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<DIV><FONT color=#0000ff size=2 face=Arial><SPAN class=078302419-21082009>Dear
Cramer,</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff size=2 face=Arial><SPAN
class=078302419-21082009></SPAN></FONT> </DIV>
<DIV><FONT color=#0000ff size=2 face=Arial><SPAN class=078302419-21082009>A
recent LEED Silver project used this explanation:</SPAN></FONT></DIV>
<DIV><FONT color=#0000ff size=2 face=Arial><SPAN
class=078302419-21082009></SPAN></FONT> </DIV><FONT color=#0000ff size=2
face=Arial><SPAN class=078302419-21082009>
<DIV
style="MARGIN: 0in 0in 0pt; mso-list: l0 level1 lfo1; tab-stops: list .5in left 3.5in"
class=MsoNormal><SPAN
style="FONT-FAMILY: 'Century Schoolbook'; FONT-SIZE: 11pt"><FONT
color=#000000><SPAN class=078302419-21082009>"</SPAN>Process load is comprised
of receptacles and elevators only, and accounts for slightly less than 17% of
the total energy cost.<SPAN style="mso-spacerun: yes"> </SPAN>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.<SPAN style="mso-spacerun: yes"> </SPAN>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<SPAN
style="mso-spacerun: yes"> </SPAN>actual, designed peak energy use and
appropriate diversity.<SPAN style="mso-spacerun: yes"> </SPAN>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.<SPAN
class=078302419-21082009>"</SPAN></FONT></SPAN></DIV></SPAN></FONT>
<DIV> </DIV>
<DIV class=Section1>
<P style="TEXT-ALIGN: center" class=MsoNormal align=center><B
style="mso-bidi-font-weight: normal"><FONT size=4>The Building Performance
Team<BR></FONT></B><B style="mso-bidi-font-weight: normal">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><o:p> </o:p></P></DIV>
<DIV> </DIV><BR>
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<FONT size=2 face=Tahoma><B>From:</B> bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <B>On Behalf Of </B>Cramer
Silkworth<BR><B>Sent:</B> Friday, August 21, 2009 1:27 PM<BR><B>To:</B>
bldg-sim@lists.onebuilding.org<BR><B>Subject:</B> [Bldg-sim] leed &
process loads<BR></FONT><BR></DIV>
<DIV></DIV><FONT size=-1><FONT face="Helvetica, Arial, sans-serif">Hi
All,<BR><BR>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>Thanks,<BR>Cramer<BR></FONT></FONT>
<DIV class=moz-signature>-- <BR><B><FONT size=1 face=Arial>J. Cramer
Silkworth<BR>Transsolar Climate Engineering<BR>Technical consulting for energy
efficiency and environmental quality in buildings.<BR>134 Spring Street, Suite
601<BR>New York, NY 10012<BR>212-219-2255<BR><A
title=mailto:silkworth@transsolar.com
href="mailto:silkworth@transsolar.com">silkworth@transsolar.com</A>
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