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<div class=Section1>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Thank you Bill for posting our recent publication on 50% TSD for
Medium Office. This report has been updated with very minor editorial
changes. The most recent version is available for free download at the following
link:<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:10.0pt;font-family:"Arial","sans-serif";
color:blue'><a
href="http://www.pnl.gov/main/publications/external/technical_reports/PNNL-19044.pdf">http://www.pnl.gov/main/publications/external/technical_reports/PNNL-19044.pdf</a><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'>Regarding Chris comments on DOAS, I agree, DOAS has to work with
other HVAC equipment to provide full heating and cooling requirement. So the system
we evaluated in the report is DOAS with radiant systems. <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'>Thanks,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Bing<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:#D47500'>__________________________________________________</span><span
style='color:#1F497D'> <br>
</span><b><span style='font-family:"Verdana","sans-serif";color:black'>Bing Liu
</span></b><b><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>P.E., CEM, LEED AP</span></b><span style='color:#1F497D'> <br>
Senior Research Engineer <br>
Energy and Environment Directorate <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Pacific Northwest National Laboratory</span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> <br>
</span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>902 Battelle Boulevard</span><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'> <br>
</span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>P.O. Box 999, MSIN K5-16</span><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'> <br>
</span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Richland, WA 99352 USA</span><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'> <br>
</span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Tel: 509-375-3710</span><span style='font-size:11.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'> <br>
</span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>Fax: 509-375-2379</span><span style='font-size:11.0pt;font-family:
"Calibri","sans-serif";color:#1F497D'> <br>
</span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:black'>bing.liu@pnl.gov</span><span style='font-size:11.0pt;font-family:
"Calibri","sans-serif";color:#1F497D'> <br>
</span><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";
color:#D47500'>www.pnl.gov</span><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>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><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>Chris Yates<br>
<b>Sent:</b> Monday, January 04, 2010 2:44 AM<br>
<b>To:</b> 'Bishop, Bill'; bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] 50% Energy Savings Design for Medium Office
Buildings - free resource<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>Section 4.4.1 – I
don’t feel there’s enough emphasis on extra zone equipment here.
Most DOAS systems will require something like fan coils (European fan coils!)
or DX terminal units to meet the full heating and cooling requirements.<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>In Section 4.4.2:<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>Radiant system design
and application are still in development in the United States, while they are<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>more widely adopted in
Europe. Unlike VAV systems, there is no well established radiant system design.<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>Building surfaces used
in a radiant system can be floors, ceilings, and walls, though the first two
are most<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>commonly applied.
*<b>And chilled beams – maybe a bit complicated to model, especially
active beams</b>*<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>Different radiant
surfaces have different heating and cooling capacities. A radiant<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>floor system has a
larger heating capacity than its cooling capacity because radiant floor heating
has a<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>larger heat exchange
coefficient between the floor and the space than radiant floor cooling.
According to<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>Babiak et al. (2009), a
radiant floor system normally has a maximum heating capacity of about 100 W/ft²<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>(1075 W/m</span><span
lang=EN-GB style='font-size:7.0pt;font-family:TimesNewRomanPSMT'>2</span><span
lang=EN-GB style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>) and a
maximum cooling capacity of about 40 W/ ft² (430 W/m</span><span lang=EN-GB
style='font-size:7.0pt;font-family:TimesNewRomanPSMT'>2</span><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>). *<b>Er..., how many
watts per m2?</b>* <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>In areas exposed to
direct sunlight, the radiant cooling capacity can increase up to 100 W/ ft²
(1075 W/m</span><span lang=EN-GB style='font-size:7.0pt;font-family:TimesNewRomanPSMT'>2</span><span
lang=EN-GB style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>). However,
floor carpets<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>may reduce the heating
and cooling capacity by as much as 50%. In contrast to a radiant floor system,
a<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>radiant ceiling has a
maximum heating capacity of about 40 W/ ft² (430 W/m</span><span lang=EN-GB
style='font-size:7.0pt;font-family:TimesNewRomanPSMT'>2</span><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>) and a maximum heating<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>capacity of about 100 W/
ft² (1075 W/m</span><span lang=EN-GB style='font-size:7.0pt;font-family:TimesNewRomanPSMT'>2</span><span
lang=EN-GB style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>) (Babiak et
al. 2009). *<b>a maximum _<i>heating</i>_ capacity of 430 W/m2 and a maximum _<i>heating</i>_
capacity of 1075 W/m2, which one shall I choose :$</b>*<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>*<b>suspended timber
floors can be heated but offer lower W/m2 than concrete/ screed systems</b>* <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'>*<b>profiled concrete
soffits can offer further cooling advantages</b>*<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span lang=EN-GB
style='font-size:11.0pt;font-family:TimesNewRomanPSMT'><o:p> </o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><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>Bishop, Bill<br>
<b>Sent:</b> 30 December 2009 15:57<br>
<b>To:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> [Bldg-sim] 50% Energy Savings Design for Medium Office
Buildings - free resource<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Hi
All,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Just
an FYI on a recent publication (Sept. 09) available for free online:<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>“Technical
Support Document: 50% Energy Savings Design Technology Packages for Medium
Office Buildings”<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><a
href="http://www.pnl.gov/main/publications/external/technical_reports/PNNL-18774.pdf">http://www.pnl.gov/main/publications/external/technical_reports/PNNL-18774.pdf</a><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I
just glanced through it (138 page document – 1.2MB file) but I see a lot
of good stuff on efficient design and energy modeling.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Good
explanations on modeling baseline and proposed models using ASHRAE Standard
90.1, with specifics on radiant heating and cooling,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>DOAS,
VAV and many of the ECMs that would typically be considered for an
energy-efficient design.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>There
are lots of tips for EnergyPlus users, since that’s what was used for the
modeling, but much of the document applies to anyone modeling<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>ASHRAE
90.1 baselines and subsequent conservation measures.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Cheers,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Bill<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Franklin Gothic Medium","sans-serif";
color:black'>William Bishop, EIT, LEED<sup>®</sup> AP </span></b><b><span
style='font-size:10.0pt;font-family:"Franklin Gothic Medium","sans-serif";
color:#006600'>|</span></b><b><span style='font-size:10.0pt;font-family:"Franklin Gothic Medium","sans-serif";
color:black'> Pathfinder Engineers & Architects LLP<o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'>Mechanical Engineer<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:5.0pt;font-family:"Arial","sans-serif";
color:black'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>134
South Fitzhugh Street</span><span style='font-size:9.0pt'><br>
</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>Rochester,
NY 14608</span><span style='font-size:9.0pt'><br>
</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>T: (585)
325-6004 <span style='color:black'>Ext. 114</span></span><span
style='font-size:9.0pt'><br>
</span><span style='font-size:9.0pt;font-family:"Arial","sans-serif"'>F: (585)
325-6005<span style='color:black'><o:p></o:p></span></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'>wbishop@pathfinder-ea.com<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Arial","sans-serif";
color:black'>www.pathfinder-ea.com</span><o:p></o:p></p>
<p class=MsoNormal><span style='font-size:18.0pt;font-family:Webdings;
color:green'>P</span><span style='color:green'> </span><span style='font-size:
7.5pt;color:green'>Please strive to live sustainably.</span>
<span style='color:green'><o:p></o:p></span></p>
<p class=MsoNormal><o:p> </o:p></p>
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