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'i Vogtla El:ctric G:n: rating Plant 23985-1 NUCLEAR OPERATIONS
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Revision No.
3 6.ty v GeorgiaPower 1
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Unit
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1 of 40
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FOR INFORMATION ONLY RCS TEMPORARY WATER LEVEL SYSTEM 4
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9611060200 960827 PDR FOIA KOHN95-211 PDR j
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Frocedurs No.
Tiewmon Pags No.
VEGP 23985-1 3
2 of 40 TABLE OF CONTENTS 1.0 PURPOSE 2.0 PRECAUTIONS 700) LIMITATIONS j
3.0 PREREOUISITES OR INITIAL CONDITIONS 4.0 MAIN BODY
-4.1 WATER LEVEL SYSTEM. INSTALLATION
=4.2 CHANNEL CALIBRATION 4.2.1 Test Set-Up j
I
-4.2.2 Channel' Status Check (As Found) 4.2.3 Loop Power Supply (NLP 1) Card Calibration (1LQY-950) 4.2.4 Signal Comparator (NAL 2) Card Calibration (1LB-950A/B) 4.2.5 Indicator Calibration (1LI-950) 4.2.6 Loop-Power Supply (NLP 1) Card Calibration (1LQY-957) 4.2.7 Signal comparator (NAL 2) Card Calibration (1LB-957A/B) 4.2.8 Indicator Calibration (1LI-957) 4'.2.9 Channel Status check (As Left) 7 4.3 SENSOR VERIFICATION / CALIBRATION (Narrow Range)
.1LT-11310 4.4-SENSOR VERIFICATION / CAL'8 RATION (Wide Range) 1LT-11320 l
4.5' WATER LEVEL SYSTEM REMOVAL
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i 4.6' RESTORE TO SERVICE i
5.0 ACCEPTANCE CRITERIA m.
6.0 REFERENCES
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Procedura No..
R3vition Page No.
VEGP 23985-1 3
3 of 40 1.0 FURPOSE
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The purpose of this procedure is to provide 1.1 instructions for Installation, Channel Calibration and Removal of RCS Temporary Water Level Systee.
1.2 SCOPZ 1.2.1 When this procedure is performed for the Installation of RCS Temporary Water Level System, the following
- sections shall be used:
1.0, 2.0, 3.0, 5.0 and subsection 4.1.
1.2.2 When this procedure is performed for Channel Calibration, the following sections shall be used:
1.0, 2.0,.3.0, 5.0 and subsections 4.2, 4.3, 4.4 and 4.6.
1.2.3 When this procedure is performed for the Removal of RCS Temporary Water Level System, the following sections shall be used:
1.0, 2.0, 3.0, 5.0 and subsections 4.5 and 4.6.
e 1.2.4 When this procedure is performed for maintenance, the l'
following sections shall be used:.
1.0, 2.0, 3.0, 5.0 and appropriate subsections of 4.0.
2.0 PRECAUTIONS AND LTMITATIONS 2.1 All steps in thin procedure are to be performed in sequence except as noted.
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I 2.2 Performance of procedure steps, as identified by a double asterisk (*I*), shall be initialed on
" Checklist" except when recording data on applicable Data Sheet.
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2.3 The instrument may be located in a radiation area, l
service a contaminated process fluid, or be contaminated.
If so, follow instructions on " Radiation l
Work Permit".
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2.4 Ensure that each lead (wire) to be lifted is marked
_ Migh a completed and installed Jumper and Lifted Wire Instead of " Control No.", the " Procedure No."
tag.
should be identified on the tag.
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i i-4
4 Procedur3 No.
Rivision Page No.
VEGP 23985-1.-
3 4 of 40 2.5 If this procedure is completed and temporary jueper(s) must remain installed and/or lifted wire (s) cannot be reconnected, a Jumper and Lifted' Wire Clearance must be obtained per Procedure 00306-C, " Temporary Jumper And i
Lifted Wire Control".
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2.6 This procedure shall only be performed'in modes 5 and 6, when plant operating pressure is less than 100 psig. (100 psig rating applies only if tygon tubing is
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used) 2.7 Upon removal of RCS Temporary Water Level System, Procedure 24766-1, " Accumulator Tank #1 Level IL-950 Channel Calibration" and 24773 -1, " Accumulator Tank f4 Level IL-957 Channel Calibration" shall be performed to verify correct operation of Loops 1L-950 and 1L-957. []
2.8 If during performance of this procedure, any of the following occur, immediately notify I&C Foreman:
2.8.1 Any personnel error, procedure inadequacy, or malfunction is identified which could prevent 1
fulfillment of " Acceptance Criteria".
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i 2.8.2 Any test exceeds specified limits.
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1 2.9 Incorrect isolation / restoration of transmitter ILT-950' during performance of this procedure may adversely affect Loop 1P-960.
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2.10 Incorrect isolation / restoration of transmitter 1LT-957 during performance of this procedure may adversely l
affect Loop 1P-967.
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2.11 Any calculations necessary for the performance of this procedure shall be shown on " Calculation Sheet".
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3.0 PREREOUISITES OR INITIAL CONDITIONS 3.1 Notify Shift Supervisor, or designee, of work to be
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performed and obtain signature authorization.
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3.2 Notify Reactor Operator (RO) that the following may be
,eg,atic or inoperable during performance of this
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procedure and obtain RO signature.
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3.2.1 Annunciator 06A03 "ACCUM TANK 1 HI/LO LEVEL".
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-+-mm
Pf0cedur3 Hz.
Ov350n Page 940.
VEGP 23985-1 3
5 of 40 3.2.2 Annunciator 06D03 "ACCUM TANK 4 HI/LO LEVEL".
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3.2. 3 -
Indicat'or 1LI-950
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3.2.4 Indicator ILI-957
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f 3.2.5 Loops IP-960 and 1P-967 (Common Reference Leg)
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i 3.2.6 PSMS RVLIS Indications, Train A and Train B
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3.2.7 Recorder ILR-1310
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3.2.8 Indicator 1PI-408
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3.2.9 Indicator 1PI-418
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l 3.2.10 Indicator IPI-428
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3.2.11 Indicator 1PI-438
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4 3.2.12 Indicator 1PI-405
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3.2.13 Indicator IPI-405A
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3.2.14 Computer Point PO408 (Proteus)
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3.2.15 Computer Point PO418 (Proteus)
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3.2.16 Computer Point PO428 (Proteus)
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3.2.17 Computer Point PO438 (Proteus)
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f 3.2.18 Computer Point P5408 (ERF)
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3.2.19 Computer Point P5418 (ERF)
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3.2.20 Computer Point P5428 (ERF)
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3.2.21 Computer Point P5438 (ERF)
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3.2.22 Recorder IPR-428
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3.2.23 PSMS Indications for RCS Wide Range Pressure
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3.2.24
~1C C Valve Interlocks for valves 1HV-8701A,1HV-8701B, 1HV-8702A and 1HV-8702B
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Procedura No.
