Thanks to all who made recommendations for a structural engineer. Someone asked that the results be posted. Here they are: Three recommendations for Russ Kowalik P.E. of Three Rivers Engineering. (412) 331-5665 M-F 8-5 (P.E. means Professional Engineer and indicates a high level of qualification One recommendation for Jerry Valenti (412782-3153 My investigation of this person didn't reveal whether he was a structural engineer. He could be Home Inspector only.