ENS 40876: Difference between revisions
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| event date = 07/16/2004 10:00 EDT | | event date = 07/16/2004 10:00 EDT | ||
| last update date = 07/16/2004 | | last update date = 07/16/2004 | ||
| title = Technical Specification Shutdown/Loss | | title = Technical Specification Shutdown/Loss of Single Safety Function | ||
| event text = A Unit shutdown was initiated at 1100 [ET 07/16/04] to comply with Technical Specifications. The High Pressure Coolant Injection (HPCI) System was declared inoperable at 1000 on 7/16/04 due to an inability to demonstrate that it is capable of meeting its design flow and pressure requirements identified during an extent of condition review being conducted in conjunction with an ongoing Safety System Design Inspection. Concurrently, the `D' Emergency Diesel Generator (EDG) was inoperable due to an in-progress surveillance. This rendered the `D' Low Pressure Coolant Injection (LPCI) subsystem and `B' Core Spray subsystem inoperable resulting in entry into Technical Specification 3.0.3 requiring within 1 hour initiating action to place the unit in at least startup within the next 6 hours, hot shutdown within the following 6 hours and cold shutdown within the subsequent 24 hours. | | event text = A Unit shutdown was initiated at 1100 [ET 07/16/04] to comply with Technical Specifications. The High Pressure Coolant Injection (HPCI) System was declared inoperable at 1000 on 7/16/04 due to an inability to demonstrate that it is capable of meeting its design flow and pressure requirements identified during an extent of condition review being conducted in conjunction with an ongoing Safety System Design Inspection. Concurrently, the `D' Emergency Diesel Generator (EDG) was inoperable due to an in-progress surveillance. This rendered the `D' Low Pressure Coolant Injection (LPCI) subsystem and `B' Core Spray subsystem inoperable resulting in entry into Technical Specification 3.0.3 requiring within 1 hour initiating action to place the unit in at least startup within the next 6 hours, hot shutdown within the following 6 hours and cold shutdown within the subsequent 24 hours. | ||
Power ascension was in progress with reactor power at 95%. Power ascension was suspended. Preparations for power reduction were initiated. Actions were taken to restore the `D' EDG to an operable, standby alignment, which was complete at 1145 rendering `D' LPCI subsystem and `B' Core Spray subsystem operable. Technical Specification 3.0.3 was exited. No power reduction was conducted. | Power ascension was in progress with reactor power at 95%. Power ascension was suspended. Preparations for power reduction were initiated. Actions were taken to restore the `D' EDG to an operable, standby alignment, which was complete at 1145 rendering `D' LPCI subsystem and `B' Core Spray subsystem operable. Technical Specification 3.0.3 was exited. No power reduction was conducted. | ||
Latest revision as of 22:23, 1 March 2018
| Where | |
|---|---|
Hope Creek  New Jersey (NRC Region 1) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| Time - Person (Reporting Time:+0.17 h0.00708 days <br />0.00101 weeks <br />2.32866e-4 months <br />) | |
| Opened: | Rita Braddick 14:10 Jul 16, 2004 |
| NRC Officer: | Mike Ripley |
| Last Updated: | Jul 16, 2004 |
| 40876 - NRC Website
| |
Hope Creek with 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident, 10 CFR 50.72(b)(2)(i), Tech Spec Required Shutdown | |