As an engineer specializing in residential construction and repair consulting, I’m often called upon to help contractors faced with difficult structural problems. In one recent project, I was asked to develop a repair plan for a 30-year-old house in a suburb north of Philadelphia that had some serious long-term settlement problems.

The main portion of the house was built over a full basement, with an attached garage on a slab. A laundry room, powder room, and family room had been built on a second slab, behind and several inches higher than the garage slab.

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