PNO-IV-80-007, section of Reactor Containment Bldg Steel Liner Was Inadvertently Bulged During Volumetric Determination Using Water Under Pressure.Cause Not Stated

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PNO-IV-80-007:section of Reactor Containment Bldg Steel Liner Was Inadvertently Bulged During Volumetric Determination Using Water Under Pressure.Cause Not Stated
ML20126B521
Person / Time
Site: South Texas STP Nuclear Operating Company icon.png
Issue date: 02/13/1980
From: Crossman W, Hubacek W
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
To:
References
PNO-IV-80-007, PNO-IV-80-7, NUDOCS 8003130388
Download: ML20126B521 (1)


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PP2LIMDU.RY NOTITICATION __

February 13, 1960 PRELIMI. NARY NOTI?1 CATION OF EVENT OR CNUSUAL CCCUFJINCE -- FNO-IV-80-07 This preli.: 1._ary notification cons titutes ?>JJ Y notice of events of POSSIsta S.dety or oublie interest sicni.ficance. The information presented i_s as

_ initially received without veri.fication or ev.tluation and is basically all that is kncv: by LE staf f on this date.

T ACI_LI-'f : Rausten Lighting and Power Ccapany (HLSP)

Scuth Tens Proj ect, Unit 2 DS 50-499 SU3 JECT: CONTAImiDI LINER 3ULCE The South Ter.as Proj ect (ST?) Residen: Reacter Inspector (PSI) was inforned that a section of r.he Unit No. 2 Reactor Cantaire.c:t Building stect 1.iner vas inadvert-ently bulged while efd_ng a volur.ecric de:ereination of a void using vater under pressure. A subsgquent folicv up by the ?2I revealed that the bulged section Era an arca O cf 1CO ft' at an elevatica between 13' and 23' and centered a: an 2::inuth of 2'.3 . The :aamun deformatien of :he bulge appears to be apprcrincely 5 inches.

Media in: crest is expecte.d due to the high seita interest in STF; however, to press re' ease was nada or planned by the licer.see or NRC,

~he site constructica progress of Uni . No. 2 in currently 11%. There is no Sia on si:e.

F.e31on IV. A-li.ng ton. Ter_ s , received notificatio: of this occurrence by telephc e f ron the ST? R?J at 2:30 p.=. en February 7,1980.

COSTACT: "'. G. Eubaeak, II;- 3 3 4-2 411; ',,'. A. Crossnan, RIV 334-24L1 Dis tribution: Trar.snitted H St .

Chai: nan Ahearne Cc 1ssioner Ec:.drie S. J. Chil'c , SI~Y Cec =is si:ner Gilinsky Connissione: B rad.f ord C . C . Ka =ne r e r , CA Co:~dssic .er Kennedy ACPSS (For Dis tribu::icn)

Irans: nit:ed: MN33  ?. Bldg. IE:XOOS (IE:Ea Di; W. J. Di.:cks, EDO E. R. Denten C. Michelson, A?4D R. C. DeYoung , NRR SS 31dg. __

J. J. Fouchard, ?A R. J . Ma t t s on , IG2 J. G. Dav d s, ?NSS S. M. Haller, MPA '

D 7assallo, NFS S. Lcvi.cc, RES R. C. Ryca, OS? D. Eisenhut, NF2 H. K. Shapar, ELD J . J . Cn- Mg s , 01A (Mail)

R. Minogue, SD IE: XOOS PRELIXIN.G.Y SOII?ICAIl0N 8003130 3%E