Revivon Ptge No.
VEGP 23985-1 3
6 of 40 3.3-TEST EQUIPMENT REQUIRED 3. 3.1.
Two (2)~Ronan Model X85 Calibrat6rs, or equivalent.
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3.3.2 Four (4) Fluke Model 8050A Digital Multimeters (DMM),
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or equivalent.
3.3.3 Westinghouse 7300 Card Extender.
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3.3.4 Variable Pressure Source.
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3.3.5 Variable Water Source,
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3.3.6 Heise Digital Pressure Indicator, 0-300 "H 0, 2
(10.25% accuracy), or equivalent.
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3.3.7 Two (2) 250 Ohm Test Resistors
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3.4 TEMPORARY EQUIPMENT REQUIRED 3.4.1 Heise Pressure Test Gauge, 0-30 Psia
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3.4.2 Two (2) Rosemount Differential Pressure Transmitter, Model #1153DB4RA (0-30 and 0-105".H O Range).
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2 3.4.3 3/8" Poly Flow Tubing
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3.4.4 3/8" Swagelock Fittings
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3.5 Request RO to ensure the following alaru indication ILLUMINATES by performance of a lamp test:
- a. Annunciator 06A03 "ACCUM TANK 1 HI/LO LEVEL"
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- b. Annunciator 06D03 "ACCUM TANK 4 HI/LO LEVEL"
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l 3.6 Verify all Prerequisites or Initial Conditions are
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met.
F 4.0 MAIN BODY 4.1 WATER LEVEL SYSTEM INSTALLATION
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4.1.1 Install temporary RCS (Narrow Range) level tr.nsmitter
~ TDT-11310 adj acent (below) to Steam Generator fl (Location:
Containment Bldg., 14AC/RB02) or, bracket provided.
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Procedur3 No.
R3 vision Page No.
i VEGP 23985-1 3
7 of 40 4.1.2 Install temporary RCS (Wide Range) level transmitter 1LT-11320 adjacent (below) to Steam Generator #4 i
(Locatibn:
Containment Bldg., 14DC/RB02) on bracket provided
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l NOTE Refer to Figure 2 for tubing installation.
4.1.3 Using poly flow tubing, connect low pressure input of temporary transmitters (1LT-11310 and 1LT-11320) as follows:
4.1.3.1 Connect temporary transmitters (1LT-11310 and 1LT-11320) low side to low pressure input of associated valve manifold.
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4.1.3.2 Connect low pressure input of both valve manifolds to stainless tubing going to 1LT-459.
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4.1.3.3 Connect 1LT-459 low pressure input test port (Location:
Containment Bldg., 14DB/18.5) to stainless tubing going to temporary transmitters 1LT-11310 and ILT-11320.
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4.1.4 Connect a 0-30 psia pressure test gauge inline with poly flow tubing at 1LT-459.
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4.1.5 If required, close temporary transmitters (Wide and Narrow Range) input test ports.
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4.1.6 If required, close temporary transmitters (Wide and Narrow Range) high and low pressure isolation valves.[].
4.1.7 Open temporary transmitters (Wide and Narrow Range) equalizing valve.
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4.1.8 Slowly open 1LT-459 low pressure input test port.
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4.1.9 Slowly open temporary transmitters low pressure isolation valves.
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Abamme
=%9
Frocedurg No.
23vis6on Ps93 NO.
VEGP-23985-1 3
8 of 40 WARNING ANY TRAPPED FLUID VENTED DURING THIS PROCEDURE MAY BE CONTAMINATED.
A SUITABLE CONTAINER,-AS RECOMMENDED BY THE HEALTH PHYSICS DEPARTMENT, SHALL BE USED TO ENTRAP THIS FL11ID.
THE FLUID SHOULD BE DISPOSED OF IN ACCORDANCE WITH HEALTH PHYSICS DEPARTMENT PROCEDURES.
NOTE
-The temporary level systems (narrow and wide range) should be completely backfilled for correct operation.
4.1.10 Using vent screws, vent all air and fill temporary
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transmitters and poly tubing as required.
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4.1.11-Close temporary transmitters low pressure isolation
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valves.
4.1.12 Request RO to close valva 1-1201-X4-153.
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4.1.13 Using poly flow tubing, connect high pressure input of temporary (Narrow Range, ILT-11310) transmitter as follows.
4.1.13.1 Connect 1LT-11310 high side to high pressure input of valve wanifold.
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4.1.13.2 Connect high pressure input of valve manifold to stainitas tubing going to 1LK-1310.
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4.t.13.3 connect 1LK-1310 vent port to stainless tubing going to temporary transmitter 1LT-11310.
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4.1.14 Request RO to open valve 1-1201-X4-153.
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4.1.15 Slowly open narrow range temporary transmitter
-"BLT-11310 high pressure isolation valve.
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4.1.16 Using' vent screws, vent all air and fill narrow range
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temporary transmitter and poly tubing as required.
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Proceduf3 No.
Dvt&ori Page No.
VEGP 23985-1 3
9 of 40 4.1.17 Close narrow range temporary transmitter equalizing valve.
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4.1.18 Slowly open narrow range temporary transmitter low pressure isolation valve.
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4.1.19 Request RO to close valve 1-1201-X4-155.
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. 4.1.20 Using poly flow tubing, connect high pressure input of temporary (Wide Range, ILT-11320) transmitter as follows:
4.1.20.1 Connect 1LT-11320 high side to high pressure input of valve manifold.
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4.1.20.2 Connect high pressure input of valve manifold to stainless tubing going to 1LK-1320.
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4.1.20.3 Connect 1LX-1320 vent port to stainless tubing going to temporary transmitter ILT-11320.
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4.1.21 Close 1PT-405 pressure isolation valve.
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4.1.22 Open 1PT-405 input test port.
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4.1.23 Connect a variable pressure / water source and test i
gauge to 1PT-405 pressure input test port.
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4.1.24 Request RO to open valve 1-1201-X4-155.
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4.1.25 Adjust variable pressure / water source at 1PT-405 to current RCS system pressure.
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CAUTION To establish flow, do not exceed 150 psig pressure.
NOTE Allow flow sufficient time to flush any buildup from transmitter sensing lines into the RCS.
4.1.26 T e*n 1PT-405 pressure' isolation valve and adjust variable pressure / water source as required to established a flow path through transmitter sensing lines into the RCS.
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r
l-f Frocedura No.
