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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Yes but you don’t necessarily get full credit since you are
using the same rate structure, all off-peak usage in the baseline building is
modeled at the off-peak rate as well. To get full credit one would model an
off-peak rate in the proposed and a standard rate in the baseline which
Appendix g does not allow.<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'>Marcus<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>
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<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<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"'> Matutinovic, Luka
[mailto:LMatutinovic@halsall.com] <br>
<b>Sent:</b> Tuesday, June 09, 2009 5:41 PM<br>
<b>To:</b> Marcus Sheffer; Julia Beabout; BLDG-SIM<br>
<b>Subject:</b> RE: [Bldg-sim] LEED EAcr1 and ice storage?<o:p></o:p></span></p>
</div>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:Univers;
color:blue'>Marcus,</span><o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:Univers;
color:blue'>Even if the same rate structure is used in both buildings, wouldn't
the proposed building be able to take advantage of off-peak rates since its
chillers are running during the night to produce ice, instead of during the day
as in the reference building?</span><o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:Univers;
color:blue'>Thanks,</span><o:p></o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:Univers;
color:blue'>Luka</span><o:p></o:p></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><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>Marcus
Sheffer<br>
<b>Sent:</b> Tuesday, June 09, 2009 5:39 PM<br>
<b>To:</b> 'Julia Beabout'; BLDG-SIM<br>
<b>Subject:</b> Re: [Bldg-sim] LEED EAcr1 and ice storage?</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The metric in LEED (ASHRAE 90.1) is energy cost not energy
usage. I am certain that ice storage systems have been submitted and
approved in LEED projects. As currently set up you don’t get full credit
since both models must use the same rate structure but you could get some
credit against standard cooling systems if the rate structure favors off-peak
usage.<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'>Marcus Sheffer<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>7group<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>
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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>Julia Beabout<br>
<b>Sent:</b> Tuesday, June 09, 2009 5:09 PM<br>
<b>To:</b> BLDG-SIM<br>
<b>Subject:</b> [Bldg-sim] LEED EAcr1 and ice storage?<o:p></o:p></span></p>
</div>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Hi All,<o:p></o:p></span></p>
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<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Has anyone successfully submitted an energy model to LEED for
NC, EAcr1 compliance that utilized an ice storage system for cooling?<o:p></o:p></span></p>
</div>
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<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'> <o:p></o:p></span></p>
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<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>I'm just curious if they considered this a valid way to meet EAcr1
since even though these systems save money (which is the basis for
EAcr 1 compliance), they frequently use the same or even more energy than a
standard chiller plant/system design. In other words, in principle, if
your proposed building uses the same or more energy than your baseline, but
shows a $ savings relative to the baseline, is that still valid.<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'> <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'>We're considering looking at ice storage for a LEED project I'm
working on. But, before we run down that route, I'm trying to determine
if LEED considers it an acceptable way to meet EAcr1 and if anyone has been
successfully awarded LEED certification with it. I tried searching the
CIRs, but the LEED search engine didn't return any
matches. There was a little traffic on Bldg-sim on it, but
that was pretty old (2005). I also sent LEED customer service
the questions along with a brief description of ice storage and the not-so-green
as well as green aspects of it. But, it was obvious by their
reply that they had no idea what I was talking about?!?!? <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'> <o:p></o:p></span></p>
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<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Any experience you all have regarding ice storage
and successful LEED submittals would be great.<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Thanks.<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:black'>Julia<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'> <o:p></o:p></span></p>
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