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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'>Ron,<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’m with James on this one. I can
see changing lighting or equipment schedules to capture ECMs but changing
occupancy schedules makes no sense unless you’re modeling telecommuting
or 4-day work week. You can capture DCV savings in eQUEST by selecting DCV as
the Minimum OA Control Method for the system and having an occupancy schedule with
a varying percentage (not 100%) during occupied hours. Using the same occupancy
schedule, the model with DCV will heat/cool less OA air and show savings.<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><st1:place w:st="on"><st1:City w:st="on"><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</span></font></b></st1:City><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'> <st1:State w:st="on">Bishop</st1:State>, <st1:State
w:st="on">PE</st1:State></span></font></b></st1:place><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'>, 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:12.0pt;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:12.0pt;font-family:Arial;color:black;mso-no-proof:
yes'>www.pathfinder-ea.com</span></font><font color=navy><span
style='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'>Sustainability –
less is more.</span></font><font color=green><span style='color:green'><o:p></o:p></span></font></p>
</div>
<div>
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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'>
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-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> Tuesday, July 27, 2010 2:23
PM<br>
<b><span style='font-weight:bold'>To:</span></b> ron lamarre; equest-users<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Equest-users] Demand
Controlled Ventilation and EA Credit 1</span></font><o:p></o:p></p>
</div>
<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=red face=Calibri><span style='font-size:
11.0pt;font-family:Calibri;color:red'>“</span></font><font size=2
color=red face=Arial><span style='font-size:10.0pt;font-family:Arial;
color:red'>For the record, the occupancy schedule refers to the people present
within the space. For instance, a space within the baseline
(not required by ASHRAE to have DCV) would have the max number of
occupants for the entire occupied-mode schedule; however, the proposed would
have the max number of people for only as many hours
as submitted in the project narrative for FTE usage of the space, and
a minimum number of people (or no one) for the remaining occupied-mode
time. Thus we create an occupancy (people) schedule for the space.
During the unoccupied mode the fans would cycle as required with no people,
no lighting (automatic shut off), acting on the heating & cooling
loads. We would not install DCV if the occupant loads didn't change
during the occupied mode.”<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'>Ron, please educate me if I’m reading your email
wrong, but are you saying that your occupancy schedule in the proposed design
does not match the baseline design? This is strictly prohibited in App G I
thought… You can change schedules to take advantage of non-standard ECMs
like DCV, and automatic lighting reductions for the use of occupancy sensors
(in rooms NOT already required to have them by code). But having a conference
room 100% occupied from 7am-6pm in the baseline model and only 100% occupied
from 9am-noon in the proposed model is not a valid way to demonstrate savings
from DCV, since there will be energy savings related to the people
latent/sensible production that has nothing to do with DCV. Don’t you
have to create a minimum outside air schedule to demonstrate DCV savings? If
you have received credit for simply reducing the Occupancy Schedule in the proposed
model, that is very interesting…<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'>Thanks!<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;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'>GHT
Limited<br>
</span></font></b><b><font size=2 face=Arial><span style='font-size:11.0pt;
font-family:Arial;font-weight:bold'><ns1:PersonName w:insAuthor="Unknown"
w:insDate="2010-07-27T14:24:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-07-27T14:24:00Z"><font color=black><span style='color:black'>James
Hansen</span></font></ns1:PersonName></span></font></b><b><font size=2
color=black face=Calibri><span style='font-size:11.0pt;font-family:Calibri;
color:black;font-weight:bold'>, 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></b><b><font size=2 color=black face=Calibri><span
style='font-size:11.0pt;font-family:Calibri;color:black;font-weight:bold'><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'><ns1:Street w:insAuthor="Unknown"
w:insDate="2010-07-27T14:24:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-07-27T14:24:00Z"><ns1:address w:insAuthor="Unknown"
w:insDate="2010-07-27T14:24:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-07-27T14:24:00Z"><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></ns1:address></ns1:Street></span></font><font
size=2 color="#1f497d" face=Calibri><span style='font-size:11.0pt;font-family:
Calibri;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'><ns1:place w:insAuthor="Unknown"
w:insDate="2010-07-27T14:24:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-07-27T14:24:00Z"><ns1:City w:insAuthor="Unknown"
w:insDate="2010-07-27T14:24:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-07-27T14:24:00Z"><st1:place w:st="on"><st1:City w:st="on"><font
color=black><span style='color:black'>Arlington</span></font></st1:City></ns1:City></st1:place><font
color=black><span style='color:black'>, </span></font><ns1:State
w:insAuthor="Unknown" w:insDate="2010-07-27T14:24:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-07-27T14:24:00Z"><st1:State w:st="on"><font color=black><span
