ML20081M576
| ML20081M576 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 03/30/1995 |
| From: | Burski R ENTERGY OPERATIONS, INC. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| W3F1-95-0043, W3F1-95-43, NUDOCS 9503310300 | |
| Download: ML20081M576 (2) | |
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Wyerbrd 3 W3F1-95-0043 A4.05 PR March 30, 1995 U.S. Nuclear Regulatory Commission ATTN:
Document Control Desk Washington, D.C. 20555
Subject:
Waterford 3 SES Docket No. 50-382 License No. NPF-38 10CFR50 Appendix J, Exemption to Type A Test Schedule Gentlemen:
Entergy Operations, Inc., on November 16, 1993, submitted to the NRC via letter W3F1-93-0098 an exemption request to 10CFR50 Appendix J, to change the periodic test schedule for Type A test. The purpose of this letter is to provide a formal response, see Attachment I, to questions raised by the NRC staff regarding that submittal.
Please contact me or Robert J. Murillo at (504) 739-6715 should there be any questions regarding this submittal.
Very truly yours, R.F. Burski Director Nuclear Safety f
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RFB/RJM/tmm b
Attachment
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cc:
L.J. Callan (NRC Region IV), C.P. Patel (NRC-NRR),
R.B. McGehee, N.S. Reynolds, NRC Resident Inspectors Office 9503310300 950330 PDR ADOCK 05000382 P
PDR l
Attachment I to W3F1-95-0043 Page l of 1 A.
Compliance with 10CFR 50.12(a)(1)
The exemption request submitted via letter W3F1-93-0098 meets 10CFR 50.12(a)(1).
The delaying of the Type A test in accordance with the Waterford 3 exemption request (letter W3F1-93-0098) or the February 10, 1995, Clyde Y. Shirak NRC Memorandum will not present an undue risk to the public health and safety, and is consistent with the common defense and security. This conclusion is based on the following Waterford 3 specific information.
The Waterford 3 Type A test history provides substantial justification for the proposed test. schedule. Three type A tests have been performed over an eight (8) year period with successful results.
The tests indicate that Waterford 3 has a low leakage containment and that the leakage has never exceeded 24.6% of La-There are no structural mechanisms which would adversely affect the structural capability of the containment and that would be a factor in extending the Type A test schedule. A risk impact assessment was performed, and a determination was made that there is no risk impact as a result of changing the Type A test schedule. The proposed change will not involve a significant increase in the probability or consequences of any accident previously evaluated, and therefore, there is no undue risk to the public health and safety.
B.
Tvoe B and C As Found/As left Test Total Leakaaes The 1983 Integrated Leakage Rate Test Final Report was submitted by W3P83-2399 dated July 19, 1983.
The Type B and C As Found/As Left test total leakages are shown below for the initial preoperational Type A test (April 30, 1983), first periodic Type A test (May 23, 1988), second periodic Type A test (May 12,1991), and the RF06 Type B & C tests (May 1994).
These Type B and C As Found/As Left test total Leakages demonstrate a low leakage containment and significant margin between As Found/As left test total leakages and the maximum acceptable leakage rate.
The information provided below indicates as-left minimum pathway leakage below 0.6 La (630,697 sccm).
TYPE B TYPE C YEAR AS FOUND AS LEFT AS FOUND AS LEFT 1983 3.37 SCCM 3.37 2142.61 2369.95 1988 20918.1 36270.3 619610 23600 1991 7025.89 10185.69 52872.6 21733.1 1994 NA 19031.67 l
NA 33884.6 i
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