<div dir="ltr"><div class="gmail_default" style="font-size:large;color:#b45f06">Veronica,</div><div class="gmail_default" style="font-size:large;color:#b45f06">This may be worth a question to your LEED / GBCI review team so that you have high confidence <u>before </u>creating the entire model.</div><div class="gmail_default" style="font-size:large;color:#b45f06"><br></div><div class="gmail_default" style="font-size:large;color:#b45f06">I think that the Baseline model should represent a realistic design, something you would expect from a responsible energy-conscious designer. That way the benefits of the Proposed system will also be realistic.<br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Oct 13, 2015 at 12:49 PM, Veronica Ochoa <span dir="ltr"><<a href="mailto:veronica.ochoa@hurleypalmerflatt.com" target="_blank">veronica.ochoa@hurleypalmerflatt.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div lang="EN-GB" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Jim, thanks for your prompt response. <u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">The average peak load for my systems is as follows:<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Level -2: 578 W/m2<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Level -1: 392 W/m2<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Level 0: 186 W/m2<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Level 1: 83 W/m2<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Of the rooms in each system only 6 zones are within the 31W/m2 difference, therefore meeting the Sys8 criteria. The rest of the zones differ from the average cooling loads by anything from 50 W/m2 to 1,200 W/m2, leaving 44 zones to fall under the System#4 (B) exception. My question is if I should have Sys#4 created for each zone, therefore ending up with 44 System#4’s which seems a bit excessive and if I could simplify this by creating a system per floor or per different setpoint groups?<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Thanks again,<u></u><u></u></span></p><span class=""><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><table width="500" border="0"><colgroup><col></colgroup><tbody><tr><td><p style="FONT-FAMILY:Arial"><span style="FONT-SIZE:11pt;FONT-FAMILY:Arial">Veronica Ochoa</span></p></td></tr><tr><td><p style="FONT-FAMILY:Arial"><span style="FONT-SIZE:11pt;FONT-FAMILY:Arial">Consultant</span></p></td></tr></tbody></table><table style="WIDTH:170.15pt" cellspacing="0" cellpadding="0" width="227" border="0"><colgroup><col width="227"></colgroup><tbody><tr><td style="WIDTH:170.15pt;PADDING-BOTTOM:0cm;PADDING-TOP:0cm;PADDING-LEFT:0cm;PADDING-RIGHT:0cm" width="227" nowrap><p class="MsoNormal" style="FONT-FAMILY:Arial"><b><span style="FONT-SIZE:19.5pt;COLOR:#00aeef">hurleypalmerflatt</span></b></p></td></tr><tr><td style="WIDTH:170.15pt;PADDING-BOTTOM:0cm;PADDING-TOP:0cm;PADDING-LEFT:0cm;PADDING-RIGHT:0cm" valign="top" width="227" nowrap><p class="MsoNormal" style="FONT-FAMILY:Arial;TEXT-ALIGN:right;MARGIN-RIGHT:9.85pt" align="right"><b><i><span style="FONT-SIZE:9pt;FONT-FAMILY:"Arial","sans-serif";COLOR:#00aeef">building</span></i></b><span style="FONT-SIZE:9pt;FONT-FAMILY:"Arial","sans-serif";COLOR:#00aeef"> </span><b><span style="FONT-SIZE:9pt;FONT-FAMILY:"Arial","sans-serif";COLOR:#7dc242">sustainability</span></b></p></td></tr></tbody></table><table width="500" border="0"><colgroup><col width="30"><col></colgroup><tbody><tr><td width="30"><p style="FONT-SIZE:10pt;FONT-FAMILY:Arial"><b>d:</b></p></td><td><p style="FONT-SIZE:10pt;FONT-FAMILY:Arial"><a href="tel:%2B44%2020%207535%203750" value="+442075353750" target="_blank">+44 20 7535 3750</a></p></td></tr><tr><td width="30"><p style="FONT-SIZE:10pt;FONT-FAMILY:Arial"><b>t:</b></p></td><td><p style="FONT-SIZE:10pt;FONT-FAMILY:Arial"><a href="tel:%2B44%2020%207535%203100" value="+442075353100" target="_blank">+44 20 7535 3100</a></p></td></tr><tr><td width="30"><p style="FONT-SIZE:10pt;FONT-FAMILY:Arial"><b>e:</b></p></td><td><p style="FONT-SIZE:10pt;FONT-FAMILY:Arial"><a href="mailto:veronica.ochoa@hurleypalmerflatt.com" target="_blank">veronica.ochoa@hurleypalmerflatt.com</a></p></td></tr></tbody></table></span><table><colgroup><col></colgroup><tbody><tr><td><p style="FONT-FAMILY:Arial;MARGIN:6pt 0cm"><span style="font-size:9pt">View</span><span style="font-size:9pt;font-family:"Arial","sans-serif""> company email disclaimer at: <a href="http://www.hurleypalmerflatt.com/disclaimer.html" target="_blank"><font color="#0000ff">http://www.hurleypalmerflatt.com/</font></a></span><span style="font-size:9pt"><a href="http://www.hurleypalmerflatt.com/disclaimer.html" target="_blank"><font color="#0000ff">disclaimer</font></a></span><span style="font-size:9pt;font-family:"Arial","sans-serif""><a href="http://www.hurleypalmerflatt.com/disclaimer.html" target="_blank"><font color="#0000ff">.html</font></a></span></p><span class=""><p style="MARGIN:6pt 0cm;font-family:Arial"><span style="font-size:9pt"><span style="font-size:10pt"><b><span style="font-size:10pt;color:#7dc242"><span style="font-family:Webdings">P</span> Please</span></b></span><span style="FONT-SIZE:10pt;FONT-FAMILY:"Arial","sans-serif""><b><span style="FONT-SIZE:10pt;FONT-FAMILY:"Arial","sans-serif";COLOR:#7dc242"> consider the environment before printing this </span></b></span><span style="font-size:10pt"><b><span style="font-size:10pt;color:#7dc242">email</span></b></span><span style="FONT-SIZE:10pt;FONT-FAMILY:"Arial","sans-serif""><b><span style="FONT-SIZE:10pt;FONT-FAMILY:"Arial","sans-serif";COLOR:#7dc242">.