ENS 48200
From kanterella
Jump to navigation
Jump to search
ENS Event | |
|---|---|
09:50 Aug 17, 2012 | |
| Title | Inadvertent Actuation of Primary Containment Isolation System |
| Event Description | On 08/17/2012, while performing 2-SR-3.3.6.1(3DFT) - HPCI [High Pressure Coolant Injection] Steam Line Space Temperature Functional Test, an inadvertent PCIS [Primary Containment Isolation Signal] Group 4 (HPCI) isolation signal occurred. All automatic actions occurred as designed. Cause of the isolation is unknown with investigation in progress.
This incident is reportable as an 8-hour ENS notification under 10 CFR 50.72 (b)(3)(v)(D). The incident also requires a 60 day written report. The NRC [Resident] Inspector has been notified. The steam supply valves to HPCI remain closed during trouble shooting and repair, however, HPCI remains available for use if needed. |
| Where | |
|---|---|
| Browns Ferry Alabama (NRC Region 2) | |
| Reporting | |
| 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
| Time - Person (Reporting Time:+2.5 h0.104 days <br />0.0149 weeks <br />0.00342 months <br />) | |
| Opened: | John Ridinger 12:20 Aug 17, 2012 |
| NRC Officer: | John Shoemaker |
| Last Updated: | Aug 17, 2012 |
| 48200 - NRC Website
Loading map... {"minzoom":false,"maxzoom":false,"mappingservice":"leaflet","width":"350px","height":"250px","centre":false,"title":"","label":"","icon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"zoom":6,"defzoom":14,"layers":["OpenStreetMap"],"image layers":[],"overlays":[],"resizable":false,"fullscreen":false,"scrollwheelzoom":true,"cluster":false,"clustermaxzoom":20,"clusterzoomonclick":true,"clustermaxradius":80,"clusterspiderfy":true,"geojson":"","clicktarget":"","imageLayers":[],"locations":[{"text":"\u003Cb\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003E\u003Ca class=\"mw-selflink selflink\"\u003EENS 48200\u003C/a\u003E - \u003Ca href=\"/Browns_Ferry\" title=\"Browns Ferry\"\u003EBrowns Ferry\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EInadvertent Actuation of Primary Containment Isolation System\n\u003C/p\u003E\u003C/div\u003E","title":"ENS 48200 - Browns Ferry\n","link":"","lat":34.70418333333333,"lon":-87.11844722222222,"icon":"/w/images/c/ce/Tennessee_Valley_Authority_icon.png"}],"imageoverlays":null} | |
Unit 2 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
Retrieved from "https://kanterella.com/w/index.php?title=ENS_48200&oldid=423700"