ML20236S291

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Summary of 871105 & 06 Meetings W/Util,Westinghouse & Comex at Plant & Nuclear Training Ctr Re Audit of Spds.Attendee List & Presentation Matl Encl
ML20236S291
Person / Time
Site: Summer South Carolina Electric & Gas Company icon.png
Issue date: 11/23/1987
From: Hopkins J
Office of Nuclear Reactor Regulation
To:
Office of Nuclear Reactor Regulation
References
NUDOCS 8711250033
Download: ML20236S291 (25)


Text

,

NOV 2 3'1987 Docket No. 50-395 DISTRIBUTION 5ee attached sheet LICENSEE: South Carolina Electric and Gas Company 1 1

-FACILITY: V. C. Sumer Nuclear Station

SUBJECT:

SUMMARY

OF, MEETING ON NOVEMBER.5 AND 6, 1986 WITH SOUTH CAROLINA'  !

ELECTRIC AND GAS COMPANY l GENERAL On November 5 and 6 -1986, the NRC staff met with the South Carolina Electric'  !

and Gas. Company (SCE&G) to audit the Safety. Parameter Display System (SPDS)' '

i The meeting was held at the V. C. Sumer Nuclear Station and the Nuclear' I

Training Center. A list of those persons who attended the meeting is included as Enclosure 1.

DISCUSSION The agenda for the meeting is included as ~ Enclosure 2. Handouts _ used at the

. meeting are included as Enclosures 3 and 4. 'SPDS items' discussed include j isolation' devices, human factors, reliability, minimum information needed, .

procedures, training, data validity, security, and response times. -

4 S

Jon B. Hopkins, Project Manager.

Project Directorate 11-1 Division of Reactor Projects - I/II

Enclosures:

As stated cc: See next page

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-- _ _ - _ _ _ _ _ _ _ _ _ - _ - _ _ . _ . _- -_ . _ _ _ .. . _- _ __ a

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g MEETING

SUMMARY

DISTRIBUTION'

- w<m a ne NRC.PDR Local PDR

!. PD II-1 r/f E. Adensam Attorney, OGC , .j P. Anderson E.~ Jordan l

J; Partlow ACRS (10)

Project Manager Jon B. Hopkins l NRC PARTICIPANTS J. Hopkins'-

S. Saba J. Kramer P. Hopkins 1

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cc: Applicant & Service List l

U _E mi_._.___ . _ _ _ . _ _ . _ ._ _. _. . _ . _ _ _ _ _ . . _ _ . . - - -.

Mr. D. A. Nauman South Carolina Electric & Gas Company Virgil C, Summer Nuclear Station J r.c :

Mr. William A. Williams, Jr. j

. Technical Assistant - Nuclear Operations i Santee Cooper P.O. Box 764 (Mail Code 153) ,

Columbia, South Carolina 29218 I i'

J. B. Knotts, Jr., Esq.

Bishop, Liberman, Cook, Purcell and Reynolds 1200 17th Street, N.W.

Washington, D. C. 20036 1 Resident Inspector / Summer NPS c/o U.S. Nuclear Regulatory Commission i Route 1, Box 64 {

Jenkinsville, South Carolina 29065  ;

Regional Administrator, Region II l U.S. Nuclear Regulatory Commission.,

101 Marietta Street, N.W., Suite 2900 Atlanta, Georgia 30323 Chairman, Fairfield County Council P.O. Box 293 Winnsboro, South Carolina 291P0 t

Attorney General Box 11549 Columbia, South Carolina 29211 i 1

Mr. Heyward G. Shealy, Chief j Bureau of Radiological Health South Carolina Department of Health and Environmental Control 2600 Bull Street Columbia, South Carolina 29201

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ENCLOSURE-l ATTENDANCE NRC SAIC LCOMEX' 1

J. Hopkins J. : DeBor G; Bryan, 'Jr. 1 S. Saba M. Archer J. Kramer ,

P. Hopkins' j j

'SCE&G WESTINGHOUSE A. Monroe J.. Easter .;

