ST-HL-AE-5115, Forwards Unit 1 Summary Rept of Test Results Taken During Startup & Power Ascension

Forwards Unit 1 Summary Rept of Test Results Taken During Startup & Power Ascension

ML20086A839
Person / Time
Site:	South Texas
Issue date:	06/29/1995
From:	Cloninger T HOUSTON LIGHTING & POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
ST-HL-AE-5115, NUDOCS 9507050057
Download: ML20086A839 (7)

Text

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The~ Light company Houston Lighting & Power ut em rject ectr c ener.t og tat n . O. Box 289 Waworth, Texas 77483 June 29, 1995 ST-HI,AE-5115 File No.: G02.06 10CFR50.36 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington ,C 20555 South Texas Project Unit 1 Docket No. STN 50-498 Unit 1 Cycle 6 Startup Testing Summary Report South Texas Project Technical Specification 6.9.1.1 requires a summary report of appropriate plant startup and power escalation testing following the installation of fuel that has a different design. South Texas Project, Unit 1, installed 48 feed fuel assemblies with Integral Fuel Burnable Absorbers (IFBA) during the recent Cycle 5 to Cycle 6 refueling outage. The IFBA is a design change, and a departure from standard discrete burnable absorber assemblies.

The attachment to this letter is a summary report of the test results taken during startup and power ascension. No corrective actions were required to obtain satisfactory operation.

If there are any questions, please contact Mr. D. A. Leazar at (512) 95.

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. H. onynget Vice resident, N r Engine : ring JMP/ps

Attachment:

South Texas Project Unit 1 Cycle 6 Stanup Testing Summary Report 0 3 G G *,;

9507050057 950629 PDR ADOCK 05000498 ,

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9

Houston Lighting & Power Compan

. ST-HL-AE-5115

- South Texas roject Electric Generat ng Station _

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Leonard J. Callan Rufus S. Scott Regional Administrator, Region IV. Associate General Counsel

.U. S. Nuclear Regulatory Commission Houston Lighting & Power Company

. 611 Ryan Plaza Drive, Suite 400 P. O. Box 61067'

- Arlington, TX 76011-8064 Houston, TX' 77208 Thomas W. Alexion Institute of Nuclear Power -

1 Project Manager Operations - Records Center U. S. Nuclear Regulatory Commission 700 Galleria Parkway Washington, DC 20555-0001 13H15 Atlanta, GA 30339-5957 David l i. Ij,oveless ' '

~

Dr. Joseph M. Hendrie

'SF.'Redide'n't Insdec'tdr 50 Bellport Lane c/c U. S. Nuclear Regulatory Comm. Bellport, NY l1713 P. O. Box 910 Bay City, TX 77404-0910 Richard A. Ratliff Bureau of Radiation Control J. R. Newman, Esquire Texas Department of Health Morgan, Lewis'& Bockius 1100 West 49th Street 1800 M Street, N.W, Austin, TX 78756-3189 Washington, DC 20036-5869 U. S. Nuclear Regulatory Comm.

K. J. Fiedler/M. T. Hardt Attn: Dacument Control Desk -

City Public Service Washington, D. C. 20555-0001 P. O. Box 1771 San Antonio, TX 78296 J. C. Lanier/M. B. Lee J. R. Egan, Esquire City 'of Austin Egaa & Associates, P.C.

Electric Utility Department- 2300 N Street, N.W.

721 Barton Springs Road Washington, D.C. 20037 Austin, TX 78704 C. A Johnson Central Power and Light Company P. O. Box 289, Mail Code: N5012 Wadsworth, TX 77483 k

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9 ATTACHMENTI SOUTH TEXAS PROJECT UNIT 1 CYCLE 6 STARTUP TESTING

SUMMARY

REPORT l

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. South Texas Project Unit 1 Cycle 6 Attachment

. Low Power Physics Testing Page 1 of 4

1. CRITICAL BORON CONCENTRATIONS (PPM):

Design Review Criteria (DRC): ISO ppm Acceptance Criteria (AC): i1000 pcm (142 ppm)

Predicted Measured (M-P) Pass / Fail Pass / Fail (P) (M) ppm DRC AC ARO 1955 1931.6 -23.4 P P CBC-in 1835 1816.2 -18.8 -

P

11. ROD WORTil MEASUREMENTS (Rod Swan Method Used)(PCM):

1 Design Review Criteria (DRC): Reference Bank (CBC) within 10% of predicted Other banks within 15% or 100 pcm (whichever is greater) l Total s 110% of predicted Acceptance Criteria (AC): Reference Bank (CBC) within 15% of predicted 1 Other banks within 30% or 200 pcm (whichever is greater)

Total 2 90% of Predicted Predicted Measured Delta Percent Pa all Pasdail RCCA Bank Worth Worth (M-P) Difference

! (pcm) (pcm) (pcm) (%)

Control A 767 738.5 -28.5 -3.7 P P 4 l

Control B 699 713.4 14.4 2.1 P P j 1

Control C 839 810.2 -28.8 -3.4 P P Control D 426 433.8 7.8 1.8 P P Shutdown A 314 349.5 35.5 11.3 P P Shutdown B 717 696.3 -20.7 -2.9 P P

