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| {{#Wiki_filter:N R C R e g i o n I I I R e g u l a t o r y C o n f e r e n c e F e b r u a r y 2 5 , 2 0 1 3 L o s s o f 1 R-5 0 S h i e l d B u i l d i n g H i g h R a n g e V e n t G a s R a d i a t i o n M o n i t o r P r a i r i e I s l a n d N u c l e a r G e n e r a t i n g P l a n t P r a i r i e I s l a n d N u c l e a r G e n e r a t i n g P l a n t 2 A g e n d aO p e n i n g R e m a r k s -J i m L y n c h , S i t e V i c e P r e s i d e n tB a c k g r o u n d , S e q u e n c e o f E v e n t s , a n d C o m p e n s a t o r y M e a s u r e s -K e r r i e D e F u s c o , E m e r g e n c y P r e p a r e d n e s s M a n a g e rC l a s s i f i c a t i o n -S t e v e I n g a l l s , S h i f t M a n a g e rC o r r e c t i v e A c t i o n s -K e v i n D a v i s o n , D i r e c t o r S i t e O p e r a t i o n sR e g u l a t o r y S i g n i f i c a n c e -J o n A n d e r s o n , R e g u l a t o r y A f f a i r s M a n a g e rC o n c l u s i o n -J i m L y n c h , S i t e V i c e P r e s i d e n t 3 O p e n i n g R e m a r k sV i o l a t i o nR e s p o n s e t o t h e l o s s o f 1 R-5 0 S h i e l d B u i l d i n g H i g h R a n g e V e n t G a s R a d i a t i o n D e t e c t o r f a i l e d t o r e s t o r e t h e c a p a b i l i t y o f t h e d e t e c t o r t o c l a s s i f y e m e r g e n c y a c t i o n l e v e l s , R G 1.1 , G e n e r a l E m e r g e n c y , a n d R S 1.1 , S i t e A r e a E m e r g e n c yA g r e e w i t h t h e p e r f o r m a n c e d e f i c i e n c y D i s a g r e e w i t h t h e s i g n i f i c a n c e 4 B a c k g r o u n d , S e q u e n c e o f E v e n t s , a n d C o m p e n s a t o r y M e a s u r e s K e r r i e D e F u s c o E m e r g e n c y P r e p a r e d n e s s M a n a g e r 5 B a c k g r o u n dA p p l i c a b l e I n i t i a t i n g C o n d i t i o n sR S 1-O f f s i t e D o s e R e s u l t i n g f r o m a n A c t u a l o r I m m i n e n t R e l e a s e o f G a s e o u s R a d i o a c t i v i t y E x c e e d s 1 0 0 m R e m T E D E o r 5 0 0 m R e m T h y r o i d C D E f o r t h e A c t u a l o r P r o j e c t e d D u r a t i o n o f t h e R e l e a s e.R G 1-O f f s i t e D o s e R e s u l t i n g f r o m a n A c t u a l o r I m m i n e n t R e l e a s e o f G a s e o u s R a d i o a c t i v i t y E x c e e d s 1 0 0 0 m R e m T E D E o r 5 0 0 0 m R e m T h y r o i d C D E f o r t h e A c t u a l o r P r o j e c t e d D u r a t i o n o f t h e R e l e a s e U s i n g A c t u a l M e t e o r o l o g y. | | {{#Wiki_filter:Prairie Island Nuclear Generating Plant NRC Region III Regulatory Conference February 25, 2013 Loss of 1R-50 Shield Building High Range Vent Gas Radiation Monitor |
| 6 S h i e l d B u i l d i n g S t a c k E f f l u e n t R e l e a s e F l o w P a t h s U 1 S h i e l d B l d g S t a c k 1 R-2 2 L o w r a n g e U n i t 1 C o n t a i n m e n t (s i n g l e t r a i n r a n g e)1 R-5 0 H i r a n g e A l a r m S A E G E 7 0 m R/h r 4 , 3 0 0 m R/h r 4 3 , 0 0 0 m R/h r A l a r m N U E A L E R T 8 0 0 c p m 1 , 6 0 0 c p m 1 6 0 , 0 0 0 c p m N U E = N o t i c e o f U n u s u a l E v e n t A L E R T = A l e r t S A E = S i t e A r e a E m e r g e n c y G E = G e n e r a l E m e r g e n c y E R O A c t i v a t e d 7 S e q u e n c e o f E v e n t s7/2 4/2 0 1 1 , 1 R-5 0 S h i e l d B u i l d i n g H i g h R a n g e V e n t G a s R a d i a t i o n D e t e c t o r o u t o f s e r v i c e7/2 4/2 0 1 1 , C o m p e n s a t o r y m e a s u r e s i m p l e m e n t e d2/1 7/2 0 1 2 , C o r r e c t i v e A c t i o n d o c u m e n t q u e s t i o n e d e x t e n d e d 1 R-5 0 o u t o f s e r v i c e t i m e5/1 7/2 0 1 2 , P l a n t m a n a g e m e n t r e c o g n i z e d 1 R-5 0 r e p a i r s w e r e n o t t i m e l y5/1 8/2 0 1 2 , 1 R-5 0 r e t u r n e d t o s e r v i c e 8 C o m p e n s a t o r y M e a s u r e sM o n i t o r 