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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'>Hi All,<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'>From my understanding of ASHRAE 90.1 Appendix G Table G3.1 (10) and the User’s Manual, if a space has no cooling system, and it is a conditioned space (i.e. NOT semiheated), then that space must have a cooling system modeled and it would be identical for the proposed and baseline cases. I completely understand the logic of this requirement – in most cases.<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'>However, I am working on a fire station where the apparatus bay (the fire trucks) are in a 4,000+ sq ft space that is heated only, but is a conditioned space and not a semiheated space. This space is almost half of the building area, will not be cooled, has large overhead doors that are mostly open, and is a place where diesel engines run. <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'>Does anyone out there know of any exception, or interpretation, to this modeling rule for specific cases such as a fire station where a space can be modeled as heated only for the baseline and proposed cases? The model will be submitted for LEED review. I can certainly model a cooling system but it does not seem to make sense in this case.<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'>Thanks for your input and I really appreciate this forum.<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'>Cheers!<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:8.0pt;font-family:"Century Gothic","sans-serif";color:#006E78'>Jeff Ross-Bain, PE, </span></b><span style='font-size:8.0pt;font-family:"Century Gothic","sans-serif";color:#006E78'>L</span><span style='font-size:8.0pt;font-family:"Century Gothic","sans-serif";color:#006E78'>EED AP BD+C</span><span style='font-size:7.5pt;font-family:"Century Gothic","sans-serif";color:#535053'><br>Principal<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Century Gothic","sans-serif";color:#535053'>404-220-8940 Office<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Century Gothic","sans-serif";color:#535053'>404-220-8955 Direct<o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><b><span style='font-size:7.5pt;font-family:"Century Gothic","sans-serif";color:#006E78'><a href="http://www.rbgb.com/">www.rbgb.com</a></span></b><span style='font-size:7.5pt;font-family:"Century Gothic","sans-serif";color:#535053'><br><br></span><span style='font-size:7.5pt;font-family:"Century Gothic","sans-serif";color:#006E78'>Build Green. Save Time<b><o:p></o:p></b></span></p></div></body></html>