R3vissori Page No.
VEGP-23985-1 3
10 of 40 4.1.27 Close 1PT-405 input test port.
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4.1.2d Reduce pressure to zero psig and remove pressure source
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j 4.1.29 Inspect valves, tubing and instrument for leaks.
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Immediate action.shall be taken to correct any leaks
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found.
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4.1.30 Slowly open wide range temporary transmitter 1LT-11320 high pressure isolation valve.
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4.1.31 Using vent screws, vent all air and fill wide range l
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temporary transmitter and poly tubing as required.
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4.1.32 Close wide range temporary transmitter equalizing
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valve.
4.1.33 Slowly open wide range temporary transmitter low l
pressure isolation valve.
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4.1.34 Connect temporary (narrow range) transmitter ILT-11310 output leads at junction box 1NRJB0114, terminals 1 (black +) and 2 (white -).
[],
4.1.35 Connect temporary (wide range) transmitter ILT-11320 output leads at junction box 1NRJB0115, terminals 1 (black +) and 2 (white -).
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4.1.36 At junction box 1NRJB0112, open links 1, 2 and 3 and close links 4, 5 and 6.
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4.1.37 At junction box 1NRJB0113, open links 1, 2 and 3 and close links 4, 5 and 6.
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4.1.38 Install a jumper to allow actuation of annunciator
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06A03 from temporary (Narrow Range) level loop (Annunciator has 4 initiating devices) at cabinet QAR3, TB3/L, terminals 24 and 26.
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4.1.39 Install a jumper to allow actuation of annunciator
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06D03 from temporary (Wide Range) level loop (Annunciator has 4 initiating devices) at cabinet QAR1,
~TB17L, terminals 17 and 19.
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4.1.40 Install a jumper at cabinet QAR4, TB4/L terminals 28
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and 29.
(To disable Hish alarm condition, ILB-950A) []
4.l.41 Install a jumper at cabinet QAR5, TB5/9 terminals 02
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and 03.-
(To disable Low alarm condition, ILB-957B) []
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Proceduf3 No.
Revision Page No.
VEGP 23985-1 3
11 of 40 l
l 4.2 CHANNEL CALIBRATION 4.2.1-Test Sa't-Up
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4.2.1.1 Disconnect field leads from cabinet QPC1, TBA, terminals 10 and 11.
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4.2.1.2 Connect a transmitter simulator, with an external 250 ohn test resistor in series with the negative lead, to cabinet QPC1, TBA, terminals 10 (+) and 11 (-).
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4.2.1'.3 Connect a DMM across external 250 ohn test resistor. []
4.2.1.4 Disconnect field leads from cabinet QPC4, TBA,
. terminals 16 and 17.
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i l
14.2.1.5 Connect a transmitter simulator, with an external 250 ohn test resistor in series with the negative lead, to cabinet QPC4, TBA, terminals 16 (+) and 17 (-).
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4.2.1.6 Connect a DMM across external 250 ohn test resistor. []
1 4.2.2 Channel Status Check (As Found)
I 4.2.2.1 Adjust transmitter simulator (QPC1) to final output 3
l-
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device indications listed and record input DMM readings in "As Found" section of " Data Sheet 1".
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d 4.2.2.2 Adjust transmitter simulator to point at which 4
annunciator 06A03 "ACCUM TANK 1 HI/LO LEVEL" is EXTINGUISHED.
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4.2.2.3 DECREASE transmitter simulator to point at which
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annunciator ILLUMINATES and record reading in "As Found" section of " Data Sheet 1".
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4.2.2.4 INCREASE transmitter simulator to point at which
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annunciator EXTINGUISHES and record reading in "As Found" section of " Data Sheet 1".
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4.2.2.5 Adjust transmitter simulator (QPC4) to final output
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device indications listed and record input DMM readings in,"As Found" section of " Data Sheet 1".
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]
- 4.2.2.6 Tdjusttransmittersimulatortopointatwhich annunciator 06D03 "ACCUM TANK 4 HI/LO LEVEL" is EXTINGUISHED.
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~. - -. - - - - - - -. -..
Procedura No.
fizvtsson Pgge No.
l VEGP 23985-1 3
12 of 40 i
4.2.2.7 INCREASE transmitter simulator to point at which
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annunciator. ILLUMINATES and record reading in "As 2
.Found" section of " Data Sheet 1"..
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i 4.2.2.8 DECREASE transmitter simulator to point at which i
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annunciator EXTINGUISHES and record reading in "As l
Found" section of " Data Sheet 1".
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l 4.2.3 Loop Power Supply (NLP 1) Card Calibration (1LQY-950)
Location:
Cabinet QPC1, slot 0321 l
4.2.3.1 Connect a DMM to " Output 0-10V" and "Sig Com" of ILQY-950.
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4.2.3.2 Adjust transmitter simulator (QPCl) to apply inputs
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listed and record output readings in "As Found" section j
l of " Data Sheet 2".
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4.2.3.3 If As Found readings are within limits spccified on
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" Data Sheet 2",
and more accurate readings are not desired, record readings in "As Left" section of " Data Sheet 2" and proceed to appropriate subsection.
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4.2.3.4 If As Found readings are not within limits specified on
" Data Sheet 2",
or more accurate readings are desired, proceed to Procedure 23300-C, " Field Calibration Procedure".
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4.2.3.5 Adjust transmitter simulator to apply inputs listed and
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record output readings in "As Left" section of " Data Sheet 2".
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4.2.4 Signal Comparator (NAL 2) Card Calibration (1LB-950A/B)
Location:
Cabinet QPC1, slot 0322 4.2.4.1 Adjust transmitter simulator (QPC1) to point at which comparator (2 is reset (Output LED ON).
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4.2.4.2 DECREASE transmitter simulator to point at which arator #2 trips (Output LED OFF) and record reading
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comp'As Found" section of " Data Sheet 3".
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in 4.2.4.3 INCREASE transmitter simulator to point at which com arator #2 resets (Output LED ON) and record reading
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~IR p'As Found" section of " Data Sheet 3".
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4.2.4.4 If As Found readings are within limits specified on
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" Data Sheet 3",
and more accurate readings are not desired, record readings in "As Left" section of " Data Sheet 3" and proceed to appropriate subsection.
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Procedur3 No.
R3 vision pgge No.
VEGP 23985-1 3
13 of 40 4.2.4.5 If As Found readings are not within limits specified on
" Data Sheet 3", or more accurate readings are desired, proceed'to Procedure 23300-C, " Field Calibration Procedure".
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4.2.4.6 Adjust transmitter simulator to point at which comparator #2 is reset (Output LED ON).
