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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Hi Nick,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Please see section 2.4.1 of the City of Vancouver Energy Modelling Guidelines (attached) for instructions on how to convert blower door test data to infiltration rates for energy modelling.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">With kind regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="mso-fareast-language:EN-US">Torsten<o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Lucida Sans",sans-serif;color:#2E74B5"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Lucida Sans",sans-serif;color:#2E74B5">Torsten Ely |
</span></b><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Sans",sans-serif;color:#2E74B5">M.Sc, Dipl–Ing, CPHD</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Lucida Sans",sans-serif;color:#2E74B5"><br>
</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Sans",sans-serif;color:#2E74B5">Energy and Sustainability Analyst<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Sans",sans-serif;color:#2E74B5">RDH Building Science Inc.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;font-family:"Lucida Sans",sans-serif;color:#2E74B5">T 250 479 1110 x118 | C 250 217 4156<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.0pt;font-family:"Lucida Sans",sans-serif;color:#ED7D31">Questions about COVID-19 and RDH?
<a href="https://can01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.rdh.com%2Fblog%2Fprecautions-we-are-taking-in-response-to-covid19%2F&data=02%7C01%7Ctely%40rdh.com%7C19da7b4241b944a068a608d7c79caa37%7Cdca12ebbfba844fc9f5b92c4901d79ec%7C0%7C0%7C637197348043189269&sdata=HGm4bqrvH9TNI5YSawNIpY2%2Bp%2BgKbPG31TT7myWsXx0%3D&reserved=0">
Click here</a> to learn more.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span style="color:#009900">We have moved and are now located at:<o:p></o:p></span></b></p>
<p class="MsoNormal"><b><span style="color:#009900">602 – 740 Hillside Avenue, Victoria BC V8T 1Z4<o:p></o:p></span></b></p>
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<p class="MsoNormal"><span style="mso-fareast-language:EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Nicholas Caton <Nicholas.Caton@se.com>
<br>
<b>Sent:</b> Friday, October 30, 2020 7:07 AM<br>
<b>To:</b> Daric Adair <Daric.Adair@hendersonengineers.com>; Phil Jordan <phil.jordan@clearesult.com>; Keith Swartz <KSwartz@seventhwave.org><br>
<b>Cc:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] eQUEST infiltration rate<o:p></o:p></span></p>
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</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I am not as read up on this matter as I have been in years past*, but I think an important thing to consider here is that 90.1 is prescribes envelope leakage corresponding to pressures typical of blower door tests, which
in turn reflect pressures corresponding to rather extreme weather (wind velocity) conditions. Concurrently, eQuest is set to normalize infiltration around more modest wind pressures, with intent to allow natural ventilation to vary with hourly windspeed data
from the weather BIN. Apples and oranges, in a sense.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I’ve attached messages from a prior [equest-users] thread, with contributions from myself and Keith Swartz. If ever someone were equipped/able to update the doe2 reference manual and provide commentary around infiltration
inputs relative to 90.1 prescriptions and real-world envelope airtightness testing… they might find these to be a helpful resource =).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Kind regards!<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">~Nick<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">* At one point, in the course of one of the lowdown showdown competitions, I worked on developing a excel tool to bridge eQuest infiltration inputs and real-world blower testing results. That involved reading up a lot
on blower testing methodology and how envelope airtightness is prescribed/executed in different municipalities and countries around the world. This entailed a sort of “literature review” of prescriptive standards / green building standards / etc… If I learned
anything, it was that this is a hard sort of tool to build that isn’t ultimately region/standard specific (down to an AHJ level), as variances in how blower test performances are performed/recorded can generate very different ideas of what constitutes good/acceptable/poor
levels of infiltration for prescriptive purposes. This was however a number of years ago and it’s possible some national/international consistency may have developed (particularly among jurisdictions where infiltration testing is done with some regularity).
