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<title>Re: [Bldg-sim] Apendix G3.1.2.9</title>
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<div class=Section1>
<p class=MsoNormal><span style='color:#1F497D'>Peter---<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>Are you using eQUEST for
modeling? If so, you can right click in the “Static in WG” box and hit “Restore
Default”. This will enable the “Design kW/CFM” input field.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:#DB824A'>Andrew Craig </span></b><b><span style='font-size:6.0pt;
font-family:"Arial","sans-serif";color:#DB824A'>EIT, LEED AP<br>
</span></b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:#4D4D4D'>Mechanical Designer / Energy Analyst<br>
</span><span style='font-size:2.0pt;font-family:"Arial","sans-serif";
color:#4D4D4D'><br>
</span><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:#DB824A'>INTERFACE ENGINEERING<br>
email </span></b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:#4D4D4D'><a href="mailto:andrewc@interfaceeng.com"><span
style='color:#4D4D4D;text-decoration:none'>andrewc@interfaceeng.com</span></a><br>
</span><b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:#DB824A'>direct </span></b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:#4D4D4D'>503.382.2696<br>
<br>
<br>
<o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='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>W. Peter
Anderson<br>
<b>Sent:</b> Wednesday, March 24, 2010 2:45 PM<br>
<b>To:</b> Kevin Kyte; Fareed Syed; Gregg Liddick;
Kimberly@NorthernArchitects.com; bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] Apendix G3.1.2.9- More questions<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I
am working on a model doing the exact same thing for LEEDS baseline. I
have calculated my Pfan but cant seem to input it or get the correct
outputs. </span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>The
model wont allow me to enter anything in the kW/cfm screen. My equipment
is a PSZ</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Should
I adjust the Static Pressures and efficiencies to get the same value?</span><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Regards,</span><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>W.
Peter Anderson, P.E<br>
JP Engineering<br>
41 Mechanic Street<br>
Windsor, CT 06095<br>
Ph: 860/688-5223<br>
Fax: 860/688-5269</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
</div>
<blockquote style='border:none;border-left:solid black 1.5pt;padding:0in 0in 0in 4.0pt;
margin-left:3.75pt;margin-top:5.0pt;margin-right:0in;margin-bottom:5.0pt'>
<div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>-----
Original Message ----- <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal style='background:#E4E4E4'><b><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'>From:</span></b><span style='font-size:10.0pt;
font-family:"Arial","sans-serif"'> <a href="mailto:KKyte@watts-ae.com"
title="KKyte@watts-ae.com">Kevin Kyte</a> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>To:</span></b><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'> <a
href="mailto:syedf@progressiveae.com" title="syedf@progressiveae.com">Fareed
Syed</a> ; <a href="mailto:gliddick@theepstengroup.com"
title="gliddick@theepstengroup.com">Gregg Liddick</a> ; <a
href="mailto:Kimberly@NorthernArchitects.com"
title="Kimberly@NorthernArchitects.com">Kimberly@NorthernArchitects.com</a> ; <a
href="mailto:bldg-sim@lists.onebuilding.org"
title="bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a> <o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Sent:</span></b><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'> Wednesday, March 24,
2010 4:19 PM<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Subject:</span></b><span
style='font-size:10.0pt;font-family:"Arial","sans-serif"'> Re: [Bldg-sim]
Apendix G3.1.2.9<o:p></o:p></span></p>
</div>
<div>
<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p>
</div>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Fareed,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Set your supply air to room temp delta t equivalent to 20F.
