IR 05000237/1979008
| ML17173A987 | |
| Person / Time | |
|---|---|
| Site: | Dresden  |
| Issue date: | 05/29/1979 |
| From: | Danielson D, Key W NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION III) |
| To: | |
| Shared Package | |
| ML17173A986 | List: |
| References | |
| 50-237-79-08, 50-237-79-8, NUDOCS 7907240138 | |
| Download: ML17173A987 (6) | |
Text
'\\
- .NUCLEAR REGULATORY COMMISSION OFFICE OF INSPECTION AND ENFORCEMENT
REGION III
Report No. 50-237/79-08 Docket No. 50-237 License No. DPR-19 Licensee:
Commonwealth Edison Company Post Office Box 767 Chicago, IL 60690 Facility Name:
Dresden, Unit 2 Inspection At:
Dresden Station, Morris, Illinois Inspection Conducted:,March 20-22, April 9-10, and May 3, 1979
~~~.-~
Inspector:
W. J. Key
),771.~l-<~-L* ~. ~-,/l-r-~-
Approved By:
D. H. Danielson, Chief Engineering Support Section 2 Inspection Summary Inspection~ on March 20-22, April 9~10, and May 3, 1979 (Report N ///Y-08 Areas Inspected:
Review of ISI Program, review of procedures, observation of work and work activities, and data review and evalua-tio The inspection involved a total of 45 onsite inspection hours by one NRC inspecto Results:
No items of noncompliance or deviations were identifie,;..
.
~*
.*
DETAILS Persons Contacted Commonwealth Edison Company (CECO)
- B. B. Stephenson, Station Superintendent
- D. Farrar, Technical Staff Supervisor
- T. Jansen, ISI Coordinator
- R. Kyrouac, Quality Control Engineer
- R. D. Geier, Quality Assurance Engineer
- R. W. Coen, Technical Staff Engineer
- M. Wright, Technical Staff Engineer D. Maxwell, Technical Staff Engineer Lambert McGill & Thomas Inc. (LMT)
E. L. Thomas, Supervisor Level III A. D. Porter, Level II Inspector E. L. Lake, Level II Inspector Superior Industrial XRay Company (SIX)
D. Gardner, Field Manager Hartford Steam Boiler W. J. Coldwell, Authorized Nuclear Inspector Functional or Proeram ArPaR TnRpPC"t.Pil In-service Inspection (ISI) Program Review The inspector reviewed Technical Specification 4.6, Table 4. and the master ISI checklist for this the first outage of the last third of the first inspection interval for Unit The program is in compliance with the requirements of ASME Code Section XI, and has been reviewed and approved by the license Procedures to be used, systems and components, method and extent of examinations are specifie The QA/QC requirements are contained in the QA manua No items of noncompliance or deviations were identified.
- 2 -
- ISI Procedure Revi~w The inspector reviewed procedures for performance of examina-tions by the following method Radiographic Examination (RT)
Ultrasonic Examination (UT)
Liquid Penetrant Examination (PT)
Magnetic Particle Examination (MT)
Visual Examination (VT)
Procedures are in compliance with the requirements of ASME Code Section V and include acceptance criteria and personnel qualifi-cation No items of noncompliance or deviations were identifie.
Observation of IS! Work Activities Verification of Equipment and Materials The inspector verified certification and calibration of the following equipment and materials scheduled for use in performance of examinations and the qualification and certification of examination personne Ultrasonic Inst~~~nts (LMT)
Nortec - Model 130, S/N-130-103XG Nortec - Model 131, S/N-111 Nortec - Model 130, S/N-13077G Nortec - Model 131D-Remote, S/N-128/146 Brush Recorder - Model 220, S/N-08343 Teac Recorder - Model 2300, S/N-32 Couplant-Glycerol, Batch No. DJZ Liquid Penetrant Materials Cleaner - Magnaflux, SKC-S Batch No. 7J070 Penetrant - Magnaflux, SKL-HF/SKL-S, Batch No. SE086 Developer - Magnaflux, SKD-S, Batch No. 53052
- 3 -
- Magnetic Particle Equipment A. C. Yoke Parker Probe, S/N2855 Radiographic Equipment (Superior)
Densitometer, Macbeth Model TD-502, S/N-2415B Survey Meter Model E-SlOG, S/N-467 Camera - TL Model 660, S/N-1480 Isotope - Ir 192, S/N-5782 The inspector reviewed radiographs of weld No. 4, line N (cap to tee weld) exposure date April 5, 197 Position N ~1 shows some lack of fussio The original radiograph of this weld, exposed on June 16, 1969, also shows this conditio The licensee is excavating this area to remove the discontinuit The area will be weld repaire The inspector observed UT examination of Recir:culaliou System vessel safe end nozzles N2A and N2C, performed by LM The examination was in accordance with the approved procedur Liquid penetrant examinations of instrumentation nozzles N16A and N16B were also observe Personnel Qualification and Certification The inspector verified the qualification and certification of the following examination personne LMT E. L. Thomas - Level III A. D. Porter - Level II E. L. Lake - Level II T. L. Alcott - Level I Aide LaTorre - Trainee S. Smith - Trainee L. Davis - Trainee
.. *
- 4 -
v rJ CECO
__... _....
J. E. Phelan - Level II Inspector D. Maxwell - Level II Inspector T. Jansen - Level II Inspector R. Ringo - Level II Inspector R. Rimmer - Level II Inspector S. Harris - Level II Inspector No items of noncompliance or deviations were identifie.
!SI Data Review and Evaluation The following examination data was reviewed by the inspecto Data Sheet No. D-049, UT examination of recirculation safe end nozzle N2 Data Sheet No. D-045, UT examination of recirculation safe end nozzle N2 DaLa Sheet No. D-028, UT examination of recirculation safe end nozzle N2 Data Sheet No. D-121, MT examination of 31 RPV nut Data Sheet No. D-008, Recirculation by-pass Weld N.
Data Sheet No. 1, Feedwater nozzle N4A inner radi Data Sheet No. D-031, Feedwater nozzle N4C safe end to pipe wel Data Sheet No. D-122, Visual examination of RPV top head closure nuts and washer Data Sheet No. D-146, UT examination of ligaments between stud No. 52 and 9 Credit was taken this outage for the augmented examination of the following as Category J welds:
CRD and vent head examination; and Recirculation by-pass loops A and No items of noncompliance or deviations were identifie (
Exit Interview The inspector met with licensee representatives (denoted in Persons Contacted paragraph) at the conclusion of the inspection on May 3, 197 The inspector summarized the scope and findings of the inspectio