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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>I modeled a residence hall on a college campus using ASHRAE 90.1-2004 Appendix G System Type 1 – PTAC, with a system per zone. I received the following comment from the LEED Reviewer:<o:p></o:p></p><p class=MsoNormal>“Section G3.1.1 states that additional system type(s) should be used for the non-residential space types (including corridors, classrooms, lounges, public living rooms, etc.). The notes at the end of Table G3.1.1A identify which spaces are considered residential.”<o:p></o:p></p><p class=MsoNormal>The referenced note states, “Residential space types include guest rooms, living quarters, private living space, and sleeping quarters. Other building and space types are considered nonresidential.”<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>There is 4,000 ft<sup>2</sup> of classroom and conference room space. If I include corridors, common living rooms, lobby, mech/elec/data, stairwells, storage, common bathrooms and laundry, I would exceed the 20,000 ft<sup>2</sup> threshold condition of the G3.1.1 exception.<o:p></o:p></p><p class=MsoNormal>The example given in the User’s Manuals as a qualifying exception is “a residential tower with retail and restaurants at the base”. <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Does anyone think this necessitates additional system types? (System 3 presumably, one per zone.)<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal>Bill<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><img width=496 height=123 id="Picture_x0020_1" src="cid:image001.jpg@01CC2CD4.3C71ED90" alt="Signature in jpg form"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>