ML16084A610: Difference between revisions

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| number = ML16084A610
| number = ML16084A610
| issue date = 03/30/2016
| issue date = 03/30/2016
| title = Diablo Canyon MSFHI Tables 1&2 Final 3-24-2016
| title = MSFHI Tables 1&2 Final 3-24-2016
| author name = Rivera-Lugo R F
| author name = Rivera-Lugo R
| author affiliation = NRC/NRO/DSEA/RHMB
| author affiliation = NRC/NRO/DSEA/RHMB
| addressee name =  
| addressee name =  
Line 9: Line 9:
| docket = 05000275, 05000323
| docket = 05000275, 05000323
| license number =  
| license number =  
| contact person = Rivera-Lugo R F
| contact person = Rivera-Lugo R
| package number = ML16083A552
| package number = ML16083A552
| document type = - No Document Type Applies
| document type = - No Document Type Applies
| page count = 6
| page count = 6
}}
}}
=Text=
{{#Wiki_filter:Diablo Canyon Nuclear Power Plant, Units 1 & 2 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 No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.1 Failure of Dams and Onsite Water Control/Storage Structures No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.3 Streams and Rivers Diablo Creek 81.9 ft.
NAVD88 Not applicable 81.9 ft.
NAVD88 FHRR Section 2.3.2.2 Storm Surge Storm Surge No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.4 Seiche No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.5 Tsunami Distantly-Generated Tsunamis 20.0 ft.
NAVD88 10.3 ft 30.3 ft.
NAVD88 FHRR Section 2.3.2.6.1 FHRR Section 2.3.2.13 Near-Shore Tsunamis 9.2 ft.
NAVD88 25.7 ft 34.9 ft.
NAVD88 FHRR Section 2.3.2.6.2 FHRR Section 2.3.2.13 Ice-Induced Flooding Not included in DB Not included in DB Not included in DB FHRR Section 2.3.2.7 1
Diablo Canyon Nuclear Power Plant, Units 1 & 2 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.
Channel Migrations/Diversions Not included in DB Not included in DB Not included in DB FHRR Section 2.3.2.8 2
Diablo Canyon Nuclear Power Plant, Units 1 & 2 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 87.4 ft.
NAVD88 Minimal 87.4 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A2.1 87.4 ft.
NAVD88 Minimal 87.4 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU102 87.3 ft.
NAVD88 Minimal 87.3 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU103 87.4 ft.
NAVD88 Minimal 87.4 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A3.1 87.4 ft.
NAVD88 Minimal 87.4 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A3.2 87.3 ft.
NAVD88 Minimal 87.3 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A3.3 87.3 ft.
NAVD88 Minimal 87.3 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU104/5 87.7 ft.
NAVD88 Minimal 87.7 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 101-1 87.7 ft.
NAVD88 Minimal 87.7 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 102-1 87.9 ft.
NAVD88 Minimal 87.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 119-1 88.1 ft.
NAVD88 Minimal 88.1 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 122-1 1
Diablo Canyon Nuclear Power Plant, Units 1 & 2 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA Mechanism Stillwater Elevation Waves/
Runup Reevaluated Hazard Elevation Reference 87.6 ft.
NAVD88 Minimal 87.6 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. C1.1 87.6 ft.
NAVD88 Minimal 87.6 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 129 87.5 ft.
NAVD88 Minimal 87.5 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 130 87.7 ft.
NAVD88 Minimal 87.7 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. C1.2 87.3 ft.
NAVD88 Minimal 87.3 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU108-2 87.3 ft.
NAVD88 Minimal 87.3 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU105-2 87.5 ft.
NAVD88 Minimal 87.5 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU106-2 87.6 ft.
NAVD88 Minimal 87.6 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. B2.1 87.3 ft.
NAVD88 Minimal 87.3 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU101 87.6 ft.
NAVD88 Minimal 87.6 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. B1.1 87.6 ft.
NAVD88 Minimal 87.6 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. B1.2 87.8 ft.
NAVD88 Minimal 87.8 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 101-2 2
Diablo Canyon Nuclear Power Plant, Units 1 & 2 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA Mechanism Stillwater Elevation Waves/
Runup Reevaluated Hazard Elevation Reference 87.8 ft.
NAVD88 Minimal 87.8 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 102-2 87.9 ft.
NAVD88 Minimal 87.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 119-2 88.0 ft.
NAVD88 Minimal 88.0 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 122-2 88.2 ft.
NAVD88 Minimal 88.2 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 192-1 88.0 ft.
NAVD88 Minimal 88.0 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 191-1 88.0 ft.
NAVD88 Minimal 88.0 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 194-1 88.1 ft.
NAVD88 Minimal 88.1 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 192-2 88.0 ft.
NAVD88 Minimal 88.0 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 191-2/191A-2 87.9 ft.
NAVD88 Minimal 87.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 194-2 117.6 ft.
NAVD88 Minimal 117.6 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 363-1 117.9 ft.
NAVD88 Minimal 117.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 361-1 117.9 ft.
NAVD88 Minimal 117.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 360-1 3
Diablo Canyon Nuclear Power Plant, Units 1 & 2 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.
117.9 ft.
NAVD88 Minimal 117.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 355-1 117.9 ft.
