ML20086U455

From kanterella
Revision as of 18:19, 14 April 2020 by StriderTol (talk | contribs) (StriderTol Bot insert)
(diff) ← Older revision | Latest revision (diff) | Newer revision → (diff)
Jump to navigation Jump to search
Proposed Tech Specs Deleting Operability & SR Involving Secondary Containment Differential Pressure Instrumentation
ML20086U455
Person / Time
Site: Limerick  Constellation icon.png
Issue date: 07/28/1995
From:
PECO ENERGY CO., (FORMERLY PHILADELPHIA ELECTRIC
To:
Shared Package
ML20086U437 List:
References
NUDOCS 9508040108
Download: ML20086U455 (28)
v • d • e


Text

_ _ _ _ _ _ _ _ _ - _ _ _

' V .,

~~

r-1AllLI 3.3.2-1 (Continueel) 3901000402 -

ISOLATfilif AciffATIi)N INSillHHl:HIAll0N x

y' HINIHtlH APPLICAllLE 1501Allg) OPlilAIILECllANNfyI OPERAll0NAL TRIP fuNCll0N -

SIGNAL PEll TitlP SYST[H CON 01110N ACIION E TT -

% 6. PRIMARY CONTAINHENI 150LAil0H -

Om w

a. Reactor Vessel Water Level
1) Low, Low - Level 2 0 2 1, 2, 3 20 (j) @

f

-N

% )

l

2) Low, Low, Low - Level 1 C 2 1, 2, 3 20 O' .

3 *--+~ l

h. Drywell Pressiire - tilDh 11 2 1, 2, 3 20 O I
c. Ilorth Stack LIfluent Radiation - liigh ('UI W l 1, 2, 3 23 l e
  • d. Deleteil .

= O '

lleactor Enclosure Ventilation Q

e. , i Exhaust Duct-Ratilation - liigh S 2 1, 2, 3 , 23 .

g pW

^

Wale Atmo e o Reactor ) #

kg f

f nclosure d Pressure - Low s / U [# l ~~,1 3[ __ J

.23)

O-R %S-o8- o

g. 11eleteil ca '

Drywell Pressure - liigh/

.- h.

M Reactor Pressiere - Low G . 2/2 1, 2, 3 2ri ,

. 4

1. Prima'ry Containment instrument H 1 1, 2, 3 26 Gas Line to Drywell A Pressure-Low ,
  • J. Manual Initiation NA 1 1, 2, 3 24 -

B.. .

950804o108 950728 PDR P

ADOCK 05000352 d o PDR - I.

r-E .

TABLE 3.3.2-1 (Continued) 3901038720 ISOLAIION ACTUATION INSTRUMENTATION 9

"n MINIMUM

  • APPLICADLE TRIP FUNCTION ISOLATIpg)*(c)OPERARLECilANNElg)OPERAT10NAL SIGNAL PER TRIP SYSTEN CONDITION ACTION E I Q 7. SECONDARY CONTA1 MENT 150LAT10N i
s. Reactor Vessel Water Level Low, Low - Level 2 R 2 1,2,3 25
b. Drywell Pressure - lil0h Il 2 1,2,3 25 t c.1. Refueling Area Unit 1 Ventilation Exhaust Duct Radiation - tiloh R 2 25 w 2. Refueling Area Unit 2 Ventilation Exhaust Doct Radiation - liigh AI i R 2 25 u

,', d. Reactor Enclosure Ventilation Exhaust .

Duct Radiation - litch S . 2 1. 2, 3 25

e. Outside Atmosphere To Reacto ~ ' ~ ~ ' ~ ~ - - De_Ide. Em rfclosu -Pressure - L U 1 1, 2, 3 2 Lc.tk l*t S'- o 'r - o
f. Outsid Atmosphere jT efueling  ;

Ard A Pressure ., Low A 1 > '

S j -'

g.

Reactor Enclosure -

Manual Initiation NA 1 1,2.3

  • 24
h. Refueling Area Manual Initiation NA 1, '25 28 r [

a a $ '

C

'.J.'

x

.a '

. c 8 ."' N

~

.= ..

f\

O

.m. .

sa.-

~

g TABLE 3.3.2-1 (ContinuId)

TABLE NOTATIONS

, .t -

(c) Actuates secondary containment isolation valves shown.in Table 3.6.5.2.1-1 and/or 3.6.5.2.2-1 Rand @alsostartthestandbygas

'*"*"* 5'5**"- and, signals B, H, S,@LA4k b t .-y-ou cR (d) RWCU system inlet outboard isolation valve closes c~n SLCS "B" initiation.

RWCU system inlet inboard isolation valve closes on SLCS "A" or SLCS "C"  !

initiation. '

(e) Manual initiation isolates the steam supply line outboard isolation valve and only following manual or automatic inftiation of the system. .

( f' ) In the event 0of a loss of ventilation the temperature - high setpoint may be raised by 50 F for a period not to exceed 30 minutes to pemit restoration of the ventilation flow without a spurious. trip. During the 30 minute period, an operator, cr other qualified member of the technical staff, shall observe the temperature indications continuously, so that, in the event of rapid increases in temperature, the main steam lines shall be manually isolated. *

(g) Wide rang'e accident monitor per Specification 3.3.7.5.

1 I

f.

I l

l

)

LIMERICX - UNIT 1 3/4 3-17 Amendment No. 28, 53 DEC 1"I l!!1

3901000402- -

TABLE 3.3.2-2 (Continued)

% ISOLATION ACTUATION INSTRUMENTATION SETP0lNTS E

M ALLOWABLE TRIP FUNCTION g TRIP SETPalNT 'VALUE

[ G. . PRIMARY CONTAINHENT ISOLATION .

a. Reactor Vessel Water Level
1. Low, Low - Level 2 > -38 inches * > -45 inches  :
2. Low, Low, Low, Level 1 [-129 inches * [-136 inches
b. Drywell Pressure - liigh 5 1.68 psig 1 1.88 psig
c. North Stack Effluent

, Radiation - Ili0h 1 2.1 lCI/cc $ 4.0 pCi/cc w

d. Deleted U e. Reactor Enclosure Ventilation Exhaust '

Duct - Radiation - liigh -

-< 1.35.__mR/.h

< 1.5 mR/h

[

gg g

~

f. .id mo , re-T6' Reactor Encysure - ,

- - - . ~ - - -

) t_ta % s -o i-o y g. Deleted w

a h. Drywell Pressure - lilch/ 5-1.68 psig/ 5 1.88 psig/ - .

