ML16343A673
| ML16343A673 | |
| Person / Time | |
|---|---|
| Site: | Diablo Canyon  |
| Issue date: | 06/12/1995 |
| From: | Bateman W NRC (Affiliation Not Assigned) |
| To: | Rueger G PACIFIC GAS & ELECTRIC CO. |
| Shared Package | |
| ML16342C953 | List: |
| References | |
| TAC-M92136, TAC-M92137, NUDOCS 9506280385 | |
| Download: ML16343A673 (8) | |
Text
Mr. Gregory M. Rueger Nuclear Power Generation, B14A Pacific Gas and Electric Company 77 Beale Street, Room 1451 P. 0.
Box 770000 San Francisco, California 94106 June 12, 1995
SUBJECT:
APPROVAL OF CODE CASE N-498-1 FOR CLASS 3
COMPONENTS FOR DIABLO CANYON NUCLEAR POWER PLANT, UNIT NO.
1 (TAC NO. M92136)
AND UNIT NO.
2 (TAC NO. H92137)
Dear Hr. Rueger:
The staff reviewed and evaluated the information provided by the Pacific Gas and Electric Company (PG&E) in its letter dated April 18, 1995, related to relief from the PG&E Inservice, Inspection (ISI) program.
V PG&E requested approval, for.use of the alternative rules of American Society of Mechanical Engineers (ASHE)Section XI Code Case N-498-1, dated Hay 11, 1994, "Alternative Rules, for 10-Year-System Hydrostatic Testing for Class 1,
2, and 3 Systems", for "10-year,'ydrostatic testing on Class 3 systems.
Based on the information sub'mitted, PG&E's,alternative is authorized pursuant to 10 CFR 50".55a(a)(3)(ii) 'because corn'pliance with the specified requirements of thisSection XI requirement,; would, res'ult in>hardship or unusual difficulty without a ',compensating increas'e in 'the level of quality and safety.
Use of Code Case'N'-'498-, li'is authorized. until "such-time as this code case is published in a futu're'evision'of Regulatory "Guide 1. 147.
At that time if the licensee intends to continue'.to implement,'this code".,'case, the licensee is to follow all provisions;in Code!'Case N-498-..1, with limitations issued in Regulatory Guide
- 1. 147, 'if any.
Th'e staff's-.'eval,uation,and conclusions are contained in the enclosed safety evaluation.:,'",
Sincerely, ORIGINAL SIGNED BY:
William H. Bateman, Director
'Project Directorate IV-2 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation Docket Nos.
50-275 and 50-323
Enclosure:
Safety Evaluation cc w/encl:
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Nr. Gregory M. Rueger Nuclear Power Generation, B14A Pacific Gas and Electric Company 77 Beale Street, Room 1451 P. 0.
Box 770000 San Francisco, California 94106 dune 12, 1995
SUBJECT:
APPROVAL OF CODE CASE N-498-1 FOR CLASS 3 COMPONENTS FOR DIABLO CANYON NUCLEAR POMER PLANT, UNIT NO.
1 (TAC NO. 892136)
AND UNIT NO.
2 (TAC NO. H92137)
Dear Nr. Rueger:
The staff reviewed and evaluated the information provided by the Pacific Gas and Electric Company (PG&E) in its letter dated April 18, 1995, related to relief from the PG&E Inservice Inspection (ISI) program.
PG&E requested approval for use of the alternative rules of American Society of Mechanical Engineers (ASHE)Section XI Code Case N-498-1, dated May ll, 1994, "Alternative Rules for 10-Year System Hydrostatic Testing for Class 1,
2, and 3 Systems" for 10-year hydrostatic testing on Class 3 systems.
Based on the information submitted, PG&E's alternative is authorized pursuant to 10 CFR 50.55a(a)(3)(ii) because compliance with the specified requirements of thisSection XI requirement would result in hardship or unusual difficulty without a compensating increase in the level of quality and safety.
Use of Code Case N-498-1 is authorized until such time as this code case is published in a future revision of Regulatory Guide 1. 147.
At that time if the licensee intends to continue to implement this code case, the licensee is to follow all provisions in Code Case N-498-1, with limitations issued in Regulatory Guide
- 1. 147, if any.
The staff's evaluation and conclusions are contained in the enclosed safety evaluation.
Sincerely, ORIGINAL SIGNED BY:
Milliam H. Bateman, Director Project Directorate IV-2 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation Docket Nos.
