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<p class="MsoNormal">USGBC has approved an exception to the mandatory automatic receptacle controls for LEED projects using ASHRAE 90.1-2010. This exception may be applied for LEED v4 BD&C/ID&C projects, and for any LEED 2009 BD&C/ID&C projects that are applying
LEED Interpretation 10421.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="background:#F9F9F9"><span style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#6EA035">Created on July 8, 2017<o:p></o:p></span></p>
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<b><span style="font-size:21.0pt;font-family:"Arial",sans-serif;color:#333333">LEED Interpretation<o:p></o:p></span></b></p>
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<p class="MsoNormal" style="background:#F9F9F9"><span style="font-size:15.0pt;font-family:"Arial",sans-serif;color:#646464">ID# </span><span style="font-size:13.0pt;font-family:"Arial",sans-serif;color:#646464">10462</span><span style="font-size:15.0pt;font-family:"Arial",sans-serif;color:#646464"><o:p></o:p></span></p>
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<![if !supportLists]><span style="font-size:10.0pt;font-family:Symbol;color:#333333"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"><a href="https://www.usgbc.org/leedaddenda/10462"><b><span style="font-size:9.0pt;color:#666666;border:solid #AAAAAA 1.0pt;padding:3.0pt;text-decoration:none">Share
Email</span></b></a><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:0in;margin-right:7.5pt;margin-bottom:0in;margin-left:0in;margin-bottom:.0001pt;text-indent:-.25in;mso-list:l0 level1 lfo1;background:#DDDDDD">
<![if !supportLists]><span style="font-size:10.0pt;font-family:Symbol;color:#333333"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#333333"><a href="https://www.usgbc.org/leed-interpretations"><b><span style="font-size:9.0pt;color:#666666;border:solid #AAAAAA 1.0pt;padding:3.0pt;text-decoration:none">Back</span></b></a><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:6.0pt;background:white"><span style="font-size:13.5pt;font-family:"Arial",sans-serif;color:#6EA035">Rating System<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:1.5pt;margin-right:0in;margin-bottom:9.0pt;margin-left:0in;background:white">
<span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">LEED BD+C: New Construction, LEED BD+C: Core and Shell, LEED BD+C: Schools, LEED BD+C: Retail, LEED BD+C: Healthcare, LEED BD+C: Data Centers, LEED BD+C: Hospitality, LEED BD+C: Warehouses
and Distribution Centers, LEED ID+C: Commercial Interiors, LEED ID+C: Retail, LEED ID+C: Hospitality<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:6.0pt;background:white"><span style="font-size:13.5pt;font-family:"Arial",sans-serif;color:#6EA035">Rating System Version<o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:1.5pt;margin-right:0in;margin-bottom:9.0pt;margin-left:0in;background:white">
<span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">v4 - LEED v4<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:6.0pt;background:white"><span style="font-size:13.5pt;font-family:"Arial",sans-serif;color:#6EA035">Inquiry<o:p></o:p></span></p>
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<span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">ASHRAE 90.1-2010 mandatory requirement 8.4.2 Automatic Receptacle Control applies to 125 Volt receptacles in private offices, open offices, and computer classrooms. Are there any cases
where exceptions to these mandatory requirements will be allowed?<o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:6.0pt;background:white"><span style="font-size:13.5pt;font-family:"Arial",sans-serif;color:#6EA035">Ruling<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">The project team is requesting clarification regarding how to model spaces where mandatory ASHRAE 90.1 receptacle controls are not implemented.
