ML20196F716
| ML20196F716 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 11/23/1998 |
| From: | Wilson I FLORIDA POWER CORP. |
| To: | |
| Shared Package | |
| ML20196F697 | List: |
| References | |
| AP-470, NUDOCS 9812070113 | |
| Download: ML20196F716 (29) | |
Text
l LOIA REV 09 (MC)
AP-470 nV LOSS OF INSTRUMENT AIR 1.0 ENTRY CONDITIONS JEIAPR5SSis590psig.
L THEN use this procedure.
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2.0 IMMEDIATE ACTIONS NOTE i
There are no immediate actions for this procedure.
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Approved by MNPO S/
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9812070113 901124 PDR ADOCK-05000302 F
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9 AP-470 REV 09 (MC)
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2.0 FOLLOW UP ACTIONS
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ACTIONS DETA]LS
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3.1 Ensure in-house air SAP-1A compressors are running.
SAP-1B IAP-1A IAP-1B 3.2 Notify personnel of plant e
STA conditions.
Plant operators e
NSM HP (notify of degraded IA e
conditions as a 3recaution for personnel using ]reathing air)
(O e
Announce on PA " Terminate all
)
use of station air"
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.'3.0 FOLLOW UP ACTIONS (CONT *D)
ACTIONS DETAILS O
3.3 Notify SP0 to start berm air compressors.
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SAP-10 SAP-1E 3.4 E at any time. DHR is in 1
E A DHR Train is in service, service.
THEN notify PP0 to manually AND IA PRESS < 80 psig, throttle the following valves THEN establish manual (75 ft AB A DH Room):
control of DHR cooling.
AND GO TO Step 3.27 in
_ _ DCV-17 "A DH Cooler Bypass this procedure Control" DCV-177 "A DH Cooler Outlet Control" 2
E B DHR Train is in service.
(N THEN notify PPO to manually
()
throttle the following valves (75 ft AB B DH Room):
DCV-18 "B DH' Cooler Bypass Control DCV-178 "B DH Cooler Outlet Control" 3
GO TO Step 3.27 in this procedure.
3.5 E at any time. IA PRESS 1
Depress Rx trip push button is < 80 psig.
AND any abnormal system 2
CONCURRENTLY PERFORM E0P-2.
operation exists.
Vital System Status THEN trip Rx and Verification, beginning with GO TO Step 3.11 in this Step 2.1 procedure.
3 GO TO Step 3.11 in this procedure.
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Applicable carry-over steps:
3.4 E DHR is in service AND IA PRESS < 80 psig.
3.5 E IA PRESS is < 80 psig AND abnormal system operation exists.
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- 3.0 FOLLOW UP ACTIONS (CONT'D) e ACTIONS DETAILS j
O 3.6 JF at any time. IA PRESS l
1s > 90 psig.
l THEN EXIT this procedure.
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3.7 Bypass IA dryers.
e Notify SP0 to open IAV-31 "IADR-1 &
IADR-2 Bypass Iso" (95 ft TB behind IADR-1).
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3.8 Place both IA dryer e Notify SPD to ensure all the prefilters and following valves are open afterfilters in service.
(95 ft TB by IADR-1):
IAV-11 "Prefilter IAFL-2A Inlet Iso" IAV-12 "Prefilter IAFL-2B Inlet '
j Iso" IAV-14 "Prefilter IAFL-2B Outlet Iso" l
IAV-544 "Prefilter IAFL-2A Outlet Iso" IAV-18 "Afterfilter IAFL-3B Inlet Iso" IAV-545 "Afterfilter IAFL-3A Inlet Iso" IAV-19'"Afterfilter IAFL-3A Outlet Iso" IAV-20 "Afterfilter IAFL-3B p
Outlet Iso" l
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Applicable carry-over steps:
3.4 E DHR is in service AND IA PRESS < 80 psig.
3.5 E IA PRESS is < 80 psig AND abnormal system operation exists.
3.6 E IA PRESS is > 90 psig THEN. EXIT this procedure.
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3'0 FOLLOW-UP ACTIONS (CONT'D)
ACTIONS DETAILS i
O 3.9 Jf IA PRESS does NOT e Nctify available personnel to j
recover.
isolate individual air sup)1y root THEN inspect IA'and SA valves on loop header,s wit 1 leaks:
loops for leaks.
TB Loop 119 ft TB Loop 95 ft j
i AB Loop 95 ft l
i 3.10 WHEN IA PRESS is
> 90 psig, i
THEN EXIT this prccedure.
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3.0 FOLLOW UP ACTIONS-(CONT'D) j l
l ACTIONS DETAILS O
l STATUS 1
The following conditions. exists:
I e Rx is tripped e IA PRESS is s 80'psig and any abnormal system operation exists l
i 3.11 Initiate EFIC.
1 Depress "EFW INITIATE" push j
buttons on EFIC channels A l
and B.
