ML20236F559
| ML20236F559 | |
| Person / Time | |
|---|---|
| Site: | Cooper  |
| Issue date: | 06/30/1998 |
| From: | Hall J NRC (Affiliation Not Assigned) |
| To: | Horn G NEBRASKA PUBLIC POWER DISTRICT |
| References | |
| TAC-MA1163, NUDOCS 9807020210 | |
| Download: ML20236F559 (4) | |
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' Mr. G. R. Hom June 30, 1998 Sr. Vice President of Energy Supply Nebraska Public Power District 141415th Street Columbus, NE 68601
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION RELATED TO REQUESTS FOR RELIEF FROM CERTAIN ASME CODE REQUIREMENTS FOR INSERVICE l
lNSPECTION FOR THE COOPER NUCLEAR STATION (TAC NO. MA1163)
Dear Mr. Hom:
By letter dated February 24,1998, the Nebraska Public Power District submitted several requests for relief related to the first 10-year interval Containment inspection Program for the Cooper Nuclear Station. Based on our ongoing review of these relief requests (RC-01 through RC-06),
the staff has developed the enclosed request for additional information (RAl).
You are requested to provide a response to the enclosed RAI within 30 days of the receipt of this letter. If there are any questions conceming the RAI, please contact me by phone at (301) 415-1336, or by e-mail, at jrh@nrc. gov on the Intemet.
Sincerely, ORIGINAL SIGNED BY:
James R. Hall, Senior Project Manager Project Directorate IV-1 Division of Reactor Projects Ill/IV Office of Nuclear Reactor Regulation Docket No. 50-298
Enclosure:
Request for Additional Information cc w/ encl: See next page T
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%'+***e June 30, 1998 Mr. G. R. Hom i
Sr. Vice President of Energy Supply l
Nebraska Public Power District 141415th Street Columbus, NE 68601 l
SUBJECT:
REQUEST FOR ADDITIONAL INFORMATION RELATED TO REQUESTS FOR l
RELIEF FROM CERTAIN ASME CODE REQUIREMENTS FOR INSERVICE l
INSPECTION FOR THE COOPER NUCLEAR STATION (TAC NO. MA1163)
Dear Mr. Hom:
By letter dated February 24,1998, the Nebraska Public Power District submitted several requests l
for relief related to the first 10-year interval Containment inspection Program for the Cooper l
Nuclear Station. Based on our ongoing review of these relief requests (RC-01 through RC-06),
l the staff has developed the enclosed request for additionalinformation (RAl).
You are requested to provide a response to the enclosed RAI within 30 days of the receipt of this letter. If there are any questions conceming the RAI, please contact me by phone at (301) 415-1336, or by e-mail, at Jrh@nrc. gov on the Intemet.
l Sincerely, tpl es R. He'l, Senior Project Manager Project Directorate IV-1 Division of Reactor Projects lil/lV Office of Nuclear Reactor Regulation 1
Docket No. 50-298
Enclosure:
Request for AdditionalInformation ccw/ encl: See next page
Mr. G. R. Hom Nebraska Public Power District Cooper Nuclear Station j
cc:
Mr. John R McPhail, General Counsel Lincoln Electric System i
Nebraska Public Power District ATTN: Mr. Ron Stoddard P. O. Box 499 1040 O Street Columbus, NE 68602-0499 Box 80869 Lincoln, NE 68501 Nebraska Public Power District j
ATTN: Mr. J. H. Swalles
'MidAmerican Energy Vice President of Nuclear Energy ATTN: Dr. William D. Leech, Manager-Nuclear P. O. Box 98 907 Walnut Street Brownville, NE '68321 P. O. Box 657 Des Moines, IA 50303-0657 Randolph Wood, Director Nebraska Department of Environmental Nebraska Public Power District Control ATTN: Mr. B. L Houston, Nuclear P. O. Box 98922 Licensing & Safety Manager Lincoln, NE 68509-8922 P. O. Box 98 Brownville, NE 68321 Mr. Larry Bohlken, Cha!rman Nemaha County Board of Commissioners -
Nemaha County Courthouse 1824 N Street Aubum, NE 68305
. Senior Resident inspector' U.S. Nuclear Regulatory Commission P. O. Box 218 Brownville, NE 68321 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 1000
~ Arlington,TX 76011 Ms. Cheryl Rogers, LLRW Program Manager Division of Radiological Health Nebraska Department of Health 301 Centennial Mall, South P. O. Box 95007 Lincoln, NE 68509 5007 Mr. Ronald A. Kucera, Department Director
. ofIntergovemmentalCooperation Department of Natural Resources P.O. Box 176
' Jefferson City, MO 65102
REQUEST FOR ADDITIONAL INFORMATION REl.ATED TO REQUESTS FOR RELIEF FROM CERTAIN ASME CODE REQUIREMENTS FOR INSERVICE INSPECTION COOPER NUCLEAR STATION
Reference:
Letter from J. H. Swailes to USNRC dated February 24,1998.
Subject:
Containment inspection Program, Cooper Nuclear Station.
1.
In the Basis for Relief request No. RC-01 (Ref.), you state that the NDE personnel are qualified and certified in accordance with a written practice based on ASNT SNT-TC-1 A, 1984 Edition, and not using ANSI /ASNT CP 189. Inclusion of CP 189 in the 1992 Edition and later Editions ar:d Addenda of the Code suggests that it is an experience-based improvement over the SNT-TC-1 A. Also, it is a consensus (ANSI) standard.
(a) Provide your plans to implement Subarticle IWA-2300 (1992 Edition and Addenda) for qualifying NDE personnel for all the ASME Section XI components and containment in particular.
(b) Explain how the use of SNT-TC-1 A for visual examinations satisfies the standards for visual acuity given in Table IWA-23221 of IWA-2320.
2.
In the Basis for Relief request No. RC-03 (Ref.), you state that neither paint nor coatings contribute to the structural integrity or leak tightness of the containment and that the adequacy of applied paintings is verified through the CNS Primary Containment Maintenance Painting procedure. With respect to the CNS coating program, provide the following information related to the Service Level 1 coating (i.e., protective coating (s) used inside the containment):
Standards, procedures, or guidelines used for: (1) surface preparation, application, surveillance and maintenance activities for protective coatings, and (2) documenting the quality and condition of reapplied paint.
3.
RC-04 requests relief from the requirements of IWE-2420(b) and (c), related to successive examinations. The request does not provide any discussion of quality and safety when the flaws and degradation areas are accepted by engineering analysis (lWE-3122.3). Discuss your plans for monitoring the progression of the flaws and degradation areas when they are accepted by engineering analysis.
4.
With respect to Relief request No. RC-05 related to bolted connections, explain how the preload, and the condition, of the bolts of the pressure-unseating containment penetrations are monitored and maintained. Provide a list of such penetrations in the CNS containment and the procedures used to monitor and maintain the functionality of
- their bolts.
ENCLOSURE L
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