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<body lang=EN-US link=blue vlink=purple>

<div class=Section1>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>I have an engineer that’s designing a system, constant speed
pumps and two way valves. How do we model the system using eQuest or TRACE? The
engineer expects to have variable flow by riding the pump curve. <o:p></o:p></span></font></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>

<p class=MsoNormal><st1:PersonName w:st="on"><font size=3 face="Times New Roman"><span
 style='font-size:12.0pt'>Kara Hammond</span></font></st1:PersonName><font
size=3><span style='font-size:12.0pt'><o:p></o:p></span></font></p>

<p class=MsoNormal><b><span style='mso-bidi-theme-font:minor-bidi'><font
size=3 color="#225e30" face="Times New Roman"><span style='font-size:12.0pt;
color:#225E30;font-weight:bold'></span>Engineering Economics Inc</span></span></font></b><span
style='mso-bidi-theme-font:minor-bidi'><font size=3><span style='font-size:
12.0pt'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>

</span>

<p class=MsoNormal><span style='mso-bidi-theme-font:minor-bidi'><st1:Street
w:st="on"><st1:address w:st="on"><font size=3 face="Times New Roman"><span
  style='font-size:12.0pt'>780 Simms Street, Suite 210</span></font></st1:address></st1:Street><font
size=3><span style='font-size:12.0pt'><o:p></o:p></span></font></p>

</span>

<p class=MsoNormal><span style='mso-bidi-theme-font:minor-bidi'><st1:place
w:st="on"><st1:City w:st="on"><font size=3 face="Times New Roman"><span
  style='font-size:12.0pt'>Golden</span></font></st1:City><font size=3><span
 style='font-size:12.0pt'>, <st1:State w:st="on">Colorado</st1:State> <st1:PostalCode
 w:st="on">80401</st1:PostalCode></span></font></st1:place><font size=3><span
style='font-size:12.0pt'><o:p></o:p></span></font></p>

</span>

<p class=MsoNormal><span style='mso-bidi-theme-font:minor-bidi'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>T: 303.239.8700</span><o:p></o:p></span></font><span
style='mso-bidi-theme-font:
minor-bidi'></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>C: 303.884.9907</span><o:p></o:p></span></font><span style='mso-bidi-theme-font:
minor-bidi'></p>

<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>F: 303.239.9982</span><o:p></o:p></span></font><span style='mso-bidi-theme-font:
minor-bidi'></p>

<p class=MsoNormal><font size=3 color="#225e30" face="Times New Roman"><span
style='font-size:12.0pt;color:#225E30'><o:p> </o:p></span></font></p>

</span>

<p class=MsoNormal><span style='mso-bidi-theme-font:minor-bidi'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><a
href="http://www.eeiengineers.com/"><font color="#225e30"><span
style='color:#225E30'>www.eeiengineers.com</span></font></a></span><font
color="#225e30"><span style='color:#225E30'><o:p></o:p></span></font></span></font><span
style='mso-bidi-theme-font:
minor-bidi'></p>

<p class=MsoNormal><font size=2 face="Times New Roman"><span style='font-size:
11.0pt'></span></span><o:p> </o:p></font></p>

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