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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hi Janne,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>For figuring out the unmet load hours, the
300 hours per year is out of the 8,760 hours simulated. If every zone in the
building simultaneously experiences an unmet load (such as when heating is
first turned on after the building is allowed to get very cold), that only
counts as one hour (or maybe two or three for a heat pump). The BEPS and BEPU DOE
2.2 reports show the percent of hours outside of throttling range. My
understanding is that if this value is 3.4% or less (300/8760) than the
condition is met.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Bill<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 color=black face="Franklin Gothic Medium"><span
style='font-size:10.0pt;font-family:"Franklin Gothic Medium";color:black;
font-weight:bold'>William Bishop</span></font></b><b><font size=2 color=black
face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;font-family:
"Franklin Gothic Medium Cond";color:black;font-weight:bold'>, EIT, LEED<sup>®</sup>
AP</span></font></b><b><font size=2 color="#003300"
face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;font-family:
"Franklin Gothic Medium Cond";color:#003300;font-weight:bold'> </span></font></b><b><font
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style='font-size:10.0pt;font-family:"Franklin Gothic Medium Cond";color:#003300;
font-weight:bold'> </span></font></b><b><font size=2 color=black
face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;font-family:
"Franklin Gothic Medium Cond";color:black;font-weight:bold'>Pathfinder
Engineers LLP<o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;font-family:Arial;color:black'>Mechanical Engineer<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
3.0pt;font-family:Arial;color:black'><o:p> </o:p></span></font></p>
<p class=MsoNormal><st1:address w:st="on"><st1:Street w:st="on"><font size=1
color=black face=Arial><span style='font-size:9.0pt;font-family:Arial;
color:black'>3300 Monroe Ave., Suite 306</span></font></st1:Street><font
size=1 color=black face=Arial><span style='font-size:9.0pt;font-family:Arial;
color:black'> <br>
<st1:City w:st="on">Rochester</st1:City>, <st1:State w:st="on">NY</st1:State>
<st1:PostalCode w:st="on">14618</st1:PostalCode></span></font></st1:address><font
size=1 color=black face=Arial><span style='font-size:9.0pt;font-family:Arial;
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<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;font-family:Arial;color:black'>TEL (585) 218-0730 Ext. 114<br>
FAX (585) 218-0737 <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;font-family:Arial;color:black'>bbishop@pathfinderengineers.com<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
3.0pt;font-family:Arial;color:black'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;font-family:Arial;color:black'>www.pathfinderengineers.com<o:p></o:p></span></font></p>
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style='font-size:18.0pt;font-family:Webdings;color:green'>P</span></font><font
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style='font-size:7.5pt;color:green'>Please consider the environment before
printing this email</span></font><font color=green><span style='color:green'><o:p></o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Kairento, Janne<br>
<b><span style='font-weight:bold'>Sent:</span></b> Monday, January 12, 2009
9:36 AM<br>
<b><span style='font-weight:bold'>To:</span></b> bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Bldg-sim] LEED Energy
Modeling with eQUEST</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hey All, <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>I am curious as to how to break up the thermal blocks in
eQUEST. eQUEST allows each zone to be broken down into different space types by
percentage. According to Appendix G, Table G3.1, Section 7, three conditions
have to be met in order to clump thermal blocks together: the space use
classification has to be the same, they have to have exposure to one façade (or
a façade with a <45 deg bend), and they have to be served by the same type
of HVAC equipment. When a large zone is created based on the area being
conditioned by a HVAC system, breaking down the spaces by the percentage
doesn’t meet the three conditions required. If spaces are broken down
according to the ASHRAE requirements, it often leads to a large amount of
zones. If all zones have at least 1 hr. of unmet heating or cooling, and there
are greater then 300 zones, the model will exceed the amount of hours allowed.
Any suggestions on an approach on zoning to simplify the model that meets
ASHRAE requirements?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Thanks, <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Janne<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>Janne Kairento, E.I.T., LEED AP</span></font></b>
<br>
<b><i><font size=2 color=gray><span style='font-size:10.0pt;color:gray;
font-weight:bold;font-style:italic'>Cosentini Associates</span></font></i></b> <br>
<font size=2 color=gray><span style='font-size:10.0pt;color:gray'>One Broadway</span></font>
<br>
<st1:place w:st="on"><st1:City w:st="on"><font size=2 color=gray><span
style='font-size:10.0pt;color:gray'>Cambridge</span></font></st1:City><font
size=2 color=gray><span style='font-size:10.0pt;color:gray'>, <st1:State
w:st="on">MA</st1:State> <st1:PostalCode w:st="on">02142</st1:PostalCode></span></font></st1:place>
<br>
<font size=2 color=gray><span style='font-size:10.0pt;color:gray'>Phone:
617.494.9090</span></font> <br>
<font size=2 color=gray><span style='font-size:10.0pt;color:gray'>Fax:
617.494.9292</span></font> <o:p></o:p></p>
<p><b><font size=2 color=green face=Optima><span style='font-size:10.0pt;
font-family:Optima;color:green;font-weight:bold'>Please consider the
environment before printing this e-mail</span></font><o:p></o:p></b></p>
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