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<p class="MsoNormal"><span style="color:#1F497D">Felt like a response was warranted to clarify how this works.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">There is no need to copy/paste from Vista or generate a separate schedule in IES VE. IES have a GUI for Radiance which allows the user to place a sensor in a zone, create a control algorithm for that sensor
(more accurately, create a means for how the sensor should either dim or “step” lights on/off), run an annual daylight simulation using Radiance (for which we have an algorithm that looks at various sky conditions throughout the year and relates them to the
sky conditions in the climate file), then, by means of simply ticking a box, feed the results of that annual daylight simulation directly into the thermal simulation.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">It is true that you can export the actual hourly illuminance levels from Vista – but (again) there is no need to do that in order to use the results in the thermal simulation within the VE. In other words –
it’s not very labor intensive to actually incorporate an annual Radiance simulation into the thermal simulation.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">That’s the short version. If anyone is interested in learning more (as I don’t wish to turn this into an IES thread), I’m sure you’ll let me know.
</span><span style="font-family:Wingdings;color:#1F497D">J</span><span style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:13.0pt;font-family:"Arial","sans-serif";color:#006B6E">Nathan Kegel</span></b><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:#006B6E">
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<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial","sans-serif";color:#006B6E">**Design, Simulate + Innovate with the
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<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" 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>Kent Beason<br>
<b>Sent:</b> Wednesday, August 14, 2013 4:20 PM<br>
<b>To:</b> 'Sami, Vikram'; 'Bishop, Bill'; 'David Griffin'; 'Busman, Michael R'; equest-users@lists.onebuilding.org<br>
<b>Subject:</b> Re: [Equest-users] Input function with daylight factors for accurate daylighting<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">The following article is a good read since it is related:
<a href="http://www.nrel.gov/sustainable_nrel/pdfs/47522.pdf">http://www.nrel.gov/sustainable_nrel/pdfs/47522.pdf</a>. Some background info is given with regard to the shortfalls of DOE2 daylighting vs backward raytracing aka Radiance-based tools also, so
I thought I'd post it for reference. It also gives a good play-by-play in context of the NREL RSF case study, which incorporated the use of SPOT, an Excel-based tool which runs Radiance in the background.
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">That said, IESVE currently would fit better in your process obviously since it's already being used in the project as you say. Similarly, as is described for SPOT in the article, exporting a dimming
schedule from IES is simple from its Vista module once the simulation is done, and then imported into eQuest. Apparently lots of other schedules were created during the RSF design with software tools better suited for various analyses but the central energy
model was crunched by eQuest I believe using those imported schedules. SPOT may still be of use as it is supposed to find the optimal sensor placement, but any sensor placement will need to be consistent with actual lighting layout/circuits anyways. Anyone
familiar with SPOT might be able to contribute.<b><o:p></o:p></b></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span lang="EN-US" style="color:black">Kent Beason<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">-------------------------<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">office - 903 581 2291<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:black">cell - 830 609 8904<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Sami, Vikram [<a href="mailto:vikram.sami@zgf.com">mailto:vikram.sami@zgf.com</a>]
<br>
<b>Sent:</b> Tuesday, August 13, 2013 7:26 PM<br>
<b>To:</b> Bishop, Bill; David Griffin; 'Busman, Michael R'; <a href="mailto:equest-users@lists.onebuilding.org">
equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] Input function with daylight factors for accurate daylighting<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial Narrow","sans-serif";color:#1F497D">Couple of suggestions:<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial Narrow","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-family:"Arial Narrow","sans-serif";color:#1F497D"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"Arial Narrow","sans-serif";color:#1F497D">Run the model in IES – I think they have a better daylight algorithm.
<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo2"><![if !supportLists]><span lang="EN-US" style="font-family:"Arial Narrow","sans-serif";color:#1F497D"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span lang="EN-US" style="font-family:"Arial Narrow","sans-serif";color:#1F497D">Use Daysim - you can get hourly light level readings from Daysim that you can postprocess to create a lighting schedule in eQUEST. This is probably
fairly labor intensive. <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial Narrow","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt"><b><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#E33B45">Vikram Sami</span></b><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">Associate Partner</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt"><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"> <o:p></o:p></span></p>
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<p class="MsoNormal" style="line-height:12.0pt"><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">ZGF ARCHITECTS LLP</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><br>
</span><b><span style="font-size:7.5pt;font-family:"Futura LT Book";color:#E33B45">T
</span></b><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">206.521.3509
</span><b><span style="font-size:7.5pt;font-family:"Futura LT Book";color:#E33B45">E
</span></b><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666"><a href="mailto:vikram.sami@zgf.com">vikram.sami@zgf.com</a></span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><br>
</span><span style="font-size:9.0pt;font-family:"Futura LT Book";color:#666666">925 Fourth Avenue, Suite 2400
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Seattle, WA 98104</span><span style="font-size:12.0pt;font-family:"Times New Roman","serif";color:#1F497D"><o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial Narrow","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a> [<a href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Bishop, Bill<br>
<b>Sent:</b> Friday, August 09, 2013 1:42 PM<br>
<b>To:</b> David Griffin; 'Busman, Michael R'; <a href="mailto:equest-users@lists.onebuilding.org">
equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] Input function with daylight factors for accurate daylighting<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">David,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">You can get a sense of the clerestory windows, curtain walls etc. in these views. Obviously, this will be fun geometry in eQUEST. The design team is also modeling it in IES-VE – I will see if they
