STORAGE PLANS: A 12-acre parcel, recently cleared, but not quite graded, will be finished for ProvPort car storage. / PBN PHOTO/MICHAEL SALERNO
Activity on the industrial waterfront of Providence, including its deepwater port, is measured in tons and vessel calls, and the economic impact of its imports and exports. Nearly 200 ships slide up to Providence berths each year, making the marine-industrial district the third largest for vessel calls in New England, according to the U.S. Department…