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<div class=Section1>
<p class=MsoNormal><span style='color:#4F6228'>[For continuity, I’m
attaching Michael’s most recent response to Dakota’s followup…
just some convulted copy/pasting to keep the discussion moving in one direction]<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Michael,<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>I’d like to caution you
against a fairly common misinterpretation. 90.1 is unfortunately not
crystal clear, but the general consensus on these lists (including reviewer
input) is that 90.1 is citing unmet hours as “coincidental” unmet
hours. The long and short of it is, you aren’t supposed to
literally sum up the unmet heating and cooling hours of each zone to come up
with total unmet hours, even though it may seem intuitive. If you do, you’re
likely unnecessarily penalizing one or both models and putting extra work on
yourself. See the message copied below (scroll to the bottom and
read-on-up) for a more in-depth explanation/discussion of a “best
practice” approach with eQuest – there’s more where that came
from in the archives also.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>~Nick<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span style='color:#1F497D'><img width=119 height=37
id="_x0000_i1027" src="cid:image001.jpg@01CB2DA0.B034AAD0"
alt="cid:489575314@22072009-0ABB"></span><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-size:12.0pt;
font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;color:#CC9900'>PROJECT ENGINEER</span><span
style='font-size:7.5pt;font-family:"Times New Roman","serif";color:#CC9900'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>25501 west
valley parkway<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>direct 913
344.0036<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>fax 913
345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;color:#2D4D5E'>Check out
our new web-site @ </span></i><span style='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;color:blue'> </span></u><span style='color:#1F497D'><o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='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>M.
Shields<br>
<b>Sent:</b> Tuesday, July 27, 2010 2:59 PM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] Unmet Hours<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>Nick,<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>My baseline model currently has
0 unmet hours, and my proposed has around 100 total if I add up all of the
unmet hours in all zones. From my interpretation (and I believe
you’re confirming it) this does not qualify. If I read 90.1
correctly then there is no weighting or averaging, it’s just a total
unmet hours anywhere in the building (ie zone 1 hours +zone 2 hours +zone 3
hours…. Etc). Does anyone else disagree with this interpretation?<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Thanks,<o:p></o:p></span></p>
<div style='mso-element:para-border-div;border:none;border-bottom:solid windowtext 1.0pt;
padding:0in 0in 1.0pt 0in'>
<p class=MsoNormal style='border:none;padding:0in'><span style='color:#1F497D'>Michael<o:p></o:p></span></p>
<p class=MsoNormal style='border:none;padding:0in'><span style='color:#1F497D'><o:p> </o:p></span></p>
</div>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='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"'> Dakota Kelley
[mailto:dakotak@teliospc.com] <br>
<b>Sent:</b> Tuesday, July 27, 2010 3:52 PM<br>
<b>To:</b> Nick Caton; M. Shields; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> RE: [Equest-users] Unmet Hours<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>I put one small FYI at the end
of Nick’s #3 below, in all caps for the sake of the plain text
archives…<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div style='mso-element:para-border-div;border:none;border-bottom:solid windowtext 1.0pt;
padding:0in 0in 1.0pt 0in'>
<p class=MsoNormal style='border:none;padding:0in'><span style='color:#1F497D'>Dakota<o:p></o:p></span></p>
<p class=MsoNormal style='border:none;padding:0in'><span style='color:#1F497D'><o:p> </o:p></span></p>
</div>
<p class=MsoNormal><span style='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"'> Nick Caton
[mailto:ncaton@smithboucher.com] <br>
<b>Sent:</b> Tuesday, July 27, 2010 2:33 PM<br>
<b>To:</b> M. Shields; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] Unmet Hours<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>Michael, <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>90.1’s passage (G3.1.2.2)
regarding unmet hours requirements is something I had to re-read many times to
get my head fully wrapped around it… Here’s my current
interpretation:<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span
style='color:#1F497D'><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:#1F497D'>You need to have 300
or fewer hours in each model.<o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span
style='color:#1F497D'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:#1F497D'>The proposed is not
allowed to perform worse than the baseline by more than 50 unmet hours.
