Elaboration of the system of the standards, related to Safety and security of instrumentation and control systems of Ukrainian Nuclear Power Plants

Documents, related to safety and security of instrumentation and control (I&C) systems for Ukrainian Nuclear Power Plants (NPP), contained three branches of activity: · I&C systems functional safety; · Life extension of I&C systems, important to NPP safety; · Computer security of NPP I&C systems. These documents are located on different levels of hierarchical pyramid of documents, which are founded Ukrainian regulatory framework on nuclear and radiation safety. The aim of the paper is to show common picture of structure of regulatory base, which contains acting standards and documents, which will be elaborated in the nearest future.