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This is a multi-part message in MIME format. ------=_NextPart_000_0028_01C0C59C.D87FD440 Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 7bit If it is not shut, it is open. dsmith218@ho*.co* ICQ# 25409809 Moderation is for the poor, and the healthy...of which I am neither. - Polver -----Original Message----- From: Joel Silverstein [mailto:JoelSilverstein@sn*.ne*] Sent: Sunday, April 15, 2001 12:48 AM To: David E. Smith; RDecker388@ao*.co*; rikard.lundgren@sw*.se* Cc: techdiver@aquanaut.com Subject: RE: Isolating Manifold Question If it's not open it's closed. At 10:18 PM 4/14/2001 -0400, David E. Smith wrote: I don't think it is "common sense" that a valve be fully open or fully shut. That is a matter of opinion. Clearly there are arguments/opinions for either method (fully open or partially shut). dsmith218@ho*.co* ICQ# 25409809 Moderation is for the poor, and the healthy...of which I am neither. - Polver -----Original Message----- From: RDecker388@ao*.co* [mailto:RDecker388@ao*.co*] Sent: Saturday, April 14, 2001 7:55 PM To: rikard.lundgren@sw*.se* Cc: techdiver@aquanaut.com Subject: Re: Isolating Manifold Question In a message dated 4/14/01 9:55:22 AM Eastern Daylight Time, rikard.lundgren@sw*.se* writes: > >As for the 3/4 of European divers using this method, divers taking there > first steps into tech training , do so with IANTD or TDI, > >, as shut downs are apart of syllabus, my instructor & people i have > listened to use this method, and as far as i a aware As the said > organisations are wide spread >around Europe , i can only conclude that they > are also shown this method. > I suspect this is more a matter of the individual instructor than what's actually in the standards. I've read both of these agency's standards at one time or another and do not recall a single line about requiring paritially open ISOs. Common sense dictates that all valves need to be either all the way on or all the way off. In a stressful situation requiring a valve shut-down it would be way too easy to turn the valve the wrong way if it's only partly open. With a strict on/off approach, the valve is only going to turn one way...... THE RIGHT ONE! Bare handed, gloves or mitts, shutting down a valve is not a difficult matter with a little practice. Bob D. www.SportDiverHQ.com -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. ------=_NextPart_000_0028_01C0C59C.D87FD440 Content-Type: text/html; charset="Windows-1252" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content=3D"text/html; charset=3Dwindows-1252" = http-equiv=3DContent-Type> <META content=3D"MSHTML 5.00.3019.2500" name=3DGENERATOR></HEAD> <BODY> <DIV><FONT color=3D#0000ff face=3DTahoma><SPAN = class=3D370301115-15042001>If it is not=20 shut, it is open.</SPAN></FONT></DIV> <DIV> </DIV> <P><FONT size=3D4><FONT color=3D#808000=20 face=3D"Lucida Handwriting">dsmith218@ho*.co*<BR></FONT><FONT = color=3D#000080=20 face=3DTahoma>ICQ# 25409809</FONT></FONT></P> <P><FONT color=3D#ff0000 face=3D"Monotype Corsiva" size=3D4>Moderation = is for the=20 poor, and the healthy...of which I am neither. - Polver<BR> = </FONT></P> <DIV align=3Dleft class=3DOutlookMessageHeader dir=3Dltr><FONT = face=3DTahoma=20 size=3D2>-----Original Message-----<BR><B>From:</B> Joel Silverstein=20 [mailto:JoelSilverstein@sn*.ne*]<BR><B>Sent:</B> Sunday, April 15, 2001 = 12:48=20 AM<BR><B>To:</B> David E. Smith; RDecker388@ao*.co*;=20 rikard.lundgren@sw*.se*<BR><B>Cc:</B>=20 techdiver@aquanaut.com<BR><B>Subject:</B> RE: Isolating Manifold=20 Question<BR><BR></FONT></DIV><FONT size=3D3>If it's not open it's = closed.=20 <BR><BR><BR><BR><BR>At 10:18 PM 4/14/2001 -0400, David E. Smith = wrote:<BR> <BLOCKQUOTE class=3Dcite cite type=3D"cite">I don't think it is "common = sense"=20 that a valve be fully open or<BR>fully shut. That is a matter of = opinion. Clearly there are<BR>arguments/opinions<BR>for either = method=20 (fully open or partially shut).<BR><BR>dsmith218@ho*.co*<BR>ICQ#=20 25409809<BR><BR>Moderation is for the poor, and the healthy...of which = I am=20 neither. -<BR>Polver<BR><BR><BR><BR><BR>-----Original = Message-----<BR>From:=20 RDecker388@ao*.co* [<A href=3D"mailto:RDecker388@ao*.co*"=20 eudora=3D"autourl">mailto:RDecker388@ao*.co*</A>]<BR>Sent: Saturday, = April 14,=20 2001 7:55 PM<BR>To: rikard.lundgren@sw*.se*<BR>Cc:=20 techdiver@aquanaut.com<BR>Subject: Re: Isolating Manifold=20 Question<BR><BR><BR>In a message dated 4/14/01 9:55:22 AM Eastern = Daylight=20 Time,<BR>rikard.lundgren@sw*.se* writes:<BR><BR>> >As for the = 3/4 of=20 European divers using this method, divers taking there<BR>> first = steps=20 into tech training , do so with IANTD or = TDI,<BR>> >,=20 as shut downs are apart of syllabus, my instructor & people = i=20 have<BR>> listened to use this method, and as far as i a aware As = the=20 said<BR>> organisations are wide spread >around Europe , i can = only=20 conclude that<BR>they<BR>> are also shown this = method.<BR>><BR><BR><BR>I=20 suspect this is more a matter of the individual instructor than=20 what's<BR>actually in the standards. I've read both of these = agency's=20 standards at<BR>one<BR>time or another and do not recall a single line = about=20 requiring paritially<BR>open ISOs.<BR><BR>Common sense dictates that = all=20 valves need to be either all the way on or<BR>all<BR>the way = off. In a=20 stressful situation requiring a valve shut-down it would<BR>be way too = easy to=20 turn the valve the wrong way if it's only partly open.<BR>With a = strict on/off=20 approach, the valve is only going to turn one way......<BR>THE RIGHT=20 ONE! Bare handed, gloves or mitts, shutting down a valve is not=20 a<BR>difficult matter with a little practice.<BR><BR>Bob D.<BR><A=20 href=3D"http://www.sportdiverhq.com/"=20 eudora=3D"autourl">www.SportDiverHQ.com</A><BR>--<BR>Send mail for the = `techdiver' mailing list to `techdiver@aquanaut.com'.<BR>Send=20 subscribe/unsubscribe requests to=20 `techdiver-request@aquanaut.com'.<BR><BR>--<BR>Send mail for the = `techdiver'=20 mailing list to `techdiver@aquanaut.com'.<BR>Send = subscribe/unsubscribe=20 requests to = `techdiver-request@aquanaut.com'.</FONT></BLOCKQUOTE></BODY></HTML> ------=_NextPart_000_0028_01C0C59C.D87FD440-- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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