Application of scientific methods to management and administration of military, government, commercial, and industrial systems. It began during World War II in Britain when teams of scientists worked with the Royal Air Force to improve radar detection of enemy aircraft, leading to coordinated efforts to improve the entire system of early warning, defense, and supply. It is characterized by a systems orientation, or systems engineering, in which interdisciplinary research teams adapt scientific methods to large-scale problems that must be modeled, since laboratory testing is impossible. Examples include resource allocation and replacement, inventory control, and scheduling of large-scale construction projects.
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The standard was later adopted internationally by a number of different countries including the Australian ambulance service.
ORCON standards are monitored through key performance indicators.
The distinction between urban/rural services ceased on 1st April 2006. Previously 95% of incidents had to be responded to within 14 minutes in urban services or 19 minutes in rural services. All services are now subject to the same response time requirements of 19 minutes.