Chapel Hill firefighters set fire to mock dorm room fires to demonstrate the effectiveness of fire suppression sprinklers outside the Sheraton in Chapel Hill Wednesday, Nov. 8, 2017. Travis Long tlong@newsobserver.com
Chapel Hill firefighters set fire to mock dorm room fires to demonstrate the effectiveness of fire suppression sprinklers outside the Sheraton in Chapel Hill Wednesday, Nov. 8, 2017. Travis Long tlong@newsobserver.com

From spark to 800-degree inferno in 110 seconds: Fire demo shows value of dorm sprinklers

November 08, 2017 06:56 PM