IR 05000327/1980051
| ML19350A231 | |
| Person / Time | |
|---|---|
| Site: | Sequoyah  |
| Issue date: | 02/05/1981 |
| From: | Dance H, Ford E NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II) |
| To: | |
| Shared Package | |
| ML19350A229 | List: |
| References | |
| 50-327-80-51, 50-328-80-29, NUDOCS 8103130167 | |
| Download: ML19350A231 (4) | |
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i UNITED ST ATES
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NUCLEAR REGULATORY CC MISSION
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REGION 11
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101 M A RIE TT A ST., N W. SUlT E 3100
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ATL ANTA. GEOPGI A 30333
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Licensee: Tenressee Valley Autr.ority t..* n. a r a........ r a_ n_.
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Cnattanooga, TN 37401
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H. C. Dance, Sec. ion Cnie, R^'.5 Erancn C1.e 54 ;w SUMMARY
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Areas Inspacted This routine, unannounced inspection-lved 22 insrector-hours on site in the
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areas of operational safety verifica
'., power a s c e r, s i o n testing, reportable c. ~a 1 ~%.. o. ~%.
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identified.
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8103130167.._ _ - - -
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DETAILS
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Persons Contacted
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Licensee Employees
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- J. M. Ballentine, Plant Superir.tendent I
"W. T. Cottle, Assistant Plant Superintendent R. Fortenberry, Reactor Engineer l.
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14. J. Glasser, Quality Assurance Coordinator
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W. H. Xinsey, Results Supervisor R. J. Kitts, Healtn rnysics supervisor
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Other licensee employees contacted included three shift operations advisors,
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two preoperational tes: engineers, six operators, fcur security force
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nembers, two health physics technicians, and of fice personnel.
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" Attended exit interview 2.
Exit Interview l
i The inspection scope and findings were summarized on December 31,1980, wi th i
- hose persons indicated in Paragraph I above.
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Licensee Action on Previous Inspecticn Findings Not inspected 4.
Unresolved Items Unresolved items were not identified during this inspection.
5.
Operational Safety Verification The inspector. toured various areas of Unit I and 2 during the inspection.
The following activities were reviewed / verified:
a.
Adherence to limiting conditions for. operation' which were direct'ly observable from the control room panels.
Control board' instrumentation _and recorder traces.
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Proper control room and shif t manning-.
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. The use of approved operating procedures.
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Unit operator and shif t engineer logs.
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- General = shif t operating practices.
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Housekeeping practices.
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Measures to exclude foreign materials frca entry into clean systems.
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Personnel, package, and vehicle access control for the Uni: 1 protect-
area.
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General shift sacurity practices on post manning, vital area access p
.ontrol and security force response to alarms.
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Surveillance testing and startup testing in progress.
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During a routine tour of the control room, the inspect. noted a high number of annunicator alarms on the radiation monitoring panel. Discussions with
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an auxiliary unit operator, the shift engineer and assistant plant sucer-intendent revealed that the unit had been experiencing numerous spurious
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alarms due to motors starting, welding and other noise generators. 'dork was in progress to identify and shield these sources and the radiation monitors
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to eliminate the proolem. A cedicated operator was monitoring,1cgging, ard
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examining alarm validity.
1-On two occasions during the inspection period the licensee experien4:ed smali
- releases of gaseous and/or particulate activity in the auxiliary building of
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Urji t 2.
In these instances there was no significant personnel contemination or exposure and levels were below minimum permissible concentraticns.
The licensee has formulated a program of trouble shooting to identify and stop
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intermittent leaks and sources of activity.
The inspector reviewed the t
licensee's actions to protect personnel and considers them cdequate.
Region II management has been kept informed of these problems as they
developed.
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No items of noncompliance or deviations were identified.
6.
Power Ascension Testing
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During the inspection the ir. pector witnessed portions of S/U 8.1,
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Power Coefficients _and Integral Power Defect Measurenents.
The inspector verified proper shif t manning and crew performance, proper l
use of approved procedure and - related test ecuipment, initial
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conditions and prerequisites, data properly collected for analysis and overall tast acceptance criteria had been met.
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The inspector discussed.S/U 8.68, Axial Zenon Oscillation, with the L
reactor ' engineer and reviewed portions of collected data.
In
particular, the recorded cumulative time outside of the _ target band for
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Axial Flux Difference was noted to, be less than 15 hours1.736111e-4 days <br />0.00417 hours <br />2.480159e-5 weeks <br />5.7075e-6 months <br /> which is within the 16 hour1.851852e-4 days <br />0.00444 hours <br />2.645503e-5 weeks <br />6.088e-6 months <br /> limited set by Technical Specification 3.2.1.
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