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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Karen,<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'>Can you follow Addendum dn in this case? (See attached.) This scenario is exactly why the ECB subcommittee drafted dn.<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'>The warehouse area is the “predominant condition” for this building and unfortunately the non-warehouse area is less than 20,000 sqft which would have allowed Exception a of G3.1.1 to come into play. System 5 is the baseline system for the entire baseline building design. You could investigate if Exceptions b or c to G3.1.1 apply.<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'>Is the warehouse heated with a total output capacity greater than or equal to 3.4 </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Btu/h*</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>ft<sup>2</sup></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>? If <u>yes</u> then</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'> the warehouse is considered a conditioned space and must be both heated and cooled per section 10 of Table G3.1. (Note that letter d. of section 10 requires the Proposed to also be heated and cooled with a system identical to that of the baseline.) If <u>no</u> then the warehouse is not considered a conditioned space and its baseline system shall match the proposed. That would then also allow the non-warehouse area to fall under baseline system 3.<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'>One last note. Even though you may be required to cool a space in your model that in reality is heated only, your cooling setpoints must be the same between the baseline and </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>proposed but you’re only required to have a </span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>5<sup>o</sup> F dead band between your cooling and heating setpoints. 95<sup>o</sup> F is definitely 5<sup>o</sup> F greater than say 70<sup>o</sup> F. Food for thought… ;)<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><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:#1F497D'>Scott Hintz<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:7.5pt;font-family:"Tahoma","sans-serif";color:#1F497D'>CEM, LEED-AP BD+C, BEMP</span></b><span style='font-size:10.0pt;font-family:"Century Gothic","sans-serif";color:#17365D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Century Gothic","sans-serif";color:#17365D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Century Gothic","sans-serif";color:#17365D'>HVAC & Energy<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Century Gothic","sans-serif";color:#17365D'>Sustaining Systems Engineering (SSE)<br></span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><img width=55 height=9 id="Picture_x0020_1" src="cid:image001.png@01CD8791.5EC6B1A0" alt="cid:image003.jpg@01CB8011.2E333BA0"> </span><span style='font-size:8.0pt;font-family:"Century Gothic","sans-serif";color:#17365D'>Federal Technical Services</span><span style='font-size:8.0pt;font-family:"Calibri","sans-serif";color:#17365D'><br></span><span style='font-size:8.0pt;font-family:"Century Gothic","sans-serif";color:#17365D'>Kennedy Space Center, FL<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><a href="mailto:henry.d.turner@nasa.gov"><span style='font-size:8.0pt;font-family:"Century Gothic","sans-serif"'>scott.f.hintz@nasa.gov</span></a></span><span style='font-size:8.0pt;font-family:"Century Gothic","sans-serif";color:#17365D'><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 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"'> Karen Smith [mailto:skaren758@gmail.com] <br><b>Sent:</b> Thursday, August 30, 2012 3:57 PM<br><b>To:</b> trace-users@lists.onebuilding.org<br><b>Subject:</b> [Trace-users] Warehouse configuration on Ashrae<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Hi all,<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><o:p> </o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Im a bit confused with the classification of Ashrae 90.1 2007, Im currently modeling a facility of a total of 47,600 SF including a 28,000 SF Warehouse. The facility includes 2 levels of offices, breakrooms, etc and a double height warehouse adjacent to them. The proposed design is composed of 2 AHUs, one for the first floor, one for the second and a only heating and ventilation system based on 2 boilers for the warehouse. According to this, the baseline should be a System 5 Packaged VAV with Reheat, Packaged rooftop VAV with reheat, Direct expansion cooling type and Hot-water fossil fuel boiler for heating. One system per floor, but my confusion is on the part of the warehouse. Should I model an additional Cool and Heat System for the warehouse even though in the proposed we have it as only heating and ventilation system? If so, does it have to be the same type of system specified (System 5) or can it be System 3 or 4 instead?<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'> <o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Thanks.<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><o:p> </o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Karen Smith<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'>Sustainable Solutions, Inc<o:p></o:p></p><p class=MsoNormal style='mso-margin-top-alt:auto;mso-margin-bottom-alt:auto'><a href="tel:%28404%29%20784.7061" target="_blank">(404) 784.7061</a><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></body></html>