1 R-2 21 R-2 2 M e a s u r e s V e n t S t a c k R e l e a s e sS e r v e s a s a n E a r l y W a r n i n gA c t i v a t e s t h e E m e r g e n c y R e s p o n s e O r g a n i z a t i o n 9 C o m p e n s a t o r y M e a s u r e s1 R-5 0 D o s e R a t e O b t a i n D o s e R a t e o f S a m p l e C h a m b e rC o n v e r t D o s e R a t e t o X e n o n C o n c e n t r a t i o nD o s e A s s e s s m e n tP r o c e d u r e s a n d T r a i n i n g w e r e P l a c e 1 0 C o m p e n s a t o r y M e a s u r e s O b t a i n i n g D o s e R a t e 1 R-5 0 S a m p l e C h a m b e r 1 1 S e q u e n c e o f E v e n t sM i s s e d O p p o r t u n i t i e s/L e a r n i n gT i m e l i n e s sP r i o r i t yA d v o c a c y 1 2 C l a s s i f i c a t i o n S t e v e I n g a l l s S h i f t M a n a g e r 1 3 3 2 0 1 E+1 4 3 , 0 0 0 = G E 3 2 , 0 0 0 1 E+3 4 , 3 0 0 = S A E 3 , 2 0 0 1 E+2 3 2 5 0 0 , 0 0 0 1 E 0 1 6 0 , 0 0 0 = A L E R T; E R O A c t i v a t e d 3.2 6 0 , 0 0 0 1 E-1 0.3 2 8 , 5 0 0 1 E-2 1 6 0 0 = N U E 1 , 1 0 0 1 E-3 2 0 0 1 E-4 1 R-5 0 (m R/h)1 R-2 2 (c p m)X e-1 3 3 (u C i/c c)C l a s s i f i c a t i o n 1 4 C l a s s i f i c a t i o nD i v e r s e M e t h o d s A v a i l a b l e f o r C l a s s i f i c a t i o nC o m p e n s a t o r y M e a s u r e sF i s s i o n P r o d u c t B a r r i e rD o s e A s s e s s m e n t 1 5 C o r r e c t i v e A c t i o n K e v i n D a v i s o n D i r e c t o r S i t e O p e r a t i o n s 1 6 C o r r e c t i v e A c t i o nB e h a v i o r s -A d v o c a c yP r o c e s s -W o r k M a n a g e m e n t I m p r o v e m e n t s 1 7 C o r r e c t i v e A c t i o nE m e r g e n c y P l a n n i n g E q u i p m e n tE P E q u i p m e n t S i n g l e T r a i n E P E q u i p m e n t R e d u n d a n t T r a i n s 1 8 R e g u l a t o r y S i g n i f i c a n c e J o n A n d e r s o n R e g u l a t o r y A f f a i r s M a n a g e r 1 9 R e g u l a t o r y S i g n i f i c a n c e1 0 C F R 5 0.4 7 (b)(4), E m e r g e n c y C l a s s i f i c a t i o n S y s t e m 1 0 C F R 5 0.4 7 (b)(8), E m e r g e n c y F a c i l i t i e s a n d E q u i p m e n t 2 0 R e g u l a t o r y S i g n i f i c a n c e Y e s F i s s i o n P r o d u c t B a r r i e r Y e s (i f E R O A c t i v a t e d)D o s e A s s e s s m e n t (C o n t a i n m e n t M o n i t o r s)Y e s (i f E R O A c t i v a t e d)D o s e R a t e 1 R-5 0 (C o m p e n s a t o r y M e a s u r e)<1 5 m i n u t e s C l a s s i f i c a t i o n M e t h o d 2 1 C l a s s i f i c a t i o n1 0 C F R 5 0.4 7 (b)(4), E m e r g e n c y C l a s s i f i c a t i o n S y s t e m S i t e A r e a a n d G e n e r a l E m e r g e n c y c o u l d b e c l a s s i f i e d w i t h i n 1 5 m i n u t e s t h e r e f o r e t h e f i n d i n g s h o u l d b e G R E E N.
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| 2 2 R e g u l a t o r y S i g n i f i c a n c e G r e e n -L i c e n s e e I d e n t i f i e d 1 0 C F R 5 0.4 7 (b)(8)R e a c t o r B u i l d i n g H i g h R a n g e E x h a u s t m o n i t o r w a s u n a v a i l a b l e 3 8 o f 1 4 9 m o n t h s a n d c o r r e c t i v e a c t i o n s w e r e i n e f f e c t i v e i n r e s t o r i n g t h e a v a i l a b i l i t y a n d r e l i a b i l i t y o f t h e m o n i t o r W h i t e 1 0 C F R 5 0.4 7 (b)(9)I n a c c u r a t e m e t h o d s f o r a s s e s s i n g t h e o f f s i t e c o n s e q u e n c e s o f a r a d i o l o g i c a l r e l e a s e W h i t e 1 0 C F R 5 0.4 7 (b)(4)E f f l u e n t M o n i t o r C l a s s i f i c a t i o n T h r e s h o l d s S i g n i f i c a n c e S t a n d a r d I s s u e P r e c e d e n c e 2 3 R e g u l a t o r y S i g n i f i c a n c e1 0 C F R 5 0.4 7 (b)(8), E m e r g e n c y F a c i l i t i e s a n d E q u i p m e n t1 R-5 0 C o m p e n s a t o r y m e a s u r e s w e r e i m p l e m e n t e d i m m e d i a t e l y; t h e r e f o r e t h e f i n d i n g s h o u l d b e G R E E N.
