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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='color:#1F497D'>Dear Josh,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>As a start, “as-built” should really be “as-measured” by you or a reliable tech.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>The “measured” values should include:<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:38.5pt;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Power for all major equipment<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:38.5pt;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Flow for all major fans and pumps<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:38.5pt;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Zone and discharge air temp setpoints<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:38.5pt;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Schedules of (real) operation (If you have a BMS which trends operation, that’s a good place to start. If not, plan to talk to knowledgeable people)<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:38.5pt;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Actual weather (you might check out <a href="http://www.weatheranalytics.com">www.weatheranalytics.com</a>) <o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:38.5pt;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>There will still be unknowns / unknowables, such as infiltration. Those can be adjusted within reasonable limits for a better fit.<o:p></o:p></span></p><p class=MsoListParagraph style='margin-left:38.5pt;text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:Symbol;color:#1F497D'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='color:#1F497D'>Start by narrowing down the list of variables that are not know with certainty and do NOT assume that things are as shown on plans!<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>p.s., I’ve worked up an interface between GenOpt (Dr. Michael Wetter at LBNL) and E+ which makes iterative runs of E+ until it has a “Best fit”. It’s still in the “development” stage, but seems to work well. Please send a private message if you’re interested in trying it out.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><p class=MsoNormal align=center style='text-align:center'><b><span style='font-size:13.5pt;color:#1F497D'>The Building Performance Team<br></span></b><b><span style='color:#1F497D'>James V. Dirkes II, P.E., BEMP , LEED AP<br></span></b><span style='color:#1F497D'>1631 Acacia Drive NW<br>Grand Rapids, MI 49504<br>616 450 8653<o:p></o:p></span></p></div><p class=MsoNormal><span style='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"'>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>Talbert, Joshua<br><b>Sent:</b> Thursday, July 21, 2011 11:07 AM<br><b>To:</b> bldg-sim@lists.onebuilding.org<br><b>Subject:</b> [Bldg-sim] JWT Q2 - Energy Plus Calibration Experience<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Good Morning Sim Board,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The project I am working on requires a level of calibration between my AS-BUILT simulations and metered data for the facility. Would anyone please be able to comment on their previous calibration experiences? Does E+ tend to simulate certain loads under or over for instance? Do systems/components tend to run true to their real life equivalents, or are similar deviations common?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you,<o:p></o:p></p><p class=MsoNormal>Josh<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal><span style='font-size:12.0pt;font-family:Papyrus;color:#003366'>Joshua W. Talbert </span><span style='font-size:10.0pt;font-family:"Times New Roman","serif";color:#003366'>P.E., LEED-AP</span><span style='font-size:12.0pt;font-family:Papyrus;color:#003366'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:Papyrus;color:#003366'>Mechanical Engineer<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:16.0pt;font-family:"Arial","sans-serif";color:#003366'>Hallam</span><b><span style='font-size:16.0pt;font-family:"Arial Black","sans-serif";color:#CC3300;position:relative;top:-1.0pt;mso-text-raise:1.0pt'>///</span></b><span style='font-size:16.0pt;font-family:"Arial","sans-serif";color:#003366'>ICS<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#003366'>38 Eastwood Dr. Suite 200<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#003366'>S. Burlington, VT 05403<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#003366'>P: (802) 658-4891<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#003366'>F: (802) 658-1457<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif";color:#003366'><o:p> </o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><div class=MsoNormal align=center style='text-align:center'><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><hr size=2 width="100%" align=center></span></div><p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif";color:gray'><br>CONFIDENTIALITY NOTICE:<br>The information contained in this transmission, as well as any accompanying documents, constitutes confidential and/or legally privileged information which is the property of Hallam-ICS. The information is intended solely for the individual entity named on this transmittal sheet. If you are not the designated recipient, you are hereby notified that any disclosure, copying, distribution or taking any action in reliance on this information is strictly prohibited. If you received this in error, please contact the sender and delete the material from any computer. Opinions, conclusions and the information in this message that do not relate to the official business of my firm shall be understood as neither given nor endorsed by it.</span><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p></o:p></span></p></div></body></html>