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Fire on dive boat Conception in CA

Discussion in 'Accidents and Incidents' started by divezonescuba, Sep 2, 2019.

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  1. chillyinCanada

    chillyinCanada Solo Diver Staff Member

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  2. KevinNM

    KevinNM DIR Practitioner

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    They had a membrane system, no O2 bottles other than med gas.

    There were reports of tank explosions, the owners of the Grape Escape reported a series of explosions that went on for a while. They were not specific as to what was blowing up, but probably wouldn't be given the way that fire looked. But what would you expect would be exploding that early in the fire?
     
  3. Stoo

    Stoo NAUI Instructor

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    Seems I missed that. :rolleyes:
     
  4. chillyinCanada

    chillyinCanada Solo Diver Staff Member

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    The summary is in the first post and has been reposted regularly within this thread.
     
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  5. tursiops

    tursiops Marine Scientist and Master Instructor ScubaBoard Supporter

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    Most recently post #1673...Fire on dive boat Conception in CA.



    A ScubaBoard Staff Message...



    Thanks for pointing that out. It is also posted in the first post of this thread and updated there and throughout as things change.
     
  6. Ravenware

    Ravenware Angel Fish

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    The tanks were on the back of the boat, and that was the last area to burn, and it did not burn as much. Then the boat sank.
     
  7. JackD342

    JackD342 Dive Shop

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    Also, a full cylinder in a fire would likely heat enough to blow the pressure disc before heating enough for the metal vessel to fail.
     
  8. broncobowsher

    broncobowsher Solo Diver

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    I've had a thought.
    There has been some discussion about smoke detectors, possibly not going off. What if it didn't? But it passed testing? The general test for most smoke detectors is to press the "test" button and hope you remember hearing protection while doing so. So the screaming memmie yells good and loud, but did it actually detect any smoke? Electronics in a salt water environment have never been known to be a good mix. Will the detector actually detect smoke? was it the right kind of smoke to trigger the detector? I remember something a long time ago about different detectors and one was tolerant of steam from a shower or a kitchen but the other style would fire off.
    It was just a thought. Not like it will be able to be tested now since it burnt up and sat on the bottom of the ocean for a week. Could you fault the crew/USCG as they tested the detector is designed to be tested?
     
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  9. KevinNM

    KevinNM DIR Practitioner

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    The founder of PSI said that they can explode in a fire, as aluminum loses strength very fast, and the metal might reach yield strength before the pressure in the air rises to activate the burst disk. Espacially if the tanks were like half full. Say like after a night dive when the plan was to refill them in the morning...
     
  10. Bob DBF

    Bob DBF Solo Diver

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    Not really. Bureaucratic organizations need to have a means to address safety issues as soon as possible, especially if the cause is not immediately found, knowing it may take a long time for committees to come to a solution. This is how the USCG does it.

    My reading:
    These type boats are still operating, something real bad happened, for now these are the things we (USCG) want you to do to avoid a reocourance until the cause is found and we can be more specific.

    Since the majority of the bulletin was to emphasize basic seamanship, they don't have any cause yet so the only solution is for crews to be extremely professional and vigilant. This has been answer to disaster at sea since men first set sail.

    And a warning not to trust lithium batteries, or daisy chained power strips, and other suspect electrical practices, just in case.



    Bob
     
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