ENS 44596
ENS Event | |
|---|---|
13:00 Oct 23, 2008 | |
| Title | Offsite Notification Due to Sump Discharge Line Leakage |
| Event Description | This is a report of a situation, related to the protection of the environment, for which a notification to other government agencies is being made, as described in 10 CFR 50.72(b)(2)(xi).
On October 22, 2008, excavation within the Protected Area was ongoing to identify a leak in the Fire Protection System. At approximately 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br />, the Turbine and Water Treatment Building sump discharge line was identified as leaking. This three-inch carbon steel pipe routes the sump discharge to the settling basins, where it is eventually discharged via a monitored outfall to the environment. The cause of the leakage is unknown, but due to the condition of the piping, it is believed to have existed prior to the excavation activities. The amount of leakage is therefore conservatively assumed to be more than 100 gallons, but this cannot be quantified at this time. Analysis of a water sample from the sump discharge line leak determined that the water leaking from the pipe contains approximately 37,500 picocuries per liter (pCi/l) tritium. These tritium levels are consistent with tritium levels in the Condensate/Feedwater Systems in the Turbine Building. Actions are underway to remove the piping from service and re-route the sump pump discharge. Analysis of routine groundwater well samples taken earlier this month is being expedited, and additional well samples are being planned. The State of Ohio, Lucas County and Ottawa County government agencies were contacted regarding the above information at 0900 on October 23, 2008. The Resident Inspector has also been briefed on the issue. |
| Where | |
|---|---|
Davis Besse  Ohio (NRC Region 3) | |
| Reporting | |
| 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release | |
| Time - Person (Reporting Time:+-1.02 h-0.0425 days <br />-0.00607 weeks <br />-0.0014 months <br />) | |
| Opened: | Eric Horvath 11:59 Oct 23, 2008 |
| NRC Officer: | Howie Crouch |
| Last Updated: | Oct 23, 2008 |
| 44596 - NRC Website | |
Unit 1 | |
|---|---|
| Reactor critical | Critical |
| Scram | No |
| Before | Power Operation (100 %) |
| After | Power Operation (100 %) |
WEEKMONTHYEARENS 564132023-03-15T13:50:00015 March 2023 13:50:00
[Table view]10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification of Inadvertent Actuation of Emergency Sirens ENS 547922020-07-20T00:03:00020 July 2020 00:03:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification - Emergency Siren Failure ENS 542192019-08-14T16:01:00014 August 2019 16:01:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Inadvertant Activation of Emergency Sirens ENS 493692013-09-20T18:00:00020 September 2013 18:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Press Release Notification ENS 465762011-01-31T13:49:00031 January 2011 13:49:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Emergency Notification System Sirens Inadvertantly Actuated for 3 Minutes ENS 457642010-03-13T02:43:00013 March 2010 02:43:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release, 10 CFR 50.72(b)(3)(ii)(A), Seriously Degraded Control Rod Drive Mechanism Nozzle Indications ENS 455232009-11-27T12:34:00027 November 2009 12:34:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Accidental Discharge of a Security Officer'S Pistol ENS 450322009-04-30T12:55:00030 April 2009 12:55:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notifications Made Due to Inadvertant Activation of Six Epz Sirens ENS 445962008-10-23T13:00:00023 October 2008 13:00:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Sump Discharge Line Leakage ENS 422762006-01-20T16:25:00020 January 2006 16:25:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Press Release Issued Regarding Agreement with Doj Related to Davis-Besse Reactor Head Issue ENS 409062004-07-29T15:03:00029 July 2004 15:03:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Industrial Accident on the Owner Controlled Area ENS 407362004-05-08T17:25:0008 May 2004 17:25:00 10 CFR 50.72(b)(2)(xi), Notification to Government Agency or News Release Offsite Notification Due to Inadvertent Activation of Emergency Sirens 2023-03-15T13:50:00 | |