| | Agenda Opening Remarks - Jim Lynch, Site Vice President Background, Sequence of Events, and Compensatory Measures - Kerrie DeFusco, Emergency Preparedness Manager Classification - Steve Ingalls, Shift Manager Corrective Actions - Kevin Davison, Director Site Operations Regulatory Significance - Jon Anderson, Regulatory Affairs Manager Conclusion - Jim Lynch, Site Vice President 2 |
| 2 4 2 4 C l o s i n g R e m a r k s J i m L y n c h S i t e V i c e P r e s i d e n t 2 5 C l o s i n g R e m a r k sE P E q u i p m e n t A d v o c a c yC l a s s i f i c a t i o nC o m p e n s a t o r y M e a s u r e sC o n s i s t e n t E n f o r c e m e n t 2 6}}
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| | Opening Remarks Violation Response to the loss of 1R-50 Shield Building High Range Vent Gas Radiation Detector failed to restore the capability of the detector to classify emergency action levels, RG1.1, General Emergency, and RS1.1, Site Area Emergency Agree with the performance deficiency Disagree with the significance 3 |
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| | Background, Sequence of Events, and Compensatory Measures Kerrie DeFusco Emergency Preparedness Manager 4 |
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| | === |
| | Background=== |
| | Applicable Initiating Conditions RS1 - Offsite Dose Resulting from an Actual or Imminent Release of Gaseous Radioactivity Exceeds 100 mRem TEDE or 500 mRem Thyroid CDE for the Actual or Projected Duration of the Release. |
| | RG1 - Offsite Dose Resulting from an Actual or Imminent Release of Gaseous Radioactivity Exceeds 1000 mRem TEDE or 5000 mRem Thyroid CDE for the Actual or Projected Duration of the Release Using Actual Meteorology. |
| | 5 |
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| | Shield Building Stack Effluent Release Flow Paths NUE = Notice of Unusual Event ALERT = Alert SAE = Site Area Emergency U1 Shield Bldg Stack GE = General Emergency 1R-50 Alarm SAE GE 70 mR/hr 4,300 mR/hr 43,000 mR/hr Hi range Unit 1 Containment (single train range) 1R-22 Alarm NUE ALERT Low range 800 cpm 1,600 cpm 160,000 cpm ERO Activated 6 |
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| | Sequence of Events 7/24/2011, 1R-50 Shield Building High Range Vent Gas Radiation Detector out of service 7/24/2011, Compensatory measures implemented 2/17/2012, Corrective Action document questioned extended 1R-50 out of service time 5/17/2012, Plant management recognized 1R-50 repairs were not timely 5/18/2012, 1R-50 returned to service 7 |
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| | Compensatory Measures Monitor 1R-22 1R-22 Measures Vent Stack Releases Serves as an Early Warning Activates the Emergency Response Organization 8 |
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| | Compensatory Measures 1R-50 Dose Rate Obtain Dose Rate of Sample Chamber Convert Dose Rate to Xenon Concentration Dose Assessment Procedures and Training were Place 9 |
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| | Compensatory Measures Obtaining Dose Rate 1R-50 Sample Chamber 10 |
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| | Sequence of Events Missed Opportunities/Learning Timeliness Priority Advocacy 11 |
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| | Classification Steve Ingalls Shift Manager 12 |
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| | Classification Xe-133 (uCi/cc) 1R-22 (cpm) 1R-50 (mR/h) 1E-4 200 1E-3 1,100 1600 = NUE 1E-2 8,500 0.32 1E-1 60,000 3.2 160,000 = ALERT; ERO Activated 1E0 500,000 32 1E+1 320 1E+2 3,200 4,300 = SAE 1E+3 32,000 43,000 = GE 13 |
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| | Classification Diverse Methods Available for Classification Compensatory Measures Fission Product Barrier Dose Assessment 14 |
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| | Corrective Action Kevin Davison Director Site Operations 15 |
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| | Corrective Action Behaviors - Advocacy Process - Work Management Improvements 16 |
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| | Corrective Action Emergency Planning Equipment EP Equipment Single Train EP Equipment Redundant Trains 17 |
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| | Regulatory Significance Jon Anderson Regulatory Affairs Manager 18 |
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| | Regulatory Significance 10 CFR 50.47(b)(4), Emergency Classification System 10 CFR 50.47(b)(8), Emergency Facilities and Equipment 19 |
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| | Regulatory Significance Classification Method <15 minutes Fission Product Barrier Yes Dose Rate 1R-50 Yes (if ERO Activated) |
| | (Compensatory Measure) |
| | Dose Assessment Yes (if ERO Activated) |
| | (Containment Monitors) 20 |
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| | Classification 10 CFR 50.47(b)(4), Emergency Classification System Site Area and General Emergency could be classified within 15 minutes therefore the finding should be GREEN. |
| | 21 |
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| | Regulatory Significance Precedence Issue Standard Significance Effluent Monitor Classification Thresholds 10 CFR 50.47(b)(4) White Inaccurate methods for assessing the 10 CFR 50.47(b)(9) White offsite consequences of a radiological release Reactor Building High Range 10 CFR 50.47(b)(8) Green - Licensee Identified Exhaust monitor was unavailable 38 of 149 months and corrective actions were ineffective in restoring the availability and reliability of the monitor 22 |
