Text

Rev 0 to AP-520, Loss of RCS Coolant or Pressure
	ML20198T135
Person / Time
Site:	Crystal River
Issue date:	01/09/1998
From:	; FLORIDA POWER CORP.
To:	;
Shared Package
ML20198T110	List: ML20198T107; ML20198T112; ML20198T135; ML20198T141;
References
	AP-520, NUDOCS 9801260465
	Download: ML20198T135 (91)
	v • d • e

..w.. . - -- . . . . .. . . .. . . - , - -

..cg.- ,, . - -

LOCOP REV 0 AP-520 O LOSS OF RCS COOLANT OR PRESSURE 1.0 ENTRY C0tfDITIONS lE either of the following occur: IN FO 1 MAT ON

A significant rise in RCS leak k.. "

An uncontrolled RCS PRESS reduction exists IBG use this procedure.

2.0 IMMEDIATE ACTIONS 2

!!0IE c There are no imediate actions for this procedure.

O

- r rh Approved by MNP0 A'$.

/ Tu Date / /f'/fF (SIGNAT)AE ON/ FILE)

AP 520 PAGE 1 of 91 LOC 0P

^

9001260465 PDR 980109 F ADOCK 05000302 PDR

1

&m }

I g .-

~ I

- ,. 1

?t-4 y

'}

i c A 1-s P

.a t

-1 i

l i

3 5

I a l-i-

1 l-o

,P

.t

.t T

2 BLANK PAGE ;

l '.-n Q 5

I 5

w H_ _

I'

, .t.

4_. ;~T w--',

us l

= t-

- c h; 1AP-520: : REV 0:

a , PAGE 2 of 91 -LOCOP: -

? u. i n

p* . , ,y' , , '&*'

[

4 a -

{

e. .

A:

2 __ - . - - + - - ' ' ' " ' * ' ' ' * " * * ' ' ' * ' " ' ' ' ~ ~ " * * ' * * ~ * " " " " " " ' * *

' ^

J l

l 3.0 F0LLOW-UP ACTIONS O-u-

ACTIONS DETAILS '

3.1 Notify personnel of plant e STA-conditions.

__ Plant operators e SSOD (evaluate plant condition for potential entry into Emergency Plan) 3.2 E the RB is occupied, 1 Depress "RB EVACUATION" push J.t[f3 evacuate RB, [

button. 1 2 __ Notify personnel tver PA.

3 ___ Repeat PA announcement.

3.3 Verify OTSG tube leakage

Notify Chemistry to sample has not increased. OTSGs.

Observe radiation monitors and recorder traces for ,the following:

.__ RM-Al2 (Condenser Exh)

RM G26-RI (81.MS line)

RM-G27-RI (A2 MS line)

RM-G25-R1 (Al MSV-25)

RM-G28-RI (B2 MSV-26)

E OTSG tube leak

> I gpm exists, MQ DHR is t[QI in operation, It[{B GO TO E0P-06, . Steam

. Generator Tube Rupture,-

beginning with Step 3.1

- (%

.L)

-AP 520 REV 0 PAGE 3 of 91 LOCOP vv -

O BLANK PAGE O

O AP-520' REV 0 PAGE 4 of 91 LOCOP

3 3.0 FOLLOW-UP ACTIONS (CONT'pl

-~s

( 1 ACTIONS DETAIL.S 3.4 ._, 11 a significt.nt rise in RCS leakage exists, ltiLN GO TO Step 3.11 in this procedure.

O

n. .

N_,)

AP-520 REV 0 PAGE 5 of El LOCOP

- - _ . _ _ _ ._..___ _ _ . . _ _ . .m _ __ - _ _ _ _ _ _ . _ . . _ . _ _ . _ .._.,

P o,

i p

-I L

P

i.

r= .

t y

t-

's I

e t b 1 s j k

p m

. i

-t..

i BLANK PAGE 6

L I

a e

( l v

I I

i

- F I

t:

l-f' l

P l

a s

o

>e, ?

1 s-n L-t-

l A

c- .

4 1AP-520; >-REV O'-

! - PAGE 6 of 91 1.0 COP L A _-I-a $_,

f-%

i.

p f

'+'ME- N Siy W-- umway- --'1lg-di '4W-H41'*O-1r*t9 p- g)g-95-r4-,-Er mir ^=t-grwee ulP'wse'f4e'im'9r-'TW'fr&*W'p'-* 9 W '979tV W .M T--- TT' @"4' e Y fr "8F"1r'

3.0 ~ FOLLOW-UP ACTIONS-(CONT'D)

ACTIONS DEMILS STATUS RCS PRF05 is lowering.

3.5 Verify proper operation of e "PZR HEATER CONTROL" PZR heaters,-

PZR Htr Banks e RC-203-JI e RC-204-JI ,

1[ PZR Htrs are HQI operating properly, IRQ notify maintenance to initiate repair efforts, 3.6 If RCS PRESS continues to e Close the following valves:

lower, IH W isolate possible DHV 91 sources of RCS PRESS reduction. RCV-53

~

RCV-11 PORV t

'RCV-13 RCV-14 3.7 IE RCS PRESS continues to lower,.

1 If Rx power is > 75%,

IH@ CONCURRENTLY PERFORM

.AdQ RCV-13 is HQI closed,- AP-510, Rapid Power Reduction,

' IBM stop RCP-1B

! beginning with Step 3.1 L

2 MHW Rx power is < 75%,

IEW stop RCP-18' fT

. AJ .

i' AP-520- REV.O. PAGE 7 of 91- LOCOP-

,, , - e- .- , -- --

t 4

4 y p r

)

?

4 4

a i

d

. t

&I= - -

f 4.

8 l

t'. ,

b i

i t, 4

4 *

- h-4 e

f i

J l

4 i

i -:

t I >

7 1

-k J

h i

I i

BLANK PAGE I

l'.

il

(-

i-I

' i f..

l ..

L s s.-

1 i

l le l.

t-

c. ,

i

'd.'

.W

'e -~-~-

4, s

~ fAP-520' -REV 0'~- -PAGE,8 of 91: LOCOP

l. -k

+ - '

(:

.e , K.

p

.h i. N 7

, . 4 ..e, Uw.......n..,E.+ -- *-m==* - w **- mr ==w*-*w"-*

e *'"'-*'*e*'"r**' " * * ' ' ' ' ~ **'"* * " ' * ' ' ""*"

._ _ ~_ _ _ . _. _ _ _ . . . . m... ._ . . . _ . _ . , _ _ _ . . _ _ ._

h 3.0 F0LLOW-UP-ACTIONS (C06,'D.1

. ACTIONS _ DETAILS 3.8 E RCS PRESS continues to lower, 1113 trip the Rx and CONCURRENTLY PERFORM ;

E0P-2, Vital System Status '

Verification,-beginning-with step 2.1 3.9. H RCS PRESS has e H PORV restoration is desired, stabilized, IliM perform the following:

QB is rising, IBM restore isolated Ensure PORV it closed and components as desired. selected to "AUT0".

Open RCV-Il e J.E PZR spray-restoration is desired, IliG perform the following:

A V Ensure RCV-14 is closed and se.ected to "AUT0".

Open RCV-13 e IE Aux spray restoration is desired, IliM perform the following:

Open DHV-91 Throttle RCV-53 for plant condition.

3.10 H.a significant rise in RCS leakage does fiQI exist, IBG EXIT this procedure.

3 (J,.

-AP'-520 REV 0 PAGE9of9h LOCOP

- _ _ . _ _ _ , y .

d -

i . t >

't 6

t

,?

1. .

a i #

% E'.

/ 4 I..~

..~s m' _f L -)

4 _

5 :

4 4

d 1 4

'u ,

i b

?

. . t.

1 1

i-BLANK PAGE s

'h . ,

4 .

