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<title>RE: [Equest-users] ASHRAE baseline building rotation</title>
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<div>I was recently told by USGBC reviewer to use SHGC all value for all orientations, all rotations (in other words, ignore north values).</div>
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<div>Kimberly Killian<br/>Northern Architects, Inc.<br/>207 King Street Suite 3<br/>Burlington VT 05401<br/>T: 802-658-1953<br/>F: 802-658-2975<br/><br/></div>
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<hr/>Original message<br/>From: "Andrew Mackay"
<andrew.mackay@arup.com> </andrew.mackay@arup.com><br/>To: equest-users@lists.onebuilding.org<br/>Received: 3/31/2010 5:32:49 AM<br/>Subject: [Equest-users] ASHRAE baseline building rotation<br/><br/>
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<p class="MsoNormal" align="left">ASHRAE Appendix G states that the baseline building glazing should conform with the 90.1 minimum standards. This is differentiated between north and other orientations.</p>
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<p class="MsoNormal">Therefore my baseline building has low-performance glass on north facade and higher-performance glass on other facades.</p>
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<p class="MsoNormal">My question is when rotating the baseline building during performance rating method, should the glazing be re-assigned? Ie) should each rotation meet 90.1 standards or only when the building is in its original orientation.</p>
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<p class="MsoNormal">I’m sorry this isn’t a strictly an equest question (equestion?) but I’m sure lots of you have encountered the same problem.</p>
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<p class="MsoNormal">Cheers</p>
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<p class="MsoNormal"><span style="font-family: ">Andrew MacKay</span> <br/><br/></p>
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