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| | Regulatory Significance 10 CFR 50.47(b)(8), Emergency Facilities and Equipment 1R-50 Compensatory measures were implemented immediately; therefore the finding should be GREEN. |
| | 23 |
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| | Closing Remarks Jim Lynch Site Vice President 24 |
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| | Closing Remarks EP Equipment Advocacy Classification Compensatory Measures Consistent Enforcement 25 |
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| | 26}} |
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Category:Meeting Agenda
MONTHYEARPMNS20240269, Notice of Meeting with Northern States Power Company - Minnesota, Doing Business as Xcel Energy2024-02-26026 February 2024 Notice of Meeting with Northern States Power Company - Minnesota, Doing Business as Xcel Energy ML24029A0382024-01-31031 January 2024 January 31, 2024, Pre-application Meeting Presentation - Prairie Island ISFSI License Amendment Request to Add Grace to License Conditions ML24008A0132024-01-0808 January 2024 Notice of Public Meeting with Xcel Energy to Discuss the Prairie Island ISFSI Amendment ML23159A2542023-06-0808 June 2023 Pre-application Meeting with Xcel Energy to Discuss the Amendment Application for the Prairie Island ISFSI PMNS20230663, Notice of Meeting with Northern States Power Company, Doing Business as Xcel Energy2023-06-0202 June 2023 Notice of Meeting with Northern States Power Company, Doing Business as Xcel Energy ML23102A1752023-04-14014 April 2023 April 14, 2023 TS 3.7.8 LAR Pre-Submittal Meeting Slides PMNS20230262, Notice of Meeting with Northern States Power Company, Doing Business as Xcel Energy2023-04-12012 April 2023 Notice of Meeting with Northern States Power Company, Doing Business as Xcel Energy PMNS20220096, Pre-Application Meeting with Xcel Energy to Discuss Pressure-Temperature Limit Report Amendment for Prairie Island Nuclear Generating Plant, Units 1 and 2 (Prairie Island)2022-02-0707 February 2022 Pre-Application Meeting with Xcel Energy to Discuss Pressure-Temperature Limit Report Amendment for Prairie Island Nuclear Generating Plant, Units 1 and 2 (Prairie Island) PMNS20211339, Meeting with Northern States Power Company Regarding Prairie Island Nuclear Generating Plant, Units 1 and 2, License Amendment Request Related to the Cooling Water System2021-10-15015 October 2021 Meeting with Northern States Power Company Regarding Prairie Island Nuclear Generating Plant, Units 1 and 2, License Amendment Request Related to the Cooling Water System ML21221A0202021-08-11011 August 2021 Nis Pr Bypass Test Panel License Amendment Request PMNS20210949, Meeting with Northern States Power Company Regarding Prairie Island Nuclear Generating Plant, Units 1 and 2, Proposed License Amendment Request2021-07-21021 July 2021 Meeting with Northern States Power Company Regarding Prairie Island Nuclear Generating Plant, Units 1 and 2, Proposed License Amendment Request PMNS20210528, Meeting with Northern States Power Company Regarding Prairie Island Nuclear Generating Plant, Units 1 and 2, Proposed License Amendment Request2021-05-0505 May 2021 Meeting with Northern States Power Company Regarding Prairie Island Nuclear Generating Plant, Units 1 and 2, Proposed License Amendment Request ML21022A0082021-01-22022 January 2021 Teleconference with Xcel Energy to Discuss a Planned License Amendment Request for Monticello Nuclear Generating Plant (Monticello) and Prairie Island Nuclear Generating Plant, Units 1 and 2 (Prairie Island) ML20280A6092020-10-0606 October 2020 Teleconference to Discuss the Prairie Island Nuclear Generating Plant, Units 1 and 2, (Prairie Island) License Amendment Request to Adopt TSTF-505 Provide Risk-Informed Extended Completion Times RITSTF Initiative 4b ML19347B0722019-12-12012 December 2019 TVA and Xcel Energy Slides for Joint Presubmittal Meeting to License Amendment Requests to Adopt WCAP-17661, Revision 1 ML19268A0422019-09-26026 September 2019 Pre-Application Meeting License Amendment Request Revise Technical Specifications to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - RITSTF Initiative 4b ML19070A2412019-03-11011 March 2019 Notice of Meeting with Xcel Energy to Discuss a Seismic Considerations for a Proposed License Amendment Increasing the Amount of Special Nuclear Material Authorized for Storage at the Prairie Island ISFSI ML19074A1312019-03-11011 March 2019 Revised Notice of Meeting with Xcel Energy to Discuss a Seismic Considerations for a Proposed License Amendment Increasing the Amount of Special Nuclear Material Authorized for Storage at the Prairie Island ISFSI ML19045A6682019-02-14014 February 2019 Notice of Meeting with Xcel Energy to Discuss a Proposed License Amendment Increasing the Amount of Special Nuclear Material Authorized for Storage at the Prairie Island Independent Spent Fuel Storage Installation ML15183A3992015-07-0101 July 2015 Ltr. 07/01/15 Point Beach U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15183A3862015-07-0101 July 2015 Ltr. 07/01/15 Prairie Island U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15183A4842015-07-0101 