Apartment Building, Residential Rapid City, SD – Apartment deck fire extinguished by sprinkler system July 14, 2015 viking210 The Rapid City Fire Department is crediting an apartment complex’s sprinkler system with rapidly extinguishing a noon Sunday fire that could have spread to other parts of the building. According to a release from the department, firefighters went to a fire on an apartment unit’s deck at 2871 Belgrade Blvd., Rapid City. A single heat-activated sprinkler head put out the fire. There were no injuries, and the cause of the fire is under investigation. In the release, Oliver White, the department’s spokesman, wrote: “Here we see a fire that easily could have spread into the building, but it didn’t.”