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<div class=Section1>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Looks exciting… I think I know what we’re looking at…<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>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Copied below is a (lengthy) discussion which essentially
concluded with one of Scott Criswell’s typical answers – hammering the confusion
out of us all =). In it, he mentions the plan to include this helpful information
in future DOE2/eQuest releases… hopefully this is coming sooner than later!<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>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>~Nick<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:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><img width=119 height=37 id="Picture_x0020_1"
src="cid:image002.jpg@01CADFDA.027CD340" alt="cid:489575314@22072009-0ABB"></span><b><span
style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Calibri","sans-serif";
color:#CC9900'>PROJECT ENGINEER</span><span style='font-size:7.5pt;color:#CC9900'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>25501 west valley parkway<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>direct 913 344.0036<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>fax 913 345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>Check out our new web-site @ </span></i><span style='font-size:
11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a
href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span
style='font-size:10.0pt'>www.smithboucher.com</span></a></span><u><span
style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:blue'> </span></u><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:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<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"'> equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Demba
Ndiaye<br>
<b>Sent:</b> Monday, April 19, 2010 3:01 PM<br>
<b>To:</b> Carol Gardner; Bishop, Bill<br>
<b>Cc:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] How do I get unmet cooling/heating hours
toshow up in my sim file BEPU report?<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Well, this seems new; never seen it. A quick glance at my eQuest
reports tells me that the 3.63 – build 6510 version I have runs with
DOE-2.2-47d. I see here “h”, so it looks like the new one (or a test version).<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>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Anyway, this is the info we need for LEED EAc1 Template. And we
cannot get it from the SS-F/SS-R ‘cause they would include the coincident
hours, while this one does not seem 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>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>______________<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Demba NDIAYE<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 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"'>
equest-users-bounces@lists.onebuilding.org [mailto:equest-users-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>Carol Gardner<br>
<b>Sent:</b> Monday, April 19, 2010 3:14 PM<br>
<b>To:</b> Bishop, Bill<br>
<b>Cc:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] How do I get unmet cooling/heating hours to
show up in my sim file BEPU report?<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>Quick first take. It looks like
the numbers that would come from an SS-F/SS-R report summed up. I have never
seen this either. <br>
<br>
Maybe you can turn it off somehow? What do the above referenced reports show?<br>
<br>
Carol<o:p></o:p></p>
<div>
<p class=MsoNormal>On Mon, Apr 19, 2010 at 12:00 PM, Bishop, Bill <<a
href="mailto:wbishop@pathfinder-ea.com">wbishop@pathfinder-ea.com</a>>
wrote:<o:p></o:p></p>
<div>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I have an eQUESTion:</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'>How do I get this to
show up in my sim files? Is this a newer installation? All I ever get is the
first two “Percent of Hours” lines. (And it’s not because I always have zero
unmet hours…)</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Thanks,</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Bill</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'><img border=0
width=914 height=394 id="_x0000_i1025" src="cid:image003.jpg@01CADFDA.027CD340"></span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:10.0pt;font-family:"Franklin Gothic Medium Cond";color:black'>William
Bishop, EIT, BEMP, LEED<sup>®</sup> AP </span></b><b><span style='font-size:
10.0pt;font-family:"Franklin Gothic Medium Cond";color:#006600'>|</span></b><b><span
style='font-size:10.0pt;font-family:"Franklin Gothic Medium Cond";color:black'>
Pathfinder Engineers & Architects LLP</span></b><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'>Mechanical
Engineer</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:5.0pt;font-family:"Arial","sans-serif";color:black'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:9.0pt;font-family:"Arial","sans-serif"'>134 South Fitzhugh
Street</span><span style='font-size:9.0pt'><br>
</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>Rochester,
NY 14608</span><span style='font-size:9.0pt'><br>
