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Safety of Tourist Submersibles (1990) / Chapter Skim
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CHAPTER 4: SYSTEM SAFETY ISSUES
Pages 31-34

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From page 31...
... The purpose of this study was to assist the Coast Guard in identifying potential safety issues associated with tourist submersible operations. A preliminary hazard analysis of a representative tourist submersible system was performed, and fault tree analyses were developed for a selected list of undesired events (failure scenarios)
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From page 32...
... For a specific submersible design, a hazard analysis should also address the explosion hazard associated with other components of the oxygen system and their physical location on the submersible. The hazard analysis should address specific hazards relating to the various valve designs, piping configurations, materials of construction, etc., considering factors such as the compatibility of metallic and soft materials (seals)
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From page 33...
... The level of safety risk acceptable for tourist submersibles is currently indicated by the Coast Guard as "safety at least equivalent to that required for a surface craft of similar size and service.~4 The documentation indicates that this equivalence may be achieved in part through a combination of design requirements and operational procedures. Since there are various design and operational tradeoffs, there needs to be a consistent approach for determining the resultant safety level.
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From page 34...
... RECOMMENDATIONS REGARDING SYSTEM SAFETY The Coast Guard should pursue the establishment of safety requirements and criteria for hazard controls in areas posing serious safety implications (as recommended by the DOT report, "Passenger Carrying Submersibles: System Safety Ana~sis~) where there presently are none.
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Key Terms

  • hazard analysis
  • tourist submersibles
  • safety risks
  • tourist submersible
  • hazard control

  • design phase
  • safety review
  • passenger submersible
  • control measures
  • submersible safety

  • formal hazard
  • contemporary safety
  • marine safety
  • safety programs
  • safety center

  • safety issues
  • submersible design
  • hazard controls
  • guard headquarters
  • surface craft

  • failure modes
  • certification review
  • false alarms
  • inspection plans
  • dot report

  • surface vessel
  • detailed hazard
  • safety hazard
  • operational safety
  • contact coast


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