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4.2.4.7 DECREASE transmitter simulator to point at which comp'As Lef t" section ofarator #2 trips (Outp'ut LED OFF) and
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Data Sheet 3".
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in 4.2.4.8 INCREASE transmitter simulator to point at which
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comparator #2 resets (Output LED ON) and record reading in "As Left" section of " Data Sheet 3".
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4.2.5 Indicator Calibration (lLI-950)
Location:
QMCB Adjust transmitter simulator (QPCl) to indications 4.2.5.1
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listed and record input DMM readings in "As Found" section of " Data Sheet 4".
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4.2.5.2 If As Found readings are within limits specified on
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" Data Sheet 4",
and more accurate readings are not desired, record readings in "As Left" section of " Data Sheet 4" and proceed to appropriate subsection.
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4.2.5.3 If As Found readings are not within limits specified on
" Data Sheet 4", or more accurate readings are desired, proceed to Procedure 23300-C, " Field Calibration Procedure".
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4.2.5.4 Adjust transmitter simulator to indications listed
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and record input DMM readings in "As Left" section of l
" Data Sheat 4".
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i 4.2.6 Loop Power Supply (NLP 1) Card Calibration (lLQY-957)
Location:
Cabinet OPC4, slot 0325 1
4.2.6.1 Connect a DMM to " Output 0-10V" and "Sig Com" of lLQY-957.
i 4.2.6.2 Adjust transmitter simulator (QPC4) to apply inputs
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-Titted and' record output readings in "As Found" section F * ~ "
of." Data Sheet 5".
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3 4.2.6.3 If As Found readings are within limits specified on
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" Data Sheet 5", and more accurate readings are not desired, record readings in "As Left" section of " Data Sheet 5" and proceed to appropriate subsection.
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s l
Procedur3 Na R3 vision pgge No.
-23985-1 3
14 of 40 4.2.6.4 If As.Found readings are not within limits specified on
" Data Sheet 5",
or more accurate readings are desired, proceed ~to Procedure 23300-C.." Field Calibration Procedure".
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4.2.6.5 Adjust transmitter simulator to apply listed and record
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output readings in "As Left" section of " Data Sheet j
5".
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j 4.2.7 Signal Comparator (NAL 2) Card Calibration (1LB-957A/B) i Location:
Cabinet QPC4, slot 0326 I
4.2.7.1 Adjust transmitter simulator (QPC4) to point at which comparator #1 is reset (Output LED ON).
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j l
)
1 i
4.2.7.2 INCREASE transmitter simulator to point at which congarator #1 trips (Output LED OFF) and record reading i
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in As Found" section of " Data Sheet 6".
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4.2.7.3 DECREASE transmitter simulator to point at which i
ut LED ON) and record reading congarator #1 resets (Outp' Data Sheet 6".
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in As Found" section of
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4.2.7.4 If As Found readings are within limits specified on
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" Data Sheet 6",
and more accurate readings are not desired, record readings in "As Left" section of " Data l
Sheet 6" and proceed to appropriate subsection.
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4.2.7.5 If As Found readings are not within limits specified on
" Data Sheet 6",
or more accurate readings are desired,
~
proceed to Procedure 23300-C, " Field Calibration Procedure".
E3 4.2.7.6 Adjust transmitter simulator to point at which l
comparator (1 is reset (Output LED ON).
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4.2.7.7 INCREASE transmitter simulator to point at which-congarator fl trips (Outp'ut LED OFF) and record reading
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in As Left" section of Data Sheet 6".
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i 4.2.7.8 DECREASE transmitter simulator to point at which congarator fl resets (Output LED ON) and record reading
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in Ag Left" section of " Data Sheet 6".
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4.2.8
~TEdicator Calibration'(lLI-957)
Location:
QMCB 4.2.8.1 Adjust transmitter simulator (QPC4) to indications
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listed and record input DMM readings in "As Found" section'of " Data Sheet 7".
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Procedura No.
23 vision Page No.
VEGP 23985-1 3
15 of 40 4.2.8.2 If As Found readings are within limits specified on
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" Data Sheet 7",
and more accurate readings are not desired, record readings in "As Left" section of " Data Sheet 7" and proceed to appropriate subsection.
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4.2.8.3 If As Found readings are not within limits specified on
" Data Sheet 7", or more accurate readings are desired, proceed to Procedure 23300-C, " Field Calibration Procedure".
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4.2.8.4 Adjust transmitter simulator to indications listed and
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record input DMM readings in "As Left" section of " Data Sheet 7".
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4.2.9 Channel Status Check (As Left) 4.2.9.1 Repeat steps 4.2.2.1 through 4.2.2.8 to obtain As Left values.
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4.3 SENSOR VERIFICATION / CALIBRATION (Narrow Range) 1LT-11310 Location:
Containment Bldg., 14AC/RB02 4.3.1 Disconnect test equipment connected to cabinet QPC1, TBA, terminals 10 and 11.
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4.3.2 Connect field lead to cabinet QPC1, TBA, terminal 10.
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4.3.3 Connect field lead in series with 250 ohn test resistor to terminal 11.
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4.3.4 Connect a DMM across the 250 ohn test resistor.
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4.3.5 Close temporary transmitter high pressure isolation l
valve.
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4
)
4.3.6 Open temporary transmitter equalizing valve.
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j 4.3.7 Close temporary transmitter low pressure isolation valve.
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l WARNING ANY TRAPPED' FLUID VENTED DURING i
ISOLATION FROM OR RESTORING TO SERVICE MAY BE CONTAMINATED.
A SUITABLE CONTAINER, AS RECOMMENDED BY THE HEALTH PHYSICS DEPARTMENT, SHALL BE USED TO ENTRAP THIS FLUID.
THE FLUID SHOULD BE DISPOSED OF IN 4
ACCORDANCE WITH HEALTH PHYSICS DEPARTMENT PROCEDURES.
r
mm- _
Procedur3 N A R2v12 ton Page No.
VEGP 23985-1 3
16 of 40 J
l 4.3.8 Open temporary transmitter input test ports.
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l
- 4. 3. 9 -
Connect a variable pressure source and test gauge to transmitter low pressure input test port.
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4.3.10 Apply inputs listed and record transmitter output 1,
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readings in "As Found" section of " Data Sheet 8".
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4.3.11 If As Found readings are within limits specified on
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" Data Sheet 8" and more accurate readings are not desired, record readings in "As Left" section of " Data 1
Sheet 8" and proceed to step 4.3.16.
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'i 4.3.12 If As Found readings are not within limits specified on
" Data Sheet 8",
or more accurate readings are desired, l
apply zero percent input and adjust transmitter "Zero" adjustment to obtain Expected output value listed on i
" Data Sheet 8".
