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  1. Tuttlet

    Fire on dive boat Conception in CA

    Granted, and entirely appropriate. What about inside though? If it's pouring out and you're gathered to chat, are the smokers really sent out into the gale? Not just divers, who may be more safety-conscious than others, but the rest of the boating community. My point was to determine if...
  2. Tuttlet

    Fire on dive boat Conception in CA

    Does anyone know the accepted practice for smoking on board? Seems a smoke detector in a gathering place would also alarm constantly if passengers are smoking near it. Is it permitted, frowned-up, forbidden. Does this change between pleasure boats and commercial operations?
  3. Tuttlet

    Fire on dive boat Conception in CA

    I note there was at least one "Emergency Escape Window" in the Conception-produced safety video (at 0:30). In the cabin, port side just aft of the galley. It's not shown how it functions, nor if any/all of the other windows had this function. Showed another escape option, but sadly a moot point...
  4. Tuttlet

    Fire on dive boat Conception in CA

    There are definite regulations for accommodation areas, galleys, engine rooms to name a few. I didn't find regulations for general areas saying "you must have a smoke or heat detector in every single area". [Edit. As the thread summary indicates] they did not need a smoke detector in the...
  5. Tuttlet

    Fire on dive boat Conception in CA

    Heat detectors seem to alarm around 55C/130F. Household detectors have an operating range of 0 to 40C and marine detectors -30 to 80C. There may be other response ranges. The galley area seemed to be not so hot as the aft, as the aft was engulfed and the forward galley was smoky. Perhaps not...
  6. Tuttlet

    Fire on dive boat Conception in CA

    "..The crewmembers attempted to access the salon and passengers below. Unable to use the aft ladder, which was on fire, the crewmembers jumped down to the main deck (one crewmember broke his leg in the process) and tried to access the salon and galley compartment, which was fully engulfed by...
  7. Tuttlet

    Fire on dive boat Conception in CA

    My hypothetical questions are these: Is a 3am unwitnessed, unalarmed cabin fire that has progressed to flashover an unsurvivable event? Are there no warnings to people in lower bunks, and if the crew fails to notice any signs of the fire is there entirely the possibility that this could...
  8. Tuttlet

    Fire on dive boat Conception in CA

    The front of half of the boat had three floors of combustibles, which would have collapsed into the hull as the floors gave way. Wherever it started, by the time it burned out, there may just have been more to burn in that section of the boat. The back of the boat had dive gear, tanks, the...
  9. Tuttlet

    Fire on dive boat Conception in CA

    Continuing this speculative account from those reports - which may or may not be factual, and apologies for the bluntness of the discussion: If there was no alert watcher for a period of some 5 to 15 minutes, not noticing an electrical overload (say), leading to smolder, fire, and...
  10. Tuttlet

    Fire on dive boat Conception in CA

    Thanks for sure, no offense intended. While I'm requesting unlikely and costly changes, I'd like to see an "open only in case of emergency" door at the top of the stairs. Yes, it would essentially open to the water, but would mean you wouldn't have to traverse the cabin & galley to get out.
  11. Tuttlet

    Fire on dive boat Conception in CA

    Excellent references. It's not my boat though, however it's great advice for other boat owners or the rest of Truth Aquatics' fleet. If you're "Grandfathered" but make a change to the boat - such as redesigning the exit hatch, do you then lose your grandfathering and have to obey new and...
  12. Tuttlet

    Fire on dive boat Conception in CA

    If this is a general rule of thumb: "you don't put smoke detectors in galleys", is it time for a rethink of this rule? Or at least inverse connect the smoke detector with the range hood, no human interaction required. Galley Ventilation on during cooking == smoke detector disabled Galley...
  13. Tuttlet

    Fire on dive boat Conception in CA

    I had this rough idea for a redesign of that bunk area. As a secondary egress it does not have to be vertical, is that correct? Stairs on a slope should have the advantage of somewhat forcing the top person outward if there was a crush behind, and you'd emerge more or less moving ahead and to...
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