Reactor Pressure - Low > 455 psfD (decreasing) > 435 psig (decreasing) g g i. Primary Containment Instrument > 2.0 psi > 1.9 psi g Gas to Drywell a Pressure-Low , '

& Manual Initiation N.A. N.A.

g J.

r O

O .

h -

c<.

- 3901000402 '

p , .

g IABLE 3.3.2-2 (Continued) -

g M 150 tall 0N ACIUAll0N INSIRlRefNTATION SilPolNIS M

e

~.

g 1 RIP TUNCTION -

TRIP SEIP0lNI.

At t0WA8tt '

_ VAluf .

7. SICONDARY CONIAll0KNT ISOLATION '
a. Reactor Vessel Water Level -

tow. Low - Level 2 1 -38 inches" 1 -45 inches .

b. Drywell Pressure - High $ 1.68 psig $ 1.as psig c.l. Refueling Area Unit 1 Ventilation Enhaust Duct Radiation - High 1 2.0 mR/h .

$ 2.2 mR/h R 2. Refueling Area Unit 2 Ventilation

[. Exhaust auct Radiation - High 1 2.0 mR/h

. 1 2.2 mR/h '

Rt d. Reactor Enclosure Ventilation Exhaust i

Duct Radiation - filoh 1 1.35 mR/h

_ _ $ 1.5 mR/h fs e. Opl 6de AtmopplN e in Reac h Enclosur [ ~ ~

u Pressu A low / /

u 10.1" ofdl y0 10 5" of fl y0 l g . Outsi Atmospherp o Refueling rea -

AP ssure-Ley / 10. " of fl y0 , )

f,

' , 1 0. 0" of 120

g. Reactor Enclosure Manual k Initiation N.A. N.A.

h ele _t e. Per L COL tf-o Cr - o

h. Refuelin0' Area Manual Initiation N.A. N.A.

,N *See Rases figure B 3/4 3-1.

  • u
    • Ihe low setpoints are for the RWCU Heat Exchanger Rooms; the high setpoints are for the pimp rooms. .
  • M3 e I g .O

, ; .- o .

  • 2,,

L .

TABLE 3.3.2-3 (Continued) -

ISOLATION SYSTEH INSTRUMENTATION RESPONSE TIME TRIP FUNCTION .

. RESPONSE TIME (Seconds)#

6. PRIMARY CONTAINMENT IS0tATION
a. Reactor Vessel Water Level *
1) Low, Low - Level 2

< 13(a)

2) Low, Low, Low - Level 1 1 13(a) .
b. Drywell Pressure - High .

1 13(')

c. North Stack Effluent

, Radiation - High N.A.

d. Deleted s e

Reactor Enclosure Ventilation Exhaust Duct - Radiation - High H.A.

a -

.A.

g. Deleted *
h. Drywell Pressure - High/ i Reactor Pressure - Low N.A.

l i. Primary Containment Instrument Gas to #

Drywell A Pressure-Low H.A.  !

I I

j. Hanual Initiation c-N.A. o
7. g SECONDARY CONTAINMENT ISOLATION d by
a. Reactor Vessel Water Level L r Low, Low - Level 2 H.A. d
b. Drywell Pressure - High Ng H.A. j ;d o

c.1. Refueling Area Unit i Ventilation 4 Exhaust Duct Radiation - High N.A.

2. Refueling Area Unit 2 Ventilation

. Exhaust Duct Radiation - High N.A.

d.

Reactor Enclosure Ventilation Exhaust Duct Radiation - High H.A.

< Optlifde Atmospfere to Reactof

, ,. , /

LIMERICX - UNIT 1 3/4 3-25 Amendment No. 23.n!H 2 2 tm

. . _ _ _ _ _ - _ _ - . _ _ _ _ - _ a

i TABLE 3.3.2-3 (Continued)

ISOLATION SYSTEM INSTRUMENTATION RESPONSE TIME O e TRIP FUNCTION _ _ _ RESPONSE TIME (Seconds)#

~~

b 6ts'ide rea mosphere T Pressure-LgMfueling

_ .)ld-Odch b yc4

g. Reactor Enclosure Manual -
  • t S~ -o S - 6 Initiation - N.A.
h. Refueling /.rea Manual Initiation N.A.

TABLE NOTATIONS (a) Isolation system instrumentation response time specified includes 10 seconds diesel generator starting and 3 seconds for sequence loading delays.

(b) DELETED l

  • Isolation system instrumentation response time for MSIV only. No die'sel generator delays assumed for MSIVs.
    • Isolation system instrumentation response time for associated valves except MSIVs.
  1. Isolation system instrumentation response time specified for the Trip Function actuating each valve group shall be added to isolation time shown in Tables 3.6.3-1, 3.6.5.2.1-1 and 3.6.5.2.2-1 for valves in each valve group to obtain ISOLATION SYSTEM RESPONSE TIME for each valve.
    1. With 45 second time delay.

l 1

i l

l FEB 1 6 m5 LIMERICK - UNIT 1 3/4 3-26 k.endment No. 6 89 -

TABLE 4.3.2.1-1 (Continued) ,

ISOLATION ACTUATION INSTRUMENTATION SURVEILLANCE REQUIREMENTS CHAMEL OPERATIONAL -

r. CHAMEL _, FUNCTIONAL CHAMEL CONDITIONS FOR WHICH TRIP FUNCTION CHECK TEST CALIBRATION SURVEILLANCE REQUIRE N 6. PRIMARY CONTAIMENT ISOLATION i .
a. Reactor Vessel Water Level '

g .

