My project has a cellar level that extends beyond the building footprint. At street-level, there will be a plaza constructed over this portion of the cellar level which includes vegetation, pavers and seating - this plaza is 100% of the project's non-roof area. However, I just want to verify that this street-level plaza will not somehow fall into the 'roof' category since there will be conditioned corridors, storage and IT room in the cellar below. Logically, this exterior plaza is non-roof but I just don't want to run into any complications with LEED definitions - all of the LEED Interpretations I found only addressed below-grade parking but did not specify what to do with cellar spaces covered by sidewalk/landscape/etc. Thanks in advance for sharing any experience or input on this!

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Crissy Tsai

Sustainability Coordinator

Webcor Builders

LEEDuser Basic Member

40 thumbs up

Tue, 09/03/2013 - 14:46

Carly, I do not think you should have an issue with reviewers thinking the cellar space covered an at grade plaza is a roof. I submitted a project that had a at grade plaza covering an athetic performance center. Make sure to provide a clear narrative when documenting the credit, so the reviewers completely understand project conditions.

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At-Grade Plaza w/ Cellar Space Below

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