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    <div class="moz-cite-prefix">It seems to just sum them up in cell
      M29.  Is that what you meant, Maria?  I don't see any
      calculations, they just ask for you to input the fan power.<br>
      <br>
      <br>
      Am I missing something?<br>
      <br>
      <br>
      <pre class="moz-signature" cols="72">Robert Wichert P.Eng. LEED AP BD&C
+1 916 966 9060
FAX +1 916 966 9068







===============================================
</pre>
      On 3/25/2013 8:24 AM, Maria Karpman wrote:<br>
    </div>
    <blockquote
      cite="mid:006001ce296c$e48ebe90$adac3bb0$@karpmanconsulting.net"
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        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">FYI,
            the newest LEED EAp2 spreadsheet (attached) has embedded
            calculations for the baseline fan power on Air-Side HVAC
            Details tab, which I think is quite handy.<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">Maria
            <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";color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
                <a class="moz-txt-link-abbreviated" href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>
                [<a class="moz-txt-link-freetext" href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>] <b>On
                  Behalf Of </b>Bishop, Bill<br>
                <b>Sent:</b> Monday, March 25, 2013 11:01 AM<br>
                <b>To:</b> RobertWichert; Nick Caton;
                <a class="moz-txt-link-abbreviated" href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
                <b>Subject:</b> Re: [Equest-users] Baseline Fan power
                calculation<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">Robert,<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’m
            sure Nick is typing furiously as I write this, but I’ll
            probably finish before him.<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">Taking
            a quick look at the spreadsheet that Nick attached to his
            email, it calculates baseline fan power using the method
            described in Appendix G and 6.5.3.1.1. Fan efficiency is
            included in the P<sub>fan</sub> calculation per G3.1.2.9.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Fan
            efficiency is from ASHRAE 90.1, Table 10.8 as described in
            G3.1.2.9.<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">Regards,<o:p></o:p></span></p>
        <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Bill<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"><b><span
                style="font-size:10.0pt;font-family:"Franklin
                Gothic Medium","sans-serif"">William
                Bishop, PE, BEMP, 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""> 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"">Senior
              Energy Engineer<o:p></o:p></span></p>
          <p class="MsoNormal"><span
style="font-size:5.0pt;font-family:"Arial","sans-serif""><o:p> </o:p></span></p>
          <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<o:p></o:p></span></p>
          <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"">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><span
style="font-size:9.0pt;font-family:"Arial","sans-serif""><o:p></o:p></span></p>
          <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a
                moz-do-not-send="true"
                href="mailto:wbishop@pathfinder-ea.com"><span
style="font-size:9.0pt;font-family:"Arial","sans-serif"">wbishop@pathfinder-ea.com</span></a></span><span
style="font-size:9.0pt;font-family:"Arial","sans-serif"">          
            </span><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a
                moz-do-not-send="true"
                href="http://www.pathfinder-ea.com/"><span
style="font-size:9.0pt;font-family:"Arial","sans-serif"">www.pathfinder-ea.com</span></a></span><span
style="font-size:9.0pt;font-family:"Arial","sans-serif""><o:p></o:p></span></p>
          <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:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p></o:p></span></p>
        </div>
        <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";color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
                <a moz-do-not-send="true"
                  href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>
                [<a moz-do-not-send="true"
                  href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
                <b>On Behalf Of </b>RobertWichert<br>
                <b>Sent:</b> Monday, March 25, 2013 10:52 AM<br>
                <b>To:</b> Nick Caton; <a moz-do-not-send="true"
                  href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
                <b>Subject:</b> Re: [Equest-users] Baseline Fan power
                calculation<o:p></o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal"><o:p> </o:p></p>
        <div>
          <p class="MsoNormal" style="margin-bottom:12.0pt">I believe I
            have written about this in the past, but since this seems to
            be on-topic, I'll bring it up again.<br>
            <br>
            The theoretical fan power equation, Fan BHP = (cfm x static
            press "w.c.) / (6356 x fan efficiency) can be used to
            calculate the theoretical fan BHP, but you need the fan
            efficiency.  This seems to be NOT the way the BHP is being
            calculated by the spreadsheet that was attached previously.<br>
            <br>
            Is there a reason for that?<br>
            <br>
            Was there an assumed fan efficiency used in the spreadsheet,
            and was it based on anything particular, or just a
            conservative assumption?<br>
            <br>
            <br>
            Thanks!<br>
            <br>
            <br>
            <br>
            <o:p></o:p></p>
          <pre>Robert Wichert P.Eng. LEED AP BD&C<o:p></o:p></pre>
          <pre>+1 916 966 9060<o:p></o:p></pre>
          <pre>FAX +1 916 966 9068<o:p></o:p></pre>
          <pre><o:p> </o:p></pre>
          <pre><o:p> </o:p></pre>
          <pre><o:p> </o:p></pre>
          <pre><o:p> </o:p></pre>
          <pre><o:p> </o:p></pre>
          <pre><o:p> </o:p></pre>
          <pre><o:p> </o:p></pre>
          <pre>===============================================<o:p></o:p></pre>
          <p class="MsoNormal">On 3/25/2013 7:34 AM, Nick Caton wrote:<o:p></o:p></p>
        </div>
        <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
          <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi
              Vamshi,</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
              advise carefully reviewing the footnotes under Table
              6.5.3.1.1A, which include procedure for determining
              baseline fan power adjustments.</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="MsoListParagraph"
            style="text-indent:-.25in;mso-list:l0 level1 lfo2"><!--[if !supportLists]--><span
              style="mso-list:Ignore">1.<span style="font:7.0pt
                "Times New Roman"">      </span></span><!--[endif]--><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">P<sub>fan</sub>
              represents the sum power of all fans in a given baseline
              system (with exception to baseline systems #6/#8, fan
              powered VAV boxes).</span><o:p></o:p></p>
          <p class="MsoListParagraph"
            style="text-indent:-.25in;mso-list:l0 level1 lfo2"><!--[if !supportLists]--><span
              style="mso-list:Ignore">2.<span style="font:7.0pt
                "Times New Roman"">      </span></span><!--[endif]--><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Again,
              there is not a separate supply/return power calculation
              (see answer #1).  You can however account for adjustments
              present in separate airstreams from the proposed design. 
