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</o:shapelayout></xml><![endif]--></head><body bgcolor=white 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'>I’d add that 62.1 should also improve the guidance on naturally ventilated spaces.<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'>In lieu of that happening, I’d recommend CIBSE Guides AM10 and AM13 for the design of natural ventilation and mixed mode systems.<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'>While they won’t necessarily help with your LEED submittal, they are really good guidance that will be useful if you plan on doing more nat vent/mixed mode designs.<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'>Regards,<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'>Nathan<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><table class=MsoNormalTable border=0 cellspacing=3 cellpadding=0 width=783 style='width:470.05pt'><thead><tr><td valign=top style='padding:.75pt .75pt .75pt .75pt'><table class=MsoNormalTable border=0 cellspacing=4 cellpadding=0 width=783 style='width:470.05pt'><thead><tr style='height:46.7pt'><td valign=top style='padding:.75pt .75pt .75pt .75pt;height:46.7pt'><p class=MsoNormal style='line-height:115%'><a href="http://www.iesve.com/"><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E;border:none windowtext 1.0pt;padding:0in;text-decoration:none'><img border=0 width=80 height=80 id="Picture_x0020_1" src="cid:image001.jpg@01CD2EFA.3069E380" alt="Description: cid:image001.jpg@01CC2177.D9110D60"></span></a><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'><o:p></o:p></span></p></td><td width=384 valign=top style='width:230.55pt;padding:.75pt .75pt .75pt .75pt;height:46.7pt'><p class=MsoNormal style='line-height:115%'><b><span style='font-size:13.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>Nathan Kegel</span></b><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'> <br></span><b><span style='font-size:9.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>Project Manager<o:p></o:p></span></b></p><p class=MsoNormal style='line-height:115%'><b><span style='font-size:9.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>Business Development Manager<o:p></o:p></span></b></p><p class=MsoNormal style='line-height:115%'><span style='font-size:8.0pt;line-height:115%;font-family:"Calibri","sans-serif";color:#006B6E;mso-fareast-language:EN-GB'>Minneapolis Office<o:p></o:p></span></p></td><td width=309 valign=top style='width:185.2pt;padding:.75pt .75pt .75pt .75pt;height:46.7pt'><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width=306 style='width:183.7pt'><tr><td width=49 style='width:29.1pt;padding:0in 0in 0in 0in'><p class=MsoNormal style='line-height:115%'><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>T (UK):<o:p></o:p></span></p></td><td width=258 style='width:154.6pt;padding:0in 0in 0in 0in'><p class=MsoNormal style='line-height:115%'><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>+44 (0) 141 945 8500<o:p></o:p></span></p></td></tr><tr><td width=49 style='width:29.1pt;padding:0in 0in 0in 0in'><p class=MsoNormal style='line-height:115%'><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>F (UK):<o:p></o:p></span></p></td><td width=258 style='width:154.6pt;padding:0in 0in 0in 0in'><p class=MsoNormal style='line-height:115%'><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>+44 (0) 141 945 8501<o:p></o:p></span></p></td></tr><tr><td width=49 style='width:29.1pt;padding:0in 0in 0in 0in'><p class=MsoNormal style='line-height:115%'><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>T (US):<o:p></o:p></span></p></td><td width=258 style='width:154.6pt;padding:0in 0in 0in 0in'><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#006B6E'>763.276.9981</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p></td></tr><tr><td width=49 style='width:29.1pt;padding:0in 0in 0in 0in'><p class=MsoNormal style='line-height:115%'><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>M (US):<o:p></o:p></span></p></td><td width=258 style='width:154.6pt;padding:0in 0in 0in 0in'><p class=MsoNormal style='line-height:115%'><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>415.420.9314<o:p></o:p></span></p></td></tr><tr style='height:10.5pt'><td width=306 colspan=2 style='width:183.7pt;padding:0in 0in 0in 0in;height:10.5pt'><p class=MsoNormal style='line-height:115%'><span style='font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.iesve.com/"><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>http://www.iesve.com</span></a></span><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'> <o:p></o:p></span></p></td></tr></table></td></tr></thead><tr><td width=778 colspan=3 valign=top style='width:467.05pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal style='line-height:115%'><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>**Design, Simulate + Innovate with the <b><Virtual Environment></b>** <o:p></o:p></span></p></td></tr><tr><td width=778 colspan=3 style='width:467.05pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal style='line-height:115%'><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>Integrated Environmental Solutions Limited. Registered in Scotland No. SC151456<br>Registered Office - Helix Building, West Of Scotland Science Park, Glasgow G20 0SP<o:p></o:p></span></p></td></tr><tr><td width=778 colspan=3 style='width:467.05pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal style='line-height:115%'><span style='font-size:11.0pt;line-height:115%;font-family:"Calibri","sans-serif";color:#1F497D'><a href="http://www.iesve.com/disclaimer.html"><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'>Email