IR 05000387/1980003
| ML17138B331 | |
| Person / Time | |
|---|---|
| Site: | Susquehanna  |
| Issue date: | 03/20/1980 |
| From: | Mcbrearty R, Lester Tripp NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I) |
| To: | |
| Shared Package | |
| ML17138B330 | List: |
| References | |
| 50-387-80-03, 50-387-80-3, NUDOCS 8006020259 | |
| Download: ML17138B331 (8) | |
Text
U.
S.
NUCLEAR REGULATORY COMMISSION OfFICE OF INSPECTION ANO ENFORCEMENT
REGION I
Report No.
50-387/80-03 Docket No.
50-387 License No.
CPPR<<101 Priority Licensee:
Penns lvania Power 8 Li ht Com an 2 North Ninth Street Allentown Penns 1 vani a 18101 Category Facility Name:
Sus uehanna Steam Electric Station Unit 1 Inspection At:
Salem Townshi Penns lvania Inspection Cond cted:
March 4-7 1980 I
inspectors:
.
A.
McB arty, Reactor Inspector L. E. Tripp, Chief, Engineering Support Section No. 1,. RC&ES Branch d te date date Approved by:
E. Tri
, Chief, Engineering Support Section No. 1, RC&ES Branch ate Ins ection Summar
Ins ection on March 4-7 1980 Re ort No. 50"387/80-03)
~l:
R i, di ties including review of PSI program and review of implementing NOE procedures; sta" tus of recirculation system modification.
The inspection involved 32.5 inspector-hours onsite by one NRC regional based inspector and one supervisor.
Results:
No items of noncompliance or deviations were identified.
Region I Form 167 (August 1979)
F 006@ g ggQg Q
DETAILS 1.
Persons Contacted Penns lvania Power 8 Li ht Com an
"R. A. Beckley, Nuclear gA Engineer
"E. Carroll, gA Engineer
"R.
H. Featenby, Assistant Project Engineer
"T. F. Oldenhage, Resident Engineer Bechtel Cor oration
"M. A. Drucker, gA Engineer
"C. Headrick, Assistant Project Field gC Engineer
"H. F. Lilligh, gA Engineer
"T. Minor, Project Field Engineer G.
Owen, Piping Engineer W. Ross, Welding Engineer
"C.. Turnbow, Field Construction Manager Factor Mutual En ineerin Association
"W.
R. Rogers, Authorized Nuclear Inspector
"Denotes those present at the exit interview.
Preservice Ins ection PSI Activities PSI Pro ram Review The preservice inspection program at the Susquehanna Steam Electric Unit 1 i,s intended to satisfy the requirements of 10 CFR 50.55a(g),
the 1974 Edition of the ASME B8PV Code,Section XI through Summer 1975 Addenda as modified by Appendix III of the Minter 1975 Addenda, and IMA-2232 of the Summer 1976 Addenda, using 50K of reference level as criteria for investigating ultrasonic reflectors.
The inspector reviewed available sections of the preservice inspection plan. as submitted by Nuclear Energy Services, Inc.
(NES) to the licens-ee.
The review was done to ascertain compliance with the applicable requirements.
The following were included in the inspector's review:
NES Document No. 80A2779,
"Susquehanna Steam Electric Station Unit No.
1 Preservice Inspection Program Plan" Bechtel Document No. 8856 M191-6-3, "Technical Specification for the Preservice Examination of Piping and Components for the Sus-quehanna Steam Electric Station Units 1 & 2."
The inspector found that the program plan, as submitted by NES, was incomplete.
The missing sections are to be furnished for the licens-ee's review and approval at a later date.
The review of the program plan disclosed the following unresolved item:
The following welds in the RHR System are scheduled for radiographic examination to meet the pSI yolumety'ic'ex~mfnatlon paquipegentq.
fear-the ASME Code, Section XI:
Valve HV-Ell-1F007A to i'lued: head Valve HY-Ell-1F007B to.$ 1ued head Yalv'e HV-Ell-1F023 to glued head Valve HV"Ell-F015A to glued head P
Valve HV-Ell-F015B to i'lued'ead Valve-HV-Ell-F008 to f'lued. head Reducer to valve PV-E11-F051A Reducer to valve PV-Ell"F051B The ASME Code,Section XI,. IWB-2100 requires that preservice examina-tions are conducted under conditions and with equipment and techniques equivalent to those that are expected to be employed for subsequent inservice examinations.
