ML20235K203
| ML20235K203 | |
| Person / Time | |
|---|---|
| Site: | Hatch  |
| Issue date: | 07/07/1987 |
| From: | Office of Nuclear Reactor Regulation |
| To: | |
| Shared Package | |
| ML20235K201 | List: |
| References | |
| TAC-64778, NUDOCS 8707160202 | |
| Download: ML20235K203 (2) | |
Text
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UNITED STATES 4
'g NUCLEAR REGULATORY COMMISSION e
7n WASHINGTON. D. C. 20555
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SAFETY EVALUATION BY THE OFFICE OF NUCLEAR REACTOR REGULATION SUPPORTING AMENDMENT N0.142 TO 1
FACILITY OPERATING LICENSE DPR-57 GEORGIA POWER COMPANY OGLETHORPE POWER CORPORATION
'3 MUNICIPAL ELEGIRIC AUTHURITY UF GEORGIA CITY OF DALTON, GEORGIA EDWIN 1. HATCH NUCLEAR PLANT, UNIT 1 DOCKET NO. 50-321, INTRODUCTION On May 28, 1987, Amendment No. 138 to Facility Operating License DPR-57 (Reference 1) was issued to Georgia Power Company (the licensee) changing certain of the Plant Hatch, Unit 1. Technical Specifications (TS). These changes pertained to the use of sodium pentaborate enriched in the isotope Boron-10 in the Standby Liquid Control System (SLCS). The changes, proposed by the licensee's letter of February 6,1987 (Reference 2) were made to meet the requirements of the Anticipated Transient Without Scram (ATWS) rule, 10 CFR 50.62.
i The staff evaluated and accepted the licensee's proposal, as documented in the-Safety Evaluation supporting issuance of Amendment 138. However, the staff requested that the licensee make provisions to periodically analyze the concentration of Boron-10 in the sodium pentaborate. solution in the SLCS.
By letter dated Lay 8,1987 (Reference 3), the licensee proposed to add a new surveillance requirement to the TS to require this analysis. The licensee proposed to add a new TS 4.4.A.2.e which would require the analysis for Boron-10 concentration prior to startup from each refueling outage.
EVALUATION This additional Technical Specification provides added assurance that the concentration of Boron-10 in the sodium pentaborate solution continues to meet the minimum of 60 weight percent B-10 upon which the TS for the Standby Liquid Control System are based.
It satisfies the staff's recommendation regarding continuing assurance of Boron-10 concentration in the SLCS and, therefore, is acceptable.
ENVIRONMENTAL CONSIDERATIONS The amendment involves a change in surveillance requirements. The 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
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cumulative occupational exposure.
The Commission has previously issued a proposed finding that the amendment involves no significant hazards con-sideration, and there have been no public comments on such finding. Accordingly, the amendment meets the eligibility criteria for categorical exclusion set i
forth in 10 CFR Section 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.
CONCLUSION The Commission made a proposed determination that the amendment involves no significant hazards consideration which was published in the Federal Register (52 FR 20800) on June 3,1987, and consulted with the state of Georgia.
No public comments were received, and the state of Georgia did not have any comments.
We have concluded, based on the considerations discussed above, that:
(1)there is reasonable assurance that the health and safety of the public will not be en-dangered by operation in the proposed manner, and (2) such activities will be conducted in compliance with the Commission's regulations, and the issuance of the amendment will not be inimical to the comon defense and security or to the l
health and safety of the public.
l
REFERENCES:
l 1.
Amendment No.138 to Facility Operating License DPR-57, issued May 28, 1987.
2.
Letter from J.P. O'Reilly, Georgia Power Company, to U.S. Nuclear Regulatory Commission, dated February 6,1987.
3.
Letter from L.T. Gucwa, Georgia Power Company, to U.S. Nuclear Regulatory Commission, dated May C, 1987.
Principcl Contributors:
L. Crocker l
l Dated: July 7, 1987 l
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