ML20134K891
| ML20134K891 | |
| Person / Time | |
|---|---|
| Site: | Crane  |
| Issue date: | 08/27/1985 |
| From: | Thompson O Office of Nuclear Reactor Regulation |
| To: | Stolz J Office of Nuclear Reactor Regulation |
| References | |
| NUDOCS 8508300494 | |
| Download: ML20134K891 (44) | |
Text
-
hh August 27 1985 0
MEMORANDUM FOR:
John F. Stolz, Branch Chief, ORB #4, DL FROM:
Owen Thompson, Project Manager, ORB #4, DL
SUBJECT:
THREE MILE ISLAND, UNIT 1 (TMI-1), SPDS AUDIT On August 12-14, 1985, the NRR staff performed an audit of the Three Mile Island, Unit 1 (TMI-1) Safety Parameter Display System (SPDS).
The audit team consisted of Leo Beltracchi and tiichard Shaker from Human Factors Engineering Branch (HFEB), and Joseph Joyce from Instrument and Control Systems Branch (ICSB).
I was present on the first and last days of the audit.
The licensee provided a two-hour briefing of the overall SPDS system.
Copies of the slides used are enclosed. The staff then audited the licensee's documents and observed the SPDS system in operation. The audit. programs outlined in letters to the licensee dated April 5 and July 9,1985 were basically followed.
i At the exit briefing on Wednesday, August 14 the staff informed tne licensee that the TMI-1 SPDS system is generally a good system which reflects the value resulting from Human Engineering input throughout development. The staff will be requesting the licensee to provide a copy of the validation test program report. Also, additional information will be requested to confirm the adequacy of certain isolation devices that protect the Class 1-E electrical circuits. The staff also indicated that the Procedures and Systems Review Branch (PSRB) review of the selection of critical parameters was not covered during the audit.
04531 R*J 59 Owen Thompson, Project Manager Operating Reactors Branch #4, DL
Enclosure:
As Stated cc w/ enclosure:
~
G. Lainas W. Regan L. Beltracchi R. Shaker F. Rosa J. Joyce D. Ziemann DISTRIBUTION F. Orr Docket File J. Thoma ORB #4 Rdg l
- 0. Thompson Memo File i
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TMI-l SPDS OVERVIEW NRC AUDIT AUGUST 12,13, AND 14,1985 J
H. C CRAWFORD
f.,
n INTRODUCTION o
EVOLUTION OF THE SPDS IDEA SLIDE 1 o
DESCRIPTION OF PT PLOT SLIDE 2 CONCEPT OF SPDS o
FLOW CHART (PAGE 1)
SLIDE 3 o
USERS SS/STA 0
CSFs SLIDE 4 o
SELECTED PARAMETERS UNIQUELY DEFINE CSFs NUREG 0737 SUPPLEMENT 1 REQUIREMENTS o
SAFETY ANALYSIS SUBilTTED 4/30/84 o
B11-1 SPDS DEFINITION SLIDE 5 o
TMI-1 SPDS PURPOSE SLIDE 6 o
USED FOR OVERVIEW PURPOSES NOT TO CONTROL THE PLANT o
B11-1 SPDS HAS BEEN PROMPTLY IMPLEMENTED
~
N0 TECH SPEC CHANGES OR UNREVIEWED o
SAFETY QUESTIONS o
HUMAN FACTORS DESIGN PHILOSOPHY o
USER TRAINING WITH & WITHOUT SPDS
DISPLAY DESIGN o
FLOW CHART (PAGE 1)
SLIDE 7 o
USE EXISTING PLANT COMPUTER SYSTEM SLIDE 8 RELIABLE OPERATING EXPERIENCE (5-10 YRS)
ENHANCE USEFULNESS OF SPDS (F#ilLIARITY, CONFIDENCE, LOCATION)
V&V ONLY ITEMS ADDED TO SYSTEM BY SPDS SPDS IMPLEMENTATION o
FLOW CHART (PAGE 2)
SLIDE 9 o
DISPLAY HIERARCHY SLIDE 10 o
ALARM CRT SLIDE 11 0
CRT CONSOLE SLIDE 12 o
SPDS MENU SLIDE 13 SPDS FINAL DISPLAYS POWER OPERATION l
0 REACT / POWER DIST & PRIM SIDE HEAT REMOVAL LOW POWER 3 RC PUMPS SLIDE 14 l
POWER > 20% 4 RC PUMPS SLIDE 15 POWER > 55% 4 RC PUMPS SLIDE 16 LEVEL 2 DISPLAY SLIDE 17 o
RCS INTEGRITY SLIDES 17 AND 18 o
RADIATION CONTROL SLIDES 19 AND 20 o
CONTAINMENT CONDITIONS SLIDES 21 AND 22 l
l
POST TRIP o
REACTIVITY / POWER DISTRIBUTION SLIDES 23 AND 24 o
PRIMARY SIDE HEAT REMOVAL FORCED FLOW SLIDE 25 o
RCS INTEGRITY FORCED FLOW SLIDES 26 AND 27 o
PRIMARY SIDE HEAT REMOVAL SLIDES 28 AND 29 NATURAL CIRCULATION o
RCS INTEGRITY NATURAL CIRCULATION SLIDES 30 AND 31 4
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r Evolution of the SPDS Idea TMI-2 Lessons Learned 5
Vendor Abnormal Pressure Transient Temperature Operating Plot Guidelines (PT Plot)
(ATOG)
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Symptom Safety Oriented Parameter Emergency Display Procedures System (EOPS)
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h sla/sc HUMAN FACTORS AT GPU NUCLEAR Staff:
Manager, 2 full time HF Engineers, Co-Op student (grad)
Location:
Corporate HQ, Parsippany, NJ Organization:
Computer Appl./ Human Engineering Dept, Systems Engineering, Technical Functions Division, GPU Nuclear Involvement in Projects:
Reviews all new modifications to plant, reviews existing control stations. Reviews all op/maint. mods.
