Hi All, We are working on a high-rise office project that will sit on top of an existing structure. The existing structure (5-storey retail building) has a larger footprint compared to the proposed building. We included the roof area of the existing building to our project boundary where proposed landscape vegetation will be placed. Should the top most floor (roof level) of the existing structure be considered as roof or non-roof in relation to the proposed high-rise office building?

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Crissy Tsai

Sustainability Coordinator

Webcor Builders

LEEDuser Basic Member

40 thumbs up

Mon, 07/09/2012 - 15:37

Mary Ann, Does the landscaping vegetation cover a large percentage of the roof level of the existing structure? I would not consider it as a roof but see it as just outdoor spaces on a specific level.

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