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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Varun---<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'>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.<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'><o:p> </o:p></span></p><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'>PE, LEED AP<br></span></b><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:#4D4D4D'>Project Mechanical Engineer<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></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'><a href="http://www.interfaceeng.com/"><span style='color:#DB824A'>www.interfaceeng.com</span></a><br></span></b><span style='font-size:2.0pt;font-family:"Arial","sans-serif";color:#4D4D4D'><br><br><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><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>varun kulkarni<br><b>Sent:</b> Thursday, March 17, 2011 8:02 AM<br><b>To:</b> bldg-sim@lists.onebuilding.org<br><b>Subject:</b> [Bldg-sim] Hot water pumps (baseline)<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal>Hello everyone,<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></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)<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>I am confused if I have to use the proposed pumps in case I have purchased hot water.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>The chilled water pumps are always (as i understand) modeled at 22 W/gpm. <o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>-- <o:p></o:p></p></div><p style='margin:0in;margin-bottom:.0001pt'><a name="SafeHtmlFilter__MailAutoSig"><span style='font-family:"Calibri","sans-serif"'>Thanks and Best Regards,</span></a><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-family:"Calibri","sans-serif"'>Sincerely,</span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-family:"Calibri","sans-serif"'>Varun Kulkarni , M.S. , EIT</span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-family:"Calibri","sans-serif"'>RMF Engineering</span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-family:"Calibri","sans-serif"'>5520, Research Park Drive, Suite 300</span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-family:"Calibri","sans-serif"'>Baltimore, MD - 21228</span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-family:"Calibri","sans-serif"'>Office : 410-576-0505 ext. 5352</span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-family:"Calibri","sans-serif"'>Mobile: (+1)405-385-1928</span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-family:"Calibri","sans-serif"'> </span><o:p></o:p></p><p style='margin:0in;margin-bottom:.0001pt'><span style='font-family:"Calibri","sans-serif"'>Note: Please do not print, unless required.</span><o:p></o:p></p><p> <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>