4

c. k. .f P

4

( j' '

a s

k . '.

j.

w (

E i w .,

4 f s-g

.) '

4 ek 4 :

AP-520--- -REV 0' #

PAGE 10 of.! 91:- , LOCOP.

Y )

W i 5-

%e -p f

4.,,.+.-, . ~ , . .. . ._ - ... ...~J.u..... .-...mm.,,,.4ma..,... .~__.._...,.,,,._,,,,_,_.,,,..-...,r, ,. - , . . - -

3.0 FOLLOW-UP ACTIONS (CONT'D)

, 1 ACTIONS i DETAILS N._/

STATUS RCS leak exists.

1 3.11 ___ If RCS is on DHR cooling, JB[8 GO TO Step 3.73 in this procedure.

3.12 Maintain PZR level.

Control PZR level' using MVV-31

. 1E PZR level cannot be maintained with MUV-31, IBIB close letdown isolation valves:

.- MUV-567

) MUV-49 3.13 If at any time, all the following conditions exist:

PZR level can NOT be maintained using MUV-31

_._, Rx is ILQ1 tripped IHfN trip the Rx and CONCURRENTLY PERFORM E0P-02, Vital System Status Verification, beginning with Step 2.1

)

AP-520 REV 0 PAGE 11 of 91 LOCOP

Applicable carry over steps:

73 g 3.131E _PZR level can NE be maintained, Itif3 ensure the Rx is tripped...

V O

v

.c J

AP-520 REV 0 PAGE 12 of 91 LOCOP

3.0 FOLLOW-UP ACTIONS (CONT'D)

P

~q [7 ACTIONS. DETAILS

-3.14 -Maintain MUT level e _ E feed from BWST is desired, 2 55 in.

J.ti@ cycle appropriate BWST '

outlet valve:

MUV 73 MUV-58 3.15 Begin let.k rate e Observe the following:

estimation.

Makeup flow Seal injection f ow.

Letdown flow 1 See Table 1 0 3.16 H at any time, RCS leak

' exceeds any of the-

.following ITS limits:

.No pressure boundary

. leakage .

-1 gpm unidentified leak 10 gpm identified leak-ItiB start a plant shutdown and cooldown within 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />.- '

-3.17 Dete:mine if recent--

activities may have increased RCS' leak.

~,.J: ,

i AF 520-.. .REV 0. PAGE 13 of 91 LOCOP gi.

J+

T '"*

A_-. , . - , _ . , - -

y . , ~ . _ . _. . ~ .._. _, ._ , . . , _ .. _. -_ ,, . . . ~ _ , _ _ _ .

y

. . ' f +G

_.?s ,

-m.-- ;

q

~

.. Applicable carryiover steps:

2 4

.4 13 . 13 21f PZR leve1L ean HQI be maintained,: JJ.i[N ensure the Rxtis t' r_ipped'..- .

W 3?t6Lif RCSsleak is.> ITS limits...

. . - = ,

p l

.4

-i 4

g . - =,

h2

c.4 4 :1 L

y I' .? '.

4 4

t +

r

a. k 4.

\

s lj 4

4.

1 3

.g

+..

., Y

~ g

. .M i'

.;',7} '

, i m

.=u. ,

L x

N .'

r

.g/~p , - ' '

i:j ;;. t 1

k j e .k[ M

.~n, .

.c 7Ap.520: '

?

REV ' 0 =.

PAGE;14of91(_ LOCOPi ,

1 0 .'. ? ; ' 9 4 j, 4:, ,5

- y ':

' ' thy:-'_ _~_ 7

'I .r m +

7_., c _

y ,

, j , ,. y..%, __,,,- '* o - . ,C,. , ,I -. ' e --[ - - - * - = m * * " ' ' -

+ ' ' * '

3_. 0 FOLLOW-UP ACTIONS (CONT'D1 ACTIONS DETAILS 3.18 _ Determine leak location.

RCP seal:

Recorder Dumpster RCP-1A RC-19-PR) _ _ RC-134-FZ RCP-1B RC-19A-PR2 RC-135 FZ RCP-lC RC-198-PRI ___ RC-136-FZ RCP-lD RC-19B-PRE RC-137-FZ

RC sump:

RM-A6 RB sump level

_.__ RB sump pump alarm frequency

AB:

____ If AB is accessible, O Jh 8 notify PPO to monitor AB and DH Pit sump levels (95 ft AB on radwaste panel):

AUX. BLDG. SUMP (WD-29-LI)

D.H. PIT SUMP 3-A (WD-32-LI)

D.'i. PIT SUMP 3-B WD 34-LI)

__ RM-A2 RM-A4 RM-A8

___ AB sump pump alarm frequency

RCDT:

RCDT level

SW System:

RM-L3 Surge tank level 73

'tf AP-520 REV 0 PAGE 15 of 91 Locop l

l

e _f i *

, w,

. ,m ~

df ';.

=.

y 4

Applicable carry-o~ver steps:-- h r-f 3.13?1E PZR level can;ltQI be maintained, 1113 ensure,the Rx is tripped.... -

~

J 3;16 1E RCS leak,is~> ITS; limits...--

i t

r 6

W S

d( ' I 3

d' 4

. . a. .x. ,

s ,

i a

f >

\

. t N

7 T b

T N , r-

,- i _

.,f i

'i -.

s;.

- lAP.520; ; REV0J

. PAGE 16 Tof 91)

LOCOP ..~

~

Qs

%;^

r. r

-j i

r .

~

.w-

's

' .t

,.7- x

y- -

m a

-- ^

.T. ..g

~.

. s . ..s .. . -

-_ _ - - - ., -- .- o, . , - . . , . _ , ,, ,

3.0 FOLLOW UP ACTIONS (CONT'D)

ACTIONS DETAILS 3.19 ___ GO T0 applicable step based on leak location. Leak location Step RCP Seal 3.67 RB 3.20 AB 3.44 RCDT 3.61

___ SW System 3.30 O

o\s AP-5Z0 REV 0 PAGE 17 of 91 LOCOP d is i . . . - .

Applicable carry over steps:

('^g 3.13 E PZR level can @l be maintained.111[3 ensure the Rx is tripped...

3.16 E RCS leak is > ITS limits...

[

k 1

(")

L

_?"'%

AP-520 REV 0 l PAGE 18 of 91 LOCOP g _

.,r-

.-g.

-3.0 F0LLOW UP ACTIONS (CONT'D)

[ ACTIONS DETAILS STATUS ;

RCs leak to R8 exists.

I Isolate possible leak

) 3.20

Close HPVs:

. ' paths.

RCV-159

. ,__ RCV 160 RCV-157 ,

RCV 158

__ RCV 163 RCV-164

__ Close DHV-3

Close PZR Spray valves:

RCV-53

__ RCV-13 RCV 14 .

__ If HPI PORV cooling is t[QI in '

progress, IlifE close the PORV and PORV

block valve:

PORV RCV ll i

O ~AP 520- REV 0- PAGE.19 of

LOCOP

.wg .

- am- ,- e e

~

,- ,mewr e ' .r w', - -, --ewu,,-+ ,-en e.--,gwww- -

e

Applicable carry over steps:

3.13 E PZR level can @l be maintained. It![U ensure the Rx is tripped...

(^J')

L^

3.16 E RCS leak is > ITS limits...

L

('h,

'%.)

r i

jm .

) .

~.)

AP 520- REV 0 PAGE 20 of 91 LOCOP i

_ _ _ _ _ -._ __ _ ~ ... __._ . _ _ ._. _ _ .. _ _. _ _ . _ _-- __ _ _._ _ .. _ ._ _ .. _ _

i 3.0 FOLLOW UP ACTIONS (CONT'D) :

l ACTIONS DETAILS 3.21 11 leak still exists _

.MG close All sample line CAV 429 4 isolation valves.

