ML20135H797

Rev 1 to Procedure E.07 Re Operator Action

ML20135H797
Person / Time
Site:	Rancho Seco
Issue date:	05/29/1985
From:	SACRAMENTO MUNICIPAL UTILITY DISTRICT
To:
Shared Package
ML20135H794	List: ML20135H793 ML20135H797 ML20135H800 ML20135H803 ML20135H807 ML20135H809 ML20135H812
References
E.07, E.7, TAC-57558, NUDOCS 8509240240
Download: ML20135H797 (20)

Text

..

05-29-85 Rev.' l~

.[

WP0006F D-0063P E 07

'ICC Operator Action

...........................................~........................

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3 CAUTION l

On SFAS actuation AFW Bypass Valves SFV-20577.(A OTSG)'and' 1

SFV-20578 (B OTSG) open.

These. valves have NO level control:

• signals.

Will require' throttling or_ shutting.-

(Rule 3 and 4) 1-+

NOTE Breakers 52-A2101 and 52-B2101 must be closed to operate high-a' 1

point vents. HV-21528, HV-21522. HV-20533. HV-20579, HV-20534 -

'r and HV-20580.

-23 1.

-Initiate HPI and 1.

Initiate HPI and LPI..

(Rule 1, 2 &.5) --

• I-LPI.

~

.1 At panel H1RC, actuate SFAS channels lA and B, 2A and B.

.2 Max allowable flow through HPI pump is 525,gpa.

.3 E LPI is delivering flow, ensure maximum flow, not to exceed (3,000 gpa per pump) as read on H2SFA and H2SFB.

LPI injection flow A and.LPI injection flow B.

t b

8509240240 850919 PDR ADOCK 05000312 P

PDR

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Rev. 1 E.07-1 r

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ICC 2.

Increase OTSG 1evel 2.

Increase'OTSG level to 95% on the P

(

to 95% on, Operating Range.

j the'Op Range.

1

i. >.

s '

i j.

.1 Start / verify start AFW Pp.P-319 t

at HISS.-

j m

- + -

.0 Take;manualicontrol:of{AFW g

,;e

control.valvestat ElRC and. raise

'm level to:.95%-on Op Range.'. Rapid:

contro11ed' manner..

t u

<c VeifyAFWflowonPanelH2Ph'for

.3 OTSG A and OTSG B.

4

.4 Place AFW Pump-P-318 on electric' i

power.'

.1 LShut SFV-30801 AFW Pump Steam ~

Inlet on H2SFB.

.2 2At HISS,2 push close button for SFV-30801.

.3 -At; HISS. bypass the AFW Pump j.

Diesel output breaker

-interlock, If Diesel

~

Generator is supplying the bus.

.4 Start P-318 motor.on HISS.

h 3.

Lower OTSG pressure 3.

Lower OTSG pressure to induce' heat

,c

-to induce heat transfer.

transfer.

.1 At H1RI open TBVs in manua1, 1 ' Lower OTSG Tsat lowering;OTSG pressure to decreasexv'.

90-110*F'below

'OTSG Tsat 90-110*F below T at

?

s Tsat for RCS for RCS pressure.

If,TBVs are pressure unavailable, use ADVs until TBVs

.and hold this are available.. Tsat cain be read. ; r.---

temperatur~e.

on:SPDS Post Trip Purple Ver.tical L

Line OR use OTSG prescure on HlRI j

or SPDS. and use steam tables, i;

g.

t 14

.2 When heat

.2 When heat' transfer is required 7

transfer is establish highest cooldown rate required possible not to exceed 100*F/hr.

establish I

highest cool-i down rate possible not to exceed 100*F/hr.

i 8

Rev. 1

- r t

E.07-2

~

L-

7_

• e.

E.07 ICC r

3.

.3 Maintain level at 95% on Op Range.

1+

.4 If RCS pressure increases to EMOV setpoint (2450) open EMOV. -Close EMOV when RCS. pressure decreases to4100 PSI above 0TSG pressure.

~ 4.- EnsureICore Flood 4.

. Ensure # Core > Flood Tankiisolation... uu:

i' Tank isolation _

valves 3(HV-26513 and-HV-26514).are f-valves (EV-26513 open. -l Indications at H2SFA and H2SFB.-

i and EV-26514) are open.

'5.

Take action based 5.

Take action based on'SPDS ICC' display i

on SPDS ICC display or Figure 2.

i or Figure 2.

4 Region Action

.1 Average of the five incore T/c_

1 Go to temperatures.

CP.103

'2 Continue Preferred Alternate Step 1.0-

-T-9254 T-9256 e

1+*

5.0 above T-9258 T-9260 1

3 Go to T-9263 T-9252

(

Step 6 T-9272 T-9266 i

4 Go to T-9286 T-9270 Step 13

.2 SPDS Normal or Post Trip Display with incore button OR ICC Display.

