ML20080R971

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Notice of Consideration of Issuance of Amend to Licenses NPF-10 & NPF-15 & Proposed NSHC Determination & Opportunity for Hearing Re DNBR Calculations
ML20080R971
Person / Time
Site: San Onofre  Southern California Edison icon.png
Issue date: 09/26/1983
From: Knighton G
Office of Nuclear Reactor Regulation
To:
Shared Package
ML19276A721 List:
References
7590-01, 7590-1, TAC-51625, TAC-51626, NUDOCS 8310180177
Download: ML20080R971 (8)


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7590-01 UNITED STATES NUCLEAR REGULATORY COMMISSION SOUTHERN CALIFORNIA EDISON COMPANY, ET AL DOCKET NOS.60-361 AND 50-362 NOTICE OF CONSIDERATION OF ISSLAt:CE OF AMENDMENT TO FACILITY OPERATING LICENSES AND PROPOSED NO SIGNIFICANT HAZARDS CD:lSIDERATION DETERMINATION AND OPPORTUNITY FOR HEARING 4

The U. S. Nuclear Regulatory Commission (the Commission) is considering issuance of amendments to Facility Operating License No. NPF-10, and NPF-15, issued to Southern California Edison Company, San Diego Gas & Electric Company, tte City of Riverside, California and the City of Anaheim, California (the licensees), for operation of the San Onofre Nuclear Generating Station, Units 2 and 3 located in San Diego County, California.

In accordance with the licensees' requests of January 6, July 14, and September 23, 1983, the amendments would make the following changes:

(1) Note 5 in Table 2.2-1 of Technical Specifications 2.2.1 is changed by the deletion of a description of the spectfic methodology used,to calculate the minimum Departure from hucleate Boiling Ratio (DNBR) trip setpoint from the safety system settings.

(2) Section B 2.2.1 of the Technical Specifications is modified by the addi-tion of a description of the specific methodology used to calculate the minimum DNBR trip setpoint from the safety system settings. The netho-l dology differs from that deleted from Note 5 of Table 2.2-1 in that it includes methodology for incorporation of rod bow penalty factors into the Core Operating Limit Supervisory Systen (COLSS) anc Core Protection Calculater WC) calculattem

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, (3) The ACTION statement of Technical Specification 3/4.2.4 is changed by requiring the plant operators to " restore" the DNBR to within accep-table limits if. it goes outside such limits. The present wording requires the operators to " reduce" the DNBR to within acceptable limits if it goes outside such limits.

(4) Technical Specifications 4.2.4.4 and B 3/4.2.4 are changed to incorporate revised, burnup-dependent DNBR rod bow penalty factors. The revised factors are based on Cos6ustion Engineering Topical Report CENPD-225.

Before issuance of the proposed license amendments, the Commission will have made findings required by the Atomic Energy Act of 1954, as amended (the Act) and the Commission's regulations.

The Comunission has made a proposed determination that the amendment request involves no significant hazards consideration. Under the Commission's regulations in 10 CFR 50.92, this means that operation of the facility in accordance with the proposed amendments would not (1) involve a significant increase in the probability or consequences of an accident previously evaluated; or (2) create the possibility or a new or different kind of accident from any accident previously evaluated; or (3) involve a significant reduction in a margin of safety.

The Commission has provided guidance concerning the application of these 1

standards by providing certain examples (48 FR 14870) of amendments that are considered not likely to involve significant hazards considerations. One of the. examples relates to a change which either may result in some increase to the probability or consequences of a previously analyzed accident or may reduce in some way a safety margin, but where the results of the change are

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...... specified in the Standard Review Plan. Although the proposed action may slightly reduce the margin of safety by reducing the margin to DNBR under some operating conditions, the safety margin nevertheless remains within accepted criteria, as described in Combustion Engineering Topical Report CENPD-225, " Fuel and Poison Rod Bowing." This report was approved by the NRC staff in its letter of February 15, 1983, C. O. Thomas (NRC) to A. E. Scherer (CE).

Accordingly, the Cocmission proposes to determine that this change does not involve a significant hazards consideration.

The Comission is seeking public concents on this proposed determination.

Any comments received within 30 days after the date of publication of this notice will be considered in making any final determination. The Cornission will not nor911y make a final determination unless it receives a request for a hearing.

Concents should be addressed to the Secretary of the Comission, U. S.

Nuclear Regulatory Conmission, Washington, D. C.

20555, ATTN: Docketing and Service Dranch.

By October 31, 1983, the licensees may file a request for a hearing with respect to issuance of the acendments to the subject facility operating licenses and any persons whose interest may be affected by this proceeding and who wishes to participate as a party in the proceeding must file a written petition for leave to intervene. Request for a hearing and petitions for leave to intervene shall be filed in accordance with the Commission's " Rules of Practice for Domestic Licensing Proceedings" in 10 CFR Part 2.

If a request for a hearing or petition for leave to intervene is filed by the above date,

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7590-01 the Commission or an Atomic Safety and Licensing Board, designated by the Cocnission or by the Chairman of the Atomic Safety and Licensing Board Panel, will rule on the request and/or petition and the Secretary of the designated Atomic Safety and Licensing Board will issue a notice of hearing or an appro-priate order.

