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To: "Richard Pyle" <deepreef@bi*.bi*.Ha*.Or*>
Subject: RE: Ian Rolland Death
From: "HeimannJ" <heimannj@ma*.nd*.gt*.co*>
Cc: "Chris Hellas" <100422.2334@co*.co*>
Cc: "techdiver" <techdiver@opal.com>
Date: 21 Dec 1994 19:02:58 -0500

Richard Pyle on Wed, Dec 21, 1994 6:11 PM wrote:

>The fact that the rig allows a user to manually shut-off the oxygen
>injection system is by NO MEANS a design oversight.  
...
>Nevertheless, in view of all available data, it appears as though the
>o2-valve position was completely unrelated to his very unfortunate >demise.

I see the need for manual override of the O2 injection solenoid, but if there
is no alarm indicating that the O2 is off then this is indeed a design
oversight.   As long as the scrubber were working and CO2 were being removed,
a user who forgot to check his O2 valve might never know he was hypoxic and
just quietly lose consciousness and suffocate.   If this is indeed the case,
then attributing Roland's death entirely to diabetes seems disingenuous at
best.

John
Heimannj@ma*.nd*.gt*.co*

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