ML18100A641
| ML18100A641 | |
| Person / Time | |
|---|---|
| Site: | Salem  |
| Issue date: | 09/30/1993 |
| From: | Hagan J Public Service Enterprise Group |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NLR-N93151, NUDOCS 9310070247 | |
| Download: ML18100A641 (6) | |
Text
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Public Service Electric and Gas Company Joseph J. Hagan Public Service Electric and Gas Company P.O. Box 236, Hancocks Bridge, NJ 08038 609-339-1200 Vice President - Nuclear Operations SEP 3 0 1993 NLR-N93151 United States Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 Gentlemen:
INSERVICE INSPECTION ACTIVITIES ELEVENTH REFUELING OUTAGE SALEM GENERATING STATION UNIT NO. 1 DOCKET NO. 50-272 Public Service Electric & Gas Company (PSE&G) hereby provides in to this letter, a summary of the Inservice Inspections and Examinations to be performed during the eleventh refueling.outage for Salem Unit No. 1.
The outage is scheduled to begin October 2, 1993.
A tentative schedule for performance of the required examinations in noted on Enclosure 2.
Should there be any questions with regard to this submittal, please do not hesitate to contact us.
070036 9310070247 930930 D PDR
- ADDCK 05000272 0
- PDR..,
Sincerely,
Document Control Desk NLR-N93151 C
Mr. J. C. Stone Licensing Project Manager Mr. S. Bar.r 2
Senior Resident Inspector (Acting)
Mr. T. Martin, Administrator Region I Mr. Kent Tosch, Manager IV New Jersey Department of Environmental Protection Division of Environmental Quality Bureau of Nuclear Engineering CN 415 Trenton, NJ 08625 Mr. Emanuel J. Mossa Assistant Director New Jersey Department of Labor and Industry Off ice of Boiler and Pressure Vessel Compliance PO Box 1503, Labor and lndustry Building CN 932 Trenton, NJ 08625 SEP 3 O 1993
- NLR-N93151 ENCLOSURE 1
!SI EXAMINATION
SUMMARY
SALEM UNIT NO. 1 ELEVENTH REFUELING OUTAGE A.
Southwest Research Institute will conduct the following ISI examinations as required by ASME Section XI and Technical Specifications:
89 Manual ultrasonic examinations (includes 3 year in-place flywheel examinations on two reactor cooiant pumps.
88 Liquid penetrant examinations 8
Magnetic particle examinations Invessel Visual VT-3 NOTE The summaries listed above cover the examinations scheduled for the second inspection (outage) of the second period -
Salem Unit 1, second inspection interval.
Some of the examinations may be deferred depending on subsequent outage dates, plant conditions, and satisfying minimum percentages completed and maximum percentages credited requirements of ASME Section XI.
B.
MQS will perform Erosion/Corrosion UT thickness examinations of piping identified by Engineering.
- c.
Westinghouse Electric Corporation will conduct:
I.
Bobbin coil eddy current inspection on a random sampling of 3% of the tubes in 11 through 14 steam generators to satisfy Technical Specification surveillance requirements.
- 2.
Bobbin coil eddy current inspection of an additional 17% of the tubes in each 11 through 14 steam generators.
- 3.
Eddy current using MRPC of 20% of the tubes in 11 through 14 steam generators (hot leg only) to satisfy Wextex concerns.
- 4.
Mechanical plugging of any tube exceeding Technical Specification plugging limit in 11 through 14 steam generators.
- NLR-N93151 ENCLOSURE 1 5.
Shot peening 100% of the tubes in 11 through 14 steam generators (hot leg only) to mitigate PWSCC.
- 6.
Vent two explosive plug tops and replace eleven explosive plugs with mechanical plugs in 14 steam generator
- 7.
Steam generator secondary side inspection of 11 through 14 steam generators consisting of sludge lancing and foreign object search and retrieval.
- 8.
Helium leak test of No. 12 steam generator to locate source of suspected primary to secondary leakage observed d~ring operation.
D.
Siemens will conduct in-place functional testing of two steam generator and one main steam isolation valve hydraulic snubbers as required by Technical Specifications.
E.
PSE&G Reliability & Assessment ISI Group will conduct:
- 1.
Visual examinations of 140 snubbers (mechanical and hydraulic).as required Technical Specifications.
- 2.
Visual examinations (VT-1) of Nuclear Class 1 pressure retaining bolting on approximately 28 components as required by ASME Section XI and Technical Specifications.
- 3.
Visual examinations (VT-3) of approximately four valve internal exams as required by ASME Section XI and Technical Specifications.
- 4.
Functional testing of thirteen mechanical snubbers as required by Technical Specifications.
- 5.
Functional testing of all PSA 1/4 and PSA 1/2 mechanical snubbers due to their history of past failures (not included in Technical Specification sample population).
- NLR-N93151 ENCLOSURE 1 7""3-
- 6.
System leakage examinations as required by ASME Section XI and Technical Specifications.
- 7.
Local l~ak rate testing of all Type "B" penetrations and Type "C" valves as required by 10CFR50 Appendix J and Technical Specifications.
- 8.
The waste gas system integrated leak rate test as required by NUREG-0585.
, NLR-N93151 ENCLOSURE 2 ISI EXAMINATION
SUMMARY
SALEM UNIT NO. 1 TENTH REFUELING OUTAGE
- The Unit 1 eleventh refueling outage is scheduled to commence on October 2, 1993, and to be completed by December 12, 1993.
The anticipated starting dates for performing the ISI activities listed on Enclosure 1 are as follows:
Week of 9/27/93 Commence Type B and c local leak rate testing Commence system pressure tests Week of 10/4/93 Commence secondary side steam generator work Commence snubber visual examinations Commence Section XI NDE including visual examinations Commence erosion/corrosion examinations Commence snubber functional testing Week of 10/11/93 Commence reactor vessel internal VT-3 Week of 10/18/93 Commence primary side steam generator work Commence waste gas system leak rate test