A Connecticut brass mill closed in 1986 and left behind a contaminated 66-acre site; 40 years later the town plans to turn it into a public works campus while converting its old yard into a riverside park

• The first step is surprisingly small: a three-story fire-training tower assembled from five repurposed shipping containers.
• The tower is proposed for the former Century Brass Mill property on Scovill Street, where the town plans to eventually build a 60,000-square