Low, Low - Level 2 S' f, 2, 3

'~

.-. 1)

Low, Low, Low - Level 1 Q R l'

[ 2) S Q ~R 1, 2, 3

b. Drywell Pressure ## - High S Q R 1, 2, 3 ' ]
c. - North Stack Effluent Radiation - High S Q R 1, 2, 3
d. - Deleted R e. Reactor Enclosure Ventilation

[ Exhaust Duct - Radiatien - High 5 Q .R 1,2,3 b f. Outside Atmosphere M eactor

,I:nclosure a Pressure - Low N.A./ M Q 1, 2 i

g. De1eted Omn rn W

~

c. c n vr~09-o
h. Drywel1 Pressure - High/

, . Reactor Pressure - Low 5 Q R ,1, 2, 3 i

, 1. Primary Containment Instrument Gas to Drywell a Pressure - Low N.A. M Q 1,2,3 y

,. ,j . Manua1 Initiation N.A. R M.A.- 1,2,3

.= E .

( ) . (.h ~

kf "

TABLE 4.3.2.1-1-(C:ntinued)-

' ~

ISOLATION ACTUATION INSTRUNENTATION SURVEILLANCE REQUIREMENTS ,

OPERATIONAL' h CHANNEL g -

CHANNEL CHECK.

FUNCTIONAL TEST CHANNEL CALIBRATION COPOITIONS FOR WHICH SLRVEILUKEREQUIRED g TRIP FUNCTION

.n

7. SECONDARY CONTAltMENT ISOLATION c a. Reactor Vessel Water Level Low, Low - Level 2 S R 1, 2, 3 5

w Q

- b. Drywell Pressureff - High S Q R 1,-2, 3 c.l. Refueling Area Unit i Ventilation Exhaust Duct Radiation - High S Q  ; R *f

2. Refueling Area Unit 2 Ventilation Exhaust Duct Radiation - High S Q R *f
d. Reactor Enclosure Ventilation Exhaust Duct Radiation - High.. S Q R 1, 2, 3 p g rcre h

-t' Od side Atmosphere To Reactor

  • Enclosure A ~ssure - Low N.A. M Q 1, 2, 3 ,

f ,_ ,

h 4er f./ Outside A sphere To Refueling /
  • 9g ;p., Area A Pressure - Low / N.A. M 741
g. Reactor Enclosure Manual Initiation N.A. R N.A. 1,.2, 3 -

m E h. Refueling Area Manual : Initiation N. A. . R N.A.

  • n an or (2 during CORE liF m *ALTERATIONS, Required whenor(1)( handling irradiated 3 3) during operations with afuel potential in theforrefueling draining the area secondary reactor vesse containment'l with)th p head removed and fuel in the vessel.

. **When not administrative 1y bypassed and/or when any turbine- stop valve is open. .

'S

'fDuring operation of the associated Unit 1 or Unit 2 ventilation exhaust system.

(

w ffThese trip functions-(2a, 6b, and-7b) are commen to the RPS actuation trip function. j- -

i

. eo P

. - ~ . . , . , - . .*.w .,....--, ,,, . ,-.-,em.-.,,-,s..,,-..--w, , .,o, .....-.r-+ r. 6 -,- ..r- r-. ,v-*-re 4- mcw,m.i2-%,. ==.e-%,me, -.w.,%..-rw.-.s. ,~wa,<e. w.- . - . -. . . - .~.---,.n..-.+,%- _. m_m ...2- --.

TABLE 3.6.3-1 (Continued)  :

PART A - PRIMARY CONTAINMENT ISOLATION VALVES R

^ INBOARD OUTBOARD ISOL.

  • PENETRATION FUNCTION ISOLATION ISOLATION MAX.ISOL. SIGNAL (S), NOTES P&ID c
  • NUMBER BARRIER BARP.IER TIME.IF APP. IF APP.

(SEC)(26) (20)

~

025 DRYWELL PURGE SUPPLY HV57-121(X-201A) 5** B,H,S, W,R, ? 3,11,14 57 HV57-123 5** B,H,S W,R, ' 3 11,14 HV57-109 6** B,H,5 , W,R, II

/c /

H(X-201A)

V57-131 5** B,H,5 , W,R, 'a 11 X-201Ag

/ 'e1 V57-13 6** B,H,S, W,R, 11 HYDROGEH RECOMBINER "B" HV57-163 9 B,H,R,S t 3,11,14 INLET . $ w, FV-C-00-101B 90 8,H,R,5 11 026 DRYWELL PURGE EXHAUST HV57-114 5** R/T "4 3,11,14,33 57 T' HV57-L11 15** B,H,S,"W,%)lkD B,H,5, , R, "

11 M SV57-139 5 10 6**

HV57-115 B,H,S, W,R 11,33 HVF7-117 5** B , H , S ,i Rt 11 5V57-145 5 B,H,R, 11

, HYDR 0 GEN RECOMBINER "A" HV57-161 9 B,H,R,S 3,11,14 m INLET

" FV-C- D0-101 A 90 B,H,R,S 11 E cy,027A CONTAINMENT INSTRUMENT 59-ll28(CK) NA 59 g: GAS SUPPLY TO ADS VALVES HV59-151A 45 M '

m 9

  • 3' H,M,&S 028A-1 RECIRC LOOP SAMPLE HV43-1F07) 10 B 43 p -

HV43-lF020 10 B w 028A-2 DRYWELL H2/02 SAMPLE SV57-132 5 B,H,R,5 11 57

." . SV57-142 5 B,H,R,5 11 8 028A-3 DRYWELL H2/02 SAMPLE SV57-134 5 B,H,R,S 11 57 SV57-144 5 B,H,R,S 11

[{'

,u .

di u)

?

