ML19323A975
| ML19323A975 | |
| Person / Time | |
|---|---|
| Site: | Wolf Creek, Callaway  |
| Issue date: | 04/03/1980 |
| From: | Petrick N STANDARDIZED NUCLEAR UNIT POWER PLANT SYSTEM |
| To: | |
| References | |
| FOIA-80-244 NUDOCS 8005090053 | |
| Download: ML19323A975 (2) | |
Text
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.p u i
1 SNUPPS 8
Standardized Nuclear Unit Power Plant System Nicholas A. Petrick 5 Choke Cherry Road Rockville, Maryland 20850 Executive Director (301)8694010 April 3, 1980 SLNRC 80-16 FILE: 0491.10.2/M-6278 SUBJ:
Ruskin Manufacturing Co. Fire Dampers: SNUPPS Units 1 (Wolf Creek) and 2 (Callaway 1)
Mr. Boyce Grier Director, Region I Office of Inspection and Enforcement U.S. Nuclear Regulatory Commission 631 Park Avenue King of Prussia, Pennsylvania 19406 Re: STN 50-482 STN 50-483 STN 50-486 Ref: SLNRC 80-8 dtd. 2/15/80: Subject as Above
Dear Mr. Grier:
The reference letter forwarded to the NRC per 10CFR50.55(e) regulations, a report concerning deficiencies in vertical fire dampers furnished by Ruskin Manufacturing Company to Callaway and Wolf Creek sites. These deficiencies were indicated to be generic in nature and applicable to all SNUPPS units. The reference report further indicated a program of corrective actions was being initiated to resolve the deficiencies iden-tified.
Since issuance of the reference report additional problems have been identified in the Ruskin furnished dampers requiring additional design modifications other than that initially indicated.
Reviews have been held with Ruskin to identify design and fabrication modifications neces-sary to assure reliable opera;. on.
Modifications identified are presently being developed and will be d> s~ribed in a supplement to the reference report to be issued by May 1:
- 980. These design modifications will be fully qualified on the basis pre-installation and post-installation operational testing and inspe.
.on, the details of which will be indicated in the supplemental report...iding completion of the design modifications and follow on confirmatory tes.s a hold has been placed on damper in-i stallation at both jobsites.
APR 319g9
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e SLNRC 80-16 April 3, 1980 Page Two further questions on this matter may be addressed to Mr. S. J. Seiken, SNUPPS QA Manager at (301) 869-8010.
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Very truly yours, t%CQ
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Nicholas A. Petrick SJS:dck ccYN Mr. James A. Keppler, Director, Region III, USNRC J
Mr. Karl Seyfrit, Director, Region IV, USNRC Mr. Victor Stello, Jr., Director, Office of Inspection and Enforcement USNRC, Washington, D.C.
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