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[world-cruising] Re: the dangers of sem submerged containers

From: cirejay (no email)
Date: Sat Jun 03 2006 - 07:45:30 EDT

  • Next message: cirejay: "[world-cruising] Maintaining convention in replies"

    --- In , "Ken James" <nautikat at dot dot dot >
    wrote:
    >
    > I'm not saying it can't happen or has never happened, only that
    the threat
    > is not nearly as large as some suggest.
    >
    > I am sure that is true. However that does not negate the fact that
    it is in
    > fact a very real and signifigent risk.
    >
    > Personally, I've never met anyone
    > who has had a collision with a container, nor have I seen an email
    from such
    > a person.
    >
    > I don't know about emails, but there have been many, many reports
    in sources
    > over the web and in published documents as well as studies, Gov't
    and
    > othewise, that reveal the risk to be a valid concern.
    >
    > I have, however, met many sailors who delight in fabricating
    > stories of the dangers "out thar".
    >
    >
    > Sure. And many who deny actual risks as well.
    >
    >
    > The physics of containers will result in nearly every one sinking
    shortly
    > after they're lost overboard.
    >
    >
    > In fact it is true that most remain afoat at least for some time.
    Also a
    > signifigent percentage float for much longer times. A few may
    float for
    > weeks or months. If there are thousands a year being lost and only
    5% float
    > that is still a lot of hazards that are very hard to spot.
    >
    >
    > a Containers are steel. They are not air- or
    > watertight.
    >
    > Some are in fact. But true most are not.
    >
    > Typically, containers are filled to capacity, because the
    > shippers charge just as much to ship an empty container as a full
    one. So,
    > for a container to remain "semi-submerged" - i.e., partially
    afloat - it
    > must be filled with cargo that will displace the weight of the
    container
    > plus any water it ships. That can happen; it just won't happen
    often.
    >
    > What makes you think that is so? If you research the matter you
    will see
    > that in fact all sorts of cargo has been found in floating
    containers,
    > shoes, electronics, books, toys, wood pulp, too much stuff to
    mention.
    > There has even been the suggestion to put a dissovable plug in
    them to make
    > them sink but it was pointed out it would not work, due to the
    buyancey of
    > the cargo.
    >
    > There are as many as 10,000 containers lost over the side of ships
    every
    > year;
    >
    > http://www.cargolaw.com/2004nightmare_unstacked.html
    >
    > At least some of them float and are a hazard;
    >
    > http://www.oceannavigator.com/article.php?a=1008
    >
    > There is plenty of evidence that collision with them is a real
    risk and does
    > happen on a regular basis, some of these are well reported
    collisions by
    > well known sailors fairly recently;
    >
    >
    http://www.latitude38.com/LectronicLat/2001/May2001/May21/May21.html
    >
    > http://www.ganssle.com/jack/aarwen.html
    >
    > http://en.wikipedia.org/wiki/Vend%C3%A9e_Globe
    >
    > http://www.cruisingconnections.co.za/forums/topic.asp?
    TOPIC_ID=71&whichpage=2
    >
    > http://no-barriers.com/node/108
    >
    > http://www.sailingsource.com/scuttlebutteurope/951.php
    >
    >
    > There are three risks that are commonly underestimated in my
    opinion that
    > any cruising boat that sails long enough may well have happen,
    lightning,
    > hitiing a whale, and hitting a container. Here is info about
    vessels hitting
    > whales, not that uncommon;
    >
    > http://www.nmfs.noaa.gov/pr/pdfs/shipstrike/lwssdata.pdf
    >
    > The thing about shipping containers that makes them dangerous is
    that they
    > are very hard to detect.-Ken
    >

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