[]
4.3.13 Apply 100 percent input and adjust transmitter " Span" j
adjustment to ebtain Expected output value listed on
" Data Sheet 8".
[]
a i-l 4.3.14 Repeat transmitter "Zero" and " Span" adjustments until i
no further adjustments are necessary.
[]
I 4.3.15 Apply inputs listed and record transmitter output
- /*
readings in "As Left" section of " Data Sheet 8".
[]
j 4.3.16 Reduce test pressure to zero "H,0 and remove
- /*
pressure source and. test gauge from transmitter.
[]
4.3.17 Close transmitter input test ports.
[]
- /*
4.3.18 open transmitter equalizing valve.
[1 i
- /*
I l
4.3.19 Slowly open transmitter low pressure isolation valve.[]
i
- /*
4.3.20 Air must be vented from transmitter used in liquid
- */*
service.
[]
4.3.21 Close transmitter equalizing valve.
[]
- -. +
1 l
- /*
5
- - ~ - -
c--
~
. - ~ ~..
.. _ ~..
Procedure No. -
R$ vision Psge No.
VEGP 23985-1 3
17 of 40 4.3.22 Slowly open transmitter high pressure isolation
- /*
valve.
[]
4.3.25 Inspect valves, tubing, and instrument for leaks.
- /*
Immediate action shall be taken to correct any leaks found.
[]
4.4 SENSOR VERIFICATION / CALIBRATION (Wide Range) 1LT-11320 Location:
Containment Bldg., 14DC/RB02 4.4.1 Disconnect test equipment connected to cabinet QPC4,
~
TBA, terminals 16 and 17.
[]
4.4.2 Connect field lead to cabinet QPC4, TBA, terminal 16.[]
4.4.3 Connect field lead in series with 250 ohn test resistor to' terminal 17.
[]
4.4.4 Connect a DMM across the 250 ohn test resistor.
[]
4.4.5 Close temporary transmitter high pressure isolation valve.
[]
)
4.4.6 Open temporary transmitter equalizing valve.
[]
4.4.7 Close temporary transmitter low pressure isolation valve.
[]
WARNING ANY TRAPPED FLUID VENTED DURING
{
ISOLATION FROM OR RESTORING TO SERVICE MAY BE CONTAMINATED.
A l
SUITABLE CONTAINER, AS RECOMMENDED BY THE HEALTH PHYSICS DEPARTMENT, l
SHALL BE USED TO ENTRAP THIS FLUID.
THE FLUID SHOULD BE DISPOSED OF IN
~
ACCORDANCE WITH HEALTH PHYSICS i
DEPARTMENT PROCEDURES.
4.4.8 open temporary transmitter input test ports.
[]
4.4.9 Connect a variable pressure source and test gauge to transmitter low pressure input test port.
[]
j an---
me 4.4.10 Apply inputs listed and record transmitter output
- /*
readings in "As Found" section of " Data Sheet 9".
[]
e
t.
Procedur3 No.
Hvision Pige No.
VEGP 23985-1 3
18 of 40 4.4.11 If As Found readings are within limits specified on
- /*
" Data Sheet 9" and more accurate _ readings are not desired, record readings in "As Left" section of " Data Sheet 9" and proceed to step 4.4.16.
[]
4.4.12 If As Found readings are not within limits specified on
" Data Sheet 9", or more accurate readings are desired, apply zero percent input and adjust transmitter "Zero" adjustment to obtain Expected output value listed on
" Data Sheet 9".
[]
4.4.13 Apply 100 percent input and adjust transmitter " Span" adjustment to obtain Expected output value listed on
" Data Sheet 9".
[]
4.4.14 Repeat transmitter "Zero" and " Span" adjustments until no further adjustments are necessary.
[]
4.4.15 Apply inputs listed and record transmitter output
- /*
readings in "As Left" section of " Data Sheet 9".
[]
4.4.16 Reduce test pressure to zero "H 0 and remove pressure 9
- /*
source and test gauge from transmitter.
[]
4.4.17 Close transmitter input test ports.
[]
- /*
4.4.18 Open transmitter equalizing valve.
[]
- /*
4.4.19 Slowly open transmitter low pressure isolation valve.[]
- /*
4.4.20 Air must be vented from transmitter used in liquid
[]
- /*
service.
l I
4.4.21 close transmitter equalizing valve.
[]
- /*
b 4.4.22 Slowly open transmitter high pressure isolation
[]
- L*
valve.
,l 4.4.23 Ingpect valves, tubing, and instrument for leaks.
-.Immediate action shall be taken to correct any leaks
- /*
[]
found.
2 4 1 f..
.m
Procedur3 No.
Ricvivon Page No.
VEGP 23985-1, 3
19 of 40 i
4._
WATER LEVEL SYSTEM REMOVAL 4.5.1 At junction box 1NRJB0112, open links 4, 5 and 6 and
- /*
close links 1, 2 and 3'.
[]
4.5.2 At junction box INRJB0113, open links 4, 5 and 6 and
- /*
close links 1, 2 and 3.
[]
4.5.3 Request RO to close valve 1-1201-I4-153.
[]
4.5.4 Request RO to close valve 1-1201-I4-155.
[]
4.5.5 Open temporary (Wide ind Narrow Range) transmitters equalizing valve.
[]
i 4.5.6 Close Pressurizer level transmitter 1LT-459 low
- /*
pressure input test port.
[]
1 WARNING ANY TRAPPED FLUID DRAli 2D AT THIS TIME MAY BE CONTAMINATED.
A SUITABLE CONTAINER, AS RECOMMENDED BY THE HEALTH PHYSICS DEPARTMENT, SHALL BE USED TO ENTRAP THIS PLUID.
THE FLUID SHOULD BE DISPOSED OP IN l
ACCORDANCE WITH HEALTH PEYUICS DEPARTMENT PROCEDURES.
4.5.7 Vent and drain all liquid from poly flow tubing and temporary (Wide and Narrow Range) transmitters as required.
[]
4.5.8 Disconnect temporary (narrow range) transmitter
- /*
ILT-11310 output leads at junction box 1NRJB0114, 4
terminals 1 and 2.
[]
l 4.5.9 Disconnect temporary (wide range) transmitter ILT-11320
{
- /*
output leads at junction box 1NRJB0115, terminals 1 and 2.
[]
4.5.10 Remove temporary (Narrow and Wide Range) tra
[]
--~.,nsmitters.
I;-
4.5.11 Disconnect poly flow tubing and test gauge from 1LI-1310, ILI-1320 and ILT-459.
[]
4.5.12 Install vent plugs on ILI-1310 and ILI-1320.
[]
i
- /*
i L
4
+
F-we
Procedurc Nb.
2Cvoon Prge No.
