[Bldg-sim] ASHRAE 90.1 Window to Wall area definition

[Shaun Martin]

Page 213 of 90.1-2010 says “above-grade”

 

Shaun

 

Shaun Martin LEED-AP, BEMP

Principal

Shaun Martin Consulting

#90 – 425 Carrall Street

Vancouver, BC  V6B 6E3

p. 604-789-1095

 

 

 

From: Bldg-sim [mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Jones, Christopher
Sent: Thursday, October 15, 2015 10:15 AM
To: bldg-sim at lists.onebuilding.org
Subject: [Bldg-sim] ASHRAE 90.1 Window to Wall area definition

 

I know this question has been asked before but I could not find a related thread.

 

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.  

 

Can someone confirm that the WWR calculation is based on above grade wall area plus below grade wall area?

 

 



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

 

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