(Question mark following value means it's a questionable reading.)

.2 Determine which r'egion of Figure 2 or ICC Display ~on SPDS that the RCS is in basedoon steps

.1.

.3 Using the' region determined in Step 5.2.

take action a' cording c

to the following Table.

Incores Read Region Action Saturated 1

Go to CP.103 Superheated 2

Continue J' l Step 1.0 -

!)

-l++

5.0 above, T Clad >1400*F 3

Go to' Step 6 T Clad >1800*F 4

Go to Step 13 Rev. 1 E.07-3 t

f 9

[

~

~

E L

i E.07

-(

f ICC s

t INCORE T/C TEMPERATURE IS'IN REGION 3 T~

s.

6.

~ Start ONE RCP per:

6.

Start.ONE RCP.per, loop..

'i6?

. '270,

i'

'l s

g

- m; loop;.

.1DO'NOTooverride.RCP interlocks.~

RCP, interlocks are: -I : ; i j:

t

.1:030. Percent -Rx Power.:

l:

.2.I RCP, motorf oililif t ;>l17hio psig.

s

.3 jRCP motor upper bearing l oil.

~

1 l

clevel; 2 inches.

.4

.RCP motor lower bearingLoil.

~

clevel't.2 inches: 9' i

.5 Seal injection flow'> 3 gpm

.6..'RCP Pump / Motor.CCW flow > 307

> gpm i

.7< To start fourth-RCP-Tc > 500*F

.8 ;-Motor' 86 Lockout (Motor.

. Protection Relay)'.

Normal -' Green Light: Dim 4

. Abnormal - Green Light Bright 7.

Lower OTSG pressure 7.

Lower OTSG pressure'to induce: heat '

Fi2? r 4

'~-

to. induce heat.

transfer.

10

, transfer.

~-- :(.: r

":t

.1 Depressuri::e

.1 At ElRI, open TBVs in manual, OTSG to 400 lowering OTSG pressure to 400 psig.

psig OR_ lower or'as low as needed to achieve a 1.F,_ necessary 100*F decrease in OTSG'Tsat to achieve a (decrease pressure capidly).' IF, 3

m 100*F decrease TBVs are unavailable,'use ADVs ac: '

in OTSG Tsat.

until TBVs are available.

Tsat j

can be read on SPDS Post Trip Purple Vertical Line OR use OTSG i

l pressure'on ElRI or'SPDS and use steam tables.

j

.2 Maintain OTSG level at 95% on'Op i

Range.

8.

Open all 8.

Open all high point vent valves.

high point vent e

valves.

.1 At H2SP open HV-20533 HV-20534, 1*

HV-20579, HV -20580.

i e,

Rev. 1 E.07-4 O

t t

E.07 ICC

(

, NOTE Guidelines for when the high point vents may be shut.-

1.

When core cooling in decay heat mode is established OR, 2.

When on natural circulation the RCS temperature is < 212*F,la..

'L then close high point vents.

~

Je' f

-.-y

[

9.

IP incore T/cs 9.

IF incore T/cs increase to region ; i' ;a ; -

[

increase to region 4,

go to Step.13.

Continue.-s a cr p r -

i 4

f 4, go to Step 13.

, '

• T r 4.'E F

)

Continue.

~ '

ni'r' 10..WHEN incore T/c

10. WHEN incore T/c returns to the i:. el; -

w:t

{

returns to the saturation temperature for the

- : 'a r m saturation tempera-existing RCS pressure, THEN continue n 6tc' ture for the exist-with Step 11.

~,;

ing RCS pressure,

. ' JiC i

THEN continue with

.1 Allow RCS to depressurize until'Tl ':

l i

Step 11.

HPI/LPI/CFT return incore T/c to 'D 1 i

saturation temperatures.

11. IF Primary to

11. JP_ Primary to Secondary Heat Tran'sf er.

.s-Secondary Heat is NOT established. THEN open the. > N i.. y e

Transfer is NOT EMOV and go to CP.104.

Otherwise. 'J AT.d : ;

established, THEN continue.

at.

I' open the EHOV and 7 - 1 _.'

>8 go to CP.lO4.

.1 Indications of Heat Transfer. M 1 Otherwise continue.

.1 Incore Temp within 10*F of.;'.r-Th

.2 Max expected RCS AT of 50*

to 60*F.

.3 T approx equal Tgat OTSG.

e

.4 Lowering OTSG Pressure causes corresponding decrease in TC.

NOTE Guidelines for closing the CFT l'olation valves.

s 1.

JF the RCS subcooled margin is established, the i

t depressurization is being controlled, and the RCS pressure 3-is below 700 psig, close the CFT isolation valve.

OR 2.

