ML20210J048

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STP Unit 1,Cycle 9 Startup Testing Summary Rept
ML20210J048
Person / Time
Site: South Texas STP Nuclear Operating Company icon.png
Issue date: 07/28/1999
From:
HOUSTON LIGHTING & POWER CO.
To:
Shared Package
ML20210J039 List:
References
NUDOCS 9908040172
Download: ML20210J048 (5)


Text

South Texas Project Unit 1 Cycle 9 NOC-AE-000599 Startup Testing Attachment Page 1 of 5 ATTACHMENT SOUTH TEXAS PROJECT UNIT 1 CYCLE 9 STARTUP TESTING

SUMMARY

REPORT I

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South Texas Project Unit 1 Cycle 9 NOC-AE-000599 Startup Testing Attachment Page 2 of 5 I

l

l. Ilot Rod Drop Time (secondsi:
Acceptance Criteria (AC)
2.8 seconds Measumd Pass / Fail (M) AC 1.8
  • P Maximum value for 57 control rods II. Rod Worth Measurements (Dynamic Rod Worth Measurement Method Used)(pcm):

Design Review Criteria (DRC): Each bank within 15% or 100 pcm of the predicted value (whicheveris greater)

Total rod wonh within 8% of predicted Acceptance Criteria (AC): Total rod wonh 2 90% of Predicted RCCA Bank Measured Predicted Delta Percent Pass / Fail Pass / Fail Worth Wonh (M-P) Difference DRC AC (Pem) (pcm) (pcm) (%)

Shutdown A 554.7 541.8 12.9 2.4 P -

Shutdown B 704.2 695.8 8.4 1.2 P -

Shutdown C 538.4 531.0 7.4 1.4 P -

Shutdown D 552.4 542.4 10.0 1.8 P -

Shutdown E 474.0 479.0 -5.0 -1.1 P -

Control A 765.6 739.9 25.7 3.5 P -

Control B 847.1 815.2 31.9 3.9 P -

Control C 880.9 838.5 42.4 5.1 P -

Control D 502.3 473.0 29.3 6.2 P -

Total 5819.6 5656.6 163.0 2.9 P P ARO: All Rods Out

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

L

South Texas Project Unit 1 Cycle 9 NOC-AE-000599 Startup Testing Attachment Page 3 of 5 Ili. Zero Power Critical Boron Concentration (ppm):

Design Review Criteria (DRC): 50 ppm Acceptance Criteria (AC): 11000 pcm (125 ppm)

Measured Predicted (M-P) Pass / Fail Pass / Fail (M) (P) ppm DRC AC 1457 1462 -5 P P l

IV. ARO Isothermal Temperature Coemcient (ITC)(ocm/ F):

)

Design Review Criteria (DRC): 12 pcm/ F l l

Acceptance Criteria (AC): none Measured Predicted Error (M-P) Pass / Fail Pass / Fail (M) (P) DRC AC

-6.7 -7.2 0.5 P -

l l

V. Inferred ARO Moderator Temperature Coemclent (pcm/ F)*:

Design Review Criteria (DRC): none Acceptance Criteria (AC): < +5 pcm/ F, or rod withdrawal limits established Measured Pmdicted Adjusted Pass / Fail Pass / Fail DRC AC

-4.9 -5.4 -3.9* * -

P Inferred MTC is obtained by subtracting the design Doppler Temperature Coefficient  !

(-1.8 pcm/ F) from the measured Isothermal Temperatun: Coefficient.

    • Adjusted MTC includes measurement uncertainty and Integral Fuel Burnable Absorber burnout correction.

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South Texas Project Unit 1 Cycle 9 NOC-AE-000599 Startup Testing Attachment Page 4 of 5 VI. POWER DISTRIBUTION MEASUREMENTS:

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

Acceptance Criteria (AC): FDHN < Technical Specification (TS) 3.2.3 Limit Fxy5 TS 3.2.2 Limit Largest Reactor Power Incore Quadrant Highest FDHN Limiting Fxy Limit Re ion PowerTilts FDHN Limit pxy Rate Error (%)

Low Power 1.0083 0.9865 1.5641 1.894 1.8033 2.1149 10.9*

(27.8%) 1.0108 0.9944 Intermediate Power 1.0113 0.9992 1.4715 1.666 1.6921 1.9339 -7.8 (76.8%) 0.9957 0.9940 Full Power 1.0131 ' l.0027 1.4410 1.557 1.6419 1.8480 -7.8 1

(100.0%) 0.9917 0.9926 i I

FDHN: Nuclear Enthalpy Ris- Hot Channel Factor Incore Tilt: Measur:d Incore Tilt in Excess of Designed Core Asymmetry  !

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  • Iacated in quadrant with highest power tilt and near core periphery - no corrective actions required. I

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. I South Texas Project Unit 1 Cycle 9 NOC-AE4)00599 Startup Testing Attachment Page 5 of 5 VII. Reactor Coolant System Flow Measurement (epm):

Design Review Criteria (DRC): none i

Acceptance Criteria (AC): 2 392,300 gpm Reactor Power Measured Flow Pass / Fail Pass / Fail DRC AC 99.9 % 397,692 -

P VIII. Full Power Critical Boron (nom):

Design Review Criteria (DRC): 50 ppm l

Acceptance Criteria (AC): 11000 pcm (128.7 ppm)

Burnup Measured Predicted (M-P) Pass / Fail Pass / Fail (EFPD) DRC AC 3.1 882.3 880.8 1.5 P P

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