ML20246Q003

Advises That Audit of SPDS Scheduled for 890606-07. Tentative Agenda Encl

ML20246Q003
Person / Time
Site:	Comanche Peak
Issue date:	05/16/1989
From:	Charemagne Grimes Office of Nuclear Reactor Regulation
To:	William Cahill TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
References
NUDOCS 8905220332
Download: ML20246Q003 (4)

Text

,

May 16, 1989

' Docket No. 50-445

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and 50-446

'Mr. William J..Cahill, Jr.

' Executive Vice President, Nuclear Texas. Utilities Electric Company

'400 North Olive Street, Lock Box 81 Dallas, Texas 752D1-

SUBJECT:

AUDIT OF THE COMANCHE PEAK SAFETY PARAMETER DISPLAY SYSTEM This is to confirm that we will conduct an audit of the Comanche Peak Safety Parameter Display System on June 6-7, 1989. Attached for your information is a tentative agenda for the upcoming audit.

Should you have_any difficulties in supporting the agenda as we are proposing, please contact either of our project managers, Melinda Malloy at (301) 492-0738 or Mel Fields at (301) 492-0765, immediately.

Sincerely.

Original signed by Christopher I. Grimes, Director Comanche Peak Project Division Office of Nuclear Reactor Regulation

Enclosure:

Tentative Audit Agenda n

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Mr.' William J. Cahill E cc:

Asst. Director for Inspec. Programs Joseph F. Fulbright Comanche Peak Project Division.

Fulbright & Jaworski U.S. Nuclear Regulatory Commission 1301 McKinney Street P. O. Box 1029 Houston, Texas 77010 Granbury, Texas 76048 Roger D. Walker Regional Administrator, Region IV Manager, Nuclear Licensing U.S. Nuclear Regulatory Commission Texas Utilities Electric Company 611 Ryan Plaza Drive, Suite 1000 Skyway Tower Arlington, Texas 76011 400 North Olive Street, L.B. 81 Dallas, Texas 75201 Lanny A..Sinkin Christic Institute Texas Utilities Electric Company 1324 North Capitol Street c/o Bethesda Licensing Washington, D.C.

20002.

3 Metro Center Suite 610 Bethesda, Maryland 20814 Ms. Billie Pirner Garde, Esq.

Garde Law Office William A. Burchette, Esq.

104 East Wisconsin Avenue Counsel for Tex-La Electric Cooperative Appleton, Wisconsin 54911 of Texas Heron, Burchette, Ruckert & Rothwell Susan M. Theisen 1025 Thomas Jefferson Street, NW Assistant Attorney General Washington, D.C.

20007 Environmental Protection Division P. O. Box 12548, Capitol Station GDS ASSOCIATES, INC.

Austin, Texas 78711-1548 Suite 720 1850 Parkway Place 4

Mrs. Juanita Ellis, President Marietta, Georgia 30067-8237 Citizens Association for Sound Energy 1426 South Polk Dallas, Texas 75224 E. F. Ottney P. O. Box 1777 Glen Rose, Texas 76043 George A. Parker, Chairman Public Utility Committee Senior Citizens Alliance of Tarrant County, Inc.

6048 Wonder Drive Fort Worth. Texas 76133 1

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Enclosure-TENTATIVE AUDIT AGENDA FOR SAFETY PARAMETER DISPLAY SYSTEM AT TEXAS UTILITIES ELECTRIC COMANCHE PEAK NUCLEAR POWER PLANT, UNITS 1 AND 2 (June 6 and 7, 1989)

Tuesday. June 6. 1989 8:30 am Safety Parameter Display System (SPDS) entrance briefing o

SPDS Generic Letter status o

Previous NRC findings regarding Comanche Peak SPDS 9:00 am Licensee Presentation on SPDS program results 9:30 am Control Room Orientation 10:45 am SPDS Discussion 1.

Parameter selection o

Subcriticality o

Core Cooling o

Heat Sink o

Integrity o

Containment o

Inventory o

Radiation 2.

Continuous display of top level safety function information o

2 mode displays o

4 Emergency Response Guideline Summary Displays o

15 Trend Graph Displays o

6 Critical Safety Function Monitor Logic Tree Displays o

6 Critical Safety Function Monitor Parameter Displays 3.

Concise display of safety function information o

Functional organization of safety function information o

Physical organization of displayed information 4.

Located conve. ient to control room operator o

Identification of specific SPDS users such as shift supervisor or shift Technical Advisor o

Demonstration that the SPDS location is convenient for the designated user during emergency operations 5.

High degree of reliability o

Software reliability o

Reliability l

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COMANCHE PEAK SPDS AUDIT (continued) 6.

Designed incorporating human engineering principles o

Technical Information Content o

Technical Information Organization i

o Operator / Display interface 7.

Procedures and training o

Procedures and training for operation with SPDS l

o Procedures and training for operation without SPDS 8.

Electrical and electronic isolation from safety systems 12:30 pm Lunch 1:30 pm Operator interviews (Technical Support Center) o Shift Supervisor (30 minutes) o Shift Technical Advisor (30 minutes) o Training instructor (30 minutes) 3:30 pm Software documentation review o

Core cooling critical safety function 5:00.pm End Day 1 Wednesday. June 7. 1989 8:30 am Evaluation of SPDS in control room o

Verification of workspace location o

Comparison of SPDS parameter information to hardwired display information 10:00 am NRC Caucus 11:30 am Detailed technical issue discussion (NRC/ Licensee) 12:30 pm Lunch 1:30 pm NRC/ Licensee management exit l

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