ML17292A257
| ML17292A257 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 05/10/1996 |
| From: | Bateman W NRC (Affiliation Not Assigned) |
| To: | Parrish J WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| Shared Package | |
| ML17292A259 | List: |
| References | |
| TAC-M94368, NUDOCS 9605170521 | |
| Download: ML17292A257 (6) | |
Text
- J.V.
P fh(N 1Do 102/I Chief Executive Officer 3000 George Washington Way Washington Public Power Supply System P.O.
Box 968
- Richland, Washington 99352-0968
SUBJECT:
APPROVAL OF CODE CASE N-524 FOR THE WASHINGTON PUBLIC POWER SUPPLY SYSTEM (WPPSS)
NUCLEAR PROJECT NO.
2 (WNP-2)
Dear Mr. Parrish:
On December 19, 1995, you submitted a request for approval of an alternative to the provisions of the American Society of Mechanical Engineers (ASME)
Boiler and Pressure Vessel
- Code,Section XI, "Rules for Inservice Inspection of Nuclear Power Plant Components,"
in accordance with 10 CFR 50.55a(a)(3) for WNP-2.
Your request was to use the provisions of ASME Code Case N-524 as an alternative for the examination of longitudinal welds in Class 1 and 2 piping.
We have completed our review of your request.
Our safety evaluation is provided in the enclosure.
Use of Code Case N-524 is hereby authorized pursuant to 10 CFR 50.55a(a)(3)(i),
provided that, for ferritic welds, the volumetric examinations of the adjacent circumferential welds at the intersections with the longitudinal welds.include scanning for reflectors transverse to the circumferential welds.
The use of ASME Code Case N-524 is authorized until such time as this Code Case is published in a future revision of Regulatory Guide (RG) 1. 147.
At that time, if you intend to continue to implement this Code Case, you must follow all provisions in Code Case N-524, with any limitations that are issued in the revised RG 1. 147.
1 If you have any questions, please contact J.
W. Clifford at 301-415-1352.
Sincerely, Original signed by'J. Clifford for:
William H. Bateman, Director Project Directorate IV-2 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation Docket No. 50-397
Enclosure:
Safety Evaluation cc w/encl:
See next page DOCUMENT NAME: WNP94368.CC DISTRIBUTION:
Docket File PUBLIC JRoe
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'Nr. J. V. Parrish (Nor Drop 102>)
Chief Executive Officer 3000 George Washington May Mashington Public Power Supply System P.O.
Box 968 Richland, Washington 99352-0968
SUBJECT:
APPROVAL OF CODE CASE N-524 FOR THE WASHINGTON PUBLIC POWER SUPPLY SYSTN (MPPSS)
NUCLEAR PROJECT NO. 2 ]MNP-2) (TAC NO. 894368)
Dear Nr. Parrish:
On December 19, 1995, you submitted a request for approval of an alternative to the provisions of the American Society of Mechanical Engineers (ASME)
Boiler and Pressure Vessel Code,Section XI, "Rules for Inservice Inspection of Nuclear Power Plant Components,'n accordance with 10 CFR 50.55a(a)(3) for MNP-2.
Your request was to use the provisions of AQIE Code Case N-524 as an alternative for the examination of longitudinal welds 4n Class 1 and 2 "piping.
Me have completed our review of your request.
Our safety evaluation is provided in the enclosure.
Use of Code Case N-524 is hereby authorized pursuant to 10 CFR 50.55a(a)(3)(i),
provided that, for fen itic welds, the volumetric examinations of the adjacent circumferential welds at the intersections with the longitudinal welds include scanning for reflectors transverse to the circumferential welds.
The use of ASME Code Case N-524 is authorized until such time as this Code Case is published in a future revision of Regulatory Guide (RG) 1.147.
At that time, if you intend to continue to implement this Code Case, you must follow all provisions in Code Case N-524, with any limitations that are issued in the revised RG 1.147.
If you have any questions, please contact J.
