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<DIV><SPAN class=890045312-05122001><FONT face=Arial color=#0000ff size=2>I
recall a study by the British Columbia Energy Management Task Force that
monitored the current draw on outlet circuits in a couple of buildings in the
mid-1990's. As suggested below, it found plug loads to be in the order of
0.75 to 0.85W/ft² during the day. The interesting part was
the unoccupied plug loads of around 0.35W/ft².
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<DIV class=OutlookMessageHeader><FONT face="Times New Roman"
size=2>-----Original Message-----<BR><B>From:</B> postman@gard.com
[mailto:postman@gard.com]<B>On Behalf Of</B> Tom Anderson<BR><B>Sent:</B>
Wednesday, December 05, 2001 5:47 AM<BR><B>To:</B>
BLDG-SIM@gard.com<BR><B>Cc:</B> BLDG-SIM@gard.com<BR><B>Subject:</B>
[BLDG-SIM] Internal Loads for Office Buildings<BR><BR></FONT></DIV>If by high
tech buildings you are referring to a modern office buildings, then loads from
desktop PC's, monitors, printers, copiers, etc. typically will be about .5
watts per square foot, but may range from .5 to 1.0 watts per foot. Note
the actual power use by such equipment is well below the nameplate power data.
<P>Refer to published ASHRAE papers, starting in 1994, authored by Chris
Wilkins, who reported on extensive monitoring of such loads in real world
office buildings.
<P>Lighting loads, refer to 90.1-1999 for maximum power densities permissible
for office occupancies. But lighting designers who apply efficient
fixtures for interior lighting design can easily achieve excellent
illumination levels using well below 1.0 watts per foot.
<DL>
<DD><FONT size=-1>Thomas E. Anderson</FONT>
<DD><FONT size=-1>President</FONT>
<DD><FONT size=-1>Cx Associates, Ltd.</FONT>
<DD><FONT size=-1>Building Commissioning Specialists</FONT>
<DD><I><FONT size=-1><A
href="http://www.cx-assoc.com">http://www.cx-assoc.com</A></FONT></I>
<DD><I><FONT size=-1>933 Road 101</FONT></I>
<DD><I><FONT size=-1>Jeffersonville, Vermont 05464 USA</FONT></I>
<DD><I><FONT size=-1>hvac@cx-assoc.com</FONT></I>
<DD><I><FONT size=-1>Tel: 802-644-5616 Fax: 802-644-6797</FONT></I> </DD></DL>
<P>Samuel Hassid wrote:
<BLOCKQUOTE TYPE="CITE"> what is the accepted value for internal loads
in a high tech building ?
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