[BLDG-SIM] 90.1-2004 Appendix G Glazing for Baseline case

[Michael Rosenberg]

The requirement to  distribute fenestration uniformly in horizontal
bands across the four orientations has been removed from Appendix G in
the published Addenda Supplement to 90.1, 2004. See the ASHRAE website
for the supplement.

http://www.ashrae.org/technology/page/132




Michael Rosenberg
Oregon Department of Energy
625 Marion St. N.E.
Salem, OR 97301-3742
Phone : (503) 373-7809
Fax: (503) 373-7806

>>> Chris Jones <cj at cr-jay.ca> 5/16/2007 9:56:02 AM >>>
Appendix G notes that for the Baseline building: "Vertical 
fenestration areas for new buildings and additions shall equal that 
in the proposed design or 40% of gross above grade wall area, 
whichever is smaller, and shall be distributed uniformly in 
horizontal bands across the four orientations."
Does this mean that the Baseline building gets windows on all walls 
on each orientation whether or not the Design case has a window in 
all walls on each orientation.  For example, if the west orientation 
has 30% glazing overall but many spaces have no windows - some walls 
on the west face have more that 30%.  Do those spaces in the Baseline 
case get 30% glazing?  Or do I only put windows in the Baseline case 
where there are windows in the Design case.

Thanks for any help!







Chris Jones, P.Eng.
14 Oneida Avenue
Toronto, ON M5J2E3
Tel. 416 203-7465
Fax. 416 946-1005 

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