, .. 3901000402 y TADLE 3.6.3-1 (Continued? * -

PART A - PRIMARY CONTAINHENT ISOLhTION VALVES C .-

if, -

inn 0ARD DUTBOARD ISOL.

5 PENEIRATION filHCII0ft ISOLATION ISOLATION . HAX. l SOL. SIGNAL (S), NOTES P&ID 9 IlUMBER DARRIER BARRIER TIME.IF APP. IF APP.

(SEC)(26) (20)

C 5

  • SV57-191 -

5 D.II,R,5 11 (X-220A) ,

116 STANDBY LIQUID CONTROL 48-1F007(CK) NA 48 (X-42) llV48-1F006B 60 29 1170-1 DRYWELL RADIATION SV26-190A 5 II,II, R,5 11 26 MONITORING SUPPLY . SV26-1900 5 B,ll,R,5 11 0

1178-2 DRYWELL RADIATION SV26-190C 5 D.II R.S 11 26 I HONITORING RETURN SV26-1900 5 B ,ll, R , 11 q g (I 201A SilPPRESSION POOL PilRGE IIV57-124 5** R,ll,5, W,R, .T 3,11,14 57 c.

R' SUPPLY llV57-131(X-25) 5** B,11,S, W,R, 3,11,14 to IlV57-109(X-25) 6** B .II. S , W,R 11 al (

? IIV57-147 6** B,ll S. W,R .-t-

[p, llV57 ,121(X"25) 5** -

B.II,S, W,Rh,11 fd ilYDROGEN RECOMBINER "B" llV57-164 9 B,ll,R,5 ,11,14 d d I d .J

,@ EXilAtlST llV57-169 9 D,ll,R,Sg 11 68 202 SUPPRESSION POOL PURGE IIV57-104 5** D II.S1W, , 3,11,14,33 57 EXilAUST liv 57-105 . 15** B ,11, S , 'R, /11

,@ llV57-112 6** B ,II . S , W 11, 33 IIV57-118 5** 11 . 11 , S , ,R 11 SV57-185 5 R.II.R. 'l l I

h IlYDROGEN REC 0HDINER "A" IIV57-162 9  !!,lI,R S' 3.11,14 g EXllAUST llV57-166 9 R,ll,R,5 11 h 203A(R,C,0) RilR PilHP SilCTION ilV51-1F004A(II, 240 - 4,22, 51

, .o C.D) 29

  • ~

PSV51-1F030A NA 19,22 U -, (R,C,D)

N.

O .. ~

vi.

l

i- .

i ,

3901.0387'20 i

_ TABLE 3.6.5.2.1-1 REACTOR ENCLOSURE SECONDARY CONTAINHENT VENTILATION SYSTEM AUTOMATIC 150LATION VALVE 5 -

REACTOR ENCLOSURE (ZONE I) "MAXIMUH ISOLATION TIME 150LATIQ

'(ALVE ~ UNCTION , ($ecenes) $1GNAL54*)

1. Reae cr Enc 1csure Ventilation
  • Su;oly valve MV-76-107
  • 5 E,a,5 ~
2. Reactor Enclosure Ventilation Supply valve HV-75-108 5 E,H,5, J
3. Reactor Enclosure Ventilatien Exhaust -

Valve HV-76-157 .

5 E H.5 I 4

Reactor Enclosure Ventilatien Exhaust Valve HV-76-158 5 E,H,5,U

5. Reactor Enclosure Equipment Cempartment Exnaust Valve HV-75-141 5 E,H,5, J -
6. Reacter Enclnsure Ecutement Cempartment -

/

Exhaust Yalve HV-76-142 5 E,H,5, 0

7. Drywell Purge Exhaust Valve HV-76-030 5 E,H,5, U R, i
8. Drywell Purge Exhaust Valve HV-76-031' 5 E,H,5, i, T
9. Drywell Purge Exhaust Inteard 5 E,H,5,U, <, R 4

T Valve HV-57-214 (Unit 2) f

10. Drywell Purge Exhaust Outbeard 6 E,H,5,U,e,R, T  !

Valve HV-57-215 (Unit 2) / ,

/

11. Suppression Pool Purge Exhaust 5 E,H,5, US, R , T.

Intoard Valve HV-57-204 (Unit 2) / /

12. Sucpression Pool P. urge Exhaust 6 Outtoard Valve HV-57-212 (Unit 2) E,H,5g,v,Rg p

b d e_k e_ b L M W-oS-o ,

I

(*)See Specificatien.2.3.2, Table.3.3.2-1, for isolatien signals that c;erate eacn autcmatic valve.

LIHERICK - UNIT 1 3/4 6-49 Amen eent No. 23 RM 2 2 339

L t 3892300bzu

~

. . 1 TABLE 3.6.5.2.2-1 *

[

n i REFUELING AREA SECONDARY CONTAINMENT VENTILATION SYSTEM AUTOMATIC I5OLATION VALVE 5 .

,~

REFUELING AREA (IONE III)

  • MAXIMUM  !

ISOLATION TIME ISOLATI  ;

VALVE FUNCTIDA SIGNALSg)

(Secon's)d i

1. Refueling drea Ventilation Supply Valve HV-76-117 (Unit 1) 5 Rh i
2. Refueling Area Ventilation Supply Valve HV-76-118 (Unit 1) 5 R 7

/I -

3. Refueling Area Ventilation Exhaust -

Valve HV-76-167 (Unit 1) 5

4. Refueling Area Ventilation Exhaust R T O I

Valve HV-76-168 (Unit 1) 5 T.

5. Refueling Area Ventilation Supply R 1

[ej h

/ i 6.