W. Higgins R.,Breide i J. Skolds H A. Koon G. Taylor R. Barton K. Woodward J. LcBorde G. Parsons M. Browne C. Tyler H 4

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ENCLOSURE 2 I

DAY 1 i l

NUCLEAR TRAINING CENTER I

FORMAL PRESENTATIONS (PARTI) ]

i I. INTRODUCTION ]

II. WESTINGHOUSE GENERIC SYSTEM l III. HARDWARE / PHYSICAL LAYOUT IV. OVERVIEW OF BASIC DESIGN j i

1) HED's
2) Parameter Selection / Critical Safety Functions V. IMPLEMENTATION / MILESTONES .

1 VI. TRAINING PRACTICAL APPLICATIONS SIMULATOR DEMONSTRATION i

1 l LUNCH i

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FORMAL PRESENTATIONS (PARTII)

I. ENGINEERING PESIGN

1) HED
2) Parameter Selection / Critical Safety Functions II. SYSTEM DESIGN
1) Hardware
2) V&V
3) Reliability
4) Data Validity PRACTICAL APPI,ICATIONS EOF DEMONSTRATION-

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DAY 2 VIRGIL C. SUMMER NUCLE AR STATION I. TOUR OF THE CONTROL ROOM l

II. TSC TOUR / DEMONSTRATION III. OPERATORINTERVIEWS

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ENCLOSURE 3 V. C. SUMMER STATION SPDS RELIABILITY AS OF 11-1-86 SYSTEM AVAILABILITY = 97,49%

REASONS FOR THE 2.51% SYSTEM UNAVAILABILITY:

HARDWARE UNAVAILABILITY = 56% )

The hardware related unavailability specifics are t.s follows:

1. The week of January 17th, the system was down for four days due to problems l in the common bus switch that contains the data acquisition controller. Digital l Equipment Corporation (DEC) holds the maintenance contract and had difficulty i acquiring spare parts to repair the bus switch.
2. On March 14th a controller failed in the DT07 bus switch. The system was ,

repaired the same day. I l  !

3. On April 23rd the data acquisition communications controller located in the DT07 bus switch failed. The system was repaired the same day.
4. On two separate occasions a hardware failure cause a system failover that ,

accouof ed for less than 1/2 hour of system unavailability.

SOFTWARE UNAVAILABILITY = 39%

The softyvare related unavailabiUty specifics are as follows:

1. STOLIN - This is task that processes the keyboard inputs, and would exit intermittently due to various errors. Westinghouse provided a fix on July 28th, and we have not experience any additional STOLIN problems.
2. CRT - This is the task that displays the information of the Aydin monitors.

This task would exit due to various error conditions. Westinghouse provided a fix for this r roblem on August lith, and we have not experience any additional CRT problems.

l 3. Installations of miscellaneous software updates required the system to be booted on several occasions, but this accounted for a very small percentage of the software related unavailability.

l MISCELLANEOUS UNAVAILABILITY = 5%

l l

This period of unavailability secounts for the following activities:

( 1. HVAC problems.

2. )vlaintenance on the UPS system.
3. System Diagnostics / Preventive Maintenance.

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4. Software backup.

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r -TABLE-2.3-3. PSSD SYSTEM DISPLAYS Display Page Number Description LEVEL 1 1TL1 ICONIC - NARROW RANGE 1TL2 ICONIC ~- WIDE RANGE 1MM1 SYSTEMS MAP 1MM2 & 3 SYSTEl1S MENU LEVEL II

, 2PS1 PLANT SYSTEM STATUS GRAPHIC 20L1 PLANT OPERATING LIMITS GRAPH 2TR1 & 2 ICONIC TREND - NARROW RANGE

, 2TR3 & 4 ICONIC TREND - WIDE RANGE i

2HS1 & 2 ICONIC HISTORY - NARROW RANGE 2HS3 & 4 ICONIC HISTORY - WIDE RANGE LEVEL III 3RC1 REACTOR COOLANT SYSTEM GRAPHIC 3RC2 PRESSURIZER GRAPHIC 3 nil NUCLEAR INSTRUMENTATION

