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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>I know there have been CIRs related to
this issue. Search USGBC’s website with a few different keywords and you
should be able to find the pertinent interpretations. Good luck.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
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<p><st1:PersonName w:st="on"><b><font size=2 color="#816d5b" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#816D5B;font-weight:bold'>Andrew
Craig</span></font></b></st1:PersonName><b><font size=2 color="#816d5b"
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:#816D5B;
font-weight:bold'>, EIT, LEED® AP</span></font></b><font color=navy><span
style='color:navy'> </span></font><font size=2 color="#1e1f48" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#1E1F48'>| </span></font><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'>Mechanical Designer</span></font><font color=navy><span
style='color:navy'><o:p></o:p></span></font></p>
<p><font size=3 color="#1e1f48" face="Arial Black"><span style='font-size:12.0pt;
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w:st="on"><font size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#816D5B'>708 SW Third Avenue</span></font></st1:address></st1:Street><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'> </span></font><font size=2 color="#1e1f48" face=Arial><span
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w:st="on"><st1:Street w:st="on"><font size=2 color="#816d5b" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#816D5B'>Suite</span></font></st1:Street><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'> 400</span></font></st1:address><font size=2
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color:#816D5B'> </span></font><font size=2 color="#1e1f48" face=Arial><span
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w:st="on"><st1:City w:st="on"><font size=2 color="#816d5b" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#816D5B'>Portland</span></font></st1:City><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'>, <st1:State w:st="on">OR</st1:State> <st1:PostalCode
w:st="on">97204</st1:PostalCode></span></font></st1:place><font size=2
color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:#816D5B'> </span></font><font color=navy><span style='color:navy'><o:p></o:p></span></font></p>
<p><b><font size=2 color="#1e1f48" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#1E1F48;font-weight:bold'>direct: </span></font></b><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'>503.382.2696</span></font><font color=navy><span
style='color:navy'><br>
</span></font><b><font size=2 color="#1e1f48" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#1E1F48;font-weight:bold'>office:
</span></font></b><font size=2 color="#816d5b" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#816D5B'>503.382.2266</span></font><font
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</span></font><b><font size=2 color="#1e1f48" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#1E1F48;font-weight:bold'>fax: </span></font></b><font
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Arial;color:#816D5B'>503.382.2262</span></font><font color=navy><span
style='color:navy'><br>
</span></font><strong><b><font size=2 color="#1e1f48" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#1E1F48'>email: </span></font></b></strong><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'>Andrew_C@ieice.com</span></font><font color=navy><span
style='color:navy'><br>
</span></font><b><font size=2 color="#1e1f48" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#1E1F48;font-weight:bold'>web: </span></font></b><font
size=2 color="#816d5b" face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:#816D5B'>www.ieice.com</span></font><font color=navy><span
style='color:navy'> <o:p></o:p></span></font></p>
<p><font size=1 color="#1e1f48" face=Arial><span style='font-size:8.0pt;
font-family:Arial;color:#1E1F48'>Consultants of Choice to the Built Environment
for over 35 years</span></font><font color=navy><span style='color:navy'><br>
</span></font><st1:City w:st="on"><font size=1 color="#816d5b" face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:#816D5B'>Kirkland</span></font></st1:City><font
size=1 color="#816d5b" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#816D5B'>, <st1:State w:st="on">WA</st1:State> </span></font><font
size=1 color="#1e1f48" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#1E1F48'>| </span></font><st1:City w:st="on"><font size=1
color="#816d5b" face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:#816D5B'>Portland</span></font></st1:City><font size=1 color="#816d5b"
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:#816D5B'>, <st1:State
w:st="on">OR</st1:State> </span></font><font size=1 color="#1e1f48" face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:#1E1F48'>| </span></font><st1:City
w:st="on"><font size=1 color="#816d5b" face=Arial><span style='font-size:7.5pt;
font-family:Arial;color:#816D5B'>Sacramento</span></font></st1:City><font
size=1 color="#816d5b" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#816D5B'>, <st1:State w:st="on">CA</st1:State> </span></font><font
size=1 color="#1e1f48" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#1E1F48'>| </span></font><st1:City w:st="on"><font size=1
color="#816d5b" face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:#816D5B'>Salem</span></font></st1:City><font size=1 color="#816d5b"
face=Arial><span style='font-size:7.5pt;font-family:Arial;color:#816D5B'>, <st1:State
w:st="on">OR</st1:State> </span></font><font size=1 color="#1e1f48" face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:#1E1F48'>| </span></font><st1:place
w:st="on"><st1:City w:st="on"><font size=1 color="#816d5b" face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:#816D5B'>SanFrancisco</span></font></st1:City><font
size=1 color="#816d5b" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#816D5B'>, <st1:State w:st="on">CA</st1:State></span></font></st1:place><o:p></o:p></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
BLDG-SIM@gard.com [mailto:BLDG-SIM@gard.com] <b><span style='font-weight:bold'>On
Behalf Of </span></b>kathryn l<br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, August 02, 2007
9:31 AM<br>
<b><span style='font-weight:bold'>To:</span></b> BLDG-SIM@gard.com<br>
<b><span style='font-weight:bold'>Subject:</span></b> [BLDG-SIM] EA Cr 1
campuses</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>We are modeling a group of six buildings for a university which will be
served by the current campus CUP's steam and chilled water loops. These
buildings will all be submitted for LEED certification as one project. Does
anyone know if we can model the baseline from ASHRAE 90.1-2004 Appendix G for <i><span
style='font-style:italic'>each</span></i> building according to its individual
square footage, or if we have to choose the baseline system based off of the <i><span
style='font-style:italic'>total</span></i> square footage for the entire group
of buildings? For our project this would mean the difference between 90.1's
System 5 (DX cooling) and System 7 (chilled water). <a name=QuickMark></a> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I found this little excerpt from the LEED Application Guide for
multiple buildings and campuses, but feel it doesn't really directly tackle the
question of choosing the baseline system but could potentially be interpretted
to mean that each building is considered separately during the modeling
process and therefor would have a baseline system based off of its own square
footage: <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=default style='margin:0in;margin-bottom:.0001pt'><b><font size=4
face="Times New Roman"><span style='font-size:14.0pt;font-weight:bold'>EA
Credit 1: Optimize Energy Performance </span></font></b><o:p></o:p></p>
<p class=default style='mso-margin-top-alt:6.0pt;margin-right:0in;margin-bottom:
6.0pt;margin-left:0in'><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>Application Guidance </span></font></b><o:p></o:p></p>
<p class=default style='mso-margin-top-alt:6.0pt;margin-right:0in;margin-bottom:
6.0pt;margin-left:0in'><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>Requirements </span></font></b><o:p></o:p></p>
<p class=default style='mso-margin-top-alt:6.0pt;margin-right:0in;margin-bottom:
6.0pt;margin-left:0in'><font size=2 face="Times New Roman"><span
style='font-size:11.0pt'>This credit applies to each building within the
project scope. To receive a single rating for a group of buildings, use a
weighted average for the group of buildings based on their conditioned square
footage, or aggregate the data into one PRM calculation, so that performance is
achieved by buildings of varying sizes within a certifying group. Each building
must still meet EA Prerequisite 1 and may receive its own rating if that is
desired. </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> Any experience with this? Any guidance would be greatly
appreciated. <o:p></o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Thanks!<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Kathryn<o:p></o:p></span></font></p>
</div>
</div>
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