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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Question: When we size the design model systems to equal
those in the design documents, and have a baseline system type of packaged
single zone. A packaged single zone is assigned to every zone so system
configuration is different from design to basecase model. How does one
size the basecase hvac systems?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Kevin Kyte</span><span style='font-family:"Calibri","sans-serif";
color:#1F497D'>, </span><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>LEED AP<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>RobsonWoese, Inc.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>(T) 716-636-1800<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>(F) 716-636-1856</span><span style='font-size:10.0pt;font-family:
"Calibri","sans-serif";color:blue'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:8.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><a href="http://robsonwoese.com/index.php"><span
style='color:blue'>http://robsonwoese.com</span></a><o:p></o:p></span></p>
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color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Karen
Walkerman<br>
<b>Sent:</b> Thursday, May 01, 2008 8:43 AM<br>
<b>To:</b> yizhao1@vt.edu<br>
<b>Cc:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] System sized by "block" or
"peak"?<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>There can be a large difference
but depends on your particular building. For example, buildings with lots
of glass on the east and west. The cooling loads in these individual
spaces may be quite large, but the east has a high cooling load in the morning
while the west has a high cooling load in the afternoon/evening. My understanding
for LEED is that the design case systems are sized as in the design
documents. This provides punishment for system inefficiency due to
oversizing.<br>
<br>
--<br>
Karen<br>
<br>
<o:p></o:p></p>
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<p class=MsoNormal>On Thu, May 1, 2008 at 3:24 AM, <<a
href="mailto:yizhao1@vt.edu">yizhao1@vt.edu</a>> wrote:<o:p></o:p></p>
<p class=MsoNormal>Hi -<br>
How great the difference could be if a system is sized by "block"
compaired to<br>
being sized by "peak" in Trace? If "sized by peak" means
sizing the system<br>
based on peak load, what about "sized by block"? For LEED credit
application, Iov<br>
thought that it is not right to size an AHU by "block" in the design
case while<br>
size it by "peak" in the baseline.<br>
<br>
Thanks!<br>
<br>
Ying<br>
<br>
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