<div>Thanks Andrew,</div>
<div> </div>
<div>I did read this and we are according to this i have to change my system type to 7 from system 5 as I have district heating and cooling.</div>
<div>But I am worried about the hot water pump W/gpm specifically.</div>
<div>Should I just or Can I just go ahead and use 19 W/gpm.<br><br></div>
<div class="gmail_quote">On Thu, Mar 17, 2011 at 11:50 AM, Andrew Craig <span dir="ltr"><<a href="mailto:AndrewC@interfaceeng.com">AndrewC@interfaceeng.com</a>></span> wrote:<br>
<blockquote style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex" class="gmail_quote">
<div lang="EN-US" vlink="purple" link="blue">
<div>
<p class="MsoNormal"><span style="COLOR: #1f497d; FONT-SIZE: 11pt">Varun---</span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d; FONT-SIZE: 11pt"> </span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d; FONT-SIZE: 11pt">If you have purchased hot water in the proposed building and the project is pursuing LEED certification (which I assume it is) you need to use USGBC’s <i>Treatment of District or Campus Thermal Energy in LEED V2 and LEED 2009 – Design & Construction. </i>I’ve attached it as a reference. You basically have two options: 1.) building stand-alone scenario where only the downstream equipment is modeled and hot water is metered/purchased, or; 2.) aggregate building/DES scenario where the upstream equipment with its efficiencies or lack thereof are modeled in the proposed design against 90.1.</span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d; FONT-SIZE: 11pt"> </span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d; FONT-SIZE: 11pt">Regards,</span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d; FONT-SIZE: 11pt"> </span></p>
<p class="MsoNormal"><b><span style="COLOR: #db824a; FONT-SIZE: 7.5pt">Andrew Craig </span></b><b><span style="COLOR: #db824a; FONT-SIZE: 6pt">PE, LEED AP<br></span></b><span style="COLOR: #4d4d4d; FONT-SIZE: 7.5pt">Project Mechanical Engineer<br>
</span><span style="COLOR: #4d4d4d; FONT-SIZE: 2pt"><br></span><b><span style="COLOR: #db824a; FONT-SIZE: 7.5pt">INTERFACE ENGINEERING<br>email </span></b><span style="COLOR: #4d4d4d; FONT-SIZE: 7.5pt"><a href="mailto:andrewc@interfaceeng.com" target="_blank"><span style="COLOR: #4d4d4d; TEXT-DECORATION: none">andrewc@interfaceeng.com</span></a><br>
</span><b><span style="COLOR: #db824a; FONT-SIZE: 7.5pt">direct </span></b><span style="COLOR: #4d4d4d; FONT-SIZE: 7.5pt"><a href="tel:503.382.2696" target="_blank">503.382.2696</a><br></span><span style="COLOR: #4d4d4d; FONT-SIZE: 2pt"><br>
</span><b><span style="COLOR: #db824a; FONT-SIZE: 7.5pt"><a href="http://www.interfaceeng.com/" target="_blank"><span style="COLOR: #db824a">www.interfaceeng.com</span></a><br></span></b><span style="COLOR: #4d4d4d; FONT-SIZE: 2pt"><br>
<br></span></p>
<p class="MsoNormal"><span style="COLOR: #1f497d; FONT-SIZE: 11pt"> </span></p>
<p class="MsoNormal"><b><span style="FONT-SIZE: 10pt">From:</span></b><span style="FONT-SIZE: 10pt"> <a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a> [mailto:<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>varun kulkarni<br>
<b>Sent:</b> Thursday, March 17, 2011 8:02 AM<br><b>To:</b> <a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a><br><b>Subject:</b> [Bldg-sim] Hot water pumps (baseline)</span></p>
<div>
<div></div>
<div class="h5">