As required by 10 CFR $2.714, a petition for leave to intervene shall set forth with particularity the interest of the petitioner in the proceeding, and how that interest may be affected by the results of the proceeding. The petition should specifically explain the reasons why intervention should be permitted with particular reference to the following factors:

(1) the nature of the petitioner's right under the Act to be made a party to the proceeding; (2) the nature and extent of the petitioner's property, financial, or other interest in the proceeding; and (3) the possible effect of any order which may be entered in the proceeding on the petitioner's interest. The petition should also identify the specific aspect (s) of the subject matter of the proceeding as to which petitioner wishes to intervene. Any person who has filed a petition for leave to intervene or who has been admitted as a party may amend the petition without requesting leave of the Board up to fifteen (15) days prior to the first prehearing conference scheduled in the proceeding, but such an amended petition must satisfy the specificity requirements described above.

Not later than fifteen (15; days prior to the first prehearing conference scheduled in the proceeding, a petitioner shall file a supplement to the petition to intervene which must include a list of the contentions which are sought

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to be litigated in the matter, and the bases for each contention set forth with reasonable specificity. Contentions shall be limited to matters within the scope of the amendment under consideration. A petitioner who fails to file such a supplement W:;h satisfies these requirements with respect to at least one contention will not be permitted to participate as a party.

Those permitted to intervene become parties to the proceeding, subject to any limitiations in the order granting leave to intervene, and have the opportunity to participate fully in the conduct of the hearing, including the opportunity to present evidence and cross-examine witnesses.

If a hearing is requested, the Comission will make a final deter;f aation on the issue of no significant hazards consideration. The final determina-tion will serve to decide when tne hearing is held.

If the final determination is that the amendment request involves no significant hazards consideration, the Comission may issue the amendaent and make it effective, notwithstanding the request for a hearing. Any hearing held would take place after issuance of the amendment.

If the final determination is that the amendment involves a significant hazards consideration, any hearing held would take place before the issuance of any amendment.

Normally, the Cocnission will not issue the amendment until the expir-ation of the 30-day notice period. However, should circu7 stances change during the notice period such that failure to act in a timely way would result, for example, in derating or shutdown of the facility, the Commission may issue the license acendment before the expiration of the 30-day notice period, provided that its final determination is that the amendment involves

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7590-01 nu significant hazards consideration. The final determination will consider all public and State comments received. Should the Commission take this action, it will publish a notice of issuance and provide for opportunity for a hearing after issuance. The Coamission expects that the need to take this action will occur very infrequently.

A request for a hearing or a petition for leave to intervene must be filed with the Secretary of the Commission, U. S. Nuclear Regulatory Commission,

' Washington, D. C.

20555, Attention: Docketing and Service Branch, or may be 4

delivered to the Commission's Public Document Room,1717 H Street, N. W.,

Washington, D. C.

by the above date. Where petitions are filed Juring the last ten (10) days of the notice period, it is requested that the petitioner promptly so inform the Comission by a toll-free telephone call to Western Union at (800) 325-6000 (in Missourt (800) 342-6700). The Western Union operatcr should be given Datagram Identification Wuder 3737 and the following J

message addressed to George W. Knighton: petitioner's name and telephone number; j

date petition was mailed; plant name; and publication date and page nuder of this FEDERAL REGISTER notice. A copy of the petition should also be sent to the Executive Legal Director, U. S. Nuclear Regulatory Comission, Washington, D. C.

20555, and to Charles R. Kocher, Esq., Southern California Edison Company, 2244 Walnut Grove Avenue, P. O. Box 800, Rosemead, California 91770 cad Crrick, Herrington & Sutcliffe, Attn: David R. Pigott, Esq., 600 Montgomery Street, San Francisco, California 94111, attorneys for the licensees.

Nontimely filings of petitions for leave to intervene, amended petitions, l

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7590-01 supplemental petitions and/or requests for hearing will not be entertained absent a determination by the Commission, the presiding officer or the Atomic Safety and Licensing Board designated to rule on the petition and/or request, that the petitioner har. made a substantial showing of good cause for the granting of a late petition and/or request. That determination will be based upon a balancing of the factors specified in 10 CFR 2.714(a)(1)(1)-(v) and 2.714(d).

For further details with respect to this action, sea the application for amendment dated January 6,1983 and the supporting SCE letters dated July 14 and September 23, 1983, which are available for public inspection at the Commission's Public Document Room,1717 H Street, N. W., Washington, D. C., and at the San Clemente Library, 242 Avenida Del Mar, San Clemente, California.

Dated at Bethesda, Maryland, this th day of

, 1983.

FOR THE NUCLEAR REGULATORY COMMISSION George W. Knighton, Chief Licensing Branch No. 3 Division of Licensing

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For further details with rew ect to this action, see the cation for amendment dated January 6,1983 and the supporting SCE etters dated July 14 and Septenber 23, 1983, which are available for blic inspection at the Commission's Public Document Room,1717 H Str t, N. W., Washington, D. C., and at the San Clemente Library, 242 Aven.

Del Mar, San Cleirente, California.

Dated at Bethesda, Maryland, this h day of

, 1983.

OR THE NUCLEAR REGULATORY COMMISSION George W. Knighton, Chief Licensing Branch No. 3 Division of Licensing 9

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