CAV 430

_ CAV 1 l CAV 3 l I

CAV 126 l l

CAV 431 !

CAV 432 i .

1 t

3.22 _ 1[-leak still exists, j JE G close letdown cooler MUV 498 3 inlet valves. t O

MVV-38 MUV 39 i

?

$ I

.3 am e

- AP 520 1REV 0

-l -- Pact 21 of 91- _ LOCOP' -

p g . - - . .

l

' . . ._ _ - - - , - . . ._._.--._._.._...._-,.-,...__,--,,,,.,_,.;,--_.-.a--,,

Applicable carry over steps:

3.13 H PZR level can RQI be maintained, IllB ensure the Rx is tripped...

()

i 3.16 E RCS leak is > ITS limits...

i T

4 r

. f'y

':x._/

AP-520 REV 0 PAGE 22 of 91 LOCOP

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

i 3.0 FOLLOW UP ACT!0NS (CDNT'D) '

ACTIONS

./ } DETAILS 3.23 ___ Return isolated components e if letdown restoration is i" to service after desired, eliminated as leak source. IBf8 CONCURRENTLY PERFORM i E0P 14. Enclosure 4. Letdown. :

Recovery. ,

If PORV restoration is desired, 181N perform the following:- '

Ensure PORV is closed and selected to "AUT0".

Open RCV ll

If PZR Spray restoration is' desired, INEN perform the following: .

Ensure RCV-14 is closed and selected to "AUT0".

'Open RCV-13 0

3.24 Isolate the RB sump.

Select RB sump pumps to PULL TO LOCK":

WDP 2A 6 WDP-2B e Close RB sump discharge valves:

WDV 3 WDV-4 t

O

.AP-520 REV 0-8 PAGE 23 cf-91 .

LOCOP-

.S er . - - , =m -e-r- ~ -~m-- w -r rew-' v-**m- a- -e -+-e-w-- % tow - - - - s- -d1- =

e- -~mo' -we--e &'e e-'

Applicable carry over steps:

(} 3.13 E PZR level can @l be maintained, ItiG ensure the Rx is tripped...

3.16 H RCS leak is > ITS limits...

/^'3 LJ 7-~-

)

AP 520 REV 0 PAGE 24'of 91 .LOCOP

- ._. . _ _ _ .- _ . _ - . _ _ . _ - _ - _ _ _ _ _ _.-~..__ _._-._- _ -_

i 3.0 F0LLOW UP ACTIONS (CONT'D)

ACTIONS DETAILS s ,

t 3.25 - Ensure emergency RB 1 At least 1 Emergency SW Pump cooling is in service. running:

[ Rule 5, EDG Control) SWP-1A

)

54P-1B +

2 At least 1 Emergency SW Raw Water

Pump running: '

2-RWP-2A RWP 28 3 2 RB cooling units running in slow ,

speed:

?

_ AHF-1A '

__ AHF-1C AHF-1B <-

4 CI valves to RB cooling units closed:

SWV 151 SWV-152 SWV-355-5 SW valves to RB cooling units open:

SWV-353 SWV-354 I-T AP 520L - REV 0 PAGE 25_of 91_ LOCOP-l

-. ,-g..pn. m,. .f e =' :- --wN- g --f'- V '"'**"Y' ' ~ ~ ~ ~ ' ' ' ~

Applictble carry over steps:

(~') 3.13 E PZR level can @l be maintained, IBDj ensure the Rx is tripped...

~'

3.16 E RCS leak is > ITS limits...

3

,, ~ ,

'u.

l

,/

)

.AP 520 REV 0 PAGE 26 of 91 l LOCOP

~ ,

i 3.0 FQLL W UP ACTIONS (CONT'D)

ACTIONS DETAILS 3.26 E at any time, RCS PRESS is f 1500 psig, BED any valve failed to close.

IB M attempt to.close the affected valve. 1 l

3-.27 H condition: permit, e Specific instructions will be JB B make an RB entry and provided by plant management or TSC.

determine source of leak. ,

3.28 _ E plant was initially in one of the following:

Mode 3 Mode 4 O A3D RCS leak.is

> 100 gpm,

'Iti@ GO TO E0P 08 LOCA Cooldown, beginning with I Step 3.1 t

3.29 E RCS leak exists, e Maintain PZR level. >

.111@ maintain RCS inventory and EXIT this See OP 103B, Plant Operating procedure. Curves.

e Maintain-MUT level 2 55 inches.

f i'

+

v _

AP 520. REV 0 PAGE 27 of 91' LOCOP L-

.~ . . . . _ _ _ _ _ _ _ _.- . ,.. . . . . _ _ - _ . __,-... _ ._ . _ . . . . ,

Applicable carry-over steps:

N 3.13 E PZR level can @l be maintained. JHG ensure the Rx is tripped...

~-

3.16 E RCS leak is > ITS limits...

s

(-~)

wi

,g

,,_./

AP-520 REV 0 PAGE 28 of 91 LOCOP

3.0 FOLLOW-UP ACTIONS (CONT'D)

ACTIONS DETAILS STATUS RCS leak to SW system exists.

3.30 _, Close RCS sample cooler isolation valves. CAV 429 CAV 430 CAV 1 CAV-3 CAV-126 O -3.31 11 leak still exists, J3f,B isolate letdown coolers.

Close letdown isolation valves:

MUV 49

_ MUV-567

Close letdown cooler inlet valves:

MUV-498

(-

MUV 38 MVV 39 3.32 -J1 letdown was isolated.

Minimize seal injection using MUV-16 JBfB' control RCS to 2 3 gpm per RCP.

inventory.

L l

AP 520 REV 0 PAGE 29 of 91 LOCOP-

Applicable carry.over steps:

l

('N) 3.13 H PZR level can MJ be maintained 11tG ensure the Rx is tripped... I

(~/ ,

3.16 E RCS leak is > ITS limits... i l

l l

.\'M(j

./

I' AP-520 REV 0 PAGE 30 of 91 LOCOP

.f

3.0 FOLLOW UP ACTIONS (C RIiDJ ACTIONS DETAILS 3.33 E letdown isolation 1 Close cv. der outlet valves:

stopped the RCS to SW 1eak, MUV-40 M determine leaking cooler. MVV 41 2 One at a time, open previously !

on-line cooler inlet valve while ,

monitoring SW surge tank:

MUV 38

-MUV-39 3 E leaking cooler is determined, M close affected cooler inlet valves: ,

MUHE-1A MUHE-1B MUV-38 MUV-39 3.34 . E leak is on MUHE 10, o _ Close MVV 498 M close MUV 498 and MUV 505 ,o initiate RB entry to close MUV-505 3.35 Restore letdown and seal e CONCURRENTLY PERFORM E0P-14, injection. Enclosure 4 Letdown Recovery, o

CONCURRENTLY PERFORM Enclosure 1, Seal Injection Restorition, in this procedure.

u p

[U AP 520 REY:0 PAGE 31 of 91 LOCOP s

Applicable carry over steps:

^

r' 3.13 11 PZR level can M I be maintained, JBIB ensure the Rx is tripped...

3.16 If, RCS leak is > ITS limits...

I I

i

(

'w)/

U

( _i. /

AP-520 REV 0 l PAGE 32 of 91 LOCOP 6

3.0 F0LLOW UP ACTIONS (CONT'D)

ACTIONS DETAILS l

3.36 _, .11 leak to the SW system '

is isolated, JHG EXIT this procedure. l 4

HQII i 5W surge tank relief valve relieves to the Seawater Room ventilation.

I 3.37 __._ Determine desired storage e Evaluate best storage location for location for SW drainage. SW drainage based on' the following conditions:

Primary storage volume in MWST i and ECSTs Secondary storage volume in !