I’d love to hear from anyone in such an area who has “figured out” a defensible approach to marrying real-world blower testing (with specific methodology) to energy model inputs.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial",sans-serif;color:#3A7A46"><img border="0" width="624" height="8" style="width:6.5in;height:.0833in" id="_x0000_i1025" src="cid:image001.jpg@01D6AEC7.66253E10"><o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-family:"Arial",sans-serif;color:#3A7A46">Nick Caton, P.E. (US), BEMP</span></b><span lang="EN-US" style="color:#3A7A46"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#626469"> Senior Energy Engineer</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#626469"> Energy Manager, Yokota Airbase<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#626469"> ESS - Energy & Sustainability Services</span><span style="font-size:9.0pt;color:#1F497D"><o:p></o:p></span></p>
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</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#57B069">M JP</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#57B069">Email</span><span style="font-size:9.0pt;color:#1F497D">
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#626469">785 . 410 . 3317<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#626469">… TBD …<o:p></o:p></span></p>
<p class="MsoNormal"><a href="mailto:nicholas.caton@se.com"><span style="font-size:9.0pt;color:#626469">nicholas.caton@se.com</span></a><span style="font-size:9.0pt;color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#626469">15200 Santa Fe Trail Drive<br>
Suite 204<br>
Lenexa, KS 66219 USA</span><span style="font-size:9.0pt;color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial",sans-serif;color:#3A7A46"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="JA" style="font-family:"Yu Gothic",sans-serif;color:#3A7A46;mso-fareast-language:JA">ニック ケートン</span></b><b><span lang="EN-US" style="font-family:"Arial",sans-serif;color:#3A7A46">, P.E. (US), BEMP</span></b><span lang="EN-US" style="color:#3A7A46"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="JA" style="font-size:9.0pt;font-family:"Yu Gothic",sans-serif;color:#626469;mso-fareast-language:JA">シニアエネルギーエンジニア</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D"><br>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#626469">ESS -
</span><span lang="JA" style="font-size:9.0pt;font-family:"Yu Gothic",sans-serif;color:#626469;mso-fareast-language:JA">エナジー持続可能性サービス</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#626469"><o:p></o:p></span></p>
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<p class="MsoNormal" align="right" style="text-align:right"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#57B069">M US</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#57B069">M JP</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#57B069">Email</span><span style="font-size:9.0pt;color:#1F497D">
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#626469">785 . 410 . 3317<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#626469">… TBD …<o:p></o:p></span></p>
<p class="MsoNormal"><a href="mailto:nicholas.caton@se.com"><span style="font-size:9.0pt;color:#626469">nicholas.caton@se.com</span></a><span style="font-size:9.0pt;color:#1F497D"><o:p></o:p></span></p>
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<td width="168" valign="top" style="width:126.0pt;padding:0cm 0cm 0cm 7.2pt">
<p class="MsoNormal" align="right" style="text-align:right"><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#626469">15200 Santa Fe Trail Drive<br>
Suite 204<br>
Lenexa, KS 66219 USA</span><span style="font-size:9.0pt;color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Equest-users <<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>>
<b>On Behalf Of </b>Daric Adair via Equest-users<br>
<b>Sent:</b> Wednesday, October 28, 2020 10:39 PM<br>
<b>To:</b> Phil Jordan <<a href="mailto:phil.jordan@clearesult.com">phil.jordan@clearesult.com</a>>;
<a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] eQUEST infiltration rate<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p><span lang="EN-US" style="color:red">[External email: Use caution with links and attachments]</span><span lang="EN-US"><o:p></o:p></span></p>