On low level in CFTs, close the CFT isolation valves.

r i:

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< \\

(

Rev. 1 E.07-5

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).:

il 11 P '

E.07

[

ICC

12. IF Primary to_

12. IF Primary to Secondary Heat Transfer 3

Secondary Heat IS established. THEN go to CP.103. S Transfer IS esta-

~ -

-^ -

-~'blished,!THEN go

.1, -Indication'of' Heat Transfer.

I K~

to CP.103.

.1

.IncoreLTemp.within 10*F of

• }

4.; Th-

.2? Maxf. expected RCS AT of150' a

to'60*F.

4

.3.:: Tc" approx equal' T at OTSG.

S

.4 l Lowering OTSG Pressure ~causes s

'. corresponding _ decrease in Tc.

.2 Maintain Primary System. pressure

,j 25-50 psig greater than OTSG.

j pressure by:

.1-Cycling ~the pressurizer vent

!l

.1+*

valves HV-20528 and.HV-21522

+

E--FIRST CHOICE-- on Panel

'H2SP.

.2' Cycling-the EMOV-- SECOND CHOICE-.

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e h

4 9

Rev. 1 E.07-6 t

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E.07 ICC

(

INCORE T/C TEMPERATURE IS IN REGION 4.

I:~

~

~

'13.

Start ALL RCPs.

13. Start ALL RCPs.

'A.

UM <

.1 Bypass : interlocks,-if; necessary by.

F, manuallyfclosing'the' breakers;in

{

.theiWest4160V Switchgear; Room.,

i

t

+

- ' ~ -

.2 DO'NOTidefeatioverloaditripf '

circuit..

i ~

.3 RCl Pump interlocks:-

f

<~30% Rx power RCP' motor. oil: lift >'1750 psig RCP, Motor. upper bearing oil level j

2 inches' RCP Motor-lower bearing oil level.

l 2-inches i

Seal injection flow'> 3 gpm RCP: Pump / Motor CCW flow > 307 gpm To. start-fourth RCP Tc > 500*F Motor 86l. Lockout (Protection j

Relay)

(

Normal - Green Light Dim Abnormal

. Green Light Bright

.4 Allow starting current on RCP to return to normal before starting the next RCP.

14. Lower OTSG pressure

14. Lower OTSG pressure to inducelheat-c:-

to induce heat transfer.

transfer.

.1 Jf_ Aux Boiler

.1 At.HIRI'open TBVsLin manual, and. 4 is operating, lower OTSG pressure as quickly as_

THEN decrease possible to' atmospheric pressure OTSG to atmos-IF.the-Aux Boiler-is operating, c.

pheric pressure IF:the: Aux: Boiler IS NOT r-4 operating, lower OTSG pressure to

.2 IF Aux Boiler 100 psig.

IF,.TBVs are not IS NOT operat-available, use ADVs until TBVs il ing, THEN are available.

I decrease OTSG pressure to

.2 Maintain OTSG level at 95% on 100 psig.

the Operating Range.

-(

Rev. 1 E.07-7 5

i

i E.07 ICC

_. - - _ ~

15. Depressurize the

15. Depressurize the RCS, open all high t

RCS, open all high point vents and EMOV.

Il point vents j!

and EMOV.

.1

At Panel H2SP, open 4-

j

.1 Hot Leg Vent Valves b

.2 HV-20534

[.

.1-HV-20S33 14 -

.3' HV-20579 f

r - (. o :

ing RCS pressure, i

THEN continue with Indications

^' ' t' Step 17.

.1 Average of the five incore T/c temperatures.

Preferred Alternate T-9254 T-9256 T-9258 T-9260 T-9263 T-9252 T-9272 T-9266

-T-9286 T-9270

.2 SPDS Normal or Post Trip Display with incore button OR ICC Display.

(Question mark following value means it's a questionable reading.)

i

!s' b

Rev. 1 l

E.07-8 r

i f

f 1

'~

i E.07 ICC COOLDOWN FOLLOWING ICC (INCoaE TEMPERATURES HAVE BEEN IN REGION 4, NOW SATURATED)'%

~ i-i-

17., Decrease running..

117. Decreaseirunning RCPs:t'otone periloop. -

g!

.RCPs.to<one per

. ;1c

c...

loop.

s.

.,m e,c r

1'

- 18.TMaintain AFW flow.".

118. iMaintaini AFW flow.;.

b- - Aas. 7 : i:.l!'

2

g' o.

.1-Maintain.95% on Op Range (SPDS.-

H2PS).1 j

.2

. Verify?AFW. flow on.H2PS.-

~

19. Continue this mode

19. Continue.this mode.until EITHER,

f..

it. r_

.until.EITHER n; i

~

j i

. 1 Lo-Lo level

.1 Lo-Lo-LevelIalarm on BWST,-Window h -Tg 9

. alarm on BWST, 29 on-H2SFB.' Verify level with ale,-

Window 29 on LI-25001 on H2SFB~THEN go to' Step A V H2SFB.. Verify 27.

