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--></style></head><body lang="EN-US" link="blue" vlink="purple"><div class="WordSection1"><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060">I agree, but can envision a few real-world cases where you might definitely call the abutting walls part of the conditioned envelope, but would still fall into the ballpark of “a grey area:” </span></p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt;font-family:Symbol;color:#002060"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman""> </span></span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060">What if the two abutting buildings aren’t sharing a wall, but rather an enclosed unconditioned void/cavity? </span></p><p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="font-size:11.0pt;font-family:Symbol;color:#002060"><span style="mso-list:Ignore">·<span style="font:7.0pt "Times New Roman""> </span></span></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060">What if you aren’t comfortable calling it an adiabatic surface (i.e. the adjacent building is unconditioned/unoccupied)?</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060">I think I’d fall back on a “gut check” in such instances: If it makes zero sense to install glazing for any proposed case design, then you should feel safe consistently excluding those surfaces from the resultant WWR requirements on the baseline side. Put another way, don’t make the baseline include windows where it’s completely unreasonable (this also encompasses my “facing dirt” litmus test).</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060">I know that isn’t terribly black & white – I wouldn’t be surprised if some specific urban energy codes have tread these paths enough to address the various possibilities for abutting buildings… (?)</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060"> </span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060">~Nick</span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060"> </span></p><p class="MsoNormal"><b><span style="font-size:14.0pt;font-family:"Calibri",sans-serif;color:#002060">NICK CATON, P.E.</span></b><span style="font-size:11.0pt;font-family:"Verdana",sans-serif;color:#1f497d"><br></span><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#561782">Owner</span></b></p><p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#561782"> </span></b></p><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#561782">Caton Energy Consulting</span></b><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:black"><br></span><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> 306 N Ferrel</span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> Olathe, KS 66061</span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> office: 785.410.3317</span></p><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#561782"><a href="www.catonenergy.com"><span style="color:#561782">www.catonenergy.com</span></a></span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060"></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060"> </span></p><p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Elizabeth Gillmor [mailto:<a href="mailto:elizabeth@energetics-eng.com">elizabeth@energetics-eng.com</a>] <br><b>Sent:</b> Friday, October 16, 2015 3:32 PM<br><b>To:</b> Julien Marrec<br><b>Cc:</b> Nicholas Caton; Jones, Christopher; <a href="mailto:bldg-sim@lists.onebuilding.org">bldg-sim@lists.onebuilding.org</a><br><b>Subject:</b> Re: [Bldg-sim] ASHRAE 90.1 Window to Wall area definition</span></p><p class="MsoNormal"> </p><div><p class="MsoNormal">Another interesting question!</p><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">If you look at how ASHRAE 90.1 defines "exterior building envelope", as being "the elements of a building that separate conditioned space from the exterior space", then I would say that no, your adiabatic walls do NOT contribute to your building envelope or your WWR, because they do not abut exterior space. So you should exclude them from your calc.</p></div></div><div><p class="MsoNormal"><br clear="all"></p><div><div><div><div><div><div><div><div><div><div><div><p class="MsoNormal"><b>Elizabeth Gillmor </b><b><span style="font-size:7.5pt">PE, BEMP, LC, LEED AP</span></b></p><div><p class="MsoNormal"> </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></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></p></div><div><p class="MsoNormal"><span style="color:#666666;background:white">c 303.619.0091</span></p></div></div></div></div></div></div></div></div></div></div></div></div><p class="MsoNormal"> </p><div><p class="MsoNormal">On Fri, Oct 16, 2015 at 1:50 PM, Julien Marrec <<a href="mailto:julien.marrec@gmail.com" target="_blank">julien.marrec@gmail.com</a>> wrote:</p><blockquote style="border:none;border-left:solid #cccccc 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in"><div><div><p class="MsoNormal">This discussion is very interesting and relates to another question I asked before, and since it didn't get much traction and this one did, please allow me to bring it up again.</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">For above grade walls that are abutting an existing building (adiabatic), do you include those in the WWR calculation or exclude them?</p></div><div><p class="MsoNormal"> </p></div><div><p class="MsoNormal">Thanks,</p></div><div><p class="MsoNormal">Julien<br><br>Envoyé de mon iPhone</p></div><div><p class="MsoNormal" style="margin-bottom:12.0pt"><br>Le 16 oct. 2015 à 04:38, Nicholas Caton <<a href="mailto:ncaton@catonenergy.com" target="_blank">ncaton@catonenergy.com</a>> a écrit :</p></div><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060">Whether you choose to build your baseline before/during/after your proposed case, you will need to very actively reference the proposed/actual design along the way to determine where the conditioned spaces lie (per the glossary entries), and from there where the envelope line is drawn separating the conditioned from the exterior/unconditioned/semi-conditioned areas.