ML033010300
| ML033010300 | |
| Person / Time | |
|---|---|
| Site: | Harris  |
| Issue date: | 03/10/2003 |
| From: | Progress Energy Co |
| To: | Office of Nuclear Reactor Regulation |
| References | |
| FOIA/PA-2003-0358 | |
| Download: ML033010300 (1) | |
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Harris Nuclear Plant Fire Protection (z u Nuclear Ge(wrcton d % ~~Group 03 Progress Energy Attendees Bob Duncan - Director, Site Operations
- Abdy Khanpour - Manager, Engineering
- Eric McCartney - Superintendent, Engineering
- Terry Morton - Manager, Support Services
- John Caves - Supervisor, Licensing
- John Yadusky - Licensing Engineeer
- George Attarian - Corporate Chief Engineer
- Jeff Ertman - Corporate Fire Protection Engineer
- . Steve Laur - Supervisor, PSA VN Proew Energy 2
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Agenda Io Overview of Fire Protection Inspection Findings g
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F Summary of Root Causes-
- Corrective Actions
- 15. Overview of Project Plan
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Overview of Inspection Findings Il Failure to identify cables potentially affected by fires
- Inconsistency between Safe Shutdown Analysis and implementing procedure
- Some non-feasible manual actions
- Technical compliance P Lignting f
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Harris Nuclear Plant Fire Protection
~~b ~~Nuclear Gen~eratonn d % ~~Group a Progress Energy Attendees
- Bob Duncan - Director, Site Operations
- Abdy Khanpour - Manager, Engineering
- Eric McCartney - Superintendent, Engineering
- Terry Morton - Manager, Support Services
- John Caves - Supervisor, Licensing
- John Yadusky - Licensing Engineeer
- George Attarian - Corporate Chief Engineer
- Jeff Ertman - Corporate Fire Protection Engineer
- Steve Laur - Supervisor, PSA
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Summary of Root Causes Io Original licensing mid 1980s P Errors in analysis i Separation issues resolved with using manual actions as the first choice
- Abnormal Operating Procedure (AOP) for safe shutdown was arinIap-roncied for both MCR fire and plant area fires o Applied a rigorous validation process for remote shutdown manual actions
- Original submittal did not separate remote shutdown from MCR shutdown Progres Energ 5
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Fire Protection Hugo etive ctions;l Im med~~iate actions completed_'
- Revised Safe Shutdown Procedures
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Co Assigned 1 Additional SSD AO To Shift Jo/i De-energized MOVs Where Possible To Eliminate Hot Short Potential Removed plexiglas cover for TDAFW fuse A
- Established fire watch coverage for
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(ID On-Shift Staffing I* Developed drill scenarios fo,C~fire area usng Plant Simulator_
l Conducted drill scenarios with spurious usactuations inserted for all 5 shifts with 1 Auxiliary Operator
/ All crews successful in achieving shutdownj-P Success defined by remote shutdown time line P Will validate all remaining fire areas Hi Progress Energy MA-
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Project Plan p
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I. Restore compliance for identified A
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- Fire Hazards Analysis design validation P SSA validation P Clear documentation of compliance
.{VYalidation of fire response ox', Design adequately reflected in operational 4 -esponse procedures
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/19 pfo--4 IV Project Plan Goals
- Improve syseliiy o Valida ram o Optimize surveillances and testing
- Reduce plant risk for operational implementation D Reduce operator manual actions to the greatest extent possible
- Improve self-evaluation Establish program health monitoring schedule that verifies design basis through implementation on a periodic basis A Progress Energy 10 e/ 4e,'Ile 57',rrc.e 4i4ve_6-~
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Project Plan Schedule I* SSA validation i Contractor selection in progress i Begin prior to Ri 1
) Expected completion irfmid 2004 USA~5'--
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Resolution le Immediate Design Changes P Design in progress
- VCT outlet valve cables, 1 CS-1 65 & 166
- Prote6t CSIP flow paths in all fire events
- Eliminale-manual actions in ACP fire area
- Utilz Intear~m~fire wrap, qualified to GL 86-10, YHupp e standards E Evaluating MCC hot short solutions
- Cable reroutes
- Valve interlocks ffa a Progress Er J
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Design Validation I
- Validation of SSA
) Develop safe shutdown equipment list
- Select SSEL cables i Load cable database r ~
Utilize automated software analysis methods
- Revise safe shutdown procedure
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41 Additional Program Improvements I* Administrative controls
- Transient combustibles
- Training and Qualification
- Program manager o General engineering populatiolnD--t o Operations crews 2
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- Station management
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Risk Insight Io Fire areas identified in findings, except ACP room, have full detection and suppression
- Affected cable routes are greater than 20 feet from fixed ignition sources
- Multiple hot short spurious actions are required to cause loss of a safe shutdown function J
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a Summary l
Original design used manual actions instead of separation
- HNP now understands regulatory requirements and safety impact of manual actions
- Aggressively pursuing resolution of known issues and validation of remainder of analysis Propose quarterly update meetings with Region 11
- HNP will update LER as necessary to include additional discovery 17 Nill I/4 f r bn A J-
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