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NRC Update 2009 New Reactor Licensing Activities

NRC Update 2009 New Reactor Licensing Activities. Brad Harvey, CCM Senior Physical Scientist (Meteorologist) Office of New Reactors U.S. Nuclear Regulatory Commission. 13th NUMUG Meeting, San Francisco, CA, Oct 21-23, 2009. Presentation Topics. NRC Mission Ongoing Application Reviews

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NRC Update 2009 New Reactor Licensing Activities

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  1. NRC Update 2009New Reactor Licensing Activities Brad Harvey, CCM Senior Physical Scientist (Meteorologist) Office of New Reactors U.S. Nuclear Regulatory Commission 13th NUMUG Meeting, San Francisco, CA, Oct 21-23, 2009

  2. PresentationTopics • NRC Mission • Ongoing Application Reviews • Updating Regulatory Guidance • Staff Feedback from Reviewing Combined License Applications

  3. NRC Mission To regulate the nation's civilian use of byproduct, source, and special nuclear materials to ensure adequate protection of public health and safety, to promote the common defense and security, and to protect the environment

  4. Early Site Permits (ESPs) • Issued • Exelon – Clinton (IL) • Entergy – Grand Gulf (MS) • Dominion – North Anna (VA) • Southern – Vogtle (GA) • Expected New Applications • Exelon – Victoria Cty (TX) • PSEG • Unannounced

  5. Design Certifications (DCs) • Issued • Advanced Boiling Water Reactor (ABWR) – General Electric • System 80+ – Westinghouse • Advanced Passive 600 (AP600) – Westinghouse • Advanced Passive 1000 (AP1000) – Westinghouse • Applications Currently Under Review • AP1000 Amendment – Westinghouse Electric Company • Economic Simplified Boiling-Water Reactor (ESBWR) – GE-Hitachi Nuclear Energy • U.S. Evolutionary Power Reactor (U.S. EPR) – AREVA Nuclear Power • U.S. Advanced Pressurized-Water Reactor (US-APWR) –Mitsubishi Heavy Industries, Ltd.

  6. Combined Licenses (COLs) Applications Currently Under Review

  7. Updating Regulatory Guidance (Completed) • Rev 0 to RG 1.206 (June 2006) • “Combined License Applications for Nuclear Power Plants” • C.I.2: Site Characteristics • C.III.1: Information Needed for a Combined License Application Referencing a Certified Design • C.III.1.2: Site Characteristics • C.III.2: Information Needed for a Combined License Application Referencing a Certified Design and an Early Site Permit • C.III.2.2: Site Characteristics

  8. Updating Regulatory Guidance (Completed) • NUREG-0800 (Standard Review Plan) (March 2007) • “Review of Safety Analysis Reports for Nuclear Power Plants” • 2.0: Site Characteristics and Site Parameters (Rev. 0) • 2.3.1: Regional Climatology (Rev. 3) • 2.3.2: Local Meteorology (Rev. 3) • 2.3.3: Onsite Meteorological Measurements Programs (Rev. 3) • 2.3.4: Short-Term Atmospheric Dispersion Estimates for Accident Releases (Rev. 3) • 2.3.5: Long-Term Atmospheric Dispersion Estimates for Routine Releases (Rev. 3)

  9. Updating Regulatory Guidance (Completed) • Rev 4 to RG 1.97 (June 2006) • “Criteria For Accident Monitoring Instrumentation For Nuclear Power Plants” • Rev 1 to RG 1.23 (March 2007) • “Meteorological Monitoring Programs for Nuclear Power Plants”

  10. Updating Regulatory Guidance (Completed) • Rev 2 to RG 1.76 (March 2007) • “Design-Basis Tornado and Tornado Missiles for Nuclear Power Plants” • Rev 2 to RG 1.21 (June 2009) • “Measuring, Evaluating, and Reporting Radioactive Material in Liquid and Gaseous Effluents and Solid Waste”

  11. Updating Regulatory Guidance (Completed)

  12. Updating Regulatory Guidance (Completed) • DC/COL-ISG-007 (July 2009) • “Assessment of Normal and Extreme Winter Precipitation Loads on the Roof of Seismic Category I Structures” • Normal Winter Precipitation Live Load Normal winter precipitation event • Extreme Winter Precipitation Live Load Normal winter precipitation event PLUS Extreme Frozen Winter Precipitation Event OR Extreme Liquid Winter Precipitation Event

  13. Updating Regulatory Guidance (Ongoing) • Rev 1 to RG 1.194 • “Atmospheric Relative Concentrations for Control Room Radiological Habitability Assessments at Nuclear Power Plants” • Rev 2 to RG 1.145 • “Atmospheric Dispersion Models for Potential Accident Consequence Assessments at Nuclear Power Plants”

  14. Updating Regulatory Guidance (Ongoing) • Rev 1 to RG 1.183 (DG-1199) • “Alternative Radiological Source Terms for Evaluating Design Basis Accidents at Nuclear Power Reactors” • Comments due December 11, 2009 • Rev 0 to DG-XXXX (New RG) • “Design-Basis Hurricane and Hurricane Missiles for Nuclear Power Plants”

  15. Tornado Intensity Regions for the Contiguous United States for Exceedance Probabilities of 10-7 Per Year

  16. Updating Regulatory Guidance (Planned) • Rev 3 to RG 1.27 • “Ultimate Heat Sink for Nuclear Power Plants” • Rev 2 to RG 1.78 • “Evaluating the Habitability of a Nuclear Power Plant Control Room During a Postulated Hazardous Chemical Release”

  17. AP1000 Containment and Shield Buildings

  18. Updating Regulatory Guidance (Planned) • Rev 2 to RG 1.91 • “Evaluations of Explosions Postulated to Occur on Transportation Routes Near Nuclear Power Plants” • Rev 2 to RG 1.111 • “Methods for Estimating Atmospheric Transport and Dispersion of Gaseous Effluents in Routine Releases from Light-Water-Cooled Reactors”

  19. Staff Feedback on COL Application Reviews SRP Section 2.3.1, Regional Meteorology • Establishing offsite data sources that are representative • Identifying NCDC climate division • Identifying normal and extreme snow loads • Using the NCDC local storm events database • 100-Yr MRI vs. historic extreme temperatures • Comparing site parameters and site characteristics

  20. Staff Feedback on COL Application Reviews SRP Section 2.3.2, Local Meteorology • Evaluating impact of cooling tower plumes and salt deposition on plant design and operation • Providing SACTI computer code inputs and outputs • Discussing consequences of EPA non-attainment status designation on plant design and operation

  21. Staff Feedback on COL Application Reviews SRP Section 2.3.3, Onsite Met Programs • Providing FSAR descriptions for both Preoperational and Operational monitoring programs • Identifying and justifying deviations from RG 1.23 • Evaluating impact of nearby trees and structures • Submitting “Edited” hourly data in RG 1.23 format • Comparing current onsite data with previous onsite data and available offsite data • Providing 2nd year of data for greenfield sites

  22. Staff Feedback on COL Application Reviews SRP Section 2.3.4, Short-Term Dispersion Estimates for Accident Releases • Justifying adequacy of dispersion models (e.g., terrain and water influences) • Describing dispersion modeling inputs and assumptions • Comparing site parameters and site characteristics

  23. Staff Feedback on COL Application Reviews SRP Section 2.3.5, Long-Term Dispersion Estimates for Routine Releases • Justifying adequacy of dispersion models out to 50 miles (e.g., terrain and water influences) • Describing dispersion modeling inputs and assumptions • Comparing site parameters and site characteristics

  24. Conclusion Thank You! Questions?

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