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Re: Open Builiding with mesh tarp roof - Ref. Air Permeable Cladding ASCE 7-05 6.4.3 and

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I would think there would be a reduction if the area of openings is greater than a certain amoutn of the gross area.  (i don't know, maybe 30% opening...)  The air flow through a mesh tarp roof would still be minimal, meaning treat it as a solid surface. 

On Mon, May 12, 2008 at 12:33 PM, Acharya, Suresh <Suresh.Acharya(--nospam--at)> wrote:
Any guidance for an open building with mesh tarp roof? ASCE 7-05 sections  6.4.3 and apparently disallows reduction in wind pressures on air permeable cladding unless documented otherwise. And, these sections pertain to "cladding". I would assume, by extension,  MWFRS will also see no reduction due to holes.
Suresh Acharya, S.E.

David Topete, SE