ML20247A932
| ML20247A932 | |
| Person / Time | |
|---|---|
| Site: | Crystal River  |
| Issue date: | 06/29/1989 |
| From: | Marshall W FLORIDA POWER CORP. |
| To: | |
| References | |
| EP-220, NUDOCS 8907210362 | |
| Download: ML20247A932 (15) | |
Text
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DOCUMENT TRANSMITTAL FORM 11829 l
I FOR DOCUMENTS TRAN!MITTED T0 DC DESK (NRC)*
DATE: 30 JUN 1989 l
BATCH:
8906 j
1 DOCUMENT NUMBER SHEET NUMBER REVISION NUMBER COPY NUMBER l
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l EP 220 05 25 i
l INSTRUCTIONS TO THE ADDRESSEE l
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l COMPLETE EACH OF THE INSTRUCTIONS BELOW WHICH ARE MARKED WITH AN " X" l
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V (1) VERIFY THE DOCUMENTS RECEIVED AGREE WITH THE ABOVE DESCRIPTION i
l (2) INCORPORATE THE TR ANSMITTED DOCUMENTS INTO YOUR FILES l
(3) DESTROY DOCUMENTS OR PORTIONS OF DOCUMENTS SUPERSEDED BY THE ABOVE (4) SIGN AND DATE IN THE SPACES BELOW INDICATING THAT YOU COMPLETED THESE INSTRUCTIONS.
(S) SIGN BELOW INDICATING THAT YOU HAVE RE AD AND UNDERSTOOD THE l
CHANGES AS IDENTIFIED
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qp_ (6) RETURN TO DOCUMENT CONTROL, CRYSTAL RIVER UNIT 3, MAC#
NAIC___
l NR2A b FLA. P OWER CORP.,
P. O.
BOX 219 CRYSTAL RIVER FLA.
32629 i
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SIGNATURE OF ADDRESSEE DATE i
INDEPENDENT VERIFICATION DATE (OPS) l l
h0k no 1
8907210362 890629 i
DR f
p ADOCK 05000302 PNU
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. PTS REV 5 DATE 09-01-88 EP-220 1
i PRESSURIZED THERMAL $ HOCK g
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Document section l.0 ENTRY CONDITIONS l@
NFdRMAT50N ONL l'
C. R. Nuclear
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.j H9_12 E HPI is flowing, MD no RCPs are operating, M use Incore Temps, E HQI, M use Tc.
'i E an_y of. the following conditions exists:
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o RCS TEMP is < 500*F, A,_N_Q STS cooldown rate l'mits O
are exceeded:
RCS TEMP LIMIT
> 270*F s 100*F/hr
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. 270 to 171*F s 50*F/hr l
' < 170*F
< 10*F/hr l
u o RCS TEMP is < 500*F, AND HPI flow exists,
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AND RCPs are NOT operating, 1
IHEN use this procedure.
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l This Procedure Addresses Safety Related Components Approved by NOS h, W Date 6 -J7-F7
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l REV 5 PAGE 2 of 15 PTS EP-220 i
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1 2.0 IMMEDIATE ACTIONS I
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ACTIONS DETAILS i
Note d
There are no Imraediate Actions in this procedu're.
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EP-220 REV 5 PAGE 3 of 15 PTS c__-----.
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-l Table 1: -STS.Cooldown Rates RCS 1EMP LIMITL
> 270*F 1.100*F/hr 270 to'171*F s.50*F/hr 1 170*F
's' 10* F/hr. -
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1 3.0 F0LLOW-UP ACTIONS l
i ACTIONS DETAILS 3.1-
-NotifySbTAofplant conditions, d
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j 3.2 CONCURRENTLY PERFORM
.i VP-580, Plant Safety Verification Procedure, beginning with Step 1.1.