SDT 1 O

Processing rate vs RCS to SW leak rate Recirculation and release times Activity of water Expected duration of RCS leak .

s 3 . 3 8 _. Notify the PPO to CONCURRENTLY PERFORM Enclosure 2..SW System Inventory Control, in this-'

procedure.

'AP 520 REV 0 .PAGE 33 of 91 LOCOP

, , . _ . _ . . , . . _ , . . . , = . . . . , , . . . . . , . . ,. , , , _. , _ _ _ . . . , _ _ . . . , . _ , , _ , _ _ , , _ , . , , . , _ . . _

i I

\

Applicable carry over steps: ,

e 3.13 E PZR level can @I be maintained,1110 ensure the Rx is tripped...

3

-) 3.16 E RCS leak is > ITS limits...

P h

r f

i

'ss

/*~

,f l

AP 520 _REV 0 PAGE 34 of 91 LOCOP

- = -. _

3.0- FOLLOW UP-ACTIONS fCONT'D)

ACTIONS QLT,&lLS 3.39 __,, Determine affected RCP. * ,,_, Differential cooling water flow alarms for RCPs

,_, local surveys of the SW lines at 119 ft penetration area of AB e _ Changes in RCP seal PRESS or TEMP 3.40 1[ the Rx is HQI shutdown, o CONCURRENTLY PERFORM AP 510, Rapid 1113 begin power Power Reduction, beginning with Step reduction. 3.1 '

3.41 WiiEN the Rx is shutdown, o See OP-209, Plant Cooldown.

IBM begin plant cooldown and depressurization.

O 3.42 __. RCS PRESS is < 200 RCP Inlet Outlet 1H 3 isolate SW to affected RCP prior to RCS RCP 1A SWV 80 SWV 84 PRESS of < 180 psig.

RCP-1B SWV-79 SWV 83 RCP lc SWV 82 SWV 86 RCP-10 SWV-81 SWV-85 3.43 EXIT this procedure.

(x

'()

AP 520 REV 0 PAGE 35 of 91 LOCOP'

Applicable carry over steps:

(~'; 3.13 E PZR level can M I be maintained, JJ1G ensure the Rx is tripped...

s !

3.16 E RCS leak is > ITS limits...

i 9

{ _

f AP-520 REV 0 'PAGE 36 of 91 LOCOP

3.0 F0LLOW.UP ACTIONS (CONT'D)

ACTION _S DETAILS l t

STATUS ,

RCS leak to AB exists. i I P 3.44 Notify HP of AB leak.

a 3.45 ,_ E AD.Y of the following 1 Depress "AB EVACUATION" indicate the AB should be push button. ,

evacuated: - -

2 Notify personnel over the PA.

Health Physics survey

' 3 Repeat PA announcement. .-

Local area radiation ,

, monitors AB atmospheric O radiation monitors ItiG evacuate the AB.

3.46 E the AB is accessible. Notify PPO to walk down ltiG attempt to locate and pressurized portions of the MV isolate leak. >ystem.

IE leak is found, L 1110 isolate affected component.

AP 520 REV 0 PAGE 37 of 91 LOCOP m 9-~-M, - yw,--e- --kygm cy, y+ y &.we-rw x,we-%-w g em wMrm'7M-T-T'--T'FT- .Tp*--mWe'*- --

nT--WNgWv* *'y W44 ieve tNMe-'9'elFw

Applicable carry over steps:

f ^3/ 3.13 1[ PZR level can @l be maintained, I!!M ensure the Rx is tripped...

i, 3.16 11 RCS 'ieak is > ITS limits...

1 i

9 k

C)

i s_)

,~

)

AP-520 REV 0 PAGE 38 of 91 LOCOP

3.0 FOLLfW-UP ACTIONS (CONT'D)

{

ACTIONS DETAILS 1

3.47 __. H leak can 801 be found, o Close letdown isolation valves:

DB is 801 isolable. '

M isolate letdown. MUV 567

._. HUV 49 3.48 E letdown has been e Close MUV 16 isolated, ,

IH[B, isolate seal injection.

8 3.49 If leak is stopped, 1B[N attempt to isolate i affected components.

1[ leak is 801 stopped, !

IB[N GO TO Step 3.52 in i this procedure.

3.50 if letdown, 1 Fill and vent affected piping as -

6NQ seal injection can be required.

restored, IS[N restore letdown and 2 CONCURRENTLY PERFORM E0P 14, seal injection. Enclosure 4 Letdown Recovery.

3 CONCURRENTLY PERFORM Enclosure 1, Seal injection Restoration, in this procedure.

IE letdown, 6ND seal injection can HQI be restored.

Id[N 60.T0 AP 510. Rapid-Power Reduction, beginning with step 3.1 0 AP 520 REV 0 PAGE 39 of 91 LOCOP g-

Applicable carry over steps:

r^s 3.131[ PZR level can @l be maintained, JHDj ensure the Rx is tripped...

k 3.16 11 RCS leak is > ITS limits...

t l

\_/

2

,3

'\ '

AP 520 REV 0 PAGE 40 of 91 LOCOP

3.0 FOLLOW-UP_. ACTION $ (CONT'D) i I

. O o ACTIONS DETAILS i

3. 51 ,_ EXIT this procedure. -

l t

3.52. Verify leak is not on the - !

RCP seal return line.

t

,__. IE leak is on the RCP seal e Request assistance from the i return line, following: '!

IHG request additional assistance and EXIT this __ TSC (if activated) procedure. i Maintenance '

/

Engineering h

Health Physics :

Plant Management O ;

3.53 __. Stop All MVPs.

p ,

MVP-1B MVP lc l F

fy ;

V AP 520- .REV 0- '

PAGE 41 of 91' .LOCOP. ,

. . -t

. , . _ . - . . y . . . _, . -

Applicable carry over steps:

7g 3.13 If PZR level can MI be maintained, JJiG ensure the Rx is tripped...

'J 3.16 J1 RCS leak is > ITS limits...

t

,y

\.sb ,

u A AP 520 REV 0 PAGE 42 of 91 LOCOP cu

l i

3.0 FOLLOW UP ACTIONS (CONT!.D) :

ACTIONS DETAILS 3.54 E affected component is 1 JI bus is being supplied by an !'

isolated. EDG, QB repaired, M ensure adequate EDG margin ,

, M prepare MVP for- exists for MVP and required restart. cooling water pumps. ;

[ Rule 5EDGControl) t 2 Ensure MU control valves are closed:

,,,MUV-16

-MVV 31 3 Establish MVP cooling water supply. ;

4 Ensure MVP recirc to MUT valves are open: .

_ MUV 53 MUV-257 ,

5 Ensure MVP .nain lube oil pump is running:

MVP-2A MVP-?B MVP-2C 6 Ensure MVP main gear oil pump is running:

MUP-4A MVP-48 MUP 4C i

'g [

, }\j AP 520i - REV 0- PAGE 43 of 91 LOCOP 4 . _~

_ - _ . , . - , ~ . _ . . _ .,_..,_..-- . , _ . . . - - ,

i O l e

e i I

t i

BLANK PAGE f

.1 AP-520 REV 0 PAGE 44 of gj LOCOP k

. . . - . . . . . - - - - - . . . . - . - . . - . _ _ . - , . , .. - - -. ~ - . ~~ ,-

i

-L0 F0LLOW-UP-ACTIONS (CONT'D)-

^

ACTIONS DETAILS 3.55 IE an A Train MVP will be 1 E MVP lc is'MQI ES selected, started, E notify PPO to select " PUMP ,

. E ensure suction. 3C" on 4160V ES Bus 38 5 alignment to MUT.