</span></b></span></span></p></span></td></tr></tbody></table><p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Jim Dirkes [mailto:<a href="mailto:jim@buildingperformanceteam.com" target="_blank">jim@buildingperformanceteam.com</a>] <br><b>Sent:</b> 13 October 2015 17:38<br><b>To:</b> Veronica Ochoa<br><b>Cc:</b> <a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a><br><b>Subject:</b> Re: [Bldg-sim] ASHRAE systems exception B interpretation<u></u><u></u></span></p><span class=""><p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal"><span style="font-size:18.0pt;color:#b45f06">Veronica,<u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:18.0pt;color:#b45f06">I'm not sure if I understand your problem, but the exceptions for non-predominant HVAC sytems are based on<u></u><u></u></span></p></div><div><div><p class="MsoNormal"><span style="font-size:18.0pt;color:#b45f06">"Peak thermal loads that <b><u>differ </u></b>by xx W/m2 or more from the average of other spaces..."<u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:18.0pt;color:#b45f06"><u></u> <u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:18.0pt;color:#b45f06">Thus, if all zones are 30 W/m2, they should be modeled with the normal Baseline HVAC.  If, however, one or more zones is 15W/m2 or 50 W/m2, you have justification for using Systems #3 or #4.<u></u><u></u></span></p></div></div></div></span><div><p class="MsoNormal"><u></u> <u></u></p><div><span class=""><p class="MsoNormal">On Tue, Oct 13, 2015 at 11:37 AM, Veronica Ochoa <<a href="mailto:veronica.ochoa@hurleypalmerflatt.com" target="_blank">veronica.ochoa@hurleypalmerflatt.com</a>> wrote:<u></u><u></u></p></span><div><span class=""><div><p class="MsoNormal">Hi,<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">I’m modelling a data center with 50 thermal zones for LEED EAp2/c1 purposes. The baseline system determined based on area and building type is system 8. However when doing the load deviation average to determine suitability for System 4 (under exception B), all but 6 zones are greater than the 31 W/m2 of the averaged cooling load per system/floor. This means that I will have 6 zones (2.5% of total area) as system 8 and 44 zones as system 4. Do I need to follow the exception that says that each zone served by System 4 should be modelled as one zone per system?? I find this a bit too much… I was wondering if you can simplify this by grouping similar spacetypes by setpoints or floors and reduce the number of systems. <u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">Also, in the preliminary submission 100% of the zones were submitted as system 4, but this was noted by the USGBC reviewer as an error (as it was based on the average of the entire building not per system). As it has been now corrected and only 2.5% of the zones will be system 8, we are estimating the difference will be negligible. Would a narrative explaining this suffice? Has anyone been in this situation and how did you approach it? <u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">Many thanks in advance for your help,<u></u><u></u></p></div><table border="0" cellpadding="0" width="500" style="width:375.0pt"><tbody><tr><td style="padding:.75pt .75pt .75pt .75pt"><p><span style="font-size:11.0pt;font-family:"Arial","sans-serif"">Veronica Ochoa</span><span style="font-family:"Arial","sans-serif""><u></u><u></u></span></p></td></tr><tr><td style="padding:.75pt .75pt .75pt .75pt"><p><span style="font-size:11.0pt;font-family:"Arial","sans-serif"">Consultant</span><span style="font-family:"Arial","sans-serif""><u></u><u></u></span></p></td></tr></tbody></table><p class="MsoNormal"><span><u></u> <u></u></span></p><table border="0" cellspacing="0" cellpadding="0" width="227" style="width:170.15pt"><tbody><tr><td width="227" nowrap style="width:170.15pt;padding:0cm 0cm 0cm 0cm"><p class="MsoNormal"><b><span style="font-size:19.5pt;font-family:"Arial","sans-serif";color:#00aeef">hurleypalmerflatt</span></b><span style="font-family:"Arial","sans-serif""><u></u><u></u></span></p></td></tr><tr><td width="227" nowrap valign="top" style="width:170.15pt;padding:0cm 0cm 0cm 0cm"><p