ML020700283

March 7, 2002 Meeting Handouts - Discuss Plans to Implement a Digital Reactor Protection System at Oconee Nuclear Station, Units 1, 2 & 3

ML020700283
Person / Time
Site:	Oconee
Issue date:	03/07/2002
From:	Olshan L NRC/NRR/DLPM
To:	NRC/NRR/DLPM
References
Download: ML020700283 (17)

Text

NRC FORM 658 U.S. NUCLEAR REGULATORY COMMISSION (9-1999)

TRANSMITTAL OF MEETING HANDOUT MATERIALS FOR IMMEDIATE PLACEMENT IN THE PUBLIC DOMAIN This form is to be filled out (typed or hand-printed) by the person who announced the meeting (i.e., the person who issued the meeting notice). The completed form, and the attached copy of meeting handout materials, will be sent to the Document Control Desk on the same day of the meeting; under no circumstances will this be done later than the working day after the meeting.

Do not include proprietary materials.

DATE OF MEETING The attached document(s), which was/were handed out in this meeting, is/are to be placed 03/07/2002 in the public domain as soon as possible. The minutes of the meeting will be issued in the near future. Following are administrative details regarding this meeting:

Docket Number(s) 50-269, 50-270, 50-287 Plant/Facility Name OCONEE NUCLEAR STATION, UNITS 1, 2 AND 3 TAC Number(s) (if available)

Reference Meeting Notice FEBRUARY 14, 2002 Purpose of Meeting (copy from meeting notice)

TO DISCUSS PLANS TO IMPLEMENT A DIGITAL REACTOR PROTECTION SYSTEM AT OCONEE NUCLEAR STATION, UNITS 1, 2 AND 3 NAME OF PERSON WHO ISSUED MEETING NOTICE TITLE L. N. OLSHAN PROJECT MANAGER OFFICE NRR DIVISION DLPM BRANCH PD II-1 Distribution of this form and attachments:

Docket File/Central File PUBLIC PRINTED ON RECYCLED PAPER This form was designed using InForms NRC FORM 658 (9-1999)

kDuke FEnergy Oconee Nuclear Station RPS and ESFAS Upgrade March 7, 2002

P.uke wnergy Agenda S:* Introductions (5 min)

S:. Purpose of Meeting & Expected Outcome (5 min)

Project Overview (10 min)

S:. Licensing Approach (20 min)

S:* Safety Analysis Approach (20 min)

Schedule (10 min)

Discussion/Q&A (45 min)

Closure (5 min) 2 I momosaw"

9 Duke 0DEnergy Purpose & Outcome

• . Project

>w Digital Upgrade to RPS & ES with FANP TXS Platform

>- First implementation: Spring 2004

• • Meeting Purpose

>-Communicate Project Outline, Licensing & Analysis Approach

• o Expected Outcome

>- Buy-in among all stakeholders

"+USNRC

"+ Duke Power Project Team 3

Duke Energy Project Overview

RPS Upgrade S:* ESFAS Upgrade S:- License Amendment Request

> UFSAR Changes

> Tech Spec Changes - Longer Surveillance Intervals

> D3 Analysis

> Associated Documentation 4

Ill I I 1 11, off NO! MR.

RPS Inputs Channel A

RPS Inputs Channel B

RPS Inputs Channel C

ESFAS ESFAS Outputs Outputs Odd Even Channels Channels RPS Inputs Channel iD ami-FiFiber optic SINEC-L2 data link ESFAS Inputs Channel A

ESFAS Inputs Channel B L ESFAS Inputs Channel C

I

kDuke

!Energy

Licensing Amendment Request (LAR)

