ENS 40326
From kanterella
Jump to navigation
Jump to search
ENS Event | |
---|---|
17:10 Nov 17, 2003 | |
Title | Division 1 and 2 Diesel Generators and All Eccs Systems Were Declared Inoperable |
Event Description | While aligning the Emergency Service Water (ESW) to the swale, the sluice gates were opened without the ESW being aligned to the swale. This condition made both Div 1&2 Diesel Generators and all ECCS systems inoperable. The probable cause of this event is that the wrong procedure was used in this evolution. Procedure SOI-P45/49 sec 7.3.1 "ESW Pumphouse Forebay Emergency Supply Initiation" was used instead of the correct procedure SOI-P45/49 section 7.3.3. "Alignment of ESW to Pumphouse Forebay Emergency Supply". The condition was discovered at 1215 and corrected at 1220 after section 7.3.1 was exited and section 7.3.3 was used to complete the lineup to the swale.
The NRC Resident Inspector was notified.
Further engineering analysis documented [that] the safety function of the Emergency Service Water (ESW) system was not lost while the system was inappropriately aligned. Also, plant design accounts for operator action to restore proper alignment and ensure continued functionality. Since the safety function of ESW was, and would continue to be maintained, the ECCS systems did not and would not lose the ability to perform their safety functions. Therefore, this condition is not reportable under 10CFR50.72(b)(3)(v)(B) and (D) as an event or condition that could have prevented fulfillment of a safety function and ENF 40326 is retracted. The licensee notified the NRC Resident Inspector. Notified R3DO Bruce Burgess. |
Where | |
---|---|
Perry ![]() Ohio (NRC Region 3) | |
Reporting | |
10 CFR 50.72(b)(3)(v)(B), Loss of Safety Function - Remove Residual Heat 10 CFR 50.72(b)(3)(v)(D), Loss of Safety Function - Mitigate the Consequences of an Accident | |
Time - Person (Reporting Time:+-1.73 h-0.0721 days <br />-0.0103 weeks <br />-0.00237 months <br />) | |
Opened: | Robert Kidder 15:26 Nov 17, 2003 |
NRC Officer: | Chauncey Gould |
Last Updated: | Dec 2, 2003 |
40326 - 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 40326\u003C/a\u003E - \u003Ca href=\"/Perry\" title=\"Perry\"\u003EPerry\u003C/a\u003E\n\u003C/p\u003E\u003C/div\u003E\u003C/b\u003E\u003Cdiv class=\"mw-parser-output\"\u003E\u003Cp\u003EDivision 1 and 2 Diesel Generators and All Eccs Systems Were Declared Inoperable\n\u003C/p\u003E\u003C/div\u003E","title":"ENS 40326 - Perry\n","link":"","lat":41.79572777777778,"lon":-81.145375,"icon":"/w/images/a/ad/FirstEnergy_icon.png"}],"imageoverlays":null} | |
Unit 1 | |
---|---|
Reactor critical | Critical |
Scram | No |
Before | Power Operation (100 %) |
After | Power Operation (100 %) |
Retrieved from "https://kanterella.com/w/index.php?title=ENS_40326&oldid=428826"