ML20248E612

Forwards Safety Evaluation Re Deletion of Dynamic Rod Drop Test,Static Rod Cluster Control Assembly (Rcca) Test & Rcca Below Bank Position Measurement Tests Based on Review of Util 890728 Submittal.Deletion Acceptable

ML20248E612
Person / Time
Site:	South Texas
Issue date:	09/21/1989
From:	Dick G Office of Nuclear Reactor Regulation
To:	Vaughn G HOUSTON LIGHTING & POWER CO.
Shared Package
ML20248E614	List: ML20248E612 ML20248E615
References
TAC-67993, TAC-69169, TAC-69170, NUDOCS 8910050340
Download: ML20248E612 (4)

Text

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Ds: - Le LSeptember 21', 1989' g

Dock'et Nos. 50-498?

and 50-499'

Mr. G. E. Vaugtin . ...

Acting _ Group Vice-President, Nuclear-Houston Lighting & Power Company P. O.-Box 289 Wadsworth; Texas 77483

SUBJECT:

DELETION 0F INITIAL STARTUP TEST #26 (DYNAMIC R0D DROP TEST) h LAND INITIAL STARTUP TEST #27 (STATIC RCCA DROP AND RCCA BELOW-BANK POSITION MEASUREMENTS TEST),: SOUTH TEXAS PROJECT, UNITS 1AND2(TACNOS.' 67993,69169,AND69170)

. By letters ' dated ' July. 28, 1989'(ST-HL-AE-2694 and ST-HL-AE-2695), Houston Lighting & Power CompanyL(HL&P), pursuant to License Condition 2.C(4) of~ .

License No. HPF-76, informed the NRC that it was making changes to the initial test program for the South Texas Project, Unit,1. The changes were the deletion of.the subject tests.

In' response te' a staff request, HL&P provided additional. information; in particular the results of the tests conducted on foreign reactors with similar cotes. After review of the test results, we concluded that the 14 foot core at Sceth: Texas behaves in a similar manner as the 12 foot cores. Thus we find

-deletion of.the tests to-be acceptable.

, Our Safety Evaluation is enclosed.

Sincerely. OriginalSlaned By George F. D!ck,Jr.

George F. Dick, Jr., Project Manager Project Directorate.IV Division of Reactor Projects - III, IV, V and Special Projects Office of Nuclear Reactor Regulation

Enclosure:

As stated cc w/ enclosure: 8910050340 890921 See next page PDR ADDCK 05000498 P

DISTRIBUTION ADocket fileJDa NRC PDR Local PDR PD4 Reading G. Holahan- ADR4 F. Hebdon P. Noonan G. Dick OGC-Rockville E. Jordan B. Grimes A. Gody.

M. Chatterton ACRS(10) .PD4 Plant File OFC :PD-IV/ -)D /PM :PD-IV/D NAME :PNoonan  ; :sr :FHeb on  :  :  :  :

'DATE.:09 89- :09y4/89 :09/Jt/89  :  :  :  :

OFFICIAL RECORD COPY- -

Document Name: STP TEST ()h{

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' q.fu uc%[o g . UNITED STATES NUCLEAR REGULATORY COMMISSION 3 .E WASHINGTON, D. C. 20555 A '

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f September 21, 1989 4

Docket Nos. 50-498 and 50-499'

'.A. G. E. Vaughn Acting Group Vice-President, Nuclear Houston Lighting & Power Company

.P. O. Box 289 Wadsworth, Texas 77483

SUBJECT:

DELETION OF INITIAL STARTUP TEST #26 (DYNAMIC R0D DROP TEST)

AND INITIAL STARTUP TEST #27 (STATIC RCCA DROP AND RCCA BELOW-BANKPOSITIONMEASUREMENTSTEST),SOUTHTEXASPROJECT, UNITS-1 AND 2 (TAC NOS. 67993, 69169, AND 69170) 1989 (ST-ML-AE-2694 and ST-HL-AE-2695), Houston By letters Lighting datedCompany

& Power July 28,(HL&P), pursuant to License Condition 2.C(4) of License lio. NPF-76, informed the NRC that it was making changes to the initial test program for,the South Texas Project, Unit 1. The changes were the deletion of the subject tests.

