Construction of the new Flowery Branch City Hall is set to start in February, with the new building expected to be finished next winter, officials said Tuesday. A groundbreaking ceremony is scheduled for 5 p.m. Jan. 31 at the site at 5318 Railroad Ave. If it rains, the ceremony will be held at administration and planning offices at 5512 Main St. The 18,000-square-foot building will house administrative and planning offices, the Flowery Branch Police Department, Flowery Branch Municipal Court and a meeting room for the Flowery Branch City Council. Also, the building can house community events for up to 200 people.