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Re: Soccer Field on a Roof

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Will geofoam allow water to pass through to the lower roof surface to drain?

On 8/22/2014 12:43 PM, Davis Parsons wrote:
Geofoam. It is used as a fill under concrete slabs in this area all the time. I have a stair project right now where geofoam is used to raise a raise floor area. Original slab difference is 5'-0". 4'-6" of geofoam is used with a 6" concrete slab to level the new and old floor levels.

*Davis G. Parsons II PE RA *
/Texas Engineer 42397//
Texas Architect  9462/
Fort Worth, Texas

On 8/22/2014 3:33 PM, T. William (Bill) Allen, S.E. wrote:
Now that I know who is awake and working on Friday....

I have a project where the owner wants to put a soccer field on a roof. Don't laugh. Yes, the soccer field must be flat (or mostly so, slope of 1" in 10 feet to get the water to drain off of the 2 foot square tiles. The roof below will slope at a much more significant slope. Architect wants minimum which is ¼" per foot. I want ½" per foot. We may

Truncated 540 characters in the previous message to save energy.

Drew Morris, PE*| Project Engineer
BBFM Engineers, Inc. <>
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