ML18017A931

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Final Rept on Defective Seismic Class I Hanger Welds.Welds Not Reportable Under 10CFR50.55(e).Metallurgical Investigation Revealed Basically Cosmetic Defects.Corrective Actions Completed & Acceptable
ML18017A931
Person / Time
Site: Harris  Duke Energy icon.png
Issue date: 02/22/1980
From: Chiangi N
CAROLINA POWER & LIGHT CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
References
NUDOCS 8003030612
Download: ML18017A931 (3)


Text

REGULATORY ORMATION DISTRIBUTION SY f (RIDS)ACCESSION NBR!8003030612

, DOC CHOATE: 80/02/22 NOTARIZED!

NO FACIL:50-400 Shearon Harris Nuclear Power Plant~Unft ig Caroljna 50 401 Shearon Harrjs Nuclear Power Plant~Unit 2~Carolfna 50 402 Shearon Harris Nuclear Power Planti Unft 3g Carolina AUTH'AME AUTHOR AFFILIATION CHIANGIiN.J.

Carolina Power 3 Light Co~, RECIP~NAME RECIPIENT AFFILIATION DOCKET 0 05000400 05000401 05000402+o3'UBJECT:

Final rept on defective Seismic Class I" hangar weld'o longer considered reportable under 10CFR50~55(e)~Metallurgical investigation revealed basically cosmetic defects'orrective actions completed L a'cceptable

~DISTRIBUTION CODE l SO I9S COPIES RECEIYED>LTR l ENCL.SIZE:~TITLE'.Construction Deficiency Report (10CFR50.55E)

FT'P NOTES~RECIPIENT'D CODE/NAME ACT'ION!14 PM 20 LA LGcJg W~INTERNAL: 0 G RILE 05 IL 08 MPA 10 GAB 12 JORDAN'/IE~

16 AD FOR ENGR ,17 AD REAC'FTY 23 OELD AEOD GEOSCIKNCES BR ISC SYS BR MECH ENG BR STRUCT'NG BR EXTERNAL: 03 LPDR 24 ACRS COPIES LXTR ENCL 1 1 1 1 1 1 2, 2'1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 16 16'ECIPIENT IO CODE/NAME 15 BC 21 AO 02 NRC PDR 07 EDO L STAFF 09 DEPY DIR DPM ii STANDRDS OEV 13F IELD COOR/IE'7 AD PLANT SYS 22 DIR DPM AO/SI TE TECH DIRECTOR OSE" HANAUERiS~MATL, KNG BR PO>IER SYS BR 04 NSIC COPIES LTTR ENCL'1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 LA-Wydg E KE'BLu sa.~E/8'M LA TOTAL NUMBER Of COPIES REQUIRED: LTTR M ENCL' I 1" l f 4 e I l I l M II 4 g K~~II l/W lg q ll P nr g h, p I i(N g I)I FORM 21~1OOM Pebruary 22, 1980 Caroiina Power&Light Company Raleigh, N.C.2?602 P D Mr.James P.O'ReiU.y United States Nuclear Regulatory Commission Region XI 101 Marietta Street, Northwest Atlanta, Georgia 30303 SHEARON HARRIS NUCLEAR POWER PLANT UNITS 1, 2, 3, 6 4 DOCKET NOS~50-400, 50-401, 50-402, 50-403 DEPECTIVE SEISMIC CLASS X HANGER WELDS, OPEN ITEM 400/401 79<<23-05

Dear lir.O'Reilly:

On November 26, 1979, CP&L had notified the NRC (?ir.R.Bradley)by telephone that the subject deficiency had been evaluated and considered to be reportable under the provisions of 10CPR50.55(e).

As indicated to the NRC (Mr.R.Bradley)by telephone on Pebruary 19, 1980, further evaluation has now revealed that the subject deHciency is no longer considered reportable under the provisions of 10CPR50.55(e) on the basis that metallurgical investigation indicates that the types of defects noted were basically cosmetic and.considered minor in nature and are not significant enough to cause subsequent failure.Based on the above, Carolina Power 6 Light Company considers this matter closed.Xt should be noted that all corrective action on the subject deficiency has been completed and found to be acceptable.

If you have any quest:iona regarding this matter, please do not hesitate to contact me.KVH/bd (6526)cc: 1Ir.V.Scellc 12)Q Yours very truly, Original Signed By N.i.Chiangi N.J.Chiangi-1ianager Engineering 6 Construction Quality Assurance