Comments must be filed by June 21, 2018. A request for a hearing must be filed by July 23, 2018 https://www.regulations.gov/document?D=NRC-2018-0096-0001 50 mile radius fallout zone for River Bend Nuclear Power Station.
Entergy wants to “relocate the reactor core isolation cooling (RCIC) piping injection point from the reactor vessel head spray nozzle to the feedwater line using the residual heat removal (RHR) shutdown cooling return line…,” at River Bend Nuclear Power Station, near St. Francisville, Louisiana. Risk is not merely an academic question at River Bend Nuclear Power Station, as there have been loss of cooling near misses in recent years. This nuclear power station is up for relicensing, too.
The relicensing document simply states: “The vessel head spray function is no longer in use. The vessel vent and head spray nozzle is evaluated with the reactor vessel pressure boundary as a piping component…” https://www.nrc.gov/docs/ML1715/ML17153A286.pdf
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