2 Ensure EFWPs start and control flow:
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EFP-1 EFP-2
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[ Rule 3. EFW Control]
3 Ensure level in available OTSGs is at or trending toward required level..
See Table 1 t
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? 3.0 FOLLOW UP ACTIONS (CONT'Dl-ACTIONS DETAILS O
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-3.12 Initiate MSLI and MFLI.
1 Depress " MAIN STM ISOLATION" push buttons on EFIC channels A and B for both OTSGs.
2 Depress " MAIN FEED ISOLATION" i
push buttons on EFIC channels A and B for both OTSGs.
3 Select' MBVs to
- MAN" and select all FW isolation valves to "CLOSE":
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LLBV FWV-31 FWV-32
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MBV toggle
" MAN"
" MAN" l
MBV FWV-30 FWV-29 SUBV FWV-36 FWV-33 e
Cross-tie FWV-28 i
O Suction FWV-14 FWV-15 4 Ensure both MFWPs are tripped:
l A OTSG B OTSG FWP-2A FWP-2B 5 Ensure all MSIVs closed:
MSV-412 MSV-413 MSV-411 MSV-414 i
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/ 3.0 FOLLOW UP ACTIONS (CONT'D) 1 l
ACTIONS DETAILS O
3.13 Align backup air supply to e Notify SP0 to open IAV-676 "ADV ADVs.
Backup Air Supply Iso" (119 ft TB behind FWHE-38).
i 3.14 Isolate letdown.
1 Close MUV-49 2
E MUV-49 will NOT close.
THEN close MUV-567 l
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3.15 Isolate normal makeup.
1 Maintain PZR level > 80 in with
'l MUV-24 2
Close MUV-27 l
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3.16
_ Maintain MUT level e Cycle appropriate BWST to MUP valve a 55-in.
to raise MUT level.
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MUV-73 j
HUV-58 i
i 3.17 E at any time. RCP CB0 is lost.
RCP-1A THEN trip all RCPs.
RCP-1C l
RCP-1B l
RCP-1D j
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Applicable carry-over steps:
3.17 Jf RCP CB0 is lost. THEN trip all RCPs.
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3.0 FOLLOW-UP ACTIONS (CONT'D)
ACTIONS DETAILS
,e')
LJ 3.18 IF at any time SW low TTow for an RCP is RCP-1A indicated by either of the following:
RCP-1C "PP SEAL & WTR FLOW" RCP-1B lamp extinguished on RCP control switch RCP-1D "RC PUMP CLG WTR FLOW LOW" annunciator alarm is illuminated THEN trip affected RCP.
3.19 JE at any time, all RCPs e
Ensure level in available OTSGs are tripped.
is at or trending toward Nat THEN establish Nat Circ.
Circ level.
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[ Rule 3. EFW Control]
e Monitor all 4 Tcolds for Nat Circ indications.
e Indications of Nat Circ:
Thot tracking Tincore Tcold tracking OTSG Tsat AT (Thot - Tcold) stable or lowering i
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Applicable carr.y-over steps:
3.17 E RCP CB0 is lost. THEN trip all RCPs.
3.18 E SW low flow on any RCP. THEN trip affected RCP.
3.19 E all RCPs are tripped. THEN establish Nat Circ.
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' 3.0 FOLLOW UP ACTIONS (CONT *D)
ACTIONS DETAILS
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3.20 Reduce RCP seal injection e Notify PPO to perform the following to a 3 gpm per pump.
in order (95 ft AB NU valve alley):
Open MUV-34 " Seal Injection Control Bypass Outlet Iso" l
Open MUV-35 " Seal Injection Control Bypass Inlet Iso".
t Throttle MUV-17 " Seal Injection Control Bypass" Close MUV-14 " Seal Injection Control Inlet Iso" 3.21 Control RCS TEMP using ADVs.
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.REV 09 (MC)
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Applicable carry-over steps:
3.17 E RCP CB0 is lost, THEN trip all RCPs.
3.18 LF SW low flow on any RCP. THEN trip affected RCP.
3.19 E all RCPs are tripped. THEN establish Nat Circ.
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' 3.0 FOLLOW-UP ACTIONS (CONT *D) i ACTIONS OFTAILS l
O 3.22.
Ensure emergency RB 1.At least 1 Emergency SW Pump i
cooling is in service.
running:
[ Rule 5. EDG Control]
SWP-1A i
SWP-1B 2 At least 1 Emergency SW Raw Water Pump running:
RWP-2A l
RWP-2B 3 Proper RB cooling unit operation:
l E ES has NOT actuated.
THEN ensure both ES selected RB cooling units running in slow speed.
E ES has actuated.