</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>T: (585)
325-6004 <span style='color:black'>Ext. 114</span></span><span
style='font-size:9.0pt'><br>
</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>F: (585)
325-6005</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'><a
href="mailto:wbishop@pathfinder-ea.com" target="_blank">wbishop@pathfinder-ea.com</a></span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:9.0pt;font-family:"Arial","sans-serif";color:black'><a
href="http://www.pathfinder-ea.com" target="_blank">www.pathfinder-ea.com</a></span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:18.0pt;font-family:Webdings;color:green'>P</span><span
style='color:green'> </span><span style='font-size:7.5pt;color:green'>Please strive
to live sustainably.</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
</div>
</div>
<p class=MsoNormal style='margin-bottom:12.0pt'><br>
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<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#1F497D'>\</span></b><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"'> equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Nick
Caton<br>
<b>Sent:</b> Wednesday, October 28, 2009 7:33 AM<br>
<b>To:</b> Scott Criswell; steve.gates@doe2.com<br>
<b>Cc:</b> equest-users@lists.onebuilding.org; bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] [Bldg-sim] Ashrae 90.1 - Unmet hours<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Scott,<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>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Wanted to express thanks I’m certain many of us in the community
share for you, Steve Gates and the rest of the DOE-2 team. I know I’m not
the only one looking forward very much to this new feature!<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>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>~Nick<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>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><img border=0 width=119 height=37 id="Picture_x005f_x0020_1"
src="cid:image002.jpg@01CADFDA.027CD340" alt="cid:489575314@22072009-0ABB"></span><b><span
style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Calibri","sans-serif";
color:#CC9900'>PROJECT ENGINEER</span><span style='font-size:7.5pt;color:#CC9900'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>25501 west valley parkway<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>direct 913 344.0036<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>fax 913 345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>Check out our new web-site @ </span></i><span style='font-size:
11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a
href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span
style='font-size:10.0pt'>www.smithboucher.com</span></a></span><u><span
style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:blue'> </span></u><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><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>
<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"'> Scott Criswell
[mailto:scott.criswell@doe2.com] <br>
<b>Sent:</b> Tuesday, October 27, 2009 11:09 AM<br>
<b>To:</b> Rosenberg, Michael I<br>
<b>Cc:</b> ashu gupta; Nick Caton; Crockett, Jim; Kendra Tupper;
bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] Ashrae 90.1 - Unmet hours<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:black'><o:p> </o:p></span></p>
<p class=MsoNormal>I can confirm Mike's understanding of the DOE-2/eQUEST
results. To get the correct number of hours of unmet loads, people should
MULTIPLY the Percent hours outside throttling range from BEPS or BEPU by the
total annual "hours fans on" listed in report SS-E.<br>
<br>
One other comment re: Ashu's write-up - I believe that (for DOE-2/eQUEST) a
zone temperature has to be more than one degree outside the throttling range
for that hour to be counted as an hour outside throttling range. So for a
zone with a heating thermostat setpoint of 72 and a 2 degree throttling range
(=> 71-73 degree "throttling range"), the zone temperature would
have to be LESS THAN 70 in order for that hour to be counted.<br>
<br>
related info -<br>
We are contemplating a change to the Air-Side HVAC Summary view in the eQUEST
interface to report this total number of hours as opposed to just the percent
in the totals section at the bottom of the report.<br>
We have also just in the past several days (thanks to the efforts of Steve
Gates) added precision to the percent hours outside throttling range reported
on BEPS & BEPU and ALSO added separate reporting of hours any zone is
either under cooled or under heated, intended for reporting to LEED submission
templates. Assuming no further changes (which is certainly not out of the
question), future releases of DOE-2/eQUEST will report the following in the
BEPS & BEPU reports:<br>
<tt><span style='font-size:10.0pt'>
PERCENT OF HOURS ANY SYSTEM ZONE OUTSIDE OF THROTTLING RANGE = 4.45</span></tt><span
style='font-size:10.0pt;font-family:"Courier New"'><br>
<tt> PERCENT OF HOURS ANY PLANT
LOAD NOT
SATISFIED
= 0.00</tt><br>
<tt> HOURS ANY ZONE ABOVE
COOLING THROTTLING
RANGE
= 98</tt><br>
<tt> HOURS ANY ZONE BELOW
HEATING THROTTLING RANGE
= 25</tt><br>
</span><br>
- Scott<br>
<br>
<br>