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060">Insofar as the WWR discussion thread goes, I believe I’m situated in Nathan’s camp. I simply (?) equate/read “above-ground” in Appendix G to mean “not facing dirt,” regardless of where the grade lies.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060">~Nick</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060"> </span></p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:14.0pt;font-family:"Calibri",sans-serif;color:#002060">NICK CATON, P.E.</span></b><span style="font-size:11.0pt;font-family:"Verdana",sans-serif;color:#1f497d"><br></span><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#561782">Owner</span></b></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#561782"> </span></b></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#561782">Caton Energy Consulting</span></b><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:black"><br></span><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> 306 N Ferrel</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> Olathe, KS 66061</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> office: <a href="tel:785.410.3317" target="_blank">785.410.3317</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Calibri",sans-serif;color:#561782"><a href="http://www.catonenergy.com" target="_blank"><span style="color:#561782">www.catonenergy.com</span></a></span></p></div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#002060"> </span></p><div><div style="border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0in 0in 0in"><p>-----Original Message-----<br>From: Bldg-sim [mailto:<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>] On Behalf Of Duggin, Cory<br>Sent: Thursday, October 15, 2015 1:59 PM<br>To: Jones, Christopher<br>Cc: <a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a><br>Subject: Re: [Bldg-sim] ASHRAE 90.1 Window to Wall area definition</p><p> </p><p>According to my understanding it would be based off the proposed.</p><p> </p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> </span></b></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Bldg-sim [mailto:<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Jones, Christopher<br><b>Sent:</b> Thursday, October 15, 2015 1:56 PM<br><b>To:</b> 'Elizabeth Gillmor'<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 90.1 Window to Wall area definition</span></p></div></div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">Thanks Elizabeth,</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">Your reply brings up another question. If the proposed design meets the requirement of Table 3.1 does the baseline automatically follow suit? Or does one have to first construct the baseline case model to determine the self-sized heating capacity to determine if the space is conditioned or semi-heated? It sounds like it would be an iterative process – first model the space with exterior insulation for a conditioned space then determine the heating capacity. If it shows a semi-heated space, then change the insulation and check again, and so on?</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><image001.png></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1c467a">Christopher Jones,</span></b><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">P.Eng.<i> <br></i></span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">Senior Engineer</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></b></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">WSP Canada Inc.</span></b></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">2300 Yonge Street, Suite 2300</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">Toronto, ON M4P 1E4</span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#595959"><br></span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">T <a href="tel:%2B1%20416-644-4226" target="_blank">+1 416-644-4226</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">F <a href="tel:%2B1%20416-487-9766" target="_blank">+1 416-487-9766</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">C <a href="tel:%2B1%20416-697-0056" target="_blank">+1 416-697-0056</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"><a href="http://www.wspgroup.com/" target="_blank">www.wspgroup.com</a> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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"> Elizabeth Gillmor [<a href="mailto:elizabeth@energetics-eng.com" target="_blank">mailto:elizabeth@energetics-eng.com</a>] <br><b>Sent:</b> Thursday, October 15, 2015 2:36 PM<br><b>To:</b> Jones, Christopher<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 90.1 Window to Wall area definition</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">It would have to be heated enough to qualify per Table 3.1, which would be pretty high:</p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><image002.png></p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">And then you would have to insulate it like a conditioned space (rather than just a semi-heated space). But yes, then you could count it!</p></div></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><br clear="all"></p><div><div><div><div><div><div><div><div><div><div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>Elizabeth Gillmor </b><b><span style="font-size:7.5pt">PE, BEMP, LC, LEED AP</span></b></p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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></p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;color:#666666;background:white"><a href="http://energetics-eng.com" target="_blank">energetics-eng.com</a></span></p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#666666;background:white">c <a href="tel:303.619.0091" target="_blank">303.619.0091</a></span></p></div></div></div></div></div></div></div></div></div></div></div></div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On Thu, Oct 15, 2015 at 12:24 PM, Jones, Christopher <<a href="mailto:Christopher.r.Jones@wspgroup.com" target="_blank">Christopher.r.Jones@wspgroup.com</a>> wrote:</p><div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">So up here in Zone 6 and 7 where the first level of parking below grade is often heated enough to make it a conditioned space, one would count those below grade walls in the WWR for the Energy Cost Budget method. That can make a somewhat significant difference in how much glazing the baseline case has in the above grade walls.