THEN ensure only 1 ES selected RB cooling unit running in slow speed.
j 4 CI valves to RB cooling units i
closed:
SWV-151 SWV-152 SWV-355 5 SW valves to RB cooling units open:
SWV-353 l
SWV-354 i
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Applicable carry-over steps:
3.17 IF RCP CB0 is lost. THEN trip all RCPs.
3.18
_ SW low flow on any RCP THEN trip affected RCP.
3.19 IE all RCPs are tripped. THEN establish Nat Circ.
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- 3.0 FOLLOW UP ACTIONS (CONT'D)
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N ACTIONS DETAILS f
i 3.23 lE at any time. PZR level e
Control cooldown using ADVs.
l 1s > 250 in.
l THEN control PZR level by e
CONCURRENTLY PERFORM E0P-14.
starting an RCS cooldown. 5. E0P Temperature Log.
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i 3.24 Break condenser vacuum.
1 Select condenser ARPs to
" PULL TO LOCK":
ARP-1A ARP-1B 2 Open condenser vacuum Bkrs.
j ARV-48 ARV-49 i
O 3.25 Ensure WG compressors are o Notify PP0 to select WG compressors stopped.
to " PULL TO LOCK" (WDCP-3 Radwaste Control Panel):
j WDP-1A WDP-1B 3.26 Isolate GW to AS e Notify SP0 to close ASV-53 "GS desuperheater.
DESUPERHEATER OUTLET 150" (119 ft TB at AS Hdr)..
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Applicable carry-over steps:
3.17 E RCP CB0 is lost. THEN trip all RCPs.
3.18 E SW low flow on any RCP THEN trip affected RCP.
3.19 E all RCPs are tripped. THEN establish Nat Circ.
3.23 E PZR level is > 250 in. THEN control PZR level.
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~ _ - _ - _ _. _ _ _ _ _... _.
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- 3.0 FOLLOW UP ACTIONS'(CONT'D)
ACTIONS DETAILS L
O.
l-3.27 E at any time. IA valves fail.
THEN select failed valves L
to their failed position.
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See OP-411. Instrument and-Station Air. Enclosure 4.
Loss of IA Equipment Failure Modes j
1
- 3. 28 _.
at ny time. SC cooling-SAP-1A SAP-1B THEN stop SC cooled IAP-1A IAP-1B l'
components.
FWP-2A FWP-2B l
i FWP-1A FWP-1B CDP-1A CDP-1B
'v ARP-2A ARP-2B
]
3.29 E at any time. IA PRESS I
is > 90 psig.
THEN GO TO OP-411.
Instrument and Station Air l l.
System. Section 4.8.
' Restoration From AP-470 3.30-Bypass IA dryers.
e Notify SP0 to open IAV-31 "IADR-1 &
IADR-2 Bypass Iso" (95-ft TB behind l
IADR-1).
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-AP-470 REV 09 (MC)
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L ta.
Applicable carry-over steps:
3.17 E RCP CB0 is lost, THEN trip all RCPs.
3.18 E SW low flow on any RCP. THEN trip affected RCP.
3.19 E all RCPs are tripped. THEN establish Nat Circ.
3.23 E PZR level is > 250 in. THEN control PZR level.
3.27 E IA valves fail. THEN select failed valves to.
3.28 E SC cooling is lost. THEN stop SC cooled components.
3.29 E IA PRESS is > 90 psig. THEN GO TO OP-411.
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-- 3.0 FOLLOW-UP ACTIONS (CONT *D) l t
ACTIONS DETAll.S i
3,31 Place both IA dryer e Notify SP0 to ensure the following prefilters and are open (95 ft TB by IADR-1):
j u
afterfilters in service.
IAV-11 "Prefilter IAFL-2A Inlet i
Iso" l
IAV-12 "Prefilter IAFL-2B Inlet Iso"
)
IAV-14 "Prefilter IAFL-2B Outlet l-Iso" l
IAV-544 "Prefilter IAFL-2A l
Outlet Iso" i
IAV-18 "Afterfilter IAFL-3B Inlet Iso" IAV-545 "Afterfilter IAFL-3A Inlet Iso" IAV-19 "Afterfilter IAFL-3A l
Outlet Iso" t
IAV-20 "Afterfilter IAFL-3B i
Outlet Iso" i
3.32 IE IA PRESS does NOT e Notify available personnel to
- recover, isolate individual air sup)1y root THEN inspect IA and SA valves on loop headers wit 1 leaks:
loops for leaks.
TB Loop 119 ft TB Loop 95 ft AB Loop 95 ft I
3.33 WHEN IA' PRESS is
> 90 psig.
THEN GO TO OP-411.
Instrument and Station Air i
i.
System. Section 4.8.
)
,_s Restoration From AP-470
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'1 "LLL"
> 20 in
= 1 RCP running with i
adequate SCM j
Table 1:
"NAT CIRC"
> 70%
No RCPs running with 1
Required 0TSG levels adequate SCM j
"ISCM"
> 90%
Inadequate SCM 2
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