ML19022A306
| ML19022A306 | |
| Person / Time | |
|---|---|
| Site: | Clinch River |
| Issue date: | 02/04/2019 |
| From: | Frederick Brown Office of New Reactors |
| To: | Michael Corradini Advisory Committee on Reactor Safeguards |
| Sutton M, 301-415-0673 | |
| Shared Package | |
| ML19011A019 | List: |
| References | |
| LTR-19-0013-1 | |
| Download: ML19022A306 (6) | |
Text
February 4, 2019 Dr. Michael L. Corradini, Chairman Advisory Committee on Reactor Safeguards U.S. Nuclear Regulatory Commission Washington, DC 20555-0001
SUBJECT:
EARLY SITE PERMITCLINCH RIVER NUCLEAR SITE
Dear Dr. Corradini:
On behalf of the U.S. Nuclear Regulatory Commission (NRC) staff, I would like to thank you for the letter from the Advisory Committee on Reactor Safeguards (ACRS) dated January 9, 2019 (Agencywide Documents Access and Management System Accession No. ML19009A286), on the early site permit (ESP) application submitted by the Tennessee Valley Authority (TVA) for the Clinch River Nuclear (CRN) Site. Your letter came after the ACRSs 659th meeting on December 6-7, 2018, during which the ACRS completed its review of the ESP application and the NRC staffs safety evaluation report (SER).
The ACRS letter included the following conclusions and recommendations:
- Small modular reactors with design characteristics within the plant parameter envelope used by TVA in developing its CRN Site ESP application can be constructed and operated without undue risk to the health and safety of the public.
- The ESP for the CRN Site should be issued.
The staff appreciates the Committees efforts and agrees with its conclusions and recommendations.
The staff would like to clarify one statement made in the ACRS letter. As discussed during the meeting, TVA proposed a risk-informed, dose-based, consequence-oriented methodology to determine the plume exposure pathway (PEP) emergency planning zone (EPZ). TVAs methodology uses a dose-savings approach consistent with NUREG-0396, Planning Basis for the Development of State and Local Government Radiological Emergency Response Plans in Support of Light Water Nuclear Power Plants, issued December 1978, and the dose criteria of the U.S. Environmental Protection Agencys early-phase protective action guides. The ACRS letter dated January 9, 2019, stated, At least one SMR design is expected to meet the dose criteria for the site boundary EPZ; all four are expected to meet the dose criteria for a 2-mile
Dr. M.L. Corradini 2 EPZ. To clarify, although this is TVAs stated expectation, the NRC staff has not verified this conclusion because it is outside the scope of the ESP review. A combined license applicant that references the ESP will use the PEP EPZ size methodology with plant-specific information to determine the appropriate PEP EPZ size and emergency plan for the site. Any applicant referencing the ESP must also satisfy the permit conditions described in Section 13.3 of the SER.
The staff appreciates the thorough review of the ESP application for the CRN Site by the ACRS.
We look forward to future meetings with the ACRS.
Sincerely,
/RA/
Frederick D. Brown, Director Office of New Reactors Docket No.: 52-047 cc: Chairman Svinicki Commissioner Baran Commissioner Burns Commissioner Caputo Commissioner Wright SECY
ML19022A306 (Letter)
ML19011A019 (Package) *via e-mail NRO-002 OFFICE PM:NRO:DLSE LA:NRO:DLSE QTE BC:NRO:DLSE NAME MSutton* SGreen* JDoughtery* JRankin DATE 01/28/2019 01/22/2019 01/28/2019 01/30/2019 OFFICE OGC DD:NRO:DLSE D:NRO:DLSE D:NRO NAME MSpencer* (NLO) ABradford* RTaylor (ACampbell for) FBrown DATE 01/29/2019 01/31/20109 01/30/2019 02/04/2019 Clinch River Mailing List (Revised 11/20/2018) cc:
Mr. Brendan Hoffman Research Associate on Nuclear Energy Public Citizens Critical Mass Energy and Environmental Program 215 Pennsylvania Avenue, SE Washington, DC 20003 Carlos Sisco Senior Paralegal Winston & Strawn LLP 1700 K Street, NW Washington, DC 20006 Mr. Daniel P. Stout Senior Manager Tennessee Valley Authority Small Modular Reactors 1101 Market Street, LP 4B Chattanooga, TN 37402 Page 1 of 3
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