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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>USGBC also has provided some guidance on the appropriate baseline
system for large laboratories via a few CIRs. Specifically LEED-NC CIR
rulings dated on:<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'>2/27/2007 <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'>8/13/2007<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'><o:p> </o:p></span></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>David Reddy<o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>Madison Engineering, PS<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>444 NE Ravenna Blvd, Suite 406<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>Seattle, WA 98115<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>office: 206-834-0002<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Tahoma","sans-serif";
color:#1F497D'>direct: 206-829-8622<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'><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>
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<p class=MsoNormal><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>Vikram Sami<br>
<b>Sent:</b> Wednesday, June 17, 2009 2:23 PM<br>
<b>To:</b> Bldg-Sim<br>
<b>Subject:</b> [Bldg-sim] Appendix G Zoning<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p><b><span style='font-family:"Arial","sans-serif"'>Exceptions to G3.1.1:</span></b><o:p></o:p></p>
<p> <span style='font-family:"Arial","sans-serif"'>(c) If the baseline
HVAC system type is 5, 6, 7, or 8, use separate</span><o:p></o:p></p>
<p><span style='font-family:"Arial","sans-serif"'>single-zone systems
conforming with the requirements</span><o:p></o:p></p>
<p><span style='font-family:"Arial","sans-serif"'>of System 3 or System 4
(depending on building</span><o:p></o:p></p>
<p><span style='font-family:"Arial","sans-serif"'>heat source) for any zones
having special pressurization</span><o:p></o:p></p>
<p><span style='font-family:"Arial","sans-serif"'>relationships,
cross-contamination requirements, or code</span> <span style='font-family:"Arial","sans-serif"'>required</span><o:p></o:p></p>
<p><span style='font-family:"Arial","sans-serif"'>minimum circulation rates.</span><o:p></o:p></p>
<p><span style='font-family:"Arial","sans-serif"'>I’m modeling a building
that has baseline system 7.</span> <span style='font-family:"Arial","sans-serif"'>If
I read this correctly then all lab spaces will</span> <span style='font-family:
"Arial","sans-serif"'>have their own system and that system will conform to</span>
<span style='font-family:"Arial","sans-serif"'>system 3 from table
g3.1.1A. Is that correct? If so</span> <span style='font-family:"Arial","sans-serif"'>–</span>
<span style='font-family:"Arial","sans-serif"'>are all of my lab spaces going
to be packaged single zone units? That doesn’t seem right</span> <span
style='font-family:"Arial","sans-serif"'>–</span> <span style='font-family:
"Arial","sans-serif"'>especially since lab spaces are more than 50% of the
building area in this case. </span><o:p></o:p></p>
<p><span style='font-family:"Arial","sans-serif"'>I’d appreciate
anyone’s help with this.</span><o:p></o:p></p>
<p><span style='font-family:"Arial","sans-serif"'>Thanks</span><o:p></o:p></p>
<p><b><span style='font-family:"Garamond","serif";color:black'>Vikram Sami,</span></b>
<span style='font-family:"Garamond","serif";color:black'>LEED AP</span><br>
<span style='font-family:"Garamond","serif";color:black'>Direct Phone
404-253-1466 | Direct Fax 404-253-1366</span> <o:p></o:p></p>
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