ML20072G803

STP Unit 2 Cycle 4 Startup Testing Summary Rept

ML20072G803
Person / Time
Site:	South Texas
Issue date:	08/17/1994
From:	HOUSTON LIGHTING & POWER CO.
To:
Shared Package
ML20072G793	List: ML20072G803 ST-HL-AE-4860, Forwards STP Unit 2 Cycle 4 Startup Testing Summary Rept, Per TS 6.9.1.1.During Recent Cycle 3 to Cycle 4 Refueling outage,56 Feed Fuel Assemblies W/Integral Fuel Burnable Absorbers Installed
References
NUDOCS 9408250100
Download: ML20072G803 (5)

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ATTACHMENT SOUTH TEXAS PROJECT UNIT 2 CYCLE 4 STARTUP TESTING

SUMMARY

REPORT .

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9408250100 94081'7 PDR ADOCK 05000499 p PDR MISC-94\94 220.001

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South Texas Project Unit 2 Cycle 4 Attachment Low Power Physics Testing Page 1 of 4

1. CRITICAL BORON CONCENTRATIONS (PPM):

Design Review Criteria (DRC): ISO ppm il5% of Delta (19 ppm)

Acceptance Criteria (AC): i1000 pcm (140 ppm)

Predicted Measured (M-P) Pass / Fail Pass / Fail (P) (M) ppm DRC AC ARO 1805 1766.1 -38.9 P P CBC-in 1675 1646.4 -28.6 -

P 130 119.7 -10.3 P -

(ARO - BC-in)

11. ROD WORTil MEASUREMENTS (Rod Swap Method Used):

Design Review Criteria (DRC): Reference Bank (CBC) within 10% of predicted Other banks within 15% or 100 pcm (whichever is greater)

Total s 110% of predicted Acceptance Criteria (AC): Reference Bank (CBC) within 15% of predicted Other banks within 30% or 200 pcm (whichever is greater)

Total 2 90% of Predicted Predicted Measured Delta Percent Pass / Fail Pass / Fail RCCA Bank Worth Worth (M-P) Difference (pcm) (pcm)

DRC AC l (pcm) (%) i Control A 757 709.1 -47.9 -6.3 P P Control B 758 733.9 25.9 3.4 P P Control C 871 855.3 -15.7 -1.8 P P Control D 498 477.2 -20.8 -4.2 P P Shutdown A 324 342.9 18.9 5.8 P P Shutdown B 714 679.1 -34.9 -4.9 P P Shutdown C 418 425.5 7.5 1.8 P P Shutdown D 419 422.9 3.9 0.9 P P l l

Shutdown E 336 299.0 -37.0 -11.0 P P l

Total 5095 4994.9 -100.1 -2.0 P P l ARO: All Rods Out CBC: Control Bank C Percent Difference = 100 x (M - P) / P MISE.94\94-220.001

. South Texas Project Unit 2 Cycle 4 Attachment Low Power Physics Testing Page 2 of 4 III. DIFFERENTIAL BORON WORTII(PCM/ PPM):

Design Review Criteria (DRC): il5%

Acceptance Criteria (AC): none Percent Pass / Fail Pass / Fail Predicted Measured Difference DRC AC

-7.15 -7.15 0.0% P -

IV. ARO ISOTilERMAL TEMPERATURE COEFFICIENT (ITC)(PCM/ F):

Design Review Criteria (DRC): 3 pcm/ F Acceptance Criteria (AC): none PassNail Pass / Fail Predicted Measured Error (M-P)

-3.3 -3.34 -0.04 P -

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

Design Review Criteria (DRC): none Acceptance Criteria (AC): < 0 pcm/ F, or rod withdrawal limits established Pass /I all Pass / Fail Predicted Measured Adjusted

-1.4 -1.44 -0.64 * * -

P Inferred MTC is obtained by subtracting the Doppler Temperature Coefficient (-1.9 pcm/ F) from the Isothermal Temperature Coefficient.

Adjusted MTC includes measurement uncertainty and IFBA correction.

MISC-94L94 220 001

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South Texas Project Unit 2 Cycle 4 Attachment l Power Ascension Testing Page 3 of 4  !

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VI. POWER DISTRIBUTION MFASUREMENTS:

Design Review Criteria (DRC): Incore Tilt (based on F-Delta-H) s 1.02 Reaction Rate Errors < 10 %

Acceptance Criteria (AC): FDlIN < Technical Specification (TS) 3.2.3 Limit Fxys TS 3.2.2 Limit Largest Unrodded Reactor incore Quadrant Highest FDHN Limiting . .

Limit Rea ,on Power Power Tilts FDHN Limit F xy xy Error (%)

1.ow Power 1.0037 0.9990 1.5023 1.7700 1.7051 1.9315 12.0*

(29.2%) 1.0024 0.9949 Intermediate 1.0050 0.9986 Power 1.4792 1.693 1.6755 1.8724 11.4*

(46.7%)

1.0029 .9935 Intermediate 1.0076 0.9938 Power 1.4371 1.557 1.6280 1.7673 6.5 (77.7%) 1.0002 0.9985  :

I 1:ull Power l.0050 0.9976 1.4051 1.4600 1.5881 1.6921 6.7 (l00.0%) 1.0025 0.9950 FDilN: Nuclear Enthalpy Rise Hot Channel Factor l 1

• Core periphery location wsemnno ms

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South Texas Project Unit 2 Cycle 4 Attachment l Power Ascension Testing Page 4 of 4 Vll. REACTOR COOLANT SYSTEM FLOW MEASUREMENT (GPM):

Design Review Criteria (DRC): none Acceptance Criteria (AC): > 395,000 gpm Pass / Fail Pass / Fail Reactor Power Measured Flow DRC AC 70.8 % 406,658 -

P 99.3 % 404,955 -

P Vill. FULL POWER CRITICAL BORON (PPM);

Design Review Criteria (DRC): 50 ppm Acceptance Criteria (AC): 11000 pcm (145 ppm)

Burnup Pass / Fail Pass / Fail Predicted Measured (M-P)

(EFPD) DRC AC 17.I 1210.5 1168.8 -41.7 ppm P P l

MISCA434-220 Otn I

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