IR 05000602/1988003
| ML18285A668 | |
| Person / Time | |
|---|---|
| Site: | University of Texas at Austin |
| Issue date: | 07/05/1988 |
| From: | Johnson N NRC Region 4 |
| To: | University of Texas at Austin |
| Shared Package | |
| ML18285A704 | List:
|
| References | |
| IR 1988003, NUDOCS 8807190351 | |
| Download: ML18285A668 (3) | |
Text
{{#Wiki_filter:/\PP[NOJX NUCLlAR REGULATORY COMMISJON RlG ION IV NC Jnspe1.t.ir;r; Repor f,(J?/88-03 Const*uction Permit: CPPR-123 Lxpirat ion Date: December 31 1 1987 t 1 , P n <:, I'* I':' . Un i v er :, i t y u 1 1 f x a :: Cul 1 f'tjf' id [ nq i flPPI i nq fif*pcH *tmPn1 ,if Mect1anical lritfiru:. erinq Nucl1:*at Lnq1neP1in1 f'roq1am r.. u'-1,n, lPX<:1'c 7Hll? f <'11 1 , t y Namr** N\H li-*,:n fnqinee, 1nq leachinq Lab(Jiatory (NLTL) (TRIGA l Mw) NI l L 1:,3 l ( 01w, RPsP,n-ct1 Cente, , /rns tin, f rxas lU!if' Jh dli(l ] .? * Fl8h 7/s/'61-
""'*------*
1Jale
*K"'
7 /sI y uate
!'\"__.....-*.__________
iHPd"* 11'1'.:J!F(t!:,il f(uu1 inc, anrwunu*d in'.,pPct i,rn o1 the c,hield wall concrete 1,l.=Hl'lllPtd fo1 11w N!TL fd(ilit khuit, Withir1 Uw ,ppa, 1n:,pNted, n() vi(Jlatinns or dPviations were r;i f-i*,*:i*rTr 1 p(l.
- ,,:*. l l *7 1 <,,*1 :: r:., 1 ,_,<: -{, l l
':;. *.. * ,
f-*t-;! ;:, 1 I- 1*' .. Afi1*1i- f t 1-** 1 \ l\ 1 . . 1 1
!-' f .
DEl AILS Persons r:ontacted
"'*J. W. Green, Construction Inspector, NFTL 13. Wflbb, Seninr Project Manager, Const.ruction Jncorrorated e:i Texas (CJ T) "'T. L. Bauer, Assistant Director, NETL J. McFarland, Project Superin tendenL C1T, r:onstruction *C. Estes, Engineer, Wilson Stoeltje Martin, In *M. Crane, Engineer, GA Technoloqirs *Denotes ir1dividuals contacted for Pxit interview.
'. Observation rif_ Nuclear F:::r,ineerin_g__ Tt*rich_ Laboldti::_!J' (NCTl) Uner Construction The purpose CJf this in.peclion was to cit-,serve construction prMtices and placPnwnt of concrete for the fint lif t of thr shield wa11 nf the TRlC i/; M*rk II reactor. The fit:,t iif t was to her feet with 1,0 construction join The NRC inspector rev*i'::v1ed the "ipecif icili.ion tor N[TL Bdlrones Pe,earch CentPr," Project No. 102-56fi, dilted September 15, 19e(,. This spetificati0n was developed for tl1e total construction of the NUI. The NfC inspector reviewed Section 131f\O of the specif icfltion, which contilined the concrete and reactor tank criteri RPview of the specification indicated that the criteria used wrre referenced from the standard ACl concret(0 corle, such as AC I 3H, 11 Bui l ding Code Requirements for PeinfM'CPrl ConcretP,° and ACJ 301,