Valve HV-76-217 (Unit 2)

Refueling Area Ventilation Supply 5

RJ

.3 f-

[l  ;

Valve HV-76-218 (Unit 2)

7. Refueling Area Ventilation Exhaust 5 R O

J dl Valve HV-76-267 (Unit 2) 5 R,T T[

8. l i Refueling Area Ventilation Exhaust i

Valve HV-76-268 (Unit 2) 5 R,*T

'1 f 4 l l

'. 9. Drywell Purge Exhaust Valve HV-76-030 V P i 5 E,H,5 U ,

10. Drywell Purge Exhaust Valve HV-76-031 5 B,H,5 tJ, R ,
11. Drywell Purge Exhaust Inboard f,i i

'i 5 B,H,5 W, R ,T)

Valve HV-57-114 (Unit 1) 1 12 Drywell Purge Exhaust Outboard r ..  ;

6 E,H,5 ,y,I,R,T W "

Valve HV-57-115 (Unit 1)  !  ;  ;

13 Suppression Pool Purge Exhaust Inboard '

5 B,H,5 Valve HV-57-104 (Unit 1) M,W,R,Tf i ,

! Ih l 14 Sucpression Pool Purge Exhaust Outboard '

6 t

B,H,Sg,W,R$)

Valve HV-57-112 (Unit 1) L <

l 0

LIMERICK - UNIT 1 3/4 6-51 Jt;); 2 2 t!!1 '

Amendment Ho.23

. - - a

=# V / L .# U W .4 4. V .

TABLE 3.6.5.2.2-1 (Continued)

REFUELING AREA SECONDARY CONTAINMENT VENTILATION SYSTEM .

, AUTOMATIC ISOLATION VALVES ,~ -

REFUELING AREA (ZONE III) MAXIMUM' ,

ISOLATION TIME ISOLATI VALVE FUNCTION _ (Seconds) SIGNALSgg) .

15. Drywell Purge Exhaust Inboard 5- B',H,5 T.

Valve HV-57-214 (Unit 2) .

/U W,R

[

16. Drywell Purge Exhaust Outboard 6 B,H,S, W,R  !

, Valve HV-57-215 (Unit 2) l_

17. Suppression Pool Purge Exhaust Inboard 5 B,H,5, W,R ,T/

Valve HV-57-204 (Unit 2) j / [

18. Su;:pression Pool Purge Exhaust Outboard 6 B,H,S,@,W,R Valve HV-57-212 (Unit 2) ba\h % f _ l ,

uus- m-u l

i 1

I

. l 1

("I See Specification 3.3.2, Table 3.3.2-1, for isolation signals that 1 operate each automatic isolation valve.

I  !

LIMERICK - UNIT 1 3/4 6-51a Amendment No. 23 jllli 2 21!11 1

o

-- a .

r. TABLE 3.3.2-1 (Continued) .. -

y ISOLATION ACIUATION INSTRUMENTATION -

El .

M x

HINIMUM APPLICABLE ISOLATI OPERABLE CilANNE OPERATIONAL

' TRIP FUNCT10N SIGNAL {g) PERTRIPSYSTEM(g) CONDITION ' ACTION E

y 6. PRIMARY CONTAINMENT ISOLATION to

a. Reactor Vessel Water Leve! l
1) Low, low - Level 2 0 2 1,2,3 20 {
2) . Low, Low, low - Level 1 C 2 1,2,3 20 l e

)

b. Drywell Pressure - IIIDh 11 2 1,2,3 20  ;
c. North Stack Effluent '

Radiation - liigh (U)~ W 1 1,2,3 23

$ d. Deleted

^

e. Reactor Enclosure Ventilation Exhaust Duct-Radiation - liigh S 2 1,2,3 ,

23 .ko % f' y O

. Oiitside Atmosphere to. Reactor N Y Enclosure a Pressure - Low U 1 1, 2, 3' {

g. Deleted Oo %

C/)

h. Drywell Pressure - liloh/ ,

@Q '9:

Reactor Pressure - Low G 2/2 1,2,3 26 ----

O

1. Primary Containment Instrument H 1 1,2,3 26 3 c-+.

Gas Line to Drywell A .

O Pressure-Low ,

g

j. Manual initiation ,

NA 1i 1, 2, 3 24 T

=

O

~

11 5m O

g .

8 , ,

I. E? . ,

g.

w,W.

[

Y y ,

TABLE 3.3.2-1 (Continued)

ISOLATION ACIVATION INSTRUMENTATION 9 -

ISOLATI MININUM APPLICABLE .

^ TRIP FUNCTIDH .

SIGNAL {g)'(c)OPERABLECilANNElfb) OPERATIONAL c PER TRIP SYSTEM CONDITION ACTION

% 7. SECONDARY CONTAINNENT ISOLATION

a. Reactor Vessel Water Level *

.I Low, low - Level 2 B 2 1, 2, 3 25 . ' .

, b. Drywell Pressure - lilgh 11 2 1, 2, 3

,. 25 c.1 RefuelinD Area Unit 1 Ventilatidn *y Exhaust Duct Radiation - lilDh R 2 25 .

2. RefuelinD Area Unit 2 Ventilation *,

y Exhaust Duct Radiation - liigh R 2 25 ,

w d. Reactor Enclosur~e Ventilation Exhaust h Duct Radiation - !!!gh' S . 2 1,2,3 25 -

Out life' Atmosphere E Idsure A Pressur To/

Low Reactor U 1 1,2,3 2

& g[ g fec -

lut %C-o9-0j f Outside Atmosphe To Refuel'Ing Area a Pressur - Low 1 * .

/ 25/

0 Reactor Enclosure Manual Initiation NA 1 ,1, 2, 3 -

24 ,

h. RefuelinD Area Manual Initiation NA ~1
  • 25 t

Ut .

(2 ~

12

  • . l ti, l

58 TABLE 3.3.2-1 (Continued) '

i TABLE NOTATIONS

\

I (c) Actuates secondary containment isolation valves shown in Table 3.6.5.2.1-1 '

and/or 3.6.5.2.2-1 and signals B, H, 5,(E R and(3)also start the standby gas treatment system. g (d) RWCU system inlet outboard isolation valve closes on SLCS "B" initiation.

