ML15238B723: Difference between revisions
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{{#Wiki_filter:Oconee, Units 1, 2, & 3Table 1. Current Design Basis Flood Hazards for Use in the MSAMechanismStillwater Elevation Waves/ RunupReferenceDesign Basis Hazard ElevationNote 1: Reported values are rounded to the nearest one-tenth of a foot.Local Intense PrecipitationNot included in DBNot included in DBNot included in DBStaff AssessmentFailure of Dams and Onsite Water Control/Storage StructuresNot included in DBNot included in DBNot included in DBStaff AssessmentStreams and RiversFlooding in Reservoirs - Keowee Reservoir (not calculated at Power Block)808.0 ft MSLNot applicable808.0 ft MSLStaff AssessmentStorm SurgeNot included in DBNot included in DBNot included in DBStaff AssessmentSeicheNot included in DBNot included in DBNot included in DBStaff AssessmentTsunamiNot included in DBNot included in DBNot included in DBStaff AssessmentIce-Induced FloodingNot included in DBNot included in DBNot included in DBStaff AssessmentChannel Migrations/DiversionsNot included in DBNot included in DBNot included in DBStaff Assessment Oconee, Units 1, 2, & 3Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSAMechanismStillwater Elevation Waves/ RunupReevaluated Hazard ElevationReferenceNote 2: Reevaluated hazard mechanisms bounded by the current design basis (see Table 1) are not included in this table.Note 3: Reported values are rounded to the nearest one-tenth of a foot.Local Intense Precipitation800.4 ft MSLMinimal800.4 ft MSLFHRR Section 3.1Streams and Rivers808.9 ft MSL3.3 ft812.2 ft MSLFHRR Section 3.2Streams and Rivers (Flooding in Reservoirs, Keowee)Failure of Dams and Onsite Water Control/Storage Structures Note 1: The licensee is expected to develop flood event duration parameters and applicable flood associated effects to conduct the MSA consistent with the guidance. The NRC staff has reviewed information related to flood event duration parameters (including warning time and period of inundation).}} | |||
Revision as of 13:25, 6 June 2018
| ML15238B723 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 08/26/2015 |
| From: | Tiruneh N D, Willingham M H NRC/NRO/DSEA/RHMB |
| To: | |
| Willingham M H | |
| References | |
| Download: ML15238B723 (2) | |
Text
Oconee, Units 1, 2, & 3Table 1. Current Design Basis Flood Hazards for Use in the MSAMechanismStillwater Elevation Waves/ RunupReferenceDesign Basis Hazard ElevationNote 1: Reported values are rounded to the nearest one-tenth of a foot.Local Intense PrecipitationNot included in DBNot included in DBNot included in DBStaff AssessmentFailure of Dams and Onsite Water Control/Storage StructuresNot included in DBNot included in DBNot included in DBStaff AssessmentStreams and RiversFlooding in Reservoirs - Keowee Reservoir (not calculated at Power Block)808.0 ft MSLNot applicable808.0 ft MSLStaff AssessmentStorm SurgeNot included in DBNot included in DBNot included in DBStaff AssessmentSeicheNot included in DBNot included in DBNot included in DBStaff AssessmentTsunamiNot included in DBNot included in DBNot included in DBStaff AssessmentIce-Induced FloodingNot included in DBNot included in DBNot included in DBStaff AssessmentChannel Migrations/DiversionsNot included in DBNot included in DBNot included in DBStaff Assessment Oconee, Units 1, 2, & 3Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSAMechanismStillwater Elevation Waves/ RunupReevaluated Hazard ElevationReferenceNote 2: Reevaluated hazard mechanisms bounded by the current design basis (see Table 1) are not included in this table.Note 3: Reported values are rounded to the nearest one-tenth of a foot.Local Intense Precipitation800.4 ft MSLMinimal800.4 ft MSLFHRR Section 3.1Streams and Rivers808.9 ft MSL3.3 ft812.2 ft MSLFHRR Section 3.2Streams and Rivers (Flooding in Reservoirs, Keowee)Failure of Dams and Onsite Water Control/Storage Structures Note 1: The licensee is expected to develop flood event duration parameters and applicable flood associated effects to conduct the MSA consistent with the guidance. The NRC staff has reviewed information related to flood event duration parameters (including warning time and period of inundation).