INVOLVEMENT BEGINS AS EARLY AS POSSIBLE IN EACH DESIGN DEGREE OF INVOLVEMENT SELF-DETERMINED (DEPENDS ON NATU One HF Engineer Assigned to Each Project HF GROUP WILL INITIATE NEW PROJECTS TO CORRECT Human Engineering Deficiencies WHICH ARE FOUND IN THE PLANT.
HF will review and aid in preperation of applicable documents *,
drawings, hardware sele'etion, etc. and follows through to project installation.
Other areas of HF involvement:
Ambient Environment surveys Assigns Control Room hardware / alarm locations y p Formats all CRT displays All plant labels ordered through HF All wording (labels, alarms, etc) chosen by HF Reviews / Formats plant procedures on request, Formats all E0Ps Attendance:
HF attends all applicable PEDR and OMCR meetings
SUMMARY
COMPREHENSIVE, FULLY INLOVED HF PROGRAM
llI -
'7 y
.if HUMA3 FACTORS PROCESS fliF G.25tew ef
'l IHF Riview sf T
SPDS goals /
Generic HF g,
SPDS DEVELOPMENT reeutrements Documents W
T (DISPLAY NUTAC SPOS Gutde CE EPRI NRC-L NUREG 0835 J
HF books E
s g
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F Definition of
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. HF/SAPC V
/
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l Plant-Specific is Analysis by I
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SPOS Goals
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Y and Needs Analysts E-Background Work by SA/PC C(Objectives-Users),
by SA/PC J
W.
LPARAMETERSELECTIDN.[h I
t r
/____
r 3
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r-3 F 3
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HF Review of Secondary Task Analysts Walkthrough #1 Training.
2nd Displays: Color, by SPDS Comuntttee; with all users Session-Walk-Format Scales. Units Relation of SPOS to CR (STAS. SR0s) for A.
through with-l Consistency
. )
Crew Roles / workstations Q done with proper h
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BRUCE OLAF SOFTWARE DEVELOPER 0
JIM P. Hell 0.A. ENGINEER 0
TAE Y. BYOUN NUCLEAR ENGINEER Zh-e
SPDS V8V SCOPE 1
INDEPENDENT REVIEW & EVALUATION OF THE SPDS SOFT (5 CSF'S & 9 DISPLAY PROGRAMS),
2.
REVIEW AND COMMENTS ON SYSTEM REQUIREMENTS DOCUM AND DESIGN DOCUMENTS PER V8V PROCEDURE.
3.
REVIEW AND COMMENTS ON TEST PROCEDURES AND TE PRIOR TO AND AFTER THE TESTING COMPLETION.
4 MONITOR AND EVALUATE THE TESTING PROCESS.
5.
NOT INCLUDED ARE:
O HdRIDWARE CONFIGURATI0N DESIGN REVIEW 4
PLANT PROCESS COMPUTER HARDWARE AND SOFTWARE WAS INSTALLED PRIOR TO AND INDEPENDENT OF THE SPDS DE THERE IS NO SPDS HARDWARE.
O HUMAN FACTOR REVIEWS HUMAN FACTORS CONSIDERATIONS HAVE BEEN INCLUDED IN THE SPDS AS AN INTEGRAL PART OF DESIGN PROCESS.
THE HUMAN FACTORS EVALUATIONS HAVE BEEN PERFORMED SEPARAT AND DOCUMENTED.
