Fire Alarm

Timeline

1. 8:55pm
   Fire alarm at 1700 block of South Division Avenue; Battalion 5, Engine 10, Engine 2, and Truck 2 responding
2. 8:57pm
   Battalion 5 on scene at a four-story ordinary construction building; people evacuated, no signs of active fire; Engine 10 starting investigation, Battalion 5 doing a 360
3. 8:58pm
   Engine 10 investigating the building; crews checking all sides (360); people continuing to evacuate, no visible fire
4. 8:58pm
   Command reports all clear on 360 check
5. 8:58pm
   All clear on 360 check confirmed
6. 9:00pm
   Division 53 clear at 20:59
7. 9:00pm
   Fire alarm activation on the second floor; crews investigating
8. 9:00pm
   Dispatch copies general alarm on the second floor, asks if assistance is needed
9. 9:00pm
   Crews continuing investigation; alarm appears to be a system malfunction rather than an actual fire
10. 9:02pm
    Fire alarm system still showing active alarm on scene
11. 9:03pm
    Activated smoke detector head found; no cause found, appears to be a system problem
12. 9:03pm
    Command leaving Engine 10 on scene; releasing all other units
13. 9:04pm
    Dispatch confirms Engine 10 will handle; all other units released
14. 9:05pm
    Dispatch advises Engine 10 the system is showing a trouble on the second floor
15. 9:06pm
    Alarm has cleared; system showing a trouble on the second floor
16. 9:06pm
    Crew removed the detector; that is probably the cause
17. 9:09pm
    Engine 2 clear, returning to quarters