Rosenberg, Michael I wrote: <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Ashu,</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I
am in agreement with everything you stated except possibly this;</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.25in;text-align:justify'>“When
percentage of unmet is specified, than this is the percentage of total number
of hours (1 year- 8760 hours) for which the simulation is performed (not just
the occupied hours)”<o:p></o:p></p>
<p class=MsoNormal style='text-align:justify'> <o:p></o:p></p>
<p class=MsoNormal style='text-align:justify'>My understanding is that some
simulation programs (DOE2 and eQuest in particular) report this as a percentage
of hours that the fan is running. I could be wrong, and I am sure some of you
DOE2 experts can comment on what is reported in the DOE2 BEPS report.<o:p></o:p></p>
<p class=MsoNormal style='text-align:justify'> <o:p></o:p></p>
<p class=MsoNormal style='text-align:justify'>Mike<o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal><b><span style='font-family:"Verdana","sans-serif";
color:#D47500'>__________________________</span></b> <o:p></o:p></p>
<p class=MsoNormal><b><span style='font-family:"Verdana","sans-serif"'>Michael
Rosenberg</span></b> <br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Senior
Commercial Buildings Energy Analyst</span> <br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>ENERGY &
ENVIRONMENT DIRECTORATE </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Pacific
Northwest National Laboratory </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>2032 Todd
Street </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Eugene, OR
97405 </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>(541)
844-1960 </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><a
href="mailto:michael.rosenberg@pnl.gov">michael.rosenberg@pnl.gov</a> </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#D47500'><a
href="http://www.pnl.gov">www.pnl.gov</a></span> <o:p></o:p></p>
<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"'> ashu gupta [<a
href="mailto:kce2@kamalcogentenergy.com">mailto:kce2@kamalcogentenergy.com</a>]
<br>
<b>Sent:</b> Monday, October 26, 2009 10:17 PM<br>
<b>To:</b> Rosenberg, Michael I; 'Nick Caton'; 'Crockett, Jim'; 'Kendra Tupper'<br>
<b>Cc:</b> <a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br>
<b>Subject:</b> RE: [Bldg-sim] Ashrae 90.1 - Unmet hours</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Dear All,</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Explanation of Unmet Hours is as follows:</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'> </span><o:p></o:p></p>
<p class=MsoNormal style='text-align:justify'><b>Unmet Hours:</b><o:p></o:p></p>
<p class=MsoNormal style='text-align:justify'>Unmet hours of a building are the
summation of the number of hours when the heating or the cooling set point
temperature of a zone is not met either by the HVAC system or by the plant.<o:p></o:p></p>
<p><b>Understanding/Interpreting/Calculating the number of unmet hours:</b><o:p></o:p></p>
<ul style='margin-top:0in' type=disc>
<li class=MsoNormal style='text-align:justify;mso-list:l0 level1 lfo1'>Unmet
hour is for a particular zone when the zone indoor temperature is higher
than the heating or cooling set point specified in that hour.<o:p></o:p></li>
<li class=MsoNormal style='text-align:justify;mso-list:l0 level1 lfo1'>The
number or the percentage of unmet hours in a building is usually given as
one of the outputs of the simulation.<o:p></o:p></li>
<li class=MsoNormal style='text-align:justify;mso-list:l0 level1 lfo1'>Zone
wise unmet can also be read from the various output files provided by the
software used for simulation.<o:p></o:p></li>
</ul>
<p class=MsoNormal style='text-align:justify'>(Example: <o:p></o:p></p>
<p class=MsoNormal style='text-align:justify'>Visual DOE: “SS-J System Peak
Heating and Cooling Days” report &<o:p></o:p></p>
<p class=MsoNormal style='text-align:justify'>Energy Plus: Output Variable,
“Time Cooling Set point Not met”)<o:p></o:p></p>
<ul style='margin-top:0in' type=disc>
<li class=MsoNormal style='text-align:justify;mso-list:l1 level1 lfo2'>When
two zones are unmet at the same hour, this will count to one unmet hour
for the building.<o:p></o:p></li>
<li class=MsoNormal style='text-align:justify;mso-list:l1 level1 lfo2'>When
two zones have unmet hours during different non overlapping times of a
day, the total number of unmet hours in that day is the summation of these
unmet hours of each zone. This total for the year should be considered as
the total unmet hours of the building.<o:p></o:p></li>
</ul>
<p class=MsoNormal style='text-align:justify;text-indent:.25in'><i>Example: </i><o:p></o:p></p>
<p class=MsoNormal style='text-align:justify;text-indent:.25in'>When each zone
is unmet in the specified hours as beside,<o:p></o:p></p>
<p class=MsoNormal style='text-align:justify;text-indent:.25in'> <o:p></o:p></p>
<p class=MsoNormal style='text-align:justify;text-indent:.25in'>Zone 1 unmet
during:
6
8
14 16<o:p></o:p></p>
<p class=MsoNormal style='text-align:justify;text-indent:.25in'>Zone 2 unmet
during:
6
8
12 16<o:p></o:p></p>
<p class=MsoNormal style='text-align:justify;text-indent:.25in'>Zone 3 unmet
during:
7
8
12 13<o:p></o:p></p>
<p class=MsoNormal style='text-align:justify'>
<o:p></o:p></p>
