ML20245L039

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Submits Proposed Suppl 1 to Amend 134 Re Application for Amend to License DPR-54,clarifying Unacceptability of Analysis Allowing Imperfections Greater than 40% of Nominal Tube or Sleeve Wall Thickness,Per Request
ML20245L039
Person / Time
Site: Rancho Seco
Issue date: 04/27/1989
From: Keuter D
SACRAMENTO MUNICIPAL UTILITY DISTRICT
To: Knighton G
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20245L043 List:
References
AGM-NPP-89-164, NUDOCS 8905050249
Download: ML20245L039 (2)


Text

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,(c') CMUD SACRAMENTO MUNICIPAL UTILITY OtSTRICT C 6201 S Street. RO, Box 15830. Sacramento CA 958521830.(916) 452 3211 AN ELECTRIC SYSTEM SERVING THE HEART OF CALIFORNIA APR 2 71989 AGM/NPP 89-164 U. S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 Docket No. 50-312 Rancho Seco Nuclear Generating Station License No. DPR-54 PROPOSED AMENDHENT NO. 134, SUPPLEMENT 1 Attention: George Knighton In response to your request, the Sacramento Municipal Utility District hereby submits Proposed Amendment No. 134, Supplement 1, which updates our previous proposed changes to be consistent with current NRC standards.

Clarification has been added regarding: (1) unacceptability of analysis allowing imperfections greater than 40% of the nominal tube or sleeve wall i thickness, (2) applicability of inspection requirement for all steam generator tubes, including those previously repaired by sleeving, (3) limitation of sleeving as the method of repair to not more than 5,000 tubes per steam generator, and (4) reference document for sleeving methodology.  !

Attached are revised Technical Specification pages 4-54 and 4-55a and added page 4-55 which reflect the clarification discussed above. Also attached are  ;

reprinted pages from the remainder of Proposed Amendment No.134 which reflect the current accepted format. I The Safety Analysis and No Significant Hazards Consideration for the District's September 24, 1986 submittal of Proposed Amendment No.134 remain valid for this supplement.

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i Pursuant to 10 CFR 50.91(b)(1), the Radiological Health Branch of the California State Department of Health Services has been informed of Proposed Amendment No. 134, Supplement 1 by mailed copy of this submittal.

Since this submittal is a supplement to Proposed Amendment No. 134, no additional license fees are required.

i Members of your staff with questions requiring additional information or clarification may contact Mr. Rob Roehler at (209) 333-2935, extension 4918.

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8905050249 890427 PDR ADOCK 05000312 P PDC f {

RANCHO SECO NUCLEAR GENERATING STATION O 1444o Twin Cities Road. Herald, CA 95638 9799;(209) 333-2935

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i George Knighton AGM/NPP 89-164 State of California SS i- County of Sacramento Dan R. Keuter, being first duly sworn, deposes and says: that he is Assistant General Manager, Nuclear Plant Manager of Sacramento Hunicipal Utility District (SMUD),

the licensee herein; that he has executed the foregoing document; that the statements made in this document are true and correct to the best of his knowledge, information, and belief, and that he is authorized to . execute this document on behalf of said licensee.

Dan R. Keuter A> ~

Assistant General Manager Nuclear Plant Manager Subscribed and affirmed to before me on this day of (/Wh , 1989.

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c-c SACRAMENTO COUNTv

Eliadeth L. Gandy Notary Public g

' MY COMM. EXP. NOV. 7.0],.L Attachment cc w/atch: J. B. Martin, NRC, Walnut Creek A. D'Angelo, NRC, Rancho Seco P. Szalinski, State of California INP0 MIPC (2) i

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