July 2015 Ltr. 07/01/15 Davis-Besse U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15183A4792015-07-0101 July 2015 Ltr. 07/01/15 D.C. Cook U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting)(Drm) ML15183A4782015-07-0101 July 2015 Ltr. 07/01/15 Duane Arnold U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15183A4722015-07-0101 July 2015 Ltr. 07/01/2015 Fermi U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15183A4632015-07-0101 July 2015 Ltr. 07/01/15 Monticello U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15183A4452015-07-0101 July 2015 Ltr. 07/01/15 Perry U.S. Nuclear Regulatory Commission Region III 2015 Operator Licensing Workshop (Public Meeting) (Drm) ML15182A4412015-07-0101 July 2015 Notice and Agenda - 2015 Operator Licensing Workshop ML15114A0432015-04-23023 April 2015 PI 2014 PIR and EOC Meeting Notice ML14169A5862014-06-13013 June 2014 Operator License Workshop Invitation ML13056A0262013-02-25025 February 2013 Regulatory Conference Slide Presentation ML12326A9702012-11-21021 November 2012 Summary of October 24, 2012, Meeting with the Northern States Power Company, D/B/A Excel Energy Regarding Security Requirements and Changes Pertaining to Prairie Island TAC L24689 W/ Encl 1 (Attendees) and Encl 2 (Agenda) ML12318A0572012-11-13013 November 2012 12/6/2012 - Rescheduled Notice of Meeting with Xcel Energy Concerning Prairie Island Nuclear Generating Plant, Units 1 and 2 ML12306A3222012-11-0101 November 2012 Notice of Forthcoming Meeting with Xcel Energy Concerning Prairie Island Nuclear Generating Plant, Units 1 and 2 ML12249A2702012-09-11011 September 2012 Notice of Forthcoming Pre-Application Meeting with Xcel Energy, Inc. Concerning Prairie Island Nuclear Generating Plant ML12138A3312012-05-17017 May 2012 05/31/2012, Notice of Significant Licensee Meeting (non-public) Regarding Operator Licensing Workshop and Meeting ML1208703892012-03-30030 March 2012 Notice of Pre-Application Meeting with Xcel Energy Concerning Prairie Island Nuclear Generating Plant, Units 1 and 2, to Discuss Licensee'S Proposed NFPA 805, Performance Based Standard for Fire Protection for Light Weight Reactor ... ML1122803892011-08-18018 August 2011 Pre-Application Meeting for Prairie Island Nuclear Generating Plant (Ping) Extended Power Uprate (EPU) ML1121505252011-08-0404 August 2011 Notice of Forthcoming Pre-Application Meeting with Licensee for Prairie Island Nuclear Generating Plant, Units 1 and 2 to Discuss Extended Power Uprate License Amendment Request ML1119903462011-07-28028 July 2011 Meeting Presentation, Prairie Island Nuclear Generating Plant - Failure to Maintain the Train a and B Direct Current Electrical Power Subsystems Operable ML1113703982011-05-20020 May 2011 Notice of Forthcoming Pre-Application Meeting with Licensee for Prairie Island Nuclear Generation Plant, Units 1 and 2, to Discuss Proposed Technical Specification and Licensing Basis Changes to Diesel Fuel Oil System ML1104702792011-02-16016 February 2011 Notice of Forthcoming Meeting with Licensee for Prairie Island Nuclear Generating Plant, Unit 1 to Discuss License Amendment Request to Revise Surveillance Requirement Footnote in Technical Specification 3.8.1, AC Sources - Operating. ML1100502702011-01-0505 January 2011 Notice of Closed Pre-Application Meeting NSPM Staff to Discuss Proposed Physical Security Plan Changes That Will Be Submitted for NRC Review and Approval Via License Amendment Request ML1032603272010-11-24024 November 2010 Notice of Pre-Application Meeting with Licensee for Prairie Island Nuclear Generating Plant, Units 1 and 2 to Discuss Spent Fuel Pool Criticality and Extended Power Uprate ML1023805712010-08-25025 August 2010 Meeting Presentation Alternative Source Term Steam Generator Tube Rupture Margin to Overfill Evaluation - Prairie Island Nuclear Generating Plant ML1022200872010-08-10010 August 2010 Forthcoming Meeting with Northern States Power Company - Minnesota (Nspm), to Discuss the Prairie Island Nuclear Generating Plant Steam Generator Margin-to-Overfill Analysis as It Relates to Pingp'S License Amendment Request to Adopt... ML1009707112010-04-0808 April 2010 Revised Notice of Pre-Application Meeting with Licensee for Prairie Island Nuclear Generating Plant, Units 1 and 2 to Discuss Extended Power Uprate License Amendment Request ML1008205732010-03-26026 March 2010 Notice of Forthcoming Pre-Application Meeting with Licensee for Prairie Island Nuclear Generating Plant, Units 1 and 2 to Discuss Extended Power Uprate License Amendment Request ML0932901282009-12-0101 December 2009 Licensee Slides for Public Meeting ML0933102842009-12-0101 December 2009 Notice of Meeting with Prairie Island to Address Substantive Cross-Cutting Issues in the Area of Human Performance - Slides 2024-02-26
[Table view] Category:Meeting Briefing Package/Handouts
