Busy Evening for Engine 40

09-20-17. At 2157 hrs Engine 40 was dispatched into Harrisburg City for a Co alarm. Minutes later the engine was now being called to the scene to the structure fire on Derry Street in the 4 box. Engine 40 responded with a crew of 5. The engine was sidelined and crew assisted with overhaul in the exposure building on the 2nd and 3rd floors opening up the walls and ceiling. They were cleared from the scene and sent to City Station 2 to cover the city. Total time out was 1 hr 21 minutes.