. ;-JJ

)

. level with

. +d.

L.

4

?!c LI-25001'on l

H2SFB,lTHEN go

'Fi t"

to Step 27.

', 2 t. 2 -.

OR OR

.2 LPI flow is

.2 LPI~ flow in 1,000 gpm per train greater than for at least 20 minutes as read 1,000 gpm per on-H2SFA and H2SFB..THEN go to e

train for at Step 20.

least 20 minutes, THEN go to Step 20.

6 20.. Isolate the CFT.

20. Isolate.the CFT.when LPI flow.h.

increases to a 1,000'gpm per.. train.

.1 Rack in breakers 2D228 and 2D229 forICFT outlet isolation valve HV-26513 and HV-26514.

J

,\\

~

.2 WHEN LPI flow has increased to kl l,000 gpm per train, THEN close

{'

4 CFT isolation valve HV-26513 at 1

panel H2SFA, and HV-26514 at l

panel H2SFB.

<(

Rev. 1 E.07-9 I

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g E.07

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ICC

~

21. Secure HPI.

21. Secure HPI.

i'

.1 WHEN LPI: flow iscl.000 gpm-in I

each train.for'20 minutes as read l

~

}

on H2 SPA :and H2SFB.' stop HPI. --,,

.1 At panel.H2SFA.'.;take manual l

-control.and' secure..

u-1. li Makeup.Pp ; P--23 6 ' ,;.

l

• 2

- HP I 4 Pp ' " ' P--23 8A m -

j

.2 At. panel.H2SFB.'itake manual i

control and secure.

, ^

f j

.1'-Makeup Pp P-236

.2-HPI Pp P-238B

.3

'At panel'H2 SPA and H2SFB.'

f take manual control and;close.

..l~;HPI Valve Loop A

-l SFV-23809

. 2: HPI Valve Loop A

~

[

SFV-23811

.3

-HPI Valve Loop B SFV-23810

.4 HPI Valve Loop B

~

i SFV-23812

(

,{

22. Close High

22. Close High Point Vents.

. ~

r ;c Point Vents.

.1 At panel H2SP, close

.1 HV-20533 Loop A Vent 1**

.2 HV-20579 Loop A Vent

.3 HV-20534 Loop B Vent 1+

.4 HV-20580 Loop B Vent

.5 HV-21528 Pressurizer Vent

.6 HV-21522-Pressurizer Vent

23. Close EMOV.

23. Close EMOV at H1RC.

r..

- s.

v.

If RCS pressure increases to 150 psig, open the EMOV.

I CAUTION:

DO NOT ESTABLISH A PLOW PATH IN ANY SYSTEM ISOLATED BY SFAS WITHOUT REVIEW OF THE POTENTIAL RELEASE OF RADIOACTIVE GAS OR LIQUID.

4 Rev. 1 E.07-10 e

i

f E.07

/

ICC CAUTION:

Prior to transferring LPI suction from the BWST to the RB i

Emergency Sump, evacuate the -20 and -47 foot of the t

Auxiliary Building.

(

- ~

i i

t

24. Transfer LPI suc-

24. Transfer-LPI: suction to RB Emergency: '

i

-tion.to,RB Emer.

Sump on Lo-Lo Level BWST-alarm :

I gency Sump;on Lo-Lo on.H2SFB :(transfer within 4

402,

(

Level BWST alarm minuteslof receiving alarm).

i.

{

(transfer within 4 i

minutes of receiv-

.1 Verify Lo-Lo Level using LI-25001 i

ing alarm).

on H2SFB.

k.

i t

.2 Open'HV-26105 and HV-26106 RB Emergency Sump outlets on Panel l

H2 SPA and;H2SFB.

THEN close SFV-25003'and SPV-25004 BWST i!

L outlets.on Panel'H2SFA and

^li H2SFB.- Push buttons must be held i!

in until the valve is in the Full

(

Closed Position.

g l

.3 IF DH High Flow alarm is

' r j(

received. (DH Cooler Flow) THEN throttle SPV-26039 (Loop A) and/or SFV-26040 (Loop B) on H2SFA and H2SFB to decrease flow to 3.000 gpm per train as read on FI-26003 and FI-26004 on H2 SPA and H2SFB.

25. Stop the operating

25. Stop the operating RCPs.

i RCPs.

.1 WHEN the LPI suction has been shifted to the RB Emergency Sump AND LPI System is operating properly (NSCW. NSRW. and DH Flow). THEN stop the operating RCPs.

I

26. Continue LPI

26. Continue LPI cooling until further

[

cooling until fur-instructions are given - END.

!i i

ther instructions l

are given - END.

7 i

l r

i

!('

Rev. 1 i

j E.07-11 e

f i

5 I

I' i

e E.07 ICC

,BWST LO-LO LEVEL ALARM.