NAVD88 Minimal 117.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 354-1 117.9 ft.
NAVD88 Minimal 117.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 360-2 117.9 ft.
NAVD88 Minimal 117.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 361-2 117.5 ft.
NAVD88 Minimal 117.5 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 363-2 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.
4
Diablo Canyon Nuclear Power Plant, Units 1 & 2 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 No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.1 Failure of Dams and Onsite Water Control/Storage Structures No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.3 Streams and Rivers Diablo Creek 81.9 ft.
NAVD88 Not applicable 81.9 ft.
NAVD88 FHRR Section 2.3.2.2 Storm Surge Storm Surge No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.4 Seiche No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.5 Tsunami Distantly-Generated Tsunamis 20.0 ft.
NAVD88 10.3 ft 30.3 ft.
NAVD88 FHRR Section 2.3.2.6.1 FHRR Section 2.3.2.13 Near-Shore Tsunamis 9.2 ft.
NAVD88 25.7 ft 34.9 ft.
NAVD88 FHRR Section 2.3.2.6.2 FHRR Section 2.3.2.13 Ice-Induced Flooding Not included in DB Not included in DB Not included in DB FHRR Section 2.3.2.7 1
Diablo Canyon Nuclear Power Plant, Units 1 & 2 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.
Channel Migrations/Diversions Not included in DB Not included in DB Not included in DB FHRR Section 2.3.2.8 2
Diablo Canyon Nuclear Power Plant, Units 1 & 2 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 87.4 ft.
NAVD88 Minimal 87.4 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A2.1 87.4 ft.
NAVD88 Minimal 87.4 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU102 87.3 ft.
NAVD88 Minimal 87.3 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU103 87.4 ft.
NAVD88 Minimal 87.4 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A3.1 87.4 ft.
NAVD88 Minimal 87.4 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A3.2 87.3 ft.
NAVD88 Minimal 87.3 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A3.3 87.3 ft.
NAVD88 Minimal 87.3 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU104/5 87.7 ft.
NAVD88 Minimal 87.7 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 101-1 87.7 ft.
NAVD88 Minimal 87.7 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 102-1 87.9 ft.
NAVD88 Minimal 87.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 119-1 88.1 ft.
NAVD88 Minimal 88.1 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 122-1 1
Diablo Canyon Nuclear Power Plant, Units 1 & 2 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA Mechanism Stillwater Elevation Waves/
Runup Reevaluated Hazard Elevation Reference 87.6 ft.
NAVD88 Minimal 87.6 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. C1.1 87.6 ft.
NAVD88 Minimal 87.6 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 129 87.5 ft.
NAVD88 Minimal 87.5 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 130 87.7 ft.
NAVD88 Minimal 87.7 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. C1.2 87.3 ft.
NAVD88 Minimal 87.3 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU108-2 87.3 ft.
NAVD88 Minimal 87.3 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU105-2 87.5 ft.
NAVD88 Minimal 87.5 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU106-2 87.6 ft.
NAVD88 Minimal 87.6 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. B2.1 87.3 ft.
NAVD88 Minimal 87.3 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU101 87.6 ft.
NAVD88 Minimal 87.6 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. B1.1 87.6 ft.
NAVD88 Minimal 87.6 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. B1.2 87.8 ft.
NAVD88 Minimal 87.8 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 101-2 2
Diablo Canyon Nuclear Power Plant, Units 1 & 2 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA Mechanism Stillwater Elevation Waves/
Runup Reevaluated Hazard Elevation Reference 87.8 ft.
NAVD88 Minimal 87.8 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 102-2 87.9 ft.
NAVD88 Minimal 87.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 119-2 88.0 ft.
NAVD88 Minimal 88.0 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 122-2 88.2 ft.
NAVD88 Minimal 88.2 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 192-1 88.0 ft.
NAVD88 Minimal 88.0 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 191-1 88.0 ft.
NAVD88 Minimal 88.0 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 194-1 88.1 ft.
NAVD88 Minimal 88.1 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 192-2 88.0 ft.
NAVD88 Minimal 88.0 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 191-2/191A-2 87.9 ft.
NAVD88 Minimal 87.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 194-2 117.6 ft.
NAVD88 Minimal 117.6 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 363-1 117.9 ft.
NAVD88 Minimal 117.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 361-1 117.9 ft.
NAVD88 Minimal 117.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 360-1 3
Diablo Canyon Nuclear Power Plant, Units 1 & 2 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.
117.9 ft.
NAVD88 Minimal 117.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 355-1 117.9 ft.
NAVD88 Minimal 117.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 354-1 117.9 ft.
NAVD88 Minimal 117.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 360-2 117.9 ft.
NAVD88 Minimal 117.9 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 361-2 117.5 ft.
NAVD88 Minimal 117.5 ft.
NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 363-2 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.
4}}

