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<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=621355721-31052007>My original message (below) may be misleading - the
mail room is part of a larger, seldom-occupied basement (~10% of total
floor area) that includes some parking and mechanical/electrical
rooms.</SPAN></FONT></DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=621355721-31052007></SPAN></FONT> </DIV>
<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=621355721-31052007>My apologies for any confusion.</SPAN></FONT></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> Lynn Qualmann <BR><B>Sent:</B> Thursday,
May 31, 2007 2:07 PM<BR><B>To:</B> BLDGSIM
(bldg-sim@gard.com)<BR><B>Subject:</B> What constitutes a floor for
90.1?<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV><FONT face=Arial size=2><SPAN class=078401920-31052007>To Whomever may be
able to shed some light -</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=078401920-31052007></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=078401920-31052007>I am modeling a
non-res building <75,000 sqft for LEED certification. It has 3 above-grade
floors and a basement with a small (~0.4% of total building floor area),
normally-occupied mail room. The number of floors influences the baseline HVAC
system according to 90.1, but 90.1 specifically excludes basements under its
definition of a <EM>story</EM>. Table 3.1.1A of Appendix G, which designates the
baseline HVAC system types, refers to the number of <EM>floors</EM> as one
of the determinants of the baseline HVAC system. The definition of a
<EM>floor</EM> in 90.1 does not so clearly address basements. My question is
whether this should be considered a 3- or 4-floor building? My sense is that it
should be considered 3, but I would like to get some verification if any is
available.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=078401920-31052007></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=078401920-31052007>Thanks in
advance.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=078401920-31052007></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=078401920-31052007>
<DIV align=left><FONT size=2><FONT face=Arial><STRONG>R. Lynn Qualmann,
P.E</STRONG>.</FONT></FONT></DIV>
<DIV align=left><FONT face=Arial size=2>SBW Consulting,
Inc.</FONT></DIV></SPAN></FONT></DIV><PRE>
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