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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Oh wow, good to know! I’ll re-revise the procedure I’ve written up for my next chiller baseline!<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 to GBCI for internally ruling this in a way to grant extra performance/points, I suppose!<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">~Nick<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>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><img width="119" height="37" id="_x0000_i1027" src="cid:image001.jpg@01CEEB66.339EF4D0" alt="cid:489575314@22072009-0ABB"></span><b><span style="font-size:11.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E"><o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-family:"Stylus BT","sans-serif";color:#2D4D5E">NICK CATON, P.E.<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:#CC9900">SENIOR ENGINEER<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:#CC9900"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">Smith & Boucher Engineers</span><span style="font-size:7.5pt;color:#CC9900"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">25501 west valley parkway, suite 200<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">olathe, ks 66061<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">direct 913.344.0036<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">fax 913.345.0617<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span style="font-size:10.0pt">www.smithboucher.com</span></a></span><u><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:blue">
</span></u><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<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""> James Hansen [mailto:JHANSEN@ghtltd.com]
<br>
<b>Sent:</b> Wednesday, November 27, 2013 11:41 AM<br>
<b>To:</b> Nick Caton; Christian Kaltreider; Bishop, Bill; Joe Fleming; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> RE: [Equest-users] App G Baseline CHW Pump Power<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">For what it's worth, I've used 22 W / gpm for each system (primary and secondary) for the past few LEED projects, and have not had any comments, given that
the LEED "Revised Section 1 4 Table" from Dec 2012 specifically lists that the primary and secondary pumping system should be at 22 W / gpm. By the way, if you're not using the Table 1.4 excel spreadsheet to document EAp2/EAc1, you should, because it makes
it way easier for GBCI to review your model, and it minimizes the chance and/or severity of comments.
<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>
<table class="MsoNormalTable" border="0" cellspacing="0" cellpadding="0" width="903" style="width:677.0pt;margin-left:-.65pt;border-collapse:collapse">
<tbody>
<tr style="height:12.75pt">
<td width="172" style="width:129.0pt;border:solid gray 1.0pt;padding:0in 5.4pt 0in 5.4pt;height:12.75pt">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">CHW Loop Configuration<o:p></o:p></span></p>
</td>
<td width="291" valign="top" style="width:218.0pt;border:solid gray 1.0pt;border-left:none;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:12.75pt">
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Calibri","sans-serif";color:#404040">Primary/secondary per G3.1.3.10<o:p></o:p></span></p>
</td>
<td width="220" colspan="2" style="width:165.0pt;border-top:solid gray 1.0pt;border-left:none;border-bottom:solid gray 1.0pt;border-right:none;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:12.75pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
</td>
<td width="220" colspan="2" style="width:165.0pt;border:solid gray 1.0pt;border-right:none;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:12.75pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
</td>
</tr>
<tr style="height:25.5pt">
<td width="172" style="width:129.0pt;border:solid gray 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:25.5pt">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">Number of Primary CHW Pumps<o:p></o:p></span></p>
</td>
<td width="291" valign="top" style="width:218.0pt;border-top:none;border-left:none;border-bottom:solid gray 1.0pt;border-right:solid gray 1.0pt;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:25.5pt">
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Calibri","sans-serif";color:#404040">1 per chiller per G3.1.3.11<o:p></o:p></span></p>
</td>
<td width="172" style="width:129.0pt;border:none;border-bottom:solid gray 1.0pt;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:25.5pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
</td>
<td width="48" style="width:.5in;border:solid gray 1.0pt;border-top:none;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:25.5pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">#<o:p></o:p></span></p>
</td>
<td width="172" style="width:129.0pt;border:none;border-bottom:solid gray 1.0pt;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:25.5pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
</td>
<td width="48" style="width:.5in;border:solid gray 1.0pt;border-top:none;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:25.5pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">#<o:p></o:p></span></p>
</td>
</tr>
<tr style="height:12.75pt">
<td width="172" style="width:129.0pt;border:solid gray 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:12.75pt">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">Primary CHW Pump Power<o:p></o:p></span></p>