<p class="MsoNormal"> </p>
<div>
<p class="MsoNormal">Hello everyone,</p></div>
<div>
<p class="MsoNormal"> </p></div>
<div>
<p class="MsoNormal">User's manual for ASHRAE 90.1 says "For systems 1,5 and 7 (except for purchased hot water or steam), the baseline building design hot water pump power shall be 19 W/gpm". (page G-30)</p>
</div>
<div>
<p class="MsoNormal"> </p></div>
<div>
<p class="MsoNormal">I am confused if I have to use the proposed pumps in case I have purchased hot water.</p></div>
<div>
<p class="MsoNormal"> </p></div>
<div>
<p class="MsoNormal">The chilled water pumps are always (as i understand) modeled at 22 W/gpm. </p></div>
<div>
<p class="MsoNormal"> </p></div>
<div>
<p class="MsoNormal">-- </p></div>
<p style="MARGIN: 0in 0in 0pt"><a name="12ec48352ad93ebf_SafeHtmlFilter__MailAutoSig"><span>Thanks and Best Regards,</span></a></p>
<p style="MARGIN: 0in 0in 0pt"><span> </span></p>
<p style="MARGIN: 0in 0in 0pt"><span>Sincerely,</span></p>
<p style="MARGIN: 0in 0in 0pt"><span>Varun Kulkarni , M.S. , EIT</span></p>
<p style="MARGIN: 0in 0in 0pt"><span>RMF Engineering</span></p>
<p style="MARGIN: 0in 0in 0pt"><span>5520, Research Park Drive, Suite 300</span></p>
<p style="MARGIN: 0in 0in 0pt"><span>Baltimore, MD - 21228</span></p>
<p style="MARGIN: 0in 0in 0pt"><span> </span></p>
<p style="MARGIN: 0in 0in 0pt"><span>Office : <a href="tel:410-576-0505" target="_blank">410-576-0505</a> ext. 5352</span></p>
<p style="MARGIN: 0in 0in 0pt"><span>Mobile: <a href="tel:%28%2B1%29405-385-1928" target="_blank">(+1)405-385-1928</a></span></p>
<p style="MARGIN: 0in 0in 0pt"><span> </span></p>
<p style="MARGIN: 0in 0in 0pt"><span>Note: Please do not print, unless required.</span></p>
<p> </p>
<p class="MsoNormal"> </p></div></div></div></div></blockquote></div><br><br clear="all"><br>-- <br>
<p style="MARGIN: 0in 0in 0pt"><a name="SafeHtmlFilter__MailAutoSig"><span><font size="3"><font face="Calibri">Thanks and Best Regards,</font></font></span></a></p>
<p style="MARGIN: 0in 0in 0pt"><span><span><font size="3" face="Calibri"> </font></span></span></p>
<p style="MARGIN: 0in 0in 0pt"><span><span><font size="3"><font face="Calibri">Sincerely,</font></font></span></span></p>
<p style="MARGIN: 0in 0in 0pt"><span><span><font size="3"><font face="Calibri">Varun Kulkarni , M.S. , EIT</font></font></span></span></p>
<p style="MARGIN: 0in 0in 0pt"><span><span><font size="3"><font face="Calibri">RMF Engineering</font></font></span></span></p>
<p style="MARGIN: 0in 0in 0pt"><span><span><font size="3"><font face="Calibri">5520, Research Park Drive, Suite 300</font></font></span></span></p>
<p style="MARGIN: 0in 0in 0pt"><span><span><font size="3"><font face="Calibri">Baltimore, MD - 21228</font></font></span></span></p>
<p style="MARGIN: 0in 0in 0pt"><span><span><font size="3" face="Calibri"> </font></span></span></p>
<p style="MARGIN: 0in 0in 0pt"><span><span><font size="3"><font face="Calibri">Office : 410-576-0505 ext. 5352</font></font></span></span></p>
<p style="MARGIN: 0in 0in 0pt"><span><span><font size="3"><font face="Calibri">Mobile: (+1)405-385-1928</font></font></span></span></p>
<p style="MARGIN: 0in 0in 0pt"><span><span><font size="3" face="Calibri"> </font></span></span></p>
<p style="MARGIN: 0in 0in 0pt"><span><span><font size="3"><font face="Calibri">Note: Please do not print, unless required.</font></font></span></span></p>
<p> </p><br>