With one interim director of SF's Department of Public Works on his way out, Mayor London Breed and City Administrator Carmen Chu have appointed a replacement, and it's someone with 17 years experience in the department.

Alaric Degrafinried, the acting director of San Francisco's troubled Department of Public Works, had once said he planned to vie for the permanent title of head of the department. But in the 18 months since he took over, he changed his mind.