<div dir="ltr">If these associated residential spaces are heated only, then they let you use system 9/10 (unit heater, they were called 10 and 11 I believed when first introduced by addenda <b>dn</b> of ASHRAE 2007). For stairwells that's often the case.<br></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div>--<br>Julien Marrec, EBCP, BPI MFBA<br>Energy&Sustainability Engineer<br>T: +33 6 95 14 42 13<br><span style="color:rgb(0,0,0)"><br></span><span style="color:rgb(0,0,0)">LinkedIn (en) : <span style="color:rgb(0,0,0)"><a href="http://www.linkedin.com/in/julienmarrec" target="_blank">www.linkedin.com/in/julienmarrec</a><br></span>LinkedIn (fr) : <a href="http://www.linkedin.com/in/julienmarrec/fr" target="_blank">www.linkedin.com/in/julienmarrec/fr</a></span><br><span style="color:rgb(0,0,0)"><a href="http://www.linkedin.com/in/julienmarrec" target="_blank"></a></span></div></div></div></div>
<br><div class="gmail_quote">2016-06-10 5:17 GMT+02:00 Maria Karpman via Equest-users <span dir="ltr"><<a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div link="blue" vlink="purple" lang="EN-US"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">The current version of EPA MFHR simulation guidelines is found at the link below, and requires modeling corridors, stairwells, etc. in multifamily buildings with baseline Systems 1/2 irrespective of their total area. <u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><a href="https://www.energystar.gov/ia/partners/bldrs_lenders_raters/downloads/mfhr/ENERGY%20STAR%20MFHR%20Simulation%20Guidelines_Version_1%200_Rev03.pdf?ca60-bf37" target="_blank">https://www.energystar.gov/ia/partners/bldrs_lenders_raters/downloads/mfhr/ENERGY%20STAR%20MFHR%20Simulation%20Guidelines_Version_1%200_Rev03.pdf?ca60-bf37</a> Here are some related abstracts. <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><b><span style="font-size:11.5pt">DEFINITIONS <u></u><u></u></span></b></p><p><b><span style="font-size:11.5pt"><u></u> <u></u></span></b></p><p><b><i><span style="font-size:11.5pt">common space</span></i></b><b><span style="font-size:11.5pt">: </span></b><span style="font-size:11.5pt">any spaces within a building that serves a function in support of the residential part of the building that is not part of a <i>dwelling unit</i>. This includes spaces used by residents, such as corridors, stairs, lobbies, laundry rooms, exercise rooms, residential recreation rooms, parking used exclusively by residents, building staff, and their guests. This also includes offices used by building management, administration or maintenance and all special use areas located in the building to serve and support the residents such as day-care facilities, gyms, dining halls, etc.<u></u><u></u></span></p><p><span style="font-size:11.5pt"><u></u> <u></u></span></p><p><b><i><span style="font-size:11.5pt">nonresidential</span></i></b><b><span style="font-size:11.5pt">: </span></b><span style="font-size:11.5pt">spaces in mixed-use buildings other than <i>residential </i>or <i>common space</i>, such as commercial space.<u></u><u></u></span></p><p><span style="font-size:11.5pt"><u></u> <u></u></span></p><p><b><i><span style="font-size:11.5pt">residential</span></i></b><b><span style="font-size:11.5pt">: </span></b><span style="font-size:11.5pt">spaces in buildings used primarily for living and sleeping. Residential spaces include, but are not limited to, <i>dwelling unit</i>s. <u></u><u></u></span></p><p><b><span style="font-size:11.5pt"><u></u> <u></u></span></b></p><p><b><span style="font-size:11.5pt">3. MODELING GUIDELINES<u></u><u></u></span></b></p><p><b><span style="font-size:11.5pt"><u></u> <u></u></span></b></p><p><b><span style="font-size:11.5pt">…………………..<u></u><u></u></span></b></p><p><b><span style="font-size:11.5pt"><u></u> <u></u></span></b></p><p><b><span style="font-size:11.5pt">3.8.2 </span></b><span style="font-size:11.5pt">The Baseline and Proposed HVAC system shall be modeled as per Appendix G, and as clarified in the first note below Appendix G Table G3.1.1A, “…Residential building types include dormitory, hotel, motel, and multifamily.” Following this note, <i>common spaces </i>that are essential to the building’s residential function, including but not limited to corridors and stairwells, must be modeled with residential baseline HVAC system type (System 1 or 2 only) depending on the predominant fuel source in the building, except as allowed in 3.8.1. <u></u><u></u></span></p><p><span style="font-size:11.5pt">Appendix G exception G3.1.1(a) that allows the use of additional system types for non-predominant conditions if they total more than 20,000 ft</span><sup><span style="font-size:11.0pt">2</span></sup><span style="font-size:11.5pt"> only applies to heating source, not space function. Baseline HVAC System Types 3-8 may not be used, except in appropriate <i>nonresidential </i>spaces that exceed 20,000 ft</span><sup><span style="font-size:11.0pt">2</span></sup><span style="font-size:11.5pt">. <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">-- <u></u><u></u></span></p><p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#666666">Maria Karpman </span></b><span