ML20202D268
| ML20202D268 | |
| Person / Time | |
|---|---|
| Site: | Beaver Valley |
| Issue date: | 02/06/1998 |
| From: | Neil Perry NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | Cross J DUQUESNE LIGHT CO. |
| References | |
| 50-334-97-09, 50-334-97-9, 50-412-97-09, 50-412-97-9, NUDOCS 9802170032 | |
| Download: ML20202D268 (57) | |
See also: IR 05000334/1997009
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February 6,1998
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Mr. Ji E. Cross
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. Generation Group
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. Duquesne Light Company
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Post Office Box 4
Shippingport, Pennsylvania 15077
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' SUBJECT: -
ADDITIONAL SLIDES FOR INSPECTION REPORT NO, 97-09
' Dear Mr. Cross:
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An oversight was made administratively _to not include, in report 97 09, slides
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l presented at the Predecisional Enforcement Conference, dated December 10,1997. - We
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apologize for any incon.venience you may have had due to this error,
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Sincerely, -
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, Neil S. Perry, Acting Chief
Project Branch No. 7-
Division of Reactor Projects :
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' Docket Nos. . 50 334;50-412-
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cc w/enci:
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- Sushil C. Jain, Vice President, Nuclear Services
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R. LeGrand, Division Vice President, Nuclear Operations Group & Plant Manager
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- W; Kline, Manager, Nuclear Engineering Department
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B; Tuite, General Manager, Nuclear Operations Unit
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i M. Pergar,' Acting Manager, Quality Services Unit
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-J. Arias; Director, Safety & Licensing Department
J. MacDonald, Manager, System and Performance Engineering
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L M.- Clancy, Mayor
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4 Commonwealth of Pennsylvania
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State of Ohio
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State of West Virginia
170013
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9902170032 990206
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ADOCK 05000334
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Mr. J. E. ' Cross '
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Distribution w/ encl:
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Region I Docket Room (with concurrences)-
PUBLIC -
Nuclear Safety information Center (NSIC)
NRC Resident inspector
H. M.iler, RA/W. Axelson, DRA (irs)
N. Perry, DRP-
D. Haverkamp, DRP
A. Linde, DRP
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DOCUMENT NAME: P:\\ APOLOGY.WPD
To receive a copy of We document, inecate in the box: "C" = Copy without attachmenuenclosure T = Copy with attachmenWenclosure
"N" = No -
copy
0FFICE
RI/0RP-
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DATE
02/06/98
02/-
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02/
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02/
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02/-
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0FFICIAL-RECORD COPY
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Predecisional Enforcement
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NRC and Duquesne Light Company
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December 10,1997
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King of Prussia, PA
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Predecisional Enforcement Confen.nce
Slide 1
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Duquesne Light Participants
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+ J. E. Cross
President Generation Group
+ S. C. Jain
Division Vice President, Nuclear Services
Group
+ J. B. Macdonald
Manager, System & Performance Engineering
+ J. Arias
Director, Safety & Licensing
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Predecisional EnIbrcement Conference
Slide 2
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Agenda
+ Opening Remarks
J. E. Cross
+ History
J. B. Macdonald
+ Root Cause
J. B. Macdonald
+ Corrective Actions
J. B. Macdonald
+ Closing Remarks
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J. E. Cross
Predecisional Enforcement Conference
Slide 3
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History
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+ LT measurements taken at both units
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+ Suction piping venting
+ NRC Info Notice 88-23
+ Design Changes
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+ DLC Special Report to NRC
+ Established Gas Volume for Each L nit
+ Previous SI events at L~ nit 1
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Predecisional Enforcement Conference
Slide 4
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History
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+ Unit 1
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- Shaft Failures
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- Gas Binding Events
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+ Unit 2
- Shaft Failure
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- Gas Binding Events
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1*redecisional Enforcement Conference
Slide 5
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Root Cause
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+ Inadequate Design
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+ Ineffective Corrective Actions
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+ Lack of Questioning attitude
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Slide 6
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Root Cause
+ Inadequate Design
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1. Susceptible to gas generation
2. Piping configuration
3. Lack ofeffective vent capability
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Slide 7
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Root Cause
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+ Ineffective Corrective Actions
1. Prevention ofgas not addressed
2. Incorrect initial acceptable voidsize
3. Inadequate vent installation - Unit 2
4. Interim installation - Unit 2
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5. Lack ofPh1Tto verifyperformance
6. Correctiv actionprogram controis
