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<p class=MsoNormal>ASHRAE 90.1-2004 Appendix G Table G3.1.5(a) for Baseline
Building Performance states that “…the building shall be modeled so
that it does not shade itself.”<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I have a medium high rise. Bottom floor is Retail. Next
three floors are parking garage. Rest of floors are office space. The lowest
floor essentially has a roof that is driven on by automobiles and is shaded by
the parking structure.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>||||||||||<o:p></o:p></p>
<p class=MsoNormal>||||||||||<o:p></o:p></p>
<p class=MsoNormal>||||||||||<o:p></o:p></p>
<p class=MsoNormal>||||||||||<span style='font-family:Wingdings'>ß</span>Office
space (Conditioned)<o:p></o:p></p>
<p class=MsoNormal>||||||||||<o:p></o:p></p>
<p class=MsoNormal>||||||||||<o:p></o:p></p>
<p class=MsoNormal>||||||||||<o:p></o:p></p>
<p class=MsoNormal>|_______|<o:p></o:p></p>
<p class=MsoNormal>|_______|<span style='font-family:Wingdings'>ß</span>Parking
Garage (Unconditioned)<o:p></o:p></p>
<p class=MsoNormal>|_______|<o:p></o:p></p>
<p class=MsoNormal>||||||||||<span style='font-family:Wingdings'>ß</span>Retail
space (Conditioned)<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>For the purpose of performing energy simulation compliant
with ASHRAE 90.1-2004 Appendix G, is my baseline model for the first floor required
to have a roof that is fully exposed to solar gains (i.e. unshaded by the
parking structure?) <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><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:14.0pt;font-family:Cheltenham;
color:#A0002F'> </span><span style='font-size:18.0pt;font-family:Cheltenham;
color:#A0002F'>Dan Russell, EIT <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Cheltenham;
color:#A0002F'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Cheltenham;
color:#A0002F'><img width=200 height=174 id="Picture_x0020_1"
src="cid:image001.jpg@01C90E7B.491ACFF0"
alt="cid:image001.jpg@01C840A4.E711B250"></span><o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
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