Abstract
The generic design of the centralised spent fuel storage facility was approved by the Spanish Safety Authority in 2006. The planned operational life is 60 years, while the design service life is 100 years. Durability studies and surveillance of the behaviour have been considered from the initial design steps, taking into account the accessibility limitations and temperatures involved. The paper presents an overview of the ageing management program set in support of the Performance Assessment and Safety Review of El Cabril low and intermediate level waste (LILW) disposal facility. Based on the experience gained for LILW, ENRESA has developed a preliminary definition of the Ageing Management Plan for the Centralised Interim Storage Facility of spent Fuel and High Level Waste (HLW), which addresses the behaviour of spent fuel, its retrievability, the confinement system and the reinforced concrete structure. It includes tests plans and surveillance design considerations, based on the El Cabril LILW disposal facility.
Highlights
Spain has eight power reactors in operation with a total capacity of 8.3 GWe
Based on the experience gained for low and intermediate level waste (LILW), ENRESA has developed a preliminary definition of the Ageing Management Plan for the Centralised Interim Storage Facility of spent Fuel and High Level Waste (HLW), which addresses the behaviour of spent fuel, its retrievability, the confinement system and the reinforced concrete structure
The preliminary ageing management plan for the concrete structures of the ATC is based on the durability and surveillance works developed over many years by ENRESA, with the guidance and assistance of Instituto Eduardo Torroja [5], in support of the safety review and performance assessment improvement of the Spanish Low and Intermediate Level Waste Disposal Facility of El Cabril, which has been in operation since 1992
Summary
Spain has eight power reactors in operation with a total capacity of 8.3 GWe. All power plants fuel ponds have been re-racked to increase their storage capacity. ENRESA is the Spanish organization responsible for the long-term management of all categories of radioactive waste and spent nuclear fuel and for carrying our decommissioning of redundant nuclear installations It is responsible for developing, constructing and operating the centralised storage facility and is focused on preparing the site characterisation and design, in order to license and build the facility and the associated research centre. The preliminary ageing management plan for the concrete structures of the ATC is based on the durability and surveillance works developed over many years by ENRESA, with the guidance and assistance of Instituto Eduardo Torroja [5], in support of the safety review and performance assessment improvement of the Spanish Low and Intermediate Level Waste Disposal Facility of El Cabril, which has been in operation since 1992.
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