ENS 45505
From kanterella
Jump to navigation
Jump to search
ENS Event | |
---|---|
02:34 Nov 18, 2009 | |
Title | Inadvertent Hpci Isolation |
Event Description | On 11/17/09 a 2034 [CST], while performing 2-SR-3.3.6.1.3(3DFT) HPCI Steam line space high temperature functional test, HPCI isolated due to B2 and A1 PCIS Channels picking up. A1 was the channel under test at the lime the isolation occurred. Following the immediate investigation it appears the isolation was due to test equipment configuration failure. This test equipment is still under investigation.
This incident is reportable as an 8-hour ENS notification under 10CFR 5O.72 (b)(3)(v) as '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: d. Mitigate the consequences of an accident.' It also requires a 60 day written report in accordance with 10CFR50.73(a)(2Xvii). The NRC Resident Inspector has been notified. SR number associated with this report: 93270. The HPCI system has been restored to operable status. |
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:+0.75 h0.0313 days <br />0.00446 weeks <br />0.00103 months <br />) | |
Opened: | Ray Swafford 03:19 Nov 18, 2009 |
NRC Officer: | Joe O'Hara |
Last Updated: | Nov 18, 2009 |
45505 - 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 45505\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 Hpci Isolation\n\u003C/p\u003E\u003C/div\u003E","title":"ENS 45505 - 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_45505&oldid=88875"