SPDS OBJECTIVES AND REGULATORY REQUIREMENTS O
4
s P.'I.E 7 Or 21 TIREEMILEIILANDUNITI IAFETYPARAMETERDIIPLAYSTITEM REQUIREMENT! TRACEAPILITY MATRIX (RTM II) l GPLW l l
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l (A) P.163 I (A) P.f44, I l
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s OVERVIEW OF SPDS V8V ACTIVITIES
, >.CtX - S o.4.s / h.,u GPUN &V PLAN 4*'M/ # "'#
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6 L
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m SPDS PACKAGE h
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i v8v (GPu) d 4
CosmeMr/bsow7MN 87mDS &EET
u============================
! REVIEWER'S COMMENT i======================================I SERIAL NO:===============
1 0F 2
==
VER-003 1 PROJECT: TMI-1 SPD g==u================S V&V=======================TE:
06/27/85 l DA
=
1 V&V TASK: Desi
================
- =======u=======gnVerification=======================i=
Heil ISSUED BY: T. Byoun/
l DOCUMENT (S) UNDER REVIEW: TDR-618, Rev 0
====
1 I
l===========u=======================================
l COMMENT:
=============
1 A. RTM 05.30 - TDR does not address tha t remova t of points froni scan I
required if instrument string feeding SPDS computer input is removed.
is 1
( RESPONSE ACCEPTABLE 08/08/85) l B. RTM 05.35 - TDR does not address that redundant senso l
used if availible.
re to be 1
( RESPONSE ACCEPTABLE 08/08/85)
I C. RTH 09.05 - TDR does not address when more i
provided for'a parameter, than one computer point against alarm setpoint.
use point closest to limit to compare l
l
( RESPONIE ACCEPTABLE 08/08/85)
I D. RTM 09.15 - TDR does not address any i
exceeding valid point for parameter 1
(. RESPONSE ACCEPTABLEiimit causes CSF atarm,or warning.
08/08/85)
I E. RTM 10.00'- TDR does not address that SPDS spurious alarms I
including L2931.
may occur during I
heatups, and should clear.
cooldowns, cold shutdowns, and I
( RESPONSE UNACCEPTABLE - SEE VER/DR-001 08/08/85) 1 i
F. RTh 45.23 - TDR does not address accuracy I
i chart.
for hot leg A/B tevet bar i
I
(
RESPONSE UNACCEPTABLE - SEE VER/DR-002 08/08/85) l l
G. RTM 45.28 - TDR does not l
chart.
address accuracy for RV Head level bar I
l l
(
RESPONSE UNACCEPTABLE - SEE VER/DR-002 08/08/85) l l
H. RTM 45.33 - TDR does not address accuracy l
i chart.
for Pressurizer level bar I
I
(
RESPONSE UNACCEPTABLE - SEE VER/DR-002 08/08/85) l I
I. RTH 46.00 - TDR does not I
ment of alarms.
address audible alarm or l
user acknowledge-1 I
( RESPONSE A l = = = = = = = = = = = = = = = =C C E P T A B L E 08/08/85)
I
================================
j i RESPONSE:
l (SEE S.M.CAFRELL1 NEh0 5421-85-0062, 07/18/85) l i
i I
i I
I I
I I
I l============================================
l RESPONSE BY: (SC)
DATE: 07/1
====================================== = = = = = = = = = = = = = = =
1
=======
l
~
~
TMl-1 SPDS VEV DOCUMENTATION VERIFICATION & VALIDATION PROCEDURES (TDR-711) o o
VALIDATION TEST PLAN (TDR-710)
SYSTEM REQUIREMENTS VEAIFICATION RER0RT-(COMPLETED) o (RTM-1, COMMENTS / RESOLUTIONS, DISCREPANCY REPORTS)
DESIGN VERIFICATION REPORT (DRAFT) o (RTM-II, COMMENTS / RESOLUTION, AND DISCREPANCY REPORTS)
~
o VALIDATION TEST REPORT (RTM-Ill, TEST MONITORING RESULTS, DISCREPANCY REPORTS, AND COMMENTS / RESOLUTIONS) o FINAL V&V REPORT
SPDS SYSTEMS REQUIREMENTS VERiflCATION SPDS SAFETY ANALYSIS y REQUIREMENTS (TR-18)
RTM-1 APPROVE IDENTIFICAT10N RTM-l L
m" SPDS USER GUIDELINES RTM-l 7
O (TDR-583) hr V8V (SAIC)
GPUN RESPOND TO 4
REVIEWER V8V PROCEDURES COMMENTS i
GPUN FORMAL SYSTEM REQUIREMENT REQUIREMENTS V}RIFICATIONREPORT g
b VERIFICATION b
,-DISCREPANCY REPORTS a
V&V PROCEDURES h
, RESOLVE 4
DISCREPANCIES T
DESIGN TEAM (GPU)
D DESIGN VERIFICATION PROGRAM SOURCES OF DESIGN VERIFICATION o
SPDS COMPUTER DESIGN AND IMPLEMENTATION (TDR-618)
BACKGROUND - SPDS CODE, RESULTS OF REQUIREMENTS o
VERIFICATIONS AND ANY IDENTIFIED REQUIRB1ENTS UPDATES DESIGN VERIFICATION CORRELAT' ION OF DESIGN TO SYSTEM REQUIREMENTS o
o REQUIREMENTS TRACEABILITY MATRIX VER. II REVIEW & EVALUATION OF DESIGN DOCUMENTATION FOR o
TECHNICAL CORRECTNESS AND COMPLETENESS o
IMPLICATION ON THE VALIDATION TESTIN3 COMMENTS / RESOLUTION AND DISCREPANCY REPORTS o
DESIGN VERIFICATION ACTIVITIES (GPUN)
V&V PROCEDURES d
RTM-I g
IDENTIFY DESIGN RTM-1I FEATURES AND g
DESIGN 00C.
