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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Genia,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>To your first question, 90.1-2007 Chapter 11 Table 11.3.1 No 2.b.
requires the model to include all of the spaces served by the mechanical system(s)
serving the project spaces. We had a LEED reviewer require remodeling of an
energy performance prerequisite model to address this, even though the outcome
was obvious. And that was even before they overhauled their review process.
I strongly believe that they will require your energy model for LEED 2009 for CI
(EAp2 or EAc1.3) include of all of the spaces that are served by the air, water,
and refrigerant systems that serve your project spaces. A huge part of
mechanical system performance is part load performance and the rationale is
that you cannot adequately evaluate that without modeling the whole system with
the correct capacities and load profiles. <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>I don't understand your 2nd question.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Good luck,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Paul Riemer<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Dunham<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal style='margin-left:.5in'><b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Carol
Gardner<br>
<b>Sent:</b> Monday, October 18, 2010 12:26 PM<br>
<b>To:</b> Evgenia Gorbachinsky<br>
<b>Cc:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] LEED for Interiors 3.0 EA 1.3 Energy model<o:p></o:p></span></p>
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<p class=MsoNormal style='margin-left:.5in'><o:p> </o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:
12.0pt;margin-left:.5in'>Genia,<br>
<br>
Use your proposed building model. Simply open it up and save it using another
file name and make your changes. Should be doable in TRACE although I haven't
used it for a number of years so not entirely sure.<br>
<br>
Carol<o:p></o:p></p>
<div>
<p class=MsoNormal style='margin-left:.5in'>On Fri, Oct 15, 2010 at 12:38 PM,
Evgenia Gorbachinsky <<a href="mailto:gorbachinsky@gmail.com">gorbachinsky@gmail.com</a>>
wrote:<o:p></o:p></p>
<p class=MsoNormal style='mso-margin-top-alt:0in;margin-right:0in;margin-bottom:
12.0pt;margin-left:.5in'><span style='font-family:"'Times New Roman'","serif"'>Hi
All! <br>
<br>
I am doing energy model for EA 1.3 LEED 3.0 CI. My project takes 2 floors of 8
story building. I am trying to understand this credit, and I probably think to
hard and make everything to difficult. <br>
<br>
The building is LEED certified already. Energy model was done by AHSRAE
90.1-2004. All floors have WSHP units that cool and heat spaces. Fresh air is
delivered by energy recovery rooftop unit. System includes 2 boilers, pumps,
and 2 closed circuit evaporative cooling towers. <br>
I'm working in Trace program. <br>
So my project has common ERU, heating and cooling plants with other floors. The
underfloor air distribution system and two heat pumps were added to in my
project + occupancy sensors. <br>
Could you explain me please, how do I need to build my model. <br>
1. Do I have to model the whole building or take the area within my project ?<br>
2. I will have 3 alternatives as it is required in LEED CI EA1.3 . First is my
actual design, third is a model by AHSRAE 90.1 2007. I can't understand what
should include the second alternative ( baseline case step 6 ) in this case if
I take area only within my project. Does it have to be my actual design before
renovation? <br>
<br>
Please, help me to understand and to get clear thoughts.<br>
<br>
Thank you<br clear=all>
</span><span style='color:#888888'><br>
-- <br>
With best wishes,<br>
Genia <br>
</span><br>
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<p class=MsoNormal style='margin-left:.5in'><br>
<br clear=all>
<br>
-- <br>
Carol Gardner PE<o:p></o:p></p>
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