<div class="MsoNormal" align="center" style="text-align:center"><span lang="EN-US">
<hr size="2" width="100%" align="center">
</span></div>
<p><span lang="EN-US"> <o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US">The 0.038 cfm/ft2 is the Wizard Default. We typically override it to a higher value, but not to 0.4 cfm/sf. That’s at a pressure well above typical building pressurization. We’ve used 0.04 and 0.05 in the past with no
questions asked. ASHRAE 90.1-2016 G3.1.1.4 has defined a method to determine the infiltration rate.<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:#44546A"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal" style="background:white"><b><span lang="EN-US" style="font-family:"Arial",sans-serif;color:#383A35;text-transform:uppercase">DARIC ADAIR</span></b><span lang="EN-US" style="font-size:7.0pt;font-family:"Arial",sans-serif;color:#383A35;text-transform:uppercase"> PE,
CEM, BEMP</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#383A35"><br>
Mechanical Engineer, Energy Analyst<br>
<br>
</span><span lang="EN-US" style="color:black"><a href="https://eur02.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.hendersonengineers.com%2F%3Futm_source%3Dhei%26%26utm_medium%3Demail%26%26utm_campaign%3Dhei-shortsignature&data=04%7C01%7CNicholas.Caton%40se.com%7C437513de1c964654e74708d87b46dfba%7C6e51e1adc54b4b39b5980ffe9ae68fef%7C0%7C1%7C637394891615815268%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=zAAhclDuid4et3AldgFLC%2FhPIj9dZ2ir9wutbA4k0UQ%3D&reserved=0"><b><span style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#008C15;text-transform:uppercase">HENDERSON
ENGINEERS</span></b></a></span><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#383A35"><br>
<a href="mailto:daric.adair@hendersonengineers.com"><span style="color:#383A35">daric.adair@hendersonengineers.com</span></a><br>
<br>
</span><b><span lang="EN-US" style="font-size:7.0pt;font-family:"Arial",sans-serif;color:#383A35;text-transform:uppercase">LICENSED IN</span></b><span lang="EN-US" style="font-size:7.0pt;font-family:"Arial",sans-serif;color:#383A35;text-transform:uppercase"> KS</span><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Phil Jordan <<a href="mailto:phil.jordan@clearesult.com">phil.jordan@clearesult.com</a>>
<br>
<b>Sent:</b> Monday, October 26, 2020 11:15 AM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] eQUEST infiltration rate<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Is that the default the wizard uses? I believe it’s been 0.4 cfm/ft2 (@ 0.3 in. of water) for the past few cycles of 90.1 at least (Section 5.4.3).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.5pt;font-family:"Arial",sans-serif;color:#005E68">Phil Jordan</span></b><span lang="EN-US"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US">From:</span></b><span lang="EN-US"> Equest-users <<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a>>
<b>On Behalf Of </b>Lapierre, Patrick via Equest-users<br>
<b>Sent:</b> Monday, October 26, 2020 9:09 AM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> [Equest-users] eQUEST infiltration rate<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="FR-CA">Hello all,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="FR-CA"> <o:p></o:p></span></p>
<p class="MsoNormal">Does anyone remember where in ASHRAE is referenced the default value for infiltration (0.38 cfm/ft2) that eQUEST uses?<span lang="FR-CA"><o:p></o:p></span></p>
<p class="MsoNormal">I can’t seem to trace it back, yet I’m pretty sure it comes from ASHRAE.<span lang="FR-CA"><o:p></o:p></span></p>
<p class="MsoNormal"> <span lang="FR-CA"><o:p></o:p></span></p>
<p class="MsoNormal">Thank you,<span lang="FR-CA"><o:p></o:p></span></p>
<p class="MsoNormal"> <span lang="FR-CA"><o:p></o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Arial Black",sans-serif;color:#3F3F3F;mso-fareast-language:FR-CA">Patrick</span></b><b><span style="font-size:10.0pt;font-family:"Arial Black",sans-serif;mso-fareast-language:FR-CA"> <span style="color:#3F3F3F">Lapierre</span></span></b><b><span style="font-size:10.0pt;font-family:"Arial",sans-serif;color:#7D7D7D;mso-fareast-language:FR-CA">_ing.
BEMP, Chargé de projets</span></b><o:p></o:p></p>
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