IR 05000344/1980022
| ML20002A233 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 10/01/1980 |
| From: | Dodds R, Narbut P NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION V) |
| To: | |
| Shared Package | |
| ML20002A232 | List: |
| References | |
| 50-344-80-22, IEB-79-13, IEB-80-08, NUDOCS 8011050402 | |
| Download: ML20002A233 (4) | |
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U. S..lUCLEAR REGULATORY C0iiAISSIO;l 0FFICE OF IllSPECT10:1 A;10 EilFORCE 1EilT REGI0il V Report ilo.
50-344/do-22 Docket ilo.
50- M4 License ilo.
HPF-1 Safeguards Group Licensee:
Portland General Electric Company 121 S. 4. Saliaan Street Portland, Oregon 97204 Facility ilaue:
Trojan Inspection at:
dainier, dreuon Inspection conducted:
Seate ncer d-12,19d0
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iarcut. Reactor inspector
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Approved by:,'
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Jat6 S'igned R. T. Ocuds, Chief, Reactor Engineering Support Section, Reactor Construction and Engineering Support Branco Suataary:
Inspection on Septeober J-12, Ic) (Report Jo. 50-344/30-22)
Areas Inspected:
Routine unannounced inspection by regional based inspector of facility modification activities and activities related to IE Bulletins 79-13 and d0-03.
The inspection involved 23 inspector hours onsite and 7 inspector hours in the corporate offices by one :lRC inspector.
Results:
ilo ites.is of noncoinpliance or deviations were identified.
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l DETAILS 1.
Individuals Contacted a.
Portland General Electric Company (PGE)
' *A. S. Orser,.itanager Operations and liaintenance
- 0. F. Kielblock, danager Plant Services
- C. A. Olmstead, danager Technical Services
- J. 'K. Aldersecaes, Resident Engineer
- J. D. Reid, QA Supervisor
- H. R.' Sager,'QA Engineering Supervisor
- J. C. Perry, Administrative Engineer.
G. Hutcherson, Construction Coordinator
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J. W. Swan, Maintenance Supervisor l
l C. B. Shaw, Staff Mechanical Engineer A. O. Uogen, Staff !!echanical Engineer F. Rogen, Chief Mechanical Engineer 5. Christiansen, Manager Generation Engineering
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Liechtel Power Corporation
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- H. F. Jauoenheyer, Field Construction Manager
- Denotes attendance at Management Interview on September 12, 1980 unicn was also attended by H. Malmros, i4RC Resident Inspector.
2.
Licensee Action on Previous Inspection Findings (0 pen) Unresolved items (60-344/30-03/03 -04, -05, -06)
These items dealt with pressurizer code safety valves.
The licensee
'nad not cc:apleted review of the items.
At the exit interview licensee manacciiient connitted to complete the review and implement necessary actions by-issulng a change to the code safety valve maintendnce and test procedure.
They further Colanitted to issue tne procedure change by the er;d of October 1930.
3.
IE Julletin 79-13 " Cracking in Feeduater System Piping" The inspector examined the licensee's bulletin responses dated July 10, 1930, September 10, 1979, August 24, 1979, August 28, 1979 and July-13, 1979.
The letter of July 18, 1930 explains the improved ultrasonic-examination technique and defines the indication depth as 0.123 incnes.
Since-the wall thickness in the area of the indication is 0.38 inches the indication is 14% 'of wall thickness whicn is greater than the 10% of wall thickness allowed by ASME Section XI, Paragraph IWd-3514.
In earlier ul trasonic assessments
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of the inJication depth, reported in the letters of August 24 and 2J.1979, tne licensee assessed tne indication as a to 10.6% of Wdll and stated a structural analysis would be performed.
The licensee representative stated a preliuinary analysis had been performed and the results indicated that a defect of up to 0.600 incnes would ce acceptable for continued service by fracture mechanics analysis.
The licensee further stated a sonic leak detection system nad been installed on the feedwater nozzles.
The inspector examined specific details of the ultrasonic examination including Mdterial and thickness of the calibration block versus the actual reducer wall, tne taickness of the reducer wall in tne area of tne indication, and the shape of the calibration notch.
The inspector diso examined ene radiographs of tne indication.
In a meeting at the corporate offices on September 10, 1900, the licensee representatives committed to supplement their response to IE Bulletin 79-13 and u)
provide tne justification for acceptance of the 14% of wall indication.
Tnis iteu will be examined furtner af ter receipt of the suppleaental response to tne bulletin.
(Itea 50-344/60-22/01)
4.
IE dulletin 80-Od " Examination of Containment Liner Penetration Jelds" Tne bulletin requested infonaation regarding rafdograpny of contain-ment penetration flued head to outer sleeve butt welds.
Tne licensee's written response dated August 20, 19d0 stated that docwaentation for 11 weids nad not yet been located.
At the meeting at the corporate of fices on September 10,19JO the licensee representative stated radiograpas of the approxiniately 60 welds were available and coaaitteu to resolve the actions regarding the missing documentation for tne 11 remaining welds prior to the next refueling outage.
This item will be inspected furtner in a future inspection.
(Item a0-J4,/du-22/02)
6.
Control ouiluing.iall iloJifications The inspector examined excavation wort for the J' wall footing and the coluan exposure at 3' 41 for conformance to tne raquirenients of License maendment #47 dated July 25, 1900 to License JPF-1.
The inspeccur ooserved that the prerequisites of Work Plan Jo.
G/C-6J1 Rev. 1 " Demolition Work for Jew J' Line Foundation and Jall" had been properly signed off, fire watches nad been set, a supervisor was monitoring work operations when excavating near diesel oil lines and service water lines, care was exercised in excavating around those lines, and the work area was policed and cleaned during the excavation.
The inspectur observed that the Work Plan had been properly approved by licensee qA and Operations personnel as well as decntel personnel.
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Tne inspector examined reinforcing steel and steel beams which were-exposed as part of the excavation and would be reincorporated in the wall af ter modification.
do structurally significant damage was observed as a result of the process of excavation and demolition of concrete with pneumatic hammers.
The inspector examined tne receipt inspection procedures and purchase specifications and receipt inspection records for the onsite inventory of reinforcing bar, cadweld material, grout, and weld rod (E 7013).
Chemical and physical certifications of conformance were examined and determined to be in accordance with applicable standards.
Tne inspector examined the onsite storage of reinforcing steel, weld rod and grout.
Storage conditions were found to be in accordance with applicable codes and standards except for the grout which was not stored indoors as required by AJSI d45.2.2.
The licensee had tne grout moved indoors immediately upon notification.
Only six bags of grout were onsite at the time and nad been stored on pallets and covered by plastic sneet under a trailer ' overhang.
Tne licensee representative stated tne future major shipments of grout would be stored in accordance with AdSI d45.2.2.
Tne inspector nad no further questions.
do items of noncompliance or otner deviations were identified.
6.
Exit Interview At the conclusion of the inspection a meeting was held with the licensee aad contractor representatives denoted in paragrapn 1.
The scupe and findings of the inspection were discussed.
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