If it does you have to make the baseline “underperform” so
they’re within 50 of each other. <o:p></o:p></span></p>
<p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span
style='color:#984806'><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'>
</span></span></span><![endif]><span style='color:#1F497D'>The baseline is
permitted to perform worse than the proposed (by any degree) as long as
it’s still 300 or fewer unmet hours. </span><span style='color:#984806'>THIS
IS MY INTERPRETATION AS WELL, BUT IT IS WORTH MENTIONING THAT MORE THAN ONE
LEED REVIEWER HAS INDICATED THE OPPOSITE. FOR EXAMPLE, I WAS TOLD I WAS
OUT OF COMPLIANCE WHEN THE BASELINE HAD 65 UNMET COOLING HOURS AND THE PROPOSED
HAD 5 UNMET COOLING HOURS. DO YOU ARGUE, OR JUST REDUCE THE BASELINE
HOURS? IT PENALIZES THE BASELINE TO REDUCE THOSE HOURS, SO I WENT AHEAD
AND DID WHAT I WAS TOLD. <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>You haven’t said whether you’re
talking about your baseline or proposed model, but the above points should
guide you as to whether you need to make an adjustment. Refer to G3.1.2.2
for review and further info.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>~Nick<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><img border=0 width=119
height=37 id="_x0000_i1026" src="cid:image001.jpg@01CB2DA0.B034AAD0"
alt="cid:489575314@22072009-0ABB"></span><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-size:12.0pt;
font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;color:#CC9900'>PROJECT ENGINEER</span><span
style='font-size:7.5pt;font-family:"Times New Roman","serif";color:#CC9900'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>25501 west
valley parkway<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>direct 913
344.0036<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>fax 913
345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;color:#2D4D5E'>Check out
our new web-site @ </span></i><span style='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;color:blue'> </span></u><span style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='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>M.
Shields<br>
<b>Sent:</b> Tuesday, July 27, 2010 1:19 PM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] Unmet Hours<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Hi All,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I am working on filing out the LEED paperwork for submittal
and for unmet hours I am wondering does the reviewer want the total unmet load
hours for the building, or an average per zone? My building has about 100
zones, most of which have 0 unmet hours, but I have one zone which has
significant (more than 50) unmet hours. Does this mean my model exceeds
the requirement that the difference between the baseline and the proposed be
less than 50 hours?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thanks for any advice.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Michael Shields<o:p></o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Book Antiqua","serif"'>Phone:
803-493-4507<br>
Fax: 803-548-2511<br>
Email: <a href="mailto:mshields@fstrategies.com">mshields@fstrategies.com</a><o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>***<o:p></o:p></span></p>
<p class=MsoNormal><span style='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"'>
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Nick
Caton<br>
<b>Sent:</b> Tuesday, July 06, 2010 1:53 PM<br>
<b>To:</b> Andrew T McMurray; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] (no subject)<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>There’s much discussion on
this in the archives, but basically the difference is that BEPS/BEPU is
reporting % of <u>coincidental</u> unmet hours (when multiplied by the annual
hours fans on in report SS-E), as we intuitively think of it, whereas the SS-R
reports are reporting unmet hours for each zone without regard to coincidental
unmet hours. Summing the SS-R reports may be the more intuitive approach,
but you’ll end up with a conceptually different figure that can often be
higher than the figure found through BEPS/SS-R.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Note there’s a degree of
rounding involved when you only get a percentage to so many decimal places.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>As an example, if you had an
imaginary model with only two zones which were unmet all year long, BEPS would
report 100% hours outside throttling range, whereas adding up the SS-R report
hours might lead you to believe there are as many as 8,760*2 = 17,520 hours per
year.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Therein lies the answer to why
the numbers don’t sync up after adding up the SS-R figures. For
now, multiplying the BEPS figure by the annual hours fans on is the best
approach imho for documenting compliance with the baseline/proposed unmet hours
requirements.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>It’s been said the next
released version of eQuest will present this information more clearly in the
BEPS/BEPU reports.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>~Nick<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><img border=0 width=119
height=37 id="Picture_x0020_1" src="cid:image001.jpg@01CB2DA0.B034AAD0"
alt="cid:489575314@22072009-0ABB"></span><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-size:12.0pt;
font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;color:#CC9900'>PROJECT ENGINEER</span><span
style='font-size:7.5pt;font-family:"Times New Roman","serif";color:#CC9900'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>fax 913
345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;color:#2D4D5E'>Check out
our new web-site @ </span></i><span style='color:#1F497D'><a
href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span
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style='font-size:10.0pt;color:blue'> </span></u><span style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='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"'>
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Andrew
T McMurray<br>
<b>Sent:</b> Tuesday, July 06, 2010 1:17 PM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] (no subject)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Hello
Everyone,</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
am trying to finalize a building model for a LEED submission but am having
difficulty getting the BEPS report "percent of hours any system zone
outside of throttling range" to match the SS-R reports "zone under
heated" and "zone under cooled" hours. This was a
complaint from the LEED reviewer.</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"'>The
building has three systems and all spaces are conditioned. The
BEPS report lists hours outside of throttling range at 2% (175hrs), but the
SS-R report lists under heated and cooled hours of 280 (3.2%). </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
consider myself fairly familiar with equest but am unable to get these two
numbers to match. Has anyone run into this problem in the past or have any
ideas of where I should be focusing my attention?</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"'>Many
Thanks,</span><o:p></o:p></p>
<p class=MsoNormal> <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"'>Andrew
McMurray, EIT<br>
P. A. Collins PE Consulting Engineers<br>
15 West 26th Street, 5th Floor<br>
New York, NY 10010<br>
<br>
tel: 212.696.5294<br>
fax: 212.696.5295<br>
<a href="http://www.pacollinspe.com">www.pacollinspe.com</a></span><o:p></o:p></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
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