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Re: RE:Swimming Pools

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Why not plastic since it is based on the chlorine molecule?  Would suggest a
thermosetting plastic and for structural purposes polyester but unless you
find a manufacturer of structural shapes you would need to build a mold(s).
Non- thermosetting have higher creep.
-----Original Message-----
From: Vince Yu <v.yu(--nospam--at)pickard.com>
To: seaint(--nospam--at)seaint.org <seaint(--nospam--at)seaint.org>
Date: Monday, December 28, 1998 2:06 PM
Subject: RE:Swimming Pools


>Wood deck and glulam design should be one of the best solutions.  I
>would caution the use of any suspended ceiling as the original question
>had suggested.  Unless a true vapor barrier is provided, plaster/stucco
>itself does not stop the movement of chlorine nor moisture into the
>attic space created by the ceiling.  It may give a false sense of
>security to the designer and makes it so much harder to inspect for
>damages.  Cndensation inside the attic will cause failure in the
>suspension wires or the structural roof itself.
>
>Swimming pool designs require the joint efforts of the structural
>engineer, mechanical engineer and the architect.  While we should not
>depend on the mechanical system to counter corrosion, I had asked my
>mechanical engineer to design a supply air system which is on all the
>time to move sufficient quantities of air around the structural roof
>system to prevent condensation.  We need to keep in mind that wood roofs
>can rot too.
>
>Vince Yu
>Pickard Architects
>
>