2 Ensure-the following are closed:

MVV 73 MUV-62 3 Ensure the following are open:

MUV-58 MUV-69 '

3.56 1[ a B Train MVP will be 1 If MVP 1A is HQI ES selected, started, M notify PPO to select " PUMP-M ensure suction 3A" on 4160V ES Bus 3A-10 alignment to MUT.

q 2 Ensure the following are closed:

MUV-58 <

MUV-69 3 Ensure the following are open:

MUV-73 MUV-62

.g y -AP-520 ~REV 0 PAGE 45 of.91 - LOCOP

- e ,

Pr e i w w-me' - - w ,, -wt- - + - . re +39-. *%- ~.---w,rr e9- - - - + P- 3 m

. - .~ _ ,

t l.

t a

k _. y'

. -- 7 >m_ ,-}j

[t

, - s. - 2 - .. 4

? ",. . t l=- +

n

-i

u. q; . ,

x - - -

I u +

Ih g

. p I

V i-i.

e h

g

.i-t m

'f

. y-

,. .i..

f.

L, '.

5' i

4 1 1 6.: ;.

~

k o '

, l l:

r f

BLANK PAGE i

fr I' .

r f

e_

5 J

o. .

- .s

^

4

. 3i l .

M w

m E

f': s e

$1'

s. ;

I.

e.

4 4

.he'

.j..'

Y.

-y y -

, s AP-520': ' REV 0 -

PAGE 46 of 91 LOCOP --

'33 -

4 4 ~ hy_ , ^'

l' .'l}

, 2) +

, -y Ng---

9 P g -.i..#h-

--M h-94 E'~~*= - -*,, ., ,. . _ , i; _

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

.7_.__.._

i 3.0- FOLLOW-UP ACTIONS (CONT'D)

ACTIONS DETAILS 3.57 _ Start selected MVP.

_[ Rule 5,EDGControl) u 3.58 Maintain'PZR-level using- '

MUV-31 '

3.59 Restore letdown and seal

PERFORM E0P-14, Enclosure 4,

-injection. Letdown Recovery.'

o PERFORM Enclosure 1, Seal Injection. Restoration, in this procedure.

[ 3'. 60. EXIT this procedure.

'f 4

4 f

!(

AP-520.1 ,REV 0

~PAGE 47 of 91 LOCOP

_l m

"t _4 s - . .

Applicable carry-over steps:

( 3.13 H PZR level can NOT be maintained, JH[f{ ensure the Rx is . tripped... -

\ ']

3,16 E RCS leak is > ITS limits...

N n

4

/*%

~. )

-AP-520 REV 0 PAGE 48 of 91 LOCOP

3.0 FOLLOW-UP ACTIONS (CONT'D)

(~'T ACTIONS DETAILS

(/ _

STATUS RCS l u k to RCDT exists.

3.61 Monitor PZR relief valve

Monitor the PZR ultrasonic leak, indicators.

Monitor PZR relief valve TEMPS:

R205 (RCV-8)

R206 (RCV-9)

R207 (PORV) 3.62 Close WG header isolation i valves. WDV-406

(_,) WDV-405 3.63 E a PZR relief valve is

H the PORV is leaking, leaking, E close RCV-ll ItB isolate or determine leak rate.

M RCV-8, DE RCV-9 is leaking, E determine leak rate.

)

/

AP-520 REV 0 PAGE 49 of 91 LOCOP

Applicable carry-over. steps:

n 3.131E PZR level can [LOI be. maintained, THEN ensure the Rx is tripped...

(' .

3.16 1E RCS leak is > ITS limits...

y

\ ),,

",~

~ ,,)

AP-520 REV 0 'PAGE 50 of 91 LOCOP i

_ _. _ _ - . = _ . . _ _ . _ . . ._ - . . _ . - _.. . ._ . . _ . . . _ _ _ . _ . . . . m . - ._ . _ ...__ .__ _ . .- ..

3.0 -F0LLOW-UP-ACTIONS (CONT'D)

( - ACTIONS- DETAILS

~ -3.64 _ 1E a PZR relief valve is e Specific instructions will be HQ1 leaking, provided by plant management.

' E conditions permit, JEG'make RB entry tos determine source of leak, 3.65 JF letdown flow does HQI e PERFORM E0P-14. Enclosure 4, Letdown exist,- Recovery. ,

E ~ restoration'is desired,

. IllW restore letdown.

3.66 EXIT this procedure.

t O

1 J

I:/

1 ~.

AP 520 REV 0- ~ PAGE 51 of gl LOCOP-

.-,w, -, y o - e t-,w- *-,.-e..r-s r-,.- -,-

Applicable' carry-over steps:

7'N 3.13 H PZR level can (LOI be maintained, THEN ensure- the Rx is tripped... '

3,16 E RCS leak is > ITS limits...

.C)

V

.e#~,,

AP-520- REV 0- PAGE 52 of 91 LOCOP

,3 . 0 FOLLOW-UP ACTIONS (CONT'D)

~

( "') ACTIONS DETAILS

\_/

STATUS RCP seal leak exists.

3,67 Determine total seal 1 Determine CB0 flow from plant outflow from affected RCP. computer:

Point CB0 RCP-1A X922 RCP-1B X923 RCP-lc X924 RCP-ID X925 A 2 Record dumpster readings:

t#1 clicks / min 3 Determine seal leak:

x 0.25 -

cheks i mm gellchck gpm DUMPSTER Leak 4 Determine to'.al seal outflow:

+ =

gpm DP Opm C80 DUMPSTER DUTFLOW v

)

AP-520 REV 0 PAGE 53 of 91 LOCOP k

-4 s

-Applicable. carry-over steps:1 e' 3.13 IE: PZR level can HQI be maintained. IliEN ensure. the Rx isLtripped...

{

3.16 LIE RCS leak is > ITS limits...

a-

-i i

4 i

r-4 A

i n

1 3 4

'- 5\

N__

i

!~

, e s

4

+

w

. -_e I -

L, _

?AP-520 ::REVl01 :PAGE 54 ofi91 ^LOCOP -

y.

< ; p r.

, ( .~ +-

k ?. p e.-- a . , , - , . , , . . - . , - , . - . ~ + - . , . , - - - , - .,w-

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

t 3.0- FOLLOW-UP ACTIONS (CONT'D)

ACTIONS DETAILS 3.68- 1E at any. time, degradation is rapid, ANQ any of the-following ex1st:

Third stage seal TEMP 2 180'f Seal stage pressure '

drop of 2 two-thirds RCS PRESS Total seal outflow is

> 2.5 gpm E stop affected RCP.

l 3.69 CONCURRENTLY PERFORM AP-510, Rapid Power n Reduction, beginning with Step 3.1 3.70 klHEN Rx power is < 75%,

M stop the affected -

RCP, 3.71_ IE letdown flow does HQI _

e CONCURRENTLY PERFORH E0P-14, exist, _

Enclosure 4, Letdown Recovery.

AHQ restoration is desired, IHEN restore letdown.

3.72 GO TO AP-545, Plant

= Runback, beginning with.

Step 3.1:

_ - O ,:

V

-AP-520 _REV 0 PAGE 55 of-91 LOCOP

i i,

t f

.?

?

r e

i ?

i t

)

i i

g 6' BLANK PAGE 1

t v.

t.

E d

4 1

AP-520; -

.REVl0- PAGE 56 of 91 Locop t

d 6

t .- _ =.> )! _ i%q

,_,_e

~

i.9 77.

d - y

___e, - . . . . . _ , . . .-..,,,_o,;. .

. . . , . _ , , , . , , ,.,,.c y, _ , , ._ , ,, _, _ _ . , _ _ , . , ,

3.0 FOLLOW-UP ACT10'lS (CONT'D) !

~') ACTIONS DETAILS O

STATUS DHR i. service and RCS leak exists.

3.73 E at any time, DHP cavitation is detected JH M stop operating Di.1 and GO TO AP-404, Loss of Decay Heat Removal, beginning with Step 3.1.

