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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>FYI… We have actual detailed measured data from two recent
projects. By measuring fans, pumps, fan powered VAV boxes, electric heat on
VAV boxes, chillers, lighting, etc. and then subtracting all of that off the
total building electricity …. we found that for one of the buildings the misc
equip was 10% and the other was closer to 25%. The misc equipment did include
elevators but we didn’t break out elevators separately. The building with 10%
misc equipment loads was a higher education type building with a mix of
classrooms and offices. The building with 25% misc equipment was a 8-5 M-F state
office building. I was kind of surprised that the misc equipment was as high
as it was for the office building. I didn’t think it would get that high… but
it was. Maybe something for the building to work on with their energy
management program (i.e. space heaters ???). It would be nice if we had better
or more benchmark data for misc equipment to compare to. Something for our
industry to work on. If everybody who is doing detailed M&V out there
could report the results to a common entity for data sharing, that would be a
good idea. That could give people a range of real numbers to compare to.<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>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'>Regards,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:black'>JAH<o:p></o:p></span></p>
<p class=MsoNormal><b><i><span style='font-size:10.0pt;color:#00B050'><o:p> </o:p></span></i></b></p>
<p class=MsoNormal><b><i><span style='font-size:10.0pt;color:#00B050'>James
A. Hess, PE, CEM</span></i></b><span style='color:#00B050'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'>Energy Engineer</span><span
style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'>TME, Inc.</span><span
style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#1F497D'>Little Rock, AR</span><span
style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:7.5pt;color:#1F497D'>ph 501-666-6776</span><span
style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:7.5pt;color:#1F497D'>cell
501-351-4667</span><span style='font-size:7.5pt;color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><u><span style='font-size:7.5pt;color:blue'><a
href="mailto:email@tmecorp.com">jhess@tmecorp.com</a></span></u><u><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></u></p>
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<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"'>
bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>James V.
Dirkes II, PE<br>
<b>Sent:</b> Saturday, August 22, 2009 11:44 AM<br>
<b>To:</b> 'Chris Jones'<br>
<b>Cc:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] leed & process loads<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:blue'>My engineering sensibilities say, "If the facts bear out a
lower-than-25% situation, then that's what should be accepted." I'd
be interested to hear what objections have been raised by reviewers who disputed
your explanation......</span><o:p></o:p></p>
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<p class=MsoNormal align=center style='mso-margin-top-alt:auto;mso-margin-bottom-alt:
auto;text-align:center'><b><span style='font-size:13.5pt'>The Building
Performance Team<br>
</span>James V. Dirkes II, P.E., LEED AP<br>
</b>1631 Acacia Drive NW<br>
Grand Rapids, MI 49504<br>
616 450 8653<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><o:p> </o:p></p>
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<blockquote style='margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<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"'> Chris Jones [mailto:cj@cr-jay.ca] <br>
<b>Sent:</b> Saturday, August 22, 2009 11:09 AM<br>
<b>To:</b> James V. Dirkes II, PE<br>
<b>Cc:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] leed & process loads</span><o:p></o:p></p>
<p class=MsoNormal>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>
<br>
<o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;
color:blue'>Dear Cramer,<br>
</span> <br>
<span style='font-size:10.0pt;color:blue'>A recent LEED Silver project used
this explanation:<br>
</span> <br>
<span style='font-size:10.0pt'>"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</span><span
style='font-size:10.0pt;font-family:"Arial Unicode MS","sans-serif"'>�</span><span
style='font-size:10.0pt'> 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>
</span> <o:p></o:p></p>
<p class=MsoNormal align=center style='text-align:center'><b><span
style='font-size:13.5pt'>The Building Performance Team<br>
</span></b><b>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" /><o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
<br>
<o:p></o:p></p>
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<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From: bldg-sim-bounces@lists.onebuilding.org
[<a href="mailto:bldg-sim-bounces@lists.onebuilding.org">
mailto:bldg-sim-bounces@lists.onebuilding.org</a>] On Behalf Of Cramer
Silkworth<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>Sent: Friday, August 21, 2009 1:27 PM<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>To: bldg-sim@lists.onebuilding.org<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:
12.0pt;margin-left:.5in'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>Subject:
[Bldg-sim] leed & process loads</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:
12.0pt;margin-left:.5in'><span style='font-size:10.0pt;font-family:"Helvetica","sans-serif"'>Hi
All,<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:
12.0pt;margin-left:.5in'><span style='font-size:10.0pt;font-family:"Helvetica","sans-serif"'>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).<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Helvetica","sans-serif"'>Thanks,<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Helvetica","sans-serif"'>Cramer</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'>-- <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt'>J.
Cramer Silkworth<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt'>Transsolar
Climate Engineering<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt'>Technical
consulting for energy efficiency and environmental quality in buildings.<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt'>134
Spring Street, Suite 601<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt'>New
York, NY 10012<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt'>212-219-2255<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:
12.0pt;margin-left:.5in'><span style='font-size:7.5pt'><a
href="mailto:silkworth@transsolar.com">silkworth@transsolar.com</a> </span><o:p></o:p></p>
<p class=MsoNormal><br>
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<p style='margin-bottom:12.0pt'><br>
Chris Jones<br>
14 Oneida Avenue<br>
Toronto, ON M5J 2E3.<br>
Tel. 416-203-7465<br>
Fax. 416-946-1005<o:p></o:p></p>
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