            </span><o:p></o:p></p>
          <p class="MsoListParagraph"
            style="text-indent:-.25in;mso-list:l0 level1 lfo2"><!--[if !supportLists]--><span
              style="mso-list:Ignore">3.<span style="font:7.0pt
                "Times New Roman"">      </span></span><!--[endif]--><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Probably
              not.  Review the difference between CFM<sub>S</sub> and
              CFM<sub>D</sub> carefully at the cited Table.  A CFM
              quantity representing the airflow each element encounters
              (CFM<sub>D</sub>) should be applied against each pressure
              drop adjustment, not an ‘aggregate’ of supply+return.  </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">You
              may also find the attached resource published by 7group
              helpful to cement your procedural understanding of how to
              arrive at the sum total for “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>
          <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>
          <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"><img
                id="Picture_x0020_1"
                src="cid:part6.05070201.02090204@wichert.org"
                alt="cid:489575314@22072009-0ABB" height="37"
                width="119" border="0"></span><o:p></o:p></p>
          <p class="MsoNormal"><b><span style="font-size:11.0pt"> </span></b><o:p></o:p></p>
          <p class="MsoNormal"><b>NICK CATON, P.E.</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:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><a
                moz-do-not-send="true" 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><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:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
              <a moz-do-not-send="true"
                href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>
              [<a moz-do-not-send="true"
                href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
              <b>On Behalf Of </b>vamshi ranga<br>
              <b>Sent:</b> Monday, March 25, 2013 8:17 AM<br>
              <b>To:</b> <a moz-do-not-send="true"
                href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
              <b>Subject:</b> [Equest-users] Baseline Fan power
              calculation</span><o:p></o:p></p>
          <p class="MsoNormal"> <o:p></o:p></p>
          <p class="MsoNormal">Hi All,<o:p></o:p></p>
          <div>
            <p class="MsoNormal"> <o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">I have a doubt regarding calculating
              fan power as per ASHRAE 90.1-2007.<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"> <o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">My proposed system has, supply return
              and exhaust fans separately with kW and cfm mentioned for
              each fan.<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"> <o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">So, for calculating baseline fan
              power, <o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"> <o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">1. should I calculate it separately for
              each fan type? <o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">2. can I take pressure drop adjustment
              both in supply and return fan power calculation?<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">3. should I sum all the cfms of supply,
              return and exhaust and than apply pressure drop
              adjustments to aggregated cfm.<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"> <o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">Kindly help me out in solving the
              doubt. If you have any example fan power calculations, or
              web links those could guide me regarding this, plz do
              share them.<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"> <o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">Thanks in advance.<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal"> <o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">Regards,<o:p></o:p></p>
          </div>
          <div>
            <p class="MsoNormal">Vamshi.<o:p></o:p></p>
          </div>
          <p class="MsoNormal" style="margin-bottom:12.0pt"><br>
            <br>
            <o:p></o:p></p>
          <pre>_______________________________________________<o:p></o:p></pre>
          <pre>Equest-users mailing list<o:p></o:p></pre>
          <pre><a moz-do-not-send="true" href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a><o:p></o:p></pre>
          <pre>To unsubscribe from this mailing list send  a blank message to <a moz-do-not-send="true" href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a><o:p></o:p></pre>
        </blockquote>
        <p class="MsoNormal"><o:p> </o:p></p>
        <div class="MsoNormal" style="text-align:center" align="center"><span
            style="color:windowtext">
            <hr style="color:#A0A0A0" noshade="noshade" size="1"
              width="100%" align="center"></span></div>
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          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
            style="color:windowtext">No virus found in this message.<br>
            Checked by AVG - <a moz-do-not-send="true"
              href="http://www.avg.com">www.avg.com</a><br>
            Version: 2012.0.2240 / Virus Database: 2641/5703 - Release
            Date: 03/25/13<o:p></o:p></span></p>
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