nrc region iii18 1-systems/components 1enu a r j i n m tech spec changes-ts 3.1 .d.2 -rcs min flow...
TRANSCRIPT
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NRC Region IIIFebruary 21, 2001
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I N M'C Committedd to Ncla Excellence
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Presentation AgendaNMC Commitment to SGR
Plant Ownership of SGR
Project Overview
SG Design Change
RSG Safety Analysis
RSG Supply and Safe End Weld
RSG Installation
RP and OSG Disposal
Quality Assurance
Closing Remarks
Questions and Discussion
Mark Reddemann, Site VP
Kyle Hoops, Plant Manager
Jeff Jensen, Project Manager
George Bieberbach, SG Design
John Holly, Engineering
Guy Holmes, Fabrication
Kim Hull, Installation Manager
Brad Gauger, Radiation Protection
Brian Koehler, QA Manager
Mark Reddemann, Site VP
Committed. .to ucea cellenc• "~3
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", Key Lesson Learned
"* Success Built on Uniform Site Purpose
CtMrn ied ti I Ce
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m SGR Team Reports to PlantManager
m Integrated SGR Outage Schedulem Dedicated KNPP Shift Manager to
SGR Planningm Integrated KNPP and Bechtel
Processes
CommittedtoNuclear���
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KNPP
Project Management
Contract Management
Safety Analysis
OSG Disposal
Radiation Protection
Design Change Process
Quality Programs
Industry SGR Experts
RSG Design
RSG Fabrication
RSG Installation
Quality Programs
Welding Oversight
Licensing
8 Comittd toNucerEceln•8
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Westinghouse
Ansaldo
Bechtel
Duratek
RSG Design,Licensing & Safety Analysis
RSG Fabrication
RSG Installation
OSG Disposal
Project Management Design Change Process Non-LOCA Analysis Contract Mgmt Radiation Protection Licensing QA & QC Resolution of Non-Conformances
NM e Committed to NUclear-Ex"cetlen2••
KNPP
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. Maximize Personnel Safety
. First Time Quality
m Minimize Radiation Exposure
. Minimize SGR Outage Duration
10 ~Commritted t6 uclear Ecelen6~10
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(g
"m Use Industry Lessons Learned
"m Ensure KNPP Retains Knowledge of SGRP
11 Commi tEyce
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* Readiness is the assurance that the strategy can be followed to achieve SGRP goals & objectives - Team Development - Employ Industry Expertise - Independent Assessment
- Site Access Plan
12 Committed to Nucl e 0"
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* Configuration Control
"* Receipt Inspection
"* Questioning Attitude
13 CommnItte d to Nuctea r,6 ceý , c. ' lI
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Comittd N to Nca rg
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Key Improvements
Refurbished Upper Package
U
Replaced Lower Package
Replacement SG Model 54F
Steam Flow Limiter Separator Mods Feedwater Ring
Alloy 690 Tubes Stainless Support Plates Hydraulic Tube Expansion 3 Sets of U-bend Supports
1 Com
Original SG Model 51
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Corn
Plant Change ImpactStakeholders
KNPP %4 Acceptability Basis
Licensing Report
Acceptability Basis Changes to USAR Certified Design Report Changes to USA c Thermal/Hydraulic Report Changes to Tech Specs Moisture Carry-Over Report USQ for Analysis Methods
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1ImpactPrimary Loop Flow Rate Increase (+6%) None, remains below MDFPrimary Volume/Mass Change(+3%)
Secondary Volume/Mass Change (-2%)
Circulation Ratio(2.71 to 4.28)
Constant Water Level Program
Only minor changes during load changes
Minor simplification
These changes have been fully evaluated and all results are within acceptance criteria
17 ~~Commith.ted to NuclearExclec
Change
Plant Operation Impacts are Minimal
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10 Safety Evaluations were Completed for Mod 1 to Assure Sufficient Evaluation Detail -Overall
-Materials -Design Feature -Thermal Hydraulic -Component/Structural -Analysis Methods -Non LOCA -LOCA -Radiological -Systems/Components 1eNu a18 1
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m Tech Spec Changes- TS 3.1 .d.2 - RCS Min Flow Rate 0- Returned to Zero Plugging Value
- TS 3.10.m - Primary to SecondaryLeak Rate Reduced from 500gpd to 150gpd
- TS 5.1 -Site Previous Owner, deleted
- Steam Generator Tube Repair- Support
Crevice- Voltage
Criteria
Plate and Tubesheet Plugging Criteria Based TSP Repair
Eliminated, not applicableto RSG Design
0 USQ- RETRAN3D- GOTHIC 19 Commtted toNuclearExcIe j,
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I Summary/Conclusions
* In terms of plant operations, there are only minor impacts
+ All changes and their impact on the plant have beenreviewed and assessed
+ Mod 1 was divided into 10 Safety Evaluations to assurethoroughness and completeness.
