A former Amcast Industrial foundry has been a blight on Cedarburg for a decade, but the city this month committed to working with local developer D.J. Burns to clean it for a redevelopment with housing, offices and other uses. “This will be a multi-year clean-up,” Burns said. “The intent here is to eliminate blight, create tax base, eventually, and enhance the vibrancy of the community.” Burns, president of Drake Consulting Group LLC in Thiensville, on Aug.