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<div class=Section1>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>James,<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'>I would model the fuel cells in the proposed
design only, and leave it out of the baseline. The <i style='mso-bidi-font-style:
normal'><span style='font-style:italic;mso-bidi-font-style:normal'>LEED
Reference Guide for Green Building Design and Construction</span></i> (for LEED
2009) describes how to handle CHP systems in EAc1. You may or may not be using
the fuel cells for heat but I think you could argue it is a similar situation. “The
baseline building’s heating and cooling plant utilizes the backup energy
source of the design, or electricity if no backup source is present or specified.
When all electricity and thermal outputs (heating or cooling) of the CHP are
used within the design building, the electricity produced is considered free,
as is the produced thermal energy. The input fuel for the CHP and any
additional purchased energy is charged to the design building.”<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'>Regards,<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'>Bill<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><b style='mso-bidi-font-weight:normal'><font size=2
color=black face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;
font-family:"Franklin Gothic Medium Cond";color:black;font-weight:bold;
mso-bidi-font-weight:normal;mso-no-proof:yes'>William Bishop, EIT, BEMP, LEED<sup>®</sup>
AP </span></font></b><b style='mso-bidi-font-weight:normal'><font size=2
color="#006600" face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;
font-family:"Franklin Gothic Medium Cond";color:#006600;font-weight:bold;
mso-bidi-font-weight:normal;mso-no-proof:yes'>|</span></font></b><b
style='mso-bidi-font-weight:normal'><font size=2 color=black
face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;font-family:
"Franklin Gothic Medium Cond";color:black;font-weight:bold;mso-bidi-font-weight:
normal;mso-no-proof:yes'> </span></font></b><b style='mso-bidi-font-weight:
normal'><font size=2 color=black face="Franklin Gothic Medium Cond"><span
style='font-size:10.0pt;mso-bidi-font-size:11.0pt;font-family:"Franklin Gothic Medium Cond";
color:black;font-weight:bold;mso-bidi-font-weight:normal;mso-no-proof:yes'>Pathfinder
Engineers & Architects LLP</span></font></b><b><font size=2 color=black
face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;font-family:
"Franklin Gothic Medium Cond";color:black;font-weight:bold;mso-no-proof:yes'><o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;font-family:Arial;color:black;mso-no-proof:yes'>Mechanical Engineer<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
5.0pt;font-family:Arial;color:black;mso-no-proof:yes'><o:p> </o:p></span></font></p>
<p class=MsoNormal><st1:address
style="BACKGROUND-IMAGE: url(res://ietag.dll/#34/#1001); BACKGROUND-REPEAT: repeat-x; BACKGROUND-POSITION: left bottom"
tabIndex="0" w:st="on"><st1:Street w:st="on"><font size=1 color=navy
face=Arial><span style='font-size:9.0pt;font-family:Arial;color:navy;
mso-no-proof:yes'>134 South Fitzhugh Street</span></font></st1:Street><font
size=1 color=navy><span style='font-size:9.0pt;color:navy;mso-no-proof:yes'><br>
</span></font><st1:City w:st="on"><font size=1 color=navy face=Arial><span
style='font-size:9.0pt;font-family:Arial;color:navy;mso-no-proof:yes'>Rochester</span></font></st1:City><font
size=1 color=navy face=Arial><span style='font-size:9.0pt;font-family:Arial;
color:navy;mso-no-proof:yes'>, <st1:State w:st="on">NY</st1:State> <st1:PostalCode
w:st="on">14608</st1:PostalCode></span></font></st1:address><font size=1
color=navy><span style='font-size:9.0pt;color:navy;mso-no-proof:yes'><br>
</span></font><font size=1 color=navy face=Arial><span style='font-size:9.0pt;
font-family:Arial;color:navy;mso-no-proof:yes'>T: (585) 325-6004 </span></font><font
size=1 color=black face=Arial><span style='font-size:9.0pt;font-family:Arial;
color:black;mso-no-proof:yes'>Ext. 114</span></font><font size=1 color=navy><span
style='font-size:9.0pt;color:navy;mso-no-proof:yes'><br>
</span></font><font size=1 color=navy face=Arial><span style='font-size:9.0pt;
font-family:Arial;color:navy;mso-no-proof:yes'>F: (585) 325-6005</span></font><font
size=1 color=black face=Arial><span style='font-size:9.0pt;mso-bidi-font-size:
