At 04:52 Hrs. Frederick County ECC sounds tones for Box Alarm 22-18 for reported House fire bringing surrounding company's. A248 was due on the initial assignment. BAT902 arrived on scene at Hessong Bridge Rd. confirming dispatch. BAT902 had a single story rancher, vacant home with heavy fire and established command. Command then requested the RIT to be dispatched bring A247 to the scene. A248 arrived on scene and established rehab. A247 arrived on scene and assisted A248 with rehab. ET114 arrived on scene and established water supply. Q11 arrived on scene and assisted with fire attack.