VEGP 23985-1 3
20 of 40 4.5.13 Request RO to open valve 1-1201-X4-153.
[]
- /*
4.5.1h Request RO to open valve 1-1201-X4-155.
[]
w/*
4.5.15 Rre me jumper connected at cabinet QAR3, TB3/L,
- /*
te-
.nals 24 to 26.
[]
4.5.16 Remove jumper connected at cabinet QAR1, TB1/L,
- /*
terminals 17 to 19.
[]
4.5.17 Remove jumper connected at cabinet QAR4, TB4/L,
- /*
terminals 28 to 29.
[]
2 4.5.18 Remove jumper connected at cabinet QAR5, TB5/9,
- /*
terminals 02 to 03.
[]
4.5.19 Perform Procedure 24766-1, " Accumulator Tank #1 Level l
i
- /*
1L-950 Channel Calibration" to varify :orrect calibration of loop IL-950.
[]
4.5.20 Perform Procedure 24773-1, " Accumulator Tank f4 Level
- /*
1L-957 Channel Calibration" to verify correct calibration of loop 1L-957.
[]
4.6 RESTORE TO SERVICE 4.6.1 Remove all te.t equipment connected during the course
- /*
of this procedure.
[]
l 4.6.2 If not already performed, connect field leads to
- /*
cabinet QPC7., TBA, terminals 10 and 11.
[]
4.6.3 If not already performed, connect field leads to
- /*
cabinet QPC4, TBA, terminals 16 and 17.
[]
4 4.6.4 If not already performed, install any cards removed
- /*
during performance of Procedure 23300-C, " Field Calibration Procedure" in rack and secure with locking
[]
screws.
4.6.5 Verify loops reflect current plant conditions after
- /*
they are restored to service.
[]
~~_
4.6.6 Notify RO that temporary Loops 1L-950 and 1L-957 have been returned to service.
[]
4.6.7 Notify Shift Supervisor, or designee, of completion of
- /*
work including test results and obtain signature on
" Completion Sheet".
[]
i
Procedure No.
R?vtDon Page No.
VEGP 23985-1 3
21 of 40 5.0 ACCEPTANCE CRITERIA 5.1 The Acce.ptance Criteria for this procedure is that all devicer. listed below are within limits specified on j
applica' ole Data Sheets.
5.1.1 Channel Calibration a.
Indicator ILI-950 b.
NAL Card 1LB-950A/B c.
NLP Card ILQY-950 i
d.
NLP Card ILQY-957 e.
NAL Card ILB-957A/B f.
Indicator ILI-957 5.1.2 Sensor Verification / Calibration a.
Narrow Range 1LT-11310 b.
Wide Range 1LT-11320 5.2 Satisfactory completion of this procedure has been met when I&C Foreman has evaluated data obtained per Acceptance Criteria of this procedure, reviewed, and signed Data Sheets provided.
6.0 REFERENCES
6.1 Instruction Manual for Process Instrumentation and Control, 1X6AU01-526.
6.2 Instruction Manual for Westinghouse Series 252 Indicator, 1X6AV02-286 6.3 Instruction Manual for Rosemount D.P. Transmitters, 1X5AD04-66 6.4 Wiring Diagrams, 1X3D-CH-J19H, 1X3D-CE-F01G, 1X3D-CE-F01E and 1X3D-CE-F01J v
6.5 P&ID Diagrams, 1X4DB113, 1X4DB112 6.6 Interconnecting Wiring Diagrams, 1X6AUO1-378 and 1X6AUO1-469 l
I t
Procedur3 No.
Ocytzi@rl Page No.
l VEGP 23985-1 3
22 of 40 6.7 PROCEDURES 6. 7.1.,
23300-C,
" Field Calibration Procedure" 6.7.2 24766-1,
" Accumulator Tank fl Level IL-950 Channel Calibration" 6.7.3 00306-C,
" Temporary Jumper And Lifted Wire Control" 6.7.4 13005-1,
" Reactor Coolant System Draining" 6.7.5 24773-1,
" Accumulator Tank f4 Level IL-957 Channel Calib7;ation" 6.7.6 54840-1,
" Installation And Removal Instructions For The RCS Temporary Level Indication Tygon Tube" 6.8 Annunciator Engraving And System Information, 1X6AV01-242 6.9 Indicator Specification Sheet - 1X6AA02-500 6.10 Transmitter Location Drawings - 1X5DS4D06, II5DS4A06, 1X5DS4D07 AND II5DS4A07 END OF PROCEDURE TEXT l
l a
Oh h
. -. ~.
~
1 3
NocedW3 ND.
Rivision p 9, go, VEGP 23985-1 3
23 of 40 a
ILQY-950 ILB-950 ILY-950 Lt Alarm.
ILT-11310 A/B To Annun 06A03
]
NLP 1 NAL 2 NAI 6 0321 0322 0924 i
Narrow Range ;
i -
1LI-950 4
QMCB l
y1 t@ 'W Aood pr7
\\
1 I
&T 2
1 1LQY-957 l ILT-11320 ILI-957 1
l NLP 1 0325 QMCB Wide Range 1
1 1
ILB-957 ILy 957A j
l-A/B Hi Alarm.
To Annun 06003 NAL 2 NAI 6 i
0326 0924 l
l LOOP DESCRIPTION:
Temporary (Narrow Range) transmitter 1LT-11310 senses Reactor Coolant System level and sends this signal to Loop IL-950 in
- l" cabinet QFCT-Where it is converted for use as an input to indicator ILI-950 and Annunciator 06A03 "ACCUM TANK 1 HI/LO LEVEL" for temporary (Low Level) alarm indication. Temporary (Wide Range) transmitter ILT-11320 senses Reactor Coolant System level and sends this signal to Loop 1L-957 in cabinet QPC4 where it is converted for use as an input to indicator ILI-957 and Annunciator 06D03 "ACCUM TANK 4 HI/LO LEVEL" for temporary (High Level) alarm indication.
4 l
FIGURE 1
't
,~.-
EfoC8durs No.
R vision Page No.
2 VEGP 23985-1 3
24 of 40 I
PressurizerLevelYransmitter
()fi<
)
ILT-459 l f 1
\\
l
'h,
y Poly' Tubing -
b i
f Poly Tubing
$g g g,,,
Tebing Poly Tubing Vent a
Vent Port Port
^
^ 6 1320 1
A RIVLIS RIV(IS Isolator Isolator Stainless Tubing Stainless Tubing Narrow Range
'dide Range j ILT-11310 j
l ILT-11320 j
HP P
LP P
PpPoly Poly p
h Tubing Tubing HP LP LP HP Valve Valve Manifold Manifo1,d HP LP HP Poly k Poly Tubing Tubing NOTE Poly tubing to be as short and straight as possible.