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><image001.png></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1c467a">Christopher Jones,</span></b><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">P.Eng.<i> <br></i></span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">Senior Engineer</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></b></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">WSP Canada Inc.</span></b></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">2300 Yonge Street, Suite 2300</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">Toronto, ON M4P 1E4</span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#595959"><br></span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">T <a href="tel:%2B1%20416-644-4226" target="_blank">+1 416-644-4226</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">F <a href="tel:%2B1%20416-487-9766" target="_blank">+1 416-487-9766</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">C <a href="tel:%2B1%20416-697-0056" target="_blank">+1 416-697-0056</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"><a href="http://www.wspgroup.com/" target="_blank">www.wspgroup.com</a> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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"> Elizabeth Gillmor [mailto:<a href="mailto:elizabeth@energetics-eng.com" target="_blank">elizabeth@energetics-eng.com</a>] <br><b>Sent:</b> Thursday, October 15, 2015 2:07 PM<br><b>To:</b> Shaun Martin<br><b>Cc:</b> Jones, Christopher; <a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a><br><b>Subject:</b> Re: [Bldg-sim] ASHRAE 90.1 Window to Wall area definition</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">That is a great point. Appendix G is different from the prescriptive requirements. </p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">The prescriptive requirements (and thus Energy Cost Budget method) allow you to count below-grade conditioned walls as per section 5.5.4.5 as part of your "gross wall area", while Appendix G specifically says above-grade walls only.</p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p></div></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><br clear="all"></p><div><div><div><div><div><div><div><div><div><div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b>Elizabeth Gillmor </b><b><span style="font-size:7.5pt">PE, BEMP, LC, LEED AP</span></b></p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><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></p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;color:#666666;background:white"><a href="http://energetics-eng.com" target="_blank">energetics-eng.com</a></span></p></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="color:#666666;background:white">c <a href="tel:303.619.0091" target="_blank">303.619.0091</a></span></p></div></div></div></div></div></div></div></div></div></div></div></div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">On Thu, Oct 15, 2015 at 11:38 AM, Shaun Martin <<a href="mailto:smartin@shaunmartinconsulting.com" target="_blank">smartin@shaunmartinconsulting.com</a>> wrote:</p><div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Page 213 of 90.1-2010 says “above-grade”</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Shaun</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Shaun Martin LEED-AP, BEMP</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Principal</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Shaun Martin Consulting</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">#90 – 425 Carrall Street</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">Vancouver, BC V6B 6E3</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d">p. <a href="tel:604-789-1095" target="_blank">604-789-1095</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><a name="150723401c0df310_1506cbf7cff4a8db_1506c9"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></a></p><div><div style="border:none;border-top:solid #e1e1e1 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Bldg-sim [mailto:<a href="mailto:bldg-sim-bounces@lists.onebuilding.org" target="_blank">bldg-sim-bounces@lists.onebuilding.org</a>] <b>On Behalf Of </b>Jones, Christopher<br><b>Sent:</b> Thursday, October 15, 2015 10:15 AM<br><b>To:</b> <a href="mailto:bldg-sim@lists.onebuilding.org" target="_blank">bldg-sim@lists.onebuilding.org</a><br><b>Subject:</b> [Bldg-sim] ASHRAE 90.1 Window to Wall area definition</span></p></div></div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">I know this question has been asked before but I could not find a related thread.</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">90.1 states that the WWR is based on the gross wall area and the definition of gross wall area includes below ground walls as well as above ground walls.. Including the below grade walls can make a significant difference in the WWR for typical urban high rise buildings with a number of below grade parking floors. </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">Can someone confirm that the WWR calculation is based on above grade wall area plus below grade wall area?</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></p><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1f497d"><image001.png></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1c467a">Christopher Jones,</span></b><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">P.Eng.<i> <br></i></span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">Senior Engineer</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></b></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">WSP Canada Inc.