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<div class=Section1>
<p class=MsoNormal><span style='color:#1F497D'>90.1-2007 says “or”,
so I suspect that’s the updated / corrected understanding. (Makes
more sense, too.)<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal align=center style='text-align:center'><b><span
style='font-size:13.5pt;font-family:"Times New Roman","serif";color:#1F497D'>The
Building Performance Team<br>
</span></b><b><span style='font-size:12.0pt;font-family:"Times New Roman","serif";
color:#1F497D'>James V. Dirkes II, P.E., LEED AP<br>
</span></b><span style='font-size:12.0pt;font-family:"Times New Roman","serif";
color:#1F497D'>1631 Acacia Drive NW<br>
Grand Rapids, MI 49504<br>
616 450 8653<o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>James
Hansen<br>
<b>Sent:</b> Wednesday, March 10, 2010 2:39 PM<br>
<b>To:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] thoughts on App G system type for mixed use
building<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'>I
can’t find an addenda on this, but which publication is correct for
defining the baseline system of a non-residential building less than 3 stories?<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'>The
base 90.1-2004 document says that if the building is 3-stories or less AND <
75,000 sq ft, System 3 and 4 are to be used.<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'>The
User’s Manual, on the other hand, says “For smaller non-residential
buildings that are less than 75,000 ft2 (any height) OR less than three stories
(any area)”…the baseline system is PSZ (System 3 or 4)<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'>Which
is correct?<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal style='margin-left:.5in'><b><span style='font-family:"Arial","sans-serif";
color:teal'>GHT Limited<br>
</span></b><b><span style='font-family:"Arial","sans-serif"'><ns0:PersonName><span
style='color:black'>James Hansen</span></ns0:PersonName></span><span
style='color:black'>, PE, LEED AP<o:p></o:p></span></b></p>
<p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:black'>Senior Associate</span><span
style='color:black'><o:p></o:p></span></b></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif"'><ns0:Street><ns0:address><span
style='color:black'>1010 N. Glebe Rd, Suite 200</span></ns0:address></ns0:Street></span><span
style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif"'><ns0:place><ns0:City><span style='color:black'>Arlington</span></ns0:City><span
style='color:black'>, </span><ns0:State><span style='color:black'>VA</span></ns0:State><span
style='color:black'> </span><ns0:PostalCode><span style='color:black'>22201-4749</span></ns0:PostalCode></ns0:place></span><span
style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif";color:black'>703-338-5754 (Cell)</span><span
style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif";color:black'>703-243-1200 (Office)</span><span
style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif";color:black'>703-276-1376 (Fax)</span><span
style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif";
color:teal'><a href="http://www.ghtltd.com/"><span style='font-size:10.0pt'>www.ghtltd.com</span></a><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><b><span style='color:#31849B'><o:p> </o:p></span></b></p>
</div>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> James Hansen <br>
<b>Sent:</b> Wednesday, March 10, 2010 12:45 PM<br>
<b>To:</b> 'Gregg Liddick'; bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> RE: thoughts on App G system type for mixed use building<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'>Thanks
Greg, but based on the heating density, I can’t classify these as
semi-heated.<o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal style='margin-left:.5in'><b><span style='font-family:"Arial","sans-serif";
color:teal'>GHT Limited<br>
</span></b><b><span style='font-family:"Arial","sans-serif"'><ns0:PersonName><span
style='color:black'>James Hansen</span></ns0:PersonName></span><span
style='color:black'>, PE, LEED AP<o:p></o:p></span></b></p>
<p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:black'>Senior Associate</span><span
style='color:black'><o:p></o:p></span></b></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif"'><ns0:Street><ns0:address><span
style='color:black'>1010 N. Glebe Rd, Suite 200</span></ns0:address></ns0:Street></span><span
style='color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif"'><ns0:place><ns0:City><span style='color:black'>Arlington</span></ns0:City><span
style='color:black'>, </span><ns0:State><span style='color:black'>VA</span></ns0:State><span
style='color:black'> </span><ns0:PostalCode><span style='color:black'>22201-4749</span></ns0:PostalCode></ns0:place></span><span
style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif";color:black'>703-338-5754 (Cell)</span><span
style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif";color:black'>703-243-1200 (Office)</span><span
style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif";color:black'>703-276-1376 (Fax)</span><span
style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif";
color:teal'><a href="http://www.ghtltd.com/"><span style='font-size:10.0pt'>www.ghtltd.com</span></a><o:p></o:p></span></p>
<p class=MsoNormal style='margin-left:.5in'><b><span style='color:#31849B'><o:p> </o:p></span></b></p>
</div>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> Gregg Liddick
[mailto:gliddick@theepstengroup.com] <br>
<b>Sent:</b> Wednesday, March 10, 2010 11:21 AM<br>
<b>To:</b> James Hansen; bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> RE: thoughts on App G system type for mixed use building<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'>Hi
James,</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'>It
sounds like the storage and workshop area may be semi-heated as defined by
Section 3. I’d recommend looking into that. If the spaces are
semi-heated then they should be modeled only with heating in the baseline case
and the requirements of Table G3.1.10 don’t apply. It’s also
worth noting that if the spaces are semi-heated they should be modeled with
different envelope values in the baseline case (based on the semi-heated in
Table 5.5).</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'>Best
Regards,</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Times New Roman","serif";
color:black'>Gregg Liddick, EIT, LEED<sup>®</sup> AP</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:black'> </span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Times New Roman","serif";color:black'>The Epsten Group, Inc.</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Times New Roman","serif";color:black'>429 Edgewood Avenue</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Times New Roman","serif";color:black'>Atlanta GA 30312</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Times New Roman","serif";color:black'>Phone: 404-577-0370