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3.3 JE 4 RCPs are operating, Maintain'RCP-1B operating for
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IN.,1N stop l'RCP, maximum PZR spray.
l AND ensure its oil lift pump Auto starts, 1
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.]3 Table 1:
STS Cooldown Rates RCS TEMP LIMIT O
> 270*F 5 100'F/hr 270 to 171*F -S 50'F/hr 5 170*F s 10*F/hr, I
Table 2: Adequate Subcooling Margin RCS PRESS-MARGIN i
> 1500 psig 1 20*F 1 1500 psig 2 50*F
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I EP-220 REV 5 PAGE 6 of 15 PTS i
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j 3.0 FOLLOW-UP ACTIONS (CONT'D)
ACTIONS DETAILS CAUTION j
E RCPs have HQI been stopped within 2 min from time that adequate.
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i subcooling margin was lost, THEN RCPs must remain running to prevent core damage.
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3.4 H, at any time while See Table 2 for adequate performing this procedure, subcooling margins.
adequate subcooling margin does EQI exist, IliM:
1 Stop all RCPs, Stop all RCPs and ensure Oil Lift pumps start.
CONCURRENTLY PERFORM AP-380 ES Actuation, beginning with Step 3.4, Raise OTSG 1evels to Raise OTSG level to 95%:
1 95% using EFW,
- 1. Depress both "EFW
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INITIATE" pushb'uttons on Channels A and B.
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- 2. Depress "95%" level select pushbuttons on OTSG A and B.
Start full HPI.
Start full HPI:
I Open MVP suction
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valves from BWST:
o MUV-SB o MUV-73.
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2 Ensure 1 2 MVPs and l
their cooling water pumps are operating.
-S l
- 3. Open all 4 HPI valves:
t MUV-23 NUV-24 l
MUV-25 MUV-26.
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Table.1: 'STS Cooldown Rates
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- .' f RCS TEMP LIMIT
- l A
' > 270*F:
s 100*F/hr 270 to 171*F s 50*F/hr' s 170*F 5 10*F/hr.'
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Table 2: ' Adequate Subcooling Margin
.1 RCS PRESS
. MARGIN
> 1500 psig.
1 20*F s 1500 psig 2:50*F
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3.4 1.E adequate subcooling margin does HQI exist, I
ItLB:
o Within 2 min, stop' all RCPs, J
.o.
CONCURRENTLY PERFORM AP-380, ES Actuation,
. O/
beginning with Step 3.4, i
o Raise OTSG levels to 95% using EFW, o
Start full HPI.
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EP-220 REV 5 PAGE 8 of 15 PTS j
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3.0 FOLLOW-UP ACTIONS (C0KT'D)
LCTIONS DETAILS
--,-=:,.
e H91%
Incore TEMPS may be read off the SPDS display or the Avg of
'l the 5 highest.incores. Computer Group 60 is incore TEMPS.
3.5 E SPDS is available, ItiEH r, elect PTS curve, with correct RCS TEMP indication.
E SPDS is HQI available, IliEH see Enclosure I for PTS curve.
Ugtg PTS limits have priority over fuel pin in compression limits.
Note
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,i Prevent any significant heatup or repressurization once adequate subcooling margin is restored.
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3.6 E RCS PRESS is above the u
PTS operating region, l
THEN lower and maintain o Lower RCS PRESS using PZR j
RCS PRESS to within the spray.
q PTS operating region.
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o E PZR spray is NOT.available,
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THEN use PORV.
o HPI must be th'rottled to i
1 maintain subcooling margin
<100*F when no RCPs are l
operating.
l EP-220 REV 5 PAGE 9 of 15 PTS 1
t
,l Table 1: ~ STS Cooldown Rates RCS TEMP LIMIT
> 270*F.
s'100*F/hr 270 to:171*F s 50*F/hr' s 170'F:
1.10*F/hr.
Table 2: Adequate Subcooling Margin'
-RCS PRESS
. MARGIN
> 1500 psig 1 20*F s 1500 psig 1 50*F 3.4
.LE adequate subcooling margin does NOT exist, JHEN:
o Within 2 min, stop all RCPs, o
CONCURRENTLY PERFORM AP-380, ES Actuation, beginning with Step 3.4,
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o Raise OTSG levels to 95% using EFW, o
Start full HPI.