"Specif ication for Structural Concrete for Buildinos. Althou9h this specification was not in detail in all respects, it did reference the codes which werr Jsed in the work performed. The specificr1tion was df'trrmined to hP adequat Observations Tank The Nl':C: inspector and the CIT senior project mrrnc'(H*r entf1 rt1 d the reactor tank tn ohserve it sufiicient t,,-,H-in9 and .tq,port was in s ta 1 l Pd i n s id c thc tan k t o p n, c 1 u de n n y d t'f o rrn a t i on v.' hen concrete is placPrl around the out0r rerietrr. Observations indicated that. adequatr* :,tipD(H*t braciny was instti'lr ThE- NP( i r1::ipector a 1 so e, ami nf'd the outer prntect i ve coating 011 the tan and the orientation and lyout of the eamports. The protctive coating appeared to be of the type specified, and the beamports were properly or1entPd and adeouately supporte The NRf inspector e,amined the qeneral configuration and staLil ity of thP forrr wod iur thf* placPl11f'nt. [xami11a1 ion of 1.he r0inforc1ng steel indicatd that thP instbllation, size, and <::.pdcing was in dccordanu with the cjP.t.ail drawinus. There was one 1ncation where thf* reinforcement did not rnnt the minimum H-spMiny criter*ia; however, Hie constructor corrrctl::'d the sit uation. Thf NPC inspH.Ull considerfrl this to he Mi isolated ((!'..f'. Observation of the cvi:,rr.11 clNrnliness indicrited that n1ore wod \'lflS nPedPd. The CIT construct.or informed the NPC inspect(1r that fin bi <1eaning had not taken placP. The cow,tructor <:.tiited that final clecrninq would he done with a hiyh µrfssure water r,c22le several hours prior to placenwnt. The NP(
inspf:*ctor then que5'tioned thr presence of wha't. appe,irPd to be u;ii1-tar rf'sidtH:> 011 Ulf' ih,or whict1 Wei left ofter the dpp11catfon to tt1P rractor tank. The CJT cCJnstructiori
\Uperintenrfont told thf NPC inspect<,r that i1f had informed Cf; Technology cf tri; ii,sut iJlso. The (1P\ Technology enyine(rin9 representrH ivP at ttif* site iniurrnerl the NPC inspPctor that srnal 1 amounts of ns1due would nc,t ,:dfect the placemer,t. He also
'>tated that he would f'Yiln*ine the pliH.. ernent aftrr fina*l cleaning i11 1d make d _i11dqement a<; tc whether or nc,t the clhH1linpss wa<:,
?.<equat ;i not, then thr surfacf: would tw chipped or grour,d clean. Tht* t-.r,C inspector inforrneci the licensf.'e that if *1arge amounts of coa;**tM re,idur were leit in pl,HP fo l lowing the fin;:11 frspection, then documentpd chanqf:S te the srPci11e.atio11 c,r ii field chanqrc rpquest justif yincJ and approvrny the conditirin would br nPressr r t t l pp ho rv c on versa t i ( 1 r: w i th Mr * 1 rnr Rauer , N f l , on , i u n e ? () ,
;c:u, a1 appr0Yim0h:ly 1: F p.rn. confirmed that aftPr final c le;inq the cnal-1fr residue was removed. final clearing as
-'
:,nt obse1'\ed liy thP f-!PC ir,':,pect(!r. :tie pl11cPn1Pn1 of 100 yd wc15-rnr1de between j;':00 ri.rn. ctr1ci t:00 n.rri. Oli ,June Jf:, Jf!P ['iscu-:':,H*ns t,y telPphc)ne with Mr. , i . (ireen, N!TL. construct inn 1ris1*cctor, <W ,!ure , 19iJ, indicatPtl that contHT:s raised by th1, Nf'.C in<:.pector v1r::*n' corr1 1 r1.1,d and were vr:,rifi,rl hy Mr. Gnen.
1hP NFC iw,r*H:tpr di'-tU,<.,ecl Uif. n,cult:c rd the H1',pf'C!l!,n \<.1H1 thw.r i t l1 i v i du t1 1 '. r 1 c i t, d 1 n ,., a t, d ) a p h 1 c n t: u,: { ; 7 , l j }}