ML20029A162
| ML20029A162 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 01/30/1991 |
| From: | Floyd S CAROLINA POWER & LIGHT CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NLS-91-029, NLS-91-29, NUDOCS 9102040319 | |
| Download: ML20029A162 (4) | |
Text
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4PN Carolina Power & Light Company
~'
JAN 3 0 tgM SERIAL: NLS 91 029 United States Nuclear Regulatory Commission
- ATTENTION
Document Control Desk Washington, DC 20555 BRUNSWICK STEAM ELECTRIC PLANT, UNIT NO. 1 DOCKET NO.-50 325/ LICENSE NO DPR-71 IGSCC INSPECTION RESULTS REFUELING OUTAGE 7 Gentlemen:
In a letter dated January 24, 1991, Carolina Power & Light Company provided IGSCC inspection results for Refueling Outage 7.
In that letter,-the cover sheet for Enclosure 3 was inadvertently omitted (Enclosure 3 contains two SMC O'Donnell Inc. letters). The cover sheet for Enclosure 3 is enclosed for your USe.
In addition, an error to Table 1 in Enclosure 1 was discovered.
This error affects Table 1 in Enclosure 1 and page 10 of Table 2 in Enclosure 1.
Enclosed are the replacement pages with the corrected Tables.
~We apologize for any inconvenience this may have caused.
Please' refer any questions regarding this submittal to Mr. D. B. Bates at (919) 546-6154.
Yours very truly, S. D. Flo Manager Nuclear Licensing Section DBB/jbw (979BNP)
Enclosures cc:
Mr. S. D. Ebneter Mr. N. B. Le Mr. R. L. Prevatte 0
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BRUNSWICK STEAM ELECTRIC PLANT, UNIT 1-NRC' DOCKET 50-32 5 /: LICENSE No. DPR..
-IGSCC INSPECTION'RESULTS--: REFUELING OUTAGE 7
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FINAL DESIGN-REPORT - MECHANICAL STRESS IMPROVEMENT PROCESS SMC O'DONNELL &' ASSOCIATES. INC.
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ENCLOSURE 1
- 1 BRUNSWICK STEAM ELECTRIC PLANT, UNIT 1 j_
NRC DOCKET 50-325 / LICEMdE NO.-DPR-71 IGSCC INSPECTION RESULTS - REFUELING OUTAGE 7
- (1) - NUREG '0313, - Rev - 2, INSPECTION SCOPE AND RESULTS ScoDe of Examinations CP&L's_ approved (Reference 3) NUREG 0313 IGSCC Inspection' Program wasLextensively revised because of the RCRS_and Core Spray
. pipirig/ safe-end replacement, *and the commitment (Reference 1). made by CP&L to inspect the eleven (11) dissimilar metal, and four (4) similar metal-(Inconel) welds-in BSEP Unit 1 that had not previously been inspected-uaingftransducers that produce a refracted
-longitudinal -(RL) sound ~ wave.
Table 1 illustrates the revisions-to-the NUREG 0313 Inspection Program.-
- Two_(2) of-the eleven dissimilar metal welds (1E21FF-4-FWRNA18
_ and:1E21FF-8-FWRNB18) were replaced as part of the Core Spray-piping / safe-end replacement, s
TABLE 1 - BSEP!1 IGSCC Inspection Categories STATUS A
B C
D E
F G
TOTAL prior to' Refueling 122 0
58-13 1 46 0
'13 270 Outage 7 Refueling Outage 7 40.
10 8
11 5
0 13 87
~nspectionsL (7)
(17)
(16)
(24)
Current. Population 150 10 42 25 11 1
0-239
.'TheDinspections indicated in parenthesis (XX) above are the number LofEwelds.in each_ category that were originally 1 scheduled to be inspected in.accordance-with~the NUREG 0313-Inspection Program.
.The
-variations in actual inspections _ performed-versus scheduled inspections were caused by the elimination ~cuf replacement of welds-
[
by the RCr.5 and Core-Spray piping and. safe end replacement.
-Table 1 (attachea) provides a complete listing of the BSEP Unit 1,
- NUREG 0313, Rev 2, IGSCC Inspection' Classifications,' including 1 Weld' numbers, IGSCC Category, joint configuration, system and inspection schedule.-
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page 10 of 10 TABLE 2 BBEP UNIT 1 - 10800 INSPECTION CLASSIFICATIONS IGSCC JOINT SCHEDULIsD INSPECTIONS WELD NUMBER SYS CATEGORY CONFIG.
RPO 7 krO 8 RFO 9 RF010 RF011 IB21N4B-3-SW2-3 D
TRANS/ EXT FW X
X X
iB21N4C-6-FWN4C225-3 D
EXT /SE FW X
X X
1821N4C-6-SW1-2 D
SE/SE. EXT FW X
X X
1821N4C-6-SW2-3 D
TRANS/ EXT FW X
X X
1B21N4D-5-FWN4D315-3 D
EXT /SE FW X
X X
1B21N4D-5-SW2-3 D
TRANS/ EXT FW X
X 1B3 2RECIRC-2 8 A4 (O ' LAY)
E ELBO/ PIPE RCRS X
X X
IB32RECIRC-28A14(O' LAY)
E VALV/ELBO RCRS X
X 1B32RECIRC-28A15(O' LAY)
E EI BO/ PIPE ' RCRS X
X X
1832 RECT C-28B4(O' LAY)
E ELBO/ PIPE RCRS X
X X
1B32RECi - J-2888 (O'IAY)
E ELBO/VALV RCRS X
X 1832RECIRC-22AM3(O' LAY)
E VALV/ PIPE RCRS X
X 1832RECIRC-4A1(O' LAY)
E WOL/ PIPE RCRS X
X X
183 2 RECIRC-4 A10 (O ' IAY )
E PIPE /WOL RCRS X
X l1B3 2RECIRC-4 B1 (O ' LAY)
E WOL/ PIPE RCRS X
X X
1 B3 2 RECIRC-4 B10 (O ' LA N ) -
E PIPE /WOL RCRS X
X 1B32RECIRC-28A8(IHSI)
E ELBO/VALV RCRS X
X 1821N4D-5-SW1-2 P
SE/SE. EXT FW X
X X
X X
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