ML20065C593
| ML20065C593 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 03/18/1994 |
| From: | FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML20065C588 | List: |
| References | |
| AP-582, NUDOCS 9404050238 | |
| Download: ML20065C593 (15) | |
Text
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LONNIY REV 4
-AP-582 LO l
LOSS OF NNI-Y 1.0 ENTRY CONDITIONS
.LE a loss of NNI-Y AC or DC power exists IHEN use this-procedure.
2.0 INNEDIATE ACTIONS
-l There are no immediate actions for this procedure.-
t Document Section
- N F O R M AT I O N O N.L C. R. Nuclear i.
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l-I This Procedure Addresses, Safety Related Components
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Approved by MNPO kitu Date3//f/fV
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3.0 FOLLOW-UP ACTIONS
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ACTIONS DETAILS 1.
Control board instrumentation may be verified with the Redundant Instrument Panel during performance of this procedure.
3.1 Stabilize the plant with 1.
Valid instruments valid instruments include:
o RCS Press / RC-158-PI2
)
/ RC-159-PI2 0 FDW Flow / SP-8A-FIR 1 o Turb Hdr / SP-10A-PIR1 o Tave
/ RC-12-TAI o A DH Flow / DH-1-FIl o B DH Flow / DH-1-FI3-1 o PZR Level / RC-1-LIR1
/ RC-1-LIR3
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2.
Position instrument selector switches to the NNI X powered
(~')
instrument V
l 3.2 Verify SASS modules o A red trip light on the swapped to the SASS module indicates alternate channel that the channel has swapped to the alternate instrument 3.3 Control RCS PRESS o Auto RCS PRESS control based on plant conditions, is unaffected using:
0 PZR Heaters o PZR Spray o PORV AP-582 REV 4 PAGE 3 of 15 LONNIY s
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3.0 FOLLOW-UP ACTIONS (CONT'D1 ACTIONS DETAILS
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i 3.4 Maintain PZR level > 50".
o Makeup control (MUV-31) is unaffected.
o E NNI-Y AC is N_QI energized, 1
M Letdown flow control (MUV-51) will fail to 50%.
o E MUV-51 is failed, M Letdown flow may be reduced by using MUV-50 or MUV-49.
E MUV-49 will NQI close, M close A_LL letdown cooler outlet isolation valves:
MUV-40, MUHE-1A, MUV-41, MUHE-18, MUV-505, MUHE-10.
3.5 Ensure both Condensate Pump E Condensate Pump controllers are selected to controllers are NOT
" HAND" and manually control energized, condensate flow with the M ensure the following:
individual pump controllers.
o VBDP-3 Bkr #38 is closed, o
24V DC Backup Power Supply, located in NNI Cabinet 3 Row 11, is energized, Top Row.
3.6 Notify S0TA, if available, of plant conditions.
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3.0 F0LLOW-UP ACTIONS (CONT'D)
ACTIONS DETAILS 3.7 Determine the status of o Observe the.4 power NNI-Y DC power.
supply monitor lights i
located in'NNI Cabinet 7 Row 3, Module 15.
o NNI-Y DC power is energized if at least 1 POS and 1 NEG light is lit.
f 3.8 Refer to Enclosure 2 for unreliable instrumentation.
3.9 Ensure the conditions Refer to Enclosure ~1.
maintained by the affected-interlocks are not exceeded.
3.10 WtiEN restoring power to NNI-Y, It[EH GO TO OP-501, Reactor Non-Nuclear Instrumentation beginning l
with Step 4.2.1.
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Interlocks Affected by a loss of NNI-Y INTERLOCK DC DE-ENERGIZED AC DE-ENERGIZED NOV-112, MAKE-UP Disabled Disabled
-TANK LOW-LOW LEVEL if Y Transmitter if Y Transmitter INTERLOCK selected (will not selected (will not transfer upon LOW-LOW transfer upon.
