Quote:
Originally Posted by mhays
Rooftop gardens (and roof decks) are VERY expensive. They require a partial additional story...the ADA requires handicapped access. So the elevator core goes up higher, plus stairs, plus a lobby for that level.
A green roof doesn't require all of this.
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Rooftop open space accessible to building residents and/or the public is, IMHO, an absurdity in San Francisco. The fog comes in in summer around 4 PM, the wind howls in front of the fog bank and nobody would want to hang outside on top of a building in late afternoon (say after work) or evening in spite of various barriers attempting to provide shelter, fire pits and all the other stuff developers provide.
Green roofs just for plants, not people, are fine. There are plants that love this microclimate, but few homo sapiens.