ML18017A776

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Provides Supplemental Info to Re Corrective Actions Following Omission of Rebar at Two Locations. Requests Authorization to Resume Placement of Concrete & Approval of Proposed Corrective Action
ML18017A776
Person / Time
Site: Harris  Duke Energy icon.png
Issue date: 11/02/1979
From: Jackie Jones
CAROLINA POWER & LIGHT CO.
To: James O'Reilly
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML18017A774 List:
References
NUDOCS 7912130461
Download: ML18017A776 (2)


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'pECEPIEg NOV 5

$979 c:v" ~

Carolina t>o>rrr>r 6 l.igh! Company P. Q. i>ox!Ml~ ReleNin, N, C, 27602 J.* JONES Seni<>r Ezecunee V~ce Pre>ioent Cnier Operaling Oaicer NoveL~bcr j i 9 7'>

tir Jaues P ~ O'Reilly, Director 1.e<;ion IZ United S ta tcs

!?uclear 1<cgula tory Con~siss ion 101.'~rictta Street,

'.<orth<<est Atlanra, Georpia 30303 SHEARO?l tuhP.f'IS

?'UCLEAR PO':E.. PLld'T, U!'ITS HOS 1, 2, 3, AhD 4 DGCtZT tlO~

50-400, 50-401, 50-402, A??Q 50-403 ADDITICtlQ. ItiVOIV.J!TIOit-I.'iVESTICATIOli At!D CORAECTIVI: ACTIO."<S 120LLOi'11:0 0 ISSIOt:

OF t r:DAAT

'WO I OCATIO;,S

Dear tlr. O'Rcilly:

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r It This letter <<ill provide suppleraental inforaation and corJnitnents to our letter of t>overnber 1,

197<),

on this ~ubJeccti P'ease note a typo;;raphic 1 error on Pa;;e 2, Para"ra?>h 3 of our HOVCnh " 1, 1979, I.tter, "AS;lr" OuSly r< pl~est<.d tO ynur Sta"f

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should - a's

><a;doudlr ~e>

"-cd to >dud "da<f (2)

We wish to further explain that where nissinbars are detectr.d, our procedure requires that a CI/QA ilold bc plRccrl upon tnat operation pcndin~ resolution of the outstandino discrepancy report (0.>s).

1'uring this period of resolution>

co:lc '

will not be pl iced '

tn<'. a fected area Pcsolution will bc made by either installin the r.:i,ssin>

bars or by resolution specified by thc Cn,inccr (Cbasco) in nn approved c'ield Change Pcquest (FC<!) or Pert!anent Waiver (P<1) ~

(3)

On Pa'c 3 of our tlovc~bcr 1, 1979> letter, certain data is presented in the last paraprat>h rettardin<

laissin;; bars and thc perccnta;,c they represent, We have rc-veri.'cd that th>>

132 nissini; bars out of a total of 21,707 bars

'ocs represent O.GOO percent phc fi"ure 132 bars includco the 52 bars.-lissin;; froa the south wall of RKB.'do~. 2.

Without thc 52 bars, a total oi 80 bars are. i..sin from a total of 21,707 bars which rcpr cs nts a ?>erccnta;;e of 0.365 percent.

?>o credit is taken for any extra bars <<hich are con <<ined in walls involved in this analysis.

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'J;usus Ps 0sfuf,lly j

,Hovumbur 2, 1979 (4) llc have made the followin,; chun"uu to curtain oi our proccdurcs:

Revision 13 of <1P-05, "Concrete Placement

" is Dain'fa<fc as Follows:

Para,",raph 2.3 '

(ncw sub-iten)

"Verify, by count, that lap splices shown on dusipn drawings arc prgsunt

<<nd that they nave the required lent th and location."

Revision 2 of TP-22, Inspection of Rubar Installation," is Being Hade as

."olloos:

Paragraph 4 1.2 (change to read)

"Verify rcbar quantity, type, size, pro)ection and lap splices shown on dcsif',n drawings are present and that they have the required length and locations" Hote!

Procedures will be revised ll/2/79 and all placenents will be inspected to this criteria prior to concrete placement.

Me hope that this additional informatio~

muitments will assist you in your determinations.

~e request your authoriz t n to resume placement of Class I concrete, containing reinforcinssteel,

. ept for the Unit Ho.

1 containment build'"." exterior wall anu Unit flo.

2 reactor auxiliary building south exterior w"'l.

"e reconizc tnat repair on these arfected walls cannot comtLence until f!RC approval is obtained for the proposed corrective actions 4e appreciate your cooperation in this matter; and should you have any questions, please contact Mr. !f~ A. !fcDuffiu, (919-lj36-6663) ~

Yours very truly JAJ/nf QRfClRAL SlG)",ED BY

3. A. JORE$

'o Ao Jones Senior Executive Vice Prcsiden't Chief Operating Officer bcc:

Hr. N. J. Chiangi Dr. T.

S.

Elleman Hr.

G. Forehand Hr. P.

M. Howe Mr. M. B. Kincaid Hr. A. H. Lucas Hr. H.

A. HcDuffie Hr.

S.

,'fcHanus Hr. A. L. llorris Hr.

R.

H. Parsons Hr. Shcldon Smith Hr. T. fl. idyllic Hr. S.

R.

Zimmcrman