LPI FLOW IS <1000 GPM PER TRAIN.

5I 7

r j

' 27. E both Decay Heat.

27.-,IP_ both Decay 1 Heat ' Systems ;are " ~

'r Systems are

/

. operable,1,THEN go t to. Step 34 7 IP ' 7i t i

k operable THEN'go to only,one; Decay Heat System 41s1~

CW1 -.'

[

Step 34.

E only operable.)THEN[ continue.-

l}

". c e t

of one Decay ~ Heat--

--System -is ' operable.

W.

4' n.

1:

W' i

I.

1

+m THEN continue.

'as a L -

1, i

......................-r--

~

e-t CAUTION

• Prior.to-transferring LPI suction'from the BWST to the RB' E

• c u t-Emergency-Sump, evacuate the -20 and -47 foot of the: "

"t

• rw r i;

' Auxiliary Building.

Tu c *a

-- )

- -...................................................................~m--

.t 1

t

28. One DHR System

28. One DHR. System operable.. Align HPI/MU M -

t:

operable.. Align pump piggyback to operable DHS pump :rcten

[.

HPI/MU pump piggy-AND shift the operable DHS pump: lU": /,4 pen - p

.back to operable suction'from' the BWST to the Emergency tm i

DHS pump AND shift Sump.

p; <

the operable DHS g

,fr/

pump suction from

.1 Align HPI/MU pimp piggyback to1-'

.c; the BWST to the-the operable DIS pump.

Emergency Sump.

.1~

Stop the HPI/MU pump not aligned to the operable DHS pump.-.

.2

Open appropraite piggyback valve:

A Train B Train HV-26007 HV-26008

~

.2 Shift operable DHS pump suction from the BWST to the Emergency Sump.

.1

.Open Appropriate Emergency

' Sump valve:

A Train B Train HV-26105 HV-26106

.2 Close appropriate BWST

[

suction valve:

I A Train B Train SFV-25003 SPV-25004

.3 WHEN TWO DH Systems are operable, THEN to to Step 34; otherwise, continue.

Rev. 1 i

E.07-12 o

6

l t

r 1

E.07 i

a l('

ICC

\\

J_F_ Primary Tempera ture can-be. . :

' h.

I

29. J.F. Primary Temp 29.

F

~"

j can be controlled controlled by steaming the OTSGs. :n 2: :."

i by steaming the THEN go;to Step 32; otherwise~

1 0 7 '., '.

I i

OTSGs THEN go to continue.;

UTE W, 1P1 l Step 32; otherwise

' J: 4 rJ 111 l'

continue.

~

,,?i't.,.

I 1, '.

~

i i

30. Ensure maximum HPI

30. Ensure maximum 'HPI flow.".' Observe 'HPIf t =

, l

~'

flow.

flow on:H2SFA~and~H2SFB Or; Max HPItE;D l

flow is;525fgpm PER PUMP.

I

.1 Additional;HPI/MU Pump'MAY b'e.

i I-aligned and started on the.

operating DES Pump.:

i

.2 Throttle-HPI flow only.as necessary,to prevent exceeding j{

limits of Figure 1.-

l

'31.. Continue HPI cool-

31. Continue HPI cooling until futher 'anErm ing until futher instructions are given by Stationin,,

~

instructions are Management - END.

1:s;:.rcii:. !

given by Station aivu

.y.

.I(

Management - END.

/a n 1

j

32. Cool down the RCS

32. Cool down the RCS by steaming the-c i.

by steaming the operable OTSG while maintaining HPI operable OTSG while

flow, c

maintaining HPI

1 ;.

flow.

.1 Throttle HPI flow to' prevent

(

exceeding limits of Figure 1.

l

.1 Close the EMOV i

and cycle as

.2 Close the EMOV and cycle as necessary to necessary to maintain.less.than

~ o-maintain less 150.psig RCS pressure.

.. : q than 150 psig RCS pressure.

33. Continue OTSG cool-

33. Continue OTSG cooling until further ac; ~

1 ing until futher instructions are given by Station -

instructions are Management - END.

given by Station 4;

Management - END.

I'

+

i I

1 1

l

(

Rev. 1 E.07-13 e

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E.07

(

ICC BOTH DH SYSTEMS OPERABLE. DHS FLOW LESS THAN 1.000 GPM PER -

TRAIN, BWST IS AT LO-LO LEVEL.

CAUTION:

.,. Prior to transferring.LPI suction ~from the'BWST to the'RB -

Emergency Sump, evacuate the;-20 andE-47; foot of the 2

• ~ -Auxiliary. Building.

34. Place operable HPI

34. Place' operable HPI pumps in piggyback-pumps in' piggyback mode and transfer DHS pump suction:'

i mode and transfer from the BWST to the Emergency Sump.

