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<DIV dir=ltr align=left><SPAN class=590224517-04082006><FONT face=Arial
color=#0000ff size=2>Mike,</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=590224517-04082006><FONT face=Arial
color=#0000ff size=2>Per the USGBC, LEED NC addresses new buildings and major
renovations. LEED EB is designed to address O&M of existing buildings. If
you are performing a major renovation (which I think you are in this case), you
should use LEED NC. As a rule of thumb a major renovation involves elements of
major HVAC renovation, significant envelope modifications (adding 2 stories
would fall under this I think) and major interior rehabilitation (Page 24 of the
2.2 reference guide).</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=590224517-04082006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=590224517-04082006><FONT face=Arial
color=#0000ff size=2>I would say you fall under NC. You will probably get less
credit for your energy performance, but I think you can take significant credit
in the MR section for retaining the existing building shell.
</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=590224517-04082006><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=590224517-04082006><FONT face=Arial
color=#0000ff size=2>Hope this helps</FONT></SPAN></DIV>
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<FONT face=Tahoma size=2><B>From:</B> bldg-sim@gard.com
[mailto:bldg-sim@gard.com] <B>On Behalf Of </B>Mike Tillou<BR><B>Sent:</B>
Friday, August 04, 2006 11:46 AM<BR><B>To:</B>
bldg-sim@gard.com<BR><B>Subject:</B> [bldg-sim] LEED Credit EA-1 Modeling
question<BR></FONT><BR></DIV>
<DIV></DIV><!-- Converted from text/rtf format -->
<P><FONT face=Arial size=2>Hi all,</FONT> </P>
<P><FONT face=Arial size=2>I have aLEED EA-1 question that I am hoping someone
has had to deal with previously.</FONT> </P>
<P><FONT face=Arial size=2>I am looking at a potential LEED project that
involves the extensive renovation of an existing building and the construction
of a new addition. The existing building is three floors (15,000 sq.ft.)
and the new addition will be two stories (4,000 sq.ft.). </FONT></P>
<P><FONT face=Arial size=2>I am wondering how USGBC is currently dealing with
projects that incorporate renovation and addition. At what point is a
project still considered an existing building allowing the use of the Existing
Building savings percentages? I cannot seem to find a discussion about it
in the NC 2.1 User's Manual. </FONT></P>
<P><FONT face=Arial size=2>Any advice would be appreciated, thank you.
</FONT></P>
<P><FONT face=Arial size=2>Mike </FONT></P>
<P><B><FONT face=Arial size=2>Michael Tillou, PE<BR>etc Group, Inc.<BR>PO Box 7,
Williamstown, MA 01267<BR>ph. (413) 458-9870 fx. (413)
458-9875<BR></FONT><BR></B></P><BR><PRE>
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