ML15238B667: Difference between revisions
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{{#Wiki_filter:Watts Bar, Unit 1 and | {{#Wiki_filter:Watts Bar, Unit 1 and 2 Table 1. Current Design Basis Flood Hazards for Use in the MSA Mechanism Stillwater Waves/ Design Basis Reference Elevation Runup Hazard Elevation Local Intense Precipitation 728.9 ft MSL Minimal 728.9 ft MSL FHRR Section 3.4.1 Streams and Rivers | ||
: 1) Diesel Generator Building 739.2 ft MSL 2.4 ft 741.6 ft MSL FHRR Section 3.4.2 FHRR Section 3.4.8 | |||
: 2) Intake Pumping Station 739.2 ft MSL 2.5 ft 741.7 ft MSL FHRR Section 3.4.2 FHRR Section 3.4.8 Failure of Dams and Onsite Water Control/Storage Structures 731.2 ft MSL Not 731.2 ft MSL FHRR Table 11-1 applicable Storm Surge Not included Not included Not included FHRR Section 3.4.4 in DB in DB in DB Seiche Not included Not included Not included FHRR Section 3.4.4 in DB in DB in DB Tsunami Not included Not included Not included FHRR Section 3.4.5 in DB in DB in DB Ice-Induced Flooding Not included Not included Not included FHRR Section 3.4.6 in DB in DB in DB | |||
Watts Bar, Unit 1 and 2 Table 1. Current Design Basis Flood Hazards for Use in the MSA Mechanism Stillwater Waves/ Design Basis Reference Elevation Runup Hazard Elevation Channel Migrations/Diversions Not included Not included Not included FHRR Section 3.4.7 in DB in DB in DB Note: Reported values are rounded to the nearest one-tenth of a foot. | |||
Watts Bar, Unit 1 and 2 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA Mechanism Stillwater Waves/ Reevaluated Reference Elevation Runup Hazard Elevation Local Intense Precipitation 729.2 ft MSL Minimal 729.2 ft MSL FHRR Table 11-1 Streams and Rivers | |||
[Redacted] [Redacted] [Redacted] [Redacted] [Redacted] | |||
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. | |||
Note 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.}} |
Latest revision as of 08:22, 31 October 2019
ML15238B667 | |
Person / Time | |
---|---|
Site: | Watts Bar |
Issue date: | 09/03/2015 |
From: | Breithaupt S, Willingham M NRC/NRO/DSEA/RHMB |
To: | |
Willingham M | |
Shared Package | |
ML15239B287 | List: |
References | |
TAC MF5857, TAC MF5858 | |
Download: ML15238B667 (3) | |
Text
Watts Bar, Unit 1 and 2 Table 1. Current Design Basis Flood Hazards for Use in the MSA Mechanism Stillwater Waves/ Design Basis Reference Elevation Runup Hazard Elevation Local Intense Precipitation 728.9 ft MSL Minimal 728.9 ft MSL FHRR Section 3.4.1 Streams and Rivers
- 2) Intake Pumping Station 739.2 ft MSL 2.5 ft 741.7 ft MSL FHRR Section 3.4.2 FHRR Section 3.4.8 Failure of Dams and Onsite Water Control/Storage Structures 731.2 ft MSL Not 731.2 ft MSL FHRR Table 11-1 applicable Storm Surge Not included Not included Not included FHRR Section 3.4.4 in DB in DB in DB Seiche Not included Not included Not included FHRR Section 3.4.4 in DB in DB in DB Tsunami Not included Not included Not included FHRR Section 3.4.5 in DB in DB in DB Ice-Induced Flooding Not included Not included Not included FHRR Section 3.4.6 in DB in DB in DB
Watts Bar, Unit 1 and 2 Table 1. Current Design Basis Flood Hazards for Use in the MSA Mechanism Stillwater Waves/ Design Basis Reference Elevation Runup Hazard Elevation Channel Migrations/Diversions Not included Not included Not included FHRR Section 3.4.7 in DB in DB in DB Note: Reported values are rounded to the nearest one-tenth of a foot.
Watts Bar, Unit 1 and 2 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA Mechanism Stillwater Waves/ Reevaluated Reference Elevation Runup Hazard Elevation Local Intense Precipitation 729.2 ft MSL Minimal 729.2 ft MSL FHRR Table 11-1 Streams and Rivers
[Redacted] [Redacted] [Redacted] [Redacted] [Redacted]
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.
Note 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.