REPORT NUMBER: ASSIGNED TO: CONTROLLED: UNCONTROLLED: X OWNER: DUKE POWER COMPANY P. 0. Box 33189 Charlotte, NC 28242 1981 REFUELING OUTAGE INSERVICE INSPECTION REPORT FOR OCONEE STATION UNIT #3 LOCATED AT: SENECA, SOUTH CAROLINA 599-0443-14-08 REVISION: 1 DATE: COMPONENTS: B&W NSS-9 and other components as identified in this report MANUFACTURER: BABCOCK & WILCOX COMPANY LYNCHBURG, VIRGINIA 24505 GROSS GENERATING CAPABILITY: 2568 MWT COMMERCIAL SERVICE DATE: December 16, 1974 DATE OF INSPECTION: See Preface ABSTRACT OF INSPECTION: See Summary Report APPROVED BY: M C. R. Honey d, Manager, Manuals & Report Date Babcock & W cox Company APPROVED BY: ti/ C-.( 7L/ J .p. hinney, Msnager, Inservice Inspection Date Babco & Wilcox Company APPROVED BY: _ _ _ ___ _ _ J/ . rbour, Quality Assurance, Operations Date ak1 Power Company BABCOCK & WILCOX INSERVICE INSPECTION P. 0. Box 1260 Lynchburg, VA 24505 8107210421 810714 -1 PDR ADOCK 05000287 G _ PDR
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1981 REFUELING OUTAGE REPORT FOR OCONEE STATION UNIT #3 · Subject: Revision 1 to the 1981 Inservice Inspection Report for Oconee Station, Unit #3 Dear Mr. Cheezem: The following
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REPORT NUMBER: ASSIGNED TO:
CONTROLLED: UNCONTROLLED: X
OWNER: DUKE POWER COMPANY P. 0. Box 33189 Charlotte, NC 28242
1981 REFUELING OUTAGE
INSERVICE INSPECTION REPORT FOR OCONEE STATION UNIT #3
LOCATED AT: SENECA, SOUTH CAROLINA
599-0443-14-08
REVISION: 1 DATE:
COMPONENTS: B&W NSS-9 and other components as
identified in this report
MANUFACTURER: BABCOCK & WILCOX COMPANY LYNCHBURG, VIRGINIA 24505
GROSS GENERATING CAPABILITY: 2568 MWT COMMERCIAL SERVICE DATE: December 16, 1974 DATE OF INSPECTION: See Preface ABSTRACT OF INSPECTION: See Summary Report
APPROVED BY: M C. R. Honey d, Manager, Manuals & Report Date
Babcock & W cox Company
APPROVED BY: ti/ C-.( 7L/ J .p. hinney, Msnager, Inservice Inspection Date Babco & Wilcox Company
APPROVED BY: _ _ _ ___ _ _ J/ . rbour, Quality Assurance, Operations Date ak1 Power Company
BABCOCK & WILCOX INSERVICE INSPECTION P. 0. Box 1260 Lynchburg, VA 24505
8107210421 810714 -1 PDR ADOCK 05000287 G _ PDR
Babcock & Wilcox Nuclear Power Generation Division
a McDermott company 3315 Old Forest Road P.O. Box 1260 Lynchburg, Virginia 24505 (804) 384-5111
July 6, 1981
Mr. C. B. Cheezem Duke Power Company Quality Assurance Operations P. O..Box 33189 Charlotte, NC 28242
File: 0443-B.039 Ref: 599-0443-14-08
Subject: Revision 1 to the 1981 Inservice Inspection Report for Oconee Station, Unit #3
Dear Mr. Cheezem:
The following changes are being transmitted to you for your approval and insertion into the .two copies of the report (1 and 2) in your possession.
Action; Replace, Description of Item Description Remove, or Insert Modification
1. Title Page (Sign) replace at Revision #1 later date
2. Table of Contents Replace Revision #1 to page T-1 Changed date to 7-6-81 Changed Revision to #1 in Sections 11.0-11.4, and 15.0
3. Page 11-1 thru Replace Changed Revision to #1 11-3 Changed date to 7-6-81
Changed the first sentence of the third paragraph on page 11-2 to read; Steam Generator "B" had 24 tubes ... of wall thickness.
4. Page 15-1 thru Replace Changed Revision to #1 15-6 Changed date to 7-6-81
Changed page 15-2, item #8 under "Date", by adding "Revised page 2, on 7-6-81".
*e 0
-2
5. Section 11, Tab-G Replace Corrected the Levels
Page 90 of 179 of the evaluator and the reviewer.
6. Section 15, Tab-Q Replace Corrected the last Page #2 of M. J. sentence to read 24 Gallagher's letter tubes, and remove3the dated 3-6-81. last tube in column
under "B" generator.
Upon approval, please sign the Revision #1 title page in the place indicated and return it to P. L. Pitz at the address indicated below. Please note that the revision #1 title page is not yet dated. The date that will be shown is that of the Duke Power
Compan's approval signature. Copies of the approved title page will then be sent to you for inclusion in your copies of the
report.
Babcock & Wilcox Co. Customer Service, Inservice Inspection P. 0. Box 1260 Lynchburg, VA 24505
Sincerely,
THE BABCOCK & WILCOX CO.
T. E. Smith Contract Management Inservice Inspection
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Page 2
A total of 10% of the "A" generator tubes and 21% of the "B" generator tubes was examined. The results of these exams are documented below.
RESULTS:
There are four (4) tubes in steam generator "A" which contain defects equal to or greater than 20% of the wall thickness. A listing of these tubes and their status is given below.
Tube Locatioh & Type of Defect Depth
77-6 15th OD 22% 63-130 12th OD 30% 77-123 l1th OD 22% 75-118 14th OD 25%
There are 24 tubes in steam generator "B" which contain defects equal to or greater than 20% of the wall thickness.
Tube Location & Type of Defect Depth
75-3 15th OD 20% 75-5 15th OD 20-30% 75-6 15th OD 20-30% 75-9 15th OD 25% 75-10 15th OD 20-25% 77-22 15th OD 20% 78-6 15th OD 25% 78-3 15th OD 28% 104-93 LTS-1 OD 20% 52-45 13th OD 20% 83-71 8-9th OD 20-25% 37-5 14th OD 25% 133-35 2-3rd OD 30% 124-38 14-15th OD 35%
*4-4 14th OD 44% 137-68 2-3rd OD 35%
*150-14 10th OD 52% 99-105 14-15th OD 36%
*58-2 14th OD 50% *62-113 14th OD 52% 100-11 14th OD 30-40% 53-124 14th OD 20-30% 54-125 14th OD 20-25% 57-125 14th OD 20-30%