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RE: Raised garage slab

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Nice detail but where is the lateral shear transfer at the exterior wall?
Jim Persing
-----Original Message-----
From: Schwan, Martin K. [mailto:SchwanMK(--nospam--at)]
Sent: Tuesday, April 13, 2004 9:23 AM
To: seaint(--nospam--at)
Subject: RE: Raised garage slab

We see this design too.  Mostly because there is a lot of peat and the cost of fill is expensive.   Our web site has a typical framed garage floor detail.  Click on handouts and then go to #42.    Do you still provide under floor ventilation?  I believe it is I good idea…


-----Original Message-----
From: Nels Roselund, SE [mailto:njineer(--nospam--at)]
Sent: Tuesday, April 13, 2004 7:45 AM
To: seaint(--nospam--at)
Subject: Re: Raised garage slab




The system that Dennis described is what I've used.  You should have a waterproof membrane under the topping slab, perimeter curbs under the garage walls, and positive slope of the entire floor out the garage door -- we had a grated trench drain just outside the door because the driveway sloped toward the garage.


Nels Roselund
Structural Engineer
South San Gabriel, CA