Office Building, Uncategorized Office high rise fire doused by sprinklers (Shreveport, LA) May 2, 2014 viking210 A fire began in a heating, air conditioning, and ventilation closet in a 21-story high rise building shortly after noon on Wednesday. The sprinkler system was activated, which eliminated the fire, and by 1:30 p.m. employees who were evacuated were then allowed back in the building. Investigators are determining the exact cause of the fire.