12.0pt;font-family:Arial;color:black;mso-no-proof:yes'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;font-family:Arial;color:black;mso-no-proof:yes'>wbishop@pathfinder-ea.com<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;mso-bidi-font-size:11.0pt;font-family:Arial;color:black;mso-no-proof:
yes'>www.pathfinder-ea.com</span></font><font size=3 color=navy
face="Times New Roman"><span style='font-size:12.0pt;font-family:"Times New Roman";
color:navy;mso-no-proof:yes'><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;mso-bidi-font-family:Webdings;
color:green;mso-no-proof:yes'>P</span></font><font color=green><span
style='color:green;mso-no-proof:yes'> </span></font><font size=1 color=green><span
style='font-size:7.5pt;color:green;mso-no-proof:yes'>Please strive to live
sustainably.</span></font><font color=green><span style='color:green'><o:p></o:p></span></font></p>
</div>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=3
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>James Hansen<br>
<b><span style='font-weight:bold'>Sent:</span></b> Wednesday, April 21, 2010
2:37 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> Re: [Bldg-sim] Natural
Gas generation of electricity as it relatesto EAc1</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="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'>A few people asked for me to post what I
found on this issue, and here it is. Still not 100%, but it *<b><span
style='font-weight:bold'>looks</span></b>* like you can’t take credit for
gas-fired fuel cells in EAc1. As much as they may help with emissions,
electrical power infrastructure, and reduction of time-of-use utility charges,
I think the best you can do is apply for an ID credit (which is a shame).<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'>Although this CIR is from NC v2.1
(before Appendix G even existed), and although the two paragraphs of the
response sort of contradict each other, it appears that they do NOT allow peak
shaving to be accounted for in EAc1. I’m not sure whether to model
the fuel cells in both the baseline and proposed, or completely remove them
from both…<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='line-height:13.5pt'><b><font size=1 color="#333333"
face=Geneva><span style='font-size:9.0pt;font-family:Geneva;color:#333333;
font-weight:bold'>(ID credit under LEED-NC v2.1)<o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></font></p>
<table class=MsoNormalTable border=0 cellspacing=0 cellpadding=0 width="100%"
style='width:100.0%;mso-cellspacing:0in;mso-padding-alt:0in 0in 0in 0in'>
<tr style='mso-yfti-irow:0;mso-yfti-firstrow:yes;mso-yfti-lastrow:yes'>
<td width="15%" valign=top style='width:15.0%;padding:0in 15.0pt 0in 0in'>
<p class=MsoNormal style='line-height:13.5pt'><b><font size=1 color="#333333"
face=Geneva><span style='font-size:9.0pt;font-family:Geneva;color:#333333;
font-weight:bold'>5/24/2004</span></font></b><b><font size=1 color="#333333"
face="Times New Roman"><span style='font-size:9.0pt;font-family:"Times New Roman";
color:#333333;font-weight:bold'> - </span></font></b><font size=1
color="#333333" face=Geneva><span style='font-size:9.0pt;font-family:Geneva;
color:#333333'><o:p></o:p></span></font></p>
</td>
<td valign=top style='padding:0in 15.0pt 0in 0in'>
<p class=MsoNormal style='line-height:13.5pt'><b><font size=1 color="#333333"
face=Geneva><span style='font-size:9.0pt;font-family:Geneva;color:#333333;
font-weight:bold'>Ruling</span></font></b><font size=1 color="#333333"
face=Geneva><span style='font-size:9.0pt;font-family:Geneva;color:#333333'><br>
</span></font><font size=1 color=red face=Geneva><span style='font-size:9.0pt;
font-family:Geneva;color:red'>The use of a generator for peak shaving is a
legitimate energy cost saving and capacity reduction measure</span></font><font
size=1 color="#333333" face=Geneva><span style='font-size:9.0pt;font-family:
Geneva;color:#333333'>. Identical rate schedules must be used in both the
proposed and budget buildings for energy modeling (see EAc1.5 CIR Ruling
dated 3/24/04). Note that using a time-of-use (TOU) rate will only capture a
portion of the potential benefits to the project and the environment under
EAc1, since the budget building must also use the TOU rate for modeling
purposes.<br>
<br>
