ML13115A192
| ML13115A192 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 04/25/2013 |
| From: | Nick Hilton NRC/OE |
| To: | Exelon Generation Co |
| Coleman N | |
| References | |
| EA-13-046, EN-13-008 | |
| Download: ML13115A192 (2) | |
Text
April 25, 2013 EN 13-008 OFFICE OF ENFORCEMENT NOTIFICATION OF SIGNIFICANT ENFORCEMENT ACTION Licensee:
Exelon Generation Company, LLC EA-13-046 Three Mile Island, Unit 1 Docket No.: 50-289
Subject:
ISSUANCE OF FINAL SIGNIFICANCE DETERMINATION AND NOTICE OF VIOLATION This is to inform the Commission that a Notice of Violation will be issued on or about April 30, 2013, to Exelon Generation Company, LLC (Exelon) for a violation associated with a White Significance Determination Process finding identified during an inspection of the Three Mile Island Nuclear Station (TMI), Unit 1. This White finding, an issue of low to moderate safety significance, will require additional U.S. Nuclear Regulatory Commission (NRC) inspections.
The finding involves Exelons failure to identify, during external flood barrier walkdowns, that electrical cable conduit couplings in the TMI, Unit 1 Air Intake Tunnel (AIT) were not sealed, as designed, to maintain the integrity of the external flood barrier system. Specifically, Exelon staff, during visual inspections of the couplings and conduits in the AIT, did not identify that flood sealant material had not been installed, as designed. The condition was subsequently identified during an August 2012 walkdown by the resident inspector. Exelon implemented prompt interim compensatory actions to restore operability of the flood barrier and has permanently sealed the conduits identified in the AIT to meet the current licensing basis requirements.
A Notice of Violation (NOV) is included based on Exelons failure to meet 10 CFR 50, Appendix B, Criterion XVI, which requires, in part, that measures shall be established to assure that conditions adverse to quality, such as failures, malfunctions, deficiencies, deviations, defective material and equipment, and non-conformances are promptly identified and corrected. In accordance with the NRC Enforcement Policy, the NOV is considered an escalated enforcement action because it is associated with a White finding.
The NRC issued a preliminary determination letter for this issue on April 4, 2013. In a telephone conversation with Region I staff, Exelon accepted the characterization of the finding and its risk significance, and declined the opportunity to discuss this issue in a Regulatory Conference or to provide a written response.
It should be noted that the licensee has not been specifically informed of the enforcement action. The schedule of issuance and notification is:
Mailing of Final Significance Determination April 30, 2013 Telephone Notification of Licensee April 30, 2013 The Commonwealth of Pennsylvania will be notified.
CONTACTS: Nicole Coleman, OE, (301) 415-1048 Nick Hilton, OE, (301) 415-2741
Distribution: EN-13-008, April 25, 2013 OWFN Chair. MacFarlane Comm. Svinicki Comm. Apostolakis Comm. Magwood Comm. Ostendorff SECY OCA OPA OIP OWFN EDO DEDR DEDMRS OE OGC NRR NSIR OI OIG TWFN OCFO OP CENTER OIS FSME NSIR RES ACRS EBB NMSS Regional Offices RI RII RIII RIV MAIL ADAMS OE staff Electronic DISTRIBUTION:
R. Zimmerman, OE N. Hilton, OE N. Coleman, OE OE r/f EN binder X PUBLIC X NON-SENSITIVE ADAMS ML13115A192 OFFICE OE:ES OE:BC NAME NColeman DFurst for NHilton DATE 4/25/2013 4/25/13 OFFICIAL RECORD COPY