ML16089A353
| ML16089A353 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 03/31/2016 |
| From: | Rivera-Lugo R F NRC/NRO/DSEA/RHMB |
| To: | |
| Rivera-Lugo R F | |
| Shared Package | |
| ML16091A120 | List: |
| References | |
| CAC MF6598, CAC MF6599 | |
| Download: ML16089A353 (4) | |
Text
Peach Bottom Atomic Power Station, Units 2 & 3Table 1. Current Design Basis Flood Hazards for Use in the MSA MechanismStillwater Elevation Waves/ RunupReference Design Basis Hazard Elevation Local Intense PrecipitationNot included in DBNot included in DBNot included in DBFHRR Section 2.3.1Failure of Dams and Onsite Water Control/Storage StructuresStreams and Rivers Probable Maximum Flooding from Rock Run CreekNot included in DBNot included in DBNot included in DBFHRR Section2.3.2.2 Probable Maximum Flooding from Susquehanna River131.4 ft NAVD88Not applicable131.4 ft NAVD88FHRR Section 2.3.2.1Storm SurgeNot included in DBNot included in DBNot included in DBFHRR Section 2.3.4 SeicheNot included in DBNot included in DBNot included in DBFHRR Section 2.3.5 TsunamiNot included in DBNot included in DBNot included in DBFHRR Section 2.3.6 Peach Bottom Atomic Power Station, Units 2 & 3 Table 1. Current Design Basis Flood Hazards for Use in the MSA MechanismStillwater Elevation Waves/ RunupReference Design Basis Hazard ElevationNote 1: Reported values are rounded to the nearest one-tenth of a foot.Ice-Induced Flooding Not included in DBNot included in DBNot included in DBFHRR Section 2.3.7Channel Migrations/Diversions Not included in DBNot included in DBNot included in DBFHRR Section 2.3.8 Peach Bottom Atomic Power Station, Units 2 & 3 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA MechanismStillwater Elevation Waves/ RunupReevaluated Hazard Elevation ReferenceLocal Intense Precipitation127.0 ft NAVD88Minimal127.0 ft NAVD88FHRR Section 3.1.3 & Table 3.1.3.1Emergency Cooling Tower (Emergency Heat Sink)135.2 ft NAVD88Minimal135.2 ft NAVD88FHRR Section 3.1.3 & Table 3.1.3.1Unit 3 Reactor Building Door 246135.4 ft NAVD88Minimal135.4 ft NAVD88FHRR Section 3.1.3 & Table 3.1.3.1Unit 3 Reactor Building Door 244135.9 ft NAVD88Minimal135.9 ft NAVD88FHRR Section 3.1.3 & Table 3.1.3.1Unit 3 Recirculation MG Set Room135.9 ft NAVD88Minimal135.9 ft NAVD88FHRR Section 3.1.3 & Table 3.1.3.1Unit 2 Recirculation MG Set Room135.5 ft NAVD88Minimal135.5 ft NAVD88FHRR Section 3.1.3 & Table 3.1.3.1Unit 2 Reactor Building Door 183135.2 ft NAVD88Minimal135.2 ft NAVD88FHRR Section 3.1.3 & Table 3.1.3.1Unit 2 Reactor Building Door 198132.0 ft NAVD88Minimal132.0 ft NAVD88FHRR Section 3.1.3 & Table 3.1.3.1Diesel Generator Building (SW)127.5 ft NAVD88Minimal127.5 ft NAVD88FHRR Section 3.1.3 & Table 3.1.3.1Diesel Generator Building (SE)117.6 ft NAVD88Minimal117.6 ft NAVD88FHRR Section 3.1.3 & Table 3.1.3.1Diesel Generato r Building (NE)120.8 ft NAVD88Minimal120.8 ft NAVD88FHRR Section 3.1.3 & Table 3.1.3.1Diesel Generator Building (NW)
Peach Bottom Atomic Power Station, Units 2 & 3 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA MechanismStillwater Elevation Waves/ RunupReevaluated Hazard Elevation ReferenceNote 2: Reevaluated hazard mechanisms bounded by the current design basis (see Table 1) are not included in this tableNote 3: Reported values are rounded to the nearest one-tenth of a foot.117.5 ft NAVD88Minimal117.5 ft NAVD88FHRR Section 3.1.3 & Table 3.1.3.1Pump StructureStorm Surge118.5 ft NAVD88Not applicable118.5 ft NAVD88FHRR Section 3.4.3Conowingo Maximum Controlled Water Elevation Antecedent ConditionSeiche112.8 ft NAVD88Not applicable112.8 ft NAVD88FHRR Section 3.4.4 & Table 3.4.3.2.4Seiche in Length Direction (Conowingo Maximum Controlled Water Elevation Antecedent Condition)112.3 ft NAVD88Not applicable112.3 ft NAVD88FHRR Section 3.4.4 & Table 3.4.3.2.4Seiche in Width Direction (Conowingo Maximum Controlled Water Elevation Antecedent Condition)Ice-Induced Flooding111.5 ft NAVD88Not applicable111.5 ft NAVD88FHRR Sections 3.7 & 3.7.3Note 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.