</span></font><font size=1 color=red face=Geneva><span style='font-size:9.0pt;
font-family:Geneva;color:red'>The peak shaving use of the generator does not
count under EAc1</span></font><font size=1 color="#333333" face=Geneva><span
style='font-size:9.0pt;font-family:Geneva;color:#333333'>. Since the use of a
generator to shave peak demand is not a regulated component of ASHRAE 90.1,
any savings/environmental benefits could qualify as an innovation credit. Be
sure to quantify the benefits. Claims of emission reductions need to be based
on comparison to a reasonable baseline in your region. Claims made on dollar
savings alone should be equal to at least 5% of the total building energy use
(see previous IDc1.1 CIR Rulings dated 4/17/03 and 8/16/02).<o:p></o:p></span></font></p>
</td>
</tr>
</table>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><b><font size=2 color=teal face=Arial><span
style='font-size:11.0pt;font-family:Arial;color:teal;font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'>Would love to be proved wrong!</span></font><b><font
color=teal face=Arial><span style='font-family:Arial;color:teal;font-weight:
bold'><o:p></o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 color=teal face=Arial><span
style='font-size:11.0pt;font-family:Arial;color:teal;font-weight:bold'><o:p> </o:p></span></font></b></p>
<p class=MsoNormal><b><font size=2 color=teal face=Arial><span
style='font-size:11.0pt;font-family:Arial;color:teal;font-weight:bold'>GHT
Limited<br>
</span></font></b><b><font face=Arial><span style='font-family:Arial;
font-weight:bold'><ns0:PersonName w:insAuthor="Unknown"
w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><font color=black><span style='color:black'>James
Hansen</span></font></ns0:PersonName></span></font><font color=black><span
style='color:black'>, PE, LEED AP<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'>Senior
Associate</span></font><font color=black><span style='color:black'><o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:7.5pt;
font-family:Arial'><ns0:Street w:insAuthor="Unknown"
w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><ns0:address w:insAuthor="Unknown"
w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><st1:Street w:st="on"><st1:address w:st="on"><font
color=black><span style='color:black'>1010 N. Glebe Rd, Suite 200</span></font></st1:address></st1:Street></ns0:address></ns0:Street></span></font><font
color="#1f497d"><span style='color:#1F497D'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:7.5pt;
font-family:Arial'><ns0:place w:insAuthor="Unknown"
w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><ns0:City w:insAuthor="Unknown"
w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><st1:place w:st="on"><st1:City w:st="on"><font
color=black><span style='color:black'>Arlington</span></font></st1:City></ns0:City></st1:place><font
color=black><span style='color:black'>, </span></font><ns0:State
w:insAuthor="Unknown" w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><st1:State w:st="on"><font color=black><span
style='color:black'>VA</span></font></st1:State></ns0:State><font
color=black><span style='color:black'> </span></font><ns0:PostalCode
w:insAuthor="Unknown" w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><st1:PostalCode w:st="on"><font
color=black><span style='color:black'>22201-4749</span></font></st1:PostalCode></ns0:PostalCode></ns0:place></span></font><font
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11.0pt;font-family:Arial;color:teal'><a href="http://www.ghtltd.com/"><font
size=2><span style='font-size:10.0pt'>www.ghtltd.com</span></font></a><o:p></o:p></span></font></p>
<p class=MsoNormal><b><font size=2 color="#31849b" face=Calibri><span
style='font-size:11.0pt;color:#31849B;font-weight:bold'><o:p> </o:p></span></font></b></p>
</div>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;color:#1F497D'><o:p> </o:p></span></font></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<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'> James Hansen <br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, April 20, 2010 8:16
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> Natural Gas generation of
electricity as it relates to EAc1<o:p></o:p></span></font></p>
</div>
</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 face=Calibri><span style='font-size:11.0pt'>I
