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Flashcards in Collapsed Structures Deck (8)
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1
Q

What are the 2 categories of the causes of collapse, give examples of each

A

Natural: Hurricane, Earthquake, lightning, flooding, subsidence
Human : Renovation, Accidental impact, Terrorist induced ( airplane crash, vehicle crash)
Accidental gas explosion

Often without warning-> trapped casualties

2
Q

What are the 2 types of building in terms of collapse and how do they differ under causes of collapse.

A

Framed: steel/ reinforced concrete skeleton supports the load of building. Collapse usually isolated/ localised. Less likely than unframed
Unframed: eg traditional British house. Walls carry the load. Can lead to total collapse with large area of debris

3
Q

Collapse type can be categorised as INTERNAL, EXTERNAL, TOTAL.
What types of internal collapse are there.

A

Pancake
Lean-to
“V”
Tent

4
Q

Collapse type can be categorised as INTERNAL, EXTERNAL, TOTAL.

List types of External collapse

A
  • 90’ angle collapse ( most dangerous of external collapse because wall collapses to a distance at least= to its height)
  • Curtain fall collapse
  • Inward/outward collapse
5
Q

What is total collapse

A

All floors have fallen to ground/ basement level and all walls have collapsed on to the floors

6
Q

USAR capability consists of 5 modules, what are they

A
Module 1= Structural collapse 
Module 2= major transport 
Module 3= breaching & breaking 
Module 4 = multi purpose vehicle (MPV)
Module 5= Timber
7
Q

What are the 6 stages of rescue.

A
R recon and survey
E eliminate utilities 
P primary surface search/rescue 
E exploration of voids, cavities 
A access by selective debris removal 
T terminate by general debris removal.
8
Q

NGOs May offer their services at collapsed structure incidents. What actions to be taken if this happens.

A

Offers to be referred to OOD, via London Operations Centre (LOC) who will refer the offer to the duty AC. NGOs should not take any role unless approved by duty AC.