</td>
<td width="291" valign="top" style="width:218.0pt;border-top:none;border-left:none;border-bottom:solid gray 1.0pt;border-right:solid gray 1.0pt;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:12.75pt">
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:red">22 W/gpm per G3.1.3.10<o:p></o:p></span></b></p>
</td>
<td width="172" style="width:129.0pt;border:none;border-bottom:solid gray 1.0pt;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:12.75pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
</td>
<td width="48" style="width:.5in;border:solid gray 1.0pt;border-top:none;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:12.75pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F"> <o:p></o:p></span></p>
</td>
<td width="172" style="width:129.0pt;border:none;border-bottom:solid gray 1.0pt;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:12.75pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
</td>
<td width="48" style="width:.5in;border:solid gray 1.0pt;border-top:none;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:12.75pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">W/gpm<o:p></o:p></span></p>
</td>
</tr>
<tr style="height:22.5pt">
<td width="172" style="width:129.0pt;border:solid gray 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:22.5pt">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">Primary CHW Pump Flow<o:p></o:p></span></p>
</td>
<td width="291" valign="top" style="width:218.0pt;border-top:none;border-left:none;border-bottom:solid gray 1.0pt;border-right:solid gray 1.0pt;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:22.5pt">
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Calibri","sans-serif";color:#404040">Auto-sized with a capacity ratio of 1.0 based on CHW temperatures<o:p></o:p></span></p>
</td>
<td width="172" style="width:129.0pt;border:none;border-bottom:solid gray 1.0pt;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:22.5pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
</td>
<td width="48" style="width:.5in;border:solid gray 1.0pt;border-top:none;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:22.5pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">gpm<o:p></o:p></span></p>
</td>
<td width="172" style="width:129.0pt;border:none;border-bottom:solid gray 1.0pt;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:22.5pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
</td>
<td width="48" style="width:.5in;border:solid gray 1.0pt;border-top:none;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:22.5pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">gpm<o:p></o:p></span></p>
</td>
</tr>
<tr style="height:30.75pt">
<td width="172" style="width:129.0pt;border:solid gray 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:30.75pt">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">Primary CHW Pump Control<o:p></o:p></span></p>
</td>
<td width="291" valign="top" style="width:218.0pt;border-top:none;border-left:none;border-bottom:solid gray 1.0pt;border-right:solid gray 1.0pt;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:30.75pt">
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Calibri","sans-serif";color:#404040">Constant Flow - each primary pump interlocked to operate with associated chiller - G3.1.3.10, G3.1.3.11<o:p></o:p></span></p>
</td>
<td width="220" colspan="2" style="width:165.0pt;border:none;border-bottom:solid gray 1.0pt;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:30.75pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
</td>
<td width="220" colspan="2" style="width:165.0pt;border-top:none;border-left:solid gray 1.0pt;border-bottom:solid gray 1.0pt;border-right:none;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:30.75pt">
<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
</td>
</tr>
<tr style="height:50.25pt">
<td width="172" style="width:129.0pt;border:solid gray 1.0pt;border-top:none;padding:0in 5.4pt 0in 5.4pt;height:50.25pt">
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">Number of Secondary CHW Pumps<o:p></o:p></span></p>
</td>
<td width="291" valign="top" style="width:218.0pt;border-top:none;border-left:none;border-bottom:solid gray 1.0pt;border-right:solid gray 1.0pt;background:#D8D8D8;padding:0in 5.4pt 0in 5.4pt;height:50.25pt">
<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Calibri","sans-serif";color:#404040">1 per G3.1.3.10<o:p></o:p></span></p>
</td>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">#<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">#<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">Secondary CHW Pump Power<o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:red">22 W/gpm per G3.1.3.10<o:p></o:p></span></b></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">W/gpm<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">W/gpm<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">Secondary CHW Pump Flow<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Calibri","sans-serif";color:#404040">Auto-sized with a capacity ratio of 1.0 based on CHW temperatures<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">gpm<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">gpm<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:black">Secondary CHW Pump Control<o:p></o:p></span></p>
