# Research and Development

#### Research and Development Works of the ISP NPP

##### The Shelter object’s transformation into an ecologically safe system:
• monitoring of radiation state parameters of the Shelter object and forecasting parameter dynamics during implementation of practical works;
• complex environmental assessment of the Shelter object’s radiation impact;
• development and scientific substantiation of optimal complex of measures to provide admissible radiation safety level during the Shelter object trans-formation into an ecologically safe system;
• study of physical and chemical properties of materials containing nuclear fuel, as well as their radionuclide and elemental composition;
• monitoring the state of fuel-containing materials and forecasting their behaviour;
• assessment and forecast of the Shelter object’s nuclear safety after the New Safe Confinement was installed in its design position;
• development of safe technologies for implementation of building-and-assembly operations and dismantling works inside the New Safe Confinement of the Shelter object;
• development of scientific and technical grounds, technological decisions concerning retrieval of fuel-containing materials from the Shelter object and creation of appropriate infrastructure for their further management.
##### Safe operation of nuclear facilities:
• monitoring of main equipment’s state of NPP’s power units, and implementation of a system approach to ensure reliable and effective NPP operation;
• development of control and diagnostics systems for nuclear power facilities’ equipment;
• development of up-to-date models and procedures to assess the safety of nuclear facilities;
• development and improvement of neutron diagnostics methods to determine safety parameters of nuclear facilities;
• development and scientific substantiation of design, engineering, radiation, hygienic and organizing measures to ensure optimal safety level at the objects with radiation and nuclear technologies;
• development of up-to-date models for radioecological monitoring within NPP environmental impact areas.
##### Decommission of nuclear facilities:
• cientific and technical support of work during NPP’s power units decommission;
• development of concepts and projects for nuclear facilities decommission;
• comprehensive engineering and radiation research of NPP’s power units;
• experimental and calculation research of irradiated structural materials and components of reactor core;
• study of processes and substantiation of techno-logies for safe management of irradiated graphite;
• safety analysis at various stages of NPP’s power units decommission;
• development of remotely controlled complexes and technologies for dismantling works and operations with dismantled structures and equipment;
• development of decontamination procedures.
##### Management of spent nuclear fuel and radioactive waste:
• development of conditioning methods for fuel-containing materials and other long-existing waste for long-term storage according to the requirements for their future disposal;
• development of means and technologies for radioactive waste management;
• development of methods to characterize radioactive waste and their packages;
• scientific and technical support for design, construction and operation of spent nuclear fuel repository;
• safety assessment of storage facilities for the radioactive waste final disposal.

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