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<DIV dir=ltr align=left><SPAN class=471570716-10122009><FONT face=Arial
size=2>Jason,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=471570716-10122009><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=471570716-10122009><FONT face=Arial size=2>I
have a situation that is identical to the one you describe. Modeling the
baseline in step 1 with gas, although as you say it may not seem
inline with the idea of cost-neutral modeling, it is specifically what the
document requires. That is the way I have proceeded. Good
luck!</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=471570716-10122009><FONT face=Arial
size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=471570716-10122009><FONT face=Arial
size=2>Regards,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=471570716-10122009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=471570716-10122009>
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style="COLOR: #4d4d4d; FONT-FAMILY: 'GillSans Light'; mso-bidi-font-size: 10.0pt">Jonathan
M. Curtin, EIT, LEED</SPAN></B><SUP><SPAN
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AP</SPAN></B><B><SPAN
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style="mso-spacerun: yes"> </SPAN></SPAN></B><B><SPAN
style="COLOR: #4d4d4d; FONT-FAMILY: 'GillSans Light'">Mechanical
Engineer</SPAN></B><STRONG><SPAN
style="FONT-FAMILY: 'GillSans Light'"><o:p></o:p></SPAN></STRONG></P>
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<FONT face=Tahoma size=2><B>From:</B> bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <B>On Behalf Of </B>Siensa,
Jason<BR><B>Sent:</B> Thursday, December 10, 2009 10:04 AM<BR><B>To:</B>
bldg-sim@lists.onebuilding.org<BR><B>Subject:</B> [Bldg-sim] District Thermal
Energy in LEED<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal>I'd like to get some feedback on my case regarding district
Thermal Energy. I've had conflicting responses on the subject and have
found no definitive answer.<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal>The baseline system qualifies to be modeled as System type 2
(PTHP). The proposed system uses district chilled water only and no central
heating plant. According to table 3, in the Required Treatment of District
Thermal Energy... document, Systems 1&2 are to be modeled as constant volume
fan coil units with hot water fossil fuel boilers. My proposed system uses
all electric heating coils. How is this cost-neutral
modeling?<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal>Should I stay consistent with my proposed design and model
the baseline as constant volume fan coil with <B>electric </B>heating coils, or
should I model the baseline as constant volume fan coil with hot water
<B>electric </B>boilers?<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal>Thanks, in advanced for any responses.<o:p></o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal><o:p> </o:p></P>
<P class=MsoNormal style="MARGIN-BOTTOM: 12pt; LINE-HEIGHT: 15pt"><SPAN
style="FONT-SIZE: 8pt; FONT-FAMILY: 'Arial Black','sans-serif'">Jason
Siensa</SPAN><SPAN
style="FONT-SIZE: 8pt; FONT-FAMILY: 'Arial','sans-serif'"><BR></SPAN><SPAN
style="FONT-SIZE: 8pt; FONT-FAMILY: 'Arial Black','sans-serif'">HVAC
Engineer</SPAN><SPAN
style="FONT-SIZE: 12pt; FONT-FAMILY: 'Times New Roman','serif'"><o:p></o:p></SPAN></P></DIV>
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