ML20024F861
| ML20024F861 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 12/14/1990 |
| From: | Wilson B NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | |
| Shared Package | |
| ML20024F855 | List: |
| References | |
| 50-327-90-37, 50-328-90-37, NUDOCS 9012270055 | |
| Download: ML20024F861 (2) | |
Text
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ENCLOSURE 1 NOTICE OF VIOLATION Tennessee Valley Authority Docket Nos. 50-327, 50-328 Sequoyah Unit 2 License Nos. DPR-77, DPR-79 DuringtheNuclearRegulatoryCommission(NRC)inspectionconductedNovember6, 1990, through December 5,1990, violations of NRC requirements were identified.
In accordance with the " General Statement of policy and Procedure fer NRC Enforcement Actions," 10 CFR Part 2. Appendix C (1990), the violations are listed below:
A.
Technical Specifications 3.3.1 requires that, as a minimum, the reactor trip system instrumentation channels and interlocks of Table 3.3-1 shall be operable.
This includes operability of the Intermediate Range Monitors in operational modes 1,2 and in the configuration where the reactor trip system breakers are closed, the control red drive system is capable of rod withdrawal, and fuel is in the reactor vessel.
Contrary to the above, for the period between October 31, 1990, through November 17, 1990, Sequoyah Unit 2 operators performed several manipula-tions such as rod movements, rod drops, and initial criticality operations while-the intermediate Range Monitors were not considered operable due to a previous miscalibration.
This is a Severity Level IV violation (Supplement 1)
B.
Technical Specifications 6.8.1 requires that procedures recommended in Appendix A-of Regulatory Guide 1.33, Revision 2, be established, implemented and maintained. This includes administrative and surveillance procedures.
The requirements of TS 6.8,1 are implemented in part by Administrative Instruction Al-30, Conduct of Operations, Al-30 requires shift crews to follow established practices to effectively diagnose and manage normal, upse+ and accident conditions.
f Contrary to the above, following a reactor coolant pump trip on j
November 23, 1990, the requirements of Al-30 were not followed in that L
the Shift Operating Supervisor did not take command of the event, failing to ensure that others properly carried out their duties and properly communtcated their actions.
A Unit 2 reactor trip occurred du to the j
errors of the shift crew.
Thi? is a Severity level IV violation (Supplen* ant 1).
Pursuant to the provisions of 10 CFP 2.201, Tennessee Valley Authority is hereby required to submit a written statement or explanation to the Nuclear Regulatorv Jonsnission, ATTN: Document Control Desk, Washington, DC 20555, with a cop) to the Regional Administrator, Region II, and a copy to the NRC Resident Inspectcr, Sequoyah, within 30 days of the date of the letter transmitting this Notice.
This reply should be clearly marked as a " Reply to a Notice of 9012270055 901214 PDR ADOCK 05000327
Tennessee Valley Authority 2
Docket Nos. 50-327, 50-328 5equoyah Unit 2 License Nos. DPR-77, DPR-79 Violation" and should inc'.9 [foreachviolction]: (1) admission or de.oal of the violation, (2) the ret.n. for the violation if admitted, f 3) the corrective steps which have been taken and the results achieved, (4) the corrective steps which will be taken to avoid further violations, and (5) the date when full compliance will be achieved, Where good cause is shown, consideration will be given to extending the response time.
If an adequate reply is not received within the time specified ir this Notice, an order may be issued to show cause why the license should not be modified, suspended, or revoked or why such other action as may be proper should not be taken.
FOR THE NUCLLAR PEGULATORY COMMISSION a [4
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B uce A. Wilsen, Chief TVA Projects Dated at Atlanta, Georgia thisl % day of December 1990
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