style='color:black'>VA</span></font></st1:State></ns1:State><font
color=black><span style='color:black'> </span></font><ns1:PostalCode
w:insAuthor="Unknown" w:insDate="2010-07-27T14:24:00Z" w:endInsAuthor="Unknown"
w:endInsDate="2010-07-27T14:24:00Z"><st1:PostalCode w:st="on"><font
color=black><span style='color:black'>22201-4749</span></font></st1:PostalCode></ns1:PostalCode></ns1:place></span></font><font
size=2 color=black face=Calibri><span style='font-size:11.0pt;font-family:Calibri;
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
size=2 color=black face=Calibri><span style='font-size:11.0pt;font-family:Calibri;
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
size=2 color=black face=Calibri><span style='font-size:11.0pt;font-family:Calibri;
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'>703-276-1376 (Fax)</span></font><font
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color:black'><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=teal face=Arial><span style='font-size:
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;font-family:Calibri;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;font-family:Calibri;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'> ron lamarre
[mailto:lamarre_arch@yahoo.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, July 27, 2010 2:08
PM<br>
<b><span style='font-weight:bold'>To:</span></b> James Hansen; equest-users<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [Equest-users] Demand
Controlled Ventilation and EA Credit 1<o:p></o:p></span></font></p>
</div>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi James:<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>For the record, the occupancy schedule refers to the people
present within the space. For instance, a space within the
baseline (not required by ASHRAE to have DCV) would have the max number of
occupants for the entire occupied-mode schedule; however, the proposed would
have the max number of people for only as many hours
as submitted in the project narrative for FTE usage of the space, and
a minimum number of people (or no one) for the remaining occupied-mode
time. Thus we create an occupancy (people) schedule for the space.
During the unoccupied mode the fans would cycle as required with no
people, no lighting (automatic shut off), acting on the heating &
cooling loads. We would not install DCV if the occupant loads didn't
change during the occupied mode.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>We also use general lighting schedules that take advantage
of installed occupancy sensors, and process load schedules that take advantage
of Energy Star computers and monitiors.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The HVAC engineer decides the minimum design rate for each
space to work (heating & cooling) if fully occupied with all the lights,
process loads, and people during the occupied mode. This is normally at
or above the 62.1 and/or other code-required minimums (never below due to the
LEED pre-requisite). Sharing the reduction schedules placed into
eQuest with a template-narrative to support the reductions (based on
ASHRAE 90.1, Energy Star, etc... %-reductions) has been accepted by LEED.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>We utilize an integrated design team method, where the
engineers and I review the models that I construct. We also get
peer reviews when we think it's necessary and/or when LEED throws us a
curve. We pay for our peer reviews. I'm confident that anything
we've submitted does not prove inconsistency within the review
of EAc1.<br>
<o:p></o:p></span></font></p>
</div>
<div>
<div>
<div>
<div>
<p class=MsoNormal><strong><b><font size=1 face=Verdana><span style='font-size:
7.5pt;font-family:Verdana'>Ron Lamarre, AIA, NCARB</span></font></b></strong><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=1 face=Verdana><span style='font-size:7.5pt;
font-family:Verdana'>Architect - <strong><b><font face=Verdana><span
style='font-family:Verdana'>LEED AP BD+C</span></font></b></strong></span></font><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><span class=apple-style-span><b><font size=1 face=Verdana><span
style='font-size:7.5pt;font-family:Verdana;font-weight:bold'>Design
+ Energy Modeling + LEED Administration</span></font></b></span><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'><o:p></o:p></span></font></p>
</div>
</div>
</div>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
<hr size=1 width="100%" align=center>
</span></font></div>
<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'> James
Hansen <JHANSEN@ghtltd.com><br>
<b><span style='font-weight:bold'>To:</span></b> ron lamarre
<lamarre_arch@yahoo.com>; Karen Walkerman <kwalkerman@gmail.com>; <br>
<b><span style='font-weight:bold'>Sent:</span></b> Tue, July 27, 2010 12:57:21
PM<br>
<b><span style='font-weight:bold'>Subject:</span></b> RE: [Equest-users] Demand
Controlled Ventilation and EA Credit 1</span></font><o:p></o:p></p>
<div>
<p class=MsoNormal><font size=2 color=red face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:red'>“Each model that I've done for LEED
utilizes the same ventilation rates between the proposed and design; whether it
was ASHRAE 62.1 or IMC 2003; however, the occupancy schedules changed in spaces
where DCV was installed.”</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Arial><span
style='font-size:11.0pt;font-family:Arial;color:#1F497D'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Arial><span
style='font-size:11.0pt;font-family:Arial;color:#1F497D'>Ron, that’s an
interesting statement in itself – modifying occupancy schedules has an
impact on the mechanical cooling (not just the cooling associated with reduced
ventilation air), which isn’t really fair. Was that approved by
GBCI? If so, I guess it’s further proof that there is still a lot