MUTlevel)
LOW-LOW MUT level) i PORY Disabled Disabled (LOW POSITION)-
(will not Auto open)
(will not Auto open)
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Unreliable Instrumentation Due to a Loss of NNI-Y DC Power L
UNRELIABLE INSTRUMENT TITLE 4
ICS Panel RC-5A-TI2 Loop A NR T RC-58-TI2
. Loop B NR T,,
RC-7B-TAI.
Lo6p B T RC-14-FIR RCS Totaf* Flow RC-14B-FI Loop B RCS Flow SP-7B-FI Loop B S/U FW Flow i
TGF Panel SP-48-TI B Main Stm Temp SP-4B-TIR (B)
B Main Stm Temp PSA Panel CD-101-LI Hotwell Level MU-2-PI MVP Disch Press MU-4-FI Letdown Flow MU-5-TI Letdown Temp O
MU-18-DPI Postfilter DP SF-1-LII.
SF Pool A Level SF-1-LI2 SF Pool B Level ES Panel BS-1-FI2 B.RB Spray Flow CF-1-PI2 A CFT Press CF-1-PI4 B CFT Press CF-2-LI2 A CFT Level CF-2-LI4 B CFT Level DH-2-TI2 B DH Cooler Outlet Temp DH-6-TI2 B DH Suction Temp DH-1-FI2 B DHP Flow MU-23-FI4 Loop Al WR HPI Flow MU-23-FI3 Loop B2 WR HPI Flow O
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. Unreliable Instrumentation Due to a Loss of NNI-Y DC Power UNRELIABLE INSTRUMENT
. TITLE Recundant Instrument Panel DH-1-FI7 B DHP Flow MU-4-FIl-Letdown Flow MU-14-LI2 MUT Level MU-24-FI2 Makeup ' Flow RC-1-LI4 PZR Level RC-2-TI2 PZR Temp RC-3B-PI2 RCS Press WR RC-4A-TI4 Loop A'WR Th RC-48-TI4 Loop B WR T3 RC-5A-TI4 Loop A WR T i
i RC-58-TI4.
Loop B WR T RC-131-PIl RCSPressLil SP-1A-LIS A OTSG S/U Level SP-1B-LI4 B OTSG S/U Level SP-1A-LI7 A OTSG Oper Level SP-18-LI7 B OTSG.0per Level SP-6A-PI4 A OTSG Press SP-6B-PI4 B OTSG Press O
SP-78-FIl Loop B S/U FW Flow SP-8A-FI2 Loop A MFW Flow SP-88-FI2 Loop B MFW Flow l
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w Page 3 of 3 Unreliable Instrumentation Due to a Loss of NNI-Y AC Power UNRELIABLE INSTRUMENT TITLE ICS Panel RC-5A-TI2 Loop A NR T RC-5B-TI2 Loop B NR T,c TGF Panel SP-48-TI B Main Stm Temp SP-48-TIR (B)
B Main Stm Temp PSA Panel MU-2-PI MVP Disch Press MU-4-FI Letdown Flow MU-5-TI Letdown Temp MU-18-DPI Postfilter DP RC-131-PI RCS Press LR SF-1-LII SF Pool A Level SF-1-LI2 SF Pool B Level ES Panel BS-1-FI2 B RB Spray Flow CF-1-PI2 A CFT Press CF-1-PI4 B CFT Press CF-2-LI2 A CFT Level CF-2-LI4 B CFT Level DH-1-FI2 B DHP Flow DH-2-TI2 B DH Cooler Outlet Temp DH-6-TI2 B DH Suction Temp Redundant Instrument Panel MU-4-FIl Letdown Flow RC-4A-TI4 Loop A WR Th RC-5A-TI4 Loop A WR T RC-131-PIl RCSPressLk SP-1A-LI7 A OTSG Oper Level SP-18-LI7 B OTSG Oper Level i
SP-6A-PI4 A OTSG Press SP-68-PI4 B OTSG Press SP-8A-FI2 Loop A MFW Flow SP-8B-FI2 Loop B MFW Flow V
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