1. Tutorial 5: Case Study Zzzs in Zeebrugge SY DE 142 – June 21, 2004
Introduction to Human Systems Engineering
Waterloo, Ontario, Canada

2. Outline
Case 1: “Zzzs in Zeebrugge”
Question and Discussion on Case 1

3. Case Study #1 Zzzs in Zeebrugge
Place: English Channel
Time: March 1987
Result:
- Ferry sank
- 188 passengers and some members of
the crew died

4. Zzzs in Zeebrugge Questions
Which personnel characteristics contributed to this accident?
Which job characteristics contributed to this accident?
Which equipment characteristics contributed to this accident?

5. 1. Personnel characteristics:
- age ability experience
- stress fatigue drugs/alcohol
- motivation

6. Zzzs in Zeebrugge Solutions
2. Job characteristics:
- boredom level timing
- ergonomic hazard work/rest/shifts
- physical workload mental workload

7. Zzzs in Zeebrugge Solutions
3. Equipment characteristics:
- controls and displays
- electrical/mechanical/thermal/pressure hazards
- toxic substances
- explosive hazards