FIGURE 2 l
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Procedure No.
Revtsion Page No.
j f
VEGP 23985-1 3
27 of 40 i
i DATA SHEET 1 SHEET 3 OF'3 IL-950 /113-957 Cabinet No.
OPC1/OPC4 Loop No.
i Title RCS Tn=norary Water Level System l
1
-)
NOTES:
Annun. 06A03 Narrow Range Input Annun. 06D03 Wide Range Input j
i ACTION UNITS RIPECTED2 LO fTNTT HI 1TMTT AS FOUND AS LEFT Annun. 06A03 ILLUNTMATED V DC 3.400 3.370 3.430 Annun. 06A03 EXTINGUISMKD V DC 3.440lnl.
3.410 3.470 ACTION UNITS
- RYPECTRn, Im 1TMIT HI TTMIT AS FOUND AS LEFT 4.24G'17e 4.210 4.270 Annun. 0 6 D 0 3 T Y.Y.1_IN T M A T E D V DC Annain. 06D03 EXTINGUISNRn V DC 4.200 4.170 4.230 70 %
f COMMENTS:
i
't I
i t
TEST EOUIPMRNT I.D. NO.
MODEL NO.
cArTREATION DUE DATE PREPORNRn BY:
DATE:
{
REVIEWED BY:
DATE:
t APPROVED BY:-
DA12:
f
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'i Procedure No.
. Rew6sion Page No.
VEGP 23985-1 3
34 of'40
[
t i
DATA SHEET 8 SHEET 1 OF~1 l
,i 1
Innt. No.
1LT-11310 Location 14AC/RB02 Serial No.
t
+-
3
)
Narrow Range Description Transmitter Manufacturer Rosemount Model No.-
1153DB NOTES:
Input to low side with high. side vented
/"
INPUT RYPECTED LO 1 TNTT -
HI 1TMIT AS ruunu AS LEFT COMMENTS:
"H O V DC V DC V DC V DC V.DC 2
. i.
9 179.25 1.000 0.980 1.020 25 171.75 2.000 1.980 2.020 50 164.25 3.000 2.980 3.020 75 156.75 4.000 3.980 4.020
'l 100 149.25 5.000 4.980 5.020 75 156.75 4.000 3.980 4.020
)
50 164.25 3.000 2.980 3.020 25 171.75 2.000 1.980 2.020 1
i 0
179.25 1.000 0.980
-1.020 i
TEST EOUIPMRuT I,D. NO.
MODEL NO.
CA1.TBRATION DUE DATE PRMFOnMRn BY:
DATE:
I
' REVIEWED'BY:
DATE:
t r
APPROVED BY:
DATE:-
I
- - =
f
.t t
Revision Page No.
Procedurs No.
VEGP 23985-1 3
35 of 40 f
t i
DATA SHEET 9 SREET 1 OF'l Inst. No.
ILT-11$20 Location 14DCIRB02 Serial No.
4 1
Wide Range Description Transmitter Manufacturer Rosemount Model No.
1153DB ItOTES:
Input to low side with high side vented.
I 3 AS FOUND AS LEFT COMMENTS:
INPUT KYPECTED LO LIMIT HI 1TMIT i
' V -- DC -
V DC
]
2 o
179.25 1.000 0.980 1.020 25 155.25
'2.000 1.980 2.020 50 131.25 3.000 2.980 3.020
- i 75 107.25 4.000 3.980 4.020 100 83.25 5.000 4.980 5.020 f
75 107.25 4.000 3.980 4.020 j
50 131.25 3.000 2.980 3.020
)
25 155.25 2.000 1.980 2.020 i
0 179.25 1.000 0.980 1.020 TEST EOUIPMRw1 I,D. NO.
MODEL NO.
CATTREATION-DUE DATE
'l PREFORNRn bY:
DATE:
REVIEWED BY:
DATE:
APPROVED BY:
'DATE:
i
~
l 6
Fr0 ceder 3 No.
hwpon Page No.
l VEGP 23985 '3 36 of 40 Sheet 1 of l' CALCULATION SHEET 5-S'how all calculations performed during course of this procedure in the space below.
1 i
l 1
t i.
4 3
4 r
i 1
a i.
i
)
i i
J i
i i
Completed by:
Date:
Reviewed by:
Date:
Approved by:
Date:
i i
.. ~....-
= _.
Procedur3 No.
T2:vi14on Page No.
VEGP-23985-1 3
37 of 40 CHECKLIST SHEET 1 OF 3 3.1 Shift Supervisor Authorization 4
Signature Date 3.2 Reactor Operator (RO) Notified i
Sinnature Date STEP VERIFICATION 1
Initial Step /Substeo 3.6 Prerequisites met 1
4.1.10 Air vented from system i
4.1.16 Air vented 4.1.27 1PT-405 input test port closed 4.1.28 1PT-405 test equipment removed 4.1.29 1PT-405 leak inspection 4.1.31 Air vented 4
i 4.1.38 Jumper installed QAR3,TB3/L, tern 24 to 26 4.1.39 Jumper installed QAR1,TBl/L, tern 17 to 19 4.1.40 Jumper installed QAR4,TB4/L, tern 28 to 29 4.1.41 Jumper installed QAR5,TB5/9, tern 02 to 03 4.3.16 Remove test equipment 4.3.17 Input test ports closed 4.3.18 Equalizing valve open 4.3.19 Low pressure iso valve open 4.3.20 Air vented 4.3.21 Equalizing valve closed
-m, 4.3.22 High pressure iso valve open 4.3.23 Leak check ok l
m
.<~,-__._-._m.,_.m..
- ~... ~
.._....--m..
_... _,... _ _. _ ~ _. -
4 Procedura No.
Rivition Ptg3 No, VEGP 23985-1 3
38 of 40 CHECKLIST SHEET 2 0F-3 STEP VERIFICATION Steo/Substeo Initial l
4.4.16 Remove test equipment i
4.4.17 Input test ports closed 4.4.18 Equalizing valve open v
4.4.19 Low pressure iso valve open 1
i 4.4.20 Air vented
[
4.4.21 - Equalizing valve closed 4.4.22 High pressure iso' valve open l
4.4.23 Leak check ok 4.5.1 1NRJB0112 links in correct position i
4, 5 and 6 open 1, 2 and 3 closed a,__
i
)
4.5.2 1NRJB0113 links in correct position l
4, 5 and 6 open 1, 2 and 3 closed
{
4.5.6 ILT-459 low pressure input test port closed 4
4.5.8 Temporary (1LT-11310) transmitter leads disconnected i.
INRJB0114, tern 1 (+)
'1NJRB0114,ters 2 (-)
4.5.9 Temporary (1LT-11320) transmitter leads disconnected 1NJRB0115,ters 1 (+)
l 1NJRB0115,ters 2 (-)
4.5.12 Vent plugs installed 1LX-1310 I
ILI-1320 i
i i
4.5.13 1-1201-X4-153 open i
i ---
4.5.14 1-1901-X4-155 open i
1 4.5.15 Jumper removed QAR3,TB3/L,ters 24 to 26 i
j 4.5.16 Jumper removed QAR1,TB1/L,ters 17 to 19 4.5.17 Jumper removed QAR4,TB4/L, tern 28 to 29 1
h I
i i
Pf0Cedur3 MO-
' Rsvision Page No.