g ADD RTM-1 f 8V COMMENTS (TDR-618 )
f V&V TEAM 4
RESPONSE TO V&V COMMENTS V8V PRO'CEDURES 1 r 1r DESIGN TEAM FORMALDESIGNl DESIGN VERIFICATION REPORT
'@j VERIFICATION !
A F
t V&V TEAM.
DISCREPANCY REPORTS g
RESOLVE 4
DISCREPANCIES o
I DESIGN TEAM
~
7 E
~
l yALIDATION TEST PROGRAM OVERVIEW OF VAllDATION TEST ACTIV! TIES o
1 PREP. VALIDATION TEST PLAN (GPU V&V TEAM) 2.
PREP. TEST PROCEDURES & TEST MANUAL (GPU 3.
UPDATE TEST PROC. & TEST MANUAL REFERENCE TO
~
RTM-Ill AND TEST PLAN (GPU V&V TEAM) 4 PERFORM (GPU DESIGN TEAM) AND MONITOR (GPU VALIDATION TESTING
~
5.
PREP. VALIDATION TEST EVALUATION REPORT (GPU V&V TEAM) o SOURCE MATERIALS COMPLETED SPDS PACKAGE (CODEDESIGN D0C. AND o
ANY DOCUMENTED DESIGN UPDATES)
RESULTS OF REQUIREMENTS VERIFICATION o
RESULTS OF DESIGN VERIFICATION o
.~
VALIDATION TEST AND ANALYSIS [GPUN) v&v PROCEDURE 4
JDR-618 k -583 DEVELOP g
SPDS VALIDATION VALIDATION TEST PLAN
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V&V PROCEDURES t
V&V TLAM V
V DESIGN DOCUMENT (TDR-61R) i DEVELOP TEST lEST PROCLDURES & TEST MANUAL RIM-I & II h
PROCEDURES AND V&V PROC.
yg OTHER SPDS PACKAGE TEST MANUAL
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m 9
-e REVIEW AND DESIGN TEAM RTM-1II EVALUATE p
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EVALUATE DISCREPANCY REPORTS q
A 7
k Y
k V&V TEAM RESOLVE DISCREPANCIES DESiGJ1aM
CURRENT V8V PROGRAM STATUS o
e ITE*4 DESCRIPTIONS STATUS o
V&V PROCEDURES o
DRAFT BY SAIC (10/22/84) o ISSUED BY GPU (8/8/85) o VALIDATION TEST PLAN o
DRAFT BY SAIC (3/29/85) o ISSUED BY GPU (8/8/85) o SYSTEM REQUIREMENTS COMPLETED BY SAIC (3/29/85) o VERIFICATION RE0'T VERIFICATION REPORT (3/29/85) o o
RTM-1 (3/29/85) 29 V&V COMMENTS ISSUED AND RESPONDED o
o 2 DI.SCREPANCY. REPORTS.lSSUED o
CONCLUSION:
RE0'T DOCUMENTS (TR-18', AND TDR-583)
DEFINE THE SPDS SOFTWARE REQUIREMENT o
DESIGN VERIFICATION DESIGN VERIFICATION REPORT (DRAFT) o o
RTM-Il COMPLETED SUBJECT TO RESOLUTION OF DISCREPANCY REPORTS o
36 COMMENTS WERE ISSUED AND RESPONDED o
9 DISCREPANCY REPORTS WERE ISSUED o
VALIDATION TEST TEST PROCEDURES (DRAFT) AND TEST o
MANUAL (DRAFT) WERE REVIEWED AND COMMENTS WERE ISSUED REVISED TEST PROCEDURES BEING o
REVIEWED & C MMENTED o
16 TESTS HAVE BEEN PERFORMED o
RTM-Ill BEING ADDED e