Radioisotope Laboratory at Tohoku University, built in 1973, has been used for various nuclear research involving unsealed and sealed radioisotopes, as well as nuclear fuel materials. Since the facility was deteriorated after over 50 years of use, a major renovation of the facility was undertaken in 2024. The renovation aimed to create a sustainable facility that is user-friendly for researchers, easy to manage for staff, and environmentally responsible. Key updates included replacing the under-ground effluent storage tanks with upper-ground ones, as well as updating the major equipment such as the drainage, exhaust and electrical system. This paper presents a case study report on the renovated facility and the series of processes involved in the renovation of a radioisotope facility.
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