think I asked this question a year ago or so, but wanted to see if anyone had
an update on this, as I believe there may have been a recent CIR that addresses
this issue (that I can’t seem to find).<o:p></o:p></span></font></p>
<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 face=Calibri><span style='font-size:11.0pt'>I’m
modeling a building that is fed by an electric service that is mostly demand
based. The building Owner has decided to use gas-fired fuel cells in
conjunction with natural gas generators to reduce demand via peak
shaving. <o:p></o:p></span></font></p>
<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 face=Calibri><span style='font-size:11.0pt'>Someone
mentioned that this might be a no-no as it relates to Appendix G – that I
would need to model the fuel cells and natural gas generators in the baseline
building as well.<o:p></o:p></span></font></p>
<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 face=Calibri><span style='font-size:11.0pt'>Does
this make sense, and has anyone seen a CIR that confirms this?<o:p></o:p></span></font></p>
<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 face=Calibri><span style='font-size:11.0pt'>The
client is using fuel cells to reduce emissions, reduce the peak demand seen by
the utility company (thereby reducing their use of inefficient diesel
generators), etc…it doesn’t seem fair not to award a project that
wants to do this.<o:p></o:p></span></font></p>
<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 face=Calibri><span style='font-size:11.0pt'>Anyone
have any input?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Calibri><span style='font-size:11.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><b><font size=2 color=teal face=Arial><span
style='font-size:11.0pt;font-family:Arial;color:teal;font-weight:bold'>GHT
Limited<br>
</span></font></b><b><font face=Arial><span style='font-family:Arial;
font-weight:bold'><ns0:PersonName w:insAuthor="Unknown"
w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><font color=black><span style='color:black'>James
Hansen</span></font></ns0:PersonName></span></font><font color=black><span
style='color:black'>, PE, LEED AP<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'>Senior
Associate</span></font><font color=black><span style='color:black'><o:p></o:p></span></font></b></p>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:7.5pt;
font-family:Arial'><ns0:Street w:insAuthor="Unknown"
w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><ns0:address w:insAuthor="Unknown"
w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><font color=black><span style='color:
black'>1010 N. Glebe Rd, Suite 200</span></font></ns0:address></ns0:Street></span></font><o:p></o:p></p>
<p class=MsoNormal><font size=1 face=Arial><span style='font-size:7.5pt;
font-family:Arial'><ns0:place w:insAuthor="Unknown"
w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><ns0:City w:insAuthor="Unknown"
w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><font color=black><span style='color:
black'>Arlington</span></font></ns0:City><font color=black><span
style='color:black'>, </span></font><ns0:State w:insAuthor="Unknown"
w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><font color=black><span style='color:
black'>VA</span></font></ns0:State><font color=black><span style='color:black'>
</span></font><ns0:PostalCode w:insAuthor="Unknown"
w:insDate="2010-04-21T14:53:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-04-21T14:53:00Z"><font color=black><span style='color:
black'>22201-4749</span></font></ns0:PostalCode></ns0:place></span></font><font
color=black><span style='color:black'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:black'>703-338-5754 (Cell)</span></font><font
color=black><span style='color:black'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:black'>703-243-1200 (Office)</span></font><font
color=black><span style='color:black'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
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<p class=MsoNormal><font size=2 color=teal face=Arial><span style='font-size:
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<p class=MsoNormal><b><font size=2 color="#31849b" face=Calibri><span
style='font-size:11.0pt;color:#31849B;font-weight:bold'><o:p> </o:p></span></font></b></p>
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