ML20246N725

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Provides Rev to SPDS Preoperational Testing Completion Schedule & Forwards Corrected Figures 1 & 11.SPDS Preoperational Testing Approx 75% Complete.Remaining 25% to Be Completed by Fuel Load
ML20246N725
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 08/31/1989
From: William Cahill
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
TXX-89661, NUDOCS 8909080247
Download: ML20246N725 (3)


Text

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. Log # TXX-89661 1

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Ref.'# 10CFR50.55(e) filELECTRIC' I

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U. S. Nuclear Regulatory Commission M

Attn: Document Control Desk

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Washington. D. C.

20555

SUBJECT:

. COMANCHE PEAK STEAM ELECTRIC STATION (CPSES)

-DOCKET NOS. 50-445 AND 50-446 PRE 0PERATIONAL TESTING OF THE SAFETY PARAMETERS DISPLAY SYSTEM (SPDS)

Gentlemen:

~1n TXX-89531, dated July.31, 1989 TV Electric submitted to the NRC Revision 3

'of the CPSES SPDS Safety Analysis Report.(SAR).

In TXX-89531, Section 2.1.5,

" System Reliability," indicated that in August, 1989, TU Electric will complete preoperational testing of SPDS to ensure the validity of the SPDS signa 1Jinputs. The. purpose of this letter is to revise the preoperational

. testing: completion schedule, and to resubmit' corrected Figures 1 and 11.

The_SPDS preoperational testing is approximately seventy-five percent complete.: The remaining twenty-five percent will-be' completed by Unit I fuel.

~1oad'for Unit 1, and Unit 2 fuel load for Unit 2.-

Figure 1,." Relative Locations: of the SPDS Display Units in the Control Room,"

and figure 11. "SPDS Keypad ~ Format," were submitted in TXX-89531 with errors.

Figure 1-incorrectly showed the location of the' operator's console and' supervisor's~ console transposed.

Figure 11 included the "RVLIS TREND" which has been removed from the SPDS display and keypad as noted in the Section 2.2 of TXX-89531..The correct figures'are included in this letter.

Sincerely, W&p.C)#A.

William J. Cahill, Jr.

8909080247 e9og33 By:

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PDR ADOCK 05000445 Roger 4. Walker PDC Manager, Nuclear Licensing

'VPC/vid QOU c - Mr. R. D. Martin, Region IV gg Resident Inspectors, CPSES (3) 40V North Olive Street I.B 81 Dallas, Texas 75201

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7 i-1 XX-89661.

August 31.-1989

.Page 2 of 3 P:

Figure 1 Relative Locations of the SPDS Display Units in the Control Room-

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1. Mais Commet Board CRT
2. Openser's CRT 6
3. Sapseviser's CRT
4. SPDS Caessio
5. Plant Presses Compuest Consolo 6

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Eh Meeher Syseum Console

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7. Usk Sayurviser's CRT UNrf 2

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' TXX-89661 August 31, 1989 Page 3 of 3 Figure 11 SPDS Keypad Format E-EEEEl E

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