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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span style="color:#1f497d">Kevin,</span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><p class="MsoNormal"><span style="color:#1f497d">The formatting below leaves me confused as to where the comment ends and your response begins (and ends again?)…</span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><p class="MsoNormal"><span style="color:#1f497d">If your models are in compliance with 90.1-2004, I think the core request here is to clarify that’s the case. Describe fully how the spaces in question are handled in the Proposed and Baseline case, and cite the specific passages and exceptions (if any) applied. Evoking later editions of 90.1 (specifically baseline systems 9 and/or 10) may unnecessarily confuse the issue.</span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><p class="MsoNormal"><span style="color:#1f497d">Along the way, you should probably clarify whether you are or are not attempting to make the case for an exception under G3.1.1 (the text preceding table G3.1), as that also seems to be up in the air. If you are, be sure to substantiate how the exception applies in your clarification.</span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><p class="MsoNormal"><span style="color:#1f497d">If after all this, the particulars of your project leave you unsure of how to apply 90.1-2004 for LEED v2.2 on this front, you may want to contact GBCI directly with the details using their “contact us” form (wherein you may request a phone call if it’s necessary to convey the full situation): <a href="http://www.gbci.org/ContactUs">www.gbci.org/ContactUs</a></span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><p class="MsoNormal"><span style="color:#1f497d">Hope that helps!</span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><p class="MsoNormal"><span style="color:#1f497d">~Nick</span></p><p class="MsoNormal"><span style="color:#1f497d"> </span></p><div><p class="MsoNormal"><b><span style="font-size:14.0pt;color:#1f497d">NICK CATON, P.E.</span></b><span style="font-family:"Verdana",sans-serif;color:#1f497d"><br></span><b><span style="color:#561782">Owner</span></b></p><p class="MsoNormal"><b><span style="color:#561782"> </span></b></p><p class="MsoNormal"><b><span style="font-size:10.0pt;color:#561782">Caton Energy Consulting</span></b><span style="font-size:10.0pt;color:black"><br></span><span style="font-size:10.0pt;color:#1f497d"> 1150 N. 192<sup>nd</sup> St., #4-202</span></p><p class="MsoNormal"><span style="font-size:10.0pt;color:#1f497d"> Shoreline, WA 98133<br> office: 785.410.3317</span></p><p class="MsoNormal"><span style="font-size:10.0pt;color:#561782"><a href="www.catonenergy.com"><span style="color:#561782">www.catonenergy.com</span></a></span><span style="color:#561782"></span></p></div><p class="MsoNormal"><span style="color:#1f497d"> </span></p><div><div style="border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b>From:</b> Bldg-sim [mailto:<a href="mailto:bldg-sim-bounces@lists.onebuilding.org">bldg-sim-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Kevin Kyte<br><b>Sent:</b> Wednesday, January 07, 2015 8:44 AM<br><b>To:</b> <a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br><b>Cc:</b> '<a href="mailto:bldg-rate@lists.onebuilding.org">bldg-rate@lists.onebuilding.org</a>'<br><b>Subject:</b> [Bldg-sim] LEED Review Comment: Spaces served by Unit Heaters</p></div></div><p class="MsoNormal"> </p><p class="MsoNormal">Sorry for the cross-postings.</p><p style="background:white"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">3. It is unclear how the spaces served by unit heaters have been modeled in the Baseline model. Provide a clarification narrative on the modeling methodology with regards to system sizing, fan power, and capacities.</span></p><p style="background:white"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span></p><p style="background:white"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">It is unclear why this comment is stated for a project pursuing version 2.2. A space served by a unit heater must be modeled with cooling identical to its system modeled in baseline per ASHRAE 90.1-2004 Table G3.1.10.d. A unit heater is not acceptable criteria for exception to G3.1.1. Therefore if a building baseline HVAC system type is regarding as VAV then spaces served by unit heaters must also have a VAV baseline HVAC system type.</span></p><p style="background:white"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span></p><p style="background:white"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">It is understood that ASHRAE 90.1-2010 contains an exception to Table G3.1.10.d and that G3.1.1 contains exception e. However, this should not apply to V2.2.</span></p><p style="background:white"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span></p><p style="background:white"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Am I missing something again or is this a plug-in comment from later versions?</span></p><p style="background:white"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black"> </span></p><p style="background:white"><span style="font-size:10.0pt;font-family:"Verdana",sans-serif;color:black">Thank you.</span></p></div></body></html>