Latest revision as of 02:15, 10 January 2025

MSFHI Tables 1&2 Final 3-24-2016
ML16084A610
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 03/30/2016
From: Richard Rivera-Lugo
NRC/NRO/DSEA/RHMB
To:
Rivera-Lugo R
Shared Package
ML16083A552 List:
References
Download: ML16084A610 (6)
v • d • e


Text

Diablo Canyon Nuclear Power Plant, Units 1 & 2 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 No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.1 Failure of Dams and Onsite Water Control/Storage Structures No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.3 Streams and Rivers Diablo Creek 81.9 ft.

NAVD88 Not applicable 81.9 ft.

NAVD88 FHRR Section 2.3.2.2 Storm Surge Storm Surge No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.4 Seiche No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.5 Tsunami Distantly-Generated Tsunamis 20.0 ft.

NAVD88 10.3 ft 30.3 ft.

NAVD88 FHRR Section 2.3.2.6.1 FHRR Section 2.3.2.13 Near-Shore Tsunamis 9.2 ft.

NAVD88 25.7 ft 34.9 ft.

NAVD88 FHRR Section 2.3.2.6.2 FHRR Section 2.3.2.13 Ice-Induced Flooding Not included in DB Not included in DB Not included in DB FHRR Section 2.3.2.7 1

Diablo Canyon Nuclear Power Plant, Units 1 & 2 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.

Channel Migrations/Diversions Not included in DB Not included in DB Not included in DB FHRR Section 2.3.2.8 2

Diablo Canyon Nuclear Power Plant, Units 1 & 2 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 87.4 ft.

NAVD88 Minimal 87.4 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A2.1 87.4 ft.

NAVD88 Minimal 87.4 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU102 87.3 ft.

