Prior to 1962, the 50.59 process for modifying a nuclear plant without requiring prior Commission approval did not exist. There was no UFSAR. There were only Technical Specifications, the Hazards Summary Report, and license amendments. This is a summary of the 50.59 rule’s evolution, from 1961 to today…Continue reading “10 CFR 50.59 – A history of the rule’s development”
Often a design will require updating something in the UFSAR. It might be a drawing or some text. There’s a process for that . . . .