ML19350B531

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Presents Info Verifying Adequacy of Corrective Actions Committed to in Response to NRC Order to Show Cause.Asme safety-related Welding Will Be Resumed on Regular Basis on 810316
ML19350B531
Person / Time
Site: South Texas  
Issue date: 03/13/1981
From: Oprea G
HOUSTON LIGHTING & POWER CO.
To: Seyfrit K
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION IV)
References
ST-HL-AE-637, NUDOCS 8103200755
Download: ML19350B531 (3)


Text

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ST--L AE-637 Direc*or, RCI, OIE 5FN: V-01ia Director, AE00 Chief, OE3, MPA

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eferences:

(3) MLi? le-er ST-HL AE-575 catec Novem er 19, 193C

%y (b) NRC Regicn IV le? er dated Never:er 21, 1930 g

fc) HL1? le-er ST--L-AE-590 cared Cecem er 17, 1950

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(d) NRC Region IV letter ::aTec Januar/ 5, 1981 Cear Mr. Seyfrit:

3cuth IeX3s Pro,IOCT L'n iTs 112 Cccket Nos. STN 50-493, 5 N 50 '99

esum:Tien of Ssfetv :elatee ASVE Weldine in accordance wirn Oeferences (a) and (), ASVE saf e*y-relarec r:cucTion aelaing was resTar ed On a limited casis er "Tvem er 24, 1950.

The welding nor< was extanced On Januar/ 5,1931, in accordance wirn a Ten-week work clan su:mitisc TO ine NFC and auTncri:ed via References ;;) an: (), res-

ectively.

The ASME safety-re t arec welding :erfor ed 70 da s nas verifisc T m? ne c0rrecTive acTicns c0mmiTTec TO in our res:Onse 0 ne NOC Crcer TO :new Cause are acecuaTe anc are being sati3 fact 0rily im lemenrec.

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7 e ASUE nel:ing activities :er'cr ec TO care nave verifisc 79aT-Vanagement sysTe-s anc s ecial Or:cecures esTeclisnec On roi ASME safety-relarec welcing are 3::ecua e anc are :eing sarisfacrerily i clementec.

2.

Training Of :ersOnnel is acecusis.

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Iraf'ing recuirec 0 50Tn ;;erform anc -anage *ne wor

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Housten I.durg.t. f'oner Company Mr. Karl Seyfel?

ST-HL-AE-637 Maren 13, 198I Page 2 The acecuacy cf tne :Orrective actions is reflec?sc Oy The f0licwing:

I.

The repair rate of ASME Class 3 pipe. elds (Otner than SCW) performed since January 5,1981, has Oeen maintairec a?

300u? 2%.

2.

The reject esTe of raclogra hec ASVE Class 2 pice aeles performec since January 5,1981, is 05.

3.

The reject rate of radiogracned burt welds in Aluminum-Sronze ECW : icing is about 225. This re resents a signi-ficant recuction in tne weld repair rate On inis system.

The re: Orts issue ty the inde:encen? tnir:-carty ins:ector surveying The nelding restart activities indicate ina? ?ne

ersonnel, precedures, Training, anc controls associated witn ASME safety-relatec welding are adecuate and are :eing Orc-perly im lemenTed.

5.

Results of cur cuality assurance ins:ections of ASVE welding performec To cate have snown that cuali?/ recuirements have been Tet.

Cur. understanding of recent NFC inscection results confirms that no items of nonecmaliance or ceviariens have been identified.

We 4111 ce ready to resume ASME safery-relatec welding on a regular Or: duction basis en Maren 'l6,1931, and to integrate future ASME we!cing In?0 in'e normal Or0 ject construction scne:uie. Please acvise if you have any cuesTiens cen-cerning tnis plan.

Very truly yours,

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Ixec,utive Vice resicen?

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Housmn Lighting & Power Compam March 13, 1981 ST-HL-AE-637 cc:

J. H. Goleter9 SFN: V-0110 D. G. Sarxer Page 3 Moward Pyle R. L. Walt 's H. R. Cean D. R. Beeth J. O. Parsons L. K. English J. W. Briskin R. A. Frazar STP RMS H. S. Phillies (NDC)

J. O. Reac (Reac-Poland,Inc.)

M. O. Schwarz (Baker & Botts)

R. Gordon Gccch (Baker & Sotts)

J. R. Newman (Lowenstein, Newman, Reis, & Axelrad)

Direc ce, Office of Inspection 1 Enforcement Nuclear Regulatory Ccemissicn Washington, D. C. 20555 M. L. Sorchelt Charles Sechneefer, Escuire President Chairman, Atomic Safety & Licensing Boarc Central Pcwer A Light Company U. S. Fuclear Regulatory Ccemission P. O. Scx 2121 Washingten, D. C.

20555 Corcus Christi, Texas 78403 R. L. Range Dr. Janes C. Land, III Central Pcwer & Light 313 Woodhaven Read P. O. Box 2121 Chapel Hill, North Carolina 27514 Corr"s Chrisci, Texas 78a03 R. L. Hanccck Dr. Enreth A. Luebke Director of Electrical Utilities Atomic Safety & Licensing Board City of Austin U. S. Nuclear Regulatory Commission P. O. Box 1088 Washington, D. C.

20555 Austin, Texas 78767 T. H. Muehlenbeck Citizens for Ecuitable Utilities, Inc.

Ct:y of Austin c/o Ms. Peggy Bucnorn P. O. Sox 1088 Route 1,. Box 168a Austin,. Texas 78767 Brazoria, Texas 77422 J. B. Poston Pat Coy Assistant General Manager of Oceraticns Citizens Concerned About Nuclear ?cwer City ?uclic Service Board 5106 Casa Oro P. O. Sex 1771 San Antonio, Texas 78233 l

San Antonio, Texas. 78296 l

A. venRosencerg Eetty. Wheeler, Escuire City Public Service Scard Mcffman, Steeg & Wheeler P. 0.-Sex 177' 1008 S. Macison San Antonio, Texas 78296 Amarillo, Texas.79101 Brian E.'Berwick, Escuire Bernard M. Sordenick, Esquire Assistant Attorney for the State of Texas Hearing Atterney P. 0.- Box 125a8 Office of the Executive Legal Director Cacitel Station U. S. Nuclear Regulatcry Cennission Austin, Texas 78711 Wasnington, D. C.

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