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<p class=MsoNormal>Dear All,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I’m now working on a project using Districted Heating
System provided by a municipal system. The municipal system is working for a very
large areas providing steam for about hundred buildings. And my building is one
of them.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>According to the latest update issued by USGBC (<a
href="https://www.usgbc.org/ShowFile.aspx?DocumentID=4176">https://www.usgbc.org/ShowFile.aspx?DocumentID=4176</a>),
the modeling will be implemented by two steps. My question is about Step-2
(Aggregate Building/DES Scenario). In step-2, the energy source of Proposed
Building is virtual on-site chiller representing upstream DC system. The
document also issues “The DES central plant itself shall always be
modeled <b>as a</b> <b>total, entire unit</b>.” My understanding is that
it requires to model the central plant with the full capacity that is able to
provide heating for all of buildings in whole district. However, if doing so,
the energy consumption of the proposed building may be quite quite high, since
it includes the energy consumption of the whole heating plant!! But my building
is only one of the 100 buildings that are heated by the central plant. It
is weird and I don’t think it is what USGBC asked for. Does anyone know
what shall I do for the proposed building in Step-2? <o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thank you.<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-family:"GillSans","sans-serif"'>May Xu</span></b><span
style='font-family:"GillSans","sans-serif"'>, </span><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'>LEED</span><sup><span
style='font-size:10.0pt;font-family:"Arial Unicode MS","sans-serif"'>®</span></sup><span
style='font-size:7.5pt;font-family:"Arial","sans-serif"'>AP</span><span
style='font-size:12.0pt;font-family:"GillSans","sans-serif"'><br>
</span><span style='font-size:10.0pt;font-family:"GillSans","sans-serif"'>Project
Engineer - Sustainable Design</span><span lang=EN-GB style='font-size:12.0pt;
font-family:"GillSans","sans-serif"'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:10.0pt;font-family:"GillSans","sans-serif";color:red'>HOK<br>
</span></b><span style='font-size:10.0pt;font-family:"GillSans","sans-serif";
color:gray'>Suite 3705A, Ciro` s Plaza,</span><span style='font-size:12.0pt;
font-family:"GillSans","sans-serif"'><br>
</span><span style='font-size:10.0pt;font-family:"GillSans","sans-serif";
color:gray'>388 Nan Jing West Road,</span><span style='font-size:12.0pt;
font-family:"GillSans","sans-serif"'><br>
</span><span style='font-size:10.0pt;font-family:"GillSans","sans-serif";
color:gray'>Shanghai, 200003, PRC</span><span style='font-size:12.0pt;
font-family:"GillSans","sans-serif"'> </span><span style='font-size:10.0pt;
font-family:"GillSans","sans-serif";color:gray'> </span><span
style='font-size:12.0pt;font-family:"GillSans","sans-serif"'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"GillSans","sans-serif";color:gray'>Tel:
(86 21) 6334.6181 ext. 2230 </span><span style='font-size:12.0pt;font-family:
"GillSans","sans-serif"'><br>
</span><span style='font-size:10.0pt;font-family:"GillSans","sans-serif";
color:gray'>Fax: (86 21) 6334.6182</span><span style='font-size:12.0pt;
font-family:"GillSans","sans-serif"'><br>
<br>
<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"GillSans","sans-serif"'><a
href="http://www.hok.com/" title="http://www.hok.com/"><span style='color:blue'>www.hok.com</span></a>
<br>
<span style='color:#1F497D'><a href="http://www.hokasiapacific.com/"><span
style='color:blue'>www.hokasiapacific.com</span></a></span><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"GillSans","sans-serif";
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<p class=MsoNormal><o:p> </o:p></p>
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