NAVD88 Minimal 87.3 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU103 87.4 ft.

NAVD88 Minimal 87.4 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A3.1 87.4 ft.

NAVD88 Minimal 87.4 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A3.2 87.3 ft.

NAVD88 Minimal 87.3 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A3.3 87.3 ft.

NAVD88 Minimal 87.3 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU104/5 87.7 ft.

NAVD88 Minimal 87.7 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 101-1 87.7 ft.

NAVD88 Minimal 87.7 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 102-1 87.9 ft.

NAVD88 Minimal 87.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 119-1 88.1 ft.

NAVD88 Minimal 88.1 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 122-1 1

Diablo Canyon Nuclear Power Plant, Units 1 & 2 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA Mechanism Stillwater Elevation Waves/

Runup Reevaluated Hazard Elevation Reference 87.6 ft.

NAVD88 Minimal 87.6 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. C1.1 87.6 ft.

NAVD88 Minimal 87.6 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 129 87.5 ft.

NAVD88 Minimal 87.5 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 130 87.7 ft.

NAVD88 Minimal 87.7 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. C1.2 87.3 ft.

NAVD88 Minimal 87.3 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU108-2 87.3 ft.

NAVD88 Minimal 87.3 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU105-2 87.5 ft.

NAVD88 Minimal 87.5 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU106-2 87.6 ft.

NAVD88 Minimal 87.6 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. B2.1 87.3 ft.

NAVD88 Minimal 87.3 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU101 87.6 ft.

NAVD88 Minimal 87.6 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. B1.1 87.6 ft.

NAVD88 Minimal 87.6 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. B1.2 87.8 ft.

NAVD88 Minimal 87.8 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 101-2 2

Diablo Canyon Nuclear Power Plant, Units 1 & 2 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA Mechanism Stillwater Elevation Waves/

Runup Reevaluated Hazard Elevation Reference 87.8 ft.

NAVD88 Minimal 87.8 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 102-2 87.9 ft.

NAVD88 Minimal 87.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 119-2 88.0 ft.

NAVD88 Minimal 88.0 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 122-2 88.2 ft.

NAVD88 Minimal 88.2 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 192-1 88.0 ft.

NAVD88 Minimal 88.0 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 191-1 88.0 ft.

NAVD88 Minimal 88.0 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 194-1 88.1 ft.

NAVD88 Minimal 88.1 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 192-2 88.0 ft.

NAVD88 Minimal 88.0 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 191-2/191A-2 87.9 ft.

NAVD88 Minimal 87.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 194-2 117.6 ft.

NAVD88 Minimal 117.6 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 363-1 117.9 ft.

NAVD88 Minimal 117.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 361-1 117.9 ft.

NAVD88 Minimal 117.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 360-1 3

Diablo Canyon Nuclear Power Plant, Units 1 & 2 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.

117.9 ft.

NAVD88 Minimal 117.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 355-1 117.9 ft.

NAVD88 Minimal 117.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 354-1 117.9 ft.

NAVD88 Minimal 117.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 360-2 117.9 ft.

NAVD88 Minimal 117.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 361-2 117.5 ft.

NAVD88 Minimal 117.5 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 363-2 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.

4

Diablo Canyon Nuclear Power Plant, Units 1 & 2 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 No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.1 Failure of Dams and Onsite Water Control/Storage Structures No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.3 Streams and Rivers Diablo Creek 81.9 ft.

NAVD88 Not applicable 81.9 ft.

NAVD88 FHRR Section 2.3.2.2 Storm Surge Storm Surge No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.4 Seiche No Impact on the Site Identified No Impact on the Site Identified No Impact on the Site Identified FHRR Section 2.3.2.5 Tsunami Distantly-Generated Tsunamis 20.0 ft.

NAVD88 10.3 ft 30.3 ft.

NAVD88 FHRR Section 2.3.2.6.1 FHRR Section 2.3.2.13 Near-Shore Tsunamis 9.2 ft.

NAVD88 25.7 ft 34.9 ft.

