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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Greetings<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>We have a project going for LEED certification EA1. The
building has 20% classroom space, 20% office space and 60% chemical lab space. The
system has 100% OA because of the lab system.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>According to the ASHRAE 90.1 user guide, the minimum ventilation
rates designed for the proposed building must also be modeled in the budget building
design. Ventilation is energy neutral as far as trade-offs are concerned.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Since the heating and cooling load between proposed and
budget building is different, the calculated air flow of budget design is
larger than the proposed design. It means the outside air is also larger than
the proposed design. My question here is how to have the same minimum
ventilation rates and keep it “energy neutral”? <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>This question is more about the LEED certification and if
anyone has any suggestions and recommendations, please let me know.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Many thanks.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Eric<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><b><font size=2 color=navy
face="Arial Narrow"><span style='font-size:10.0pt;font-family:"Arial Narrow";
color:navy;font-weight:bold'>Eric Yang, LEED AP<o:p></o:p></span></font></b></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=navy
face="Arial Narrow"><span style='font-size:10.0pt;font-family:"Arial Narrow";
color:navy'>Mechanical Engineer<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><b><font size=3 color=navy
face="Arial Narrow"><span style='font-size:12.0pt;font-family:"Arial Narrow";
color:navy;font-weight:bold'>SmithGroup</span></font></b><font color=navy
face="Arial Narrow"><span style='font-family:"Arial Narrow";color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><st1:Street w:st="on"><st1:address
w:st="on"><font size=2 color=navy face="Arial Narrow"><span style='font-size:
10.0pt;font-family:"Arial Narrow";color:navy'>1850 K Street, NW, Suite 250</span></font></st1:address></st1:Street><font
size=2 color=navy face="Arial Narrow"><span style='font-size:10.0pt;font-family:
"Arial Narrow";color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><st1:place w:st="on"><st1:City
w:st="on"><font size=2 color=navy face="Arial Narrow"><span style='font-size:
10.0pt;font-family:"Arial Narrow";color:navy'>Washington</span></font></st1:City><font
size=2 color=navy face="Arial Narrow"><span style='font-size:10.0pt;
font-family:"Arial Narrow";color:navy'>, <st1:State w:st="on">DC</st1:State> <st1:PostalCode
w:st="on">20006</st1:PostalCode></span></font></st1:place><font size=2
color=navy face="Arial Narrow"><span style='font-size:10.0pt;font-family:"Arial Narrow";
color:navy'><o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=navy
face="Arial Narrow"><span style='font-size:10.0pt;font-family:"Arial Narrow";
color:navy'>t 202.974.4555 (direct)<o:p></o:p></span></font></p>
<p class=MsoNormal style='text-autospace:none'><font size=2 color=navy
face="Arial Narrow"><span style='font-size:10.0pt;font-family:"Arial Narrow";
color:navy'>f. 202.974.4500<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Arial Narrow"><span
style='font-size:10.0pt;font-family:"Arial Narrow";color:navy'>eric.yang@smithgroup.com
<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face="Arial Narrow"><span
style='font-size:10.0pt;font-family:"Arial Narrow";color:navy'><a
href="http://www.smithgroup.com/">www.smithgroup.com</a></span></font><o:p></o:p></p>
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12.0pt'><o:p> </o:p></span></font></p>
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