[Equest-users] Spandrel Modeling

[Jones, Christopher via Equest-users]

Hi Brian,
That is interesting about the MECB. If you define the spandrel as a window, does it get included in the glazing area for the FWDR calculation? Or does it get included in the opaque walls? If included in the glazing area, it could reduce the prescriptive glazing area significantly.



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Christopher Jones, P.Eng.
Senior Engineer

WSP Canada Inc.
2300 Yonge Street, Suite 2300
Toronto, ON M4P 1E4
T +1 416-644-4226
F +1 416-487-9766
C +1 416-697-0056

www.wspgroup.com<http://www.wspgroup.com/>

From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Brian Fountain via Equest-users
Sent: Tuesday, June 28, 2016 8:41 AM
To: Jones, Christopher
Cc: equest-users at onebuilding.org
Subject: Re: [Equest-users] Spandrel Modeling

Unless you are in Manitoba where the MECB explicitly defines spandrels as windows.

From: Jones, Christopher via Equest-users
Sent: Tuesday, June 28, 2016 7:42 AM
To: Darryl Kasun
Reply To: Jones, Christopher
Cc: equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>
Subject: Re: [Equest-users] Spandrel Modeling


Spandrel panels are exterior opaque walls, not glazing. SC and VT do not get set for opaque walls. You can building your spandrel using layer-by-layer or by simply specifying an R-value. A typical spandrel panel with 4” of semi-rigid insulation realizes about R-6 depending on the ratio of spandrel to framing.




[cid:image003.png at 01D09C46.E75BA0D0]
Christopher Jones, P.Eng.
Senior Engineer

WSP Canada Inc.
2300 Yonge Street, Suite 2300
Toronto, ON M4P 1E4
T +1 416-644-4226
F +1 416-487-9766
C +1 416-697-0056

www.wspgroup.com<http://www.wspgroup.com/>

From: Equest-users [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Darryl Kasun via Equest-users
Sent: Monday, June 27, 2016 7:26 PM
To: equest-users at lists.onebuilding.org<mailto:equest-users at lists.onebuilding.org>
Subject: [Equest-users] Spandrel Modeling

Hi everybody!

I’m modeling spandrel sections.  I have the conductance calculated and just want to make sure I get the SC, VT and outside emissivity correct.

I have both the shading coefficient and visible transmittance set at 0 – please correct me if wrong.

What should I set the outside emissivity to?

Thanks!
Darryl



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