ML20199K614

Resubmits Suppl 1 to Application for Amends 152 & 136 to Licenses NPF-10 & NPF-15,respectively to Correct Clerical Error in Which Text Deleted from Cover Ltr

ML20199K614
Person / Time
Site:	San Onofre
Issue date:	02/03/1998
From:	Nunn D SOUTHERN CALIFORNIA EDISON CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
Shared Package
ML20199K618	List: ML20199K614 ML20199K637 ML20199K645
References
NUDOCS 9802060229
Download: ML20199K614 (2)

Text

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' An LD150V INTfRNMlO%4L Company February 3, 1998 U. S, Nuclear Regulatory Commission Attention: Document Control Desk Washington, D.C. 20555 Gentlemen:

Subject:

Docket Nos. 50-361 and 50-362 Amendment Application Nos. 152 and 136, Supplement 1 l Extension of the Completion Time for Safety Injection Tanks San Onofre Nuclear Generating Station l Units 2 and 3

References:

1) January 9, 1998 Letter from Dwight E. Nunn (SCE) to Document Control Desk- (NRC),

Subject:

Amendment Application Nos. 152.

and 136, Supplement 1, Extension of the Completion Time for Safety Injection Tanks, San Onofre Nuclear Generating Station, Units 2 and 3

2) CE0G CE NPSD-994 " Joint Applications Report for Safety injection System Tank A0T/STI Extension," May 1995 This letter is a re-submission of Amendment Application Nos.152 and 136, Supplement 1 (Reference 1) to facility Operating Licenses NPF-10 and NPF-15 for the San Onofre Nuclear Get erating Station Units 2 and 3, respectively.

These amendment applications consist of Proposed Change Number (PCN)-451, Supplement 1. PCN-451, Supplement 1 is being resubmitted to correct a clerical error in which text was deleted from the cover letter. No change has been made in the enclosures.

PCN-451, Supplement 1 proposes to modify Technical Specification (TS) 3.5.1 to

/

extend the Con.pletion Time for a single inoperable Safety Injection Tank (SIT) from 1 bour to 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />. Additionally, PCN-451 proposes to extend the SIT Completion Time from I hour to 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> if a single SIT becomes inoperable due to malfunctioning water level indication or nitrogen cover pressure indication /

or both.

Supplement 1 adds a new TS 5.5.2.14, " Configuration Risk j Management Program."

The purpose of the Configuration Risk Management Pfogram (CRMP) is to ensure that a proceduralized Probabilistit Risk Assessment-informed process is in

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Document Control Desk place that assesses the overall impact of plant maintenance on plant risk.

Implementation of the CRMP will enable appropriate actions to be taken or decisions to be made to minimize and control risk when perforcing on-line maintenance for Systems, Structures, and Components with a r N -informed Completion Time. Proposed TS 5.5.2.14 will be arplir cle to TS 3.5.1 because the Completion Times for TS 3.5.1 have " risk-informed Completion Times."

This license amendment is a collaborative effort by participating Combustion Engineering Owners Group (CE0G) members based on a review of plant operations, deterministic and design basis considerations, and plant risk, as well as previous generic studies and conclusions from the NRC staff in NUREG-1366,

" Improvements to Technical Specifications Surveillance Requirements," and NUREG-1432, " Standard Technical Specifications Combustion Engineering Plants."

Reference 2, which was submitted to the NRC staff for review and approval under separate cover, supports this change.

Southern California Edison (SCE) requests this amendment be issued effective as of its date of issuance, and be implemented within 30 days from the date of

• issuance. This will provide adequate time for the necessary procedure changes and training on the new Technical Specifications.

SCE requests the NRC audit the Configuration Risk Management Program prior to approval and implementation of TS 5.5.2.14.

If you would like additional information on this Technical Specification change request, please let me know.

1 Sincerely, C '

Enclosures cc: E. W. Merschoff, Regional Administrator, NRC Region IV K. E. Perkins, Jr., Director, Walnut Creek Field Office, NRC Region IV J. A. Sloan, NRC Senior Resident inspector, San Onofre Units 2 & 3 M. B. Fields, NRC Project Manager, San Onofre Units 2 and 3 S. Y. Hsu, Department of Health Services, Radiologic Health Branch O