ML20149J214
| ML20149J214 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 07/24/1997 |
| From: | Raghavan L NRC (Affiliation Not Assigned) |
| To: | Richard Anderson FLORIDA POWER CORP. |
| References | |
| TAC-M90489, NUDOCS 9707280116 | |
| Download: ML20149J214 (4) | |
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. UNITED STATES
, NUCLEAR REGULATORY COMMISSION -
l WASHINGTON. D.C. sese64001 i
r July. 24, 1997 N#
C
'r. Roy AO Anderson' eenior Vice President,-
. Nuclear Operations
= Florida Power Corporation.
-- ATTN: Manager, Nuclear Licensing
'r Crystal River Energy Complexi 15760 W Power Line Street Crystal. River,. Florida 34428-6708 -
i
SUBJECT:
' CRYSTAL RIVER NUCLEAR' GENERATING PLANT UNIT 3 - 1994 INSERVICE
. INSPECTION - PRESSURIZER SURGE LINE N0ZZLE' FLAW EVALUATION r
l' (TAC NO.:M90489)
I
Dear Mr. Anderson:
L By. letter dated September 2, 1994, you forwarded the 1994 Inservice Inspection Summary Report which identified a subsurface flaw in the pressurizer surge line nozzle weld that exceeded the American Society of Mechanical Engineers i~
(ASME) Code Section XI, Paragraph.IWB-3500 acceptance limit. As a result, you analytically evaluated the flaw in a Babcock and Wilcox Nuclear _ Technology.
L (BWNT). document No.-32-1233483-00 and found the flaw to be acceptable for service until approximately December 1995.
You also informed us of your plan 1
i, to perform a more comprehensive analysis to demonstrate the acceptability of the as-found condition until-the end of plant life.
t
-The ASME Code Section XI, Paragraph IWB-3610, indicates that an analytical flaw evaluation is "... subject to approval by the regulatory authority...".
Accordingly, by our letter dated October 19, 1994, we informed you of our plan to review your analysis of the weld.
By letters dated December 12, 1994, and March 3, and March 9,1995, you. submitted your final fatigue growth analysis of the identified weld flaw.- Based on this analysis, you concluded that the weld satisfied the ASME Code Section XI, Paragraph IWB-3612 criteria and
- therefore, was acceptable for continued safe operation until the facility's end-of-li fe.
4 i
Subsequently, you reinspected the weld during the Refueling (RF) 10 outage in 1996,.and by letter dated August 14, 1996 as supplemented by'1etter dated May 14, 1997, you submitted the results of your inspection.
In your submittals, you presented technical data that showed the difference in the
, effects of beam spread on'the flaw sizing between the divergent transducer
" technique used during the RF 9 outage, and'the more precise focused transducer technique used during the RF 10 outage. l Based on the re-sizing of the flaw l
'with the focused transducer technique, you determined that it met the ASME I[
Code Section~XI, IWB-3500' acceptance limit.- As a result, your previous i;
. analytical evaluation of the weld flaw discussed above is not necessary. @@I I Jp u
- l; 9707280116'970724 ~
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If Mr. Roy A._ Anderson,,
Based on your determination that the weld flaw is within the ASME Code Section XI acceptance limits, and the acceptance of the weld is not based on analysis, we do not find it necessary to continue our review of your submittals.
Therefore, we consider our review effort under the technical assignment control (TAC) No. 90489 complete and the TAC is closed.
Please note that your inspection results and other analyses relating to the weld qualification may be a subject of future audit / inspection.
If you have any questions regarding this matter, please write or call me at (301) 415-1471.
Sincerely, 3
/S/
L. Raghavan, Project Manager Project Directorate II-2 Division of Reactor Projects - I/II 1
Office of Nuclear Reactor Regulation t
i l
Docket No. 50-302 cc:
See next page Distribution i
DocketLFile:,
j PUBLIC CR-3 r/f l
i B. boger J. Zwolinski OGC i
ACRS J. Strosnider D. Naujock c
J. Jaudon, Region 11 R. Schin, Region II 1
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DOCUMENT NAME:
G:\\ CRYSTAL \\oo4es ca To esceive a copy of thie document,imAcete in the bon: "C" = Copy w6tho atnechment/ enclosure "E" = Copy with attachment / enclosure "N* = No copy 0FFICE PDil 3/PM l
P011 3/LA,4 6 ](
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PD!l-3/D,)
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NAME LRagavan \\ A. -
BClayton g FHebdon N DATE 07/7t4/97 07/{re/97 07/d /97 07/Au /97 0FFICIAL RECORD COPY j
I
n-Mr. Roy A. Anderson -
Based'on your determination that the weld flaw is within the ASME Code Section XI acceptance limits and the acceptance of the weld is not based on analysis, we do not find it necessary to continue our review of your submittals.
Therefore, we consider our review effort under the technical assignment control (TAC) No. 90489 complete and the TAC is closed.
Please note that your inspection results and other ar,alyses relating to the weld qualification may be a subject of future audit / inspection.
If you have any questions regarding this matter, please write or call me at (301) 415-1471.
Sincerely, Ab L. Raghavan, Project Manager Project Directorate II-2 Division of Reactor Projects - I/II Office of Nuclear Reactor Regulation Docket No.-50-302 cc:. See next page t
i
e Mr. Roy A. Anderson CRYSTAL RIVER UNIT NO. 3 Florida Power Corporation GENERATING PLANT cc:
Mr. R. Alexander Glenn Senior Resident Inspector Corporate Counsel Crystal River Unit 3 Florida Power Corporation U.S. Nuclear Regulatory Commission HAC-A5A 6745 N. Tallahassee Road P.O. Box 14042 Crystal River, Florida 34428 St. Petersburg, Florida 33733-4042 Mr. John P. Couan Mr. Bruce J. Hickle, Director Vice President, Nuclear Production Nuclear Plant Operations (NA2C)
(NA2E)
Florida Power Corporation Florida Power Corporation Crystal River Energy Complex Crystal River Energy Complex 15760 W. Power Line Street 15760 W. Power Line Street Crystal River, Florida 34428-6708 Crystal River, Florida 34428-6708 Mr. Robert B. Borsum Mr. James S. Baumstark B&W Nuclear Technologies Director, Quality Programs (SA2C) 1700 Rockville Pike, Suite 525 Florida Power Corporation Rockville, Maryland 20852 Crystal River Energy Complex 15760 W. Power Line Street Mr. Bill Passetti Crystal River, Florida 34428-6708 j
Office of Radiation Control Department of Health and Regional Administrator, Region II Rehabilitative Services U.S. Nuclear Regulatory Commission 1317 Winewood Blvd.
61 Forsyth Street, SW., Suite 23T85 Tallahassee, Florida 32399-0700 Atlanta, GA 30303-3415 Attorney General Mr. Kerry Landis Department of Legal Affairs U.S. Nuclear Regulatory Commission The Capitol 61 Forsyth Street, SW., Suite 23T85 Tallahassee, Florida 32304 Atlanta, GA 30303-3415 Mr. Joe Myers, Director Division of Emergency Preparedness Department of Community Affairs 2740 Centerview Drive Tallahassee, Florida 32399-2100 Chairman Board of County Commissioners Citrus Courty 110 North Apopka Avenue Iverness, Florida 34450-4245 Mr. Robert E. Grazio, Director Nuclear Regulatory Affairs (SA2A)
Florida Power Corporation Crystal River Energy Complex 15760 W. Power Line Street Crystal River, Florida 34428-6708
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