ML20085C840

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Field Dye Penetrant Insp of Saxton Reactor Vessel
ML20085C840
Person / Time
Site: Saxton File:GPU Nuclear icon.png
Issue date: 04/25/1962
From:
WESTINGHOUSE ELECTRIC COMPANY, DIV OF CBS CORP.
To:
Shared Package
ML20083L048 List: ... further results
References
FOIA-91-17 NUDOCS 9110150053
Download: ML20085C840 (6)
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g g.., 3 Field Dye Panetrant Inspection of th-Seurton W.or Desce1 I. Descriptico ani Destdts In accordance with a recent request by the AEC, a fic14 dyc penetmmt inswetico of the Sarton ibe.etor Vesee,1 and Closure Asad c1=dAim ma ecoiueted with the result that the GAAim was found to be acceptable. This field inspecticci confinned the results of identiani testa previously ecuiucted by the A. O. Smith 4mlity Cautroi Deps.rtament in M11=nkae, Wisconsin, prior to shipment of the ==e=1 8ince pre-opermthsal fie1d tea ts incltulind hydrostatie teat, hos flush anni therumi cycling rt.ns had been coupleted on the vessel ta the fteld prior to this fiela cNA W inspeetton, w found t.Nyt the somAmsa and integrity of the claddint ressined untifreeted by these tests.

By prior agreernt with the ABC tb- field Qe penetrant inspectics of the vessel .'MWM was Itaited to the flan 6e area including apprmi--+aly taso 12.ches of the inside surface and the eetim closure W. This limitation ma necesaltated by the fact that the lowe:-

( core support structum ani masociated instrismantatica had alzeedy been installed in the vessel prior to this AE reps *t for inspection.

I Ress:rval of the op stmeture and instrumentation to gala mas to the inside of the vescel would have resulted ir. a sizeable went erfart and a schedula delay durin6 the period just prior to plaart t

l criticality.

Tbc field d /e pem trant inepectica of the vessel cladding was l perfonned by an A. O. hith gamlity Control Department Inspector in accordance with A. O. Emith's S.peci.ficatico MYM-PTD-3, the asses l

procedure prvviously approved by Westinghouse and used during the qualicy centrol inspections conducted in the-A. O. Snith shop peier to delivery of thg,wessel.

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anstu grirvitng wheels aM bur"ts. This grindine, operstian restilted 4

in the numwel of frm 1/16 inch to $/8 inch 6epth of metal. The rimal cont <nr efter grinding una shapd to a nM blend redlus.

Plaster costs werv =Ar of the new catour redius restdtig frtm the gri:viira; eserst ton. A st:.uty of these cast n iry A. O. Smith perscenel c.ad Westingr use irgilemted th.t tie rmw ecotour mec satis *setory fram the stat 4 mint of et:vse conxatration.

!Y , kas:mq, Althm@ the dr: renetract 1.miistion dercribr-1 abcve in rrs rey attfected the safety or isttegrity of tJw res-tu vesed, field zvphirs were cac3etei ao th.t all Exu of t: e was il e1wina are ocw with12. acceptable espce limit.s. A ecoqua'a review of all dye pemtrent inspectics records on tbr ver.ac1 and closure head uns sale a_t A. O Ihaf tb Ccquorstico in M11m4ee, Viaccasts.

Ctaqplate inspe:tian records were fcNnd on all areas of tbs rea,. tor-essel and cloncre used except for the vessel .f"uunge area (ftmoes 1, 2, and 3). Tt:e la* cf records . indientes ikt t,he &,m penetreat inspection in this area was imedwrtent),y overicded durig the trumlity ermtrol operations a the wel prior to shipment. This avhh tt 1 di:stirr.a found durict tie field dye penet: mart exemhtion descriW above.

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WOStinEhNse tiectric corperii:an Apr1.1 25, 1 M SK J-Sy>

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Mr. D. R . I.ee s , Ge rvra,1 MacAge r Sutm. helear Ixyriscntal Ccepeatico P.O. Du S2 Ikniing, Pesaay1iccis tea.r D.n:

Omra feector Weoc.)

Vith t.his lit tsr I esa omwiing you f1tu (5) oopias of cur twport e avering the &yc ;wretrant itapectim of the reaator vess.cl flarc l ar.d cL.mur? Wad. I think the report shodd 4;1re AEC tk assursaat ucy went umt our veneel is five rr:ss cischs on tte 1 nce clad rusfa:e .

W have nat tried tu over up the fstlure of A. O. Smith to tasps.it the oiriaide surface of t.% flan 6e nor the 6efects found. Ecurver, I believe we have ex3;laimd them in such a way that no e.larna viu '

be genersted.

If yce. r.eed any more c.oples of the repart, I can obtain thes for 1 YA.

I i nry trula yours, 1

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f. U. Pc w u , Mana E.ar thrton Emactor Projoet i

l EJP/Im Encloswes 5 I

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