Run the sim, if I am not mistaken this should generate usable airflow
quantities to be used in point 9. Make sure you have oversizing in place
before any of this. I have not been told this but I think G is set up to
be done step by step from the beginning. In some instances you need to
update your model in order to proceed with the next step. Good luck.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Kevin<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'><o:p> </o:p></span></p>
<div>
<div class=MsoNormal align=center style='text-align:center'><span
style='font-size:12.0pt;font-family:"Times New Roman","serif"'>
<hr size=2 width="100%" align=center>
</span></div>
<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"'> Fareed Syed
[mailto:syedf@progressiveae.com] <br>
<b>Sent:</b> Wednesday, March 24, 2010 9:29 AM<br>
<b>To:</b> Gregg Liddick; <a href="mailto:Kimberly@NorthernArchitects.com">Kimberly@NorthernArchitects.com</a>;
<a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Bldg-sim] Apendix G3.1.2.9</span><span style='font-size:
12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Segoe UI","sans-serif";
color:#1F497D'>Hi Greg,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Segoe UI","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Segoe UI","sans-serif";
color:#1F497D'>My basic question is which cfm do I take to calculate Pfan? Just
the supply to come up with kW/cfm or sum of supply, return, relief, and exhaust
fans?<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Segoe UI","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Segoe UI","sans-serif";
color:#1F497D'>Thanks,<o:p></o:p></span></p>
<p class=MsoNormal>Fareed Syed EIT, LEED<sup>®</sup> AP<o:p></o:p></p>
<p class=MsoNormal>Mechanical Engineer<b> </b><br>
<img border=0 width=200 height=40 id="_x0000_i1027"
src="cid:image001.jpg@01CACB71.02C75000"
alt="cid:image001.png@01C9B834.C9D7E7F0"> <o:p></o:p></p>
<p class=MsoNormal>1811 4 Mile Rd NE<br>
Grand Rapids, MI 49525<o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>Phone: 616.361.2664 ext. 3247<br>
Direct: 616.447.3447<br>
Fax: 616.361.1493 <o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><a
href="mailto:syedf@progressiveae.com">syedf@progressiveae.com</a><br>
<a href="http://www.progressiveae.com/">www.progressiveae.com</a><span
style='font-size:10.0pt;font-family:"Segoe UI","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Segoe UI","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Segoe UI","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"'> Gregg Liddick
[mailto:gliddick@theepstengroup.com] <br>
<b>Sent:</b> Wednesday, March 24, 2010 9:18 AM<br>
<b>To:</b> Kimberly@NorthernArchitects.com; Fareed Syed;
bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> RE: [Bldg-sim] Apendix G3.1.2.9<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>Hi Kim,<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>I’m fairly certain that there’s
no specific guidance in Appendix G. What most people do is break it up so
that it’s proportional to the proposed case. For example if the baseline fan
power is 34.5 kW and the actual parameters call for 20 kW supply and 10 kW
return you would break the baseline case up into 23 kW supply and 11.5 kW
return. I hope that helps.<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-family:"Times New Roman","serif";
color:black'>Gregg Liddick, EIT, LEED<sup>®</sup> AP</span><span
style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='color:black'> <o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:black'>The Epsten Group, Inc.</span><span style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:black'>429 Edgewood Avenue</span><span style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:black'>Atlanta GA 30312</span><span style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:black'>Phone: 404-577-0370 ext. 102</span><span
style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:black'>Fax: 404-577-1739</span><span style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Times New Roman","serif";
color:black'><a href="http://www.theepstengroup.com" target="_blank"><span
style='color:black'>www.theepstengroup.com</span></a></span><span
style='color:black'><o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'> <o:p></o:p></span></p>
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<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p>
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<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"'> Kimberly Killian
[mailto:Kimberly@NorthernArchitects.com] <br>
<b>Sent:</b> Wednesday, March 24, 2010 7:36 AM<br>
