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Alpha Piper, Main source of information: Cullen, W.D.: The Public Inquiry…

- - - - Pressured for time and requirements for high production
      - Cullen, W.D (1990) confirms that with the evidence available that the gas leak from the removed safety valve was key for the ignition of the initial explosion.
- - - - Hendershot, D.C. (2013) details consequences of oil continuing to enter Piper Alpha.
- - - - Market price changes
      - Consumer demand
- - - - Alarm in control room - condensate pump B tripped
        
        They could not fix the problem with pump B.
        
        Team leader starts to use the pump in Module C which they thought maintenance had not started after checking permit.
        
        Alarms go off in control room signalling gas leak.
        
        First explosion occurs
        
        Control operator hits emergency shutdown - emergency alarms system damaged and do not sound.
        
        1 more item...
- - - - Policies and procedures
      - Training and induction
      - Work permits
      - Cullen, W.D. (1990) breaks down the organisational factors
  - - - Decision making, supervisor and maintenance
- - - - Helipad covered by smoke almost instantly
    - - Located near explosion zone
    - - Boadribb, M. (2014) details the design error that the firewalls could not handle even small explosions.