50-275 and 50-323
Enclosure:
Safety Evaluation cc w/encl:
See next page DISTRIBUTION Docket File PUBLIC MRussell/FHiraglia RZimmerman RSpessard EAdensam MBateman 8@4&hrAI flag
+;)P<
JHitchell, EDO
- KPerkins, MCFO OC/LFDCB
- BBeach, RIV JLieberman JHannon EPeyton OGC GHill (2)
OPA DOCUMENT NAME:
DCN498-1.RL
- For previous concurrences see attached ORC OFC LA:PDIV-2 2
0 ECGB*
PDIV-2/D NAME DATE
~ey on 5~/95 GBa chi 5/25/95 N ilier 5/Qi 95 OFFICIAL RECORD COPY 5/
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UNITED STATES NUCLEAR REGULATORY COMMISSION WASHINGTON, D.C. 20555-0001 June 12, f995 Hr. Gregory M. Rueger Nuclear Power Generation, B14A Pacific Gas and Electric Company 77 Beale Street, Room 1451 P.
O.
Box 770000 San Fr anci sco, California 94106
SUBJECT:
APPROVAL OF CODE CASE N-498-1 FOR CLASS 3 COMPONENTS FOR DIABLO CANYON NUCLEAR POWER PLANT, UNIT NO.
1 (TAC NO. H92136)
AND UNIT NO.
2 (TAC NO. H92137)
Dear Hr. Rueger:
The staff reviewed and evaluated the information provided by the Pacific Gas and Electric Company (PG&E) in its letter dated April 18, 1995, related to relief from the PG&E Inservice Inspection (ISI) program.
PG&E requested approval for use of the alternative rules of American Society of Hechanical Engineers (ASHE)Section XI Code Case N-498-1, dated May ll, 1994, "Alternative Rules for 10-Year System Hydrostatic Testing for Class 1,
2, and 3 Systems" for 10-year hydrostatic testing on: Class 3 systems.
Based on the information submitted, PG&E's alternative is authorized pursuant to 10 CFR 50.55a(a)(3)(ii) because compliance with the specified requirements of thi.sSection XI requirement would result in hardship or unusual difficulty without a compensating increase in the level of quality and safety.
Use of Code Case N-498-1 is authorized until such time as this code case is published in a future revision of Regulatory Guide 1. 147.
At that time if the licensee intends to continue to implement this code case, the licensee is to follow all provisions in Code Case N-498-1, with limitations issued in Regulatory Guide
- 1. 147, if any.
The staff's evaluation and conclusions are contained in the
'nclosed safety evaluation.
William H. Bateman, Director Project Directorate IV-2 Division of Reactor Projects III/IV Office of Nuclear Reactor Regulation Docket Nos.
50-275 and 50-323
Enclosure:
Safety Evaluation cc w/encl:
See next page
I 1
-r
Mr. Gregory M. Rueger cc w/encl:
NRC Resident Inspector Diablo Canyon Nuclear Power Plant c/o U.S. Nuclear Regulatory Commission P. 0.
Box 369 Avila Beach, California 93424 Dr. Richard Ferguson, Energy Chair Sierra Club California 6715 Rocky Canyon
- Creston, California 93432 Ms. Nancy Culver San Luis Obispo Mothers for Peace P. 0.
Box 164 Pismo Beach, California 93448 Ms. Jacquelyn C. Wheeler P. 0.
Box 164 Pismo Beach, California 93448 Managing Editor The Count Tele ram Tribune 1321 Johnson Avenue P. 0.
Box 112 San Luis Obispo, California 93406 Chairman San Luis Obispo County Board of Supervisors Room 370 County Government Center San Luis Obispo, California 93408 Mr. Truman'urns Mr. Robert Kinosian California Public Utilities Commission 505 Van Ness, Room 4102 San Francisco, California 94102 Mr. Steve Hsu Radiologic Health Branch State Department of Health Services Post Office Box 942732 Sacramento, California 94232 Regional Administrator, Region IV U.S. Nuclear Regulatory Commission Harris Tower
& Pavillion 611 Ryan Plaza Drive, Suite 400 Arlington, Texas 76011-8064 Mr. Peter H. Kaufman Deputy Attorney General State of California 110 West A Street, Suite 700 San Diego, California 92101 Christopher J.
- Warner, Esq.
Pacific Gas
& Electric Company Post Office Box 7442 San Francisco, California 94120 Mr. Warren H. Fujimoto Vice President and Plant Manager Diablo Canyon Nuclear Power Plant P. 0.
Box 56 Avila Beach, California 93424 Diablo Canyon Independent Safety Committee ATTN:
Robert R. Wellington, Esq.
Legal Counsel 857 Cass Street, Suite D
Monterey, California 93940
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