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<div class=Section1>
<p class=MsoPlainText>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 class=MsoPlainText>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>
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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'><img width=591 height=170 id="Picture_x0020_1"
src="cid:image001.png@01CADAFE.BF97DEB0"
alt="Christie Rimes, Building Simulation Analyst WSP Flack + Kurtz 405 Howard Street, Suite 500 San Francisco, CA 94105 Direct: 415.402.2727 Main Tel: 415.398.3833 Fax: 415.433.5311 website: http://www.wspfk.com vCard: http://vcards.wspfk.com/vcardloader.php?filename=flackkurtz-christie-rimes-wspfk-com-1255981339.vcf image: "><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>
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<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>Vikram Sami<br>
<b>Sent:</b> Tuesday, April 13, 2010 11:38 AM<br>
<b>To:</b> JohannesHopf; bldg-sim@lists.onebuilding.org; LukeWilson<br>
<b>Subject:</b> Re: [Bldg-sim] Easy Question<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Interesting
point. I've never noticed this before, but this is different from 2004. </span><o:p></o:p></p>
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<div>
<p class=MsoNormal> <o:p></o:p></p>
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<div>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>2004 stated
:</span><o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
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<p><em><span style='font-family:"Arial","sans-serif"'>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.</span></em><o:p></o:p></p>
<p> <o:p></o:p></p>
<div>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>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. </span><span
style='font-size:7.5pt;font-family:"Arial","sans-serif"'><o:p></o:p></span></p>
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<div>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'> <o:p></o:p></span></p>
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<div>
<p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>(Not so
easy question after all, but a good one). </span><span style='font-size:7.5pt;
font-family:"Arial","sans-serif"'><o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif"'> <o:p></o:p></span></p>
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<div>
<p class=MsoNormal><br>
--- On <b>Tue, 4/13/10, Wilson, Luke <i><LWilson@integral-group.net></i></b>
wrote:<o:p></o:p></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><br>
From: Wilson, Luke <LWilson@integral-group.net><br>
Subject: Re: [Bldg-sim] Easy Question<br>
To: "Hopf, Johannes" <johannes.hopf@dreso.com>,
"bldg-sim@lists.onebuilding.org"
<bldg-sim@lists.onebuilding.org><br>
Date: Tuesday, April 13, 2010, 10:05 AM<o:p></o:p></p>
<div>
<p class=MsoNormal>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">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">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">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">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">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">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">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">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">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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