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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-CA">Trying to figure out the minimal insulation required following Table 5.5.6 of ASHRAE 90.1-2007 for a fully underground space? (roof, slab, walls)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA">Our project includes an underground occupied spaces joining an existing building. The top of the concrete slab (roof) is always deeper than 2 feet below final grade.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA">Following MNECB (Canada) and EE4 modeling guidelines, the roof could be counted as a Below-grade wall but it’s not as clear in ASHRAE 90.1.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA">Anyone has some input on this?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA">Thanks all!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;margin-bottom:12.0pt"><b><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:FR-CA">GUILLAUME MARTEL
</span></b><span style="font-size:5.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:FR-CA"><br>
<br>
</span><span style="font-size:7.0pt;font-family:"Arial","sans-serif";color:black;mso-fareast-language:FR-CA">SUSTAINABILITY COORDINATION<br>
M.ARCH, PA LEED BD+C<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:5.0pt;font-family:"Arial","sans-serif";mso-fareast-language:FR-CA"> </span><o:p></o:p></p>
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