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Re: Green Roof Live Loads

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I would use 100psf everywhere.

Will

On Wed, Nov 5, 2008 at 8:08 AM, Wesley Werner <wwerner(--nospam--at)conewago.com> wrote:
> It is a garden roof.
>
>
> Wesley C. Werner
>
>
>
> -----Original Message-----
> From: William Haynes [mailto:gtg740p(--nospam--at)gmail.com]
> Sent: Tuesday, November 04, 2008 5:43 PM
> To: seaint(--nospam--at)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(--nospam--at)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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