ML20244A539

Concurs W/General Concept of Proposed Change Re Tube Sleeves.Change Specifications to Clearly State That Tubes W/ Imperfections Greater than 40% Must Be Repaired Requested

ML20244A539
Person / Time
Site:	Rancho Seco
Issue date:	04/07/1989
From:	Kalman G Office of Nuclear Reactor Regulation
To:	Firlit J SACRAMENTO MUNICIPAL UTILITY DISTRICT
References
TAC-63081, NUDOCS 8904180058
Download: ML20244A539 (3)

Text

_ - - --- - - - -- - - - - - - - - _ _ _ _ _ _ _

L,, '

April 7,1989 c

i Docket No.: 50-312 DISTRIBUTION "DocRet r11e TMeek (4)

NRC & LPDRs Wanda Jones PD5-Reading EButcher Mr. Joe Firlit MVirgilio ACRS(10) i Chief Executive Officer, Nuclear JLee GPA/PA l

, ' Rancho Seco Nuclear Generating Station GKalman ARh/LFMB i 14440 Twin Cities Road OGC (f/ info only) SReynolds Herald, California 95638-9799' DHagan ,

EJordan {

dear Mr. Firlit: BGrimes

SUBJECT:

NRC COMMENTS PERTAINING TO PROPOSED AMENDMENT 134, TUBE l SLEEVES (TACN0.63081) l We have reviewed your submittal dated September 24, 1986 in which you requested l aTechnicalSpecification(T.S.)changetopermitsteamgeneratortubestobe i repaired by means of tube sleeves. We concur with the general concept of the proposed change, however we would request the following specific changes to your submittal to make the proposed change consistent with current NRC standards.

1. Change the Specifications to clearly state that tubes with imperfections greater than 40 percent must be repaired. Modifi-cation of this requirement based on analysis (10 CFR 50.59) is not acceptable. ,

2. Include in the Basis a clarification that T.S. inspection requirements are a)plicable to all tubes, including those which had been repaired ay sleeving.

3. Revise T.S. Section 4.17.4.4 to clearly state that not more  !

than 5,000 tubes in each steam generator can be repaired by )

sleeving.

4. Include in the Basis a statement that sleeving techniques, i other than BAW-1823P, will receive NRC approval prior to use. ]

Should you have any questions regarding this request, please communicate with the NRC project manager assigned to your plant.

Sincerely,

/s/

George Kalman, Project Manager Project Directorate V Division of Reactor Projects - III, IV, V and Special Projects cc- see next page 4 48r-DR /  ! DRSP/D:PD5 Of0/

GKa an:dr GKnighton

-3 /89 y/7/89 I l I

OFFICIAL REC 0rtD COPY 3904180058 8904oy PDR ADOCK 05000312 P PDC i

___________-__-_--D

,p

- 9m nag

..-[' UNITED STATES

.[ o,i_

NUCLEAR REGULATORY COMMISSION i' b ;p WASHINGTON, D. C. 20555

?g *. ,* / April 7,1989 Docket No.: 50-312 Mr. Joe Firlit Chief Executive Officer, Nuclear Rancho Seco Nuclear Generating Station 14440 Twin Cities Road-Herald, California 95638-9799

SUBJECT:

NRC COMMENTS PERTAINING TO PROPOSED AMENDMENT 134, TUBE '

SLEEVES (TAC NO. 63081)

We have reviewed your submittal dated September 24, 1986 in which you requested a Technical Specification (T.S.) change to permit steam generator tubes to be repaired by means of tube sleeves. We concur with the general concept of the proposed change, however we would request the following specific changes to your submittal to make the proposed change consistent with current NRC standards.

1. Change the Specifications to clearly state that tubes with imperfections greater than 40 percent must be repaired. Modifi-cation of this requirement based on analysis (10 CFR 50.59) is not acceptable. ,

2. Include in the. Basis a clarification that T.S. inspection requireraents are applicable to all tubes, including those which had been repaired by sleeving.

3. Revise T.S. Section 4.17.4.4 to clearly state that not more than 5,000 tubes in each steam generator can be repaired by sleeving.

4. Include in the Basis a statement that sleeving techniques, i other than BAW-1823P, will receive NRC approval prior to use.

Should you have any questions regarding this request, please communicate with the NRC project manager assigned to your plant.

Sincerely, 4)<- *k George Kalman, Project Manager Project Directorate V Division of Reactor Projects - III, IV, V and Special Projects cc: See next page

~

, Mr. Joe Firlit Rancho Seco Nuclear Generating Chief Executive Officer, Nuclear Station Rancho Seco Nuclear Generating Station 14440 Twin Cities Road Herald, California 95638-9799 cc:

Mr.- David S. Kaplan, Secretary Mr. John Bartus '

and General Counsel Ms. JoAnne Scott 4 Sacramento Municipal Utility Federal Energy Regulatory Commission District 825 North Capitol Street, N. E.

6201 S Street Washington, D.C. 20426 P. O. Box 15830 Sacramento, California 95813 Thomas A. Baxter, Esq. Ms. ilelen Hubbard Shaw, Pittman, Potts & Trowbridge P. O. Box 63 '

2300 N Street, N.W. Sunol, California 94586 Washington, D.C. 20037 Mr. Steven Crunk Manager, Nuclear Licensing Sacramento Municipal Utility District Rancho Seco Nuclear Generating Station 14440 Twin Cities Road Herald, California 95638-9799 Mr. Robert B. Borsum, Licensing Representative Babcock & Wilcox Nuclear Power Division 1700 Rockville Pike - Suite 525 Rockville, Maryland 20852 Resident Inspector / Rancho Seco l c/o U. S. N. R. C. l 14440 Twin Cities Road Herald, California 95638 Reoional Administrator, Region V U.S. Nuclear Regulatory Commission 1450 Maria Lane, Suite 210 Walnut Creek, California 94596 Mr. Paul Szalinski, Chief Radiological Health Branch State Department of Health Services

.714 P Street, Office Building #8 ,

Sacramento, California 95814 l Sacramento County Board of Supervisors i 700 H Street, Suite 2450 Sacramento, California 95814

- - ______- - _ _ _ . _