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<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">This is my first project using ASHRAE 90.1 2016 and I’m finding some odd instructions in Appendix G.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">A couple examples-<o:p></o:p></p>
<ul style="margin-top:0in" type="disc">
<li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">Table G3.1 says that the baseline case is to use table G3.7 to define space by space LPD, but the proposed has to comply with section 9.1.3. There’s a big difference between maximum
allowed LPD between the two tables, for example G3.7 calls for open Office areas at 1.1 W/sf but table 9.6.1 says 0.81 W/sf.
<o:p></o:p></li><li class="MsoListParagraph" style="margin-left:0in;mso-list:l1 level1 lfo3">Baseline Wall insulation for climate zone 5b, per table G3.1 and G3.4-5 is to be simulated at a U value of 0.084. The proposed case must be under 0.055 per table 5.5-5.
<o:p></o:p></li></ul>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Appendix G now has tables for envelope properties, equipment efficiencies and lighting power densities which all conflict with what we’re used to finding in sections 5, 6 and 9 in previous iterations of the standard. Reading table G3.1
it seems clear that they want us to use the appendix G tables to define the baseline and not the tables in the main sections, but this makes no sense to me.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I feel like I’m taking crazy pills…can anyone shine some light on this?
<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-size:8.5pt;font-family:"Arial",sans-serif;color:black"><img width="125" height="54" style="width:1.302in;height:.5625in" id="_x0000_i1025" src="http://www.tbcxinc.com/TBCx_Logo_Email1000ppi.png" alt="TBCx"></span><span style="font-size:8.5pt;font-family:"Arial",sans-serif;color:black"><br>
<br>
<b>Matt Garlick, CxA, CEM, BEMP</b><br>
Building Efficiency Engineer | TBCx<br>
<br>
E-mail: <a href="mailto:msg@tbcxinc.com">msg@tbcxinc.com</a><br>
Mobile: 801-907-5654<br>
Direct: 801-401-8456<br>
<br>
324 S. State Street, Suite 400<br>
Salt Lake City, UT 84111<br>
<a href="http://tbcxinc.com/"><span style="color:blue">www.tbcxinc.com</span></a></span><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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