> FANP TXS Platform - Approved May 5,

> Follow TR-102348 Rev. 1 Guidance SConcentrate on Application

' Plant Specific Action Items

- Not Platform

>- UFSAR Changes + Tech Spec Changes

> D3 Analysis per BTP-19, with Safety Analyses

> Associated Application-Specific Documentation

> LAR Package 6

Licensing Approach 2000

ýuke

.wnergy D3 Analysis

Analyze UFSAR Ti

Background

ransients & Accidents

> Demonstrate Acceptability of a SWCMF in RPS&ES

SWCMF is Beyond Design Basis

> Analytical Approach Uses Less Than Traditional Conservatism

Next 5 Slides Detail the Analytical Approach

Staff Concurrence is Critical to Project Schedule 7

kDuke

!Energy D3 Analysis BTP-1 9 Expectations o:o Assume No Automatic Actuation of RPS/ESFAS

• Realistic SWCMF Demonstration of Unit Capability to Accommodate with No Unacceptable Consequences o:o Acceptance Criteria are Discussed

• o Oconee Approach is Consistent with Intent of BTP-1 9 8

111 11 1 111 1 WERIMIF

k.Duke

!Energy D3 Analysis Oconee D3 Methodology

• o Duke Will Use New Replacement SG T/H Analysis Methodologies that are Already Planned for Submittal in Near Future

>- Extensions of Existing NRC-Approved Methodologies Currently in UFSAR

>- Codes: RETRAN-3D, VIPRE-01, RELAP5/MOD2-B&W, GOTHIC, SIMULATE, LOCADOSE, ARCON96 S:. LBLOCA Excluded Based on LBB

One-Time Analysis (will not be revised in the future) 9

ýuke

.nergy D3 Analysis j. -

Methodology Assumptions S:- Typical Conservative Initial Conditions S:- No LOOP S:- No Single Failures

• . Control Systems in Automatic S:- Realistic Core Power Distribution

• . Realistic Operator Actions and Times

Credit for Existing DSS for Hi-Hi RCS Pressure

Pre-Existing SG Tube Leakage at Administrative Limit 10

ýuke

,nergy D3 Analysis Acceptance Criteria S:* Offsite Dose Limits Based on Oconee Licensing Basis (Unless BTP-19 Allows Higher)

S:o RCS Overpressu re Limit is ASME Service Level C (Same as ATWS)

Rx Bldg. Overpressure Limit Based on Realistic Failure 11

kDuke

!En ergy D3 Analysis UFSAR Transients & Accidents o:o Bank Withdrawal @ Zero Power

• o Bank Withdrawal @ Full Power

• o Boron Dilution @ Full Power

• o Loss of Coolant Flow

°:.

Locked Rotor

• o Dropped Rod

• • Turbine Trip

°:o Steam Generator Tube Rupture

• o Rod Ejection

• o Large Steam Line Break o:*

SBLOCA (limiting FP PCT case)

• ° Small Steam Line Break

• . Loss of MFW LOOP

°:° FW Line Break 12

puke

.nergy Schedule 11 1 11. -

- 1 I Feb-02 I Mar-02 I Apr-02 Licensing Plan Initial NRC Mtg.

Initial Application Design Draft D3 Analysis Final D3 Analysis Chapter 15 Work Initial 50.59,50.92 Evaluation Project Update Mtg. @ NRC Final 50.59/50.92 Evaluation May-02 IJun.021 i.02 IAug-02 Sp-02 Oct-02 I Nov-02 Dec-021 Jan-03 I Feb.031 Mar--03 IAP a-03 1May-3]Jun-03 ulI-03IAU e-03 ]

ep03IOct--03 I NO c.03jIDe03Jan-04I Fb-04IMar-041Apr04IMay-041Jun.4 4-4-I.-

LAR Package Submit LAR + NRC Mtg.

NRC ReviewI*

ONS Receives SER Implementation I

119999111 ILL L 1911111 I

I 13

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kDuke FEnergy S:- LAR Submittal - March 2003

Proposed Meetings

- Initial Mtg. - March 2002

> Project Update Mtg. - September 2002

> Post-Submittal Presentation - March 2003

> RAI's & Interactions - As Required

+ SER - November 2003 Schedule 14

9 D~uke U..'Energy Discussion and Questions & Answers 15

kDuke

!En ergy

//



S:. Check for Understanding & Agreement:

>-Project Scope

>PLicensing Scope &Approach

>PSchedule 16 Closure