ML15226A525: Difference between revisions

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| number = ML15226A525
| number = ML15226A525
| issue date = 09/03/2015
| issue date = 09/03/2015
| title = McGuire-HAhn_8-13-2015
| title = HAhn_8-13-2015
| author name = Ahn H
| author name = Ahn H
| author affiliation = NRC/NRO/DSEA/RHMB
| author affiliation = NRC/NRO/DSEA/RHMB
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{{#Wiki_filter:McGuire, Units 1 & 2Table 1. Current Design Basis Flood Hazards for Use in the MSAMechanismStillwater Elevation Waves/ RunupReferenceDesign Basis Hazard ElevationLocal Intense Precipitation760.4 ft msl0.0 ft760.4 ft mslFHRR Section 1.2.1Failure of Dams and Onsite Water Control/Storage StructuresUpstream am ailures (combined event)762.6 ft msl5.1 ft767.7 ft mslFHRR Section 1.2.3FHRR Section 1.2.3 (Table 1.2.8-1)Standby Nuclear Service Water Pond (combined event)746.9 ft msl1.5 ft748.4 ft mslFHRR Table 3-1Standby Nuclear Service Water Pond Dam Downstream (combined event)727.8 ft msl727.8 ft mslFHRR Table 3-1Streams and RiversReservoir Level at Cowans ord Dam767.9 ft msl5.1 ft773.0 ft mslFHRR Section 1.2.2FHRR Section 1.2.8 (Table 1.2.8-1)Storm SurgeSurge in Lake Norman760.0 ft msl14.8 ft774. ft mslFHRR Section 1.2.4Seiche  No Impact on the Site Identified  FHRR Section 1.2.4TsunamiNot included in DBNot included in DBNot included in DBFHRR Section 1.2 McGuire, Units 1 & 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.Ice-Induced FloodingNot included in DBNot included in DBNot included in DBFHRR Section 1.2Channel Migrations/DiversionsNot included in DBNot included in DBNot included in DBFHRR Section 1.2 McGuire, Units 1 & 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.761.1 ft mslMinimal761.1 ft mslFHRR Section 2.1Local Intense PrecipitationStreams and Rivers777.9 ft mslNot applicable777.9 ft mslFHRR Section 2.2 and 2.8River PMF in Lake NormanFailure of Dams and Onsite Water Control/Storage Structures778.5 ft mslNot applicable778.5 ft mslFHRR Section 2.3 and 2.8Upstream am ailures (combined event)   FHRR Tables 2.4.2-1 and 2.4.2-2Standby Nuclear Service Water Pond Dam Downstream (combined event)Storm Surge778.5 ft msl0.0 ft778.5 ft mslFHRR Table 3-1FHRR Section 2.4.1 (Table 2.4.1-1)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.}}
{{#Wiki_filter:McGuire, Units 1 & 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 760.4 ft msl      0.0 ft        760.4 ft msl      FHRR Section 1.2.1 Streams and Rivers Reservoir Level at Cowans 767.9 ft msl      5.1 ft        773.0 ft msl      FHRR Section 1.2.2 Ford Dam                                                                      FHRR Section 1.2.8 (Table 1.2.8-1)
Failure of Dams and Onsite Water Control/Storage Structures Upstream Dam Failures            762.6 ft msl      5.1 ft        767.7 ft msl      FHRR Section 1.2.3 (combined event)                                                              FHRR Section 1.2.3 (Table 1.2.8-1)
Standby Nuclear Service Water   746.9 ft msl      1.5 ft        748.4 ft msl        FHRR Table 3-1 Pond (combined event)
Standby Nuclear Service Water    727.8 ft msl      Not          727.8 ft msl        FHRR Table 3-1 Pond Dam Downstream                            applicable (combined event)
Storm Surge Surge in Lake Norman            760.0 ft msl    14.8 ft        774.8 ft msl      FHRR Section 1.2.4 Seiche No Impact    No Impact          No Impact         FHRR Section 1.2.4 on the Site  on the Site        on the Site Identified    Identified          Identified Tsunami Not included Not included       Not included       FHRR Section 1.2 in DB        in DB              in DB
 
McGuire, Units 1 & 2 Table 1. Current Design Basis Flood Hazards for Use in the MSA Mechanism                  Stillwater      Waves/         Design Basis             Reference Elevation        Runup              Hazard Elevation Ice-Induced Flooding Not included    Not included      Not included      FHRR Section 1.2 in DB          in DB              in DB Channel Migrations/Diversions Not included    Not included      Not included      FHRR Section 1.2 in DB          in DB              in DB Note 1: Reported values are rounded to the nearest one-tenth of a foot.
Note 2: The wave hieght value of 5.1 ft for the Streams and Rivers, and Upstream Dam Failures (combined event) is wave setup plus runup.
 
