http://www.nrc.gov

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, 13th NUMUG Meeting, San Francisco, CA, Oct 21-23, 20092009

NRC Update 2009NRC Update 2009

New Reactor Licensing ActivitiesNew Reactor Licensing Activities

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PresentationPresentation TopicsTopics

NRC Mission

Ongoing Application Reviews

Updating Regulatory Guidance

Staff Feedback from Reviewing Combined License Applications

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NRC MissionNRC 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

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Early Site Permits (ESPs)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

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Design Certifications Design Certifications (DCs)(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.

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Combined Licenses (COLs)Combined Licenses (COLs)

Applications Currently Under Review ABWR Design Center Review

South Texas Project (TX) (2)

AP1000 Design Center Review Southern – Vogtle (GA) (2) TVA – Bellefonte (AL) (2) Duke - Lee Station (SC) (2) Progress Energy – Harris (NC) (2) South Carolina E&G - Summer (SC) (2) Progress Energy - Levy County (FL) (2) Florida Power & Light - Turkey Pt (FL) (2)

U.S. EPR Design Center Review Unistar - Calvert Cliffs (MD) (1) PPL Generation - Bell Bend (PA)(1) Unistar - Nine Mile Pt (NY) (1)

ESBWR Design Center Review Dominion - North Anna (VA) (1) DTE - Fermi (MI) (1)

US-APWR Design Center Review Luminant - Comanche Peak (TX) (2)

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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

Updating Regulatory Guidance (Completed)

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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)

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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”

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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”

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Updating Regulatory Guidance (Completed)

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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

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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”

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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”

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Tornado Intensity Regions for the Contiguous United Statesfor Exceedance Probabilities of 10-7 Per Year

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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”

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AP1000

Containment and

Shield Buildings

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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”

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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

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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

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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

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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

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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

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Conclusion

Thank You!

Questions?