ML16089A455

TMI MSFHI Tables Public 3-29-2016

ML16089A455
Person / Time
Site:	Crane
Issue date:	03/29/2016
From:	Richard Rivera-Lugo NRC/NRO/DSEA/RHMB
To:
Rivera-Lugo R
References
Download: ML16089A455 (3)

Text

Three Mile Island Nuclear Station, Unit 1Table 1. Current Design Basis Flood Hazards for Use in the MSA MechanismStillwater Elevation Waves/ Runup Reference Design Basis Hazard ElevationNote 1: Reported values are rounded to the nearest one-tenth of a foot.

Local Intense PrecipitationNot included in DBNot included in DBNot included in DBFHRR Section 3b1Failure of Dams and Onsite Water Control/Storage Structures Streams and Rivers313.3 ft NGVD29 Not applicable313.3 ft NGVD29FHRR Section 3b2Storm SurgeNot included in DBNot included in DBNot included in DBFHRR Section 3b4 SeicheNot included in DBNot included in DBNot included in DBFHRR Section 3b5 Tsunami Not included in DB Not included in DB Not included in DBFHRR Section 3b6Ice-Induced Flooding Not included in DB Not included in DB Not included in DBFHRR Section 3b7Channel Migrations/Diversions Not included in DB Not included in DB Not included in DBFHRR Section 3b8 Three Mile Island Nucle ar Station, Unit 1 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA MechanismStillwater Elevation Waves/ RunupReevaluated Hazard Elevation ReferenceLocal Intense Precipitation305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Air Intake Pagoda & Tunnel305.3 ft NGVD29Minimal305.3 ft NGVD29FHRR Section 4a & Table 3 Auxiliary Building, Unit 1 - BSWT Tunnel Sumps305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Auxiliary Building, Unit 1 - Entrance on South Wall305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Control Building, Unit 1 - Entrance on North Wall305.2 ft NGVD29Minimal305.2 ft NGVD29FHRR Section 4a & Table 3 Control Building, Unit 1 - Entrance on Northeast Wall305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Control Building, Unit 1 - Turbine Building Drains305.1 ft NGVD29 Minimal305.1 ft NGVD29FHRR Section 4a & Table 3Diesel Generating Building - Entrance on North Wall305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Diesel Generating Building - Entrance on East Wall305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Fuel Handling Bu ilding, Unit 1 - Entrance on South Wall305.2 ft NGVD29Minimal305.2 ft NGVD29FHRR Section 4a & Table 3 Fuel Handling Bu ilding, Unit 1 - Entrance on West Wall305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Fuel Handling Bu ilding, Unit 1 -

Turbine Building Drains Three Mile Island Nucle ar Station, Unit 1 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA MechanismStillwater Elevation Waves/ RunupReevaluated Hazard Elevation Reference Note 2: Reevaluated hazard mechanisms boun ded by the current design basis (see Table 1) are not included in thi s tableNote 3: Reported values are ro unded to the nearest one-tenth of a foot.305.1 ft NGVD29 Minimal305.1 ft NGVD29FHRR Section 4a & Table 3Intake Screen & Pump House, Unit 1305.4 ft NGVD29Minimal305.4 ft NGVD29FHRR Section 4a & Table 3 Reactor Building, Unit 1Failure of Dams and Onsite Water Control/Storage Structures Ice-Induced Flood ing Note 1: The licensee is expected to develop floo d even t d ura tion para met ers and appl icable f lood assoc iate d effects to conduct the MSA. The staff will evaluate the flood event duration p arameters (in cluding wa rning time and pe riod of inundat ion) an d flo od a ssociated effects dur ing its re view of the MSA.

Note 4: ce-induced floo ding is bo unded by the s e ismically i nduced dam failure hazard. Therefore, the maximu m water s urface eleva tion reported in this table for this ice-induced flooding is the same as for sei smically induced dam failure.

Three Mile Island Nuclear Station, Unit 1Table 1. Current Design Basis Flood Hazards for Use in the MSA MechanismStillwater Elevation Waves/ Runup Reference Design Basis Hazard ElevationNote 1: Reported values are rounded to the nearest one-tenth of a foot.

Local Intense PrecipitationNot included in DBNot included in DBNot included in DBFHRR Section 3b1Failure of Dams and Onsite Water Control/Storage Structures Streams and Rivers313.3 ft NGVD29 Not applicable313.3 ft NGVD29FHRR Section 3b2Storm SurgeNot included in DBNot included in DBNot included in DBFHRR Section 3b4 SeicheNot included in DBNot included in DBNot included in DBFHRR Section 3b5 Tsunami Not included in DB Not included in DB Not included in DBFHRR Section 3b6Ice-Induced Flooding Not included in DB Not included in DB Not included in DBFHRR Section 3b7Channel Migrations/Diversions Not included in DB Not included in DB Not included in DBFHRR Section 3b8 Three Mile Island Nucle ar Station, Unit 1 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA MechanismStillwater Elevation Waves/ RunupReevaluated Hazard Elevation ReferenceLocal Intense Precipitation305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Air Intake Pagoda & Tunnel305.3 ft NGVD29Minimal305.3 ft NGVD29FHRR Section 4a & Table 3 Auxiliary Building, Unit 1 - BSWT Tunnel Sumps305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Auxiliary Building, Unit 1 - Entrance on South Wall305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Control Building, Unit 1 - Entrance on North Wall305.2 ft NGVD29Minimal305.2 ft NGVD29FHRR Section 4a & Table 3 Control Building, Unit 1 - Entrance on Northeast Wall305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Control Building, Unit 1 - Turbine Building Drains305.1 ft NGVD29 Minimal305.1 ft NGVD29FHRR Section 4a & Table 3Diesel Generating Building - Entrance on North Wall305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Diesel Generating Building - Entrance on East Wall305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Fuel Handling Bu ilding, Unit 1 - Entrance on South Wall305.2 ft NGVD29Minimal305.2 ft NGVD29FHRR Section 4a & Table 3 Fuel Handling Bu ilding, Unit 1 - Entrance on West Wall305.2 ft NGVD29 Minimal305.2 ft NGVD29FHRR Section 4a & Table 3Fuel Handling Bu ilding, Unit 1 -

Turbine Building Drains Three Mile Island Nucle ar Station, Unit 1 Table 2. Reevaluated Flood Hazards for Flood-Causing Mechanisms for Use in the MSA MechanismStillwater Elevation Waves/ RunupReevaluated Hazard Elevation Reference Note 2: Reevaluated hazard mechanisms boun ded by the current design basis (see Table 1) are not included in thi s tableNote 3: Reported values are ro unded to the nearest one-tenth of a foot.305.1 ft NGVD29 Minimal305.1 ft NGVD29FHRR Section 4a & Table 3Intake Screen & Pump House, Unit 1305.4 ft NGVD29Minimal305.4 ft NGVD29FHRR Section 4a & Table 3 Reactor Building, Unit 1Failure of Dams and Onsite Water Control/Storage Structures Ice-Induced Flood ing Note 1: The licensee is expected to develop floo d even t d ura tion para met ers and appl icable f lood assoc iate d effects to conduct the MSA. The staff will evaluate the flood event duration p arameters (in cluding wa rning time and pe riod of inundat ion) an d flo od a ssociated effects dur ing its re view of the MSA.

Note 4: ce-induced floo ding is bo unded by the s e ismically i nduced dam failure hazard. Therefore, the maximu m water s urface eleva tion reported in this table for this ice-induced flooding is the same as for sei smically induced dam failure.