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Date: Tue, 22 May 2001 00:00:36 -0700
From: Paul Braunbehrens <Bakalite@ba*.co*>
Subject: Re: Less than one mistake margin of error
To: techdiver@aquanaut.com
I think it's important to distinguish between deaths directly related 
to diving, and deaths that happen while diving but otherwise 
unrelated.  A cave collapsing due to an earthquake, or a heart attack 
due to exertion or other deaths of this kind aren't really related to 
diving per se.  They could occur anytime, doing a wide range of 
activities.  Your house could collapse on you in an earthquake, or 
you could have a heart attack jogging.

It's a minor point, but I think an important one when we analyze 
accidents in order to learn from them.

BTW, I think a clusterfuck is when a series of relatively minor 
problems combine in such a way as to create a truly dangerous 
situation.  Each problem on it's own would have been solvable, but 
the combination of problems does you in.

Cheers.


Wendell Grogan wrote:
~
>Oh sure, I wasn't trying to imply that making just one mistake or having
>one failure will do you in.  Its more that your need to use redundancy
>and pay attention to detail in order to minimize the number of things
>that go wrong and like you said, make sure you aren't screwed by any one
>thing that does go bad.
>If you recall, the term clusterfuck was coined by Clint Eastwood's
>character in "Heartbreak Ridge" to describe the way in which the US
>military managed to lose a war against a small third world country by
>seemingly going out its way to do everything wrong while seeking out and
>embracing every source of accidental injury possible.
>If you think about it, you can either have a clusterfuck by doing
>everything right and having random chance get you- for example, do
>everything right in a cave in California and die when a number 8
>earthquake brings the roof down on your head.  Or you can have a
>clusterfuck by having unlabeled regs, turning on the 15 cu ft pony
>instead of your main tank, jump off the boat and drown in 80 feet trying
>to figure out why the hell your "back up" reg won't give you any air...
>(Delaware Bay last year).
>I guess that's the point I was trying to make, thanks for pointing out
>what I left out.
>Wendell
>
>Jim Cobb wrote:
>>
>>  I don't think that technical diving has zero tolerance for error. It is
>>  usually a chain of errors known in the sport as a "clusterfuck" which lead
>>  to the demise of a diver.
>>
>>  The idea, IMHO, is to make errors survivable by redundant systems, a good
>>  plan and a large safety margin. Certainly there are events which can lead to
>>  certain death (a wing falling off your plane, a collapse during a
>>  penetration), but if diving were risk-free, it would not be any fun would
>>  it?
>>
>>     Jim
>>   -------------------------------------------------------------------
>>   Learn About Trimix at http://www.cisatlantic.com/trimix/
>>
>>  > From: "Joe W" <arizonajeep@ho*.co*>
>>  > Reply-To: <arizonajeep@ho*.co*>
>>  > Date: Sun, 20 May 2001 06:49:20 -0700
>>  > To: "'Wendell Grogan'" <wgrogan@dc*.ne*>, "'Trey'" <trey@ne*.co*>
>>  > Cc: <techdiver@aquanaut.com>
>>  > Subject: Less than one mistake margin of error; was RE: FW: Steve Berman
>>  >
>>  > Wendall,
>>  >
>>  > You bring up a great point... in technical diving your margin of error is
>>  > almost always less than one mistake.
>>  > I'm a pilot, and in flying, you can be one mistake high, or two mistakes
>>  > high, or three mistakes high... in technical diving; you often don't have
>>  > that luxury.  Funny, almost every extreme sport turns out to be 
>>that way...
>>  > zero tolerance for error, which is perhaps why George is the way 
>>he is; zero
>>  > tolerance (although he could stand to brush up on his 
>>presentation skills a
>>  > bit <grin>).
>>  >
>>  > If my life depended on the skills of the people who I am diving 
>>with (as it
>>  > sometimes does with technical diving), I would make sure that I only dive
>>  > with the best.  Divers with bad gear choices, bad conditioning, and bad
>>  > diving skills are all walking around with a sign on their forehead:
>>  >
>>  > "I consume your margin of error"
>>  >
>>  > It makes sense to dive with people who share your beliefs on gear, your
>  > > skills, and your conditioning.  The chain is only as strong as 
>its weakest
>>  > link.  Hell... when MY LIFE depends on someone else; I only want the best
>>  > around me.
>>  >
>>  > Regards,
>>  >
>>  > Joe West
>>  >
>>  >
>>  >>
>>  >> I think another point all this illustrates is that this is a
>>  >> technically
>>  >> demanding sport.  Or to put it in other terms, every time we
>>  >> go diving,
>>  >> we are one mistake/dumb choice away from sudden death.
>>  >> What burns me about the commentary by a certain person best
>>  >> left unnamed
>>  > <snip>
>>  >
>>  > --
>>  > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'.
>>  > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
>>  >
>>
>>  --
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-- 
Paul B.
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