ML19305E799

Forwards Suppl to Final Deficiency Rept of Ruskin Mfg Co Vertical Fire Dampers

ML19305E799
Person / Time
Site:	Wolf Creek, Callaway
Issue date:	05/16/1980
From:	Petrick N STANDARDIZED NUCLEAR UNIT POWER PLANT SYSTEM
To:	Grier B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19305E800	List: ML19305E799 ML19305E803
References
80-24, NUDOCS 8005200450
Download: ML19305E799 (2)

Text

e 8005280 IU 3

SNUPPS Standardssed Nuclear Urut Power Mont System 5 Choke Cherry Rood Nicholas A. Petrick Rochville, Marylend 20850 Executive Director (301) 869 8010 May 16, 1980 SLNRC 80-24 FILE: 0491.10.2/M-627B SUBJ: Ruskin Manufacturino Co. Fire Dampers: SNUPPS Units 1 (Wolf Creek) and 2 (Callaway 1)

Mr. Boyce Grier Director, Region 1 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: a) SLNRC 80-8 dated 2/15/80: Subject as Above b) SLNRC 80-16 dated 4/3/80: l l

Dear Mr. Grier:

The Ref. a) letter forwarded to the NRC per 10r/R50.55(e) regulations, a report concerning deficiencies in the vertical fire dampers furnished by Ruskin Manuf acturing Co. to the Callaway and Wolf Creek jobsites. The Ref. b) follow-up letter indicated that, as a result of continuing inves-tigations, additional problems had been identified in the Ruskin dampers requiring further design modification and qualification testing. The additional problems experienced since the initial Ref. a) report are described in a supplemental 10CFR50.55(e) report, enclosed herewith.

This !.upplement describes modifications established and implemented by Ruskin Manufacturing Co. and which ultimately will be qualified on the basis of performance tests prior to and during site installation. A follow-up program to ensure proper implementation of these modifications has since been established at each SNUPPS jobsite and will be monitored by cognizant site personnel.

The attached supplement is being treated as a final report under current 10CFR50.55(e) definition. In the event additional actions are found to Il THIS DOCUMENT CONTAINS t\-

P00R QUALITY PAGES

SLNRC 80-24 May 16, 1980 Page Two be necessary to fully resolve this matter, these will be communicated to the NRC. In the interim, further questions can be addressed to Mr. S. J.

Seiken, SNUPPS QA Manager, at (301) 869-8010.

Very truly yours,

-N-< \ c Nicholas A. Petric SJS:dck/A7

Attachment:

Supplement to the Final Report on Vertical Fire Dampers cc: Mr. J.A. Keppler, Director, Region III, USNRC

,

• Mr. Karl Seyfrit, Director, Region IV, USNRC Mr. Victor Stello, Jr., Director, Office of Inspection and Enforcement, USNRC, Washington, D.C.

Document- Management-Branch, USNRC, Washington, D.C.

i

-