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<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Hi,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>I have a question in regards to the interpretation of
the ASHRAE 90.1 article 6.3.6 (obligation to install a 50% energy efficiency recovery
system on the 100% fresh air system).<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>I work on a project where a laboratory (without
hoods) requires a 100% fresh air system (25 000 cfm) to ventilate the
organic waste contained in the air (animal autopsy laboratories). No cross
contamination is acceptable for the purpose of the laboratory.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>We are planning to install a run around coil to
recovery the exhaust air energy but as I understand the ASHRAE 90.1 standard,
this installation is an obligation and it is not considered as a
“credit” in our intention to over perform the energy efficiency
performance of the building for the LEED process.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Here is my comprehension of the article and please,
help me to clarify my thought.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<ol style='margin-top:0cm' start=1 type=1>
 <li class=MsoNormal style='mso-list:l0 level1 lfo3'><font size=2 face=Arial><span
     lang=EN-CA style='font-size:10.0pt;font-family:Arial'>In respect to
     6.3.6.1, 100% fresh air system needs 50% recovery effectiveness.<o:p></o:p></span></font></li>
 <li class=MsoNormal style='mso-list:l0 level1 lfo3'><font size=2 face=Arial><span
     lang=EN-CA style='font-size:10.0pt;font-family:Arial'>The laboratory has
     no hood, so the exception 6.3.7.2 is not valid for our project.<o:p></o:p></span></font></li>
 <li class=MsoNormal style='mso-list:l0 level1 lfo3'><font size=2 face=Arial><span
     lang=EN-CA style='font-size:10.0pt;font-family:Arial'>The system does not
     exhausting toxic, flammable, paint or corrosive fumes or dust, so the
     exception 6.3.6.1.c) is not valid for our project.<o:p></o:p></span></font></li>
 <li class=MsoNormal style='mso-list:l0 level1 lfo3'><font size=2 face=Arial><span
     lang=EN-CA style='font-size:10.0pt;font-family:Arial'>All the supply air
     is admitted by one single fan and the entire air is exhausted by a single
     fan, so the exception 6.3.6.1.h) is not valid for our project.<o:p></o:p></span></font></li>
 <li class=MsoNormal style='mso-list:l0 level1 lfo3'><font size=2 face=Arial><span
     lang=EN-CA style='font-size:10.0pt;font-family:Arial'>All others
     exceptions in regards climate and design conditions are not valid for our
     project.<o:p></o:p></span></font></li>
</ol>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Does someone have already work on a LEED project with
this kind of situation with laboratories?<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Does organic waste in the air could be considered as
“toxic” and then meet the exception 6.3.6.1.c) ?<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Instead of exhausting the air by one single fan we
install two fans, does the exception 6.3.6.1.h) will be met?<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Do you know any new technology for energy recovery
without cross contamination with efficiency better than 50% ?<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Thank you for your help.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'>Best regards.<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face=Arial><span lang=EN-CA style='font-size:
10.0pt;font-family:Arial'><o:p> </o:p></span></font></p>

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<div class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>

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<p class=MsoNormal><st1:PersonName ProductID="Hugues Boivin" w:st="on"><b><font
 size=3 color="#333333" face=Arial><span style='font-size:12.0pt;font-family:
 Arial;color:#333333;font-weight:bold'>Hugues Boivin</span></font></b></st1:PersonName><b><font
size=1 color=black face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:black;font-weight:bold'>, ing., M.Sc.</span></font></b><b><font
face=Arial><span style='font-family:Arial;font-weight:bold'><br>
</span></font></b><font size=2 color="#666666" face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:#666666'>Ingénieur mécanique<o:p></o:p></span></font></p>

<p><b><font size=2 color="#333333" face=Arial><span style='font-size:10.0pt;
font-family:Arial;color:#333333;font-weight:bold'>CIMA+ </span></font></b><b><font
size=1 color="#333333" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#333333;font-weight:bold'>s.e.n.c.</span></font></b><font
face=Arial><span style='font-family:Arial'><br>
</span></font><font size=1 color="#666666" face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:#666666'>1145, boul. Lebourgneuf # 300<br>
Québec (Québec)<br>
Canada G2K 2K8 <br>
<br>
</span></font><font size=1 color="#333333" face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:#333333'>T:</span></font><font size=1
color="#666666" face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:#666666'> (418) </span></font><font size=1 color="#333333" face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:#333333'>623-3373</span></font><font
size=1 color="#666666" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#666666'> ext. 144<br>
</span></font><font size=1 color="#333333" face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:#333333'>F:</span></font><font size=1
color="#666666" face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:#666666'> (418) </span></font><font size=1 color="#333333" face=Arial><span
style='font-size:7.5pt;font-family:Arial;color:#333333'>623-3321</span></font><font
size=1 color="#666666" face=Arial><span style='font-size:7.5pt;font-family:
Arial;color:#666666'> <br>
</span></font><font size=1 color="#333333" face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:#333333'>C: </span></font><font size=1
color="#666666" face=Arial><span style='font-size:7.5pt;font-family:Arial;
color:#666666'><a href="mailto:hugues.boivin@cima.ca%20">hugues.boivin@cima.ca </a></span></font><o:p></o:p></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>

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