<p class=MsoNormal style='text-align:justify;text-indent:.5in'>Total number of
unmet hours of the building: <b>7 hrs</b> and not 12hrs.<o:p></o:p></p>
<p class=MsoNormal style='text-align:justify;text-indent:.5in'>6
7
8
12
13
14 16<o:p></o:p></p>
<p class=MsoNormal style='text-align:justify'> <o:p></o:p></p>
<ul style='margin-top:0in' type=disc>
<li class=MsoNormal style='text-align:justify;mso-list:l2 level1 lfo3'>When
percentage of unmet is specified, than this is the percentage of total number
of hours (1 year- 8760 hours) for which the simulation is performed (not
just the occupied hours)<o:p></o:p></li>
<li class=MsoNormal style='text-align:justify;mso-list:l2 level1 lfo3'>As per
ASHRAE 90.1-2004, the unmet hours of the total building should be less
than or equal to 300 hours and the difference in the base case and
proposed case should be less than or equal to 50 hours.<o:p></o:p></li>
<li class=MsoNormal style='text-align:justify;mso-list:l2 level1 lfo3'>If
unmet load hours in the proposed building exceed the unmet load hours in
the baseline building by more than 50, then the size of equipment in the
baseline building shall be reduced incrementally, until the condition is
satisfied.<o:p></o:p></li>
</ul>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Thanks</span><o:p></o:p></p>
<p style='margin-bottom:12.0pt'><span style='font-size:10.0pt;color:#004080'>Ashu
Gupta,<br>
Project Engineer,<br>
Kamal Cogent Energy,<br>
Kamal Ratan Chanbers 1st Floor,<br>
Opp. GPO, M.I. Road,<br>
Jaipur 302001<br>
Ph 141 2373185(W)<br>
Ph 9251665008(M)<br>
</span><span style='font-family:"Book Antiqua","serif";color:#004080'><a
href="mailto:kce2@kamalcogentenergy.com"><span style='font-size:10.0pt;
font-family:"Times New Roman","serif"'>kce2@kamalcogentenergy.com</span></a><br>
<a href="http://www.kamalcogentenergy.com"><span style='font-size:10.0pt;
font-family:"Times New Roman","serif"'>www.kamalcogentenergy.com</span></a></span><o:p></o:p></p>
<div class=MsoNormal align=center style='text-align:center'>
<hr size=2 width="100%" align=center>
</div>
<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"'> <a
href="mailto:bldg-sim-bounces@lists.onebuilding.org">bldg-sim-bounces@lists.onebuilding.org</a>
[<a href="mailto:bldg-sim-bounces@lists.onebuilding.org">mailto:bldg-sim-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Rosenberg, Michael I<br>
<b>Sent:</b> Tuesday, October 27, 2009 9:07 AM<br>
<b>To:</b> Nick Caton; Crockett, Jim; Kendra Tupper<br>
<b>Cc:</b> <a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Bldg-sim] Ashrae 90.1 - Unmet hours</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I
think eQuest and any DOE2 based software does report the hours of loads not
being met as required by Appendix G. In the BEPS report it gives “PERCENT OF
HOURS ANY SYSTEM ZONE OUTSIDE OF THROTTLING RANGE”. My understanding of this
number is that it is a percentage of scheduled fan run-time hours, so some
calculation may be necessary.</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal><b><span style='font-family:"Verdana","sans-serif";
color:#D47500'>__________________________</span></b> <o:p></o:p></p>
<p class=MsoNormal><b><span style='font-family:"Verdana","sans-serif"'>Michael
Rosenberg</span></b> <br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Senior
Commercial Buildings Energy Analyst</span> <br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>ENERGY &
ENVIRONMENT DIRECTORATE </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Pacific
Northwest National Laboratory </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>2032 Todd
Street </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Eugene, OR
97405 </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>(541)
844-1960 </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><a
href="mailto:michael.rosenberg@pnl.gov">michael.rosenberg@pnl.gov</a> </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#D47500'><a
href="http://www.pnl.gov">www.pnl.gov</a></span> <o:p></o:p></p>
<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"'> Nick Caton [<a
href="mailto:ncaton@smithboucher.com">mailto:ncaton@smithboucher.com</a>] <br>
<b>Sent:</b> Monday, October 26, 2009 8:20 PM<br>
<b>To:</b> Rosenberg, Michael I; Crockett, Jim; Kendra Tupper<br>
<b>Cc:</b> <a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br>
<b>Subject:</b> RE: [Bldg-sim] Ashrae 90.1 - Unmet hours</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Mike,</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I appreciate you bringing this up. This definition drives
straight to the heart of defining the issue-at-hand… Since I kinda
presented both sides of the issue at once – I’d like to clarify where I stand
regarding what the correct interpretation <u>should be</u>. </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The logic is as follows: If a modeled year has 8,760
hours, can there be 10,000 unmet load hours? By strict reading of the
standard’s definition below, I would put my foot down stating there can <u>only</u>
be 8,760, at most. </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>By common practice however, it appears a majority (myself
included) sum unmet cooling/heating hours between the zones, even if they
should fall on the same modeled hour, against the intent of the standard.
