ML20043G549
| ML20043G549 | |
| Person / Time | |
|---|---|
| Site: | Zion File:ZionSolutions icon.png |
| Issue date: | 06/14/1990 |
| From: | Miller H NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | Reed C COMMONWEALTH EDISON CO. |
| Shared Package | |
| ML20043G550 | List: |
| References | |
| NUDOCS 9006200417 | |
| Download: ML20043G549 (2) | |
See also: IR 05000295/1990009
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_ ,g~ ' < ,1 , JUN 141990' ' Docket No.'.50-295 -. Docket No. 50-304 Commonwealth Edison Company iAT1N:' Mr.' Cordell. Reed' . Senior Vice President ' -Post Office Box 767 -' Chicago, Il 60690' . Gentlemen:- ' , This letter refers to the followup maintenance team inspection conducted by Mr. Z. Falevits and others of this office on April 301through May 4, 1990. We E 11nspected activities at the Zion Nuclear Generating Station authorized by NRC- ~0perating-Licenses No. DPR-39 and No. DPR-48. During the inspection, we evaluated your progress in the area of maintenance since the maintenance team ' L inspection that was conducted in the summer of 1989. We discussed our inspection- ' i - findings with-Mr. K. Graesser and others-of your staff on May 10, 1990. LThe enclosed copy of our-inspection report identifies the areas examined during: . the inspection.- Within these areas, we selectively examined work packages, u procedures, and representative! records, made observations, and conducted interv,iews with your personnel. , m . DuringL the previously ~ conducted maintenance team inspection, we identified ) that the areas in most need of improvement were management involvement and l support of maintenance, post maintenance testing,-and. technical support. The- 1 ateam ' determined.that your ' actions were generally good in response to the j 1 weaknesses identified'during the inspection,cincluding the violations and 1 unresolved items. During this followup inspection, the team noted. increased j management involvement to upgrade _the maintenance process, especially the efforts with. maintenance improvement programs. -We noted improvement in-the- ~ ssenior management Performance Improvemert Plan, work packages.and practices program, upgraded preventive maintenance program through the initiation of . reliability _ centered maintenance, engineering involvement in Component Failure
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~ Analysis Report evaluations, procedure improvement program, motor operated 1 valve testing, housekeeping, and material condition. We noted some improvement l 4 'in programs to upgrade the areas of post maintenance testing and system ! engineering. However, we noted additional probtems with post maintenance test 4 uinstructions and criteria, review of vendor = manuals for recommended maintenance, ( (and with system engineers' lack of involvement in root cause analysis, ] (Problem Analysis Data Sheets, and the reliability centered maintenance process. (The inspection team noted that for 1989, you met or almost met most of your ( maintenance.related goals except for-the high maintenance backlog, which senior
, management projected. However, during the first quarter of 1990, plant j performance declined. There were maintenance related problems with diesel j f generators, main steam isolation valve stems, residual heat removal valves, 3 _ e and :the auxiliary feedwater pump turbine overspeed devices, j -
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- lnigeneral,- we noted that you made considerable progress and carried out many
d h corrective actions. However, the team concluded that it was too soon to assess - s the success of your maintenance improvement programs and that it would be- expected to take-considerable time and continued management involvement in
maintenance activities before measurable improvements and results WoJld bei observed. No~ violations of NRC requirements'were identified during the. course of this: i inspection. 3 In= accordance with 10 CFR 2.790 of the Connission's regulations, a copy of I , ,
- this-letter and the enclosed inspection report will-be placed in the NRC
Public Document Room.- < We will gladly discuss any questions you have concerning this inspection. ' Sincerely, ORIGINAL' SIGl1ED LY. T. O. MARTit( j J, H.'J. Miller, Director
m' Division of Reactor. Safety -{ Enclosure: >lnspection Reports No.50-295/90009(DRS); -No. 50-304/90010(DRS) a cc'w/ enclosure: . a T. J. Maiman, Vice President,- LPWR Operations - tT. Kovach, Nuclear 3 ' Licensing Manager 1 - T. Joyce, Station Manager !
- DCD/DCB1(RIDS).
Licensing Fee Management Branch . Resident Inspector, Rill. , ~ Richard Hubbard - -J.'W. McCaffrey, Chief, Public -l
- Utilities Division-
. ' Mayor, City of Zion 'Chandu Patel, Project Manager, NRR' r T.LFoley,-LPEB/NRR Robert Newmann, Asst. Director,
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