* There are only a few required Tech Spec changescaused by the RSG
20 Committed to ~NucercIMIenG
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m Design Basis Accidents, NSSSm Split between Westinghouse and
KNPP
. KNPP Scope- USAR Chapter 14 Non-LOCA
Accidents
- MSLB Accident inside and outsidecontainment
- LTOP Analysis Comm-tted to u Exc" "-n" •22
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* Westinghouse Scope - USAR Chapter 14 LOCA
+ Large Break LOCA
+ Small Break LOCA + LOCA containment response
+ LOCA hydraulic forces
- NSSS components/systems/controls
- RCS Loop piping & support systems - Radiological - RSG Component T/H and Structural
23 Committed ~to NuclarExeIenj
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(
"* Consistent Methods for Analyses "* Upgrade to Methodology
- RETRAN 3D and GOTHIC
"* KNPP Experts Used SEnsured accurate analysis inputs
- Reviewed results/licensing report
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"- Reactor Core Physics Parameters "* Reactor Power Level "* Reactor Temperature
"* Fuel Design "* Engineered Safeguards Systems
"- Plant Setpoints
25 ComItted.to.Nuclar •
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m RSG Component Design andPerformance
, NSSS Thermal Hydraulics+e.g., RCS flow, 10% SGTP
. SG Programmed Level vs. Power- Constant at 44%
. SG Outlet Nozzle Flow Restrictor
NM"C C6mmitited.to Nuclear~26
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m SGR Change was Analyzed- Design Basis Accidents/Transients
and NSSS
- All Acceptance Criteria are Satisfied- Verified plant operation withindesign
m KNPPand licensing basis
is Positioned for the Future
m Plant Change was Minimized27 Con imltted to Nuclear ExceIIe���
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"* Westinghouse- Design and Engineering - Model 54F
"* Ansaldo - Manufacturing and Procurement
"* KNPP - Configuration Control, Surveillance of Manufacturing
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m Welds on RSG- Passed ASME III RT- One Weld required repair, ASME Xl UT
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m Weld will be performed on site by PCI
NMC Committed to Nuclear Exce"tenct31
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32 Wrapper Insertion Committed to Nuclear Excellence
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Tube End Welds
-ITube End Welding
36 ~Comm itted to Nuclear Excetiencte P36l
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TBs Inssalled. End Caps ready to Weld to Retaining Rings; NMC 37 Committed to Nuclear Excellence
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Channel Head to
Tube Sheet Weld
Post Weld Heat Treatment
. .. .. .. .. .Comm itted to Nuclear Excellence~ ~
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40 Committed to Nuclear ExeIlerlC'
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C t NuclearExcellenc "
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1Committed to Nuclear Excellence
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m Welding in RSGs- Lessons Learned- Welder training & certification- Weld material and process control
m KNPP Control of Welding- Ownership
- Review
- OversightCommitted to Nuclear Excell eni~e45
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* Summary - Replacement Similar to Original
- Rigorous Control of Welding
Com c
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NMC 47 Committed to Nuclear Excellence
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- KNPP Control of Radiation Protection - Expanded Organization under KNPP - Rad Pro Plan & Interface Plan - Using KNPP Procedures - Detailed ALARA Plans for critical work
48 Committed to Nuclear Excellenciz
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"* Augmented Access Control Facility - CAF (containment access facility)
"* New Decontamination Facility
49 Committed to Nuclear Exelldnoe
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"- Approximately 57,000 lbs of Lead Shielding
"* Closed Circuit TV "* Pipe End Decon and Shielding "* SG Secondary Water Level "* RP Training with Mockups
50 Committed to Nuclear Exellenc6 .
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m Radiography m RCS Pipe Cut and Decon m Moving Original Steam Generators m Increase in Personnel - Doubling
of Site Staff
51 CommItted to Nuclear Excellence~,P
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m Duratek- Performs work under contract
m Move OSGs- KNPP to Port by Transporter- Kewaunee to Memphis by Barge- Port to Duratek by Transporter
NMC Committed to Nuclear Excelene 1.52
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Nmc 53 ComminItted tO Nuclear Excienc*0~
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5 • ~e~.'-uc~ear"EII~ein!
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m KNPP Similar to Maine Yankee - NRC Generic Letter 96-07 -49 CFR 173.403 Exemption
+ surface contamination demonstration
49 CFR 173.427(b)(1) Exemption + packaging requirements
NMC 55 Committed to Nuclear Exc'ellencim ~
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m Duratek will:- Decontaminate
+ SIVAblast Grit
- Divide OSG into Sections- Metal Melt
. Shielding Blocks
- Free Release of Clean Metal
Committed to Nuclear Excellencf,,t'
I
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57 Committed to Nuclear Excellence~P
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"m Quality Oversight - Early in project - Dedicated QA staff
"* Specific QA Plan for SGRP
58 Committed to Nuclear Excellence •W
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m Vendor Evaluation
m Audits & Surveillances - Pensacola - RSG Design - Monroeville - Licensing and Safety Analysis - Waltz Mills - Steam Dome Design
m Technical Specialists Used
59 Committed to Nuclear ExceIlncL.
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m Vendor Selection
m Supplier Qualification - 1996- Joint Utility Audit (APS and BG&E)
m Re-Evaluation Audit - 1999- APS lead
m Fabrication at Ansaldo- Including major sub-suppliers
60 ~Committed to Nuclear Excellencdo ,60
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In
m Supplier Audit Evaluation (initial)m NUPIC Audit- 1999
- KNPP Lead on Joint Utility Effort
m Surveillances- Bechtel and Sub-suppliers
.:Westinghouse, Colonial Machine
61 ~Committed to Nuclear Excellenc ~
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61
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m Internal Audit of SGRPm Document Control Auditm ECT Surveillance
m Safe-End Surveillance at PCIm Readiness Review (Planned). SGRP Surveillances (on-going)
NMu Comm itted to Nuclear Excellenim62
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"- NMC Committed to SGRP
"* Operating Plant Integrated with SGR
"* SGR Project Focused on Excellence
"* Questions and Discussion
63 Committed to Nuclear* Exc 4eften~P