NAVD88 FHRR Section 2.3.2.6.2 FHRR Section 2.3.2.13 Ice-Induced Flooding Not included in DB Not included in DB Not included in DB FHRR Section 2.3.2.7 1

Diablo Canyon Nuclear Power Plant, Units 1 & 2 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.

Channel Migrations/Diversions Not included in DB Not included in DB Not included in DB FHRR Section 2.3.2.8 2

Diablo Canyon Nuclear Power Plant, Units 1 & 2 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 87.4 ft.

NAVD88 Minimal 87.4 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A2.1 87.4 ft.

NAVD88 Minimal 87.4 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU102 87.3 ft.

NAVD88 Minimal 87.3 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU103 87.4 ft.

NAVD88 Minimal 87.4 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A3.1 87.4 ft.

NAVD88 Minimal 87.4 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A3.2 87.3 ft.

NAVD88 Minimal 87.3 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. A3.3 87.3 ft.

NAVD88 Minimal 87.3 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU104/5 87.7 ft.

NAVD88 Minimal 87.7 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 101-1 87.7 ft.

NAVD88 Minimal 87.7 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 102-1 87.9 ft.

NAVD88 Minimal 87.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 119-1 88.1 ft.

NAVD88 Minimal 88.1 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 122-1 1

Diablo Canyon Nuclear Power Plant, Units 1 & 2 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA Mechanism Stillwater Elevation Waves/

Runup Reevaluated Hazard Elevation Reference 87.6 ft.

NAVD88 Minimal 87.6 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. C1.1 87.6 ft.

NAVD88 Minimal 87.6 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 129 87.5 ft.

NAVD88 Minimal 87.5 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 130 87.7 ft.

NAVD88 Minimal 87.7 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. C1.2 87.3 ft.

NAVD88 Minimal 87.3 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU108-2 87.3 ft.

NAVD88 Minimal 87.3 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU105-2 87.5 ft.

NAVD88 Minimal 87.5 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU106-2 87.6 ft.

NAVD88 Minimal 87.6 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. B2.1 87.3 ft.

NAVD88 Minimal 87.3 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. BU101 87.6 ft.

NAVD88 Minimal 87.6 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. B1.1 87.6 ft.

NAVD88 Minimal 87.6 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. B1.2 87.8 ft.

NAVD88 Minimal 87.8 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 101-2 2

Diablo Canyon Nuclear Power Plant, Units 1 & 2 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA Mechanism Stillwater Elevation Waves/

Runup Reevaluated Hazard Elevation Reference 87.8 ft.

NAVD88 Minimal 87.8 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 102-2 87.9 ft.

NAVD88 Minimal 87.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 119-2 88.0 ft.

NAVD88 Minimal 88.0 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 122-2 88.2 ft.

NAVD88 Minimal 88.2 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 192-1 88.0 ft.

NAVD88 Minimal 88.0 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 191-1 88.0 ft.

NAVD88 Minimal 88.0 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 194-1 88.1 ft.

NAVD88 Minimal 88.1 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 192-2 88.0 ft.

NAVD88 Minimal 88.0 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 191-2/191A-2 87.9 ft.

NAVD88 Minimal 87.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 194-2 117.6 ft.

NAVD88 Minimal 117.6 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 363-1 117.9 ft.

NAVD88 Minimal 117.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 361-1 117.9 ft.

NAVD88 Minimal 117.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 360-1 3

Diablo Canyon Nuclear Power Plant, Units 1 & 2 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.

117.9 ft.

NAVD88 Minimal 117.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 355-1 117.9 ft.

NAVD88 Minimal 117.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 354-1 117.9 ft.

NAVD88 Minimal 117.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 360-2 117.9 ft.

NAVD88 Minimal 117.9 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 361-2 117.5 ft.

NAVD88 Minimal 117.5 ft.

NAVD88 FHRR Enclosure 1 Table 3-5 Door/Unit No. 363-2 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.

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