In response to a staff request, HL&P provided additional information; in particular the results of the tests conducted on foreign reactors with similar cores. After review of the test results, we concluded that the 14 fcct core at South 'lext! betsves in a similar manner as the 12 foot cores. Thus we fino deletion of_the tests to be acceptable.

Our Safety Evaluation is enclosed.

Sincerely,

_) .l

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p -f- (R George F. Dick, Jr./g Project Manager Project Directorate IV Division.of Reactor Projects - III, IV, Y and Special Projects Office of Nuclear Reactor Regulation

Enclosure:

As stated cc w/ enclosure:

See next page l

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___________- _ _ Q

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Mr. G. E. Vaughn South Texas Project Houston Lighting and Power Company cc:

L Brian Berwick, Esq. Resident Inspector / South Texas Assistant Attorney General Project Environmental Protection Division c/o U.S. Nuclear Regulatory Commission P. 0.' Box 12548 P. O. Box 910 Capitol Station Bay City, Texas 77414 Austin, Texas 78711 Ms. Iris J. Jones Mr. J. T. Westermeier Acting City Attorney General Manager, South Texas Project City of Austin Houston Lighting and Power Company P. O. Box 1088 P. O. Box 289 Austin, Texas 78767 Houston, Texas 77483 Mr. S. L. Rosen Vice President, Nuclear Engineering Mr. R. J. Miner and Construction Chief Operating Officer .

Houston Lighting & Power Company City of Austin Electric Utility P. O. Box 289 721 Barton Springs Road Wadsworth, Texas 77483 Austin, Texas 78704 Mr. M. A. McBurnett Mr. R. J. Costello Manager, Operations Support Licensing Mr. M. T. Hardt Houston Lighting and Power Company City Public Service Board P. O. Box 289 P. O. Box 1771 Wadsworth, Texas 77483 San Antonio, Texas 78296 Mr. E. T. Molnar Jack R. Newman, Esq. Mr. L. W. Hurst Newman & Holtzinger, P. C. Bechtel Corporation 1615 L Street, NW P. O. Box 2166 Washington, D.C. 20036 Houston, Texas 77252-2166 Melbert Schwartz, Jr., Esq. Mr. R. P. Verret Baker & Botts Mr. R. L. Range One Shell Plaza Central Power and Light Company Houston, Texas 77002 P. O. Box 2121 Corpus Christi, Texas 78403 Doub, Huntzing and Glasgow Attorneys at Law Suite 400 808 Seventeenth Street, N.W.

Washington, D.C. 20006 l

+

I Mr. G. E. Vaughn South Texas Project Houston Lighting & Power Company cc:

Regional Administrator, Region IV Bureau of Radiation Control U.S. Nuclear Regulatory Commission State of Texas Office of Executive Director 1101 West 49th Street for Operations Austin, Texas 78756 611 Ryan Plaza Drive, Suite 1000 Arlington, Texas 76011 Office of the Governor ATTN: Ms. Darla Parker Joseph M. Hendrie Office of Intergovernmental Relations 50 Bellport Lane Post Office Box 13561 Bellport, New York 11713 Austin, Texas 78711 Judge, Matagorda County Gerald E. Vaughn, Vice President Matagorda County Courthouse Nuclear Operations 1700 Seventh Street Houston Lighting & Power Company Bay City, Texas 77414. P. O. Box 289 Wadsworth, Texas 77483 Licensing Representative Houston Lighting and Power Company R. W. Chewning, Chairman Suite 610 Nuclear Safety Review Board Three Metro Center Houston Lighting & Power Company Bethesda, Maryland 20814 P. O. Box 289 Wadsworth, Texas 77483 Rufus S. Scott.

Associate General Counsel Houston Lighting & Power Company P. O. Box 1700 Houston, Texas 77001 i

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