ML062160473

Meeting Handout - Palisades Alternate Source Term Pre-Submittal Meeting

ML062160473
Person / Time
Site:	Palisades
Issue date:	08/02/2006
From:	Nuclear Management Co
To:	Office of Nuclear Reactor Regulation
References
Download: ML062160473 (22)

Text

SM NMC Committed to NuclearExcellence ALTERNATIVE SOURCE TERM Pre-Submittal Meeting Palisades Nuclear Plant AýL August 2, 2006

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM NMC ATTENDEES 0

John Broschak Engineering Director 0

Ed Weinkam Licensing & Reg. Svcs. Director Gabor Salamon Licensing Manager Brian Brogan Engineering Programs Jeff Voskuil Engineering Programs 0

Amy Hazelhoff Licensing

. .Jesus (Jay) Arias Licensing Commited to NuclearExce!

I

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM PURPOSE OF PRE-SUBMITTAL MEETING 0

Common understanding of the proposed scope of the Palisades application S

Understand the level of detail of information expected in the application 0

Gain understanding regarding regulato i-ns I

on specific issues I -

commitdt uer~ef~

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PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM AGENDA Reason for Adopting the Alternate Source Term Scope of Implementation Overview of Changes to the Licensing Basis Specific Aspects of the Analyses Submittal Content Schedules Summary Committed to Nuclear Euceltene

I: PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM S..REASON FOR ADOPTING ALTERNATE SOURCE TERM 0

To update the Palisades accident dose analyses following the guidance provided in Regulatory Guide 1.183 Comm tted to NudearExceffer~~~.

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PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM SCOPE OF IMPLEMENTATION

• Full scope implementation

• Limiting accidents analyzed:

- . Loss-of-Coolant Accident (LOCA)

S- Fuel Handling Accident (FHA)

-. Main Steam Line Break (MSLB)

S. Steam Generator Tube Rupture (SGTR)

Control Rod Ejection (CRE)

- .Small Line Break Outside Containment (SLBOC)

- Spent Fuel Cask Drop (SFCD)

• ... Other Palisades UFSAR Chapter 14 events Commimtd toueaxe1700 7 5

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM OVERVIEW OF LICENSING BASIS CHANGES Revise radiological consequences for limiting accidents

- TEDE acceptance criterion

- Revised assumptions

- Revised results

.-ýChange Palisades Technical Specifications

- Definition of Dose Equivalent 1-131 irnT-S Section 1.1 NMC Committed toNucearExteIlenc

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM

_: SPECIFIC ASPECTS OF THE ANALYSES AST analysis philosophy

• Analysis Differences

-Palisades-specific source term inventories

- Updated control room X/Q

-Updated offsite X/Q

-Updated control room breathing rates L~.

Comm ie oNda~cY~~

7 F -

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM SPECIFIC ASPECTS OF THE ANALYSES Analysis Differences (continued)

-Lower control room envelope unfiltered in-leakage for limiting events

=,Single containment release scenario for control rod ejection NIMC Comm itd to Nmur~celear 8

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM SPECIFIC ASPECTS OF THE ANALYSES

__.Analysis Differences (continued)

- MHA/LOCA

• Plant configuration Reduced containment spray flow rate

.- .:. . . . Effect of low pH SIRWT water on iodine volatile fraction to justify airborne fraction <10%

Termination of SIRWT isolation valve back-leakage

• Lower SIRWT recirc valve back-leakage commifdt uferxelj L .._ 9

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM SPECIFIC ASPECTS OF THE ANALYSES

-Assumptions requiring plant modifications

-Lower control room envelope unfiltered in-leakage

- Termination of SIRWT isolation valve back-leakage

- Lower SIRWT recirc valve leakage commildt ueaEe*,

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PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM

. SPECIFIC ASPECTS OF THE ANALYSES 0¸ Palisades Summary of Alternative Source Term Analysis Results r_

NM) 6.Comnmitted to Nda~cf~m 11 I ... ' .~ -

1* - .~...

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM MHA/LOCA Results (rem)

AST TID Analysis Analysis Thyroid Whole Body TEDE 4

LPZ 10.0 0.1 r

EAB 18.1 0.3 CR 21.3 2.7 2 NMC Committed to NudearExcefleme 7 12

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM FHA Results (rem)

AST TID Analysis Analysis Thyro id Whole Body TEDE L.PZ 8.7 <0.1

~77J72:7~I~i1L EA~~B 53.6 0.2 w2 CR 19.7 <0.1 4 .0 NM J.

13 j:..;.;

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM MSLB Results (rem)

AST TID Analysis Analysis Thyro id Whole Body TEDE

°LPZ 4.0 <0.1 EAB 15.7 <0.1 I 2 v5

-CR 1 1.8 <0.1 44. 98 I_ k: .. * . . .

NqMC'-

Comm~ffed to Nudear E-rff~7:A 14

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM SGTR Results (rem)

AST TID Analysis Analysis Thyro id Whole Body TEDE LPZ 0.7 0.1 .2 EAB 4.3 1.6 .2 CR 5.6 <0.1 3 .8 NMC Committed to NuclearExcelP7 15

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM CRE Results (rem)

AST TID Analysis Analysis Thyro id Whole Body TEDE LPZ 11.5 0.2 EAB 22.7 0.3 2.7 CR 23.9 0.4 1.1 NMCmi 16 I

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM SLBOC Results (rem)

AST TID Analysis Analysis Thyro id Whole Body TEDE LPZ 0.8 <0.1

).1 EAB 4.8 0.1 CR 5.7 <0.1 (

NMC Committed to NudearExceff/

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PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM SFCD Results (rem)

AST TID Analysis Analysis Thyroid Whole Body TEDE LPZ 8.3 <0.1 ,--9Q.3 2.01 r EAB 51.2 0.3 (

CR 8.2 <0.1 1.7 Comm fredtoMifli:jý 18 Ic.....

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM SUBMITTAL CONTENT e :-Licensing technical report summarizing assumptions

..and analyses

.,#---Accident analyses input parameter and results tables RG 1.183 conformance table

!*NRCRIS 2006-04 disposition table S*Meteorological data and accident analyses calculations in electronic form

,I'..lnformation copies of mark-ups of affected pages of-X the Updated Final Safety Analyses Report TS change Commited to NudearExcefle/,'

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.......... TS h

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM SCHEDULES

• ..Submittal by August 31, 2006

,,Implementation coincident with restart from

""2007 Fall Refueling Outage Committed to NucesrExceJ I) 20

PALISADES NUCLEAR PLANT ALTERNATIVE SOURCE TERM

SUMMARY

NMC Commrtted to NuclearExcef.e.

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