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Predecisional Enforcement Conference
Slide 8
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Root Cause
+ Questioning Attitudes
1. Lack ofquestioning attitude by
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operational and technicalstaff
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Slide 9
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Corrective Actions
+ Formed multi-discipline analysis team
+ Developed Condition Reports
+ Established a more restrictive void limit for both units
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+ More frequent UT measurements
+ Revised existing vent frequency
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+ Established charging pump operation strategy
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+ Performed scale model testing of suction piping flow
- Stripping constants
- Bubble mechanics
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+ Operability and Reportability evaluations
Predecisional Enforcement Conference
Slide 10
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Corrective Actions
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+ Eliminate the generation of gas
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+ Establish an acceptable void limit
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+ Establish confidence in verification method
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+ Improve Vent System as necessary
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+ Safety Culture Training
+ Establish Critique Process
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+ MDAT (Piloting)
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Slide 11
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Safety Significance
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+ Potential interruption of flow under certain
conditions during DBA
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Slide 12
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Open Items
+ LHSI Header Venting (verified by LT to
have no voids - E 1 & L 2)
+ Basis of Recirculation Flow Values
Predecisional Enforcement Conference
Slide 13
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Unit 1 Start Up Issues
+ Establish a final void limit
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+ Install the 22 stage orifices
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+ Establish positive post modification testing to
verify effectiveness of corrective actions
+ Complete assessment of CH-P-1 A shaft
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Slide 14
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Unit 2 Issues
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+ Establish a final void limit
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+ Install the 22 stage orifices
+ Based on gas generation rate, establish the
appropriate venting frequency
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Slide 15
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Pre-Conditioning Issues
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+ DLC Position
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+ Industry Practice
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+ Prudent Actions
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Slide 16
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Management Meeting
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December 11.1997
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King of Prussia, PA
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Slide I
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Duquesne Light Participants ~
+ D. D. Marshall
Chief Executive Officer
+ J. E. Cross
President Generation Group
+ S. C. Jain
Division Vice President, Nuclear Services
+ R. L. LeGrand
Division Vice President - Nuclear Operations
+ J. B. Macdonald
Manager, System & Performance Engineering
+ J. Arias
Director, Safety & Licensing
+ R. L. Hansen
General Manager- Maintenance
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Agenda
+ Opening Remarks
+ Corrective Action Program
+ Engineering Workload Management
+ Strategic Planning
+ SRO Staffing
+ Control of Troubleshooting Activities
+ Work Management Program
+ Closing Remarks
Slide 3
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Opening Remarks
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+ Successes
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+ Strategic Planning
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Corrective Action Program
+ Purpose
+ Goal
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+ Successes
+ Current Status
+ Challenges
Slide 5
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Purpose
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+ Identification and Effective Resolution of
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+ Increased Participation of Worker Level
+ Reduction of Corrective Action Backlog
+ Integrate Other Deficiency Reporting Systems into
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the Corrective Action Program
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Successes
+ Lower Threshold
+ Improving Questioning Attitude
+ Worker Level Initiation of Condition Reports
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+ Oversight / Coaching Barriers
+ Extent of Condition Reviews, Findings, and
Resolution
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+ Improved Problem-Solving Culture
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+ Independent Assessment of Closeouts
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+ Tracking and Trending
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Challenges
+ Corrective Action Backlog
+ Continued Identification of Legacy / Latent Issues
+ Increased Worrer Involvement
+ Questioning Attitude
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+ Expectations and Ownersnip
Slide 9
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Engineering Workload Management
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+ Purpose
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+ Current Status
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+ Challenges
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Slide 10
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Purpose
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+ Prioritization of Work
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+ Management of Core Programs
+ Timely support ofEmergent Issues
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+ Management ofBacklog
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+ Dedicate Resources to Core Programs
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+ Dedicate Resources to Plant Support Issues
+ Reduce Backlog in 1998
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Slide 12
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Successes