</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>My pure speculation (for what it’s worth, as a young EIT) is
this practice developed because eQuest BDL reports don’t present the crunched
numbers in a way that makes the sum of unmet load hours, as intended by 90.1,
easy to determine. I wouldn’t be shocked to learn other energy modeling
software packages generate LEED compliance summaries featuring unmet load hour
totals in sync with the real intent of ASHRAE 90.1.</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>If there’s anything I’ve learned from going out on a limb, it’s
that I’m sure to learn something whether I fall or not!</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>~Nick</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><img border=0 width=119 height=37 id="Picture_x0020_4"
src="cid:image002.jpg@01CADFDA.027CD340" alt="cid:489575314@22072009-0ABB"></span><o:p></o:p></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'> </span></b><o:p></o:p></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Calibri","sans-serif";
color:#CC9900'>PROJECT ENGINEER</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>25501 west valley parkway</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>olathe ks 66061</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>direct 913 344.0036</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>fax 913 345.0617</span><o:p></o:p></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>Check out our new web-site @ </span></i><span style='font-size:
11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a
href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span
style='font-size:10.0pt'>www.smithboucher.com</span></a></span><u><span
style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:blue'> </span></u><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<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"'> Rosenberg, Michael
I [<a href="mailto:michael.rosenberg@pnl.gov">mailto:michael.rosenberg@pnl.gov</a>]
<br>
<b>Sent:</b> Monday, October 26, 2009 7:39 PM<br>
<b>To:</b> Nick Caton; Crockett, Jim; <a
href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br>
<b>Subject:</b> RE: [Bldg-sim] Ashrae 90.1 - Unmet hours</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Nick,</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Your
interpretation is the correct one. According to the definitions in Standard
90.1.</span><o:p></o:p></p>
<p class=definitions><b><i><span style='font-family:"Arial","sans-serif"'>unmet
load hour:</span></i></b><span style='font-family:"Arial","sans-serif"'> an
hour in which one or more zones is outside of the thermostat setpoint range.</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Mike</span><o:p></o:p></p>
<p class=MsoNormal><b><span style='font-family:"Verdana","sans-serif";
color:#D47500'>__________________________</span></b> <o:p></o:p></p>
<p class=MsoNormal><b><span style='font-family:"Verdana","sans-serif"'>Michael
Rosenberg</span></b> <br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Senior
Commercial Buildings Energy Analyst</span> <br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>ENERGY &
ENVIRONMENT DIRECTORATE </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Pacific
Northwest National Laboratory </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>2032 Todd
Street </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Eugene, OR
97405 </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>(541)
844-1960 </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><a
href="mailto:michael.rosenberg@pnl.gov">michael.rosenberg@pnl.gov</a> </span><br>
<span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:#D47500'><a
href="http://www.pnl.gov">www.pnl.gov</a></span> <o:p></o:p></p>
<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"'> <a
href="mailto:bldg-sim-bounces@lists.onebuilding.org">bldg-sim-bounces@lists.onebuilding.org</a>
[<a href="mailto:bldg-sim-bounces@lists.onebuilding.org">mailto:bldg-sim-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Nick Caton<br>
<b>Sent:</b> Monday, October 26, 2009 5:33 PM<br>
<b>To:</b> Crockett, Jim; <a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Bldg-sim] Ashrae 90.1 - Unmet hours</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Jim,</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>That’s actually a really good question that I was afraid to ask
when I first encountered it – kudos to you! I’ve currently resolved to follow
what others seemed to be doing within and outside of my office: Sum up
all unmet hours for cooling and heating between the zones just as you
describe. In your example, I’d agree that the unmet hours of your
301 zone building total 301.</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I do agree that this doesn’t seem intuitively to be the intent
of the standard, however between what is suggested within 90.1, the LEED
handbook, and the LEED credit templates – I honestly can’t see any clear
indication either way on which is the appropriate interpretation. </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I think the appropriate metric for ensuring appropriately sized
systems should be something like: “hours of the modeled year in which at least
