ML19273C195
| ML19273C195 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 10/29/1979 |
| From: | Costello J, Cruich J, Milhiser R LOUISIANA POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML19273C194 | List: |
| References | |
| NUDOCS 7911150261 | |
| Download: ML19273C195 (3) | |
Text
{{#Wiki_filter:. LOUIS!AliA Pok'ER & LIGHT CCit?.Un* k'ATERFORD SES USIT NO 3 Interir. Report cC Significant C:nstru::ica Deficiency "o la O - 9[(5' ))hgfb g Unsatisfactorf Inpac: Tests I on Pipe Penetration Assar.blies 3 4 a [O 29/77 [ Reviewed by / / JC ica - Site Manager / Reviewed by f' ( s(-{ 'M R J !!ilhise7 Project Superintende:Y p, a al: 7,. y / n / /*. *, s Reviewed by J Castello - Project 1.icensing Engineer / s .s' .s Reviewed by /. '. '6.d.' e R A Hartnett - Q A Jite Supervisor
- 9. G l 791115o
INTERIM REPORT SIC:H FICA::T CO::'iT"tTTT'Y: DEFTCTE';CY '!O 14 UNSAT I S FACTORY I:1 PACT TESTS ON PIPE pCET:'aT10:: A3SI M LIF.S 3 5 4 D D " l ~ 3i f M9 NJ w AAN 22 Summary to the requirenents of ICCFE50.55(e) this report identifies a properties for the process pipe of Contaiament Pursuant nonconfarnance of impact the 'Jaterford SES Penetration Assenblies 3 and a suppited to Ebasco at by Associated Piping and Engineering Company - Temp Unit No 2 Project Flex Division (Cetpton, California). Descriotion Associated Piping and Engineering Corporation - Temp Flex Dtvision, undir (NY-4C?i22) to Ebasco Serrices Incorporated, sup-purchase order contract plied ASMZ Cl ss 2 p ccess pipe of containment penetration assemblics 3 Nc 3 Project which are to be used for aad 4 to the Waterford SES - Jnitwas determined by the Ebaccc Quality Assurance the feed. ester system. Department that impact tcst results for this heat (7LO2364) did not meet 1971 Editicn, the acceptance criteria of AS:!E, Sectica !!!, Subsection ':E, Specifically the Code required Winter 1973 Addenda for the application. this material hcve a lateral expansica of 25 mils far Charpy V-notch that results were 13, 19, and 21 cils lateral expan-i= pact testing. Actual Cy This de-sion for the process pipe of containment penetraticns 3 and 4 viation was detected prior to installatica of these assemblies. tests were perforced on re-For further verification of this data two Cy presentative heats. It was determined that similar unacceptable values were obtained. (7QAD-13) As required by Asscciated Piping QA Manual and E'aasco procedura results by vendor and Ebasco f ailed to de-initial QA review of the test Subsequcnt to tect the deviation of conformance to the Ccde requirement. this discovery Ebasce initiated NCR No W3-1695 describing this deficiency on October 4, 1979. It was ccnfirmed by Associated Piping and Engineering Corporation - Tempfor saf er. related ecmponents f abricated frem this heat Flex Divisten that the Waterferd SES l' nit 50 3 Project were limited to the two process pipes Further veri #ication was ch-for penetrat Lin assemblies cese ribed herein. tained f rem Assee 2ated Pipin and 1:ngineering Corpora:icn - Temp Flex Di-no other safety related components t'or other nuclear vision to asrure that number. projects were supplied t' rem this heat Saferv Inclication is performed to demonstrate the ability of the piping to The Charpy Test forth in Sub-section 3.9.3 of the equaline the design stresses as set Final Safety Analysis Report. The results of the impact test ing on pro-indicate that fatigue could cess pipe of penetration assemblies 3 and 4 occur when the piping is subjected to typical dynanic events which may oc-If lef t uncorrected, this deficiency could Icad to pipe cur in the plant.
crack during cold hydrostatic t o :t s or 1. iter during eme r;;ency feedwater operation due to corrosion / thernal st ress. Corre" rive Action Rep resent int; a d isc repanny in initial review o f Q A detunents and a devi-aticn f rom design criteria (Code ?,equirements) two modes of corrective action are currently uncerway. Preparations are currently underway by Ebascc Quality Assurance to perforn a fceility resurvey of Accccia:cd Piping and Engi-neering Corporation - Temp Flex Division with special emphasis on the training program and ncchanics of the Q A records revieu proc 2ss. A :icns required of the supplier as a result of this survey will ae identified in the final report. To ccrrect the catument revieu dic:repancies by the Ebasco Ven- - -- dar Qualit; Assurance 2epre:en:a:1.2 a 2 rrective :cti;r direc-tive is bein; prepared by the Project Quality A surance Engineer ""'[forissuanceto the Ebacco VQAR Supervicor. The r:sults of this r-port will be identified in the final report. To correct the raterial deficiencies of the pr: ess pipe of the penetratica assemblies the ma:erial was returned to Associa:ed Piping and Engineering Corporatica - Ten; Flcn Divisica f or re-pair. This supplier will qua ify a heat trea:nen: process for improving impact properties to teet Ccde requirement: using net. pipe fabrica:ed fren the sane heat (0LO226a. Upon 22:2ptab_c resultc frca this he:: treataent qualificnt:ca testing, the sup-plier will then remove the process pipe f rca the two assemblies iden:ified herein, and apply the 3:22 henc tr strent procass. If unacceptable resulta cre obtained frc= the heat trea:nen: qua-lification pr:cedure, the supplier will repla c '.: pr: cess pip-in; for the two assemblies with different heats,ith accepta' ale i= pact preperties. Results of this test'.n; and corractive action will be provided in the final report by ::ay 1,1930. b d [Ri?['hb mL iomm
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