[Bldg-sim] ASHRAE 62.1

[John Aulbach]

Robert:
 
I am unsure as to what you mean trying to get an existing building, especially an older one, to comply with 62.1. It probably WON'T.
 
Also, the first CA Title-24 was 1977. So it probably flew to the CA Mechanical Code at the time (Uniform Building Code).
 
John Aulbach

--- On Mon, 3/23/09, RobertWichert <robert at wichert.org> wrote:


From: RobertWichert <robert at wichert.org>
Subject: [Bldg-sim] ASHRAE 62.1
To: 
Cc: "BLDG-SIM" <bldg-sim at lists.onebuilding.org>
Date: Monday, March 23, 2009, 8:49 AM


I am working on an existing building, trying to show compliance with ASHRAE 62.1. The supply and return diffusers are in the ceiling and that forces dividing by a 0.8 factor that increases the outside air requirement by 25%. The building was designed in the late sixties to CA T-24. It appears to have about 20% outside air. This seems pretty good, at first look, but it doesn't seem to satisfy 62.1. Any and all advice will be appreciated.


-- Robert P. Wichert, P.Eng.
+1 916 966 9060
FAX +1 916 966 9068




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