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You are fortunate that the explanation worked. I used a very
similarly worded explanation for a project I submitted and the reviewer
didn't go for it. "Inconsistency" seems to be the keyword
for the review process.<br><br>
At 03:31 PM 8/21/2009, James V. Dirkes II, PE wrote:<br>
<blockquote type=cite class=cite cite=""><font size=2 color="#0000FF">
Dear Cramer,<br>
</font> <br>
<font size=2 color="#0000FF">A recent LEED Silver project used this
explanation:<br>
</font> <br>
<font size=2>"Process load is comprised of receptacles and elevators
only, and accounts for slightly less than 17% of the total energy
cost. The receptacle load is assumed to be 0.75 W/sf throughout,
which is consistent with ASHRAE 90.1 and reflects the tenants’ concern
for efficient office equipment. The receptacle loads also use diversity
factors that roughly parallel occupancy. The elevator energy is
derived using actual KW and a diversity schedule that reflects normal
usage patterns. <br>
The Diversity schedules are shown on the accompanying updated "HVAC
Data Summary". These values are based on actual, designed peak
energy use and appropriate diversity. Therefore, even though
somewhat lower than 25% of the total energy cost, we are confident that
they reflect the actual situation adequately and should be considered
acceptable."<br>
</font> <br><br>
<div align="center"><font size=4><b>The Building Performance Team<br>
</font>James V. Dirkes II, P.E., LEED AP<br>
</b>1631 Acacia Drive NW<br>
Grand Rapids, MI 49504<br>
616 450 8653<?xml:namespace prefix = o ns =
"urn:schemas-microsoft-com:office:office" /><br>
</div>
<br>
<br>
<br><br>
<dl><hr>
<dd><font face="Tahoma" size=2>From:</b>
bldg-sim-bounces@lists.onebuilding.org
[<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" eudora="autourl">
mailto:bldg-sim-bounces@lists.onebuilding.org</a>] On Behalf Of
</b>Cramer Silkworth<br>
<dd>Sent:</b> Friday, August 21, 2009 1:27 PM<br>
<dd>To:</b> bldg-sim@lists.onebuilding.org<br>
<dd>Subject:</b> [Bldg-sim] leed & process loads<br>
</font><br>
<dd><font face="Helvetica, Helvetica" size=2>Hi All,<br><br>
<dd>I'm working up a detailed breakdown for process loads in a LEED
model, to justify using less than 25% of total. I'm wondering what other
people have gotten down to. If you've submitted with lower than 25%, how
low did you get, and how detailed was your analysis supporting it? I've
got computers and other electronic equipment, task lighting, and I'm
working on the elevator. Anything I'm missing? The building is ~50,000
sf, mostly office, but also a workout area (I'm accounting for treadmills
but nothing else draws any power).<br><br>
<dd>Thanks,<br>
<dd>Cramer<br>
</font>
<dd>-- <br>
<dd><font size=1>J. Cramer Silkworth<br>
<dd>Transsolar Climate Engineering<br>
<dd>Technical consulting for energy efficiency and environmental quality
in buildings.<br>
<dd>134 Spring Street, Suite 601<br>
<dd>New York, NY 10012<br>
<dd>212-219-2255<br>
<dd><a href="mailto:silkworth@transsolar.com">silkworth@transsolar.com</a>
<br>
</b></font><br>
</dl><br><br>
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</blockquote>
<x-sigsep><p></x-sigsep>
<br>
Chris Jones<br>
14 Oneida Avenue<br>
Toronto, ON M5J 2E3.<br>
Tel. 416-203-7465<br>
Fax. 416-946-1005<br><br>
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