RWCU system inlet inboard isolation' valve closes on SLCS "A" or SLCS "C" initiation.

(e) Manual initiation isolates the steam supply line outboard isolation valve and only following manual or automatic initiation of the system. -

In the event of a loss of ventilation the temperature - high setpoint may bs (f) raised by 50 F for a period not to exceed 30 minutes to permit restoration of the ventilation flow without a spurious trip. During the 30 minute period, an operator, or other qualified member of the technical staff, shall observe the temperature indications continuously, so that, in the event of rapid increases in temperature, the main steam lines snall b.e manually isolatec. ,

(g) Wide range accident monitor per Specification 3.3.7.5.

i l

l LIMERICK - UNIT 2 3/4 3-17 Amendment No.17 t!C 17 i'i.i l

- i l

. \

g

/']

  • i. .

,f  ; .;

TABLE 3.3.2-2 (Continued) .

C' . .

' -M ISOLATION ACTUATION INSTRUMENTATION SETPOINTS y .

E i ALLOWABLE e TRIP FUNCTION , TRIP SETPOINT VALUE -

5  :

6. PRIMARY CONTAINMENT ISOLATION

[

a. Reactor Vessel Water Level ,
1. Low, Low - Level 2 > -38 inches * > -45 Inches
2. Low, Low, Low, Level 1 E-129 inches * ,

[-136 inches

b. Drywell Pressure - ljigh ,

5 1.68 psig 5 1.00 psig c'. North Stack Effluent Radiation - fil0h -

$ 2.1 pCl/cc $ 4.0 pCl/cc s

  • d. Deleted -

Y N. e. Reactor Enclosure Ventilation Exhaust Duct - Radiation - ll! Dh . $ 1.35 mR/h 5 1.5 mR/h

f. OtifbeAtmospher o Reactor En tfsure

> 0.1" Il heehe be -

Pressure - Lp > 0. 0"[ ,gg y- o C - t D -

D. Deleted

h. Drywell Pressure - liigh/ - .

$ 1.68 psig/ 5 1.'80 psig/

Reactor Pressure - Low > 455 ps,1g (decreasing)

> 435 psig (decreasing)-

1. Primary Containment Instrument -> 2.0* psi > 1.9 psi Gas to Drywell A Pressure-Low , .

. c:

J. Manual Initiation N.A. N.A.

N U1 .

5 -

4 et.

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

n

.~

g TABLE 3.3.2-2 (Continued) , . , ,

') ' ISOLATION ACTUATION INSTRUMENTATION SETPOINTS , ,

N i .