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<p class="MsoNormal"><b><i><span style="font-size:8.0pt;font-family:"Calibri","sans-serif";color:#333333"><300 tons:</span></i></b><span style="font-size:8.0pt;font-family:"Calibri","sans-serif";color:#333333"> riding the pump curve<br>
<b><i>≥300 tons:</i></b> variable speed<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F"> <o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F">N/A<o:p></o:p></span></p>
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<p class="MsoNormal" align="center" style="text-align:center"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#7F7F7F"> <o:p></o:p></span></p>
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<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">Regardless of how ASHRAE has ruled, GBCI makes it pretty clear that you should use 22 W / gpm for both primary and secondary loop pumps.<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>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#4D4F53">GHT Limited<o:p></o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#0C3844">James Hansen, PE, LEED AP, BEMP<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#0C3844">Senior Associate<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#0C3844">1110 N. Glebe Road, Suite 300<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#0C3844">Arlington, VA 22201<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#0C3844">703.243.1200 (main)<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#0C3844">703.338.5754 (direct/cell)<o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="http://www.ghtltd.com"><b><span style="font-size:10.0pt;color:#C4BA00;text-decoration:none">www.ghtltd.com</span></b></a></span><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#C4BA00"><o:p></o:p></span></b></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<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"">
<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a> [<a href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Nick Caton<br>
<b>Sent:</b> Wednesday, November 27, 2013 12:32 PM<br>
<b>To:</b> Christian Kaltreider; 'Bishop, Bill'; 'Joe Fleming'; <a href="mailto:equest-users@lists.onebuilding.org">
equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] App G Baseline CHW Pump Power<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks for bringing that back up - I thought this remained an ambiguous/grey area indefinitely.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">As to potential for squeezing extra performance via power distribution between pumps… I’ve never considered that, but to share my anecdotal experience I typically
just dump all the power on the secondary pumps and make the primary pumps “powerless” for simplicity’s sake in documentation/QC. I suppose for variable-secondary cases that approach might miss out on some baseline energy that would otherwise be burned by
a CV primary…</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">A “logical” approach would be to proportion the ‘system’ 22W/GPM by a ratio to match the pump sizing in the actual design.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">That said, I’ve never been told to proportion my pump energies any differently than my simplified approach of dumping it all in one place.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hope that helps =),</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">~Nick</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<div>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><img border="0" width="119" height="37" id="_x0000_i1025" src="cid:image001.jpg@01CEEB66.339EF4D0" alt="cid:489575314@22072009-0ABB"></span><o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E"> </span></b><o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-family:"Stylus BT","sans-serif";color:#2D4D5E">NICK CATON, P.E.</span></b><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:#CC9900">SENIOR ENGINEER</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Calibri","sans-serif";color:#CC9900"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">Smith & Boucher Engineers</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">25501 west valley parkway, suite 200</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">olathe, ks 66061</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">direct 913.344.0036</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#2D4D5E">fax 913.345.0617</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="http://www.smithboucher.com">www.smithboucher.com</a></span><u><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:blue">
</span></u><o:p></o:p></p>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<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"">
<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a> [<a href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Christian Kaltreider<br>
<b>Sent:</b> Monday, November 25, 2013 2:26 PM<br>
<b>To:</b> 'Bishop, Bill'; 'Joe Fleming'; <a href="mailto:equest-users@lists.onebuilding.org">
equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] App G Baseline CHW Pump Power</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Yes, that lays it out pretty clearly. 22 W/GPM system total.
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I wonder if future 90.1 versions will prevent gaming of the system (intentional or not) by offering guidance on power allocation among pumps?
