[PSUBS-MAILIST] DNVGL

Sat Oct 21 08:30:22 EDT 2017

500 ft ??  Than nearly all our subs here are DSV..

By the way - the british salvage diver free the gold from the Edingburg 
wreck from 850 feet in the 70ies.
And the record in chamber diving is around 2500 feet..

-----Original-Nachricht-----
Betreff: Re: [PSUBS-MAILIST] DNVGL
Datum: 2017-10-21T11:50:05+0200
Von: "hank pronk via Personal_Submersibles" 
<personal_submersibles at psubs.org>
An: "Alan via Personal_Submersibles" <personal_submersibles at psubs.org>

Scott,
That makes sense.  You are certainly a member of a very exclusive group.  
What is there, maybe 5 operating DSV's out there?  
Hank

On Friday, October 20, 2017, 6:49:43 PM MDT, Alan via Personal_Submersibles 
<personal_submersibles at psubs.org> wrote:

Scott,
DNVGL considered my 500ft design as deep diving.
Below is there response on this.
Alan

No. 500ft is seen as a deep depth, where even tec-divers will have 
difficulties to reach without special preparations. 
96h additional life support is intended to enable rescue teams to arrive, 
find and reach the submersible as well to apply means for rescue of the 
submersible (if e.g. stucked or entangled, the pilot became unconscious, 
etc.)

Sent from my iPad

On 21/10/2017, at 1:26 PM, Scott Waters via Personal_Submersibles <
personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org> > 
wrote:

I have heard 2 things
*2000m or more
*Have the ballast use a high pressure pump.

But there isn't a law or anything so I guess anyone could call anything 
they like. Haha

Sent from my U.S. Cellular® Smartphone

-------- Original message --------
From: hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org> >
Date: 10/20/17 5:57 PM (GMT-06:00)
To: Scott Waters via Personal_Submersibles <
personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org> >
Subject: Re: [PSUBS-MAILIST] DNVGL

What is the depth rating a sub needs to be to be considered a DSV?
Hank

On Friday, October 20, 2017, 3:57:54 PM MDT, Scott Waters via 
Personal_Submersibles <personal_submersibles at psubs.org
<mailto:personal_submersibles at psubs.org> > wrote:

Thanks Carsten,

We actually already have the rules and have been deep deep down the rabbit 
hole. Haha. There is some wording that does not jive with some of other 
parts as well as some things we are going to need acceptions on since we 
are a DSV and not a traditional submarine.

Thank you,
Scott Waters

Sent from my U.S. Cellular® Smartphone

-------- Original message --------
From: "MerlinSub at t-online.de <mailto:MerlinSub at t-online.de> via 
Personal_Submersibles" <personal_submersibles at psubs.org
<mailto:personal_submersibles at psubs.org> >
Date: 10/20/17 12:51 PM (GMT-06:00)
To: Personal Submersibles General Discussion <
personal_submersibles at psubs.org <mailto:personal_submersibles at psubs.org> >
Subject: Re: [PSUBS-MAILIST] DNVGL

Scott the rules are online :

https://rules.dnvgl.com/ServiceDocuments/dnvgl/#!/industry/1/Maritime/5/DNV%20GL%20rules%20for%20classification:%20Underwater%20technology%20(RU-UWT)
<https://rules.dnvgl.com/ServiceDocuments/dnvgl/#!/industry/1/Maritime/5/DNV%20GL%20rules%20for%20classification:%20Underwater%20technology%20(RU-UWT)>

No need to ask an inspector.

vbr Carsten

-----Original-Nachricht-----
Betreff: [PSUBS-MAILIST] DNVGL
Datum: 2017-10-20T19:26:21+0200
Von: "via Personal_Submersibles" <personal_submersibles at psubs.org
<mailto:personal_submersibles at psubs.org> >
An: "PSUBS" <personal_submersibles at psubs.org
<mailto:personal_submersibles at psubs.org> >

Is there anyone on PSUBS that is familiar with DNVGL rules? We have some 
basic questions, but are trying not to consult an inspector for every 
question because of the cost.

Thank you,
Scott
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