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<p class=MsoNormal><span style='color:#0025C4'>Actually – when you
install eQUEST it should put an XL file in your \eQUEST\Window folder titled eQUEST-DOE2
Glass Library.xls<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0025C4'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#0025C4'>This has the DOE2 glass types
sorted by SHGC and U-Value. Under U-value there are numbers for COG, as well as
assembly U-Values. <o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0025C4'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#0025C4'>Of course ultimately it depends
on the size of the glass lite. For example if you have a 10’ x 10’
opening, and you break it into 3 rows and 3 columns, your U value will be
higher than if you break it into 2 rows and one column.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#0025C4'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#0025C4'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#0025C4'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><b><span
style='font-size:12.0pt;font-family:"Garamond","serif";color:black'>Vikram
Sami,</span></b><span style='font-size:12.0pt;font-family:"Times New Roman","serif";
color:#0025C4'> </span><span style='font-size:12.0pt;font-family:"Garamond","serif";
color:black'>LEED AP</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";
color:#0025C4'> <br>
</span><span style='font-size:12.0pt;font-family:"Garamond","serif";color:black'>Direct
Phone 404-253-1466 | Direct Fax 404-253-1366</span><span style='font-size:12.0pt;
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style='font-size:12.0pt;font-family:"Garamond","serif";color:maroon'>L</span></b><b><span
style='font-size:10.0pt;font-family:"Garamond","serif";color:maroon'>ORD</span></b><b><span
style='font-size:12.0pt;font-family:"Garamond","serif";color:maroon'>, A</span></b><b><span
style='font-size:10.0pt;font-family:"Garamond","serif";color:maroon'>ECK</span></b><b><span
style='font-size:12.0pt;font-family:"Garamond","serif";color:maroon'> & S</span></b><b><span
style='font-size:10.0pt;font-family:"Garamond","serif";color:maroon'>ARGENT</span></b><b><span
style='font-size:12.0pt;font-family:"Garamond","serif";color:maroon'> A</span></b><b><span
style='font-size:10.0pt;font-family:"Garamond","serif";color:maroon'>RCHITECTURE</span></b><b><span
style='font-size:12.0pt;font-family:"Times New Roman","serif";color:#0025C4'><br>
</span></b><span style='font-size:10.0pt;font-family:"Garamond","serif";
color:#0025C4'>1201 Peachtree Street NE, Suite 300, Atlanta, GA 30361</span><span
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color:#0025C4'> </span><span style='font-size:10.0pt;font-family:"Garamond","serif";
color:#0025C4'>Technological Expertise</span><span style='font-size:12.0pt;
font-family:"Times New Roman","serif";color:#0025C4'> </span><span
style='font-size:7.5pt;font-family:Symbol;color:#0025C4'>·</span><span
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style='font-size:10.0pt;font-family:"Garamond","serif";color:#0025C4'>Exceptional
Service</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";
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visit our new website</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";
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color:black'>|</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";
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style='font-size:10.0pt;font-family:"Garamond","serif"'>www.lordaecksargent.com</span></a><o:p></o:p></span></p>
<p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><span
style='font-size:24.0pt;font-family:Webdings;color:#007F00'>P </span><span
style='font-size:10.0pt;font-family:"Garamond","serif";color:#007F00'>Think
GREEN before you print.</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif";
color:#0025C4'><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;font-family:"Times New Roman","serif";color:#0025C4'><o:p> </o:p></span></p>
</div>
<p class=MsoNormal><span style='color:#0025C4'><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>Srikar
Kaligotla<br>
<b>Sent:</b> Monday, September 22, 2008 1:35 PM<br>
<b>To:</b> 'Josh Greenfield'; bldg-sim@lists.onebuilding.org; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] Glass center-of-glass to assembly U-Value?<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Josh,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>You
could probably use ASHRAE fundamentals Handbook to get the assembly U-values.
Go to Fenestration (or 29<sup>th</sup> Chapter) and look for Table 5 (U-factors
for Various Fenestration products) this is from an older version. <o:p></o:p></span></p>
<div>
<p><b><i>Regards</i></b> <o:p></o:p></p>
<p style='margin-bottom:12.0pt'><b><i><span style='font-size:13.5pt;font-family:
Pristina;color:blue'>Srikar R Kaligotla</span></i></b> <br>
<i>Design Engineer<br>
HVAC Dept.</i> <o:p></o:p></p>
</div>
<div>
<div class=MsoNormal align=center style='text-align:center'><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'>
<hr size=2 width="100%" align=center>
</span></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"'>
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Josh
Greenfield<br>
<b>Sent:</b> Monday, September 22, 2008 12:07 PM<br>
<b>To:</b> bldg-sim@lists.onebuilding.org; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] Glass center-of-glass to assembly U-Value?</span><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Does anyone have any rules of thumb on a quick/easy approximation
for taking a Center-of-Glass U-value and converting it to an Assembly U-value
based on industry standard assembly constructions? I know this depends on
a lot of variables, like frame material and conductance, and the size of the
overall glass assembly, etc., but I’m just looking for a quick estimate
on performance reduction for comparisons to other window types for a particular
building.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Also, is there an ASHRAE 90.1-2004 Baseline glass Visible
Light Transmittance (VLT)?<o:p></o:p></p>
<p class=MsoNormal><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"'>Josh Greenfield, </span><span
style='font-size:7.5pt;font-family:"Arial","sans-serif"'>PE, LEED AP</span><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'><br>
Senior Associate<br>
Primera Engineers, Ltd.<br>
100 S. Wacker Drive, Suite 700<br>
Chicago, IL 60606<br>
312.606.0910 Main<br>
312.242.6392 Direct<br>
312.606.0415 Fax<br>
</span><span style='font-size:10.0pt;font-family:"Times New Roman","serif"'><a
href="blocked::mailto:jgreenfield@primerachicago.com"
title="blocked::mailto:jgreenfield@primerachicago.com"><span style='font-family:
"Arial","sans-serif"'>jgreenfield@primerachicago.com</span></a><br>
<a href="http://www.primerachicago.com"
title="blocked::http://www.primerachicago.com/"><span style='font-family:"Arial","sans-serif"'>http://www.primerachicago.com</span></a></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";
color:green'>Be Green...please consider the environment before printing this
email.</span><o:p></o:p></p>
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