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Hi there, it's amazing to see the unwillingness of training agencies to change to a simpler or safer method. For what ever reason they have an agenda and the safety of divers that are being trained or conforming to their standards is second to their egos or stupidity or probably both. This topic has been going for some day's now and it seems to me that the agencies find it just too "Hard" a problem to correct. The most obvious thing is sometime's the hardest to see. Will someone take Tom to the optometrist! -----Original Message----- From: kirvine@sa*.ne* <kirvine@sa*.ne*> To: Paul Chapman <paul@de*.de*.co*.uk*> Cc: Tom Mount <TOM.MOUNT@wo*.at*.ne*>; cavers@cavers.com <cavers@cavers.com> Date: Monday, April 19, 1999 8:47 PM Subject: Re: labeling reply to Bill Mee (TANK MARKING) >Paul, good work . One would think that it is not necessary to explain >something this obvious to one who runs a "training" agency. > >Paul Chapman wrote: >> >> Tom, for all the flak, kudos to you for being willing to discuss this >> (and the rest) in public...in response to your, apparently rhetorical, >> question "What is so complex" I'd like to respond: >> >> >2. A stage cylinder based on its use will have A gas type >> identified(Nitrox or DECO gas or Oxygen or >Breathing gases othrer >> than air) around the cylinder it is a VIP sticker on it and it has A >> MOD at the pper >portion of the cylinder it has a taped contents so >> the diver may read it at a glance >> >> Great, so you have a choice of four different gas types that may be >> identified on a stage cylinder, nothing complex there then...?!?!?!? >> >> >3. The hottest mix has a cover around the 2nd stage. >> >> Why? If I pick up a revolver clearly labelled "bullet in chamber five" >> should I put it my head and just pull the trigger four times, or >> should I take one last look at the actual cylinder for old times sake? >> The reg cover, together with it's relatives (plugs, colours, lables, >> etc) is worse than irrelavent, it's positively dangerous, since it >> instills a false sense of security in the diver (this reg doesn't have >> a cover, it must be OK to breathe). It's madness to take one gas >> (MaxO2) out and have a different handling procedure for that gas than >> all the other gasses. Why not have the same handling procedure for all >> gasses? >> >> The tank is the single point at which this can all be sorted out. It >> should be checked during filling, then verified by the diver before >> diving...that's at least two checks, including a personal check by the >> diver who'll be actually using the gas (that's me...it's my ultimate >> responsibility). If I get distracted and put the wrong reg (not that I >> could tell anyway) on the bottle, it doesn't matter, if I stuff the >> plug in the wrong reg (not that I'd use one), then it doesn't matter. >> When I come to swap gasses I check they're all turned off, pick the >> bottle I need (by the MOD marked on it), un-stow the reg and turn the >> bottle on...picked the wrong reg? oops, can't breathe...turned on the >> wrong bottle?...oops, can't breathe. How simple is that? It's the same >> for all the tanks, I don't need a separate procedure for high O2, or >> to remember to plug the correct reg, or to wear it on the correct side >> of the body, or any other stuff. My last resort against total >> fuckwittedness on my part is that the MOD is written in massive >> letters on the bottle for my buddy to see. >> >> Again...How simple is that? >> >> Regards >> >> Paul Chapman >> >> >
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