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<p class=MsoNormal>I've asked the same question to Trane CDS. Here is their
response:<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>According to the ECB subcommittee, the total ventilation cfm
(building level) must be the same between the two alternatives. The best
(and easiest) way to model this in TRACE is as follows. First, calculate
the proposed building. Next, using the system checksums report(s), sum
the ventilation cfm for each system to determine a building level ventilation
cfm. With this done, divide this value by the building square footage to
determine a cfm/sq ft ventilation rate. Apply this rate to all rooms on
the baseline system (this can be quickly done through templates). Do not
model ASHRAE 62.1 on the baseline building or this method will not work.
I hope this helps!<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Hope this helps,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>-Terry<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><b><span style='font-size:13.5pt;color:#1F497D'>Terrence W.
Budd, P.E., CPD, LEED AP<o:p></o:p></span></b></p>
<p class=MsoNormal><b><o:p> </o:p></b></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'>Lee S. Good
Engineering<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'>10483 Cleveland
Ave NW<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'>Uniontown, Ohio
44685<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;color:#1F497D'>Phone:
330.494.1574 Fax:330.494.1567<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:13.5pt;font-family:Webdings;
color:#008040'>ü</span><span style='color:black'> </span><span lang=EN-GB
style='font-size:7.5pt;color:green'>Please consider the environment before
printing this e-mail.</span><span style='color:#4F6228'><o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
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