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RE: Reinforcing High Basement Walls

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> -----Original Message-----
> From: Gary Hodgson & Associates
> I have a house where the basement wall height exceeds the max.
> allowable 8'-2" in the code under the prescriptive requirements.  The
> soil outside is also slightly higher than the code allowed 7'-7".  As
> the house is near completion, the builder is panicking because the
> local Building Dept. will not allow occupancy until they get the
> foundation wall approved by an engineer.
> In the absence of soils tests, I have always required vertical steel
> straps to be bolted to the walls to act as reinforcing.
> Does anyone have any better/alternative ideas?
> Gary Hodgson, P.Eng.
> Niagara Falls, ON

I have used 3" HSS posts inside the foundation wall, at a spacing determined
by the horizontal span capacity of the wall.

The bottom ends were bolted to the floor, and the tops extended to just
below the underside of the floor sheathing, using blocking, etc, to hold the
tops in place and transfer the top reactions into the floor system.

To ensure preloading of the posts steel shims were driven between the posts
and the wall, and tacked in place.

Peter James

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