ML20055F743

Advises That Util 900216 Response to Bulletin 89-003, Potential Loss of Required Shutdown During Refueling Operations, Acceptable

ML20055F743
Person / Time
Site:	South Texas
Issue date:	07/05/1990
From:	Dick G Office of Nuclear Reactor Regulation
To:	Hall D HOUSTON LIGHTING & POWER CO.
References
IEB-89-003, IEB-89-3, TAC-74560, TAC-74561, NUDOCS 9007190137
Download: ML20055F743 (3)

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.ka- . UNITED STATES

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NUCLEAR REGULATORY COMMISSION m t  :) wassinctow.o.c roess July 5,,1990

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Docket Nos.-50-498 and-50-499 Mr. Dcnald P. Hall Group Vice-President Nuclear Houston Lighting & Power Company-P. O. Box 1700E Houston,' Texass 77251' "l

Dear Mr.- Hall:

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SUBJECT:

' RESPONSE TO BULLETIN 89-03, POTENTIAL LOSS'0F-REQUIRED SHUTDOWN -'

MARGIN DURING' REFUELING OPERATIONS, 50bTH TEXAS PROJECT,. UNITS 1=

, AND 2_(TAC NOS 74560 AND 7456))

On November 21, 1989,-the NRC staff issued Bulletin 39-03 " Potential. Loss of. 1 Required Shutdown Margin During Refueling Operations." The bulletin requested -i that all PWR licensees and PWR construction permit holdersttake the actions-described in the-bulletin-to_ensureithat an adequate: shutdown margin:is1 main-

'tained during all refueling operations. *To accomplish th.is, three actions w .'e described: .

1. Assure that an

- ' control rods) yintended intermediate to befuel usedassembly. configuration;(including during refueling isLidentified and evaluated to maintain sufficient' refueling' boron concentration to i result in-a' minimum shutdown margin of.approximately j5%.  !

2. Assure that fuel' loading )rocedures only allow those intermediate fuel assembly configurations t1at do_not violate the allowable: shutdown-margin:

and that these procedures are strictly adhered to.: '

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3. ~ Assure that the'. staff responsible for refueling operations:is trained in "

. the procedures recomended in item 2 above and understand the potential ,

consequences of violating: these procedures. LThis. tra.ining: should" include '

<the' fundamental aspects:of criticality control with enriched' fuel assemblies.

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PDR: ADOCK 05000498 44

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Mr. Donald P. Hall '

t By letter dated February 16, 1990 (ST.HL-AE.3350), Houston. Lighting & Power Company responded to Bulletin 89-03 which indicated that programs are in place to address P.'ll three actions described 'above. Therefore, the staff considers. '

your-respor.se to Bulletin 89 03 to be satisfactory. Our preliminary review is >

complete.

Sincerely, ,

't Original signed by: ,

George. F. Dick, Jr., Project Manager s

. Project Directorite-IV.2 '

Division of Re,'im Projects - III, f IV, Y and S;.4't' Orojects Office of Nuc1cer tesctor. Regulation .;

cc: See next page DISTRIBUTION:

(picketiriled NRC PDR Local PDR l D. Crutchfield ,

B Boger  :

J. Weibe D. LaBarge ,

E. Peyton G. Dick

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E. Jordan ACRS (10)

PDIV.2 R/F-P01'l-2 Plant File a

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0FFICIAL RECORD COPY Document Nane: STP182 BULLETIN 8903

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. Mr. Donald P. Hall - 3-

.I cc:

y' Senior Resident Inspector Jack R. Newman, Esq.

U.S. Nuclear Regulatory Commission: Newman &'Holtzinger, P.C.

P. O. Box 910 ,

1615 L Street, N.W.~-

Bay City, Texas __77414 Washington, D.C.--20036 Mr. J. C. Lanierl Licensing Representative i Director of Generation Houston Lighting-and Power Company- 1

- City of Austin Electric Utility , Suite 610-1721 Barton Springs Road Three Metro Center- 1 Austin, Texas- 78704 Bethesda, Maryland 20814 y

-Mr. R.JJ. Costello Bureau of Radiation Control- 3 Mr. M. T. Hardt. .. State of Texas.  ;

City Public Service Board L 1101- West 49th Street' P. O.-Box.1771 ,  :: Austin, Texas; 78756 I San Antonio,sTexas 78296 V

, Rufus S. Scott- i' Mr. R. P.-.Verret Associate Caneral Counsel Mr. D. E.-Ward ' Houston Lighting _ & Power Company Central' Power and Light Company -P. 0. Box'61867 '

P. O. Box 2121 HoustonbTexas 77208 '

' Corpus.Christi,-Texas 78403-i INP0-Records Center

.2 1100 Circle 75 Parkway.-

Atlanta, Georgia 30339-306_4 ,

Regional Administrator, Region IV U.S. Nuclear Regulatory Commission 611 Ryan Plaza. Drive, Suite 1000 .

1 Arlington Texas 76011 Mr. Joseph M.'Hendrie 50 Be11 port Lane- '

Be11 port,,New York 11713' l

Judge. Matagorda County

• Matagorda County Courthouse 1700 Seventh Street-Bay City, Texas. 77414 Mr. M. A. McBurnett Manager, Operations Support Licensing Houston Lighting-&; Power Company P. O. Box 289:

b dsworth, Texas. 77483

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