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<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>But I think it only supersedes if there is a conflict. The requirement
“annual CHP eff” is only in the CHP calc. Methodology, not in the “Required
Treatment of District..”-document. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>In another project the leedreviewteam didnīt accept our solution.
So I think you must prove the annual efficiency.<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>In my project I get 6 points in step 1 and 13 (theoretical points)
in Step 2. Itīs C&S 2.0 so the maximum is 10 points. So without CHP it is
not too bad, but it would be easy points..<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-US style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'><o:p> </o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Johannes</span><span style='font-size:8.0pt;font-family:"Arial","sans-serif";
color:#29457B'><o:p></o:p></span></p>
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color:black'><br>
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<p class=MsoNormal style='margin-left:35.4pt'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>Von:</span></b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> Nikola Kravik
[mailto:nkravik@rumseyengineers.com] <br>
<b>Gesendet:</b> Dienstag, 27. April 2010 17:46<br>
<b>An:</b> Hopf, Johannes; bldg-sim@lists.onebuilding.org<br>
<b>Betreff:</b> RE: [Bldg-sim] LEED - Treatment of District Thermal Energy -
Annualefficiency<o:p></o:p></span></p>
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<p class=MsoNormal style='margin-left:35.4pt'><o:p> </o:p></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='color:#1F497D'>On page 1 of the DES dated May 28, 2008, second to last
paragraph says: “However, this district thermal energy …….supersedes the
CHP……..”<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='color:#1F497D'>So I would think you have to use the DES paper and you
can apply the defaults which are very low compared to ASH 90.1-2004 base.<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='color:#1F497D'>I don’t know what’s your desired LEED Point EAc1 list,
but will be tough to get a lot without having a lot of cogen/renewable.<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='color:#1F497D'>Nikola<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='color:#1F497D'><o:p> </o:p></span></p>
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<p class=MsoNormal style='margin-left:35.4pt'><b><span lang=EN-US
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
lang=EN-US 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>Hopf,
Johannes<br>
<b>Sent:</b> Tuesday, April 27, 2010 7:30 AM<br>
<b>To:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> [Bldg-sim] LEED - Treatment of District Thermal Energy - Annual
efficiency<o:p></o:p></span></p>
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<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:black'>Hello All!<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>I’m
working on a Whole Building Simulation according 90.1-2004 for a C&S
Project. We use heating energy from a district heating network. Heat is
generated by about 20 different plants which feed the network. Some plants are
heating only, but the majority are cogeneration plants. <o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>We would
like to apply for points in Step 2 (Required Treatment of District Thermal
Energy) but we cannot verify the annual efficiency of the plants. <o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>#####<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>CHP
Calculation Methodology for LEED-NC v2.2 EA Credit 1:<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>1. The
minimum annual CHP system efficiency must be at least 60%. Efficiency is
expressed by the following equation:<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Annual
CHP Efficiency = (Annual Btu electrical output of the fuel-driven electricity<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>generator
+ Annual Btu Thermal Product) / Annual Btu fuel input (Lower Heating Value of
input fuel)<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>#####<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Is there
a way to apply for points using a default annual efficiency? Sth. like
described in “Required Treatment of District Thermal Energy” on page 7 and 8?<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Any other
ideas?<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>Best
regards <o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:35.4pt'><span lang=EN-US
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'><o:p> </o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:0cm;margin-right:0cm;margin-bottom:
12.0pt;margin-left:35.4pt'><span lang=EN-US style='font-size:10.0pt;font-family:
"Arial","sans-serif";color:black'>Johannes.</span><o:p></o:p></p>
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