[Bldg-sim] Exterior lighting - ASHRAE-90.1-2004

[Larry Degelman]

Page 63 of 90.1-2004 lists some surfaces as W/s.f. and some as W/linear ft.,
while others are specified as W per location.  It appears to be clear as to
what areas are being referenced in each case.  If it’s the building façade
you are questioning, it gives a choice of W/s.f. of illuminated wall surface
or W/linear ft. for each wall being illuminated.
Regards,
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Larry O. Degelman, P.E.         HYPERLINK
"mailto:ldegelman at suddenlink.net"ldegelman at suddenlink.net
Professor Emeritus of Architecture     1-979-696-2506
Texas A&M University
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From: bldg-sim-bounces at lists.onebuilding.org
[mailto:bldg-sim-bounces at lists.onebuilding.org] On Behalf Of Aulbach, John
Sent: Tuesday, January 08, 2008 3:59 PM
To: bldg-sim at lists.onebuilding.org; Kevin Kyte
Subject: [Bldg-sim] Exterior lighting - ASHRAE-90.1-2004
 
Folks:
 
A hopeful simple question.
 
Page 63 of ASHRAE 90.1-2004 shows lighting power densities for Building
Exteriors. It is all stated in watt/square foot.
 
Watts per square foot of WHAT? Building sf ??  Parking Lot acreage?
 
It would seem that building w/sf would be unfair, as an expansive parking
lot (such as in Las Vegas casinos) would be unfairly penalized?
 
Answers?
 
Thanks.
 
John R. Aulbach, PE, CEM
Project Manager
Nexant, Inc.
100 North Barranca, Suite 820
West Covina, CA 91791 USA
Phone: 626-430-9054
Fax: 626-430-9060
email: HYPERLINK "mailto:jaulbach at nexant.com"jaulbach at nexant.com
 

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