ML19232A171

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Attachment: Authorization - Shielding SER Brr Fuel Rod (06/19/2019, E-Mail from A. Sotomayor-Rivera/NRC to N. Garcia-Santos/NRC Brr Fuel Rod Segment Shielding SER - Final (6-19-19))
ML19232A171
Person / Time
Site: 07109341
Issue date: 06/19/2019
From: Alexis Sotomayor-Rivera
NRC/NMSS/DSFM/CSRB
To: Garcia-Santos N
Spent Fuel Licensing Branch
Garcia-Santos N
Shared Package
ML19232A170 List:
References
Download: ML19232A171 (1)


Text

5.0 SHIELDING REVIEW 5.1.2 Summary of Maximum Radiation Levels The summary of the maximum dose rates is shown in Table 6-6 and Table 6-7 of the application for NCT and HAC, respectively. For NCT, total dose rates at top of the package surface is computed to be 15.3 mrem/hr, the total dose rates at the side of the package is computed to be 29.7 mrem/hr, and the total dose rates at the bottom of the package is computed to be 4.4 mrem/hr. The total dose rate at the top of the vehicle surface is computed to be 15.3 mrem/hr, the total dose rates at the side of the vehicle surface, the total dose rate is computed to be 3.5 mrem/hr, and at the bottom of the vehicle surface the total dose rates is computed to be 4.4 mrem/hr. The total dose rates at 2 meters from vehicle surface is computed to be 0.3 mrem/hr, and the total dose rates at the occupied location is computed to be 4.95 E-02. For HAC, the maximum total dose rates at one meter from the top of the package surface is computed to be 5.2 mrem/hr, the total dose rates at one meter from the side of the package surface is computed to be 1.6 mrem/hr, and the total dose rates from the bottom of the package surface is computed to be 1.8 mrem/hr.