ML15238B667

MSFHI Public Table

ML15238B667
Person / Time
Site:	Watts Bar
Issue date:	09/03/2015
From:	Breithaupt S A, Willingham M H NRC/NRO/DSEA/RHMB
To:
Willingham M H
Shared Package
ML15239B287	List: ML15238B667 ML15239B292
References
TAC MF5857, TAC MF5858
Download: ML15238B667 (3)

Text

Watts Bar, Unit 1 and 2Table 1. Current Design Basis Flood Hazards for Use in the MSAMechanismStillwater Elevation Waves/ RunupReferenceDesign Basis Hazard ElevationLocal Intense Precipitation728.9 ft MSLMinimal728.9 ft MSLFHRR Section 3.4.1Failure of Dams and Onsite Water Control/Storage Structures731.2 ft MSLNot applicable731.2 ft MSL FHRR Table 11-1Streams and Rivers1)Diesel Generator Building739.2 ft MSL2.4 ft741.6 ft MSLFHRR Section 3.4.2FHRR Section 3.4.82)Intake Pumping Station739.2 ft MSL2.5 ft741.7 ft MSLFHRR Section 3.4.2FHRR Section 3.4.8Storm SurgeNot included in DBNot included in DBNot included in DBSeicheNot included in DBNot included in DBNot included in DBTsunamiNot included in DBNot included in DBNot included in DBIce-Induced FloodingNot included in DBNot included in DBNot included in DB Watts Bar, Unit 1 and 2Table 1. Current Design Basis Flood Hazards for Use in the MSAMechanismStillwater Elevation Waves/ RunupReferenceDesign Basis Hazard ElevationNote: Reported values are rounded to the nearest one-tenth of a foot.Channel Migrations/DiversionsNot included in DBNot included in DBNot included in DB Watts Bar, Unit 1 and 2Table 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 Precipitation729.2 ft MSLMinimal729.2 ft MSLFHRR Table 11-1 Streams and Rivers Note 1: