ML16089A353
| ML16089A353 | |
| Person / Time | |
|---|---|
| Site: | Peach Bottom  |
| Issue date: | 03/31/2016 |
| From: | Richard Rivera-Lugo NRC/NRO/DSEA/RHMB |
| To: | |
| Rivera-Lugo R | |
| Shared Package | |
| ML16091A120 | List: |
| References | |
| CAC MF6598, CAC MF6599 | |
| Download: ML16089A353 (4) | |
Text
Peach Bottom Atomic Power Station, Units 2 & 3 Table 1. Current Design Basis Flood Hazards for Use in the MSA Mechanism Stillwater Elevation Waves/
Runup Reference Design Basis Hazard Elevation Local Intense Precipitation Not included in DB Not included in DB Not included in DB FHRR Section 2.3.1 Failure of Dams and Onsite Water Control/Storage Structures REDACTED REDACTED REDACTED REDACTED REDACTED Streams and Rivers Probable Maximum Flooding from Rock Run Creek Not included in DB Not included in DB Not included in DB FHRR Section2.3.2.2 Probable Maximum Flooding from Susquehanna River 131.4 ft NAVD88 Not applicable 131.4 ft NAVD88 FHRR Section 2.3.2.1 REDACTED REDACTED REDACTED REDACTED REDACTED Storm Surge Not included in DB Not included in DB Not included in DB FHRR Section 2.3.4 Seiche Not included in DB Not included in DB Not included in DB FHRR Section 2.3.5 Tsunami Not included in DB Not included in DB Not included in DB FHRR Section 2.3.6
Peach Bottom Atomic Power Station, Units 2 & 3 Table 1. Current Design Basis Flood Hazards for Use in the MSA Mechanism Stillwater Elevation Waves/
Runup Reference Design Basis Hazard Elevation Note 1: Reported values are rounded to the nearest one-tenth of a foot.
Ice-Induced Flooding Not included in DB Not included in DB Not included in DB FHRR Section 2.3.7 Channel Migrations/Diversions Not included in DB Not included in DB Not included in DB FHRR 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 Mechanism Stillwater Elevation Waves/
Runup Reevaluated Hazard Elevation Reference Local Intense Precipitation 127.0 ft NAVD88 Minimal 127.0 ft NAVD88 FHRR Section 3.1.3 & Table 3.1.3.1 Emergency Cooling Tower (Emergency Heat Sink) 135.2 ft NAVD88 Minimal 135.2 ft NAVD88 FHRR Section 3.1.3 & Table 3.1.3.1 Unit 3 Reactor Building Door 246 135.4 ft NAVD88 Minimal 135.4 ft NAVD88 FHRR Section 3.1.3 & Table 3.1.3.1 Unit 3 Reactor Building Door 244 135.9 ft NAVD88 Minimal 135.9 ft NAVD88 FHRR Section 3.1.3 & Table 3.1.3.1 Unit 3 Recirculation MG Set Room 135.9 ft NAVD88 Minimal 135.9 ft NAVD88 FHRR Section 3.1.3 & Table 3.1.3.1 Unit 2 Recirculation MG Set Room 135.5 ft NAVD88 Minimal 135.5 ft NAVD88 FHRR Section 3.1.3 & Table 3.1.3.1 Unit 2 Reactor Building Door 183 135.2 ft NAVD88 Minimal 135.2 ft NAVD88 FHRR Section 3.1.3 & Table 3.1.3.1 Unit 2 Reactor Building Door 198 132.0 ft NAVD88 Minimal 132.0 ft NAVD88 FHRR Section 3.1.3 & Table 3.1.3.1 Diesel Generator Building (SW) 127.5 ft NAVD88 Minimal 127.5 ft NAVD88 FHRR Section 3.1.3 & Table 3.1.3.1 Diesel Generator Building (SE) 117.6 ft NAVD88 Minimal 117.6 ft NAVD88 FHRR Section 3.1.3 & Table 3.1.3.1 Diesel Generator Building (NE) 120.8 ft NAVD88 Minimal 120.8 ft NAVD88 FHRR Section 3.1.3 & Table 3.1.3.1 Diesel 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 Mechanism Stillwater Elevation Waves/
Runup Reevaluated Hazard Elevation Reference 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.
117.5 ft NAVD88 Minimal 117.5 ft NAVD88 FHRR Section 3.1.3 & Table 3.1.3.1 Pump Structure Storm Surge 118.5 ft NAVD88 Not applicable 118.5 ft NAVD88 FHRR Section 3.4.3 Conowingo Maximum Controlled Water Elevation Antecedent Condition Seiche 112.8 ft NAVD88 Not applicable 112.8 ft NAVD88 FHRR Section 3.4.4 & Table 3.4.3.2.4 Seiche in Length Direction (Conowingo Maximum Controlled Water Elevation Antecedent Condition) 112.3 ft NAVD88 Not applicable 112.3 ft NAVD88 FHRR Section 3.4.4 & Table 3.4.3.2.4 Seiche in Width Direction (Conowingo Maximum Controlled Water Elevation Antecedent Condition)
Ice-Induced Flooding 111.5 ft NAVD88 Not applicable 111.5 ft NAVD88 FHRR Sections 3.7 & 3.7.3 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.