Projects using one of the following two compliance paths are exempt from the receptacle control requirements:<br>
<br>
1. Path 1: Projects Using Option 1. Whole Building Energy Simulation may model a penalty in the Proposed model for the spaces where mandatory ASHRAE 90.1 receptacle controls are not implemented. The following modeling requirements apply:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2;background:white">
<![if !supportLists]><span style="font-size:11.5pt;font-family:Symbol;color:#333333"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">The receptacle power density modeled for these spaces shall be the greater of 0.75 Watts per square foot (8.1 Watts per square meter) or the design coincident
peak receptacle power density (if known).<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2;background:white">
<![if !supportLists]><span style="font-size:11.5pt;font-family:Symbol;color:#333333"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">The receptacle schedule modeled in the Baseline for these spaces shall have a minimum Equivalent Full Load Hours of operation no less than:<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.0in;text-indent:-.25in;mso-list:l1 level2 lfo2;background:white">
<![if !supportLists]><span style="font-size:11.5pt;font-family:"Courier New";color:#333333"><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">The ASHRAE 90.1-2010 User’s Manual default schedule for office occupancy (2,920 Equivalent Full Load Hours per year)<br>
OR<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.0in;text-indent:-.25in;mso-list:l1 level2 lfo2;background:white">
<![if !supportLists]><span style="font-size:11.5pt;font-family:"Courier New";color:#333333"><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">120% of the occupied hours of operation for the facility<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.0in;background:white"><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">OR <o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:1.0in;text-indent:-.25in;mso-list:l1 level2 lfo2;background:white">
<![if !supportLists]><span style="font-size:11.5pt;font-family:"Courier New";color:#333333"><span style="mso-list:Ignore">o<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">Detailed justification shall be provided supporting an alternate schedule.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l1 level1 lfo2;background:white">
<![if !supportLists]><span style="font-size:11.5pt;font-family:Symbol;color:#333333"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">The Proposed model shall include either a 20% increase in the receptacle power density for these spaces OR a 20% increase in the scheduled receptacle
Equivalent Full Load Hours of Operation versus the Baseline model.<br>
<br>
<br>
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:0in;background:white"><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">2. Path 2: Projects must demonstrate that the project has implemented efficiency measures that will achieve an equal
or greater reduction in receptacle energy consumption, and will persist for a similar timeframe to those achieved by ASHRAE 90.1-2010 Section 8.4.2. It is recommended that a Credit Interpretation Request be submitted when pursuing this approach. The project
must provide documentation regarding the receptacle equipment controls that will be implemented for the project; and must provide justification supporting the claim that the savings over the life of the efficiency measure will be similar to those anticipated
for a project compliant with Section 90.1-2010 Section 8.4.2. Note: The baseline and proposed receptacle energy consumption for these spaces must be modeled identically if using this approach; the project is not eligible for any further receptacle savings
in these spaces using the Exceptional Calculation Method.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:0in;background:white"><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333"><o:p> </o:p></span></p>
<p class="MsoNormal" style="margin-bottom:6.0pt;background:white"><span style="font-size:13.5pt;font-family:"Arial",sans-serif;color:#6EA035">Applicable Credits<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">Name : </span></b><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">Minimum energy performance<br>
<b>Rating system : </b>New Construction,Core and Shell,Schools - New Construction,Healthcare,Hospitality - New Construction,Warehouse and distribution centers - New Construction,<br>
<b>Rating system version : </b>v4<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">Name : </span></b><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">Minimum energy performance<br>
<b>Rating system : </b>Retail - Commercial Interiors,<br>
<b>Rating system version : </b>v4<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">Name : </span></b><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">Minimum energy performance<br>
<b>Rating system : </b>Retail - New Construction,<br>
<b>Rating system version : </b>v4<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">Name : </span></b><span style="font-size:11.5pt;font-family:"Arial",sans-serif;color:#333333">Minimum energy performance<br>
<b>Rating system : </b>Retail - Commercial Interiors,<br>
<b>Rating system version : </b>v4<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;color:black"><o:p> </o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:10.0pt;color:black">Best Regards,</span><span style="font-size:13.5pt;font-family:"Segoe UI",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span style="font-size:10.0pt;color:#E96D1F">Gail Hampsmire</span></b><span style="font-size:10.0pt;color:#E96D1F">, </span><i><span style="font-size:8.0pt;color:#E96D1F">P.E., LEED Fellow</span></i><span style="font-size:13.5pt;font-family:"Segoe UI",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span style="font-size:9.0pt;color:#5D9732">Technical Director, HVAC/Energy Team</span></b><span style="font-size:13.5pt;font-family:"Segoe UI",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span style="font-size:10.0pt;color:#1F497D"> </span></b><span style="font-size:13.5pt;font-family:"Segoe UI",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span style="font-size:10.0pt;color:#717074">Green Business Certification Inc.</span></b><span style="font-size:13.5pt;font-family:"Segoe UI",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:9.0pt;color:#717074">2101 L Street NW </span><b><span style="font-size:9.0pt;color:#F79646">I</span></b><span style="font-size:9.0pt;color:#717074"> Suite 500 </span><b><span style="font-size:9.0pt;color:#E96D1F">I</span></b><span style="font-size:9.0pt;color:#717074"> Washington
DC 20037</span><span style="font-size:13.5pt;font-family:"Segoe UI",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:9.0pt;color:#717074"> </span><span style="font-size:13.5pt;font-family:"Segoe UI",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><span style="font-size:9.0pt;color:#717074">Main: 1.202.742.3232 </span><b><span style="font-size:9.0pt;color:#E96D1F">I</span></b><span style="font-size:9.0pt;color:#717074"> fax: 202.828.5110 </span><b><span style="font-size:9.0pt;color:#E96D1F">I</span></b><span style="font-size:9.0pt;color:#717074"> email: </span><span style="color:black"><a href="https://webmail.usgbc.org/owa/redir.aspx?C=GZ2NV9n-Tka0xcihwNMka3tPNQQR4NAIjnxy2TUGXqSkgYbQpUIWRhUKdDdD2AIzspYHZz0nHxM.&URL=mailto%3aghampsmire%40gbci.org" target="_blank"><span style="font-size:9.0pt;color:blue">ghampsmire@gbci.org</span></a></span><span style="font-size:13.5pt;font-family:"Segoe UI",sans-serif;color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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