M. Clifford at 301-415-1352.
Sincerely, Original signed =by 3. Clifford for:
William H.. Bateman, Director Project Directorate IV-2 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation Docket No. 50-397
Enclosure:
Safety Evaluation cc w/encl:
See next page DOCUMENT NAME: MNP94368.CC
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.Docket File PUBLIC JRoe EAdensaa MBateman JClifford EPeyton JNitchell, EDO
- KPerkins, MCFO
- JDyer, RIV
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UNITED STATES NUCLEAR REGULATORYCOMMISSION WASHlkQTOk, D.C. 20SM-00M May 10, 1996
'Hr. J. V. Parrish (Hail Drop 1023) '..-"
Chief Executive Officer 3000 George Washington Way Washington Public Power Supply System P.O.
Box 968
- Richland, Washington 99352-096 SUIWECT:
APPROVAL OF CODE CASE N-524 FOR THE WASHINGTON PUBLIC POWER'SUPPLY SYSTEH (WPPSS)
NUCLEAR PROJECT NO. 2 (WNP-2)
(TAC NO. H94368)'.,<-'".
Dear Hr. Parrish:
On December 19, 1995, you submitted a request for approval of an alternative to the provisions of the American Society of Hechanical Engineers (ASHE)
Boiler and Pressure Vessel Code,Section XI, "Rules for Inservice Inspection of Nuclear Power Plant Components,"
in accordance with 10 CFR 50.55a(a)(3) for WNP-2.
Your request was to use the provisions of ASHE Code Case N-524 as an alternative for the examination of longitudinal welds in Class 1 and 2 piping.
We have completed our review of your request.
Our safety evaluation is provided in the enclosure.
Use of Code Case N-524 is hereby authorized pursuant to 10 CFR 50.55a(a)(3)(i),
provided that, for ferritic welds, the volumetric examinations of the adjacent circumferential welds at the intersections with the longitudinal welds include scanning for reflectors transverse to the circumferential welds.
The use of ASHE Code Case N-524 is authorized until such time as this Code Case is published in a future revision of Regulatory Guide (RG) 1.147.
At that time, if you intend to continue to implement this Code Case, you must follow all provisions in Code Case N-524, with any limitations that are issued in the revised RG 1.147.
you have any questions, please contact J.
W. Clifford at 301-415-1352.
,Sincerely, W~iJ/kf,.i~:;,'i",-
lli,am H. Bat'n,, Dire'ctor; Project, Directorate"'V-,2/-,.;. ~'-'"'",.;="
Division 'of'React'or 'Projects "- -III/IV
Offic~, oj, Nuc1e'ar Reactor Regu3ation:,;:,"
Docket No. 50-397
Enclosure:
Safety Evaluation cc w/encl:
See next page
Hr. J. V. Parrish cc w/encl:
Hr. G. 0. Smith WNP-2 Plant General
.Hapager Washington Public Power Supply System '.,'.~~
P. 0. Box 968
- Richland, Washington 99352-0968 4
a i'&
1~
II Chief Counsel (Hail Drop 396)
Washington Public Power Supply System P.O.
Box 968
- Richland, Washington 99352-0968 Hr. Frederick S. Adair, Chairman Energy Facility Site Evaluation Council P. 0.
Box 43172 Olympia, Mashington 98504-3172 Hr. D. A. Swank (Hail Drop PE20)
Regulatory and Industry Affairs Washington Public Power Supply System P.O.
Box 968
- Richland, Mashington 99352-0968 Hr. Paul R. Bemis (Hail Drop PE20)
Vice President, Nuclear Operations Washington Public Power Supply System P.O.
Box 968
- Richland, Washington 99352 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission Harris Tower L Pavilion 611 Ryan Plaza Drive, Suite 400 Arlington, Texas 76011-8064 Chairman Benton County Board of Commissioners P.O.
Box 69
- Prosser, Washington 99350-0190 Hr. R. C. Barr, Senior Resident Inspector U.S. Nuclear Regulatory Commission
,, P.O.
Box 69
- Richland, Mashington 99352-0 H. H. Philips, Jr.,
Esq.
Winston 5 Strawn 1400 L Street, N.M.
Washington, DC 20005-3502