ALLOWABLE E TRIP FUNCTION TRIP SETPOINT VALUE A

  • m 7. SECONDARY CONTAINHENT ISOLATION
a. Reactor Vessel Water Level -

Low, low - Level 2

~~~'"'

1-38' inches

  • 1 -45 inches
b. Drywell Pressure - lilah $ 1.68 psl0 '$ 1.88 psig c.1. Refueling Area Unit 1 Ventilation
  • Exhaust Duct Radiation - liigh < 2.0 mR/h $ 2.2 AR/h

$ 2. RefuelinD Area Unit 2 Ventilation y Exhaust Duct Radiation - lil0h < 2.0 mR/h < 2.2 mR/h m -

" Reactor Enclosure Ventilation Exhaust

d. -

. Duct Radiation - liigh < 1.35 mR/h

< 1.5.mR/h Du tie Atmosp ressure -

To Reactor closure

> .1" l120 > 0. 0" 11 Q M @ <.r-t t,[a_ o S -O 9 - O

~

i l t

. Outside osphers To _ fueling Area A Pr re - Low 10.1"l0 1 0" !!20

g. Reactor Enclosure Manual '

Initiation -

N.A. N.A.

h. Refueling Area Manual Initiation N.A. N.A.
  • See Bases Figure B 3/4 3-1. .

~

    • The low setpoints are for the RWCU lleat Exchanger Rooms; the high setpoints are for the pump rooms.

5o '

~'

El? -

. 8 .

.- - i , pt

,s ,

7 g

. TABLE 3.3.2-3 (Continued) , ,

~ '

ISOLATION SYSTEM INSTRUMENTATION RESPONSE TIME TRIP FUNCTION RESPONSE' TIME (Seconds)# ,

6. PRIMARY CONTAINMENT ISOLATION ,
a. Reactor Vessel Water Level -

. 1) Low, Low - Level 2 -

1 13(a)

2) Low, Low, Low - Level 1 $ 13(a)
b. Drywell Pressure - High . I 13(a) .
c. North Stack Effluent .

Radiation - High N/A.

d. Deleted
e. Reactor Enclosure Ventilation Exhaust Duct - Radiation - High H.A. -

e Atmospher o ReactorJetlosure ..

g. Deleted ,
h. Drywell Pressure - High/ -

O .

Reactor Pressure - Low N. A. t ,

i. Primary Containment Instrument Gas to N.A. *

(

Drywel.1 A Pressure-Low O L. f j.

Manual Initiation . H.A. W W-

7. SECONDARY CONTAINMENT ISOLATION

~

- O g

a. Reactor Vess'el Water Level Low, Low - Level 2 N.A. d Ud
b. Drywell Pressure - High N.A. g c.1. Refueling Area Unit 1 Ventilation d Exhaust Duct Radiation - High H. A.
2. Refueling Area Unit 2 Ventilation Exhaust Duct Radiation - High N.A.
d. Reactor Enclosure Ventilation Exhaust Duct Radiation - High H.A.

. side A phere to ctor Enclosu Pressur Low H .

~..

LIMERICK - UNIT 2 3/4 3-25 AUS251313

_ 9-

~

. c. . , .

v . ..

TABLE'3.3.2-3'(Continued). ,

j ISOLATION SYSTEM INSTRUMENTATION RESPONSE TIME TRIP FUNCTION RESPONSE TIME (Seconds W g.

P e?

l P L C-R W'OS~O Reactor Enclosure Manual _

. Initiation ~

. ?L A. '

h. Refueling Area Manual Initiation N.A. -

.i TABLE NOTATIONS. -

-(a) Isolation ' system instrumentation response -time'specified includes 10 seconds:

diesel generator starting and 3 seconds for sequence loading delays. *

(b) DELETED l

  • Isolation system instrumentation response time for MSIV only. No diesel , .;

generator delays assumed for MSIVs.  ;

=** Isolation system instrumentation response time for associated valves except MSIVs.

i

! Isolation system instrumentation response time specified for the Trip  :

Function actuating each valve group shall be added to isolation time  !

shown in Tables 3.6.3-1, 3.6.5.2.1-1 and 3.6.5.2.2-1 for valves in each 1 valve group to obtain ISOLATION SYSTEM RESPONSE TIME for each valve. i

  1. ! With 45 second time delay.

-l i

t t

FEB 1 6155

.. LIMERICK - UNIT 2 3/4 3-26 Amenir.ent No. 52

z.

- - * . . . l i

TABLE 4.3.2.1-1(Ccntinued)

ISOLATION ACTUATION INSTRUMENTATION SURVEILLANCE REQUIREMENTS ,

e -

- CilANNEL OPERATIONAL.

CllANNEL FUNCTIONAL CllANNEL CONDITIONSFORS111011 9 TRIP FUNCTION CllECK_ TEST CAllllRATION SURVEILLANCE REQUIRE

6. ' PRIMARY CONTAINHENT ISOLATION n .

.i u -

a. Reactor Vessel Water Level R ' 1, 2, 3

.1) Low, low - Level 2 S Q Low, Low, low - Level 1 5 Q R- -

1, 2, 3 .

2)

R 1, 2, 3

h. Drywell Pressure if - liigh 5 Q
c. North Stack Effluent R 1, 2, 3 Radiation - liigh S Q m d. Deleted 7

u e. Reactor Enclosure Ventilation 1, 2, 3 Exhaust Duct - Radiation - Illgh S Q . R ,

O _

u re si

. H ,

%3

g. Deleted be\oAs hd L c R M O y, h. Drywell Pressure 'lil0h / .

R 1, 2, 3

- S Q gM Reactor Pressure.- Low 3 5

1. Primary Containment Instrument N.A. H , Q 1, 2, 3

" r Gas to Drywell A Pressure - Low ,

E N. A. I R N.A. 1, 2, 3

j. Manual Initiation

{

w m

eo, I, ' .

lif.

,c TABLE 4.3.2.1-1 (Continued)

C ISOLATION ACTUATION INSTRUMENTATION SURVEILLANCE REQUIREMENTS x

$ CilANNEL OPERATIONAL p CllANNEL FUNCTIONAL TEST CilANNEL CALIBRATION CONDITIONS FOR WilICH SURVEILLANCE REQUIRE

, TRIP FUllCTI0fl CHECK E 7. SECONDARY CONTAINMENT ISOLATION ,

(

'Z a. Reactor Vessel Water Level m Low, Low - Level 2 S Q R 1, 2, 3

b. Drywell Pressure ## - liigh S Q R 1, 2, 3 c.1. Refueling Area Unit 1 Ventilation *#

Exhatist Duct Radiation - liigh  ? Q R

2. Refueling Area Unit 2 Ventilation Exhaust Duct Radiation - liigh S Q R *#

w d. Reactor Enclosure Ventilation 1, 2, 3

'l Exhaust Duct Radiation - liigh S Q R  !

j w -

To Reactor 4, c. utside Atmosphe t Enclosure A Pr sure - Low N.A. 1, 2 3

~ Q {

. Outside Atm phere To Ref eling

