Looking for an excerpt from the NSS cave diving manual

Hi all,

I've been asked to reference something but have no way of getting hold of it in the UK.

It's situation 3 from page 119 of the NSS manual.

Would anybody have a scan/picture?

Cheers,

Ash

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Originally Posted by OutOfTest

Hi all,

I've been asked to reference something but have no way of getting hold of it in the UK.

It's situation 3 from page 119 of the NSS manual.

Would anybody have a scan/picture?

Cheers,

Ash

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Which edition are you referencing, I have both.

I imagine it would be the most recent.


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Quote:

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Originally Posted by OutOfTest

I imagine it would be the most recent.


Sent from my iPhone using Tapatalk

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PM your email and I will see if I have what you are looking for.

http://s21.postimg.org/lqds1j5zr/201601100932381000.jpg

http://s28.postimg.org/5z77epeot/201601100932281000.jpg

Thanks a lot!

Out of curiosity, in this age of (ideally redundant) dive computers, is this question even still relevant?

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Originally Posted by oya

Out of curiosity, in this age of (ideally redundant) dive computers, is this question even still relevant?

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Understanding the basics of decompression should be fundamental, even if flying a computer. [emoji2]

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Understanding the basics of decompression, the question wouldn't arise, even on a much larger scale. The problem is when the question was posed tables were law. Rather than a proper understanding of tissue loadings and saturation percentages.

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Originally Posted by OutOfTest

Understanding the basics of decompression, the question wouldn't arise, even on a much larger scale. The problem is when the question was posed tables were law. Rather than a proper understanding of tissue loadings and saturation percentages.

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I spent many years using tables. In the example above we would have repeated the 20 foot stop on the final accent, or multiplied the 10 foot stop by 1.5.

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Originally Posted by RGU

I spent many years using tables. In the example above we would have repeated the 20 foot stop on the final accent, or multiplied the 10 foot stop by 1.5.

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Not suggesting that you did anything unsafe, good sir, but is that a textbook answer or a workaround developed in real life?

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Originally Posted by OutOfTest

Not suggesting that you did anything unsafe, good sir, but is that a textbook answer or a workaround developed in real life?

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There were a lot of practices back then that would not be popular today. I dove with a commercial diver who had different training. After a while you could get a pretty good feel for how much you needed to alter the tables by how much you ached after a dive. There were no computers then, so you could wind up having to make up decompression on the fly if things didn't go as planned.

You should see us diving sumps! I imagine we still have a number of unpopular practices :)




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