style="font-size:11.0pt;font-family:"Verdana","sans-serif";color:#666666">LEED AP, BEMP, CEM</span><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:"Verdana","sans-serif";color:#666666">________________</span><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:"Verdana","sans-serif";color:#666666">Karpman Consulting<u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Verdana","sans-serif";color:#666666"><a href="http://www.karpmanconsulting.net/" target="_blank"><span style="color:blue">www.karpmanconsulting.net</span></a> </span><span style="font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u><u></u></span></p><p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Verdana","sans-serif";color:#666666">Phone </span><span style="font-size:7.5pt;font-family:"Helvetica","sans-serif";color:#666666;background:white">860.430.1909 </span><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:7.5pt;font-family:"Arial","sans-serif";color:#666666">41C New London Turnpike</span><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:7.5pt;font-family:"Arial","sans-serif";color:#666666">Glastonbury, CT 06033</span><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"><u></u> <u></u></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""> Equest-users [mailto:<a href="mailto:equest-users-bounces@lists.onebuilding.org" target="_blank">equest-users-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Elizabeth Gillmor via Equest-users<br><b>Sent:</b> Thursday, June 09, 2016 9:25 PM<br><b>To:</b> Sunayana Jain<br><b>Cc:</b> <a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a><br><b>Subject:</b> Re: [Equest-users] Multi-Family Corridor Baseline<u></u><u></u></span></p><div><div class="h5"><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">In my experience LEED will accept a second baseline system type for the corridors, but then following appendix G, you would use a System type 7. I would take the same interpretation for MFHR. <u></u><u></u></p><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">You could probably make a case to do all residential systems, but with gas heating in the corridor, that would put you in a System Type 1 throughout, which would unnecessarily punish your dwelling units.<u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">Cheers,<u></u><u></u></p></div><div><p class="MsoNormal">Elizabeth<u></u><u></u></p></div></div><div><p class="MsoNormal"><br clear="all"><u></u><u></u></p><div><div><div><div><div><div><div><div><div><div><div><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal"><b>Elizabeth Gillmor </b><b><span style="font-size:7.5pt">PE, BEMP, LC, LEED AP</span></b><u></u><u></u></p><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal"><b><span style="font-size:18.0pt;font-family:"Arial","sans-serif";color:#38761d;background:white">e n e r g e t i c s </span></b><b><span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#38761d">consulting engineers, llc</span></b><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;color:#666666;background:white"><a href="http://energetics-eng.com" target="_blank">energetics-eng.com</a> |</span><span style="color:#666666"> 303.619.0091</span><u></u><u></u></p></div></div></div></div></div></div></div></div></div></div></div></div></div><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">On Thu, Jun 9, 2016 at 1:41 PM, Sunayana Jain via Equest-users <<a href="mailto:equest-users@lists.onebuilding.org" target="_blank">equest-users@lists.onebuilding.org</a>> wrote:<u></u><u></u></p><div><div><p class="MsoNormal">I have 10 floors multi-family building. Units are served by packaged terminal heat pumps and corridors are pressurized and are served by RTUs (MAUs) with gas heat. Units are naturally ventilated. Total corridor area is greater than 20,000 SF.<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">I wanted to know if residential systems (System 1 or System 2) should be applied for the corridors in the baseline as recommended by Multi-Family High Rise (MFHR) guideline? Would LEED also accept residential systems for corridors instead of non-residential systems?<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">I have seen this discussion in the past but was curious to know the latest take on it.<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">Thanks,<u></u><u></u></p><p class="MsoNormal"><span style="color:#888888"> <u></u><u></u></span></p><p class="MsoNormal"><span style="color:#888888">Sunayana<u></u><u></u></span></p></div></div><p class="MsoNormal" style="margin-bottom:12.0pt"><br>_______________________________________________<br>Equest-users mailing list<br><a href="http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org" target="_blank">http://lists.onebuilding.org/listinfo.cgi/equest-users-onebuilding.org</a><br>To unsubscribe from this mailing list send a blank message to <a href="mailto:EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG" target="_blank">EQUEST-USERS-UNSUBSCRIBE@ONEBUILDING.ORG</a><u></u><u></u></p></div><p class="MsoNormal"><u></u> <u></u></p></div></div></div></div></div><br>_______________________________________________<br>
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