class="MsoNormal" align="right" style="margin-right:9.85pt;text-align:right"><b><i><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#00aeef">building</span></i></b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#00aeef"> </span><b><span style="font-size:9.0pt;font-family:"Arial","sans-serif";color:#7dc242">sustainability</span></b><span style="font-family:"Arial","sans-serif""><u></u><u></u></span></p></td></tr></tbody></table><p class="MsoNormal"><span><u></u> <u></u></span></p><table border="0" cellpadding="0" width="500" style="width:375.0pt"><tbody><tr><td width="30" style="width:22.5pt;padding:.75pt .75pt .75pt .75pt"><p><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">d:</span></b><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><u></u><u></u></span></p></td><td style="padding:.75pt .75pt .75pt .75pt"><p><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><a href="tel:%2B44%2020%207535%203750" target="_blank">+44 20 7535 3750</a><u></u><u></u></span></p></td></tr><tr><td width="30" style="width:22.5pt;padding:.75pt .75pt .75pt .75pt"><p><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">t:</span></b><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><u></u><u></u></span></p></td><td style="padding:.75pt .75pt .75pt .75pt"><p><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><a href="tel:%2B44%2020%207535%203100" target="_blank">+44 20 7535 3100</a><u></u><u></u></span></p></td></tr><tr><td width="30" style="width:22.5pt;padding:.75pt .75pt .75pt .75pt"><p><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">e:</span></b><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><u></u><u></u></span></p></td><td style="padding:.75pt .75pt .75pt .75pt"><p><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><a href="mailto:veronica.ochoa@hurleypalmerflatt.com" target="_blank">veronica.ochoa@hurleypalmerflatt.com</a><u></u><u></u></span></p></td></tr></tbody></table></span><p><a href="https://retrofit.architectsjournal.co.uk/shortlist-2015" target="_blank"><span style="font-family:"Arial","sans-serif";border:solid windowtext 1.0pt;padding:0cm;text-decoration:none"><img border="0" width="600" height="120" src="cid:image001.jpg@01D105DF.7AB47DF0" alt="Description: Image removed by sender."></span></a><span style="font-family:"Arial","sans-serif""><br></span><a href="http://www.hurleypalmerflatt.com/" target="_blank"><span style="font-family:"Arial","sans-serif";border:solid windowtext 1.0pt;padding:0cm;text-decoration:none"><img border="0" width="30" height="30" src="cid:image002.jpg@01D105DF.7AB47DF0" alt="Description: Image removed by sender. HPFWebsite"></span></a><span style="font-family:"Arial","sans-serif""> </span><a href="https://uk.linkedin.com/company/hurleypalmerflatt" target="_blank"><span style="font-family:"Arial","sans-serif";border:solid windowtext 1.0pt;padding:0cm;text-decoration:none"><img border="0" width="30" height="30" src="cid:image002.jpg@01D105DF.7AB47DF0" alt="Description: Image removed by sender. LinkedIn"></span></a><span style="font-family:"Arial","sans-serif""> </span><a href="https://twitter.com/hpf_group" target="_blank"><span style="font-family:"Arial","sans-serif";border:solid windowtext 1.0pt;padding:0cm;text-decoration:none"><img border="0" width="30" height="30" src="cid:image002.jpg@01D105DF.7AB47DF0" alt="Description: Image removed by sender. Twitter"></span></a><span style="font-family:"Arial","sans-serif""> </span><a href="https://plus.google.com/105591062940781402373" target="_blank"><span style="font-family:"Arial","sans-serif";border:solid windowtext 1.0pt;padding:0cm;text-decoration:none"><img border="0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rformanceteam.com" target="_blank">jim@buildingperformanceteam.com</a><br><br><a href="http://buildingperformanceteamcom" target="_blank">Website </a>l  <a href="https://www.linkedin.com/pub/jim-dirkes/7/444/413" target="_blank">LinkedIn</a><p align="center" style="margin-bottom:0in;margin-bottom:.0001pt;text-align:center"><b><i><span style="font-size:14.0pt;line-height:115%;font-family:"MS Reference Sans Serif","sans-serif""> </span></i></b><span style="font-family:"MS Reference Sans Serif","sans-serif""></span></p><p style="vertical-align:middle">















</p><p style="margin-bottom:6.0pt;text-autospace:none"><span style="font-size:10.0pt;font-family:"Calibri","sans-serif""><font color="#0000ff">“…happiness
is the joy produced in us by truth. To be truly happy means coming to know how
things really are, experiencing …reality in its ultimate root…<br>
What matters more to one’s happiness than getting more freedom and power is the
end toward which we order whatever freedom and power we have. Unless we order
ourselves to the truth, more freedom and more power will bring only more
unhappiness, examples of which abound.</font></span><br></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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