3.74 E DH is aligned to e H aligned to MU purification, purification, JELN close:

JH Q isclate purification l P' A Train B Train

(>)

1 s DHV-105 DHV-106 DHV-75 DHV-76

E aligned to SF purification, THEN close:

A Train B Train DHV-8 DHV-7 l

3.75 E purification isolation stopped the leak, THEN EXIT this procedure.

~

j AP-520 REV 0 PAGE 57 of 91 LOCOP

Applicable carry over steps:

3.73 11 DHP cavitation is detected, JHfN stop operating DHP...

s I

O AP-520 REV 0 PAGE 58 of 91 LOCOP

3.0: FOLLOW-UP ACTIONS-(CONT'D) !

t ACTIONS DETAILS 3.76- Establish makeup source to 1 If MV purification loop is RCS,- required for RCS makeup, IBEN open the following as required:

DHV-75 (A Train)

DHV-76 (B Train) -

2 Determine makeup source to be used:

RCBTs BASTS BWST SF pools Align makeup source and maintain-4 3

adequate RCS-level for DHR.

See OP-103B, Plant Operating O. Curves, curve 16

+

4 3

. :n _

AP-5201 :REV 0 PAGE 59 'of 91 LOCOP

.~s.-. -.. _ . - , . . . , . . . _ , . . - . _ _ _ - . . _ _ ._ _ _ _ . _ _ ~ _ . _ . _ _ _ . _ _ _ . _ . . _ _ _ . _ _ . _ . _ _ _ . . . _ _ . _ . _ ,

.\

l

.)

b E

ApplicableL carrydover ~ steps:; f uv 3.73--l1E DNP cavitation is detected, ININ:stop operating DHP..-. j l

t i

e

+

1' . ..)

4

.a r

l t.

s L

A

(

4 4

5 ?

8

y ,

Y 's

"-)'h b@: .- s

-[APk520! 1REV'0' ' PAGE 60.of 91-

',_ 1.0 COP -

i ...

5:4; t v I-

' .j

~ ' _.

f-

3.0 FOLLOW.UP ACTIONS-(CONT'D) '

t

( ) -ACTIONS DETAILS 3.77 Determine leak locatior.-

AB:

If AB is accessible.

IN_[N notify PP0'to monitor AB~-

and DH Pit sump levels (95 ft AB on radwaste panel): .

~

AUX. BLDG. SUMP (WD 29-LI)

D.H. PIT SUMP 3-A (WD-32-LI)

D.H. PIT SUMP 3-B (WD-34-LI)

RM-A2 RM-A4 RM-A8 i

System walkdown e RB:

RM-Al RM-A6 RB sump level RB cump pump alarm frequency System walkdown e DC system:

RM-L5 RM L6

__. Operating DC system surge tank level

- e SF pool:

level t

AP-5201 REV 0 PAGE 61-of 91 LOCOP -

,r- - vv-t y ..- , - - - yu ,

Applicable. carry-over steps:

(~ 3.73 1E DHP cavitation is detected, TkN stop . perating DHP...

-( , -

s fD v

i r',

f )

l 8.J ..

AP-520 REV 0- PAGE 62 of 91= LOCOP

, iw-y-

3.0' FOLLOW-UP ACTIONS (CONT'D1 ACTIONS. -DETAILS 3.78 1[ leak to the SF pool 1 ___ Review valve lineup.

exists, IHIN isolate SF pool from 2 Determine leak flow path.

DHR.

3 Isolate leak flow path.-

3.79 If leak stops, 1818 EXIT this procedure, h

-3.80 GO T0 applicable step based on leak location. Leak Location Step AB 3.81 RB 3.90 DC system 3.100 .

k ym*

AP-520:- REV 0 PAGE 63.of 91 LOCOP 4 .

. . , . . ~ _ ,.,, . . . , . . _ _ r = ,

_-_.._-,._,.,_~~.-_....._.,.____..__r__., _

'{

m:

. Applicable'.' carry-over, steps :)

i 3.73;J1E DHP cavitation is detected! Itll!f stop operating'DHP...- ;i s;

-s 3

B i l' i

-j I 1 t

r f

f 1.

V

.=

(

s

g. L

\ -

-J ;

~ .

m .. 1 i

" lAP-520i iREV 0: PAGE 64'of.91 LOCOP

. . ;- J . . + . ..p

.~

m ' A v-f

.f * .s

. i '

--_i y.

"i -

. . j

3.0 -FOLLOW UP ACTIONS?ICONT'D)

ACTIONS DETAILS STATUS DHR in service and leak to AB exists. .

4

-3.81 Close All sample line isolation valves. CAV-429 CAV-430 CAV-1 CAV-3 l- CAV-126 CAV-431 i --

._ CAV-432

< O l l

3.82 .E leak stops, c ItiLN EXIT this procedure.

I l

I

- 3.83. If leak is isolable, -!

AND isolation does HQI require DHR termination, IHLN isolate the leak and

EXIT this procedure.

< (

-AP-520- REV. O PAGE 65 of 91 LOCOP g %

Sw+- . ~. _ a -

_. - - . , ,, w

,. _ . - ~ _ _ -

.. _ . . _ _ _ _ _ . _ _ _ _ _ _ . _ _ _ _ . , _ . _ . ~ . , _ _ _ _ . . . . -

.: ,1, . -

1

' Applicable ' carry-over ::teps:S

~

3,73t-;JEDHPcavitation[isdetected,J11ENstopoperatingDHP... - [

t e

p 2

3 h

g . -5 1

3 l'

j -.

s f '-

g 4

\

t i.

{'_.

7 2

E

" b a

9

-s. . ,.

. r 1 :

W

_g.

t AP'-520' REV O l - PAGE 66 of 91 'LOCOP ~

A, ,s%.'r' t-

.,',g

.1 _

>ng

$ t .F -

Q

^ '

,4 4 _

+, yy+ , + . ..__m.e_., . + , . . . . . . . . . _.~~.__.______-.___.m -

I 3.0 FOLLOW-UP ACTIONS (CONT'DJ

( ACTIONS DETAILS 3.84 J1 leak is on the DHR drop 1 Stop operating DHR train, line, MQ RCS level can ET be 2 Close the following valves:

maintained, M stop DHR, isolate DHV-41 drop line, and establish alternate cooling. DHV-3 DHV-4 3 GO TO AP-404, Loss of Decay Heat Removal, beginninn with Step 3.1 3.85 __ IF alternate DHR train is

_ _ 11 B Train is running, available, M PERFORM Enclosure 3, M start alternate DHR Starting A Train DHR, in this train, precedure.

If n Train is running,

(. M PERFORM Enclosure 4,

( Starting B Train DHR, in this procedure.

3.86 _ If leak stops, .

M EXIT this procedure.

AP-520 REV 0 PAGE 67 of 91 LOCOP

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

r 1

Applicable carry over;stepsin i

< t

_3,73 jf;DNPcavitation :is detected,' 1118 stop; operating _. DHP. . .--

]I J '

?

.E e

7 D 9

'?

? s-k 5

3 l.

u-f I

k- L 1

t 9

4 d

4

(:

?

c

f, '

, y.; 'AP 520.)

REV 0 : . PAGE 68 of 91- I I

--l.0 COP.

y= l s-r a

,- k & -

9 F "-

tMP r w pr-9e ++

l l

-3.0 F0LLOW-UP ACTIONS-(CONT'D) l\

.\J ACTIONS. DETAILS 3.87 If RCS-level is still_ 1 Stop affected DHP:

lowering,.

1818 stop DHR, isolate LDHP-1A both trains, and establish alternate cooling. DHP-1B 2 Close the following valves:

A Train B Train DHV-39 DHV-40 DHV-5 DHV-6

' 3 CONCURRENTLY PERFORM AP-404, Loss of Decay Heat Removal, beginning with Step 3.1 I'l 3.88 1E leak is HQI isolated, o Request assistance from the

> .Ts s' IHEN request additional following:

assistance.

