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<div class=Section1>
<p class=MsoNormal><span style='color:#1F497D'>Apologies, below is the “easy
question” discussion I intended to include for your perusal =).<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@01CADD5A.86907650"
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"'> bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Nick Caton<br>
<b>Sent:</b> Friday, April 16, 2010 11:44 AM<br>
<b>To:</b> Katherine Louman-Gardiner; bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] eQuest - ASHRAE Window Standars<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>Katherine,<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'>There was a very lengthy
discussion this week (perhaps misleading entitled “easy question”) on this
topic which I think will completely answer your question if you’ll plug through
it. I’ve copied it below as it’s not yet in the archives ;).<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 personally choose to always
use the actual window layout in both models as a matter of time-efficiency (you
have to plug it in once anyway), provided the overall glazing percentage is
less than 40%.<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'>Without taking any sides, I’ll
share my general perspective – disregard it if you wish: In my experience, time
invested in more accurately modeling system/envelope behaviors generally tends
to yield better baseline performances. Taking the alternative approach of
exploiting the more hazily written passages of 90.1 to yield similar
performance improvements may be harder to justify later on.<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>
<div>
<p class=MsoNormal><span style='color:#1F497D'><img border=0 width=119
height=37 id="Picture_x0020_1" src="cid:image001.jpg@01CADD5A.86907650"
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"'>
bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Katherine
Louman-Gardiner<br>
<b>Sent:</b> Friday, April 16, 2010 11:27 AM<br>
<b>To:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> [Bldg-sim] eQuest - ASHRAE Window Standars<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span lang=EN-CA>Hi<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA>I’m in the process of building an eQuest
model to compare to an AHRAE one. <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA>According to the ASHRAE guidelines, windows
must be distributed evenly along each of the four sides of the building.
Our building is a complex structure, with very different heating zones.
(We have a large garage that will not be heated/cooled to the same
temperature as the adjacent office space).<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA>It seems like we will gain an advantage
when comparing our proposed design to the ASHRAE one, by putting windows in an
area that won’t be heated as much. Has anyone encountered a similar
situation? How did you deal with it?<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-CA>Thank you,<o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-CA><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Katherine
Louman-Gardiner</span><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"'>Mechanical
Engineer in Training</span><o:p></o:p></p>
<p class=MsoNormal><span lang=EN-CA style='color:#1F497D'><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 1.5pt;
padding:0in 0in 1.0pt 0in'>
<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"'>
bldg-sim-bounces@lists.onebuilding.org [mailto:bldg-sim-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>Wilson, Luke<br>
<b>Sent:</b> Wednesday, April 14, 2010 10:12 AM<br>
<b>To:</b> Rodney Boerman; Dana Troy<br>
<b>Cc:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] Easy Question<o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>Good question. Appendix G says
"40% of gross above-grade wall area" which leads me to believe that
the 40% applies to the entire building WWR, not each exposure's WWR. Appendix G
also says "shall be distributed on each face of the building in the
same proportions in the proposed design".<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'>From this I believe that the 40%
WWR maximum applies to the entire building, while the proportion of the windows
is the same for each exposure for both the proposed and the baseline.<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'>Luke<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"'>
bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Rodney
Boerman<br>
<b>Sent:</b> Wednesday, April 14, 2010 8:36 AM<br>
<b>To:</b> Dana Troy<br>
<b>Cc:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] Easy Question<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>Is maximum 40%WWR intended to apply to gross building or to
principal exposures? Assume 4 exposures: 1: 30% wall (100% window),
2: 20% wall (0% window), 3: 30% wall (0% window), 4: 20%
wall (0% window). Building WWR = 30%. Would baseline
window WWR match exposure 1 of design case at 100%WWR? Prior to 2004
addendum #1, (equalized banding) would have modeled all baseline walls at 30%,
but now will match proportions of design case, even if an exposure exceeds
40% - (and proportionally reduce all exposures only if building WWR exceeds
40%)?<o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><o:p> </o:p></p>
<p class=MsoNormal>On Tue, Apr 13, 2010 at 3:16 PM, Dana Troy <<a