can get me their daylighting output for comparison.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><img border="0" width="1486" height="545" id="Picture_x0020_2" src="cid:image005.png@01CE990C.CD744710"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><img border="0" width="1310" height="716" id="Picture_x0020_5" src="cid:image006.png@01CE990C.CD744710"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">~Bill<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> David Griffin [<a href="mailto:dgriffin@etcgrp.com">mailto:dgriffin@etcgrp.com</a>]
<br>
<b>Sent:</b> Friday, August 09, 2013 4:30 PM<br>
<b>To:</b> 'Busman, Michael R'; Bishop, Bill; <a href="mailto:equest-users@lists.onebuilding.org">
equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> RE: [Equest-users] Input function with daylight factors for accurate daylighting<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D">Bill,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D">Since eQUEST utilizes a split flux calculation which averages lighting levels, it is not super accurate when it comes to daylighting. You can, however, use daylighting
to approximate energy savings in eQUEST using appropriately zoned perimeters spaces and sunspaces.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D">If you truly want accurate daylighting in eQUEST, you’re going to have to use a third party software and create an 8760 schedule within eQuest to reflect the results
(I suggest using a GUI for Radiance such as AGi32).<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D">If I knew exactly what you were trying to do and had a better sense of the geometry you are working with, I could assist you further.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D">Unlike Mike, the song is BEFORE my time, but I’ll spare you the old guy jokes ;)<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
<div>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D">Thanks</span><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D">,<o:p></o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></b></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D">David Griffin<o:p></o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#B8CCE4">Energy Analyst<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D">ETC Group, LLC<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D">801.278.1927 ext. 128<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D">Cell 480.235.0899<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:#17365D">Fax 801.486.0668<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><a href="mailto:dgriffin@etcgrp.com"><span style="color:black;text-decoration:none">dgriffin@etcgrp.com</span></a><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:10.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D"><img border="0" width="112" height="27" id="Picture_x0020_0" src="cid:image007.jpg@01CE990C.CD744710" alt="Copy of ETC_LogoOnly2_rgb_sm.png"></span><span lang="EN-US" style="font-size:6.0pt;font-family:"Arial","sans-serif";color:black"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:6.0pt;font-family:"Arial","sans-serif";color:black">1997 South 1100 East, Suite 201, Salt Lake City, UT 84106-4471 –
<a href="http://www.etcgrp.com/">www.etcgrp.com</a><o:p></o:p></span></p>
<p class="MsoNormal" style="margin-bottom:12.0pt"><span lang="EN-US" style="font-size:6.0pt;font-family:"Arial","sans-serif";color:black">-------------------------------------------------------------------------------------------------------------------
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CONFIDENTIALITY NOTICE This e-mail transmission, and any documents, files or previous e-mail messages attached to it may contain confidential information that is legally privileged. If you are not the intended recipient or the person responsible for delivering
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<p class="MsoNormal"><span lang="EN-US" style="font-family:"Arial","sans-serif";color:#17365D"><o:p> </o:p></span></p>
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<div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in">
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Busman, Michael R [<a href="mailto:MBusman@chevron.com">mailto:MBusman@chevron.com</a>]
<br>
<b>Sent:</b> Thursday, August 08, 2013 2:56 PM<br>
<b>To:</b> Bishop, Bill; <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> Re: [Equest-users] Input function with daylight factors for accurate daylighting<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Bill,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Sorry, but I can’t help you out on your daylighting question. I’m also sorry, but the song was AFTER my time. I’m more into 60’s & 70’s music and boogie woogie and piano blues artists who died
50 or more years ago. </span><span lang="EN-US" style="font-size:22.0pt;font-family:Wingdings;color:#1F497D">J</span><span lang="EN-US" style="color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="color:#1F497D">Mike Busman<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="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 lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">
<a href="mailto:equest-users-bounces@lists.onebuilding.org">equest-users-bounces@lists.onebuilding.org</a> [<a href="mailto:equest-users-bounces@lists.onebuilding.org">mailto:equest-users-bounces@lists.onebuilding.org</a>]
<b>On Behalf Of </b>Bishop, Bill<br>
<b>Sent:</b> Thursday, August 08, 2013 10:25 AM<br>
<b>To:</b> <a href="mailto:equest-users@lists.onebuilding.org">equest-users@lists.onebuilding.org</a><br>
<b>Subject:</b> [Equest-users] Input function with daylight factors for accurate daylighting<o:p></o:p></span></p>
</div>
</div>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I am modeling a building with many clerestory windows of various orientations in a complex roof geometry. I would like to accurately model the daylighting savings in eQUEST. Has anyone had luck creating an input function
that uses daylight illuminance factors, <a href="http://simulationresearch.lbl.gov/dirpubs/complex_dayltg.pdf">
as described by Steve Baker</a> back when Bush Sr. was president and <a href="http://www.youtube.com/watch?v=9EcjWd-O4jI">
this song</a> was a Top 10 hit? “Limitations of the Daylighting Calculation” and an “Example of Using Measured Daylight Factors” using an input function are described in the DOE-2 help.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Bill<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Franklin Gothic Medium","sans-serif";color:black">William Bishop, PE, BEMP, BEAP, LEED AP
</span></b><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Franklin Gothic Medium","sans-serif";color:#006600">|</span></b><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Franklin Gothic Medium","sans-serif";color:black"> Pathfinder Engineers
& Architects LLP<o:p></o:p></span></b></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial","sans-serif";color:black">Senior Energy Engineer<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:5.0pt;font-family:"Arial","sans-serif";color:black"><o:p> </o:p></span></p>
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</span><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial","sans-serif"">Rochester, NY 14608<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial","sans-serif"">T: (585) 325-6004
<span style="color:black">Ext. 114</span></span><span lang="EN-US" style="font-size:12.0pt;font-family:"Times New Roman","serif"">
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