</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks for the helpful replies,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Christian</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></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""> Bishop, Bill [<a href="mailto:bbishop@pathfinder-ea.com">mailto:bbishop@pathfinder-ea.com</a>]
<br>
<b>Sent:</b> Monday, November 25, 2013 2:11 PM<br>
<b>To:</b> Joe Fleming; 'Christian Kaltreider'; <a href="mailto:equest-users@lists.onebuilding.org">
equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> RE: [Equest-users] App G Baseline CHW Pump Power</span><o:p></o:p></p>
</div>
</div>
<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Christian,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Confirming what Joe says, an
<a href="https://www.ashrae.org/File%20Library/docLib/StdsInterpretations/IC-90-1-2007-14.pdf">
ASHRAE interpretation</a> clarified that 22W/gpm is the total power of all baseline CHW pumps.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Regards,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Bill</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<div>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Franklin Gothic Medium","sans-serif";color:black">William Bishop, PE, BEMP, BEAP, LEED 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</span></b><o:p></o:p></p>
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<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:black">Senior Energy Engineer</span></b><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D">134 South Fitzhugh Street</span><span style="font-size:9.0pt;color:#1F497D">
</span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D">Rochester, NY 14608</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D">T: (585) 325-6004
</span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:black">Ext. 114</span><span style="color:#1F497D">
</span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#1F497D">F: (585) 325-6005</span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="mailto:wbishop@pathfinder-ea.com"><span style="font-size:9.0pt;font-family:"Arial","sans-serif"">bbishop@pathfinder-ea.com</span></a></span><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:black">
</span><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a href="http://www.pathfinder-ea.com/"><span style="font-size:9.0pt;font-family:"Arial","sans-serif"">www.pathfinder-ea.com</span></a></span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:14.0pt;font-family:Webdings;color:green">P</span><span style="font-size:14.0pt;color:green">
</span><span style="font-size:7.5pt;color:green">Sustainability – the forest AND the trees.</span><span style="font-size:18.0pt;font-family:Webdings;color:green">
</span><span style="font-size:14.0pt;font-family:Webdings;color:green">P</span><span style="font-size:14.0pt;font-family:"Calibri","sans-serif";color:green"> </span><span style="font-size:14.0pt;color:green"> </span><span style="font-size:14.0pt;font-family:Webdings;color:green">
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<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"">
<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a> [<a href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Joe Fleming<br>
<b>Sent:</b> Monday, November 25, 2013 2:07 PM<br>
<b>To:</b> 'Christian Kaltreider'; <a href="mailto:equest-users@lists.onebuilding.org">
equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] App G Baseline CHW Pump Power</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Almost certain that the GBCI interprets it as a whole system divvy, not each pump with 22W/GPM.</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Regards</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Corbel","sans-serif";color:#1F497D">Joe Fleming
</span></b><span style="font-size:11.0pt;font-family:"Corbel","sans-serif";color:#1F497D">|<b>
</b>PE, LEED AP BD+C, BEMP</span><o:p></o:p></p>
<p class="MsoNormal"><i><span style="font-size:11.0pt;font-family:"Corbel","sans-serif";color:#1F497D">Commissioning Agent / Energy Modeler
</span></i><span style="font-size:11.0pt;font-family:"Corbel","sans-serif";color:#1F497D">|
</span><b><span style="font-size:11.0pt;font-family:"Corbel","sans-serif";color:#5B960C">The Spinnaker Group</span></b><o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Corbel","sans-serif";color:#1F497D">561.602.3132 |</span></b><b><span style="font-size:11.0pt;font-family:"Corbel","sans-serif";color:#7F7F7F">
</span></b><b><span style="font-size:11.0pt;font-family:"Corbel","sans-serif";color:#1F497D"><a href="mailto:joe@thespinnakergroupinc.com">joe@thespinnakergroupinc.com</a></span></b><span style="font-size:11.0pt;font-family:"Corbel","sans-serif";color:#7F7F7F"> </span><o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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<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"">
<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a> [<a href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Christian Kaltreider<br>
<b>Sent:</b> Monday, November 25, 2013 2:01 PM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> [Equest-users] App G Baseline CHW Pump Power</span><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hello,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">In November 2010, around the same time someone was modeling a building that looked like a turkey, there was a conversation on this list about baseline CHW pump
power:</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><a href="http://lists.onebuilding.org/htdig.cgi/equest-users-onebuilding.org/2010-November/006941.html">http://lists.onebuilding.org/htdig.cgi/equest-users-onebuilding.org/2010-November/006941.html</a><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Part of the discussion was some back and forth about how to apply G 3.1.3.10. This section calls for baseline pump power to equal 22W/GPM and for the CHW pumping
configuration to be primary/secondary. Some had the opinion that each pump (primary and secondary loops) should have 22 W/GPM assigned to it, while others thought that the total CHW pump system power should sum to 22 W/GPM, and that it was up to the modeler
to divvy up the power among pumps as they see fit. I did not see a clear conclusion. </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Does anyone know if a general consensus was reached?</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks,</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Christian</span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#595959">Christian Kaltreider, LEED AP</span></b><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#595959"> | Energy Analyst</span><o:p></o:p></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#4F6228">Sud Associates, P.A.</span></b><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#595959"> | T 828.255.4691 | F 828.255.4949 |
<a href="http://www.sudassociates.com">www.sudassociates.com</a></span><o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> </span><o:p></o:p></p>
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