TSC (if activated)

Maintenance Engineering Health Physics Plant Management 2

3.89 EXIT this procedure.

f} S- /

AP-520 REV 0- PAGE 69 of 91 LOCOP

Applicable carry-over steps:.

t rx 6 3.73 If DHP cavitation is detected, JEFE stop operating DHP...

V '

s

~ (D

\.~J

,f3 t.,_,1

-AP 520 REV 0 PAGE 70 of 91 LOCOP P

l 3.0 F0ll0W-UP ACTIONS (CONT'D)

(~~>)

x.

ACTIONS DETAILS STATUS DHR in service and leak to RB exists.

3.90 E leak is on the DHR drop 1 Stop operating DHR train, line, M@ RCS level can @l be 2 Close the following valves:

maintained, M stop DHR, isolate DHV-3 drop line, and establish alternate cooling. DHV-4 DHV-41 3 GO TO AP-404, Loss of Decay Heat Removal, beginning with Step 3.1

() 3.91 E cold leg nozzle dams

E RB entry can be made,

(./ are installed, E monitor nozzle dam control IREN determine if nozzle panel for alarms and adequate air dam ?eak exists, supply.

3.92 E at any time, cold leg nozzle dam leak exists, M GO TO Step 3.97 in th's procedure.

3.93 E leak is isolable.

A@ isolation does NOT require DHR termination, M isolate the leak ar.j EXIT this procedure.

A V

AP-520 REV 0 PAGE 71 of 91 LOCOP

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

i Applicable carry over steps:-

3.73 ::/1E DHP. cavitation:is detected. Ilifff stop operating DHP....

-t i

l ,

4 4

s r-4 n

u -i ,

f

~

h-M ,

t 4

1 :,

s-

--,d-t, LAP-520- LREV 0.

' PAGE72of91[ 'LOCOP- ,

1 (

YA,

,- -=v6 f.-e ww5 -y. m w -y-,.e, -- pi- .g .c w T g m.

3.0 FOLLOW UP ACTIONS (CONT!D) i ACTIONS DETAILS 3.94 __._ If alternate DHR train is

H B Train is running, available, lti[B PERFORM Enclosure 3, IllG start alternate DHR Starting A Train DHR, in this train, procedure.

__ IF A Train is running, IliW PERFORM Enclosure 4 Starting B Train DHR, in this procedure.

3.95 F 1eak stops, ltifi EXIT this procedure. <

3.96 _ E RCS level is still 1 Stop affected DHP:

l owe r .ing ,

lilG stop DHR, isolate DHP-!A q both trains, and establish (g alternate cooling. _ DHP-1B 2 Close the following valves: -

A Train B Train DHV-39 DHV-40 DHV-5 DHV 6 g 3 .__ CONCURRENTLY PERF0kN AP 404, Loss of Decay Heat Removal, beginning with Step 3.1

,C'T X.J AP-520 REV 0 PAGE 73 of 91 1.0 COP 4

iei L -um umasir aa i-m-is1

Applicable carry over steps:

,r 3.73 1[ DitP cavitation is detected, IllW stop operating DHP...

U, 3 i

7, i )

AP-520 REV 0 PAGE 74 of 91 LOCOP

k i

i 3.0 FOLLOW UP ACTIONS (CONT'D) i ACTIONS DETAILS 3.97 11 leak is @l isolated.

Request assistance from the '

JBiff request additional following: i assistance.

TSC (if activated)-- l

__ Maintenance

.__, Engineering ;

Health Physics l

Plant Managerrat -

I 3.98 Isolate the RB sump, e Select RB samp pumps to

" PULL TO LOCK":

WDP 2A ,

WDP-28 -

e Close RB sump discharge valves:

-i WDV 3 WDV-4 3.99 EXIT this procedure, r

P i

-5

-AP 520' - REV 0f PAGE-75.of 91 -LOCOP-r

u:. . ' -

p *'w

-, , - * . ~ -e .,. -

$ v.,- i.,, _ . - --r = , , , . - - . , _ , y ,w..e . . - . - - - .---,y ,,m, , s-.,w r

O P

f BLANK FAGE O

i

'AP-520- REV 0 PAGE 76'of 91 LOCOP 6

c-r .

l 3.0 F0LLOW UP ACTIONS (CONT'D) i 1

ACTIONS

(} DETAILS ;

STATUS DHR in service and leak to DC system exists.

3.100 ___ 11 alternate DHR train is 1 if B Train is running, available, IHEN PERFORM Enclosure 3, IEEE start alternate DHR Starting A Train DHR, in this train and EXIT this procedure, procedure. '

2 11 A Train is running, IBIN PERFORM Enclosure 4, Starting B Train DHR, in this procedure.

3 ___ EXIT this procedure. -

4 1

O 3.101 11 leak is challenging DC surge tank level, ldL8 isolate leaking DHR 1 Stop DHP:

DHP 1A train.

DHP 1B 2 60 TO AP-404, Loss of Decay Heat Removal, beginning with Step 3.1 3.102 1E leak can be controlled, 1 Continue operation of leaking DHR train.

IREN start preparations for alternate cooling and- 2 Restore shutdown DHR train if.

EXIT this procedure, possible.

3 Request assistance.

4 EXIT this procedure.

.U; % .

.AP 520 REV 0 PAGE 77.of 91 LOCOP

~

t i

. I 1

i l

1 1

4 i

i d i i

i .

I !

'I

, , i i'

1 I

i f

4-t t

i

)

1

r

.5

. i

[

s (

1 5 r -i r

f BLANK PAGE l

k

i. t t

s

, r 1

P

[ f 1

1 6 ?

i i r

t t-i i

e b

~

i.- .

P l: L t

r

?

i

,, 4 '

r i

p -

iAP 520 ;REV O r ;-3 -

PAGEL78 ofl91:

-LOCOP-

[

_ i _ -h ff. -

,'h

,: + ,

't j

. , ._ e .v .; L , - .-. 6 , . . .-u.__.., . + - ~ . . ~s---------++------a - ~ ~ - - ~ - - - - - - * - - - - - - - -

" ' - - - - - ~ - ~ ~ -

I I

l 1,0 ENCLO5URE 1 SEAL INJEC'i10N RESTORATION

(}

(/

ACTIONS DETAILS l

1.1 Restore RCP seal 1 Ensure MUV 16 is closed.

injection. ;

2 Ensure a MVP is running.

3 Ensure MUV-18 is open.

4 Throttle open MOV 16 to establish seal _ injection flow rate of 3 gpm/ pump over a two- ;

minute time period, lime 3 gpm established 5 WHES 10 minutes has elapsed with seal injection of'3 gpm/ pump, 181H increase seal injection flow to 6 gpm/ pump.

Time 6 gpm established : _

6 WHIN 10 minutes has elapsed with seal injection of 6 gpm/ pump.

IBIN increase seal injection O flow to 10 gpm/ pump.

l l-I j ;(j <

l u (f

.AP 520 REV_ 0

, PAGE 79 of-91 LOCOP

__._4 , . . . . . _ . _ -

i l

i I

r

\

4 i

i t

{'

e i

i i

, BLANK PAGE i

s .

E i

t .

(.

i t.

?

f i-l- .

,AP-520: REV 0 PAGE 80 of 91 LOCOP l'. __ _ __ _. _ ._ _ _ . _ . . _ _ . . _ _ _ . _ . . _ _ . _ _ _ _ _.

5.0 ENCLOSURE 2 SW $YSTEM INVENTORY. CONTROL ACTIONS DETAILS 2.1 _ Request Chemistry to expedite any pending release permits.

