IR 05000237/1991041
| ML17174B057 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 12/16/1991 |
| From: | Lougheed V, Nejfelt G, Phillips M, Wright G NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML17174B056 | List: |
| References | |
| 50-237-91-41-EC, 50-249-91-45, NUDOCS 9112240150 | |
| Download: ML17174B057 (5) | |
Text
U. S. NUCLEAR REGULATORY. COMMISSION
Docket No and 50-249 Licenses N DPR-19 and DPR-25 Enfordement Action No. EA-91-164 Licensee:
commonwealth Edison Company Opus West III
.
Downers Grove, IL 60515 Facility Name:
Dresden Station Unit 2 and Unit 3 Meeting Conducted:
December 10 '* 1991 Meeting At:
Holiday Inn, Lombard, IL Type of Meeting:
Enforcement Conference
. * Inspectors:
G. M. Nejfelt Reviewed By:
Approved By:
Meeting*summary
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Date i';t/I (, /fi
- Date>
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Areas Discussed:
Three apparent vioiati.ons were presented. * The fir~t, failure to perform adequate post-maintenance testing (e.g., local leak rate testing), resulted in the "Unit 3 T6rus and Drywell Outer Isolation Purge Valve," 3-1601-24, being unknowingly left partially open (i.e.*, subsequent local leak rate testing could ncit pressurize the piping) £Or approximately
18 ~onths during periods of reactor power operations.. Effdrts were taken and additional items planned by the licensee to ensure that necessary post-maintenance testing will be performe The second and third items, concerning the Unit 2 Reactor Building Trackway Outer Door*seal, addressed failures:
(1) to perform required design control of the door seal replacement; and (2) to
~112240150 911217 PDR*
ADOC~ 05000237 Q
- t'ake appropriate compensatory action with door seals manually.
defeated (e.g., secondary containment degradation).
The door seal tinauthorized modification has been returne~ to its.original acceptable configuration.
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'* DETAILS Enforcement Conference Attendees Commonwealth Edison Compan D. Galle, Vice President; BWR Operations
- K. L. Graesser, General Manager of Boiling Water Reactor Operations
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c.. W. Schroe.der, Station Manager, Dresden E. Eenigenburg, Former Station Manager,*. Dresden s. L. Trubatch 1 Counselor, (Firm of] Sidley & Austin T. Kovach, Nuclear Licensing Manager
. *
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G. L-. Smith, Assistant Operations Superint~ndent, Dresden*
M. Gallaway, Mechanical Maintenance Staff, Dresden
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T. Dolan, Senior Work Analyst, Dresden B. Colebank, Maintenance* staff, Dresden
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R. Janecek, Offsite Review Senior Participant, Corporate
- M. Korchynsky, Unit 3 Operating Engineer, Dresden R. Scott, Station Control Room Engineer,** Dre~den *
M. Parcell, Shift Engineer, Dresden
M. Vincent, Radwaste Staff s.* Lawson, Safety Systems Group Leader, Technical Staff, Dresden N. DuBuy, Saf~ty Assessment K. Deck,.OnsiteNuclearSafety W. E. "organ, Dresden Station R. Radtke, Nuclear Licensing
- P. Barne-s, Nuclear Licensing **
Illinois Department of Nuclear Safety-R. Zoffa, Resident Ipspector, riresden u. s. Nuclear.Regulatory*c6mmission A. B. Davis, Regional Administrator, Region III T. O. Martin, Deputy Director, Di,vision of Reactor Safety (DRS)
G. c. *Wright; Chief, Operations Branch, DR * B. Clayton, Chief, Project Branch No. 1, Division of Reactor*
Projects (DRP)
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W. Troskoski, Acting Director, Enforcement and Investigation Coordination Staff (EICS)
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- c. A. Mohrwinkel, Senior Management Analyst and Attorney, Off ice of Nuclear Reactor Regulation * (NRR)
B. A. Berson, Regional Counsel *
B. L. Burgess, Chief, Project Section lB, DRP B. Siegel, Dresden Project Manager; NRR M~ Nejfelt, Regional ~n~pector, DRS R. M. Lerch, Project Engineer, DRP
- c. H. Weil, Enforcement Specialist, EIC M.. Peck, Resident Inspector, Dresden D. Liao, Reactor Engineer, DRP w. Pegg, NRR Technical Intern, Region III Enforcement Conference
- An Enforcement Conference was held at the Holiday* Inn, in Lombard, Illinois* on the afternoon of December 10~ 199. The conference was conducted as a result of the preliminary findings of inspection~ conducted between *August 29, 1991, and November 15, 1991, in which apparent violations*of NRC regulations and license conditions were identifie Inspection fincU,.ngs were documented in Inspection Reports No. 50-237/91027.(DRP) and No. 50-249/91035(DRS); and we~e*
transmitted to the licensee by letters dated November 15,
. 1991, and November 27, 199 *
- *
The purposes of the enforcement conference were to discuss
- the-apparent violations, their causes~ and the li6ensee 1 i corrective actions; to determine if there were any escalating or. mitigating circumstances; and to obtain any*
other information which would help determine the appropriate enforcement' actio Following introductory remarks, the: NRC
. staff opened the conference by stating the purpose of the conference and.the. NRC.concerns, presenting a brief
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description of the apparent violations, and summarizing the
- inspection finding The licensee did not contest any of the_apparent violation The 1 ice.ns~e was requested *by the NRC te discuss the:
following:
o
- pa_ilure to perform adequate post-maintenance te~tirtg (e.g., local leak rate testing) of the Unit 3 Drywell and Torus Outboard Isolation *Purge*
Valve, 3-1601-24;
o Failure to apply appropriate design control in the modification of the Unit 2 Reactor Building Trackway* Outer Door Seal; and o
Failure to take necessary compensatory action with the Unit 2 Reactor Building Trackway Outer Door_
Seal manually defeate The licensee presented their assessment of the above
- apparent violation The licensee. described th~ events which led to the apparent *violations, includil}g root causes and corrective actions taken. or planned, and presented their determination. of the safety significance. (See En~losure 2)
At the conclusion of the conference;*. the.licensee was lnf ormed.that they would be notified of the final entorcement action in subsequent correspondence *
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