- t DHS pump suction from the BWST to

.1 Open the following valves to '

the Emergency Sump.

establish piggyback mode:

"r

(

Valve Panel HV-26007 A DHS to A HPI H2 SPA-HV-26008

-B DHS to B HPI H2SFB 4

.2 Transfer DHS pump suction from BWST to Emergency Sump.

.1 Open the following valves:

Valve Panel EV-26105-A DHS Emerg H2SFA Sump Suction EV-26106 B DHS Emerg H2SFB Sump Suction

.2 Close the following valves:

Valve Panel SPV-25003 A DHS BWST H2SFA Suction SPV-25004 B DHS BWST H2SFB Suction l

i Rev. 1 E.07-14 1

1

~.,. _ _ _. _ _

4,:

'_o.,

4 E.07 ICC

~

{

35 Throttle HPI to

35. Throttle HPI:t'o' maintain minimum!sub-; ' '

maintain minimum cooling. margin (Rule 2) and interim -"'

4 subcooling margin brittle fracture limit (Figure.1).. -'

d, (Rule :2)-and inter-Continue this. mode of operation until:a -

y!

o im brittle' fracture

_RCS. press is reduced to 250'psig...-~' L f

~~

limit.(Figure 1).

THEN go;to Step 36.

.L:lt i -

7.

Continue'this mode 6

' P r i. m of' operation _until.

ar cm.

tc

RCS' press is

'T' (f

i jJ reduced'to:250 en?v t' psig.

THEN go to

.(

'"m.'? 1 O:9 l' _

4

. Step 36.-

,-4

36. WHEN RCS pressure

36. WHEN RCS pressure is less than.250

'N n '_ '

t Lis less than 250 psig.. place B LPI, train.in the DHS -

't

_i i

(-

psig,. place B LPI-mode.

0

't train in the DHS la*/

.j ;

s mode.

.1 Stop B HPI' pump.

' l f.

l t

.2 Close core! flood tank isolation valves *

=

i Valve

' Panel

{

HV-26513 A CFT Isol

~H2SFA

{

HV-26514 B CFT~Isol

'H2SFB t

.3 Stop B DHS pump on Panel'H2SFB.

.4 Shut the following valve:

i:

Panel Valve' HV-26106 B DHS Emerg H2SFB Sump. Suction

.5 Open the following valves:

Valve Panel HV-20001 Drop Line Isol H2PS 4

HV-20002-Drop Line Isol H2PS' HV-20006 B DHS Drop Line H2SFB Isol.

j i

.6 Start B DHS pump on Panel H2SFB.

i and throttle to maintain 3,000 j

gpm.

l.

Rev. 1 E.07-15

i B

E.07 ICC y

1 36.

.7 Maintain cooldown rate as per

{

~

Tech Specs.

t

.1 Temp >270*F_- 100*F/hr.

l

.2 270*F > Temp >.170'-

50*F/hr

~

.3 170*F > Temp >.70*F 10*F/hr l

4 37.:WHEN RCS press is

37. WHEN RCS press is lessLthan 1504psig,'n a' I

11ess than 150 psig, establ.ish LPI/DHR' cooling.

~. c r.-y 1 s

^

.~ establish LPI/DHR A i.. -

l 9 :- ; ;

[

cooling.

.1 Stop RCPs.-

.2 Secure HPI.

l

.1 At panel.H2 SPA, take manual control and secure.

.1 : Makeup Pump P-236

.2 HPI Pump P-238A l'

.2 At panel H2SFB, take manual i

control and secure.

j

.1 Makeup Pump P-236 1

'2 HPI Pump P-238B i

.3 At panel H2 SPA and.H2SFB, take manual control and close.

4

.1 HPI Viv Loop A SFV-23809

.2 HPI Vlv Loop A SFV-23811

.3 HPI Vlv Loop B SPV-23810

.4 HPI Vlv Loop B SFV-23812 I

.3 Close all High Point Vents.

.1 At Panel H2SP, close:

.1 Hot Leg Vent Valves

.1 HV-20533 I

.2 HV-20534 1+

.3 HV-20579

+

.4 HV-20580

.2 Pressurizer Vent Valves, 1+*

HV-21528 and HV-21522.

.4 Close EMOV'.

Reopen EMOV if pressure goes above 150 psig.

[

f

.5 Establish overpressure protection.

38. Further actions

38. Further actions will be directed by will be directed Station Management.

r by Station Management.