href="mailto:DTroy@glumac.com">DTroy@glumac.com</a>> wrote:<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'>All,</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'>As per Addendum A to 90.1-2004, you do NOT need to
distribute the baseline glazing uniformly in horizontal bands across the four
orientations. ASHRAE 90.1-2007 is basically 90.1-2004 incorporating the changes
made in Addendum A. All addenda can be found here: </span><a
href="http://www.ashrae.org/technology/page/132" target="_blank">http://www.ashrae.org/technology/page/132</a><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'>If you read Table G3.1.5, it only states that the glass
must not exceed 40% and must be distributed by the same proportions as the
proposed building. Therefore, if you have a building with 50% WWR, you just
have to reduce <i>each window by 20%</i>. This will still ensure that you have
the same proportions (e.g. 20% of all of the glass on the north, 30% of all of
the glass on the south, 40% of all of the glass on the east, and 10% of all of
the glass on the west).</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'>If your baseline WWR is less than 40%, then leave the
window proportions, shapes, and sizes the same in the baseline and the proposed
design.</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'>This has all been well documented on the archives as
well: </span><a
href="http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2007-April/004077.html"
target="_blank">http://lists.onebuilding.org/htdig.cgi/bldg-sim-onebuilding.org/2007-April/004077.html</a><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><i><span
style='color:#1F497D'> </span></i><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'>Regards,</span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'><br>
</span><b><span style='font-size:10.0pt;color:#1F497D'>Dana Troy</span></b><span
style='color:#1F497D'><br>
</span><span style='font-size:10.0pt;color:#1F497D'>Energy Analyst</span><span
style='color:#1F497D'><br>
</span><span style='font-size:10.0pt;color:#1F497D'>LEED<sup>®</sup> Accredited
Professional</span><span style='color:#1F497D'><br>
<br>
</span><a href="http://www.glumac.com/" target="_blank"><b><span
style='text-decoration:none'>Error! Filename not specified.</span></b></a><o:p></o:p></p>
<div class=MsoNormal><span style='color:#1F497D'>
<hr size=2 width=330 style='width:247.5pt' noshade style='color:#ACA899'
align=left>
</span></div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:9.0pt;color:#1F497D'>320 SW Washington, Suite 200</span><span
style='color:#1F497D'><br>
</span><span style='font-size:9.0pt;color:#1F497D'>Portland, OR 97204-2640</span><span
style='color:#1F497D'><br>
</span><span style='font-size:9.0pt;color:#1F497D'>T. 503.227.5280
F. 503.274.7674<br>
<br>
</span><b><span style='font-size:10.0pt;color:#333333'>Thinking. Inside the building.</span></b><span
style='font-size:9.0pt;color:#1F497D'><br>
</span><span style='font-size:10.0pt;color:#333333'><a
href="http://www.glumac.com/" target="_blank">www.glumac.com</a></span><span
style='color:#1F497D'> <br>
<b>Error! Filename not specified.</b></span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'> </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'>From:</span></b><span style='font-size:10.0pt'> Carol
Gardner [mailto:<a href="mailto:cmg750@gmail.com" target="_blank">cmg750@gmail.com</a>]
<br>
<b>Sent:</b> Tuesday, April 13, 2010 11:58 AM<br>
<b>To:</b> Rimes, Christie<br>
<b>Cc:</b> <a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a>
<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt'><br>
<b>Subject:</b> Re: [Bldg-sim] Easy Question<o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <span
style='font-size:12.0pt'><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'>Perhaps
I'm missing something, but didn't he ask us how to <b>calculate </b>the window
to wall ratio? If I'm not missing something, we need to know specifically, is
the wall number wall only or wall + glass. This level of information is shown
on the LV-D report in eQUEST, if he's using eQUEST. That's why I said, "it
depends".<br>
<br>
Carol<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>On
Tue, Apr 13, 2010 at 11:45 AM, Rimes, Christie <<a
href="mailto:Christie.Rimes@wspfk.com" target="_blank">Christie.Rimes@wspfk.com</a>>
wrote:<o:p></o:p></p>
<p>For the 90.1-2004 I have always taken it as Luke explained, evenly
distributed the WWR of the entire building.<o:p></o:p></p>
<p>However for 90.1-2007 I have interpreted the description to mean that the
windows stay in the same location as the proposed building?<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='color:#1F497D'>Error! Filename not specified.</span></b><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='color:#1F497D'> </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'>From:</span></b><span style='font-size:10.0pt'> <a
href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>
[mailto:<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Vikram Sami<br>
<b>Sent:</b> Tuesday, April 13, 2010 11:38 AM<br>
<b>To:</b> JohannesHopf; <a href="mailto:bldg-sim@lists.onebuilding.org"
target="_blank">bldg-sim@lists.onebuilding.org</a>; LukeWilson</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'><br>
<b>Subject:</b> Re: [Bldg-sim] Easy Question</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>
<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0>
<tr>
