ML16342E031
| ML16342E031 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 03/13/1998 |
| From: | NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV) |
| To: | |
| Shared Package | |
| ML16342E030 | List: |
| References | |
| 50-275-98-02, 50-275-98-2, 50-323-98-02, 50-323-98-2, NUDOCS 9803250004 | |
| Download: ML16342E031 (4) | |
Text
ENCLOSURE 1 NOTICE OF VIOLATION Pacific Gas and Electric Company Diablo Canyon Nuclear Power Plant Docket Nos.:
50-275 50-323 License Nos.: DPR-80 DPR-82 During an NRC inspection conducted on January 4 through February 14, 1998, one violation of NRC requirements was identified.
In accordance with the "General Statement of Policy and Procedure for NRC Enforcement Actions," NUREG-1600, the violation is listed below:
Technical Specification 6.8.1 states, in part, that procedures shall be implemented for the procedures recommended in Regulatory Guide 1.33, Appendix A. Regulatory Guide 1.33, Appendix A, Section 1.c, recommends a procedure for equipment control (e.g. locking and tagging).
Procedure OP1.DC20, "Sealed Valves," Revision 6, partially implemented this requirement and stated in Section 4.1.7 that "all component seals shall be installed in a manner to physically impede the operation of the component so that its operation requires that the seal be broken.
On non-throttle valves, it is acceptable for some minor movement (less than a half turn of the handwheel) is allowed as long as the seal must be broken to permit significant operation."
Contrary to the above, as of January 7, 1998, Procedure OP1.DC20 was not properly implemented in that the following sealed valves were not sealed so as to prevent operation greater than half of a turn:
CVCS-2-484A CVCS-2-486 B CVCS-2-489A CVCS-2-499B
. CVCS-2-485A CVCS-2-487A CVCS-2-489B CVCS-2-485B CVCS-2-487 B CVCS-2-498 B This is a Severity Level IVviolation (Supplement I) (50-275; 323/98002-01).
The NRC has concluded that information regarding the reason for the violation, the corrective actions taken and planned to correct the violation and prevent recurrence and the date when full compliance was achieved is already adequately addressed on the docket in the enclosed report.
However, you are required to submit a written statement or explanation pursuant to 10 CFR 2.201 ifthe description therein does not accurately reflect your corrective actions or your position.
In that case, or ifyou choose to respond, clearly mark your response as a "Reply to a Notice of Violation," and send it to the U.S. Nuclear Regulatory Commission, ATTN: Document Control Desk, Washington, D.C. 20555 with a copy to the Regional Administrator, Region IV, 611 Ryan Plaza Drive, Suite 400, Arlington, Texas 76011, and a copy to the NRg Resident Inspector at the facilitythat is the subject of this Notice, within 30 days of the date of the letter transmitting this Notice of Violation (Notice).
9803250004 9803i3 PDR ADOCK 05000275 8
Because your response will be placed in the NRC Public Document Room (PDR), to the extent possible, it should not include any personal privacy, proprietary, or safeguards information s'o that it can be placed in the PDR without redaction.
Ifpersonal privacy or proprietary information is necessary to provide an acceptable response, then please provide a bracketed copy of your response that identifies the information that should be protected and a redacted copy of your response that deletes such information. Ifyou request withholding of such material, you must specifically identify the portions of your response that you seek to have withheld and provide in detail the bases for your claim of withholding (e.g., explain why the disclosure of information will create an unwarranted invasion of personal privacy or provide the information required by 10 CFR 2.790(b) to support a request for withholding confidential commercial or financial information). Ifsafeguards information is necessary to provide an acceptable response, please provide the level of protection descnbed in 10 CFR 73.21.
Dated at Walnut Creek, California, this 13'" day of March 1998