MONTHYEARML24127A2402024-05-0707 May 2024 Presentation Slides for Prairie Island 2023 End-of-Cycle Meeting ML24029A0382024-01-31031 January 2024 January 31, 2024, Pre-application Meeting Presentation - Prairie Island ISFSI License Amendment Request to Add Grace to License Conditions ML23168A0032023-06-20020 June 2023 Handout for 6/23/2023 Pre-Application Public Meeting with Prairie Island Nuclear Generating Plant to Revise ISFSI TS 4.4 for TN-40HT Casks ML23156A2602023-06-0505 June 2023 2022 Prairie Island End-of-Cycle Meeting Presentation ML23102A1752023-04-14014 April 2023 April 14, 2023 TS 3.7.8 LAR Pre-Submittal Meeting Slides ML22130A5852022-05-10010 May 2022 2021 Monticello and Prairie Island Nuclear Generating Plant End-of-Cycle Meeting Presentation ML22048B1812022-02-18018 February 2022 Pre-Application Meeting for Prairie Island TS 5.6.6, PTLR, LAR ML21221A0202021-08-11011 August 2021 Nis Pr Bypass Test Panel License Amendment Request ML21166A3792021-06-15015 June 2021 Units 1 and 2 2020 End-of-Cycle Meeting Presentation ML21032A2632021-02-0303 February 2021 Slides for Public Meeting with Xcel Energy to Discuss a Planned Amendment to Combine the Emergency Plans and Create a Common Emergency Offsite Facility for Monticello and Prairie Island ML19347B0722019-12-12012 December 2019 TVA and Xcel Energy Slides for Joint Presubmittal Meeting to License Amendment Requests to Adopt WCAP-17661, Revision 1 ML19268A0422019-09-26026 September 2019 Pre-Application Meeting License Amendment Request Revise Technical Specifications to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - RITSTF Initiative 4b ML19210D4512019-07-22022 July 2019 Abeyance Seal Preapplication Meeting Slides ML18051A1752018-02-20020 February 2018 Pre-Application Meeting License Amendment for TSTF-425 Relocation of Specific Surveillance Frequency Requirements to a Licensee Controlled Program Xcel Energy 2/20/2018 ML17240A3382017-08-30030 August 2017 Non-Safety Related Digital Feedwater and Amsac/Dss Control Systems Replacement Project Presentation ML17198A2632017-07-17017 July 2017 Pre-Application Meeting ML17066A3732017-03-0909 March 2017 Spent Fuel Pool Criticality Technical Specification Changes Round 2 Request for Additional Information Public Meeting: March 9, 2017 ML17037D1172017-02-0707 February 2017 License Amendment Requests for Change in Emergency Plan Staff Augmentation Response Times Pre-Submittal Meeting for Prairie Island Nuclear Generating Plant Monticello Nuclear Generating Plant: February 7, 2017 ML17023A0652017-01-24024 January 2017 Pre-Submittal Call Regarding License Amendment Requests for Prairie Island Nuclear Generating Plant, Units 1 and 2 and Monticello Nuclear Generating Plant Emergency Action Level Scheme Changes ML15140A3342015-05-13013 May 2015 Public Meeting 05132015 Licensee Slides Only ML15105A0372015-04-14014 April 2015 Xcel Energy Slide Presentation to Support Pre-Application Meeting on April 14, 2015, to Discuss Nuclear Fuel Design Transition to Include Integral Fuel Burnable Absorber (Ifba) at the Prairie Island Nuclear Generating Plant ML14323B0222014-11-19019 November 2014 Regcon, November 19-20, 2014: 03-Info-Session-2 Ronald Johnson - Tribal Perspective on Continued Storage ML14153A0242014-05-16016 May 2014 Xcel Energy'S Presentation Slides Supporting a May 16, 2014, Public Meeting to Discuss the Flood Hazard Reevaluation Schedule for the Monticello and Prairie Island Nuclear Generating Plants ML14058A1732014-02-19019 February 2014 Diesel Generator Steady State Voltage and Frequency Limits - Prairie Island Nuclear Generating Plant Meeting February 19, 2014 ML13210A2012013-07-29029 July 2013 2012 End-of-Cycle Slides - Licensee ML13210A2002013-07-11011 July 2013 2012 End-of-Cycle Slides ML13056A0262013-02-25025 February 2013 Regulatory Conference Slide Presentation ML12340A5402012-12-0606 December 2012 Reactor Core Cooling & Heat Removal FLEX Strategy - Phase 1 ML12326A9712012-11-21021 November 2012 Encl 3 (Handouts - Public) to Summary of October 24, 2012, Meeting with the Northern States Power Company, D/B/A Excel Energy Regarding Security Requirements and Changes Pertaining to Prairie Island TAC L24689 ML12277A1762012-10-0404 October 2012 Steam Generator Replacement Presentation ML12275A4652012-09-27027 September 2012 Meeting September 27, 2012 - Handouts ML12275A3782012-09-27027 September 2012 Xcel Energy Prairie Island Nuclear Generating Plant Meeting Presentation, Diesel Generator Voltage and Frequency Limits. ML12205A2172012-07-23023 July 2012 NRC 2011 End-of-Cycle Slides ML12205A2202012-07-17017 July 2012 Licensee 2012 End-of-Cycle Slides ML12115A3112012-04-24024 April 2012 Meeting Slides: 04/24/2012 Meeting with Xcel Energy NFPA 805 Presubmittal - Prairie Island Nuclear Generating Plant ML1207904792012-03-14014 March 2012 March 14, 2012 Telecon Slides ML1122803892011-08-18018 August 2011 Pre-Application Meeting for Prairie Island Nuclear Generating Plant (Ping) Extended Power Uprate (EPU) ML1119903462011-07-28028 July 2011 Meeting Presentation, Prairie Island Nuclear Generating Plant - Failure to Maintain the Train a and B Direct Current Electrical Power Subsystems Operable ML1117804242011-06-22022 June 2011 June 22, 2011, Meeting Handout #1 - NRC Meeting Diesel Fuel Oil LAR for Prairie Island Ngp ML1120701572011-06-22022 June 2011 June 22, 2011, Meeting Handout #2 - Proposed Technical Specification Changes for Prairie Island Ngp Diesel Fuel Oil LAR ML1106600792011-03-0303 March 2011 March 3, 2011 Meeting Handouts - Revise Footnote in TS 3.8.1, Prairie Island Nuclear Generating Plant ML1034701142010-12-14014 December 2010 Excel Energy Slides for Public Meeting 12/14/2010 to Discuss Human Performance Issues ML1027802642010-10-0404 October 2010 Session 4 - Heather Westra Presentation at October 4, 2010, Public Meeting on Groundwater Protection ML1023805712010-08-25025 August 2010 Meeting Presentation Alternative Source Term Steam Generator Tube Rupture Margin to Overfill Evaluation - Prairie Island Nuclear Generating Plant ML1014502432010-05-26026 May 2010 Responses to Questions from the Prairie Island Indian Community Concerning Issues Related to Prairie Island Nuclear Generating Plant ML1012604192010-05-20020 May 2010 Meeting Presentation Prairie Island Annual Assessment Meeting - Reactor Oversight Program - 2009 ML1012503422010-05-0505 May 2010 Regulatory Conference Slides ML1015801072010-04-28028 April 2010 2R26 Outage, SG Tube Inspection Telecon Slides ML1010604782010-04-15015 April 2010 April 15, 2010, Meeting Slides - Pre-Application Meeting for Prairie Island Ngp Extended Power Uprate ML0932901282009-12-0101 December 2009 Licensee Slides for Public Meeting 2024-05-07
