not use a swirling motion while flowing the straight stream into the opening.

  • Excessive water will unnecessarily increase generation of steam.
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8
Q

Why should you not use a fog pattern or any stream other than a straight stream for transitional attack?

A
  • A fog pattern would cover the entire opening and not allow steam/smoke to exhaust.
  • A fog pattern would rapidly create additional steam and thoroughly disrupt the thermal balance.
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9
Q

Transitional Attack Checklist:

A
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10
Q

To use the transitional attack technique effectively, direct a STRAIGHT STREAM through an open window or door at an EXAGGERATED ANGLE towards the ceiling of the involved room.

This action is similar to activation of a fire ______, thus cooling the upper atmosphere

A

-Sprinkler

(the same technique is used when encountering volatile smoke conditions).

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