<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML xmlns:o = "urn:schemas-microsoft-com:office:office" xmlns:w =
"urn:schemas-microsoft-com:office:word" xmlns:st1 =
"urn:schemas-microsoft-com:office:smarttags"><HEAD>
<META content="MSHTML 6.00.6000.16825" name=GENERATOR><o:SmartTagType
name="City"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><o:SmartTagType
name="place"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><o:SmartTagType
name="Street"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><o:SmartTagType
name="address"
namespaceuri="urn:schemas-microsoft-com:office:smarttags"></o:SmartTagType><!--[if !mso]>
<STYLE>st1\:* {
        BEHAVIOR: url(#default#ieooui)
}
</STYLE>
<![endif]-->
<STYLE>@font-face {
        font-family: Arial Black;
}
@page Section1 {size: 8.5in 11.0in; margin: 1.0in 1.25in 1.0in 1.25in; }
P.MsoNormal {
        FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"
}
LI.MsoNormal {
        FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"
}
DIV.MsoNormal {
        FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"
}
A:link {
        COLOR: blue; TEXT-DECORATION: underline
}
SPAN.MsoHyperlink {
        COLOR: blue; TEXT-DECORATION: underline
}
A:visited {
        COLOR: purple; TEXT-DECORATION: underline
}
SPAN.MsoHyperlinkFollowed {
        COLOR: purple; TEXT-DECORATION: underline
}
SPAN.EmailStyle17 {
        COLOR: windowtext; FONT-FAMILY: Arial; mso-style-type: personal-compose
}
DIV.Section1 {
        page: Section1
}
</STYLE>
</HEAD>
<BODY lang=EN-US vLink=purple link=blue>
<DIV dir=ltr align=left><SPAN class=062275917-12052009><FONT face=Arial
color=#0000ff size=2>Christopher,</FONT></SPAN>
</DIV>
<DIV dir=ltr align=left><SPAN class=062275917-12052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN>
</DIV>
<DIV dir=ltr align=left><SPAN class=062275917-12052009><FONT face=Arial
color=#0000ff size=2>One of the addenda to 90.1 removes this requirement and the
use of addenda is accepted by USGBC, so you don't need to waste your
time.</FONT></SPAN>
</DIV>
<DIV dir=ltr align=left><SPAN class=062275917-12052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN>
</DIV>
<DIV dir=ltr align=left><SPAN class=062275917-12052009><FONT face=Arial
color=#0000ff size=2>-Cramer</FONT></SPAN>
</DIV>
<DIV dir=ltr align=left><SPAN class=062275917-12052009><FONT face=Arial
color=#0000ff size=2></FONT></SPAN>
</DIV>
<DIV dir=ltr align=left><SPAN class=062275917-12052009>
<DIV align=left><FONT face=Arial size=1>J. Cramer Silkworth</FONT>
</DIV>
<DIV align=left><FONT face=Arial size=1>Transsolar Inc.</FONT>
</DIV>
<DIV align=left><SPAN class=406415914-13042009><FONT face=Arial size=1>Technical
consulting for energy efficiency and user comfort in buildings. Stuttgart -
Munich - New York</FONT></SPAN>
</DIV>
<DIV align=left><FONT face=Arial size=1>134 Spring Street Suite 601</FONT>
</DIV>
<DIV align=left><FONT face=Arial size=1>New York, NY 10012</FONT>
</DIV>
<DIV align=left><FONT face=Arial size=1>212-219-2255</FONT>
</DIV>
<DIV align=left><FONT face=Arial size=1><A
href="mailto:silkworth@transsolar.com">silkworth@transsolar.com</A></FONT>
</DIV></SPAN></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>  
<FONT face=Tahoma size=2><B>From:</B> Christopher Zabaneh
[mailto:christopher.zabaneh@ibece.net] <BR>
<B>Sent:</B> Tuesday, May 12, 2009
1:33 PM<BR>
<B>To:</B> bldg-sim@lists.onebuilding.org<BR>
<B>Subject:</B>
[Bldg-sim] ASHRAE 90.1 building rotation reasoning<BR>
</FONT><BR>
</DIV>
<DIV></DIV>
<P>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">What is the original reasoning
behind the ASHRAE 90.1 Appendix G building rotations through 0, 90, 180 and 270
degrees?<o:p></o:p></SPAN></FONT>
</P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT>
</P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">If the building is only going to
have one orientation, why go through the trouble of rotating and averaging the
building values when there should be only one base
case?<o:p></o:p></SPAN></FONT>
</P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT>
</P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Are steps being taken by ASHRAE or
the energy modeling community to change this?<o:p></o:p></SPAN></FONT>
</P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT>
</P>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thanks
kindly,<o:p></o:p></SPAN></FONT>
</P>
<P class=MsoNormal><B><FONT face=Arial color=gray size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: gray; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></B>
</P>
<P class=MsoNormal><B><FONT face=Arial color=gray size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: gray; FONT-FAMILY: Arial">Christopher
F. Zabaneh<o:p></o:p></SPAN></FONT></B>
</P>
<P class=MsoNormal><FONT face=Arial color=gray size=1><SPAN
style="FONT-SIZE: 7.5pt; COLOR: gray; FONT-FAMILY: Arial">B.Sc.Eng, LEED®
AP<BR>
IBE Consulting Engineers<BR>
<st1:Street w:st="on"><st1:address
w:st="on">14130 Riverside Drive,
Suite 201</st1:address></st1:Street><BR>
<st1:City w:st="on"><st1:place
w:st="on">Sherman</st1:place></st1:City> Oaks, CA
91423-2313<BR>
p </SPAN></FONT><SPAN
class=apple-converted-space><FONT color=gray size=1><SPAN
style="FONT-SIZE: 7.5pt; COLOR: gray"> </SPAN></FONT></SPAN><FONT
face=Arial color=gray size=1><SPAN
style="FONT-SIZE: 7.5pt; COLOR: gray; FONT-FAMILY: Arial">(818) 377-8220 X
295<BR>
f </SPAN></FONT><SPAN
class=apple-converted-space><FONT color=gray size=1><SPAN
style="FONT-SIZE: 7.5pt; COLOR: gray"> </SPAN></FONT></SPAN><FONT
face=Arial color=gray size=1><SPAN
style="FONT-SIZE: 7.5pt; COLOR: gray; FONT-FAMILY: Arial">(818) 377-8230<BR>
<A
href="http://www.ibece.com/"><FONT face="Arial Black" color=gray><SPAN
style="COLOR: gray; FONT-FAMILY: 'Arial Black'">IDEAS FOR THE BUILT
ENVIRONMENT</SPAN></FONT></A><BR>
<BR>
This e-mail message, including any
attachments, is for the sole use of the intended recipient(s) and may contain
confidential and privileged information. Any unauthorized review, use,
disclosure, or distribution is prohibited. If you are not the intended
recipient, please contact the sender by reply e-mail and destroy all copies of
the original message.</SPAN></FONT><FONT color=black><SPAN
style="COLOR: black"><o:p></o:p></SPAN></FONT>
</P>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT>
</P></DIV>
<P></P></BODY></HTML>