<td valign=top style='padding:0in 0in 0in 0in'>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Interesting
point. I've never noticed this before, but this is different from 2004. <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>2004
stated :<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p>
<p><i>Vertical fenestration areas for new buildings and additions shall equal
that in the proposed design or 40% of gross abovegrade wall area, whichever
is smaller, and shall be distributed uniformly in horizontal bands across the
four orientations.</i><o:p></o:p></p>
<p> <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>It
looks like they have changed it (shall be distributed on each face of the
building in the same proportions in the proposed design) to be more
representative of the actualy building. I think 2007 is asking you to
distibute it by orientation (if you have 40% on the west, 25% south, 20%north
and 25% east in your design, you will have 40% on the west, 25% south,
20%north and 25% east in your baseline). This makes sense because otherwise
we were doing the striping as well as the 4 rotations which was a little
redndant. <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:7.5pt'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>(Not
so easy question after all, but a good one). <o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:7.5pt'> </span><o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><br>
--- On <b>Tue, 4/13/10, Wilson, Luke <i><<a
href="mailto:LWilson@integral-group.net" target="_blank">LWilson@integral-group.net</a>></i></b>
wrote:<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;margin-bottom:12.0pt'><br>
From: Wilson, Luke <<a href="mailto:LWilson@integral-group.net"
target="_blank">LWilson@integral-group.net</a>><br>
Subject: Re: [Bldg-sim] Easy Question<br>
To: "Hopf, Johannes" <<a href="mailto:johannes.hopf@dreso.com"
target="_blank">johannes.hopf@dreso.com</a>>, "<a
href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a>"
<<a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a>><br>
Date: Tuesday, April 13, 2010, 10:05 AM<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>ASHRAE
90.1-2007 Table G3.1 reads:<br>
"Vertical fenestration areas for new buildings and additions shall equal
that in the proposed design or 40% of gross above-grade wall area, whichever
is smaller, and shall be distributed on each face of the building in the same
proportions in the proposed design."<br>
<br>
I wasn't aware that this requirement had changed in the 2007 version (thanks
Cam!).<br>
<br>
Luke<br>
<br>
-----Original Message-----<br>
From: <a
href="http://us.mc656.mail.yahoo.com/mc/compose?to=bldg-sim-bounces@lists.onebuilding.org"
target="_blank">bldg-sim-bounces@lists.onebuilding.org</a> [mailto:<a
href="http://us.mc656.mail.yahoo.com/mc/compose?to=bldg-sim-bounces@lists.onebuilding.org"
target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>] On Behalf Of
Hopf, Johannes<br>
Sent: Tuesday, April 13, 2010 12:55 PM<br>
To: <a
href="http://us.mc656.mail.yahoo.com/mc/compose?to=bldg-sim@lists.onebuilding.org"
target="_blank">bldg-sim@lists.onebuilding.org</a><br>
Subject: Re: [Bldg-sim] Easy Question<br>
<br>
I can't find this section in Table 1.3.? I just find the 40% limitation for<br>
the baseline building. Can you post an excerpt?<br>
<br>
<br>
Best regards<br>
<br>
<br>
Johannes <br>
<br>
-----Ursprüngliche Nachricht-----<br>
Von: <a
href="http://us.mc656.mail.yahoo.com/mc/compose?to=bldg-sim-bounces@lists.onebuilding.org"
target="_blank">bldg-sim-bounces@lists.onebuilding.org</a><br>
[mailto:<a
href="http://us.mc656.mail.yahoo.com/mc/compose?to=bldg-sim-bounces@lists.onebuilding.org"
target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>] Im Auftrag von
Wilson, Luke<br>
Gesendet: Dienstag, 13. April 2010 17:18<br>
An: Eurek, John S NWO; <a
href="http://us.mc656.mail.yahoo.com/mc/compose?to=bldg-sim@lists.onebuilding.org"
target="_blank">bldg-sim@lists.onebuilding.org</a><br>
Betreff: Re: [Bldg-sim] Easy Question<br>
<br>
John,<br>
<br>
I'm assuming you are using ASHRAE 90.1-2007 Appendix G for your Baseline?<br>
If so, the way I read it from Table G3.1 is that you should evenly distribute<br>
the WWR of the entire building, not for each floor. Therefore I would use<br>
11.4% for each floor.<br>
<br>
Luke<br>
<br>
-----Original Message-----<br>
From: <a
href="http://us.mc656.mail.yahoo.com/mc/compose?to=bldg-sim-bounces@lists.onebuilding.org"
target="_blank">bldg-sim-bounces@lists.onebuilding.org</a><br>
[mailto:<a
href="http://us.mc656.mail.yahoo.com/mc/compose?to=bldg-sim-bounces@lists.onebuilding.org"
target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>] On Behalf Of
Eurek, John S<br>
NWO<br>
Sent: Tuesday, April 13, 2010 10:22 AM<br>
To: <a
href="http://us.mc656.mail.yahoo.com/mc/compose?to=bldg-sim@lists.onebuilding.org"
target="_blank">bldg-sim@lists.onebuilding.org</a><br>
Subject: [Bldg-sim] Easy Question<br>
<br>
I have a two story building. For the baseline I am evenly distributing
the<br>
fenestration.<br>
<br>
The first floor window area is 462.2 ft^2<br>
The second floor window area is 647.1 ft^2<br>
<br>
The first floor wall area is 4858 ft^2<br>
The second floor wall area is 4858 ft^2<br>
<br>
In the base line model do I use:<br>
<br>
First floor 9.5%<br>
Second floor 13.3%<br>
<br>
OR<br>
<br>
First floor 11.4%<br>
Second floor 11.4%<br>
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