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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='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Raj,<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'>This is where Section G2.5 comes in – you can model the night purge as an exceptional calculation methodology and take credit for it that way. It will require a parametric model or even a third model (depending on your approach to parametric models).<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><b><span style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:#1F497D'>Jeremy R. Poling, PE, LEED AP+BDC</span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><br><br></span><span style='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></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";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>Kris Raj<br><b>Sent:</b> Friday, March 18, 2011 9:20 PM<br><b>To:</b> Bldg-sim<br><b>Subject:</b> Re: [Bldg-sim] Night purge<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><div><p class=MsoNormal>James,<o:p></o:p></p></div><div><p class=MsoNormal> Thank you for your responce. I am really confused because having night purge requires that the base case and proposed case have different operating schedules. The proposed case controls will check the space and outdoor temperatures at night and run the fans.<o:p></o:p></p></div><div><p class=MsoNormal>However for the base case the fans are turned off at night. Dosen't ASHRAE 90.1 appendix G require us to have the same operating schedules for the base and proposed case.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>thanks,<o:p></o:p></p></div><div><p class=MsoNormal>raj<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal><br> <o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><div class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'><hr size=1 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"'> "James V Dirkes II, PE" <jvd2pe@tds.net><br><b>To:</b> Bldg-sim <bldg-sim@lists.onebuilding.org><br><b>Sent:</b> Fri, March 18, 2011 8:09:44 PM<br><b>Subject:</b> Re: [Bldg-sim] Night purge<br></span><br><br><o:p></o:p></p><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>Dear Raj,</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'>If it saves energy, it counts.</span><o:p></o:p></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span><o:p></o:p></p><div><p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:13.5pt;color:#1F497D'>The Building Performance Team<br></span><span style='color:#1F497D'>James V. Dirkes II, P.E., LEED AP<br></span></b><span style='color:#1F497D'>1631 Acacia Drive NW<br>Grand Rapids, MI 49504<br>616 450 8653</span><o:p></o:p></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Arial","sans-serif";color:#1F497D'> </span><o:p></o:p></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'> bldg-sim-bounces@lists.onebuilding.org [mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Kris Raj<br><b>Sent:</b> Friday, March 18, 2011 6:32 PM<br><b>To:</b> Bldg-sim<br><b>Subject:</b> [Bldg-sim] Night purge</span><o:p></o:p></p></div></div><p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p><div><div><p class=MsoNormal style='margin-left:.5in'>Hello,<br>Does anyone know if we can take credit for night purge under LEED 2.2<br>thanks,<br>raj<o:p></o:p></p></div></div><p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p></div></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>