McGuire, Units 1 & 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 761.1 ft msl      Minimal          761.1 ft msl      FHRR Section 2.1 Streams and Rivers River PMF in Lake Norman            777.9 ft msl        Not            777.9 ft msl    FHRR Section 2.2 and 2.8 applicable Failure of Dams and Onsite Water Control/Storage Structures Upstream Dam Failures              778.5 ft msl        Not            778.5 ft msl    FHRR Section 2.3 and 2.8 (combined event)                                     applicable Standby Nuclear Service Water      735.9 ft msl        0.9 ft          736.8 ft msl  FHRR Tables 2.4.2-1 and 2.4.2-2 Pond Dam Downstream (combined event)
Storm Surge 778.5 ft msl        0.0 ft          778.5 ft msl        FHRR Table 3-1 FHRR Section 2.4.1 (Table 2.4.1-1)
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 07:51, 31 October 2019

HAhn_8-13-2015
ML15226A525
Person / Time
Site: McGuire, Mcguire  Duke Energy icon.png
Issue date: 09/03/2015
From: Hosung Ahn
NRC/NRO/DSEA/RHMB
To:
Ahn H
Shared Package
ML15230A161 List:
References
TAC MF3623, TAC MF3624
Download: ML15226A525 (3)
v • d • e


Text

McGuire, Units 1 & 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 760.4 ft msl 0.0 ft 760.4 ft msl FHRR Section 1.2.1 Streams and Rivers Reservoir Level at Cowans 767.9 ft msl 5.1 ft 773.0 ft msl FHRR Section 1.2.2 Ford Dam FHRR Section 1.2.8 (Table 1.2.8-1)

Failure of Dams and Onsite Water Control/Storage Structures Upstream Dam Failures 762.6 ft msl 5.1 ft 767.7 ft msl FHRR Section 1.2.3 (combined event) FHRR Section 1.2.3 (Table 1.2.8-1)

Standby Nuclear Service Water 746.9 ft msl 1.5 ft 748.4 ft msl FHRR Table 3-1 Pond (combined event)

Standby Nuclear Service Water 727.8 ft msl Not 727.8 ft msl FHRR Table 3-1 Pond Dam Downstream applicable (combined event)

Storm Surge Surge in Lake Norman 760.0 ft msl 14.8 ft 774.8 ft msl FHRR Section 1.2.4 Seiche No Impact No Impact No Impact FHRR Section 1.2.4 on the Site on the Site on the Site Identified Identified Identified Tsunami Not included Not included Not included FHRR Section 1.2 in DB in DB in DB

McGuire, Units 1 & 2 Table 1. Current Design Basis Flood Hazards for Use in the MSA Mechanism Stillwater Waves/ Design Basis Reference Elevation Runup Hazard Elevation Ice-Induced Flooding Not included Not included Not included FHRR Section 1.2 in DB in DB in DB Channel Migrations/Diversions Not included Not included Not included FHRR Section 1.2 in DB in DB in DB Note 1: Reported values are rounded to the nearest one-tenth of a foot.

Note 2: The wave hieght value of 5.1 ft for the Streams and Rivers, and Upstream Dam Failures (combined event) is wave setup plus runup.

McGuire, Units 1 & 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 761.1 ft msl Minimal 761.1 ft msl FHRR Section 2.1 Streams and Rivers River PMF in Lake Norman 777.9 ft msl Not 777.9 ft msl FHRR Section 2.2 and 2.8 applicable Failure of Dams and Onsite Water Control/Storage Structures Upstream Dam Failures 778.5 ft msl Not 778.5 ft msl FHRR Section 2.3 and 2.8 (combined event) applicable Standby Nuclear Service Water 735.9 ft msl 0.9 ft 736.8 ft msl FHRR Tables 2.4.2-1 and 2.4.2-2 Pond Dam Downstream (combined event)

Storm Surge 778.5 ft msl 0.0 ft 778.5 ft msl FHRR Table 3-1 FHRR Section 2.4.1 (Table 2.4.1-1)

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.

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