ML11178A068

06/23/11-Meeting Slides, Turkey Point Nuclear Plant, Units 3 and 4, Extended Power Uprate (Epu), NRC and FPL Public Meeting

ML11178A068
Person / Time
Site:	Turkey Point
Issue date:	06/23/2011
From:	Florida Power & Light Co
To:	Jason Paige Plant Licensing Branch II
Shared Package
ML11195A170	List: ML11178A067 ML11178A068 ML11195A152
References
TAC ME4907, TAC ME4908
Download: ML11178A068 (21)

Text

Opening Purpose EPU License Amendment Request (LAR) Review Summary Proposed Technical Specification Changes Mechanical and Civil Outstanding Questions Nuclear Performance and Code Review -Boron Precipitation Analysis Discussion Containment and Ventilation EPITOME Analysis Reactor Systems Branch Questions Questions Closing I=PL. 2 Turkey Point --Opening Appreciate the Staff's support and participation today Significant progress made to date FPL seeks clarification and understanding of remaining Staff questions Encourage open and active dialogue to address open items from the Staff's review a=pL. 3 Turkey Point --Review status of Requests for Additional Information (RAls) Discuss remaining questions and/or open items Discuss "to go" plan for final draft safety evaluation (SE) to Advisory Committee on Reactor Safeguards (ACRS) 8 I=PL. 4 EPU LAR Review 6 draft SEs are complete for the 17 branches 4 draft SEs are in branch concurrence Draft Environmental Assessment scheduled for 7/15/1 Focus today is to resolve any questions and/or open items remaining

-Technical Specifications

-Confirm no questions or comments on proposed Technical Specifications

-Mechanical and Civil Engineering

-Follow-up questions

-Nuclear Performance and Code -PHOENIX-P/ANC benchmarking and boron precipitation

-Containment and Ventilation

-EPITOME issue -Reactor Systems -outstanding RAls and RETRAN deck F=PL , 5

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e: +' ° ca U U-c tn (l)Q) tnc)0e: <0 -C Mechanical and Civil Engineering

• Received 6 follow-up RAls on 6/20/11 -Spent Fuel Pool Cooling and Component Cooling Water modification design information

-Normal containment cooler modification design information

-Containment penetration anchor margins -Use of actual material properties for reactor vessel supports -Allowable stresses for control rod drive mechanisms

-Steam Generator fluid steam mixture velocity information

• Clarification discussion today

• Preparing responses with a target of mid July 2011 I=PL. 7 Nuclear Performance and Code Providing additional information regarding PHOENIX-PlANe benchmarking

-Target early July Boric Acid Precipitation

-Status of NRC confirmatory analysis -Discuss and reach agreement on anticipated FPL actions based on lessons learned from the Point Beach EPU --Summarize conservatisms in the analysis --Provide additiona l discussion on operational considerations for small break LOCAs --Confirmation that charging pumps trip on safety injection

--Provide at least 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> of margin between lineup for hot leg injection and the onset of boron precipitation

--Other actions? FPL. 8 Nuclear Performance and Code Boric Acid Precipitation

s:: a u.. Cf) Injection Mode 1 RHR Pump , 2 HHSI Pumps / Injection Mode 2 HHSI Pumps.j 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and 10 minutes 1 Hot Leg Recircu ation Mode 2 HHSI Pumps 2 HHSI P umps Cold Leg Re d ,,"',,'oO Mode I.. *1 Time After LOCA H DelaY 1 LT -RWST Low Low Level z T l -RWST L ow Level To -Event Initiation Tl -15 minutes T-45 minutes z To-Event Initation T3 -5 hours , 30 minutes T. -6 hours, 40 minutes DelaYl -2 minutes (EPU) Delay T. -Incipient Boric Acid z l Precipitation Without Hot Leg Recirculation T 3 -HLSO Initiation Delay-3 minutes (EPU)z I=PL. 9 Containment and Ventilation

-Analysis EPITOME code error involves LOCA mass and energy release calculation Turkey Point containment analysis is impacted Plant operability has been addressed

• EPU LOCA and MSLB analyses performed

-EPITOME code error correction

-Range for containment free volume Technical specification change proposed to lower limit on normal operating containment pressure from 3 psig to. 1 psig -Include ITS improvement for administrative control of instrument air bleed I=PL Containment and Ventilation

-EPITOME Analysis

• Other changes -Modify the Emergency Containment Cooler (ECC) Start Logic to ensure 2 ECCs operate (new commitment)

-Reduce upper operating band on Tav9 from 3°F to 1.soF -Other input changes

• Draft Results 11 I=PL Containment and Ventilation

-EPITOME LOCA Draft Results ---Containment Pressure.