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+ Engineering Workload Management Tool
Implemented (1996)
+ Extent of Backlog Identified
+ Significant Reduction in Records Update
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+ Engineering Work is being Prioritized
+ Emergent Issues Successfully Handled
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Current Status
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+ Current Backlog
+ Resource Needs Identified
+ Xew Prioritization Process for Design Changes
+ Revamped Project Review and Approval
Committees
+ Prioritization Review of Open Engineering Items
+ Adding Engineering Resources
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Slide 14
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Challenges
+ UFSAR Verification
+ Management of Workload and Resources
+ Xuclear Engineering Excellence 2000
+ Management of Corrective Action Items
Slide 15
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Strategic Planning
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+ Purpose
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+ Goal
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+ Current Status
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Purpose
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+ Develop goals for addressing issues of
strategic importance
+ Provide for periodic review ofissues
+ Engage several layers of nianagement to
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achieve established goals
+ Provide structured link between issues and
resources
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+ Strategic planning process to be established
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+ Strategic plan to be established
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Successes
+ Excellence 2000
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Corrective Action Program
- CLB Compilation
- EFSAR Verification
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SRO Staffing Levels
+ E se of Operating Experience
+ Multi-Discipline Action Team
Slide 19
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+ Site Performance Review Pilot (11/97)
- Workload Management
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+ Continued Implementation of Excellence 2000
- DEMMAND
- Preventive Maintenance Program
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SRO Staffing
+ Purpose
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+ Goal
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+ Current Status
+ Future Plans
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Purpose
+ Increase SRCi experience in plant
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+ Increase shift from 5 to 6 ynit 2 is on 6)
+ Decrease overtime
+ Provide rotation capabilities (Training,
Engineering, etc.)
+ Work control center staffing
Slide 22
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Goals
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+ ~ 60 BVPS Trained SROs onsite
+ Dec 96
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Dec 97
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Dec 98
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Dec 2000
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+ Work Control Center
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+ On-shift
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+ Work Management
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+ Off-Shift
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+ Outage Management
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+ SPED, Training, ' SED
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Slide 23
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Current Status
+ RO Status
+ Xon-Licensed Class - starts 1/98
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+ Accountability
+ Xormal System Alignment
+ Reduced Human Error
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Challenges
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+ Technical Specifications
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+ Procedure Backlog
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+ Communications
Slide 25
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Control of Troubleshooting Activities
+ Purpose
+ Goal
+ Issues
+ Corrective Actions
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Slide 26
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Purpose
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+ Prevent plant transients
+ Insure adequate preplanning
+ Coordination
+ Enhance communications between
disciplines
+ Establish management expectations
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Slide 27
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Goal
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+ No events caused by troubleshooting
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Issues
+ Inadvertent Actuation of Equipment During
Troubleshooting Activities
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Corrective Actions
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+ Troubleshooting Defined
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+ In Depth Review with risk assessment
+ Written Plan
+ Operations Staff Review
+ Pre-Job Briefing
+ XSS Approval
+ Effectiveness Reviews - Mid 1998
Slide 30
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Work Management Program
+ Purpose
+ Goal
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+ Challenges
+ Results
Slide 31
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Purpose
+ Reduce MWRs
+ Improved Work Instructions
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+ Decrease LCO Hours
Slide 32
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Goal
+ 800 MWRs by the end of 1998
+ < 0.5% Late PMs
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+ Forced Outage Rate < 3%
+ Reduce LCO Hours
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Successes
+ Increased Planning & Scheduling Personnel
+ 5-Week PreplannecL Task
+ Improved Work Instruction
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+ FIN Team Implementation
Slide 34
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Challenges
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+ 10-Week Preplanned Task
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+ Improved Work Instructions
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+ Human Performance
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+ Coordination of Activities
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Results
+ Unit 1 - 8% 1997 Forced Outage Rate
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+ Unit 2 - 3% 1997 Forced Outage Rate
+ Plant Material Condition Rate
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+ MWRs Less than 1000 by end of 1997
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+ Unit 2 - MWRs
+ PMs Complete on time
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