Wesley C. Werner
-----Original Message-----
From: William Haynes [mailto:gtg740p@gmail.com]
Sent: Tuesday, November 04, 2008 5:43 PM
To: seaint@seaint.org
Subject: Re: Green Roof Live Loads
How are you defining "green roof"? Is there a garden growing on an area
of the roof or is it just utilizing solar panels (for instance) to help
achieve a Leed rating?
On Tue, Nov 4, 2008 at 4:48 PM, Wesley Werner <wwerner@conewago.com>
wrote:
> I am designing an office building with a green roof. The roof is
> to be open to employees who want to use it for a picnic area. Can I
> consider it a deck and use the same live load as the occupancy served
> (50 psf), or do I have to use the provisions for roof gardens which is
> 100 psf? The 100 psf seems extreme to me since if all of the companies
> employees were on the roof, the total load would only be about 27
> psf. (400 people x 200 lbs (conservative)/3000 sq ft). The current
> picnic area is hardly ever used, and the only access to the area will
be stairs.
>
>
>
>
>
> Wesley C. Werner
>
>
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