ext. 102</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Times New Roman","serif";color:black'>Fax: 404-577-1739</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Times New Roman","serif";color:black'><a
href="http://www.theepstengroup.com"><span style='color:black'>www.theepstengroup.com</span></a></span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Times New Roman","serif";color:#00B050'>Please consider the
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<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'> </span><o:p></o:p></p>
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<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='color:#1F497D'> </span><o:p></o:p></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>James
Hansen<br>
<b>Sent:</b> Wednesday, March 10, 2010 11:02 AM<br>
<b>To:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> [Bldg-sim] thoughts on App G system type for mixed use building</span><o:p></o:p></p>
</div>
</div>
<p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'>I’ve got a 92,000 square foot
Industrial building that I am modeling. If you went by Table G3.1.1A, the
baseline system type would be System 5 – Packaged VAV with reheat.<o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'>However, of the 92,000 square feet,
approximately 16,000 sq ft is conditioned to standard 75/72 degrees, while the
remainder is a mixture of storage, manufacturing, etc, and is heated to 55 and
cooled to 120 (no actual cooling in proposed model, but you’ve got to
insert some sort of cooling system per App G).<o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'>So I really have 16,000 sq ft that
is fully conditioned, and 76,000 sq ft that is only partially conditioned (ie
the peak thermal load differs by 10 Btu/h-ft2). <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'>Any guesses how I configure this?<o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'>Do I have a packaged VAV system for
the 76,000 sq ft of shop/storage and isolate the 16,000 ft2 of real conditioned
space as system 3 per the Exception to G3.1.1? <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'>Or do I have a packaged VAV system
for the 16,000 ft conditioned space and isolate the 76,000 sq ft as system 3?<o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'>To further complicate things, since
the 76,000 sq ft is split between storage and manufacturing, where there is
theoretically an operating schedule that differs by 40 hours or more a week
between these two different use types, do I actually just end up with ALL
system 3 even though the total net building area is above the 75,000 sq ft
cutoff where we’re supposed to go to System 5?<o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'>I’m confused! Any help
would be appreciated.<o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><b><u>To recap:</u></b><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><b>16,000 sq ft office,
heated/cooled to 72/75</b><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><b>30,000 sq ft of storage with
basically no operating hours per week, heated/cooled to 50/120</b><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><b>36,000 sq ft of manufacturing /
workshop area that is used approximately 50 hrs a week, heated/cooled to 50/120</b><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><b> </b><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><b>Mixture of System 3 and System
5, or ALL system 3?</b><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><b><span style='font-family:"Arial","sans-serif";
color:teal'>GHT Limited<br>
</span></b><b><span style='font-family:"Arial","sans-serif";color:black'>James
Hansen</span><span style='color:black'>, PE, LEED AP</span></b><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:black'>Senior Associate</span></b><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif";color:black'>1010 N. Glebe Rd, Suite 200</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif";color:black'>Arlington, VA 22201-4749</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif";color:black'>703-338-5754 (Cell)</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif";color:black'>703-243-1200 (Office)</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:7.5pt;
font-family:"Arial","sans-serif";color:black'>703-276-1376 (Fax)</span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><span style='font-family:"Arial","sans-serif";
color:teal'><a href="http://www.ghtltd.com/"><span style='font-size:10.0pt'>www.ghtltd.com</span></a></span><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'><b><span style='color:#31849B'> </span></b><o:p></o:p></p>
<p class=MsoNormal style='margin-left:.5in'> <o:p></o:p></p>
<div class=MsoNormal align=center style='margin-left:.5in;text-align:center'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:blue'>
<hr size=2 width="100%" align=center>
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<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:black'>The information contained in this
communication is confidential, may be privileged, and is intended only for the
use of the addressee. It is the property of GHT Limited.
Unauthorized use, disclosure or copying of this communication or any part
thereof is strictly prohibited and may be unlawful. If you have received
this communication in error, please notify me immediately by return e-mail or
by e-mail to </span><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:black'><a href="mailto:ght@ghtltd.com"><span style='font-family:"Arial","sans-serif"'>ght@ghtltd.com</span></a></span><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>, and
destroy this communication and all copies thereof, including all
attachments. Thank you.</span><o:p></o:p></p>
<div class=MsoNormal align=center style='margin-left:.5in;text-align:center'><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:blue'>
<hr size=2 width="100%" align=center>
</span></div>
<p class=MsoNormal style='margin-left:.5in'><span style='font-size:10.0pt;
font-family:"Arial","sans-serif";color:black'>The information contained in this
communication is confidential, may be privileged, and is intended only for the
use of the addressee. It is the property of GHT Limited.
Unauthorized use, disclosure or copying of this communication or any part
thereof is strictly prohibited and may be unlawful. If you have received
this communication in error, please notify me immediately by return e-mail or
by e-mail to </span><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:black'><a href="mailto:ght@ghtltd.com"><span style='font-family:"Arial","sans-serif"'>ght@ghtltd.com</span></a></span><span
style='font-size:10.0pt;font-family:"Arial","sans-serif";color:black'>, and
destroy this communication and all copies thereof, including all
attachments. Thank you.</span><span style='font-size:10.0pt;font-family:
"Times New Roman","serif";color:blue'><o:p></o:p></span></p>
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