Course 700 - Introduction to Safety Management

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Sample accident investigation event sequence

Understanding the sequence of events leading up to an accident is very important. The following sequence of events is based on a real-life accident which resulted in the death of an employee.

  1. Employee #1 returned to work at 12:30 p.m. after lunch to continue laying irrigation pipes.
  2. At approximately 12:45 p.m. employee #1 began dumping accumulated sand and laying the irrigation mainline pipe.
  3. Employee #1 oriented the pipe vertically and it Contacted a high voltage power line directly over the work area.
  4. Employee #2 heard a "zap" and turned to see the mainline pipe falling and employee #1 falling into the irrigation ditch.
  5. Employee #2 ran to employee #1 and pulled him from the irrigation ditch, laid him on his back and ran about 600 ft. to his truck and placed a call for help on his mobile phone.
  6. About four minutes later, paramedics arrived and began to administer CPR on employee #1. They also used a heart defibrillator in an attempt to stabilize employee #1.
  7. At about 1:10 p.m., an ambulance arrived and transported employee #1 to the hospital where he was pronounced dead at 1:30 p.m.