Buffalo Firefighters responded on 6/21/18 at 1237 Hrs for a report of a structure fire on Perry St.Rescue 1 reported smoke showing from quarters. Engine 1 went on location with fire showing from the #4 side of a 2 1/2 story house with exposure problem and requested an additional 2 & 1 to the scene. B-43 reported the exposure involved and requested the balance of the 2nd alarm. B-56 ordered an evacuation of the main fire building for defensive operations and further ordered the evacuation of the exposure building for defensive operations. Additional equipment was requested to the scene for water supply and overhaul.