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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'>I would add a nuance to your conclusion
Chris: ... “</span></font><font size=2 color=blue face=Arial><span
style='font-size:10.0pt;font-family:Arial;color:blue'>Therefore
complying with ASHRAE 90.1-2004 is <u>one way of</u> complying with IECC
2006.“<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'><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'>The two publications do have their
differences (notably with regard to certain lighting controls and 90.1’s
space-by-space LPD table) that may make one preferable over the other if and
when you have the choice. <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'>Here are a few differences that are fresh
in my mind:<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>-<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>A strict
reading of IECC 2006 requires manual control in all spaces, with exceptions to
corridors and security concerns. 90.1-2004 however offers the flexibility
to use just automatic controls (like a ceiling occupancy sensor) in some spaces
if manual control is not desired. <o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>-<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>The two
publications also diverge in regard to additional controls required should you
decide to have the interior lighting automatically shut off via timeclock.<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:.5in;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><font
size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:navy'><span style='mso-list:Ignore'>-<font size=1 face="Times New Roman"><span
style='font:7.0pt "Times New Roman"'>
</span></font></span></span></font><![endif]><font size=2 color=navy
face=Arial><span style='font-size:10.0pt;font-family:Arial;color:navy'>90.1-2004
has a lengthier list of situations where lighting may be exempted when totaling
the interior lighting power. Some are significant depending on your
project (i.e. “Casino Gaming Areas”)!<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'>The two are “roughly equivalent”
in the sense that they have roughly equal degrees of stringency, but if the
systems’ designer is given the choice the best answer would be to become
familiar with both to ensure you’re using the most appropriate standard
during design. COMcheck may be a useful tool mid-design to quickly
generate two reports under the two standards to identify some of the
differences, though I would caution that it may not pick up all the
subtleties...<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'>~Nick<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>
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style='font-size:12.0pt;font-family:"Stylus BT";color:#2D4D5E;font-weight:bold'>NICK
CATON, E.I.T.<o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=1 color="#cc9900" face="Times New Roman"><span
style='font-size:7.5pt;color:#CC9900'>PROJECT ENGINEER<o:p></o:p></span></font></p>
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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'>
bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Chris Baker<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, July 08, 2009
10:24 AM<br>
<b><span style='font-weight:bold'>To:</span></b> Keith Swartz; <b><span
style='font-weight:bold'>Subject:</span></b> Re: [Bldg-sim] 2006 IECC vs.
ASHRAE 90.1-2004</span></font><o:p></o:p></p>
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<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=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>IECC 2006's Section 501.1Scope states </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>"...commercial buildings shall meet
either the requirements of ASHRAE/IESNA Standard 90.1, <em><i><font face=Arial><span
style='font-family:Arial'>Energy Standard for Buildings Except for Low-Rise
Residential Buildings,</span></font></i></em> or the requirements contained in
this chapter."</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>
<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Therefore complying with ASHRAE
90.1-2004 is complying with IECC 2006. </span></font><o:p></o:p></p>
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<p style='mso-element:frame'><font size=2 face=Arial><span style='font-size:
10.0pt;font-family:Arial'>Chris Baker, AIA, EIT, LEED<sup>®</sup> AP,</span></font><o:p></o:p></p>
</td>
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<p style='mso-element:frame'><font size=3 face="BankGothic Md BT"><span
style='font-size:12.0pt;font-family:"BankGothic Md BT"'>THE WEIDT GROUP<sup>®</sup></span></font><font
face=Arial><span style='font-family:Arial'><br>
<img border=0 width=35 height=55 id="_x0000_i1025"
src="cid:image001.gif@01C9FFC2.22096870"><o:p></o:p></span></font></p>
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<p style='mso-element:frame'><st1:Street w:st="on"><st1:address w:st="on"><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>5800 Baker Road</span></font></st1:address></st1:Street><br>
<st1:place w:st="on"><st1:City w:st="on"><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Minnetonka</span></font></st1:City><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>, <st1:State
w:st="on">MN</st1:State> <st1:PostalCode w:st="on">55345</st1:PostalCode></span></font></st1:place><br>
<font size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>T
952.938.1588<br>
F 952.938.1480<br>
<a href="http://twgi.com/"><font color=black><span style='color:black'>twgi.com</span></font></a></span></font><o:p></o:p></p>
<p style='mso-element:frame'><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><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>Keith Swartz<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, July 07, 2009 4:02
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] 2006 IECC vs.
ASHRAE 90.1-2004</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hello, all,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Does anyone know of a study that has compared the
equivalency of the 2006 edition of the International Energy Conservation Code
(IECC) compared to ASHRAE Standard 90.1-2004? It <b><i><span style='font-weight:
bold;font-style:italic'>seems</span></i></b> to me that they are roughly
equivalent…The State of Wisconsin allows either one to show compliance
with its energy code. Is there something credible I can refer to that states
that they are essentially equivalent? An admittedly quick search I did came up
with only some lighting comparisons.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>_____________________</span></font><o:p></o:p></p>
<p class=MsoNormal><st1:PersonName w:st="on"><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>Keith Swartz</span></font></st1:PersonName><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'>, P.E., LEED
AP<br>
Energy Engineer / Senior Project Manager<br>
<st1:PlaceName w:st="on">Energy</st1:PlaceName> <st1:PlaceType w:st="on">Center</st1:PlaceType>
of <st1:State w:st="on"><st1:place w:st="on"><st1:State w:st="on">Wisconsin</st1:State></st1:place><br>
</st1:State><st1:Street w:st="on"><st1:address w:st="on"><st1:Street w:st="on"><st1:address
w:st="on">455 Science Drive, Suite 200</st1:address></st1:Street><br>
</st1:address></st1:Street><st1:place w:st="on"><st1:City w:st="on">Madison</st1:City>,
<st1:State w:st="on">WI</st1:State> <st1:PostalCode w:st="on">53711</st1:PostalCode></st1:place><br>
Phone: 608.238.8276 x123<br>
Fax: 608.238.0523<br>
Email: <a href="mailto:kswartz@ecw.org">kswartz@ecw.org</a><br>
Web: <a href="http://www.ecw.org" title="http://www.ecw.org/">www.ecw.org</a><br>
<br>
<st1:place w:st="on"><st1:PlaceName w:st="on"><b><span style='font-weight:bold'>Energy</span></b></st1:PlaceName><b><span
style='font-weight:bold'> <st1:PlaceType w:st="on">Center</st1:PlaceType> <st1:PlaceType
w:st="on">University</st1:PlaceType></span></b></st1:place><br>
<i><span style='font-style:italic'>Your gateway to sustainable design training
and online education programs.<br>
</span></i></span></font><a href="http://www.ecw.org/university/"
title="http://www.ecw.org/university/"><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'><span
title="http://www.ecw.org/university/">www.ecw.org/university/</span></span></font></a><o:p></o:p></p>
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