ML15245A141
| ML15245A141 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 10/25/1979 |
| From: | James O'Reilly NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | Thies A DUKE POWER CO. |
| References | |
| NUDOCS 7911080001 | |
| Download: ML15245A141 (2) | |
Text
0RE UNITED STATES 0
NUCLEAR REGULATORY COMMISSION REGION II 101 MARIETTA ST., N.W., SUITE 3100 ATLANTA, GEORGIA 30303 October 25, 1979 In Reply Refer To:
RII:DQ 50/270 Duke Power Company Attn:
A. C. Thies Senior Vice President P. 0. Box 2178 422 South Church Street Charlotte, North Carolina 28242 Gentlemen:
Subject:
,Confirmation of Action This refers to my telephone conversation with you on October 25, 1979, regarding impaired operability of the low pressure injection system during startup of Oconee Unit 2.
This also refers to previous telephone conversations with Mr. W. 0. Parker, Jr., Vice President for Steam Production, concerning recent personnel errors which resulted in isolation of the emergency cooling water system and several unplanned releases of radioactive material.
With regard to matters discussed, we understand that you will initiate the following actions:
- 1.
Investigate the event of October 24,
- 1979, involving operation of the reactor with the required safety-related Low Pressure Injection System operability impaired due to misalignment of associated cooling water valves.
As a minimum, your investigation will include the following items:
- a.
Determine the cause of the incorrectly positioned valves.
- b.
Determine why the mispositioned valves, which have position indicators located on the main control board, were not identified by the operating staff for over sixty hours.
- 2. Initiate a special audit including representatives from the Duke Power Company corporate quality assurance and training center staffs, of the facility management control systems and personnel, to: determine the deficiencies which contributed to the events listed above.
As a minimum, this audit will include the following items:
- a.
A review of the independent verification controls which assure proper safety-related system alignment.
- b.
A review of the procedural controls which govern proper safety-related system operation.
791108001/
1li
- c.
A review of the verification controls that assure proper safety related system restoration following maintenance or testing.
- d.
A review of the verification and documentation controls which assure that all operations personnel are cognizant of the current status of all safety-related equipment, and control board switches, parameters, and alarms on each shift.
- 3. Discuss the results of your investigation and corrective actions in a meeting to be conducted in the Region II office no later than November 30, 1979.
The results of these activities will be documented in a special report following this meeting.
Please inform this office promptly if your understanding of this matter is different from that stated above.
Sincerely, mes P. O'Reilly D ector cc:
W. 0. Parker, Jr.
Vice President, Steam Pro Post Office Box 2178 Charlotte, North Carolina 28242 J. E. Smith, Station Manager Post Office Box 1175 Seneca, South Carolina 29678