{

Shutdown C 337 357.9 20.9 6.2 P P ) 1 i

Shutdown D 350 359.7 9.7 2.8 P P Shutdown E 387 378.2 -8.8 -2.3 P P Total 4836 4837.5 1.5 0.031 P P ARO: All Rods Out CBC: Control Bank C

% Difference = 100 x (M - P) / P l

Attachment

. Page 2 of 4 South Texas Project Unit 1 Cycle 6 Low Power Physics Testing III. 6 ): i10% of Delta (12 ppm)

Design Review Criteria (DRC none Pass / Fail Acceptance Criteria (AC): Pass / Fail AC (M-P) DRC -

ppm Measured P Predicted -4.6 entrations.

115.4 120 ce Bank-in boron endpoint conc f

Delta: Difference between ERATURE COEFFIC theMARO and Re eren IV. M ):

Design Revie'w Criteria (DRC 12 pcm/ F none "

Acceptance Criteria (AC): ^ "

C Error (M-P) -

Measured P Predicted 0.2

-2.6

-2.8 NT (ECJf//*E)*1 TEMPERATURE COEFFICIE_

V. INFERRED AROnoneMODERATOR l limits established Design Review Criteria<(DRC): +5 pcm/ F, or rod withdrawa Acceptance Criteria (AC): " "

Adjusted C

P Measured -

Predicted 0.0*

• 0.7

-0.9 Coefficient (-1.9 i g the Doppler Temperature Inferred MTC is obtained by subtract nrature Coefficient.

pcm/ F) from the Isothermal ~

certaintyTempe and IFDA correction.

N ' ^"eted MTC includes measurement un

. South Texas Project Unit 1 Cycle 6 Attachment

. Low Power Physics Testing Page 2 of 4 III. HORON WORTII (PPM):

Design Review Criteria (DRC): 10% of Delta (12 ppm) ,

Acceptance Criteria (AC); none Pass / Fail Pass / Fail i Predicted Measured (M-P) ppm DRC AC  ;

120 115.4 -4.6 P -

Delta: Difference between the ARO and Reference Bank-in boron endpoint concentrations.

IV. ARO ISOTilERMAL TEMPERATURE COEFFICIENT (lTC) (PCM/ F): I Design Review Criteria (DRC): i2 pcm/ F Acceptance Criteria (AC): none

.Pa all PasWail Predicted Measured Error (M-P)

-2.8 -2.6 0.2 P -

V. INFERRED ARO MODERATOR TEMPERATURE COEFFICIENT (PCM/ F)*:

Design Review Criteria (DRC); none Acceptance Criteria (AC): < +5 pcm/ F, or rod withdrawal limits established Pa all PasWail Predicted Measured Adjusted

-0.9 -0.7 0.0 * * -

P l

l

~ Inferred MTC is obtained by subtracting the Doppler Temperature Coefficient (-1.9 .j pcm/'F) from the Isothermal Temperature Coefficient, j l

" Adjusted MTC includes measurement uncertainty and IFBA correction. I

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. South Texas Project Unit I Cycle 6 Page 3 of 4

. Power Ascension Testing VI. POWER DISTRil!UTION MEASUREMENTS:

Design Review Criteria (DRC): Incore Tilt (based on F-Delta-H) s 2%

Unrodded Reaction Rate Errors < i10%

Acceptance Criteria (AC): FDHN < Technical Specification (TS) 3.2.3 Limit Fx , s TS 3.2.2 Limit Largest Unrodded Reactor Incore Quadrant liighest FDIIN Limiting Limit FxyLimit Reaction Power Power Tilts FDHN F xy Rate Error (%)

i'

• p *,*' 0.9829 0.9945 l.4568 1.8109 1.6485 2.1144 9.5 (28.2%) 1.0150 1.0075 Intermediate 0.9953 1.0009 Power 1.4168 1.5918 1.6366 1.9594 5.0 (77.2%) 1.0016 1.0023 Full Power 1.0002 1.0040 1.4174 1.4900 1.6435 1.8740 4.6 (100.0%) 0.9969 0.9988 FDilN: Nuclear Enthalpy Rise Ilot Channel Factor incore Tilt: Measured Incore Tilt in Excess of Designed Core Asymmetry l

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,. South Texas Project Unit 1 Cycle 6 Page 4 of 4

- Power Ascension Testing vfl REACTOR COOLANT SYSTEM FLOW MEASUREMENT (GPM):

- Design Review Criteria (DRC); none Acceptance Criteria (AC): > 392,300 gpm Pass / Fail Pass / Fail Reactor Power Measured Flow DRC AC 100.0 % 399,467 -

P VIII. FUIL POWER CRITICAL BORON (PPM):

Design Review Criteria (DRC): i50 ppm Acceptance Criteria (AC): i1000 pcm (148 ppm)

"*"E Pass / Fail Pass / Fail Predicted Measured (M-P)

(EFPD) DRC AC 7.2 1356- 1317 -39.0 ppm - P P i

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