of inconsistency in the review of EAc1. </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Arial><span
style='font-size:11.0pt;font-family:Arial;color:#1F497D'> </span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Arial><span
style='font-size:11.0pt;font-family:Arial;color:#1F497D'>Karen, I think your
letter does a good job of requesting an official “ruling” from the
USGBC.</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color="#1f497d" face=Arial><span
style='font-size:11.0pt;font-family:Arial;color:#1F497D'> </span></font><o:p></o:p></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'>GHT
Limited<br>
</span></font></b><b><font size=2 color=black face=Arial><span
style='font-size:11.0pt;font-family:Arial;color:black;font-weight:bold'>James
Hansen, PE, LEED AP</span></font></b><o:p></o:p></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></b><o:p></o:p></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:black'>1010 N. Glebe Rd, Suite 200</span></font><font
size=1 face=Arial><span style='font-size:7.5pt;font-family:Arial'><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'>Arlington, VA 22201-4749</span></font><o:p></o:p></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><o:p></o:p></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><o:p></o:p></p>
<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
7.5pt;font-family:Arial;color:black'>703-276-1376 (Fax)</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=2 color=teal face=Arial><span style='font-size:
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></span></font><o:p></o:p></p>
<p class=MsoNormal><b><font size=2 color="#31849b" face=Arial><span
style='font-size:11.0pt;font-family:Arial;color:#31849B;font-weight:bold'> </span></font></b><o:p></o:p></p>
</div>
<div>
<div>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'> </span></font><o:p></o:p></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><font size=2
face=Arial><span style='font-size:10.0pt;font-family:Arial'>
<hr size=1 width="100%" align=center>
</span></font></div>
<p class=MsoNormal style='margin-bottom:12.0pt'><b><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial;font-weight:bold'>From:</span></font></b><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> Karen
Walkerman <kwalkerman@gmail.com><br>
<b><span style='font-weight:bold'>To:</span></b> equest-users
<equest-users@lists.onebuilding.org><br>
<b><span style='font-weight:bold'>Sent:</span></b> Tue, July 27, 2010 12:10:27
PM<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Equest-users] Demand
Controlled Ventilation and EA Credit 1</span></font><o:p></o:p></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>All,<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>below is a draft letter to the EA Credit 1 TAG chair. I welcome
any edits, or critiques, and if anyone would like to be a co-signer of the
letter, please let me know.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Thanks,<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>--<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Karen<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>It has come to our attention from a posting on the eQuest list-serve
that a fellow energy-modeling professional has been asked to model proposed
design and baseline design ventilation rates differently where the proposed
design model utilizes demand controlled ventilation. We have searched the
ASHRAE 90.1 documentation as well as the LEED reference documentation and
consistently find the requirement that baseline ventilation rates be modeled
the same as the proposed design, and that credit can be taken for demand
controlled ventilation.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>We understand that large energy savings can be gained from demand
controlled ventilation and that in certain cases, 'gaming' of the system could
result in abnormally high ventilation rates for the baseline design, while the
DCV system keeps ventilation rates low in the proposed design, however, our
main concern is that energy modelers are being made aware of changes to
guidelines during the design review process. At this stage, the energy
modeler has already completed a significant amount of work in preparing the
proposed and baseline design energy models, and all associated documentation.
Changing the baseline design ventilation rates requires re-modeling of
the building and increases the likelihood that the project will have to
challenge a 'rejected' result if the LEED reviewer is not satisfied with the energy
modeler's response and modeling changes.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>We feel that it may be time to develop modeling guidelines for demand
controlled ventilation, and that these guidelines should be developed,
released, and required in a similar fashion to the district energy guidelines
published by LEED for NC 2.2 Furthermore, we feel that any changes made
to EA Credit 1 energy modeling guidelines should be made with adequate notice
to the energy modeling community.<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Thank you for your consideration on this issue,<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>--<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Karen Walkerman<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Second Law<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
</div>
</div>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
</div>
<div class=MsoNormal align=center style='text-align:center'><font size=2
color=blue face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
color:blue'>
<hr size=2 width="100%" align=center>
</span></font></div>
<p class=MsoNormal><font size=2 color=black face=Arial><span style='font-size:
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Unauthorized use, disclosure or copying of this communication or any part
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