ML19256E515
| ML19256E515 | |
| Person / Time | |
|---|---|
| Site: | Rancho Seco |
| Issue date: | 10/17/1979 |
| From: | Reid R Office of Nuclear Reactor Regulation |
| To: | Mattimoe J SACRAMENTO MUNICIPAL UTILITY DISTRICT |
| Shared Package | |
| ML19256E516 | List: |
| References | |
| TAC-10816, NUDOCS 7911070557 | |
| Download: ML19256E515 (4) | |
Text
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UNITED STATES y%3 gi NUC:. EAR REGULATORY COMMISSION
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October 17, 1979 Docket No. 50-312 Mr. J. J. Mattimoe Assistant General Manager and Chief Engineer Sacramento Municipal Utility District 6201 S Street P. O. Box 15830 Sacramento, CA 95813
Dear Mr. Mattimoe:
RE: RANCHO SEC0 NUCLEAR GENERATING STATION By letter dated July 18, 1979, you submitted a proposed inservice inspection and testing program description and a request for relief from selected ASME Code requirements pursuant to 10 CFR 50.55a(g). Although we have not com-pleted our detailed review of your submittal, our preliminary review makes clear to us that your proposed program to implement those ASME Coce require-ments that you have found to be practical would increase the scope of inservice inspection and testing for your facility beyond that currently required by your Technical Specifications.
We have concluded that this upgrading of your inservice inspection and testing program will further enhance safety.
Based on our preliminary review, we agree with your determination that it is impractical within the limitations of design, geometry and materials of construction of components, for you to meet certain of the specified ASME Code requirements and that imposition cf those requirements would result in hardships or unusual difficulties without a compensating increase in the level of quality or safety. Therefore, pursuant to 10 CFR 50.55a(g)(6)(i),
we he' eby grant relief, on an interim basis, pending conpletion of our detailed review, from those inservice inspection and testing requirements of the ASME Code that you have requested as modified by NRC staff comments on your proposal made during the working session held with your staff on October 3 and 4, 1979. Moreover, since the scope of the inservice inspection and testing will be increased by your proposed program, and the granting of this relief is based only on the impracticality of selected ASME Code requirenents, we have determined that the relief granted ncither increases the probability or consequences of accidents previously ccnsidered nor decreases safety margins and that, therefore, it does not involve a signifi-
.: ant nazards consideration. Therefore, you are authorized to, and should proceed to, implement your proposed progran as modified by NRC staff ccaments mace during'the working session (except where your current Technical Specifications are more restrictive).
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% Within 30 days of receipt of this letter, you should submit to the NRC documentation of the modifications you will be implementing with your proposed program based on the comments received from the staff during the working session on October 3 and 4, 1979.
During the period between the date that the requirements of 10 CFR 50.55a(g) become effective ?or your facility and the date we ccmplete our cetailed review of your submittal you must comply with both your existing Technical Specifications and your proposed inservice inspection and testing program.
In the eve.nt ;onflicting requirements arise for some components, you must comply with the more restrictive requirements (e.g., shorter inspection intervals, increased number of parameters measured).
In other words, the granting of this reliet from ASME Code requirements should not be interpreted to give you relief from any of the requirements in your existing Technical Specifications.
When our detailed review of your July 18, 1979 submittal is complete, we tions rD(1) issue final approval of your program (which may contain modifica-will:
alting from the staff's final review), (2) grant reli.ef from any ASME Code requirements that are determined to be impractical for your facility for the duration of the inspection interval cnd (3) issue appropriate changes to your Technical Specificatuns.
A copy of the Federal Register Notice related to this action is enclosed.
Sincerely, Qp W h =
m Robert W. Reid, Chief Operating Reactors Branch #4 Division of Operating Reactors
Enclosure:
Federal Register Notice cc: w/ enclosure See next page 9nn3 043
D'f D D'3' A
.:ra m to Municipal Utility
,3 Jistrict
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o w/ enclosure (s):
Christopher Ellison, Esq.
sid S. Kaplan, Secretary and Dian Grueuich, Esq.
General Counsel California Energy Commiss,fon
-201 S Street 1111 Howe Avenue
. O. Box 15830 Sacramento, California 95825
' cramento, California 95813 i
Ms. Eleanor Schwartz
'acramento County California State Office Icard of. Supervisors 600 Pennsylvania Avenue, S.E., Rm. 201 327 7th Street, Room 424 Washington, D.C.
20003 dacramento, California 95814 Docketing and Service Section Office of the Secretary gusiness and Municipal Department U. S. Nuclear Recula ory Commission
~
jacramento City-County Library Washington, D.C.
20555 c28 I Street Sacramento, California 95814 Michael L. Glaser, Esq.
1150 17th Street, N.W.
Director,.. technical Assessment Washington, D.C.
20036 Division Office of Radiation Programs Dr. Richard F. Cole (AW-459)
Atomic Safety and Licensing Board U. S. Environmental Protection Agency Panel grystal Mall #2..
U. S. Nuclear Regulatory Commissior.
srlington, Virginia 20460 Washington, D.C.
20555 U. S. Environmental Protection Agency Mr. Frederick J. Shon Region IX Office Atomic Safety anc Licensing Board ATTN:
EIS COORDINATOR Panel 215 Fremont Street U. S. Nuclear Regu.atory Comission San Francisco, California 94111 Washington, D.C.
2C555 cert B. Borsum Timothy V. A. Dillon. Esq.
Sabce d & Wilcox Suite 380 aclear Power Generation Division 1850 K Street, N.W.
uite 420, 7735 Old Georgetown Road Washington, D.C.
20006 O
.ethesda, Maryland 20014 James S. Reed, Esq.
Michael H. Remy, Esq.
Reed, Samuel & Remy 717 K Street, Suite 405 Sacramento, California 95814 Mrbert H. Brown, Esq.
Mr. Michael R. Eaton
- is Coe Lanpher, Esq.
Energy Issues Coordinator Christopher and Phillips, P. C.
Sierra Club Legislative Office
- 300 M St., NW 1107 9th St., Room 1020
!ashington, D. C.
20036 Sacramento, CA 95811
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Sacramento Municipal Utility District cc w/ enclosure (s):
Atomic Safety and Licensing Board Panel U. S. Nuclear Regulatory Commission Washington, D.C.
20555 Atomic Safety and' Licensing Appeal Board Panel U. S. Nuclear Regulatory Commission Washington, D.C.
20555 fir. Richard D. Castro 2231 K Street Sacramento, California 95814 Mr. Gary Hursh, Esq.
520 Capital Mall Suite 700 Sacramento, California 95814 California Department of Health ATTN: Chief, Environmental Radiation Control Unit Radiological Health Section 714 P Street, Room 498 Sacramento, California 05814 1""3 045 e