OEPS MINSI -----Containment Pressure, OEPS MINSI Rev i sed r--... (f) D.. "-/ :J D1 IJ) OJ 5{) .Q' 40 YJ n=20 . .... :. .. .//.-:\\ ... ... :........ :..... .. .:... ..... :.... .. . . *\ * \ .. .... .*....... .. :.. .. .... :.l.\... :... .... . : ...... .. : ........ : ...... . . * \ : \ \.....*.. : ... .... . : ........ : .... .\' .. . : ..... ... : ... ... .. : .. ..... . ... " ..*.... .. .. .. ... .... .. ... ... ... .. . . :.. \, ' .'\:... ..... :... .... .:.. ..... . , \ . ... . \ X ***** ** *** *** ** ** *1Q1' ..... .. .........

.... ...........

........ ... :...,,, . ...:...... o I 1111111, 11 11 1", I! II, I I ""'I 'I ""', ! '"111 1 f IIII!I, 111""1 1 2 J 5 7 8 10 10 10 10 10 10 10 10 10 Time (3) 12 Contoinment Temperature.

OEPS MINSI -----Containment Temperoture, OEPS MINSI Revised 2 1;/\ ** .. ...***.***..****. .** -..,.,.........., -.IlJ \. -...;' " ...*... .***...* . * .*.. . . * .*.. , l.L .. d ,. , ., . '---"' 'f 40 ..2 ... . 200 1. ....*...........

...................... ........ . : ..... , .. : .. ...... ., E OJ f-150-....................... , ............

................ -...........

...... I 11111111 1111111 1111111 1111111 11111111 11111111 11111111 11111111 100 I I I I I I I 1 2 j 4 6 7 a 10 10 10 10 10 10 10 10 10 Time (s) FPL

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Containment and Ventilation

-MSLB Draft Containment Pressure . 1*0 sq ft ----. Co n tainment Pressure.

1.0 sq ft Split 60-'-'--------------------, 50 .12' 40 '---./ 30 :::::s (J) (J) Q) ct 20 1 0 o 200 400 600 800 1000 Transient Time (se c) C on tai nmen t Temperature.

30 % Power DER M S CV ----. Containment Temperature.

HZP DER MSCV Revised 3511 300 -----------/"'. 250 LL '--" :::J 200 +-' 0 L 150 E Q) 100 50 0 0 200 400 600 BOD 1000 Transient Time (sec) 13 FPL.

Containment and Ventilation

-* Areas requiring revised analysis (applicable LAR sections in parentheses)

-Component Cooling Water Systems (2.5.4.3) -Primary Containment Functional Design (2.6.1) -Mass and Energy Release (2.6.3) -Containment Heat Removal (2.6.5)

• Determined to be acceptable 1 4 FPL.

Containment and Ventilation

-Other areas reviewed and determined no impact (applicable LAR sections in parentheses)

-Protective Coating Systems (2.1.-Balance of Plant Piping, Components and Supports (2.2.-Safety-Related Valves and Pumps -Environmental Qualification of Electrical Equipment (2.3.-Pressure Analysis for ECCS Performance Capability (2.6.-Containment Ventilation System (2.7.-ECCS and Loss-of-Coolant Accidents (2.8.5.6.-Radiological Consequences Analyses Using AST (2.9.No change to LAR section conclusions for impact of EPU 1FPL

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(1) (1) ::l 0 "'C c: ca .c: (1) (1) (f) I L. (1) (1) ..J (1) tn c: 0 c. tn (1) a:::: 0 (1) .t:-::l j e<D Reactor Systems Branch Questions Received 31 non-LOCA RAls on 6/10/11 -Conducted clarification call on 6/20/11 -Preparing responses with a target issue of mid-July 2011 Further discussion on the following:

-NUREG 0800 requirement regarding credited reactor trips for loss of load

-Analysis of credible main steam line -eves malfunction in Modes 3, 4, and (j I=PL.

Reactor Systems Branch Questions

• Received additional RAls: -10on6/14/11

-7on6/17/11

-Anticipate remaining questions by 6/23/11 -Clarification discussion today -Preparing responses with a target of mid July 2011

• Further discussion on the following:

-Inadvertent opening of a PORV -Additional information regarding LBLOCA nodalization 18 FPL.

Reactor Systems Branch Questions

• RETRAN Deck -Modified Turkey Point base deck to be compatible with RETRAN3D -Westinghouse transmitted to NRC on 6/21/11 -Personnel available today to assist the Staff with running RETRAN with the modified base deck to ensure its compatibility with Staff software 19 F=PL 3: Cl)*>Cl) '-Cl)..s::... 0 0 tn tn C Cl) 0 (J.-..., c tn G) :s ..c'" '-Cl)a .c...I 0 ..., E c 0.-o ....s-n. tn c 0.-G) .... tn tn",Cl)Cl)... ::s :s

• N0 Turkey Point -Closing FPL respond to remaining RAls and clarification requests Staff to complete remaining draft SE input Draft SE to ACRS Subcommittee in August Prepare for ACRS Subcommittee meeting in September and ACRS Full Committee meeting in October I=PL