pn 302 collapsed structures Flashcards Preview

Naths London Fire brigade Bibliography For Lff 2020 > pn 302 collapsed structures > Flashcards

Flashcards in pn 302 collapsed structures Deck (9)
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1

2 causes of collapse

natural
human

2

3 natures of collapse

internal
external
total

3

4 types of internal collapse

pancake
lean to
v collapse
tent

4

3 types of external collapse

90deg angle (falls over full height)
curtain (falls downward)
inward / outward (some comes in and some out like a zigzag)

5

who can we call on for help

dangerous structure engineer
usar

6

other policies that may be relevant

major incident proceedure
terrorist
hazmats
civil disturbances
radioactive substances

7

12 considerations

> request dangerous structure engineer
> request usar advisor
> request any other specialists from other agencies
>rvp
>dedicated usar rvp
>keep machines away as to prevent vibrations etc
>appropriate ppe
> cordons
>do not force open doors or windows. may be supporting walls
>keep close to walls intenernally
> good comms with control and other agencies
>isolate utilities

8

how many usar modules

5
structural collapse
major transport
breaching and breaking
multipurpose vehicle
timber

9

six stages of rescue

repeat

reconnaissance
elimate utilites
primary surface search
exploration of voids
access by selected debris removal
terminate by general debris removal