Seismic Retrofits

Queen City Seismic Retrofitting

Queen City Description:

We performed a voluntary seismic upgrade to an existing unreinforced masonry building in the Wallingford neighborhood of Seattle. This was a unique and complex project because the building was 100% occupied and there were retail/ commercial tenants that had to keep their business running during construction. This seismic retrofit consisted of parapet braces, floor to wall ties, beam to column ties, column to foundation ties, new shear walls and massive brace frames at the “soft story” of the building.

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