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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'>Hi all !<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>I have a tricky question concerning Modeling in LEED that I’m quite sure is a common problem concerning the interpretation of LEED baseline systems definitions. In the paragraph 6.5.6.1 of ASHRAE 90.1-2007. The requirements of use a heat recovering in the baseline system are stated. Normally we should not overpass 2 400 l/s in flow rate and 70% of outside air intake. If we have both statements in our systems the baseline system must not include heat recover. (and since baseline is the building that we are comparing our proposed systems the gap between baseline and proposed are wider).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>In the building which I’m modeled I have the AHU divided by north system and south system (both AHU’s serve offices in all floors). One of the AHU meets the requirements to avoid air recovering in the baseline system, the other doesn’t.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>Since AHU’s of baseline systems are supposed to be modeled by floor I should take heat recover or not?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>For me what I should do is to “merge” both air requirements of both proposed Air handle units and make a ratio by floor, so I can see which floor of my proposed systems meet the requirements and which not… is this correct?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>Thanks of any advice on this.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-family:"Arial","sans-serif"'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><br>David GARCIA-SANCHEZ<o:p></o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-family:"Arial","sans-serif"'><o:p> </o:p></span></p><table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 style='border-collapse:collapse'><tr style='height:39.55pt'><td width=106 style='width:79.8pt;padding:0cm 5.4pt 0cm 5.4pt;height:39.55pt'><p class=MsoNormal><b><span style='mso-fareast-language:FR'><img width=91 height=93 id="Image_x0020_3" src="cid:image001.png@01CDF289.70412010" alt="cid:image001.png@01CD52C2.E1AE1DF0"></span></b><b><span style='font-family:"Arial","sans-serif"'><o:p></o:p></span></b></p></td><td width=394 style='width:295.85pt;padding:0cm 5.4pt 0cm 5.4pt;height:39.55pt'><p class=MsoNormal style='line-height:110%;text-autospace:none'><span style='font-family:"Arial","sans-serif";color:black;mso-fareast-language:FR'>David GARCIA-SANCHEZ</span><span style='font-family:"Arial","sans-serif";color:black'><o:p></o:p></span></p><p class=MsoNormal style='line-height:110%;text-autospace:none'><b><span style='font-size:13.0pt;line-height:110%;font-family:"Arial","sans-serif";color:#8CC63E;letter-spacing:-.4pt;mso-fareast-language:FR'>green</span></b><b><span style='font-size:13.0pt;line-height:110%;font-family:"Arial","sans-serif";color:black;letter-spacing:-.4pt;mso-fareast-language:FR'>affair</span></b><b><span style='font-size:13.0pt;line-height:110%;font-family:"Arial","sans-serif";color:gray;letter-spacing:-.4pt;mso-fareast-language:FR'><o:p></o:p></span></b></p><p class=MsoNormal style='line-height:110%;text-autospace:none'><span style='font-size:8.0pt;line-height:110%;font-family:"Arial","sans-serif";color:#404040;mso-fareast-language:FR'>Tel. +33 (0)1 46 03 08 02<o:p></o:p></span></p><p class=MsoNormal style='line-height:110%;text-autospace:none'><span style='font-size:8.0pt;line-height:110%;font-family:"Arial","sans-serif";color:#404040;mso-fareast-language:FR'>Mobile +33 (0)6 78 15 08 09<o:p></o:p></span></p><p class=MsoNormal style='line-height:110%;text-autospace:none'><span style='font-size:8.0pt;line-height:110%;font-family:"Arial","sans-serif";color:#404040;mso-fareast-language:FR'>102 avenue Edouard Vaillant – 92100 Boulogne-Billancourt<o:p></o:p></span></p><p class=MsoNormal style='line-height:110%;text-autospace:none'><b><span style='font-size:8.0pt;line-height:110%;font-family:"Arial","sans-serif";color:#8CC63E;mso-fareast-language:FR'><a href="http://www.greenaffair.com/"><span style='color:#8CC63E'>www.greenaffair.com</span></a></span></b><b><span style='color:#92D050;mso-fareast-language:FR'> </span></b><b><span style='font-family:"Arial","sans-serif";color:#92D050'><o:p></o:p></span></b></p></td></tr></table><p class=MsoNormal><span style='mso-fareast-language:FR'><o:p> </o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>