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MONTHYEARML24127A2402024-05-0707 May 2024 Presentation Slides for Prairie Island 2023 End-of-Cycle Meeting ML24059A4042024-03-0606 March 2024 March 6, 2023, Presubmittal Meeting for License Amendment Request to Modify Technical Specifications Definitions & Approve Plant-Specific Methods for Response Time Testing (EPID L-2024-LRM-0034) - Slides ML24029A0382024-01-31031 January 2024 January 31, 2024, Pre-application Meeting Presentation - Prairie Island ISFSI License Amendment Request to Add Grace to License Conditions ML23168A0032023-06-20020 June 2023 Handout for 6/23/2023 Pre-Application Public Meeting with Prairie Island Nuclear Generating Plant to Revise ISFSI TS 4.4 for TN-40HT Casks ML23156A2602023-06-0505 June 2023 2022 Prairie Island End-of-Cycle Meeting Presentation ML23102A1752023-04-14014 April 2023 April 14, 2023 TS 3.7.8 LAR Pre-Submittal Meeting Slides ML22130A5852022-05-10010 May 2022 2021 Monticello and Prairie Island Nuclear Generating Plant End-of-Cycle Meeting Presentation ML22048B1812022-02-18018 February 2022 Pre-Application Meeting for Prairie Island TS 5.6.6, PTLR, LAR ML21166A3792021-06-15015 June 2021 Units 1 and 2 2020 End-of-Cycle Meeting Presentation ML21124A0652021-05-0606 May 2021 Xcel Energy Presentation for May 6, 2021 Public Meeting to Discuss 24-Month Cycles at Prairie Island Nuclear Generating Plant, Units 1 and 2 ML21032A2632021-02-0303 February 2021 Slides for Public Meeting with Xcel Energy to Discuss a Planned Amendment to Combine the Emergency Plans and Create a Common Emergency Offsite Facility for Monticello and Prairie Island ML20266F1052020-09-23023 September 2020 (PINGP) COVID-19 Exemption Request for the 2020 Biennial Emergency Preparedness Exercise ML20212L8622020-07-29029 July 2020 2019 Monticello and Prairie Island EOC Presentation from Webinar ML20098F0682020-04-0909 April 2020 Preapplication Teleconference Presentation: License Amendment Request to Adopt TSTF-569 ML20057D3082020-02-18018 February 2020 Slides Potential License Amendment to Remove Note from LCO 3.4.12 and LCO 3.4.13 ML19268A0422019-09-26026 September 2019 Pre-Application Meeting License Amendment Request Revise Technical Specifications to Adopt Risk Informed Completion Times TSTF-505, Revision 2, Provide Risk-Informed Extended Completion Times - RITSTF Initiative 4b ML19210D4512019-07-22022 July 2019 Abeyance Seal Preapplication Meeting Slides ML19071A2782019-03-0707 March 2019 Enclosure 3: Meeting Slides (Summary of February 28, 2019, Public Meeting with Xcel Energy to Discuss Increasing the Amount of Special Nuclear Material Authorized for Storage at the Prairie Island ISFSI (W/Enclosures 1 and 2)) ML18162A0262018-06-12012 June 2018 License Amendment Request to Reclassify Certain Fuel Handling Equipment ML18051A1752018-02-20020 February 2018 Pre-Application Meeting License Amendment for TSTF-425 Relocation of Specific Surveillance Frequency Requirements to a Licensee Controlled Program Xcel Energy 2/20/2018 ML17240A3382017-08-30030 August 2017 Non-Safety Related Digital Feedwater and Amsac/Dss Control Systems Replacement Project Presentation ML17209A1192017-07-17017 July 2017 Summary of July 17, 2017, Meeting with Northern States Power Company, Doing Business as Xcel Energy, on Potential License Amendment Request Related to Heavy Lifting Devices ML17198A2632017-07-17017 July 2017 Pre-Application Meeting ML17066A3732017-03-0909 March 2017 Spent Fuel Pool Criticality Technical Specification Changes Round 2 Request for Additional Information Public Meeting: March 9, 2017 ML17037D1172017-02-0707 February 2017 License Amendment Requests for Change in Emergency Plan Staff Augmentation Response Times Pre-Submittal Meeting for Prairie Island Nuclear Generating Plant Monticello Nuclear Generating Plant: February 7, 2017 ML17023A0652017-01-24024 January 2017 Pre-Submittal Call Regarding License Amendment Requests for Prairie Island Nuclear Generating Plant, Units 1 and 2 and Monticello Nuclear Generating Plant Emergency Action Level Scheme Changes ML16280A0372016-09-29029 September 2016 Flood Hazard Reevaluation Report - Response to Requested Information (CAC Nos. 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ML12205A2172012-07-23023 July 2012 NRC 2011 End-of-Cycle Slides ML12205A2202012-07-17017 July 2012 Licensee 2012 End-of-Cycle Slides ML12115A3112012-04-24024 April 2012 Meeting Slides: 04/24/2012 Meeting with Xcel Energy NFPA 805 Presubmittal - Prairie Island Nuclear Generating Plant ML1207904792012-03-14014 March 2012 March 14, 2012 Telecon Slides ML1122803892011-08-18018 August 2011 Pre-Application Meeting for Prairie Island Nuclear Generating Plant (Ping) Extended Power Uprate (EPU) ML1119903462011-07-28028 July 2011 Meeting Presentation, Prairie Island Nuclear Generating Plant - Failure to Maintain the Train a and B Direct Current Electrical Power Subsystems Operable ML1117804242011-06-22022 June 2011 June 22, 2011, Meeting Handout #1 - NRC Meeting Diesel Fuel Oil LAR for Prairie Island Ngp 2024-05-07
