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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'>Nick,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Thanks for forwarding the previous post – I should’ve searched the archives first.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I see merits to both schools of thought. My preference for now will be to set project altitude to zero. The air flow and fan power reported in SV-A will be consistent with the calculated/entered value for baseline fan power (in kW/cfm).<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Bill<o:p></o:p></span></p><p class=MsoNormal><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"'> Nick Caton [mailto:ncaton@smithboucher.com] <br><b>Sent:</b> Tuesday, May 17, 2011 6:13 PM<br><b>To:</b> Bishop, Bill; equest-users@lists.onebuilding.org<br><b>Subject:</b> RE: [Equest-users] Appendix G. supply fan power and altitude adjustment<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='color:#1F497D'>Hey Bill,<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'>These altitude shenanigans eQuest likes to play in the airflow/coil calculations are a potentially messy issue when it comes to baseline calcs and LEED reviewers. <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'>Attached thread pretty much covers the issue inside and out from multiple perspectives.<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'>There are a 2 schools of thought:<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='color:#1F497D'><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Set project altitude to ‘0’ – this corrects all airflows, but you’ll find coil capacities are sized slightly differently (this has been a working approach for LEED reviewers in my experience)… <o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='color:#1F497D'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Divide <i><u>all</u></i> entered airflows by the altitude factor for the project (listed on those system reports). A more cumbersome solution, but I gather this will correctly trick eQuest into doing the intuitive thing with regard to airflow/coil sizing.<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'>My sense is this is one of those things fundamental to DOE-2 that won’t easily change, but I’ve said before – it would be a great ‘feature’ to add in future releases to have an option to treat all entered capacities are relative to the site elevation, instead of sea level.<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'>~Nick<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal><span style='color:#1F497D'><img width=119 height=37 id="_x0000_i1026" src="cid:image002.jpg@01CC1532.9D14B5B0" alt="cid:489575314@22072009-0ABB"></span><b><span style='font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-family:"Stylus BT","sans-serif";color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-size:12.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p><p class=MsoNormal><span style='font-size:7.5pt;color:#CC9900'>PROJECT ENGINEER<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>Smith & Boucher Engineers</span><span style='font-size:7.5pt;font-family:"Times New Roman","serif";color:#CC9900'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>25501 west valley parkway<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>direct 913 344.0036<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;color:#2D4D5E'>fax 913 345.0617<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><a href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span style='font-size:10.0pt'>www.smithboucher.com</span></a></span><u><span style='font-size:10.0pt;color:blue'> </span></u><span style='color:#1F497D'><o:p></o:p></span></p></div><p class=MsoNormal><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>Bishop, Bill<br><b>Sent:</b> Tuesday, May 17, 2011 2:49 PM<br><b>To:</b> equest-users@lists.onebuilding.org<br><b>Subject:</b> [Equest-users] Appendix G. supply fan power and altitude adjustment<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The supply cfm reported in SV-A is corrected for altitude, but the fan power on the same report is for sea level. So if, for example, you enter 0.0003 kW/cfm for Appendix G Baseline System 1 and 2 fan power, the SV-A reported fan power is low relative to the SV-A flow rate. (This was noticed in a LEED review and I was asked to verify the fan power calculations.)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Can/should I be multiplying the baseline fan power allowance by the altitude factor (also reported on SV-A)?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal>Bill<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><img border=0 width=496 height=123 id="Picture_x0020_1" src="cid:image001.jpg@01CC1532.9D14B5B0" alt="Signature in jpg form"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>