Initials units went O/S with heavy fire from Side D that spread to the exposure house catching it on fire. Command 24 called for the 2nd Alarm assignment bringing Eng 17-1 to the scene. Trk 17 arrived and setup on Side C and laddered the structure and assisting interior crews with operations. Trk 17 setup the aerial for ladder pipe operations and flowed water. Units from Franklin, Adams & Washington County assisted on the scene.