This item is unresolved pending a determination by the licensee of the ability to radiographically examine the referenced welds after the plant becomes operational.
(387/80-03-01)
b.
Review of Im lementin NDE Procedures The inspector selected the following NES, Inc. procedures for review to ascertain compliance with ASME Code requirements and for technical adequacy:
Procedure No. 80A2770, Revis'ion 2, "Ultrasonic General Requirements" Procedure No. 80A2771,,Revision 2, "Ultrasonic Examination for Piping Melds" Procedure No. 80A2775, Revision 2, "Liquid Penetrant Examination Procedure" The -inspector's review for technical adequacy in'eluded, but was not limited to, the parameters listed below for the ultrasonic and liquid penetrant examination techniques:
Ultransonic Examination (1)
The type of apparatus including frequency range is specified.
(2)
The extent of coverage, beam angles and transducer size are specified.
(3)
Calibration requirements are specified and consistent with the ASME Code.
(4)
The reference level for monitoring discontinuities is defined and scanning gain setting is consistent with the applicable ASME Code.
(5)
Acceptance limits are-consistent with ASME,Section XI.
Li uid Penetrant Examination (1)
The examination method is consistent with ASME Code requirements.
(2)
Penetrant materials used for nickel base a'Iloys and austenitic stainless steel are required to be analyzed for compliance with allowable sulfur and halogen content.
(3)
Examination surface requirements, including temperature limita-tions, are specified and consistent with ASME Code requirements.
(4)
Methods for removal of solvent removable penetrant are specified and consistent with applicable ASME Code.
Review of the above listed procedures disclosed that procedure no.
80A2771, Revision 2 permits the use of instrument reject in a possibly uncontrolled way in that if the steps listed in the procedure are fol-lowed sequentially, the reject control may be activated subsequent to performing calibration of the examination system.
This item is
unresolved pending clarification of the use reject when performing an ultrasonic examination in accordance with procedure 80A2771, Revision 2.
(387/80"03-02)
3.
Recirculati'on S stem Modification
The in'spector reviewed the status of the recirculation system modification and licensee actions directed toward a meaningful ultrasonic" examination of the riser pipe to sweepolet welds in the system.
In addition the inspec-tor visually examined the condition of the completed welds.
The following items were in progress or completed by the licensee:
Counterbore area extended and I.D. sur'face ground to minimize inter-f'erence-with the interpretation of ultrasonic examination data.
The inspector examined photographs illustrating the I.D. surface condition subsequent to the grinding operation.
NES analyzed the feasibility of performing a half'-Vee path ultrasonic angle beam examinatio'n from both sides of the double weld and offered recommendations to the licensee for O.D. surface improvement necessary to perform the ultrasonic examination.
The licensee is presently evaluating the need for O..D. surface-improve-ment and the extent of necessary work with. respect to recommendations made by NES.
Drexel University, NES and Southwest Research Institute have been con-tracted by the licensee to develop equipment and techniques to enhance the ultrasonic examination of the welds with respect to improved signal to noise ratio and interpretation/evaluation of results.
The use of an ultrasonic calibration block was discussed,and it appears that no decisi'on by the licensee has. been made in that area.
The inspec-tor stated that the use of a calibration standard containing representative welds was essential to a meaningful ultrasonic examination of the as-built configuration.
He also advised the licensee that the NRC position remains the same as stated in paragraph 4 of IE geport '5Q~387(.'79~37'fth. pal'ticulaP emphasis on the use of'
calibration standard containing welds representa-
'tive of the as-built configuration.
4.
Unresolved Items Unresolved items are items about which more information is required to ascertain whether they are acceptable items, items of noncompliance or deviations.
Two unresolved items disclosed during this inspection are discussed in paragraphs 2a and 2.
Exit Interview
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~
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The inspector met with the licensee representatives (denoted in paragraph 1)
at th'e conclusion of the inspection on March 7, 1980.
The inspector sum-marized the purpose and the scope of the inspection and the findings.
In addition to those denoted in paragraph 1, the NRC senior resident inspec-,
tor, Mr.
R. Gallo, and the NRC resident inspector, Mr.
G.
Rhoads, attended the exit meetin I