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<DIV dir=ltr align=left><SPAN class=720193416-02102007><FONT face=Arial
color=#0000ff size=2>Jonathan,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=720193416-02102007><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=720193416-02102007><FONT face=Arial
color=#0000ff size=2>You need to put the 100% OA in the baseline building if it
is lab or a hospital. App. G spells it out distinctly, just read the section
about air changes. The preheat coils must be the same in the proposed
design and the baseline building as in G3.1.2.3. </FONT></SPAN></DIV>
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Langdon<o:p></o:p></SPAN></SPAN></B></P>
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<FONT face=Tahoma size=2><B>From:</B> BLDG-SIM@gard.com
[mailto:BLDG-SIM@gard.com] <B>On Behalf Of </B>Jonathan Curtin<BR><B>Sent:</B>
Monday, October 01, 2007 2:28 PM<BR><B>To:</B>
BLDG-SIM@gard.com<BR><B>Subject:</B> [BLDG-SIM] 90.1 Appendix G and Dedicated
Outside Air Units<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=806151218-01102007>All,</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=806151218-01102007></SPAN></FONT> </DIV>
<DIV><FONT face=Arial size=2><SPAN class=806151218-01102007>I was looking for
some help on interpreting how a baseline 90.1 Appendix G building should be
modeled if the proposed building uses a dedicated outside air
unit.</SPAN></FONT></DIV>
<DIV><FONT face=Arial size=2><SPAN
class=806151218-01102007></SPAN></FONT> </DIV>
<DIV><FONT face=Arial><SPAN class=806151218-01102007><FONT
size=2>My interpretation is that the baseline building should be
modeled without the 100% outside air unit (and per Table G3.1.1B), but in this
case could you add preheat coils to the baseline simulation main air handling
units, if not in the proposed?</FONT><FONT face=TT12B7o00>
<P align=left><FONT size=2>G3.1.2.3 </FONT></FONT><B><FONT
face="Times New Roman"><FONT size=2>Preheat Coils. </FONT></B></FONT><FONT
face="Times New Roman" size=2>If the HVAC system in the </FONT><I><FONT
face="Times New Roman"><FONT size=2>proposed</FONT></P>
<P align=left><FONT size=2>design </FONT></I></FONT><FONT
face="Times New Roman"><FONT size=2>has a preheat coil and a preheat coil can be
modeled</FONT></P>
<P align=left><FONT size=2>in the </FONT></FONT><I><FONT
face="Times New Roman"><FONT size=2>baseline </FONT></I></FONT><FONT
size=2><FONT face="Times New Roman">system, the </FONT><I><FONT
face="Times New Roman">baseline </I></FONT></FONT><FONT
face="Times New Roman"><FONT size=2>system shall be</FONT></P>
<P align=left><FONT size=2>modeled with a preheat coil controlled in the same
manner as</FONT></P>
<P><FONT size=2>the </FONT></FONT><I><FONT face="Times New Roman"><FONT
size=2>proposed design</FONT></I></FONT><FONT face="Times New Roman"
size=2>.</FONT></P>
<P><SPAN class=806151218-01102007><FONT size=2>Thanks,</FONT></SPAN></P><SPAN
class=806151218-01102007>
<DIV align=left><FONT face=Arial size=2>
<P class=MsoNormal style="MARGIN: 0in 0in 0pt" align=left><B><SPAN
style="FONT-SIZE: 10pt; COLOR: #4d4d4d; FONT-FAMILY: Arial">Jonathan
Curtin<BR></SPAN></B><B><SPAN
style="FONT-SIZE: 8pt; COLOR: #4d4d4d; FONT-FAMILY: Arial"><BR
style="mso-special-character: line-break"></P><o:p></o:p></SPAN></B><SPAN
style="FONT-SIZE: 14pt; COLOR: #4d4d4d; FONT-FAMILY: Arial; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA">W<SPAN
style="mso-spacerun: yes"> </SPAN>Y<SPAN style="mso-spacerun: yes">
</SPAN>L<SPAN style="mso-spacerun: yes"> </SPAN>I<SPAN
style="mso-spacerun: yes"> </SPAN>E</SPAN><SPAN
style="FONT-SIZE: 14pt; FONT-FAMILY: Arial; mso-fareast-font-family: 'Times New Roman'; mso-ansi-language: EN-US; mso-fareast-language: EN-US; mso-bidi-language: AR-SA"> <BR></SPAN><SPAN
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O N S U L T I<SPAN style="mso-spacerun: yes"> </SPAN>N G<BR>E<SPAN
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href="http://www.wylieassociates.com/">www.wylieassociates.com</A></SPAN></FONT></DIV></SPAN></SPAN></FONT></DIV><PRE>
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