We have an office project (LEED CI 2.0) in an exsitng small building about 3500 s.f. The building is served by one existing central system that provides OA to the space. The layout of the space is very open, almost no doors, the second floor is a mezzanine that is open to the first. Basically all the outdoor air coming in is shared between spaces due to transfer and openness,etc. In addition there are two very large ceiling fans that circulate air throughout the open space. Although there are different "spaces" designated (open office, coffee area, materials storage, etc.) it doesn't seem appropriate to analyize these separately as "zones" for this credit due to the open nature of the plan. Would it be possible to analyze the space at the building level as one "zone?"
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Roger Chang
Principal, Energy and Engineering LeaderDLR Group | Westlake Reed Leskosky
LEEDuser Expert
398 thumbs up
March 23, 2011 - 3:13 pm
Greg, could you provide more detail on how the OA is brought into the space? Are there multiple injection points?
Greg Hackett
RA, LEED AP BD+CATA/Beilharz Architects
55 thumbs up
March 23, 2011 - 3:24 pm
Roger,
The OA comes into the space through multiple points. I'd estmate about 30 or so dispersed throughout the building(a combination of floor grills and ceiling diffusers).
Thanks.
Roger Chang
Principal, Energy and Engineering LeaderDLR Group | Westlake Reed Leskosky
LEEDuser Expert
398 thumbs up
April 4, 2011 - 8:32 pm
Greg, you should be fine treating the space as one zone, given your description of the OA distribution.