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MONTHYEARMNS-14-025, Submittal of Flood Hazard Reevaluation Report, Response to NRC 10 CFR 50.54(f) Request for Information Re Recommendations 2.1, 2.3 & 9.3 of the Near-Term Task Force Review of Insights from Fukushima Dai-ichi Accident2014-03-12012 March 2014
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ML14142A3512014-05-28028 May 2014
Request for Additional Information Regarding Flood Hazard Reevaluation Report
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NRR E-mail Capture - McGuire Nuclear Station-Fukushima 2.1 Flooding-FHRR Review RAIs
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HAhn_8-13-2015
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Staff Assessment of Response to 10 CFR 50.54(f) Information Request - Flood Causing Mechanism Reevaluation (CAC Nos. MF3623 and MF3624)
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MNS-17-030, Response to March 12, 2012, Request for Information Enclosure 2, Recommendation 2.1, Flooding, Required Response 3, Flooding Focused Evaluation Summary Submittal2017-06-28028 June 2017
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2015-04-09
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Category:Graphics incl Charts and Tables
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2020-09-16
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McGuire, Units 1 & 2Table 1. Current Design Basis Flood Hazards for Use in the MSAMechanismStillwater Elevation Waves/ RunupReferenceDesign Basis Hazard ElevationLocal Intense Precipitation760.4 ft msl0.0 ft760.4 ft mslFHRR Section 1.2.1Failure of Dams and Onsite Water Control/Storage Structures Upstream a m ailures (combined event)762.6 ft msl5.1 ft767.7 ft mslFHRR Section 1.2.3 FHRR Section 1.2.3 (Table 1.2.8-1)Standby Nuclear Service Water Pond (combined event)746.9 ft msl1.5 ft748.4 ft mslFHRR Table 3-1Standby Nuclear Service Water Pond Dam Downstream (combined event)727.8 ft msl727.8 ft mslFHRR Table 3-1 Streams and RiversReservoir Level at Cowans ord Dam767.9 ft msl5.1 ft773.0 ft mslFHRR Section 1.2.2 FHRR Section 1.2.8 (Table 1.2.8-1)Storm SurgeSurge in Lake Norman760.0 ft msl14.8 ft 774. f t m slFHRR Section 1.2.4Seiche
No Impact on the Site Identified
FHRR Section 1.2.4TsunamiNot included in DBNot included in DBNot included in DBFHRR Section 1.2 McGuire, Units 1 & 2Table 1. Current Design Basis Flood Hazards for Use in the MSAMechanismStillwater Elevation Waves/ RunupReferenceDesign Basis Hazard Elevation Note: Reported values are rounded to the nearest one-tenth of a foot.Ice-Induced FloodingNot included in DBNot included in DBNot included in DBFHRR Section 1.2Channel Migrations/DiversionsNot included in DBNot included in DBNot included in DBFHRR Section 1.2 McGuire, Units 1 & 2Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSAMechanismStillwater Elevation Waves/ RunupReevaluated Hazard ElevationReference Note 2: Reevaluated hazard mec hanisms bounde d by the current de sign basis (s ee Table 1) are not included in thi s table.Note 3: Reported values are rounded to the nearest one-tenth of a foot.761.1 ft mslMinimal761.1 ft mslFHRR Section 2.1 Local Intense PrecipitationStreams and Rivers777.9 ft mslNot applicable777.9 ft mslFHRR Section 2.2 and 2.8River PMF in Lake NormanFailure of Dams and Onsite Water Control/Storage Structures778.5 ft mslNot applicable778.5 ft mslFHRR Section 2.3 and 2.8 Upstream a m ailures (combined event)
FHRR Tables 2.4.2-1 and 2.4.2-2Standby Nuclear Service Water Pond Dam Downstream (combined event)Storm Surge778.5 ft msl0.0 ft778.5 ft mslFHRR Table 3-1FHRR Section 2.4.1 (Table 2.4.1-1)
Note 1: The licensee is expected to develop flood event duration parameters and applicable flood associated effects to conduct the MSA. The staff will evaluate the flood event duration parameters (including warning time and period of inundation) and flood associated effects during its review of the MSA.
