Hello, Jeff Ross-Bain,<div><br></div><div>There is a baseline system type exception in Section G3.1.1. It lists three cases which shall model different with your major baseline system.</div><div><br></div><div>As the requirement of this section:</div>
<div>i)<span class="Apple-tab-span" style="white-space:pre">    </span>The area is larger than 1900 square meters (20,451.43 square feet)</div><div>ii)<span class="Apple-tab-span" style="white-space:pre">        </span>The space has a differ significantly from the rest of building</div>
<div>iii)<span class="Apple-tab-span" style="white-space:pre">  </span>The space has a special pressurization relationships, or cross-contamination requirements, or code-required minimum circulations rates</div><div><br></div>
<div>i) and iii) are unusual cases, in my opinion you should check the second exception case for your model.<br><br><div class="gmail_quote">On Thu, Dec 30, 2010 at 10:54 PM, Jeff Ross-Bain <span dir="ltr"><<a href="mailto:jeff@rbgb.com">jeff@rbgb.com</a>></span> wrote:<br>
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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">Hi All,</span></font></p>

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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">If a building has an overall area greater
than 25,000 sq ft, but has distinct wings each less than 25,000 sq ft and each has
independent HVAC systems, would one use System 6 (overall) or use System 4 (based
on each wing) to determine baseline type? </span></font></p>

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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">Thanks,</span></font></p>

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<p class="MsoNormal"><strong><b><font size="2" color="navy" face="Arial"><span style="font-size:10.0pt;font-family:Arial;color:navy">Jeffrey G Ross-Bain, PE,
LEED, BEMP</span></font></b></strong><font color="navy"><span style="color:navy"></span></font></p>

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