( 3MS1 MAIN STREAM SYSTEMS GRAPHIC I

, 3RM1 RADIATION MONITORING SYSTEM A/N j l 3FW1 FEEDWATER SYSTEM GRAPHIC '

l 3CY1 CVCS SYSTEM GRAPHIC = '

l 3RH1 RHR SYSTEM GRAPHIC i 3511 SAFETY INJECTION SYSTEM GRAPHIC l 3CS1 CONTAINMENT SYSTEMS GRAPHIC 3TC1 IN-CORE THERMOCOUPLE MAP LEVEL IV i 4RC1-4 REACTOR COOLANT SYSTEMS A/N 4 nil & 2 NUCLEAR INSTRUMENTATION SYSTEM A/N .

4MS1 & 2 MAIN STEAM SYSTEM A/N u 4RM1 & 2 RADIATION MONITORING SYSIEM A/N  ;

4FW1 & 2 FEEDWATER SYSTDi A/N i 4CY1 ' CYCS SYSTEM A/N '

4RH1 RHR SYSTEM A/N 4SIl SAFETY INJECTION SYSTEft A/N 4CS1 CONTAINMENT SYSTEM A/W 4TC1:& 2 IN-C,0RE THERMOCOUPLE A/N  !

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Display Page Number Description  ;

LEVEL 1 2PS1 PLANT SYSTEM STATUS GRAPHIC q LEVEL II 3RC1 REACTOR COOLANT SYSTEM GRAPHIC 3RC2 PRESSURIZER GRAPHIC 3FW1 FEEDWATER SYSTEM GRAPHIC 3MS1 MAIN STEAM SYSTEMS GRAPHIC

' 1 3CY1 CVCS SYSTEM GRAPHIC 3 nil NUCLEAR INSTRUMENTATION-3TC1 IN-CORE THERMOCOUPLE f1AP i 3RW1 LIOUID RAD WASTE GRAPHIC i

, 3RW2 LIQUID RAD WASTE GRAPHIC 3RW3 GASEOUS RAD WASTE GRAPHIC l 3SIl SAFETY INJECTION SYSTEM GRAPHIC 3RH1 RHR SYSTEM GRAPHIC l 3CSl CONTAINMENT SYSTEMS GRAPHIC 3RM1 RAD MONITORING

SUMMARY

A/N

( 3CC1 3SW1 COMPONENT COOLING WATER SUPPLY GRAPHIC SERVICE WATER GRAPHIC 3SW2 SERVICE WATER GRAPHIC 3SW3 SERVICE WATER GRAPHIC 3EL1 ESF ELECTRICAL POWER TRAIN A GRAPHIC 3EL2 ESF ELECTRICAL POWER TRAIN B GRAPHIC 3MT1 METEOROLOGICAL DATA

SUMMARY

A/N LEVEL III 4RCl-4 REACTOR COOLANT SYSTEM A/N 4FW1 & 2 FEEDWATER SYSTEM A/N 4MS1 & 2 MAIN STEAM SYSTEMS A/N 4CV1 CVCS SYSTEM A/N  ;

4 Nil & 2 NUCLEAR INSTRUMENTATION A/N  ;

i 4TC1 & 2 INCORE THERf10 COUPLE A/N 4RW1 RAD' WASTE A/N 4SIl SAFETY INJECTION SYSTEM A/N 4RH1 RHR SYSTEM A/N 4CS1 CONTAINMENT SYSTEMS A/N t 4RM1 & 2 RAD MONITORING A/N l 4CC1 COMPONENT COOLING WATER A/N 45W1 SERVICE WATER A/N 4EL1 ESF ELECTRICAL POWER A/N L

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