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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hello Esmireta,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">In general, I would advise that you do your best to model the windows as are drawn on the architectural design documents. If your project has many many different
window sizes, try to set up several typical types that best represent a set of window and frame dimensions.
<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">Also, just keeping the WWR the same may not yield the same daylight distribution in the model. This would affect calculations for daylight dimming, too.<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">Good luck,<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:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Shanta Tucker, PE, LEED AP BD+C, BEMP
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Associate<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Atelier Ten<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Environmental Design Consultants + Lighting Designers<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D">45 East 20th Street, 4th Floor<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D">New York NY 10003<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D">T +1 (212) 254 4500 x210<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D">F +1 (212) 254 1259<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D">shanta.tucker@atelierten.com<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="http://www.atelierten.com/">www.atelierten.com</a><o:p></o:p></span></p>
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<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";color:windowtext">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext"> bldg-sim-bounces@lists.onebuilding.org [mailto:bldg-sim-bounces@lists.onebuilding.org]
<b>On Behalf Of </b>JRR<br>
<b>Sent:</b> Tuesday, February 28, 2012 9:24 PM<br>
<b>To:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] Do I need to use the actual window shape?<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">YES SEE Passive Solar Handbook Extended Professional Edition, Mazria, 1979. try Amazon.com<br>
<br>
IT"S the header space at the top of the window, the width of the soffit, that turns off the summer heat................<br>
<br>
bye.......<br>
<br>
<br>
On 2/24/2012 12:10 PM, Alex Krickx wrote: <o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Esmireta,</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’m not sure about what LEED requires, but I would be aware that in addition to Window-Wall Ratio, you should also consider Glass-Frame ratio. Depending on
the software and method that you model windows, two 3’x5’ windows with a 1” frame are NOT the same as one 6’x5’ window (the 6’x5’ would have two vertical components, whereas the two 3’x5’ would have four vertical components). I’m not sure a LEED reviewer would
notice the difference, but I think best practice is to include the correct frame area in your model.</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">Kind regards,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Alex Krickx</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-family:"Calibri","sans-serif";color:#262F13">Alex Krickx, LEED AP</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:gray">Building Energy Specialist</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">Serious Energy, Inc.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">1250 Elko Dr, Sunnyvale, CA 94089</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">(t) 408.541.8124</span><o:p></o:p></p>
<p class="MsoNormal"><a href="mailto:akrickx@seriousenergy.com"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif"">akrickx@seriousenergy.com</span></a><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Calibri","sans-serif""> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></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"">
</span><a href="mailto:bldg-sim-bounces@lists.onebuilding.org"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">bldg-sim-bounces@lists.onebuilding.org</span></a><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> [</span><a href="mailto:bldg-sim-bounces@lists.onebuilding.org"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">mailto:bldg-sim-bounces@lists.onebuilding.org</span></a><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">]
<b>On Behalf Of </b>Esmireta<br>
<b>Sent:</b> Thursday, February 23, 2012 5:45 PM<br>
<b>To:</b> BLDGSIM<br>
<b>Subject:</b> [Bldg-sim] Do I need to use the actual window shape?</span><o:p></o:p></p>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial","sans-serif"">When doing the LEED project, do I need to use the actual window shape, or just keep the window-wall ratio in each direction?</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial","sans-serif"">I don't think the window shape will influence the energy cost if the window-wall ratio is the same. But I don't know if the LEED reviewer care about it.</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:10.5pt;font-family:"Arial","sans-serif"">Thanks a lot!</span><o:p></o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman","serif""><br>
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<p class="MsoNormal"><span style="font-family:"Times New Roman","serif"">-- <o:p>
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<p><span style="font-size:15.0pt">John R Ross III PE <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Times New Roman","serif"">Westwind Corporation
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