PNO-IV-11-003: Difference between revisions
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# | {{Adams | ||
| number = ML112071053 | |||
| issue date = 07/26/2011 | |||
| title = PNO-IV-11-003E Update: Fort Calhoun Station Declaration of a Notification of Unusual Event Due to High River Level | |||
| author name = Azua R | |||
| author affiliation = NRC/RGN-IV/DRP/RPB-E | |||
| addressee name = | |||
| addressee affiliation = | |||
| docket = 05000285 | |||
| license number = DPR-040 | |||
| contact person = | |||
| case reference number = PNO-IV-003-E | |||
| document type = NRC Preliminary Notification of Event/Occurrence | |||
| page count = 1 | |||
}} | |||
{{#Wiki_filter:July 26, 2011 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PNO-IV-003-E This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verification or evaluation, and is basically all that is known by the Region IV, Arlington, Texas, staff on this date. | |||
Facility Fort Calhoun Station Docket: 50-285 License No. DPR-40 Licensee Emergency Classification X Notification of Unusual Event Alert Site Area Emergency General Emergency Not Applicable | |||
==SUBJECT:== | |||
(UPDATE) Fort Calhoun Station Declaration of a Notification of Unusual Event Due to High River Level DESCRIPTION: This Preliminary Notification (PN) updates information discussed in PNO-IV-003, PNO-IV-003A, PNO-IV-003B, PNO-IV-003C, and PNO-IV-003D. On July 11, 2011, the licensee completed re-installation of the water-filled berm around the perimeter of the plant and the water within the confines of the berm has been removed. The berm is a supplemental flood protection measure. | |||
Based on an assessment that conditions in and around the facility have remained stable, the NRC has made the decision to suspend the augmented 24 hour a-day coverage at the Plant beginning on July 30, 2011. The resident inspectors will continue to provide 7 day coverage on-site. The region will continue to assess the licensee's actions as the river level changes as predicted by the U.S. Army Corp. of Engineers. | |||
The Fort Calhoun Station remains in the Notification of Unusual Event that was declared on June 6, 2011. The Missouri River Level is currently at an elevation of 1006 feet mean sea level (MSL). The plant is protected to a river level elevation of 1014 feet MSL. | |||
The information presented herein has been discussed with the licensee and is current as of 9:00 a.m., July 25, 2011. | |||
ADAMS ACCESSION NUMBER: ML112071053 | |||
CONTACTS: Ray Azua, at (817) 319-4376}} | |||
{{PNO-Nav|region=IV}} | |||
Revision as of 15:00, 10 July 2019
| ML112071053 | |
| Person / Time | |
|---|---|
| Site: | Fort Calhoun  |
| Issue date: | 07/26/2011 |
| From: | Ray Azua NRC/RGN-IV/DRP/RPB-E |
| To: | |
| References | |
| PNO-IV-003-E | |
| Download: ML112071053 (1) | |
July 26, 2011 PRELIMINARY NOTIFICATION OF EVENT OR UNUSUAL OCCURRENCE -- PNO-IV-003-E This preliminary notification constitutes EARLY notice of events of POSSIBLE safety or public interest significance. The information is as initially received without verification or evaluation, and is basically all that is known by the Region IV, Arlington, Texas, staff on this date.
Facility Fort Calhoun Station Docket: 50-285 License No. DPR-40 Licensee Emergency Classification X Notification of Unusual Event Alert Site Area Emergency General Emergency Not Applicable
SUBJECT:
(UPDATE) Fort Calhoun Station Declaration of a Notification of Unusual Event Due to High River Level DESCRIPTION: This Preliminary Notification (PN) updates information discussed in PNO-IV-003, PNO-IV-003A, PNO-IV-003B, PNO-IV-003C, and PNO-IV-003D. On July 11, 2011, the licensee completed re-installation of the water-filled berm around the perimeter of the plant and the water within the confines of the berm has been removed. The berm is a supplemental flood protection measure.
Based on an assessment that conditions in and around the facility have remained stable, the NRC has made the decision to suspend the augmented 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> a-day coverage at the Plant beginning on July 30, 2011. The resident inspectors will continue to provide 7 day coverage on-site. The region will continue to assess the licensee's actions as the river level changes as predicted by the U.S. Army Corp. of Engineers.
The Fort Calhoun Station remains in the Notification of Unusual Event that was declared on June 6, 2011. The Missouri River Level is currently at an elevation of 1006 feet mean sea level (MSL). The plant is protected to a river level elevation of 1014 feet MSL.
The information presented herein has been discussed with the licensee and is current as of 9:00 a.m., July 25, 2011.
ADAMS ACCESSION NUMBER: ML112071053
CONTACTS: Ray Azua, at (817) 319-4376