VEGP 23985-1 3
39 of 40 CHECKLIST SHEET __3 OF 3
)
STEP VERJJFICATION j
Steo/Substeo Initial l
4.5.18 Jumper removed QARS, TB5/9, tern 02 to 03 i
4.5.19 Procedure 24766-1 performed 4
I 4.5.20 Procedure 24773-1 performed i
4.6.1
. Remove all test equipment j
4.6.2 Field leads connected QPC1, TBA, ters 10 tern 11 i
4.6.3 Field leads connected QPC4, TBA, terz 16 tern 17 l
4.6.4 Cards installed and secured 4
i 4.6.5 Loops reflect plant conditions Performed by:
Date:
Reviewed by:
Date:
e i
1 4
4
- e 4
__._ _ _ _ _ _ _ _. ~ _. _
i'-
-tror eurs N3.
hvision Page No.
VEGP 23985-1~
3 40 of 40 Sheet 1 of 1 COMPLETION SHEET i
i PROCEDURE TITLE RCS TEMPORARY WATER LEVEL SYSTEM TIME TEST STARTED BY DATE i
DEFICIENCIES OCCURRED AND ACTIONS TAKEN 4
1 l
i-i i
l.
L l
l; I
i 4
i i
TEST RESULTS:
ACCEPTABLE []
UNACCEPTABLE []
CHANNEL RESTORED TO SERVICE []
CHANNEL COMMITTED TO REPAIR []
w.
-m TEST-COMPLETED BY
___ TIME DATE SHIFT SUPERVISOR NOTIFIED Signature Time Date REVIEWED BY:
DATE:
APPROVED BY:
DATE:
3 m
n
9/M/9/
AGENDA Region Meeting On Enforcement Conference I
Based on Demands for Information I. Meeting with Georgia Power Company Finalize Time for Meeting either 10:30 a.m /2:30 p.m.
September 19 a.
b.
NRC Attendees c.
GPC Attendees r
d.
Agenda - Finalize - See Attached e.
Transcription of Meeting Arrangements Issuance f.
PDR 1
g.
Re::ponse to the licensee 4
- 11. Meeting with Mr. W.JKitchens.
J 3
a.
Finalize Time for Meeting either 10:30 a.m. /2:30 p.m.,
on J
September 19.
b.
NRC Attendees - See Attached y
c.
Mr. Kitchens attendees t 3 Oos. f
.2,
[Jpgl. f[
y, j
d.
Finalize Agenda - See Attached e.
Transcription of Meeting Arrangements 7
Issuance
. _.... ~... _ _. - _. - _ - -
I 2
f.
Response to Mr. Kitchens-l;
'j.
III.-Room Arrangements-I I
a.
Name Plates i
i b.-
Cleaning c.
Tables & Chairs (Seating Arrangement) i a
i 4
J 1
I 4
4 N
t'
^l
.i l
. _ _ - - ~ -.. _
i l
3 Proposed Agenda for Vogtle Enforcement Conference Georgia Power Company
- l l
i
- 1. Opening Remarks J. Sniezek S. Ebneter
^
- 2. Enforcement Remarks J. Lieberman
'l
- 3. Introduction of Technical Discussion E. Merschoff l
- 4. Remarks by GPC (30-45 minutes)
- 4. r_ HCet Q fewe r 1
. 5. Staff Questions E. Merschoff l
- 6. Closing Remarks C. K. McCoy J. Sniezek
4 Proposed Agenda for Enforcement Conference Mr. Kitchens l
i i
l
- 1. Opening Remarks. w J. Sniezek
- 1. \\hYto).
f 3 [. Enforcement 4maeks Deer v?cW J. Lieberman 2-i n t rndor + 4 ea af TechnM-Discussion t M erickaff bM*4 AO 4.A emarks by Mr. Kitchens (J9=46 minutes)
W. Kitchens R
l
- Scu
- 5. Staff _ 'artien.55 cm E. Merschoff Dd W. Kitchens
- 6. Closing 7.
.e '
(Fbn:Ax,oct.:bena-)
5 a
ATTENDEES 1
J. Sniezek, EDO B. Hayes. 01 R. Hoefling, OGC j
.J. Vorse Ol' J. Lieberman, OE J. Partlow, NRR' M. Loinsi, WRR
.M.
^iau.neW5, NKR
~
r P. Skirr.:r, P.!!
7 A. Hardt, W r-E.' Merschoff, RII S. Ebneter, RII G. Jenkins, RII C.. Evans,-RII
s Osptember 16, 1991 COMPARATIVE ANALYSIS it of Vogtle Dilution Event &
{
sequoyah Cold Leg Accumulator Valve Eveat (LER 91-03) l'
SUMMARY
ii' VOGTLE In October 1988, VEGP personnel opened a manual valve required g
to be ' locked shut by TS to r dd chemicals to RCS.
3 SEQUOYAH In February 1991, a breaker for a cold leg accumulator (CLA)
I was unlocked and operated although the TS required the breaker to be opened and locked.in that position (LER 50-328/91-003 and NRC IR 50-327,328/91-06).
SINILARITIES DIPFERENCE8 No approved Procedure used Verbal /SS conducted evolution Operated outside design basis Incentionally entered TS LCO SQN - Valve manipulated as part of effort to reduce in-leakage from RCS to CLA VEGP - Valve manipulated to enhance schedule for shutdown.
l SQN - Jh) senior level management involvement VEGP - Senior ranagement involved in' discussion to violate TS.
SQN -Upon discovery of event Management recognized violation of TS.
VEGP - Management did not recognize TS violation.
SQN - Initial investigation SQN -Reported via LER 91-03.
determined event was not reportable
- Subsequent investigation changed VEGP - Not reported.
reportability.
SQN - TS Surveillance requires check of interlock associated with valve and this had been checked at NOP & NOT in past history (not done this way at present).
SQN Cited as Violation 91-06-01 for independent verification h/
inadequacy (SL-IV) g an.n-. -m5:
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