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<div class=Section1>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Small rotational differences are typical of buildings with similar
surface areas on the east, west, north, and south elevations. I would
only expect a significant difference if you have a very “long”
footprint, or one side of your building is largely unconditioned along the
perimeter. Conceptually, I suppose we’re being “rewarded”
for choosing an optimal orientation rotation on the building site – but
if anything we’re really being rewarded for designing “long”
building footprints as they can have a larger difference against the averaged
baseline…<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>That said, if an architect asks me at a conceptual design stage,
the most thermally efficient building shape considering exterior surface area
is theoretically a hemisphere - barring that a “cubic,” compact 3D
shape is better than any “long” shape with larger surface area for
the given volume/footprint. If the goal is to maximize LEED points
(relative baseline performance), you might suggest a thermally inefficient, but
optimally-oriented “long” shape that will do better than it’s
averaged baseline… (I wouldn’t!) If the goal is to reduce
energy consumption/utilities however for the end-users, reduce the building shape
surface area.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>~Nick<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><img width=119 height=37 id="Picture_x0020_1"
src="cid:image002.jpg@01CB19CA.D1BAA770" alt="cid:489575314@22072009-0ABB"></span><b><span
style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p> </o:p></span></b></p>
<p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Stylus BT","sans-serif";
color:#2D4D5E'>NICK CATON, E.I.T.</span></b><b><span style='font-family:"Stylus BT","sans-serif";
color:#2D4D5E'><o:p></o:p></span></b></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Calibri","sans-serif";
color:#CC9900'>PROJECT ENGINEER</span><span style='font-size:7.5pt;color:#CC9900'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>25501 west valley parkway<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>olathe ks 66061<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>direct 913 344.0036<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>fax 913 345.0617<o:p></o:p></span></p>
<p class=MsoNormal><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";
color:#2D4D5E'>Check out our new web-site @ </span></i><span style='font-size:
11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a
href="www.smithboucher.com" title="blocked::www.smithboucher.com"><span
style='font-size:10.0pt'>www.smithboucher.com</span></a></span><u><span
style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:blue'> </span></u><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
</div>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Soham
Babu<br>
<b>Sent:</b> Friday, July 02, 2010 2:29 AM<br>
<b>To:</b> Omar Katanani; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] Baseline Rotations as per ASHRAE 90.1<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Omar,<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'> Simulation for 4 rotations value will be small difference
only, in some of the cases it will be same also. it all depends upon the
building location & orientation.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Regards<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Soham<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'>
<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
equest-users-bounces@lists.onebuilding.org
[mailto:equest-users-bounces@lists.onebuilding.org] <b>On Behalf Of </b>Omar
Katanani<br>
<b>Sent:</b> Friday, July 02, 2010 12:48 PM<br>
<b>To:</b> equest-users@lists.onebuilding.org<br>
<b>Subject:</b> [Equest-users] Baseline Rotations as per ASHRAE 90.1<o:p></o:p></span></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Dear
all,</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><span
lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I
performed a simulation of my baseline building over the 4 rotations. The
difference between the lowest consumption and the highest one out of the 4 runs
was only 1.33% (1,312,500 to 1,329,200 kWh).</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><span
lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Is
this a normal value? This is my first project but I thought I would have a
bigger number.</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><span
lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Any
advice out of your experience is greatly appreciated.</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'> </span><span
lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Many
thanks,</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Omar</span><span
lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>___________________________</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Omar Katanani<br>
Sustainable Design Engineer</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'>Email: <a href="mailto:omar@ecoconsulting.net">omar@ecoconsulting.net</a></span><span
lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='color:navy'> </span><span
lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:navy'>EcoConsulting (Lebanon)</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:navy'>Nahas Building, 4<sup>th</sup> floor</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:navy'>4 St-Maron Street / Georges Haddad Avenue</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:navy'>Postal Code: 2028 5806 SAIFI</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:navy'>Beirut, Lebanon</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:navy'>Tel: </span><span
lang=EN-GB style='font-size:7.5pt;font-family:"Arial","sans-serif";color:navy'>+961
(0) 1 971 255<br>
Mobile: +961 (0) 3 045 045</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:navy'>EcoConsulting (UK) Ltd<br>
28 Marshalsea Road<br>
London, SE1 1HF<br>
Tel: +44 (0) 207 939 0989<br>
Fax: +44 (0) 207 939 0981</span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:7.5pt;font-family:"Arial","sans-serif";
color:navy'>Website: <a href="http://www.ecoconsulting.net/">www.ecoconsulting.net</a></span><span
lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p>
<p style='margin:0in;margin-bottom:.0001pt'><span lang=EN-GB style='font-size:
10.0pt;font-family:"Arial","sans-serif";color:navy'> <img border=0
width=870 height=102 id="_x0000_i1025" src="cid:image003.jpg@01CB19CA.D1BAA770"></span><span
lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial","sans-serif";
color:navy'> </span><span lang=EN-GB><o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p>
<p class=MsoNormal><span lang=EN-GB> <o:p></o:p></span></p>
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