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<DIV dir=ltr align=left><SPAN class=890165317-26042007><FONT face=Arial
color=#0000ff size=2>Ryan,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890165317-26042007><FONT face=Arial
color=#0000ff size=2>The standard building HVAC equipment selection is based on
the type of system you select for your proposed buildings. Rules for equipment
selection are explained in the Nonresidential ACM manual of the CA Title 24.
These rules are intended to provide objective baseline energy consumption for a
given system type -- thus a DX system is compared to a DX system, and a hydronic
system is compared to a hydronic system. </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890165317-26042007><FONT face=Arial
color=#0000ff size=2>For details see "Table N2-10 - Standard Design System
Selection Flowchart" of the 2005 Nonresidential ACM Manual</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=890165317-26042007><FONT face=Arial
color=#0000ff size=2>(<A
href="http://energy.ca.gov/title24/2005standards/nonresidential_acm/2005_NONRES_ACM_MANUAL.PDF">http://energy.ca.gov/title24/2005standards/nonresidential_acm/2005_NONRES_ACM_MANUAL.PDF</A>)</FONT></SPAN></DIV>
<DIV><SPAN class=890165317-26042007><FONT face=Arial color=#0000ff size=2>Hope
this helps,</FONT></SPAN></DIV>
<DIV><!-- Converted from text/rtf format -->
<P><B><FONT face="Century Gothic" color=#804040 size=2>Abhijeet
Pande</FONT><FONT face=Arial color=#804040 size=2><BR></FONT></B><FONT
face=Arial size=2>Senior Project Manager
</FONT><FONT face=Arial color=#c0c0c0
size=2>|</FONT><FONT face=Arial size=2> Heschong
Mahone Group Inc.<BR>436 14th St., Suite 1123, Oakland CA 94612</FONT> </P>
<P><FONT face=Arial size=2>ph (510) 451-7001
</FONT><FONT face=Arial color=#c0c0c0
size=2>|</FONT><FONT face=Arial size=2> fax (510)
451-7002<BR>pande@h-m-g.com
</FONT><FONT face=Arial color=#c0c0c0
size=2>|</FONT><FONT face=Arial size=2> web site:
www.h-m-g.com</FONT> </P></DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> BLDG-SIM@gard.com
[mailto:BLDG-SIM@gard.com] <B>On Behalf Of </B>Ryan Hammond<BR><B>Sent:</B>
Thursday, April 26, 2007 10:33 AM<BR><B>To:</B> BLDG-SIM@gard.com<BR><B>Cc:</B>
Nathan Fleischer<BR><B>Subject:</B> [BLDG-SIM] Moving Target (kBtu/sq.ft/yr) in
the Performance Calcs<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Question regarding T-24 and the TDV
Standard.<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">Why is the kBtu/sq.ft/yr for the
Standard bldg a “moving target” for performance calcs?
<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">Specifically, why does the Standard
bldg energy consumption change as the proposed HVAC system changes?
<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">We have always seen this as a
serious flaw in the performance calcs (as in using EnergyPro), and have yet to
get a straight answer from anyone. <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 again for the
help.</SPAN></FONT><o:p></o:p></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">Sincerely,<o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><B><FONT face=Arial color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">R.
<st1:PersonName
style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
tabIndex=0 w:st="on">Ryan Hammond</st1:PersonName>,
LEED</SPAN></FONT></B><B><SUP><FONT color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: navy">®</SPAN></FONT></SUP></B><B><FONT
face=Arial color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">
AP</SPAN></FONT></B><B><FONT face=Arial color=black size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: Arial"><o:p></o:p></SPAN></FONT></B></P>
<P style="MARGIN: 0in 0in 0pt"><I><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-STYLE: italic; FONT-FAMILY: Arial">Designer<o:p></o:p></SPAN></FONT></I></P>
<P style="MARGIN: 0in 0in 0pt"><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><B><FONT face=Arial color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">G U
T T M A N N </SPAN></FONT></B><B><FONT face=Arial color=red size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: red; FONT-FAMILY: Arial">&</SPAN></FONT></B><B><FONT
face=Arial color=navy size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"> B L
A E V O E T <o:p></o:p></SPAN></FONT></B></P>
<P style="MARGIN: 0in 0in 0pt"><B><FONT face=Arial color=red size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: red; FONT-FAMILY: Arial">C o n
s u l t i n g E n g i n e e r s<o:p></o:p></SPAN></FONT></B></P>
<P style="MARGIN: 0in 0in 0pt"><FONT face=Arial color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><FONT face=Arial color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial">2351 Powell Street
1111 Howe Ave., Suite 155<o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><st1:City
style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
tabIndex=0 w:st="on"><FONT face=Arial color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial">San
Francisco</SPAN></FONT></st1:City><FONT face=Arial color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial">, <st1:State
style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
tabIndex=0 w:st="on">CA</st1:State> <st1:PostalCode
w:st="on">94133</st1:PostalCode> <st1:place
style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
tabIndex=0 w:st="on"><st1:City
style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
tabIndex=0 w:st="on">Sacramento</st1:City>, <st1:State
style="BACKGROUND-POSITION: left bottom; BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x"
tabIndex=0 w:st="on">CA</st1:State> <st1:PostalCode
w:st="on">95825</st1:PostalCode></st1:place><o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><B><FONT face=Arial color=red size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: red; FONT-FAMILY: Arial">P</SPAN></FONT></B><FONT
face=Arial color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial"> (415)
625-0730
</SPAN></FONT><B><FONT face=Arial color=red size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: red; FONT-FAMILY: Arial">P</SPAN></FONT></B><FONT
face=Arial color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial"> (916)
921-1981<o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><B><FONT face=Arial color=red size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: red; FONT-FAMILY: Arial">F</SPAN></FONT></B><FONT
face=Arial color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial"> (415) 625-0735
</SPAN></FONT><B><FONT face=Arial color=red size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: red; FONT-FAMILY: Arial">F</SPAN></FONT></B><FONT
face=Arial color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial"> (916)
921-1921<o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><B><FONT face=Arial color=red size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: red; FONT-FAMILY: Arial">E</SPAN></FONT></B><FONT
face=Arial color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial">
RHammond@gb-eng.com<o:p></o:p></SPAN></FONT></P>
<P style="MARGIN: 0in 0in 0pt"><B><FONT face=Arial color=red size=1><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 8pt; COLOR: red; FONT-FAMILY: Arial">W</SPAN></FONT></B><FONT
face=Arial color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial">
www.gb-eng.com</SPAN></FONT><FONT face=Arial color=navy size=1><SPAN
style="FONT-SIZE: 8pt; COLOR: navy; FONT-FAMILY: Arial"><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><PRE>
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