Residence Hall/Dormitory, Residential Sprinkler system controls university dorm fire (Fredericksburg, VA) November 12, 2012 viking210 The University of Mary Washington dorm fire, which was confined to room 506, was caused when a coffee maker there malfunctioned, according to Deputy Chief Mike Jones of the Fredericksburg Fire Department. The fire was quickly controlled due to the activation of the fire sprinkler system. Officials safely evacuated students from Mason and Randolph halls.