Hospitals are complex and tightly coupled systems that are quite prone to accidents. Concomitant with increasing legislation and public expectations, a new health care environment is emerging. The extent of the business risk borne by their facility management teams is very significant in hospitals. Business operations rely on a continuity of support for FM services. The risk to processes of patient care due to closures, breakdowns, and interruptions to support services must be better understood if downtimes are to be minimized.