A deployable safety zone system includes a truck including a tank and a fuel nozzle assembly and an alarming system including a sensor assembly mounted to the truck. The alarming system defines an alarmed safety zone disposed adjacent the truck and adjacent the fuel nozzle assembly. The sensor assembly defines a perimeter of the alarmed safety zone. The perimeter is free of any physical support structures. A method for creating a deployable alarming and safety zone includes operably engaging an alarming system including a sensor assembly with a truck and deploying an alarmed safety zone including a perimeter adjacent the truck. The perimeter is defined by the sensor assembly and the perimeter is free of any physical support structures.