Commercial Structure Appendix 3.2.2.3a Flashcards Preview

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Flashcards in Commercial Structure Appendix 3.2.2.3a Deck (21)
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1

A large building with uncompartmented spaces routinely 40,000sft or larger?

big box

2

Tactical strategies for a big box fire?

exterior/interior size up assessment
supplement suppression system
assess life safety and evacuation
determine fire location
extension considerations/prevention
confine/extinguish the fire
ventilation

3

What determines progress?

skillful application of sound principles

4

What are the building factors for a big box fire?

Smoke
air flow path
heat
flame

5

What are two of the most important indicators of fire behavior?

pattern of smoke and air movement

6

What should happen if multiple calls are reported?

a 2nd alarm

7

If unable to conduct a recon what needs to happen

3 side view

8

Evident heavy smoke or heavy fire conditions indicating involvement of any truss roof system should result in what?

exterior attack

9

What four methods of observing the structure can be utilized?

drive around
incoming resource
thermal imagery
elevated platform

10

_______ should be considered effective only for small incipient fire suppression or later overhaul operations?

standpipe use

11

What is the most prominent limiting factor affecting standpipe use in bog boxes?

inconsistent or unknown locations

12

What other negative factors affect standpipe use in big boxes

non standard attachments
potentially limited flows

13

What is the most reasonable rescue attempt in a big box?

Focused area search

14

Where should RIT be established at big boxes?

Each entry point

15

How far past the entry point should interior hose stretches be limited to in big boxes?

150ft

16

With moderate to heavy smoke at the ceiling and crews not at the seat of the fire what should be considered?

evacuate the building and go defensive

17

If the roof in a tilt slab construction building loses stability what direction can the walls fall?

outward

18

What should the primary responsibility of first arriving crews be on a big box?

life safety
exposure protection

19

With crews operating inside the building and conditions worsening what should be done quickly?

vertical ventilation

20

Which utilities in a big box fire, unless electrical in nature, should be secured?

water
gas

21

Study Big Box Lookout Situations Pg 7

y