<b>To:</b> Gregg Liddick; syedf@progressiveae.com;
bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Bldg-sim] Apendix G3.1.2.9<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Gregg,<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Is
there guidance on what portion of the Pfan goes to each? What percentage goes
to supply, what percentage to return, etc?<o:p></o:p></span></p>
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<p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'> <o:p></o:p></span></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:12.0pt;
font-family:"Times New Roman","serif"'>Kimberly Killian<br>
Northern Architects, Inc.<br>
207 King Street Suite 3<br>
Burlington VT 05401<br>
T: 802-658-1953<br>
F: 802-658-2975<o:p></o:p></span></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:12.0pt;
font-family:"Times New Roman","serif"'>Original message<br>
From: "Gregg Liddick" <br>
To: syedf@progressiveae.com; bldg-sim@lists.onebuilding.org<br>
Received: 3/23/2010 5:24:39 PM<br>
Subject: Re: [Bldg-sim] Apendix G3.1.2.9<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'>No, you use only the fan supply
cfm to calculate the total fan power, then cut that fan power up into supply,
return, etc.</span><o:p></o:p></p>
<p class=MsoNormal><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='color:#1F497D'>Best Regards,</span><o:p></o:p></p>
<p class=MsoNormal><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal>Gregg Liddick, EIT, LEED<sup>®</sup> AP<span
style='color:black'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='color:black'> </span><o:p></o:p></p>
<p class=MsoNormal>The Epsten Group, Inc.<span style='color:black'> </span><o:p></o:p></p>
<p class=MsoNormal>429 Edgewood Avenue<span style='color:black'> </span><o:p></o:p></p>
<p class=MsoNormal>Atlanta GA 30312<span style='color:black'> </span><o:p></o:p></p>
<p class=MsoNormal>Phone: 404-577-0370 ext. 102<span
style='color:black'> </span><o:p></o:p></p>
<p class=MsoNormal>Fax: 404-577-1739<span style='color:black'> </span><o:p></o:p></p>
<p class=MsoNormal><a href="http://www.theepstengroup.com/" target="_blank"><span
style='color:black'>www.theepstengroup.com</span></a><span style='color:black'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal>Please consider the environment before printing this e-mail.<span
style='color:#1F497D'> </span><o:p></o:p></p>
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<p class=MsoNormal><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='color:#1F497D'> </span><o:p></o:p></p>
<p class=MsoNormal><span style='color:#1F497D'> </span><o:p></o:p></p>
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<p class=MsoNormal><b>From:</b> bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Fareed Syed<br>
<b>Sent:</b> Tuesday, March 23, 2010 5:11 PM<br>
<b>To:</b> bldg-sim@lists.onebuilding.org<br>
<b>Subject:</b> [Bldg-sim] Apendix G3.1.2.9<o:p></o:p></p>
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<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal>Hello All,<o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal>I am trying to understand the stated appendix for the
baseline model. <o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal>When I am calculating the Pfan for a system, do I need add
up supply, return, system and room exhaust cfm’s? <o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal>I got this comment from GBCI: “<i>R<span style='color:black'>evise
the sum of the supply, return, exhaust, and relief fans for each HVAC system to
be equal to the volume calculated in G3.1.2.8 and power calculated in G3.1.2.9
(where CFM refers to supply air volume).”</span> </i><o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal>Please let me know your input on how to calculate Pfan.<o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal>Thanks,<o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal>Fareed Syed EIT, LEED<sup>®</sup> AP<o:p></o:p></p>
<p class=MsoNormal>Mechanical Engineer<b> </b><br>
<img border=0 width=200 height=40 id="Picture_x005f_x0020_1"
src="cid:image001.jpg@01CACB71.02C75000"
alt="cid:image001.png@01C9B834.C9D7E7F0"> <o:p></o:p></p>
<p class=MsoNormal>1811 4 Mile Rd NE<br>
Grand Rapids, MI 49525<o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>Phone: 616.361.2664 ext. 3247<br>
Direct: 616.447.3447<br>
Fax: 616.361.1493 <o:p></o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><a
href="mailto:syedf@progressiveae.com">syedf@progressiveae.com</a><br>
<a href="http://www.progressiveae.com/">www.progressiveae.com</a><br>
<br>
<br>
<o:p></o:p></p>
<p class=MsoNormal> <o:p></o:p></p>
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