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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>Hello Kevin,<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 would recommend looking at this report prepared for ASHRAE TC4.4 by Morrison Hershfield.š They have some pretty good data which may help you out. <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'><a href="http://www.morrisonhershfield.com/ashrae1365research/Documents/MH_1365RP_Final_%20small.pdf">http://www.morrisonhershfield.com/ashrae1365research/Documents/MH_1365RP_Final_%20small.pdf</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='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'><br></span><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Byron D. Burns, EIT, BEMP</span></b><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'> <br></span><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#666666'>Energy Analyst/ Modeler</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D'> <br><br><b>H&A Architects & Engineers</b> | <a href="http://www.ha-inc.com"><span style='color:#006C67'>www.ha-inc.com</span></a> <br><br><br></span><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>Coleman, Kevin<br><b>Sent:</b> Monday, November 04, 2013 1:56 PM<br><b>To:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> [Equest-users] Slab extending through wall<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am evaluating a new 10-story hotel design that is proposing glass curtain walls and pre-tensioned concrete floors that project beyond the walls. On 3 sides the projections are minimal (6 inches). However, on one side, the projections extend about 3 ft. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>For the small projections, I intent to use the following method recommended in the thread below. “In screen 4 of 25 of the DD shell wizard you can specify "Slab Penetrates Wall Plane" (check box).”<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am interested in any tips for modeling the thermal impacts of the larger projections. Thoughts? (I plan to use window shading for the light/shading impacts.)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am hopeful that the analysis will help convince the design team to incorporate some insulation and thermal breaks!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks in advance!<o:p></o:p></p><p class=MsoNormal>Kevin<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Brian Fountain bfountain at greensim.com <o:p></o:p></p><p class=MsoNormal>Mon Dec 6 11:45:18 PST 2010<o:p></o:p></p><p class=MsoNormal>Previous message: [Equest-users] balcony<o:p></o:p></p><p class=MsoNormal>Next message: [Equest-users] Shading<o:p></o:p></p><p class=MsoNormal>Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>In screen 4 of 25 of the DD shell wizard you can specify "Slab <o:p></o:p></p><p class=MsoNormal>Penetrates Wall Plane" (check box). If you do, eQUEST created a new <o:p></o:p></p><p class=MsoNormal>wall type of height equal to your slab thickness and composed of 1' of <o:p></o:p></p><p class=MsoNormal>concrete plus any slab edge insulation you specify on the same wiz <o:p></o:p></p><p class=MsoNormal>screen. That provides a parallel path for the heat transfer from the <o:p></o:p></p><p class=MsoNormal>balcony or slab edge. Not exactly 2D heat transfer modelling -- but at <o:p></o:p></p><p class=MsoNormal>least you aren't ignoring the effect of the slab edge or balcony.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><b><span style='font-family:"Cambria","serif";color:#1F497D'>Kevin Coleman, CEM, LEED AP</span></b><span style='font-family:"Cambria","serif";color:#000066'> </span><span style='font-family:"Arial","sans-serif";color:#999999'>”</span><span style='font-family:"Cambria","serif";color:#000066'> </span><b><span style='font-family:"Cambria","serif";color:#999999'>Project Manager </span></b><b><span style='font-family:"Arial","sans-serif";color:#999999'>”</span></b><b><span style='font-family:"Cambria","serif";color:#000066'> </span></b><b><span style='font-family:"Cambria","serif";color:#1F497D'>Nexant, Inc.</span></b><b><span style='font-family:"Cambria","serif";color:#000066'> </span></b><b><span style='font-family:"Arial","sans-serif";color:#999999'>”</span></b><b><span style='font-family:"Cambria","serif";color:#999999'> Demand Management <o:p></o:p></span></b></p><p class=MsoNormal><span style='color:#999999'>1232 Fourier Drive, Suite 125</span><span style='color:#000066'> </span><span style='font-family:"Arial","sans-serif";color:#999999'>”</span><span style='color:#999999'> Madison, WI 53717 </span><span style='font-family:"Arial","sans-serif";color:#999999'>”</span><span style='color:#999999'> 608.824.1230 </span><span style='font-family:"Arial","sans-serif";color:#999999'>”</span><span style='color:#999999'> </span><span style='color:#000066'> </span><u><span style='color:blue'><a href="mailto:kcoleman@nexant.com">kcoleman@nexant.com</a></span></u><o:p></o:p></p><p class=MsoNormal><span style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:18.0pt;font-family:Webdings;color:green'>P </span><span style='color:green'>Please consider the environment before printing this email<b> <o:p></o:p></b></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>