ML20044D946
| ML20044D946 | |
| Person / Time | |
|---|---|
| Site: | Millstone  |
| Issue date: | 05/17/1993 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20044D932 | List: |
| References | |
| NUDOCS 9305210131 | |
| Download: ML20044D946 (2) | |
Text
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NUCLEAR REGULATORY COMMISSION ih!
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WASHINGTON. D.C. 20556-0001
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SAFETY EVALUATION BY THE OFFICE OF NUCLEAR REACTOR REGULATION E TED TO AMENDMENT NO.
62 TO FACILITY OPERATING LICENSE NO. DPR-21 NORTHEAST NUCLEAR ENERGY COMPANY MILLSTONE NUCLEAR POWER STATION. UNIT 1 DOCKET NO. 50-245
1.0 INTRODUCTION
By letter dated March 12 1993, the Northeast Nuclear Energy Company (NNECO) submitted a request for a change to the Millstone Nuclear Power Station, Unit 1 Technical Specifications (TS). The requested change would replace the reference to subsection 3.7.A.7 in Limiting Condition for Operation (LCO) 3.7.A.2.a(4) with a specific requirement to initiate an orderly shutdown if the provisions of 3.7.A.2.a(1) and (2) cannot be met.
2.0 BACKGROUND
By letter dated June 15, 1992, the NRC staff issued Amendment No. 57 to the operating license of Millstone Unit 1.
The amendment pertained to containment high-range radiation monitors, containment pressure monitors, and containment water level monitors.
In addition, the amendment changed each subsection of Section 3.7.A, Containment Systems, to include its own specific LCO rather than having an overall requirement at the end of Section 3.7.A.
The action associated with LC0 3.7.A.2.a(4) was, however, not included due to an oversight.
Therefore, LC0 3.7.A.2.a(4) continues to reference Subsection 3.7.A.7 which was formerly the over#,1 LC0 for Section 3.7.A (now it is the LCO for containment high-range radiation monitors).
3.0 EVALUATION The proposed change maintains the original intent of the reference to subsection 3.7.A.7 by requiring that an orderly shutdown be initiated and the reactor placed in the COLD SHUTDOWN or REFUEL CONDITION within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> unless the drywell to suppression chamber differential pressure is restored to greater than or equal to 1.0 psid.
This change is purely administrative in nature, as requirements are neither being added nor deleted. The change corrects an administrative oversight.
The action to be taken if the provisions of 3.7.A.2.a(1) and (2) cannot be met are being incorporated directly rather than having a reference to the appropriate action.
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9305210131 930517 DR ADOCK 0500 5
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4.0 STATE CONSULTATION
In accordance with the Commission's regulations, the Connecticut State official was notified of the proposed issuance of the amendment. The State official had no comments.
5.0 ENVIRONMENTAL CONSIDERATION
The amendment changes a requirement with respect to installation or use of a facility component located within the restricted area as defined in 10 CFR Part 20. The NRC staff has determined that the amendment involves no significant increase in the amounts, and no significant change in the types, of any effluents that may be released offsite, and that there is no significant increase in individual or cumulative occupational radiation exposure. The Commission has previously issued a proposed finding that the amendment involves no significant hazards consideration, and there has been no public comment on such finding (58 FR 19484). Accordingly, the amendment meets the eligibility criteria for categorical exclusion set forth in 10 CFR 51.22(c)(9).
Pursuant to 10 CFR 51.22(b) no environmental impact statement or environmental assessment need be prepared in connection with the issuance of the amendment.
6.0 CONCLUSION
The Commission has concluded, based on the censiderations discussed above, that:
(1) there is reasonable assurance that tne health and safety of the public will not be endangered by operation in the proposed manner, (2) such activities will be conducted in compliance with the Commission's regulations, and (3) the issuance of the amendment will not be inimical to the common defense and security or to the health and safety of the public.
Principal Contributor:
J. Andersen Date: May 17, 1993 i
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