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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Hello Alan Jackson,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;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:
10.0pt;font-family:Arial;color:navy'>Can you please tell me, from which part of
ASHRAE 62.1-2004 I need to consider Ventilation Rates?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;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:
10.0pt;font-family:Arial;color:navy'>Also LEED will accept default ventilation
rate values?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Thanks & Regards,</span></font><font
color=navy><span style='color:navy'> <o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black;font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black;font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black;font-weight:bold'>Ashraf
Ali Khan, LEED AP</span></font><font color=black><span style='color:black'><o:p></o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black;font-weight:bold'>Energy
Engineer</span></font><font color=black><span style='color:black'><o:p></o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 color=black face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:black;font-weight:bold'>MECSD -
</span></font></b><b><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial;font-weight:bold'><ns13:City w:insAuthor="ashraf"
w:insDate="2009-04-18T08:11:00Z" w:endInsAuthor="ashraf"
w:endInsDate="2009-04-18T08:11:00Z"><ns13:place w:insAuthor="ashraf"
w:insDate="2009-04-18T08:11:00Z" w:endInsAuthor="ashraf"
w:endInsDate="2009-04-18T08:11:00Z"><st1:City w:st="on"><st1:place w:st="on"><font
color=black><span style='color:black'>Dubai</span></font></st1:place></st1:City></ns13:place></ns13:City></span></font><font
color=black><span style='color:black'><o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=2 color=navy face=Calibri><span style='font-size:
11.0pt;color:navy'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=5 color=green face=Webdings><span
style='font-size:18.0pt;font-family:Webdings;color:green'>P</span></font><font
size=2 color=green face=Webdings><span style='font-size:10.0pt;font-family:
Webdings;color:green'> </span></font><font size=2 color=green face=Verdana><span
style='font-size:10.0pt;font-family:Verdana;color:green'>Please consider the
environment before printing this email</span></font><o:p></o:p></p>
</div>
<div>
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face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'>
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<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'> Alan Jackson
[mailto:Alan.Jackson@burohappold.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, April 16, 2009
1:00 AM<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> Re: [Bldg-sim] 62.1 Net
Occupiable Area</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Gregg<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;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:
10.0pt;font-family:Arial;color:navy'>There is usually a determination that
needs to be made between inactive storage rooms and active storage rooms. You
are correct in that if a storage room is not intended to be occupied by
definition than it does not require OA. Important also is often small storage
rooms may contain noxious chemicals for cleaning that fall under completely
different criteria.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;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:
10.0pt;font-family:Arial;color:navy'>However, with regards to 62.1, the
calculation allows rooms that are not in any way critical spaces (high Evz) to
be removed. I would imagine that if you do decide to provide ventilation to an
inactive storage room it would not be considered your critical space, and
therefore is irrelevant to the calculation. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<div>
<div>
<p class=MsoNormal><b><font size=1 color=navy face=Arial><span
style='font-size:8.0pt;font-family:Arial;color:navy;font-weight:bold'>Alan
Jackson, LEED® A.P. <o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span style='font-size:
8.0pt;font-family:Arial;color:navy'>Senior Mechanical Engineer<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=navy face=Arial><span style='font-size:
8.0pt;font-family:Arial;color:navy'>Buro Happold Consulting Engineers, PC</span></font><font
size=1 face=Arial><span style='font-size:8.0pt;font-family:Arial'><o:p></o:p></span></font></p>
</div>
</div>
<div>
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face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'>
<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'>
bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Gregg Liddick<br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, April 09, 2009
9:46 AM<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] 62.1 Net
Occupiable Area</span></font><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-family:"Times New Roman"'><o:p></o:p></span></font></p>
</div>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'>I was determining flow rates for a
building when I ran across this conundrum concerning outdoor air requirements
in storage rooms. Hopefully someone can help me out.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'>Vbz=RpPz + RaAz<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'>Where Az is the “<i><span
style='font-style:italic'>zone floor area</span></i>: the <u>net occupiable
floor area</u> of the zone” and Ra is the “outdoor airflow rate
required per unit area as determined from Table 6-1”. Mechanical
rooms have a value for Ra listed in Table 6.1. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'>However, <u>occupiable space</u> is
defined under “Definitions” as “an enclosed space intended
for human activities, excluding those spaces intended primarily for other
purposes, such as storage rooms and equipment rooms, that are only occupied
occasionally and for short periods of time”.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'>Does this mean that there are no outdoor
air flow requirements for storage rooms? If so, why is there a value
listed for the outdoor airflow rate required per unit area?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'>Thanks,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt;font-family:"Times New Roman"'>Gregg Liddick<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman"'><o:p> </o:p></span></font></p>
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