1 Rev. 1 5

E.07-16 li e

t

-we l

FIGURE 1

[

REACTOR COOLANT SYSTEM INTERIM FRACTURE LIMIT NO FORCED FLOW AND THERMAL SHOCK OPERATING REGION 3200 -

5 NOTE: -Maintaining the reactor E coolant subcooled takes

,a000 -5precedenceovertheInterim N0' FORCED FLOW-i E Brittle Fracture Curve OPERATING BAND '--

2800 -g(B&W74-1122501page6)

W/HPI' i

5 INTERIM BRITTLE FRACTURE

. VARIABLE :

2600 E

CURVE BREAK POINTS 5

- =

SUSC00 LED :

INTERIM ERITTLE-

-- MARGIN E ETEMPERATURE PRESSURE FRACTURE CURVE m L

2400

-E E

303 250 N. ' ~~

E 500 1500

'.Y II OE ' i

,c' d 200 -

y m

=

C 2000 -

RESTRICTED i

~

/

~

g REGION e

=- -

g 3_.

y z

~

h.

1800 -

i T. S. CURVE 3.1.2-2 V

' 'I NOT LIMIT

/

~

8._7600 -

\\

u

.x E 1400 4- -

b THERhIbS[0b 5

7200 --

GPERATING REGION _.'

'~

I

-e

.n, z

2:._ -

3 INCORE TC'S TO MONITOR.

es.

N 1000 -:

4

_ SATURATION.:

^'.

g EPREFERRED ALTERNATE:

' N -'

k,',-

CURVE g

L-

'X

.1

-i -

800 -il) T9254 T9256

\\'.

I' j2)T9258 T9260

' N. '_

~C'?

23) T9263 T9252

/'

~

54) T9272 T9266

1. 5. -

f' i

T9270

' ve'..

~ ~M " /

600

~

i ES) T9286

- f'--/'

RESTRICTED REGION E:

z 400 -

-n,-l

/

, g.-

_ ;fj

~

=_-

_~;

200 --

~

~'

r t

0 0

10 260 360 460 500 6d0 700 INDICATED RC TEMPERATURE

• F Rev. 1 E.07-17

4 t

r

~

FIGURE 2 CORE EXIT THERMOCOUPLE TEMPERATURE i

FOR INADEQUATE CORE COOLING

+,.

i-3000

..b It

-~

2300

.i u.

i.

f-A'.

...... ~ '

asww

~.

i

- = =

,9.ua j

I C

Luco k

AEGICM 2

... -~

g,, 9,,

~ " ' ~ ~

f 2200 seneration At* lCN ')

^ ^ ^ ' ~~ ' " f

~ ~ ~' I {

I ano fuel pia '

lt I

l.-- - f -. ~~ ~ ~ -.

-, e -

damage possible.'.

i

d e noger,

_ Gas generation;_.

+

damage likely.'

I!.

8"* 'u*' " i

'f 2000 F

I t

7.,la e el 300'.r.

I 1300

.0 l,

_(

p.

~

14C0 a

^

hf f

^

AESICN~ k

~_'

t 1200

• /

/

Significant gas

.._ generation and cl ad.

}

l

. ds:=. age stonable.

e~-

~

i 1000

~~'

~

'~^

AECICM l_

...d i

i i

"'S'*"'

300

~

- +4

/

1

- : cent ric e. urtt j

600 -

/

~.. =vo i mi s :a.-o e a rc a f

)

400 l

1)f1254 19216

_.. :) isrsa tirso

3) 11251 11252 i

f 4)istra 19zss 200 si nzas nzio r

l 0

6 6

6 6

1000 1200 1400 0

200 400 600 800 I

INCORE TEMPERATURE

'F l

Rev. 1 It 1

E.07-18

_ ~... -. _

i l

t.

FIGURE 3 HIGH PRESSURE INJECTION Fl.0W 4

VS.

REACTOR COOLANT SYSTEM PRESSURE 1000

_ =:--.= -. _ _._ _

-.=-._ ~-

,=_=---_.-_.---;=.._......

= _ _

-_.=.==.:._

_..==__ _

.._.__..._..2:

M.*_: :*.:..*.!.:"=.* : : ~- --

" * =. -

.4

?:

C., Q Q - ----.s__.---

- - - - -'----**:*.-_._!_".=-.=-'

+.

y.

1 n

y_____

m--

~_ _

_f..__..__:_._~:__~_--

~

_x 800 _. _

. _.x_. _

_ _. _ _ _. _ _.. _. - _ _ - _... = -

_ = _ _.=_ g._.. _ ; =

3_: =_ =..

_,e-

- Th r ee ' H P I Pwp s. _._...= ;. : :g.:,,,:. _

c

^

- - -- : __h

-. -. --.- -_ E '.

N

'm

._.__.___.__._._-------.-=...==f:=.

~

~

~~

700

-~

_._. g-1

--__._...__.==-===_:::-._r

~"~===:='"

1 n

^

Two H'PI Pwps'_....

. _g g.-.

.=

= _ _ _ _.

-== - _S

. y_ =:

. _. _ _. _ + _ _ _

.y..

~...,

., " ~. - - ' ~ ~ - '.

=_

--=;-_-:.._

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......._--2:.--:.-

- r g~ ~ "

N

---

=;.:_=.

