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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Tim,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Table G3.1, No. 6(d) states: &#8220;Lighting
system power shall include all lighting system components shown or provided for
on the plans (including lamps and ballasts and task and furniture-mounted
fixtures). <b><span style='font-weight:bold'>Exception:</span></b> For
multifamily living units, hotel/motel guest rooms, and other spaces in which lighting
systems are connected via receptacles and are not shown or provided for on
building plans, assume identical lighting power for the <i><span
style='font-style:italic'>proposed</span></i> and <i><span style='font-style:
italic'>baseline designs</span></i> in the simulations, but exclude these loads
when calculating the <i><span style='font-style:italic'>baseline building
performance</span></i> and <i><span style='font-style:italic'>proposed building
performance</span></i>.&#8221; [Emphasis in original.]<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The way I would implement this is to
assign the same W/ft<sup>2</sup> lighting to all dorm rooms on a different
meter in both the baseline and proposed designs. Then I would subtract the kWh
of that meter from the building performance. You could still show lighting
savings if you do the space-by-space method for both designs (assuming the
lighting in your corridors and common areas is efficient).<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Regards,<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Bill<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p>&nbsp;</o:p></span></font></p>

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<p class=MsoNormal><b><font size=2 color=black face="Franklin Gothic Medium"><span
style='font-size:10.0pt;font-family:"Franklin Gothic Medium";color:black;
font-weight:bold'>William Bishop</span></font></b><b><font size=2 color=black
face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;font-family:
"Franklin Gothic Medium Cond";color:black;font-weight:bold'>, EIT, LEED<sup>&reg;</sup>
AP</span></font></b><b><font size=2 color="#003300"
face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;font-family:
"Franklin Gothic Medium Cond";color:#003300;font-weight:bold'> </span></font></b><b><font
size=2 color=green face="Franklin Gothic Medium Cond"><span style='font-size:
10.0pt;font-family:"Franklin Gothic Medium Cond";color:green;font-weight:bold'>|</span></font></b><b><font
size=2 color="#003300" face="Franklin Gothic Medium Cond"><span
style='font-size:10.0pt;font-family:"Franklin Gothic Medium Cond";color:#003300;
font-weight:bold'> </span></font></b><b><font size=2 color=black
face="Franklin Gothic Medium Cond"><span style='font-size:10.0pt;font-family:
"Franklin Gothic Medium Cond";color:black;font-weight:bold'>Pathfinder
Engineers LLP<o:p></o:p></span></font></b></p>

<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;font-family:Arial;color:black'>Mechanical Engineer<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
3.0pt;font-family:Arial;color:black'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><st1:address w:st="on"><st1:Street w:st="on"><font size=1
  color=black face=Arial><span style='font-size:9.0pt;font-family:Arial;
  color:black'>3300 Monroe Ave., Suite 306</span></font></st1:Street><font
 size=1 color=black face=Arial><span style='font-size:9.0pt;font-family:Arial;
 color:black'> <br>
<st1:City w:st="on">Rochester</st1:City>, <st1:State w:st="on">NY</st1:State>&nbsp;
 <st1:PostalCode w:st="on">14618</st1:PostalCode></span></font></st1:address><font
size=1 color=black face=Arial><span style='font-size:9.0pt;font-family:Arial;
color:black'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;font-family:Arial;color:black'>TEL&nbsp;(585) 218-0730 Ext. 114<br>
FAX&nbsp;(585) 218-0737 <o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;font-family:Arial;color:black'>bbishop@pathfinderengineers.com<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
3.0pt;font-family:Arial;color:black'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoNormal><font size=1 color=black face=Arial><span style='font-size:
9.0pt;font-family:Arial;color:black'>www.pathfinderengineers.com<o:p></o:p></span></font></p>

<p class=MsoNormal><font size=5 color=green face=Webdings><span
style='font-size:18.0pt;font-family:Webdings;color:green'>P</span></font><font
color=green><span style='color:green'> </span></font><font size=1 color=green><span
style='font-size:7.5pt;color:green'>Please consider the environment before
printing this email</span></font><font color=green><span style='color:green'><o:p></o:p></span></font></p>

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<div class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>

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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
bldg-sim-bounces@lists.onebuilding.org
[mailto:bldg-sim-bounces@lists.onebuilding.org] <b><span style='font-weight:
bold'>On Behalf Of </span></b>Howe, Timothy<br>
<b><span style='font-weight:bold'>Sent:</span></b> Thursday, November 20, 2008
4:10 PM<br>
<b><span style='font-weight:bold'>To:</span></b> bldg-sim@lists.onebuilding.org<br>
<b><span style='font-weight:bold'>Subject:</span></b> [Bldg-sim] Dormitory LPD</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p>&nbsp;</o:p></span></font></p>

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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Sim-users,</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>I have a dormitory with something like 3/4
dorms and the rest support areas.</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>My question is:</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>ASHRAE 90.1-2004 calls for in the building
wide approach for lpd to be 1.0 w/sf for dorms.</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Now if there are wall switched&nbsp;fixed
lights called for on the electrical lighting plans in the dorm rooms
but&nbsp;have&nbsp;only a small w/sf contribution, can I really do a building
wide lpd calc and claim the savings shown on the plans??</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Any suggestions??</span></font><o:p></o:p></p>

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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>&nbsp;<o:p></o:p></span></font></p>

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<p class=MsoNormal><font size=2 color=blue face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:blue'>Thanks.</span></font><o:p></o:p></p>

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