Just five days after opening Orono Brewing Company’s new location at 61 Margin St. in Orono, OBC co-owners Abe and Heather Furth began work on the renovation of another building — this one in downtown Bangor. The Furths purchased 29 Franklin St., a nearly 15,000 square-foot, three-story building built in 1912, for $552,888 in December 2017, according to Heather Furth.