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- Newsgroups: alt.folklore.science
- Path: sparky!uunet!pipex!warwick!pavo.csi.cam.ac.uk!rf
- From: rf@cl.cam.ac.uk (Robin Fairbairns)
- Subject: Re: Deep diving, cont...
- Message-ID: <1992Nov20.094802.1900@infodev.cam.ac.uk>
- Sender: news@infodev.cam.ac.uk (USENET news)
- Nntp-Posting-Host: lelaps.cl.cam.ac.uk
- Organization: U of Cambridge Computer Lab, UK
- References: <BxzCto.591@news.udel.edu>
- Date: Fri, 20 Nov 1992 09:48:02 GMT
- Lines: 40
-
- In article <BxzCto.591@news.udel.edu>, jimwelch@ravel.udel.edu (James Miller Welch) writes:
- |>
- |> On a side note to the discussion on diving....
- |> The problem with deep dives is that you have so little time on the bottom
- |> that it's difficult to get much done. A 130 foot dive from the surface
- |> gives you about 5 minutes bottom time without a decompression stop, and
- |> not much more even with decompression.
-
- As you might imagine, this is a rather serious problem for the men who
- check and mend the underwater structures in the UK sector of the North
- Sea.
-
- |> One solution to this problem for people who need to work at depth (e.g.
- |> marine scientists running experiments) was used for several years down in
- |> St.Croix (pre-Hugo). There was an underwater living space at about 50
- |> feet depth and scientists would live there for a week while conducting
- |> experiments. [...]
-
- The North Sea approach to this problem is to have "saturation
- chambers" on the support vessels; the divers are taken thence into the
- little steel balls and dive from them.
-
- |> Of course, this requires a lot of outside
- |> assistance, ferrying down new full air tanks, [...]
-
- Being as how the saturation is done on the surface, support is
- presumably rather easier. Which is just as well, since the conditions
- in the North Sea can be atrocious.
-
- |> The kicker is that after this,
- |> you can't fly for 2 days or so, so you're trapped on a Caribbean isle for
- |> a couple of days with doctor's orders to relax and take it easy!!
-
- No such luck for the North Sea divers. Aberdeen _does_ have its
- charms (to the truly discerning), but lounging about on sunny beaches
- is not something one normally associates with that area.
- --
- Robin (come back John Drummond) Fairbairns rf@cl.cam.ac.uk
- U of Cambridge Computer Lab, Pembroke St, Cambridge CB2 3QG, UK
- "They had twelve years to lay in wait for us" - Bush supporter on Nov 4
-