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A programme of retrofitting many similar buildings usually begins with

  • A.a full detailed assessment of every building in the programme before any work starts
  • B.the immediate strengthening of every building without any assessment at all
  • C.the demolition of the buildings that are the oldest in the group
  • D.rapid visual screening to rank them

Answer: D

Correct answer: rapid visual screening to rank them

With many buildings and limited resources, the first task is to decide the order of work. Screening from the outside costs a fraction of an assessment and separates the plainly dangerous from the plainly adequate, so detailed work is spent where it will change a decision.

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