1 Note PTS limits have priority.over fuel pin'in compression limits.
3.
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!!21.t PTS limits reinain in effect for the remainder of the' cooldown.
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Note Prevent any significant heatup or repressurization once ' adequate i
subcooling margin is restored.
O EP-220 REV 5 PAGE 10 of 15 PTS i
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l 3.0 FOLLOW-UP ACTIONS (CONT'D) 1
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j) j ACTIONS DETAILS l
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Il9.1.ft RCS cooldown should be given priority over the 3 hr h'old in PTS
'f region for casualties such as OTSG tube leak, LOCA, or major i
equipment failures.
q 3.7 E STS cooldown rate limits Stop 'coldown by:
were exceeded, l
i BlQ plant conditions allow o
Throttle TBVs, cooldown to be stopped, J
J11 Ell:
o Throttle ADVs, l
1 Stop cooldown, o
E adequate subcooling margin exists, 2
Maintain RCS PRESS and
.THf!!:
TEMP within PTS operating i
region for > 3 hrs, Open MUV-53, MVP recirc, 3
GO TO Step 3.10 Open MUV-257, MVP recirc, in this procedure.
~ Throttle HPI flow.
o Throttle EFW.
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I 3.8 H plant conditions do o Lower cooldown rate:
NOT allow cooldown to be I
I
- stopped, o Throttle TBVs or ADVs, THEN lower cooldown rate j
to 1 STS limits.
o E adequate subcooling margin exists, 111Q1:
Open MVV-53, MVP recirc, Open MUV-257, MVP recire, Throttle HPI flow.
o Throttle ZFW.
1 o Refer to OP-209, Plant Cooldown.
O EP-220 REV 5 PAGE 11 of 15 PTS
.l Table 1: STS Cooldown Rates RCS TEhe LIMIT
<-')
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> 270*F 1 100*F/hr 270 to 171*F s 50*F/hr s 170*F s 10*F/hr.
Table 2: Adequate Subcooling Margin RCS PRESS MARGIN i
> 1500 psig 2 20*F
$ 1500 psig 2 50*F 3.4 IE adequate subcooling margin does NOT exist, THEN:
o Within 2 min, stop all RCPs, o
CONCURRENTLY PERFORM AP-380, ES Actuation,
(
)
beginning with Step 3.4, s- /
o Raise OTSG levels to 95% using EFW, o
Start full HPI.
Note PTS limits have priority over fuel pin in compression limits.
Notg PTS limits remain in effect for the remainder of the cooldown.
Note Prevent any significant heatup or repressurization once adequate subcooling margin is restored.
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EP-220 REV 5 PAGE 12 of 15 PTS
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3.0 FOLLOW-UP ACTIONS (CONT'D)
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l ACTIONS DETAILS
.1 3.9 Maintain RCS PRESS within Monitor SPDS PTS curve;
-l the PTS operating i
region.
LE SPDS is MQI av,ailable,
,J IBM see Enclosure 1 for PTS curve.
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3.10 Notify SS0D to ensure that -
a engineering evaluation is performed.
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PTS l
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EP-220 REV 5 PAGE 14 of 15 PTS
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l PRESS and TEMP Operating Region for PTS 2600 l
il ADEQUATE SUBC00 LING MARGIN 2200
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NDT LIMIT 1800 I
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1600 E
T Y
Y 1400
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g 1200 7
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E O 1000
^
PTS -
C:'EHATING ON 800
/ SATURATION CURVE 600
/
i 400 g
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100 300 500 700 j
1E HPI is flowing, 1
l e@ no RCPs are operating I!!@ use incore TEMPS.
IE NOT, THEN use Tc.
O EP-220 REV 5 PAGE 15 of 15 PTS
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