05000348/FIN-2017002-04
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Finding | |
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| Title | Tornado Missile Vulnerabilities Result in Condition Prohibited by Technical Specifications |
| Description | On December 7, 2016, licensee staff determined that the Unit 1 and 2 service water structure intake and exhaust ventilation hoods were not adequately protected from tornado generated missiles. On January 26, 2017, it was also identified that the emergency diesel generator fuel oil storage tank vents were not adequately protected from tornado generated missiles. Upon discovery, the on-shift Operations staff declared the service water pumps and emergency diesel generators inoperable and implemented Enforcement Guidance Memorandum (EGM) 15-002, Enforcement Discretion for Tornado-Generated Missile Protection Noncompliance. The licensee made a non-emergency report in accordance with 10 CFR 50.72(b)(3)(ii)(B) and 10 CFR 50.72(b)(3)(v)(D) via EN# 52414. These items were entered into the licensees CAP and discussed with the resident inspectors. The inspectors reviewed this LER, EGM 15-002 and verified the licensee implemented adequate compensatory measures 19 in accordance with interim staff guidance DSS-ISG-2016-01, Clarification of Licensee Actions in Receipt of Enforcement Discretion per Enforcement Guidance Memorandum EGM 15-002. Final corrective actions to resolve these issues are pending. On December 7, 2016, licensee determined that the Unit 1 and 2 service water structure intake and exhaust ventilation hoods were not adequately protected from tornado generated missiles. On January 26, 2017, the licensee also identified that the emergency diesel generator fuel oil storage tank vents were not adequately protected from tornado generated missiles. The licensee declared the service water pumps and emergency diesel generators inoperable, implemented compensatory measures and declared the affected equipment operable but nonconforming. These issues were entered into the licensees corrective action program and discussed with the resident inspectors. The inspectors reviewed the circumstances associated with the event report and verified the licensee implemented compensatory measures consistent with interim staff guidance DSS-ISG-2016-01, Clarification of Licensee Actions in Receipt of Enforcement Discretion per Enforcement Guidance Memorandum EGM 15-002, (ADAMS ML15348A202). Because this violation was identified during the discretion period covered by Enforcement Guidance Memorandum 15-002, Revision 1, Enforcement Discretion for Tornado Missile Protection non-compliance, (ADAMS ML16355A286) and because the licensee had implemented compensatory measures, the NRC is exercising discretion (EA-17-131) and not issuing enforcement action. The enforcement discretion was applied to the required shutdown actions of the following Technical Specification (TS) LCOs for both units: TS 3.7.8, Service Water System (SWS) TS 3.8.1, AC Sources Operating Final corrective actions to resolve these issues will be addressed by the licensees corrective action program. The licensee has entered this issue into the corrective action program as condition reports 10306023 and 10322897. This LER is closed. |
| Site: | Farley  |
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| Report | IR 05000348/2017002 Section 4OA3 |
| Date counted | Jun 30, 2017 (2017Q2) |
| Type: | Violation: Severity level Enforcement Discretion |
| cornerstone | Mitigating Systems |
| Identified by: | NRC identified |
| Inspection Procedure: | IP 71153 |
| Inspectors (proximate) | P Niebaum K Miller S Sanchez C Fontana J Munday |
| Violation of: | Technical Specification |
| INPO aspect | |
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Finding - Farley - IR 05000348/2017002 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Finding List (Farley) @ 2017Q2
Self-Identified List (Farley)
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