Disclaimer</span></a></span><span style='font-size:8.0pt;line-height:115%;font-family:"Arial","sans-serif";color:#006B6E'> <o:p></o:p></span></p></td></tr></table></td><td width=384 valign=top style='width:230.55pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#006B6E'><o:p> </o:p></span></p></td><td width=309 valign=top style='width:185.2pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p></td></tr></thead><tr><td width=778 colspan=3 valign=top style='width:467.05pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#006B6E'><o:p> </o:p></span></p></td></tr><tr><td width=778 colspan=3 style='width:467.05pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#006B6E'><o:p> </o:p></span></p></td></tr><tr><td width=778 colspan=3 style='width:467.05pt;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial","sans-serif";color:#006B6E'><o:p> </o:p></span></p></td></tr></table><p class=MsoNormal><span lang=EN-GB 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"'> ibpsausa-bounces@lists.onebuilding.org [mailto:ibpsausa-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Peter Simmonds<br><b>Sent:</b> Thursday, May 10, 2012 6:10 PM<br><b>To:</b> Shuchita Gupta<br><b>Cc:</b> ibpsausa@lists.onebuilding.org<br><b>Subject:</b> Re: [Ibpsausa] Naturally Ventilated Garment Factory for 90.1 appendix G<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>This is a logical approach, but I do not think the LEED Gestapo will fall for it. Also there is no real interpretation for complying with standard 55 in standard 90.1 other than addendum r which refers to conditioned spaces.<o:p></o:p></p></div><div><p class=MsoNormal>I would suspect that it will be argued that if you are not using the conditioning system for certain periods of the year then the base case should be similarly adjusted.<o:p></o:p></p></div><div><p class=MsoNormal>Nice try though and I would encourage both 90.1 and 55 to get together and work something out regarding the true application of natural ventilation.<br><br>Peter Simmonds, Ph.D., ASHRAE Fellow and DL <o:p></o:p></p><div><p class=MsoNormal>Head of the Advanced Technology Group,<o:p></o:p></p></div><div><p class=MsoNormal>IBE Consulting Engineers,<o:p></o:p></p></div><div><p class=MsoNormal>14130 Riverside drive, suite 201<o:p></o:p></p></div><div><p class=MsoNormal>Sherman Oaks, CA 91423<o:p></o:p></p></div><div><p class=MsoNormal>Tel; 818-305-3246<o:p></o:p></p></div><div><p class=MsoNormal>Mobile: 818-2191284<o:p></o:p></p></div></div><div><p class=MsoNormal style='margin-bottom:12.0pt'><br>On May 9, 2012, at 3:19 PM, "Shuchita Gupta" <<a href="mailto:shuchita@leapsdc.com">shuchita@leapsdc.com</a>> wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Lucida Sans","sans-serif";color:#545454;background:white'>We are looking to certify a garment factory in Dhaka which will not have any conventional HVAC systems. We would like to know if the following approach can be used for attempting LEED Optimize Energy Performance Credits.</span> <o:p></o:p></p><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Lucida Sans","sans-serif";color:#545454'><br><span style='background:white'>Our approach is to first calculate the number of hours of thermal comfort as per ASHRAE- 55 . Then calculate energy costs for Baseline case as air conditioned for all hours and compare it with the proposed case as naturally ventilated for number of hours comfortable plus the cost for air conditioning as per ASHARAE 90.1 (baseline case for HVAC).</span></span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-size:10.5pt;font-family:"Lucida Sans","sans-serif";color:#545454'><br><span style='background:white'>For Eg – Building Runs for 8760 hrs a year and thermal comfort is met by approx 1000hrs. (This will be derived using simulation software).</span><br><span style='background:white'>Baseline Case – Run simulation for 8760 hrs for ASHRAE 90.1 with Base case HVAC system</span><br><span style='background:white'>Proposed Case – Run Simulation for 7760 hrs for ASHRAE 90.1with Base Case HVAC System PLUS Run simulation for 1000 hrs with passive strategies.</span><br><span style='background:white'>So , basically the savings we will achieve will be mostly because of the 1000hrs of non use of air conditioning.</span></span> <span style='font-family:"Georgia","serif"'><br clear=all></span><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><p class=MsoNormal>-- <o:p></o:p></p><div><p class=MsoNormal><img border=0 width=200 height=48 id="_x0000_i1025" src="https://mail.google.com/mail/u/0/?ui=2&ik=9af7ad894b&view=att&th=13243e055cf5163e&attid=0.1&disp=inline&realattid=f_gsa8uyi21&zw"><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";background:white'>Shuchita Gupta | Energy Analyst | LEED AP<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";background:white'>Leap Sustainability Design Consulting<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";background:white'>O - +91 80 4049 4251<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";background:white'><a href="http://www.leapsdc.com/" target="_blank"><span style='color:#074D8F'>www.leapsdc.com</span></a><o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></blockquote><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal>_______________________________________________<br>Ibpsausa mailing list<br><a href="mailto:Ibpsausa@lists.onebuilding.org">Ibpsausa@lists.onebuilding.org</a><br><a href="http://lists.onebuilding.org/listinfo.cgi/ibpsausa-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/ibpsausa-onebuilding.org</a><o:p></o:p></p></div></blockquote></div></body></html>