Semantic search
| Entered date | Event description | |
|---|---|---|
| ENS 55440 | 31 August 2021 16:00:00 | On August 4, 2021 a Licensed Reactor Operator violated the station's FFD policy. The employee's unescorted access to South Texas has been terminated. The event was determined to be reportable under 10 CFR 26.719(b)(2)(ii). The NRC Resident Inspector will be been notified. |
| ENS 54190 | 31 July 2019 15:55:00 | EN Revision Text: DISCOVERY OF CONDITION THAT COULD HAVE PREVENTED FULFILLMENT OF A SAFETY FUNCTION South Texas Project (STP) Unit 1 reactor head vent valve B1RCHCV0601 was declared inoperable on December 29, 2018, STP Unit 1 reactor head vent valve B1RCHCV0602 was declared inoperable on July 30, 2019. Technical Specification 3.3.3.5 requires one of two reactor head vent valves to be operable. This issue placed the plant in a 30-day Technical Specification Action. At 0741 CDT on July 31, 2019, South Texas Project Electric Generating Station (STPEGS) made a determination based on firm evidence that reactor head vent valve B1RCHCV0602 had been inoperable since June 24, 2019. This results in a condition that could have prevented the fulfillment of the safety function of structures or systems that are needed to mitigate the consequences of an accident. This report is being made pursuant to 10 CFR 50.72(b)(3)(v)(D), 'any event or condition that at the time of discovery could have prevented the fulfillment of the safety function of structures or systems that are needed to mitigate the consequences of an accident. The inoperable equipment is required for accident conditions and presents no danger to the health and safety of the public or the safe operation of the units. The NRC Resident Inspector has been notified.
The Event Date and Time provided in EN# 54190 should have been reported as 7/30/2019 at 1521 CDT, since this was the time of discovery of a condition that could have prevented the fulfillment of the safety function of structures or systems that are needed to mitigate the consequences of an accident. The NRC Resident Inspector has been notified. Notified R4DO (Young). |