Accidents Architecture The C'→C' theory

This could be interesting for railway lawyers.

Basically we have two types of accidents.

  • SIMPLE CAUSE:   Or «SC», when the accident is produced by a unique cause «Z».
  • COMBINED CAUSE:   Or «C'→C'», where the accident itself is a consequence of a combined system of causes.    Under this circunstances you have 3 possible architectures:
    • SERIAL CAUSE:   It is the classical dominó, where factor Nº 1 activates factor Nº 2, and this the Nº 3, producing, as final result, an accident «X».   Nº 1 is the causal cause, what it means the starting element which starts the dominó.   Nº 2 is an intermediate element on that dominó chain.   Nº 3 is the consequent cause, what it means the «direct» accident starter.   Nº 3 generates the accident, but cannot do it so without Nº 1 activation.   A typical 3 elements accident chain can be notated as «A+B+C=X».
    • PARALEL CAUSE:   In this case accident is produced by a simultaneous factor combination where these factors have no relation between.   Under paralel cause factors must be identified with letters separated by a double bar.   So a 3 elements cause can be written as «(A//B//C)=X»
    • MIXED CAUSE:   Is the combination of both preceding causes.   The Valhalla crash could be an example, and probably notated as (A//B)+2+3=X 

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