Evacuate the Area

Short signals repeated for 10 seconds, pause for 10 seconds, and repeated for three repetitions. Total signal time - 50 seconds


This should be done in conjunction with the radio announcement of "EMERGENCY TRAFFIC," with directionfor personnel to evacuate the hazard area. ref ICS 910

Cease Operations -- One long signal ( 8 to 10 seconds)

Resume Operations -- One long and one short signal