the range of conditions and events taken explicitly into account in the design of structures, systems and components and equipment of a facility, according to established criteria, such that the facility can withstand them without exceeding authorized limits, comprises basic specifications for the design in order to ensure the capacity of [a] plant to undergo a specified range of operational conditions, accidents and external hazards within strict radiological limits, tingimuste ja sündmuste kogumik, mis on arvesse võetud struktuuride, süsteemide, komponentide ja seadmete projekteerimisel vastavalt kehtestatud nõuetele nii, et rajatis on suuteline neid täitma ilma ametlikke norme ületamata