7 o'00

' ~ ~ ~ ~ - - ~-___:=-- --"_--.-m-

~ *"----__#".'~,~~'"=""""-

7 :_

v

~

- =

2.__ _ _._.-.=

_ _x

--w___---

One HPl Pcp

.. +. -.

a

_. = _..

__-n. - -_~.x_:,=,

~

_..=--T-,-7_: : y y _ _,,_.----=..:=..r--_.:__

7-

---x-------

g. o

_ - - _ = -

_._.x-__.._.

,. _ _. _ _ = _,.__=..:=._=.=_.=_.:._.__.=_-.:...-.__.

~ - - - ~ ~ - - -.. _ =. - _ =. =.. _ -

=

_,.. - n_.

_. :. = :.==:.:: :._.

_N__ ;. _ _: pM___ __._."_;::._-_.Vi$ g:[.., 3.";. t x=

- - - - - + : :. s ___ ;..__ _ -_.

x

a..._== = -_.:_:.:-

_'-.4--

_. _ "..\\ :.m\\=.=_.: :_ =_~=_:;.: :.:..

_t:a

. w.:

"' y --

_-... - = _. -.. _.. _.. _ -

o.

ww

.N -----

-...V

_ _ _ __=._

-=~_:=--~__ - __. ~==== _.== - :::. N:. -. ; ;:- - * ~ -

..__c

...._.=: =__:- =.u u=.:--

. _ - - -- - h- : -== =.: =:. ; %.. :. _:-......

=== _: :: -- -- -- :.

=

=... - -. -..: _

---

'"a

_2:

M_.. :.- * ;. : =._ = -

.-___.w=..=-"...=..-.

N h

_g._.

N--...

.%_-=."*

200

.:F :9.'_W= $...qu.

-- __.7

---

d

._._..__s.._._.... _

. s. _ - :=-. _ -

S

...a.__

.___A._===_=.

-h

._.\\..__..

=r-

. _ -= -- = ---

=

- -- _= :=l:-." 6_Y.:h6 100

+ =- _._ :

_ _ _ _ =...,

. =. - - - - - _ _.

&_ =.. =-~_._~.-;i. =_:-E_'=_.. _^:-~1

-~

__.._ r.:, _

2.-

_._..=:---.-

n l

l l

l h

8 0

$00 1000 1500 2000 g 2500 3000 AEACTOR COOLANT SYSTEM 99 ESSURE--PSIG ket. L E.07-19 i

i

i J

r**

E 07 FLOWCHART FOR E.07 e

13 27 80TN DMS TES enTIATE HPI AND LPt ST ART ALL RCP'S PUWPS OPER ASLE l

l 2

NO 28 RAISE CTSG LowEROTSG ALIGN MPt/uu PRESSURE LEVELS TO 90-95%

Puur PtGGYS ACK l

5S j

3 lower OTSC OpEN ALL Na f

PRESSURE.

PONT VENTS s

Riu ARY TEM m

CONTROLLED BY I

l 16 ST E AuiNG l

4

'~" '

VERTY CFT TC TEuP AT NO 30 IS1 ATKN SATURATION

,yg a v4LVES CPEN

=!

1 ENSURE l

'?

uaxiuuu HP l

5 OECREASE l

T Axt ACTION RUNNING RCP'S l l

3g 8ASEO ON TO T PER LOOP '

l SPOS-eCC OWY CONTINVE l

18 pet COOLwG l

6 ST ART ONE u AwT AIN j k RCP PER LOOP AFw Ftow

? I

{

l 7

s 32 I

19.9 lower OTSG I

LO LO AL ARu YES COOL DowN HCS PRESSURE ST STE AumG OTSG

[

ON SwST

..~,

~ ' ' ~ - " " ' ' '

' ^

No i 9.2 OPEN ALL Me CONTmVE OTSG COOLING j

PONT VENTS LPt 4000 GPu PER Tram FOR~20 um.

l 20 g

TC TEup m vts REG 10N 4 ISOL ATE CFT'S M

29 NO go PLACE OPER ASLE

• N"' S "

TC TEuP AT SteuR6 MPt PtGGY 8 ACK S ATUR ATK)N i

39 l

?!

CLOSE ALL REcuCE RCS Alu1RT T HI POINT VENTS PRESS 70 2SO LSS NO EcoNc ARY HE AT GO TO CPIO4 TRANSFER i

l 36 i ASLISMr 1

73 PL ACE 8 LPI TR AW TCS 2

CLOSE EuCV iN CHS uo0C l

37 GOToCPt03 l

TH ANSF ER LPs ESTASLISH SUCTION TO Suu, ON LO LO LEVEL OMS COOLWG ON SwST 29 FURTHER ACTION STOP ALL RC*'s OpCCTED BYSUPv l

76 CONTINUC LPt COOLING E.07-20 Ef(D t

I e