one zone has an unmet cooling/heating load,” but I think that was avoided
by all concerned parties because it’s too wordy!</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>My acting interpretation, again referencing your example, is
that all systems of your 301 zone example affecting the zones with unmet
cooling/heating hours should have their heating/cooling/overall sizing capacity
ratios increased incrementally until the design hours fall below 300 (and/or
within 50 of the sum from the other model, depending on your situation).</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Afraid I’m only really adding to the discussion here without
providing a solid answer. Would like to echo the desire to see anyone’s
experiences that would help us know the “right” way to interpret this (in my
case, specifically in the context of a LEED submittal).</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><img border=0 width=119 height=37
id="Picture_x005f_x005f_x005f_x0020_1" src="cid:image002.jpg@01CADFDA.027CD340"
alt="cid:489575314@22072009-0ABB"></span><o:p></o:p></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'> </span></b><o:p></o:p></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Calibri","sans-serif";
color:#CC9900'>PROJECT ENGINEER</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>25501 west valley parkway</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>olathe ks 66061</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>direct 913 344.0036</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>fax 913 345.0617</span><o:p></o:p></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>Check out our new web-site @ </span></i><span style='font-size:
11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a
href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span
style='font-size:10.0pt'>www.smithboucher.com</span></a></span><u><span
style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:blue'> </span></u><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> </span><o:p></o:p></p>
<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"'> <a
href="mailto:bldg-sim-bounces@lists.onebuilding.org">bldg-sim-bounces@lists.onebuilding.org</a>
[<a href="mailto:bldg-sim-bounces@lists.onebuilding.org">mailto:bldg-sim-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Crockett, Jim<br>
<b>Sent:</b> Monday, October 26, 2009 4:27 PM<br>
<b>To:</b> <a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br>
<b>Subject:</b> [Bldg-sim] Ashrae 90.1 - Unmet hours</span><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Ashrae
90.1 (2004) Appendix G3.1.2.2 requires a baseline building to have less than
300 unmet hours. What exactly does this mean?</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>To
illustrate my question: assume you have a building with 301 zones, and
each zone has 1 unmet hour per year. This gives you a total of 301 unmet
hours, and requires you to increase your baseline equipment capacity. But
you could argue that, on average, the building has only 1 unmet hour per year.</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Have
any of you run into this? Is it addressed in an addendum somewhere, etc?</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Any
help is appreciated. Thanks,</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Jim
Crockett, P.E.</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Senior
Project Engineer</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Energy
& Carbon Management</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Nexant,
Inc.</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>4021 S.
700 E., Suite 250</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>Salt
Lake City, Utah 84107</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-family:"Courier New"'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>(801)
639-5603 - phone</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>(801)
266-4786 - fax</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-family:"Courier New"'> </span><o:p></o:p></p>
<pre><o:p> </o:p></pre><pre style='text-align:center'><o:p> </o:p></pre><pre
style='text-align:center'><o:p> </o:p></pre><pre style='text-align:center'><o:p> </o:p></pre><pre
style='text-align:center'><o:p> </o:p></pre><pre style='text-align:center'><o:p> </o:p></pre><pre
style='text-align:center'><o:p> </o:p></pre><pre style='text-align:center'>
<hr size=4 width="90%" align=center>
</pre><pre style='text-align:center'><o:p> </o:p></pre><pre
style='text-align:center'><o:p> </o:p></pre><pre style='text-align:center'><o:p> </o:p></pre><pre
style='text-align:center'><o:p> </o:p></pre><pre style='text-align:center'><o:p> </o:p></pre><pre
style='text-align:center'><o:p> </o:p></pre><pre><o:p> </o:p></pre><pre>_______________________________________________<o:p></o:p></pre><pre>Bldg-sim mailing list<o:p></o:p></pre><pre><a
href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org</a><o:p></o:p></pre><pre>To unsubscribe from this mailing list send a blank message to <a
href="mailto:BLDG-SIM-UNSUBSCRIBE@ONEBUILDING.ORG">BLDG-SIM-UNSUBSCRIBE@ONEBUILDING.ORG</a><o:p></o:p></pre><pre> <o:p></o:p></pre>
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