2.2 J.E primary storage is e use at least one of the following desired, valves:

M maintain SW system inventory using drains. SWV 437."SW to RC Evap Drain",

with cap removed and sleeved to drain (95 ft AB RC Evap valve alley next to floor drain)

_ _ SWV-450 "SW to SP Cooler Drain",

with drain hose connected (119 ft AB by SFPs) 2.3' 1[ secondary storage is

^

Use at least one of the following

', desired. .

valves:

M maintain SW system inventory using drains. SWV 455 "SW Supply Header Drain", with drain hose connected-(95 ft AB outside Triangle Room)

__ SWV-490 "SWP Suction Header Drain", (95 ft AB Seawater Room on suction header) 2.4 Open selected valves to maintain SW system inventory,

i. u

-AP 520 REV 0 PAGE 81 of 91 LOCOP 1 . ..

I

=r 4

t s

4 3

1 1-4

. 1 i

i

'l e

t t

s .-. ;

e, i .

b' j'd 9 I

4, F 3, i i

J

?

r .

1

?

4 !

r i 1 :

6- BLANK PAGE '

i E

[.

t 2

d

?

4 f,'

I s

3 i

i . .

f i-t

'i t

3. .

.l E

1

< .1

..i A ,

, , - .t

?

m

- i,

-6

.f m -. .

+' -

1 . -

e j i AP 520i :REV 0 PAGE 82: of2 91 :- . LOCOP 4 se s, '_

< e

,- t i e i e s. ,(

2 c _. '$5 y: : - _ - _ --__m .- _ _. .

.j

(, d,l: * ?

- x

_:-..n..

u:.. 2

_.w '- '

- '- ~-

- ..:-L.-.;i~-a-. . ~~-----~4------+~~~~~4-*~ ~~~----**v"+---~~~~*'

5.0 ENCLCSURE 3 Startina A Train DHR f '; ACTIONS DETAILS N .-)

3.1 ._. Position DCV-177-MS to "0".

3.2 Isolate MU purification 1 Close DHV-106 flow.

2 Close DHV-76 3.3 Align DHP-1A for DHR.

Ensure the following valves are closed: '

DHV 34 DHV-42 DH'! 8

.m DHV-105 DHV 75 3.4 _ Open DHP-1A isolation -

valves. I DHV-39 DHV-5 3.5 ,___ Adjust DH control valves for '500 gpm.

DHV-Ill DHV-110

.)

AP-520 REV 0 PAGE 83 of 91 LOCOP

O F-l BLANK PAGE i

O AP 520 REV 0 PAGE 84 of 91 LOCOP

i 5.0 ENCLO5URE 3 Startina A Train DHR (CONT'D) ,

1 I

U ACTIONS DETAILS i.

l' 3.6 Start A DH train. 1 _ Start DCP-1A 2 . Start RWP-3A 3 Start DHP-1A 3.7 Establish-RCS cooling.

Adjust DCV-177 MS for desired cooling.

k 1

3.8 _ Stop DHP-1B 3.9 _ , _ , . Isolate B DHR train.

Close the following valves:

DHV 40 DW 6 3.10 . Control RCS TEMP. e Adjust DHV-llo setpoint to 3000 gpm.

e Adjust DCV-177-MS for desired cooling.

' L. /

AP 520-- REV_ 0 ~

PAGE 85 of 91 : LOCOP-e

g a - n -

,a N43 4 y-.a yww,-.e -,- --*---9,. w p9- ,y y .am-, y4gy-w_i, y-wey, %7p y3.. 3. ,y.-c- --

9 y w_7-pm-g ,3%9 9-g-v g ..3-g -.yw .9p9

, , -.-.r-..-~..---- -

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

4},

)

g. -g.

5 4

t.J 1

J' I

... 1 i

i: O i.

a 1 .

1 1

d'.'

5 :

J s i

1.'

i.

j. '

)

1 .

4 -!

A L i r . -i s ,

1 t

b:

t-i !

4 i 1 -- :

. .)

i ,

i BLANK PAGE

?

e. .

i. :

i i

t t- .

i. t i

r t.

i.

r i.

s i i

s 4 -

t' ._

~

~, . ..

(

1 L i-

)

I- '

yc 1AP-520) REV 0; l e:

t.

s PAGE 861of 91.

1 . LOCOP, ' t j

?

p' '

4

-.; . 3 -

lL (-. _ . . . a F

-- [M'7

=

=,.

r

,'i*c% 1'r-I( . d.;i _ - . . I.. . .. .i-.1+ U -- U-'-

] J. _ w . - * " " "

l 5.0 ENCLOSUR(_3 Jtartino B Train Dl'R

') ACTIONS DETAILS 4.1 __. Positim DCV-178 MS to "0".

4.2 Isolate MU purification 1 Close DHV 105 flow.

2 Close DHV 75 4.3 _ Align DHP-1B for DHR.

Ensure the following valves are closed: '

DHV-35

._ DHV-43 DHV-7 f~') _ DHV-106 v'

DHV 76 4.4 __. Open DHP-1B isolation valves. __ DHV-40 DHV-6 4.5 Adjust DH control valves for 1500 gpm. DHV-Il0 DHV-Ill l

AP-520 REV 0 PAGE 87 of 91 LOCOP ,

i t

P d

5 i

BLANK PAGE

\ .

(

I l

l I

i i

. \,

AP-520 REV 0 PAGE BS of 9) LOCOP e'

5.0 DICLOSURE 4 Startine B Train DNR (CONT'D) l

( ~

\ ACTIONS- DETAILS 4.6 _. -Start B DH' train. 1 _ Start DCP-18 2_ Start RWP-3B 3 _ Start DHP 1B 4.7 Establish RCS cooling. e Adjust DCV 178 MS for desired cooling, i

4.8 __. Stop DHP-1A l

4.9 Isolate A DHR train.

Close the following valves:

_ _ DHV-39 DHV 5 4.10 _, Control RCS TEMP. o Adjust DHV-II) setpoint to 3000 gpm.

Adjust DCV-178 MS for desired cooling, f

N}/-

AP-520L - REY 0- PAGE 89 of_91 . LOCOP z .- -

- -y- A ,g, -

...,3..vy y --m-_ 4-,r.+--. ,c, -m-,.w, ,%-,--..7-,.--r-y-v 3< y..w,' , - - - +

y.

J l

3 i

4 I.

s i

1-i I^

4 a:- +

t 1: ,

t h -- i

$; [

i, i e i

} ~' {

4 -

1 l

4 -

i t t

? ?

.. i i

t i I

l . BLANK PAGE f

5 4

i I i 6

3.

P s

a ?

(

e_ f 4 F i

)

1 f

i,

~%

.. i

.i - E r

1

{

, ~

$ .I!! y[ g

?

.I 4 i a

s iAP-520 - :: REV Ot :PAGE 90 of:91--

LOCOP.

- ~I a

, '_.\ r' .,,

s 4

'S) 9 i -

i 4 g ., :,

f h' Ur. . .. . . 4 . . .s g ,

m _ --- .,

. - - , . ~ - , < . _ ~ . . . _ _ _ . . . .- . . . . . , . . . _ , . _ _ .. ~._. m .,,. _ .__ _ .___,s--,.m,- -m...r--,--.-

I COMPONElR VOLUME l

l MUT 30.8 gal /in PZR (2155 psig) 12.2 gal /in PZR (2100 psig) 12.4 gal /in PZR (1900 psig) 13.3 gal /in PZR (1700 psig) 14.1 gal /in Table 1: Values PZR (1500 psig) 14.9 gal /in for leak rate estimation OTSG ~45 gal /in OTSG =135 gal /t RB sump 23.6 gal /in AB sump 43.6 gal /in SWT 1 58.1 gal /in RCOT 32.9 gal /in DCT 1A or B 27.2 gal /in O

O.

U AP.520 REV 0 PAGE 91 of 91 (LAST PAGE) LOCOP

- _ - _ _ - _ _ - _ _ - _ _ - _ _ _ - - - _ _ - - - - _ .

ML20198T135

Text

Navigation menu

Search