Chapter 9 Flashcards

1
Q

Materials such as pre-incident plans and maps should be developed per NFPA 1620, providing information regarding the structure, its contents, and occupancy.

A

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2
Q

A visual assessment of all four sides of the structure looking at smoke conditions, fire conditions, openings, and personnel hazards is essential to assessing the fire dynamics occurring within the building to the extent practicable.

A

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3
Q

Information obtained during the 360 degree survey should challenge and verify the initial arriving A-side size up.

A

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4
Q

Fires that have become ventilation-limited may present with little to no smoke showing from the exterior when initial companies arrive on scene.

A

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5
Q

The flow path is the route by which the flow of gases, including air and fire gases, move from high pressure to low pressure.

A

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6
Q

Initial arriving companies need to evaluate all existing openings in the building to develop an accurate ventilation profile for the early stages of the incident prior to determination of strategy.

A

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7
Q

Flow path assessment should include an evaluation of the neutral plane relative to the size and physical position of the opening in relation to the fire location.

A

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8
Q

Some things to consider when assessing the flow path are the type of flow and the characteristics of the flow.

A

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9
Q

The impact of wind on a fire should be considered. Wind speeds of 10mph or greater may cause a high pressure in one area of the building and lower pressures in others.

A

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10
Q

Consideration should be given to temperature and its influence on stack effect.

A

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11
Q

Fire control positions should be established to prevent crews from operating above the main body of fire, or on the existing exhaust side of the flow path.

A

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12
Q

The combined processes of understanding of risk management, pre-arrival factors, and on scene factors will drive the decision of the initial declaration of strategy by the first arriving unit.

A

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13
Q

The incident commander should consider the entirety of the available information when making a decision with respect to strategy.

A

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14
Q

Crew accessibility to the fire is a key component in determination of strategy.

A

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15
Q

Selection of the appropriate operational strategy for the incident is based on the efficiency with which crews can perform their tactical responsibilities from safe and protected fire control positions.

A

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16
Q

The decision for implementing the offensive strategy is predicated on the ability of the IC to consider the most effective fire control positions.

17
Q

When the defensive strategy is selected, all control operations should occur in positions outside of the exclusion zone.

18
Q

Whenever there is a change of strategy, the IC should make the new strategy known via verbal or radio communications through the chain of command so that all on scene personnel are aware.