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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:navy'>Hello James,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:navy'>I accept that ASHRAE 62.1 is concerned
with people, the same we explained to LEED Reviewer team, this is the comment
we received, <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='text-align:justify'><i><font size=3 face=Arial><span
style='font-size:12.0pt;font-family:Arial;font-style:italic'>However, since the
project uses ventilator fans it is considered a mechanically ventilated space.
Additionally, the LEED-NC v2.2 IEQp1 CIR ruling dated 10/8/2008 states that
unless the mechanically ventilated warehouse has no human occupancy except for
maintenance and repairs it must meet the requirements of ASHRAE Standard
62.1-2004. The narrative states that the warehouse will be occupied for the
loading and unloading of goods; therefore, the warehouse is regularly occupied.
<o:p></o:p></span></font></i></p>
<p class=MsoNormal style='text-align:justify'><i><font size=3 face=Arial><span
style='font-size:12.0pt;font-family:Arial;font-style:italic'>Provide
calculations for the warehouse space demonstrating that the space complies with
the minimum requirements of ASHRAE Standard 62.1-2004.<o:p></o:p></span></font></i></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:navy'>I am not having any idea how to convince
the team.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:navy'>Thanks & Regards,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
11.0pt;font-family:Arial;color:navy'>Ashraf<o:p></o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>
<hr size=2 width="100%" align=center tabindex=-1>
</span></font></div>
<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> James V Dirkes
II, PE [mailto:jvd2pe@tds.net] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, January 26, 2011
3:46 PM<br>
<b><span style='font-weight:bold'>To:</span></b> 'Ashraf Khan';
bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [Bldg-sim] Warehouse
ventilations to comply with ASHRAE 62.1</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'>Ashraf,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'>ASHRAE 62.1 is
concerned with people, who need ventilation (supply / intake). For
typical buildings, you may not need separate exhaust fans, because that amount
can probably exfiltrate through cracks. Supply and exhaust fans can be
used in tandem if the building is fairly tight (no leaks).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'>Your MEP
team’s 5-8 air changes per hour is for cooling, not
ventilation. Any building with which has that much infiltration is closer
to a tent than a building! (It’s not closed up.)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal align=center style='text-align:center'><b><font size=4
color="#1f497d" face="Times New Roman"><span style='font-size:13.5pt;
color:#1F497D;font-weight:bold'>The Building Performance Team<br>
</span></font><font color="#1f497d"><span style='color:#1F497D'>James V. Dirkes
II, P.E., LEED AP<br>
</span></font></b><st1:Street w:st="on"><st1:address w:st="on"><font
color="#1f497d"><span style='color:#1F497D'>1631 Acacia Drive NW</span></font></st1:address></st1:Street><br>
<st1:place w:st="on"><st1:City w:st="on"><font color="#1f497d"><span
style='color:#1F497D'>Grand Rapids</span></font></st1:City><font
color="#1f497d"><span style='color:#1F497D'>, <st1:State w:st="on">MI</st1:State>
<st1:PostalCode w:st="on">49504</st1:PostalCode></span></font></st1:place><br>
<font color="#1f497d"><span style='color:#1F497D'>616 450 8653<o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0pt 0pt 0pt'>
<p class=MsoNormal style='margin-left:36.0pt'><b><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma;font-weight:bold'>From:</span></font></b><font
size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Ashraf Khan<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, January 25, 2011
11:55 PM<br>
<b><span style='font-weight:bold'>To:</span></b> bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Bldg-sim] Warehouse
ventilations to comply with ASHRAE 62.1<o:p></o:p></span></font></p>
</div>
</div>
<p class=MsoNormal style='margin-left:36.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:11.0pt;font-family:Arial;color:navy'>We
received a LEED review comment regarding Warehouse ventilation to comply with
ASHRAE 62.1-2004.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:11.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:11.0pt;font-family:Arial;color:navy'>Generally
depending on the warehouse storage, MEP team recommends 5-8 Air Changes per
Hour by thumb rule for exhaust and air intake is assumed by infiltration by
windows, open doors etc.. But this number I haven’t find in ASHRAE,
please give me reference.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:11.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:11.0pt;font-family:Arial;color:navy'>ASHRAE
62.1-2004, Table 6-1 for warehouse category says to have 0.06 cfm/ft<sup>2</sup>,
is this number defines to intake or Exhaust? If it is exhaust, it is too small
as volume of warehouse will be high.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:11.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:11.0pt;font-family:Arial;color:navy'>Please
share your ideas to comply with the requirements.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:11.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:11.0pt;font-family:Arial;color:navy'>Thanks
& Regards,<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=navy
face=Arial><span style='font-size:11.0pt;font-family:Arial;color:navy'>Ashraf<o:p></o:p></span></font></p>
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