Chapter 10 Flashcards
The primary mission on the fireground is life safety, therefore, fire control, search, and ventilation/nonventilation become primary tactical objective.
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Conditions, staffing, and resources should drive fire ground tactics and tasks.
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We now know that, apart from fire department operations, three things impact the survivability of a given space in the structure, the proximity to the fire, the elevation in the space, and whether or not the room/volume is isolated from the fire.
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When multiple high-priority tasks must be accomplished sequentially, fire control should be the first priority. Rescue of trapped occupants is the first strategic priority but not necessarily the first tactical priority.
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More people are saved by a well-placed and advanced hose line than by any other tactic.
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When high-priority tasks can be accomplished simultaneously, it is important to support and protect the rescue or search operations using hose lines and flow path management.
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Water reduces the impact of radiant heat or direct flame contact on exposed surfaces.
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A water curtain is not effective on radiant heat transfer as direct application.
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Direct water application to exposed surfaces using straight or solid stream or large droplet fog is the preferred technique.
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A flow and move technique is most effective in dwellings with a known fire location, or if a shut down and move technique is utilized, reapplication of water as needed to control heat rebound of fire is necessary.
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Hose stream air entrainment should be limited when no vent is available opposite the fire.
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PPE can be quickly compromised during interior advancement within a convective flow.
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Direct fire control should be conducted as soon as the fire seat is located and can be reached with a water stream.
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The ideal position is the air intake side of the flow path with flow path control.
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Smoke or surface cooling prior to direct attack may be appropriate.
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