Alerting procedures for scenarios without warning time

摘要

For purposes of emergency planning for Swiss nuclear power plants the following scenarios were selected form among a great variety of possible sequences: scenarios without core damage, scenarios with core damage and correct functioning of the containment and the filtered venting system, and scenarios with core damage and without correct functioning of the containment-medium up to long pre-phase. The selection of these scenarios serves as basis for estab- lishing measures to protect the population. This contribution pre- sents alerting procedures for scenarios without warning time.