</span></b></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">2300 Yonge Street, Suite 2300</span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">Toronto, ON M4P 1E4</span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#595959"><br></span><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">T <a href="tel:%2B1%20416-644-4226" target="_blank">+1 416-644-4226</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">F <a href="tel:%2B1%20416-487-9766" target="_blank">+1 416-487-9766</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d">C <a href="tel:%2B1%20416-697-0056" target="_blank">+1 416-697-0056</a></span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></p><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span lang="EN-CA" style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"><a href="http://www.wspgroup.com/" target="_blank">www.wspgroup.com</a> </span></p></div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#1f497d"> </span></p><div class="MsoNormal" align="center" style="text-align:center"><hr size="2" width="100%" align="center"></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:gray"><br>You are receiving this communication because you are listed as a current WSP contact. Should you have any questions regarding WSP’s electronic communications policy, please consult our Anti-Spam Commitment <a href="http://www.wspgroup.com/casl" target="_blank">www.wspgroup.com/casl</a>. For any concern or if you believe you should not be receiving this message, please forward this message to us at <a href="mailto:caslcompliance@wspgroup.com" target="_blank">caslcompliance@wspgroup.com</a> so that we can promptly address your request. This message is intended only for the use of the individual or entity to which it is addressed, and may contain information which is privileged, confidential, proprietary or exempt from disclosure under applicable law. If you are not the intended recipient or the person responsible for delivering the message to the intended recipient, you are strictly prohibited from disclosing, distributing, copying or in any way using this message. If you have received this communication in error, please notify the sender, and destroy and delete any copies you may have received. <br><br>WSP provides professional land surveying services through the following entities: WSP Surveys (AB) Limited Partnership and WSP Surveys (BC) Limited Partnership </span></p></div></div></div><p class="MsoNormal" style="margin-bottom:12.0pt"><br>_______________________________________________<br>Bldg-sim mailing list<br><a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org" target="_blank">http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org</a><br>To unsubscribe from this mailing list send a blank message to <a href="mailto:BLDG-SIM-UNSUBSCRIBE@ONEBUILDING.ORG" target="_blank">BLDG-SIM-UNSUBSCRIBE@ONEBUILDING.ORG</a></p></div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p></div></div><div class="MsoNormal" align="center" style="text-align:center"><hr size="2" width="100%" align="center"></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:gray"><br>You are receiving this communication because you are listed as a current WSP contact. Should you have any questions regarding WSP’s electronic communications policy, please consult our Anti-Spam Commitment <a href="http://www.wspgroup.com/casl" target="_blank">www.wspgroup.com/casl</a>. For any concern or if you believe you should not be receiving this message, please forward this message to us at <a href="mailto:caslcompliance@wspgroup.com" target="_blank">caslcompliance@wspgroup.com</a> so that we can promptly address your request. This message is intended only for the use of the individual or entity to which it is addressed, and may contain information which is privileged, confidential, proprietary or exempt from disclosure under applicable law. If you are not the intended recipient or the person responsible for delivering the message to the intended recipient, you are strictly prohibited from disclosing, distributing, copying or in any way using this message. If you have received this communication in error, please notify the sender, and destroy and delete any copies you may have received. <br><br>WSP provides professional land surveying services through the following entities: WSP Surveys (AB) Limited Partnership and WSP Surveys (BC) Limited Partnership </span></p></div></div></div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> </p></div><div class="MsoNormal" align="center" style="text-align:center"><hr size="2" width="100%" align="center"></div><div><p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:gray"><br>You are receiving this communication because you are listed as a current WSP contact. Should you have any questions regarding WSP’s electronic communications policy, please consult our Anti-Spam Commitment <a href="http://www.wspgroup.com/casl" target="_blank">www.wspgroup.com/casl</a>. For any concern or if you believe you should not be receiving this message, please forward this message to us at <a href="mailto:caslcompliance@wspgroup.com" target="_blank">caslcompliance@wspgroup.com</a> so that we can promptly address your request. This message is intended only for the use of the individual or entity to which it is addressed, and may contain information which is privileged, confidential, proprietary or exempt from disclosure under applicable law. If you are not the intended recipient or the person responsible for delivering the message to the intended recipient, you are strictly prohibited from disclosing, distributing, copying or in any way using this message. If you have received this communication in error, please notify the sender, and destroy and delete any copies you may have received. <br><br>WSP provides professional land surveying services through the following entities: WSP Surveys (AB) Limited Partnership and WSP Surveys (BC) Limited Partnership </span></p></div></div></div></blockquote><blockquote style="margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal">_______________________________________________<br>Bldg-sim mailing list<br><a href="http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org" target="_blank">http://lists.onebuilding.org/listinfo.cgi/bldg-sim-onebuilding.org</a><br>To unsubscribe from this mailing list send a blank message to <a href="mailto:BLDG-SIM-UNSUBSCRIBE@ONEBUILDING.ORG" target="_blank">BLDG-SIM-UNSUBSCRIBE@ONEBUILDING.ORG</a></p></div></blockquote></div></blockquote></div><p class="MsoNormal"> </p></div></div></body></html>