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)

Text

i ATTACHMENT SOUTH TEXAS PROJECT UNIT 2 CYCLE 4 STARTUP TESTING

SUMMARY

REPORT

)

l l

9408250100 94081'7 PDR ADOCK 05000499 p

PDR MISC-94\\94 220.001

l 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 DRC AC l

(pcm)

(pcm)

(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 Shutdown E 336 299.0

-37.0

-11.0 P

P Total 5095 4994.9

-100.1

-2.0 P

P 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

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

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 F s TS 3.2.2 Limit xy 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 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 Core periphery location wsemnno ms

South Texas Project Unit 2 Cycle 4 Attachment 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)

DRC AC (EFPD) 17.I 1210.5 1168.8

-41.7 ppm P

P MISCA434-220 Otn i