Issue 109: Reactor Vessel Closure Failure
DESCRIPTION
Historical Background
Potential stress corrosion cracking (SCC) of reactor vessel (RV) closure studs was raised as a GSI in December
Potential stress corrosion cracking (SCC) of reactor vessel (RV) closure studs was raised as a GSI in December
BWRs are equipped with SRVs to control primary system pressurization.
This issue was identified in a DL/NRR memorandum[1]which called for an assessment of the hig
Combustible gases such as H2, propane, and acetylene are used during normal operations of nuclear power plants in limited quantities and for
Issue B-63, which was resolved and implemented as MPA B-45, required leak-testing of the check valves that isolate those low pressure systems that are c
In the prioritization of Issue 22, "Inadvertent Boron Dilution," it was found that inadvertent boron dilution events during cold shutdown operation do not constitute a significant ri
In January 1984, AEOD issued a special study report (AEOD/S401)[1]describing the number of events t
Issue 50 addressed several areas of concern with BWR water level instrumentation and its resolution involved voluntary implementation of water level mea
Once-through steam generators (OTSGs) are a feature unique to B&W reactor designs.