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Prairie Island Nuclear Generating Plant NRC Region III Regulatory Conference February 25, 2013 Loss of 1R-50 Shield Building High Range Vent Gas Radiation Monitor
Agenda Opening Remarks - Jim Lynch, Site Vice President Background, Sequence of Events, and Compensatory Measures - Kerrie DeFusco, Emergency Preparedness Manager Classification - Steve Ingalls, Shift Manager Corrective Actions - Kevin Davison, Director Site Operations Regulatory Significance - Jon Anderson, Regulatory Affairs Manager Conclusion - Jim Lynch, Site Vice President 2
Opening Remarks Violation Response to the loss of 1R-50 Shield Building High Range Vent Gas Radiation Detector failed to restore the capability of the detector to classify emergency action levels, RG1.1, General Emergency, and RS1.1, Site Area Emergency Agree with the performance deficiency Disagree with the significance 3
Background, Sequence of Events, and Compensatory Measures Kerrie DeFusco Emergency Preparedness Manager 4
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Background===
Applicable Initiating Conditions RS1 - Offsite Dose Resulting from an Actual or Imminent Release of Gaseous Radioactivity Exceeds 100 mRem TEDE or 500 mRem Thyroid CDE for the Actual or Projected Duration of the Release.
RG1 - Offsite Dose Resulting from an Actual or Imminent Release of Gaseous Radioactivity Exceeds 1000 mRem TEDE or 5000 mRem Thyroid CDE for the Actual or Projected Duration of the Release Using Actual Meteorology.
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Shield Building Stack Effluent Release Flow Paths NUE = Notice of Unusual Event ALERT = Alert SAE = Site Area Emergency U1 Shield Bldg Stack GE = General Emergency 1R-50 Alarm SAE GE 70 mR/hr 4,300 mR/hr 43,000 mR/hr Hi range Unit 1 Containment (single train range) 1R-22 Alarm NUE ALERT Low range 800 cpm 1,600 cpm 160,000 cpm ERO Activated 6
Sequence of Events 7/24/2011, 1R-50 Shield Building High Range Vent Gas Radiation Detector out of service 7/24/2011, Compensatory measures implemented 2/17/2012, Corrective Action document questioned extended 1R-50 out of service time 5/17/2012, Plant management recognized 1R-50 repairs were not timely 5/18/2012, 1R-50 returned to service 7
Compensatory Measures Monitor 1R-22 1R-22 Measures Vent Stack Releases Serves as an Early Warning Activates the Emergency Response Organization 8
Compensatory Measures 1R-50 Dose Rate Obtain Dose Rate of Sample Chamber Convert Dose Rate to Xenon Concentration Dose Assessment Procedures and Training were Place 9
Compensatory Measures Obtaining Dose Rate 1R-50 Sample Chamber 10
Sequence of Events Missed Opportunities/Learning Timeliness Priority Advocacy 11
Classification Steve Ingalls Shift Manager 12
Classification Xe-133 (uCi/cc) 1R-22 (cpm) 1R-50 (mR/h) 1E-4 200 1E-3 1,100 1600 = NUE 1E-2 8,500 0.32 1E-1 60,000 3.2 160,000 = ALERT; ERO Activated 1E0 500,000 32 1E+1 320 1E+2 3,200 4,300 = SAE 1E+3 32,000 43,000 = GE 13
Classification Diverse Methods Available for Classification Compensatory Measures Fission Product Barrier Dose Assessment 14
Corrective Action Kevin Davison Director Site Operations 15
Corrective Action Behaviors - Advocacy Process - Work Management Improvements 16
Corrective Action Emergency Planning Equipment EP Equipment Single Train EP Equipment Redundant Trains 17
Regulatory Significance Jon Anderson Regulatory Affairs Manager 18
Regulatory Significance 10 CFR 50.47(b)(4), Emergency Classification System 10 CFR 50.47(b)(8), Emergency Facilities and Equipment 19
Regulatory Significance Classification Method <15 minutes Fission Product Barrier Yes Dose Rate 1R-50 Yes (if ERO Activated)
(Compensatory Measure)
Dose Assessment Yes (if ERO Activated)
(Containment Monitors) 20
Classification 10 CFR 50.47(b)(4), Emergency Classification System Site Area and General Emergency could be classified within 15 minutes therefore the finding should be GREEN.
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Regulatory Significance Precedence Issue Standard Significance Effluent Monitor Classification Thresholds 10 CFR 50.47(b)(4) White Inaccurate methods for assessing the 10 CFR 50.47(b)(9) White offsite consequences of a radiological release Reactor Building High Range 10 CFR 50.47(b)(8) Green - Licensee Identified Exhaust monitor was unavailable 38 of 149 months and corrective actions were ineffective in restoring the availability and reliability of the monitor 22
Regulatory Significance 10 CFR 50.47(b)(8), Emergency Facilities and Equipment 1R-50 Compensatory measures were implemented immediately; therefore the finding should be GREEN.
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Closing Remarks Jim Lynch Site Vice President 24
Closing Remarks EP Equipment Advocacy Classification Compensatory Measures Consistent Enforcement 25
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