  • j Area A Prp sure - Low N.A. M Q
g. Reactor Enclosure dew 9e S y

m Manual Initiation. N.A. R N.A. C # C 0 9 , 2, 3 d '

9.

I O h. Refueling Area g

  • p, Manual Initiation N.A. R N.A. .

x

~m 0 ,

l].,,

  • Required when (1) handling irradiated fuel in the refueling area secondary containment, or (2) during CORE

{

w ALTERATIONS, or (3) during operations with a potential for draining the reactor vessel with the vessel

~

head removed and fuel in the vessel.

9J

' **When not administrative 1y bypassed and/or when any turbine stop valve is open.

M #During operation of the associated Unit 1 or Unit 2 ventilation exhaust system.

    1. These trip functions (2a, Gh, and 7b) are common to the RPS actuation trip function. l 4 ,

c p

TABLE 3.6.3-1 (Continued) ..

C g PART A - PRIMARY CONTAINMENT ISOLATION VALVES iS -

E 1 INBOARD OUTBOARD ISOL.

E PENETRATION FUNCTION ISOLATION ISOLATION MAX.ISOL. SIGNAL (S), NOTES P&ID ti NUMBER BARRIER BARRIER TIME.IF APP. IF APP.

m (SEC)(26) (20) 025 DRYWELL PURGE SUPPLY HV57-221(X-201A) 5** B,H,SMW,R 3,11,14 57 HV57-223 5** B,H,S, U, W,R, 3,11,14 HV57-209 6** B,H,S,U: W,R, 11 (X-201A)

HV57-231 5** B,H,S,U,W,R, 11 (X-201A)

HV57-235 6** B , H , S ,- W,R,J/@d ll HYDROGEN RECOMBINER HV57-263 9 ^

B,H,R,g {3,11,14 "B" INLET FV57-DO-201B 90 8,H,R,S -

11,34 j

^

026 DRYWELL PURGE EXHAUST HV57-214 5** B,H,S,MW,R/Py e 3,ll,14,33 57 7' HV57-211 15** B,H,S,U ,R  %'

SV57-239 5 / "1110 HV57-215 6** B,H,S,U ,W, ,T 11,33 HV57-217 5** B,H,S,(hR 11 SV57-245 5 B,H,R,S 11 HYDR 0 GEN RECOMBINER HV57-261 9 B,H,R,S 3,11,14 "A" INLET FV57-DO-201A 90 B,H,R,5 11,34 sm B CONTAINMENT INSTRUMENT 59-2128(CK) NA 59

@ ~E 027A GAS SUPPLY TO ADS VALVES H,M,&S HV59-251A 45 M n e 028A-1 RECIRC LOOP SAMPLE HV43-2F019 10 B 43 f me3 HV43-2F020 10 B 028A-2 DRYWELL H2/02 SAMPLE SV57-232 5 B,H,R,S 11 57 SV57-242 5 B,H,R,S 11 1

028A-3 DRYWELL H2/02 SAMPLE SV57-234 . 5 B,H,R,S 11 57

.SV57-244 5 B,H,R,5 11

,4 C TABLE 3.6.3-1.(Cr.n!.inued) .

E PART A - PRIMARY CONTAIH6ENT ISOLATION VALVES

~

o .

INBOARD OUYBOARD M PENETRATION FUNCTION ISOL.

ISOLATION ISOLATION MAX.ISOL. SIGNAL (S),

7 NilHDER DARRIER BARRIER T1HE.IF APP. IF APP.

NOTES P&ID c.

(SEC)(26) s SV57-291 (20) 5 0,li,R,5 11 -

[ (X-220A) 116 STANDBY LIQUID CONTROL 40-2F007(CK) NA 48 (X-42) IIV48-2F006D 60 29 1170-1 DRYWELL RADIATION SV26-290A , 5 D,II,R,5 11 26 HONITORING SilPPLY SV26-290n 5 B,II,R,5 11 1178-2 DRYWELL RADIATION SV26-290C 5 B II R,5 11 26 HONITORING RETURN SV26-2900 5 B,II,R,5 11 201A 5**

g SUPPRESSION POOL PURGE IIV57-224 -

nII,5MW,Rh3,11,14 57 g SUPPLY llV57-231(X-25) . 5** 0 ,11, 5 g,W,R,1 3,11,14 m

A IIV57-209(X-25) 6** D .II, S ,8 W,RJ 11 d

  • IIV57-247 llV57-221(X-25) 5**

Ga* B ,11, S , W,R, B ,II, f,, aW,R, 11 b6

, 11

  • 4 IlYDROGEN REC 0HBillER llV57-264 9 B ,II, R ,5 -3,11,14 "I)" EXilAUST -

.~7 IIV57-259 9 B ,ll,'R , S G 11 C _03 202 SUPPRESSION POOL PURGE IIV57-204 5** B,II,5 ,W,f111,14,3357 3

EXIIAllST llV57-205 15** B ,II,5, ,R, 11 IIV57-212 Ga* B ,il, S , ,W, ,T 11, 33 IIV57-218 5** B ,11, S , ,R, 11 SV57-285' 5 0,II, R , 11 IlYDROGEN REColflINER IIV57-262 9 R,II,R,5 3,11,14 "A" EXilAUST llV57-26G 9 R,II,R.S 11 203A(0,C,0) RilR PUHP SilCTION llV51-2F004A 240 4,22, 51 y .

(D.C,0) 29 E' '

PSV51-2F030A NA 19,22

",, (II,C ,0) .

55

_______.____.m.-.m.___ _ _ _ . _ _ _ _ _ _ . _ _ _ _ _ _ _ i___-__m. - - _-. __ _ w--e--w_ _s---ev-- -

--w- -

s-en- - - -

-v--- 3

27/lo/es noN 15:38 FAI 610 718 3324 PECO ENERGY / LGS A++ CB b C @ 001

, a'. .

s .g TABLE 3.6.5.2.1-1 -

REACTOR ENCLOSURE SECONDARY CONTAINNENT VENTILATION SYSTEM AU UMATIC I5OLATION VALVE 5 ,

REACTOR ENCLO5URE (ZONE II) MAXDEM . ~

ISOLATION TIME ISOLATI

-VALVE FUNCTION (Seconds) SIGNALSgg)

1. Reactor Enclosure Ventilation q Supply Valve HV-75-207 -

5 8,H,5 Uj

2. Reactor Enclosure Ventilation Supply /

Valve'HV-75.208 .5 . . A,H,5, U

3. Reactor Enclosure Ventilation Exhaust -

/

Valve HV-76-257 5 -

8,H,5,U ~

4. Reactor Enclosure ventilation Exhaust / )

Valve HV-76-258 5 , 8,H,5,U )

5. Reactor Enclosure Equipment Compartment l Exhaust Valve W-76-241 " B,H,5,
5. Reactor Enclosure Equipment Caspartment B,H,5 u/

Exhaust Valve HV-76-242 ,

, 5 i

7. Drywell Purge Exhaust Valve HV-76-030 5 B,H S, U R ,T f
s. Drywell Purge Exhaust Valve HV-76-031 5 8,H,5,0 R
9. Drywell Purge Exhaust Inboard Valve 5 B,H,5,U W, T W-57-114 (unit 1)

. /

'_ 10. Drywell Purge Exhaust outboard valve E 8,H,5 U,W,R,T) .

HV-57-115 (Unit 1) ,

/

11. Suppression Pool Purge Enhaust Inboard Valve 5 8,H,5 U ,W,R,T; HV-57-104 (Unit 1) /  !
22. . Suppression Pool Purge Exhaust Outboard E 8,0.5, ,W,R,T

/ '

Valve HV-57-112 (Unit 1) p cD al b P* I t,cJL 9.5~09 'O \

. 1

(*)See.5pecification 3.3.2 Table 3.3.2-1, for isolation signals that operate

-s each automatic valve.

LIERICK - UNIT 2 ' 3/4 6-49 202515M 07/10/95 MON 14:39 ITX/RI NO 5953] @ 001

,y4 3 *i

. . , . . s.. y-3 TABLE 3.6.5.2.2-1 . .

(I ~ REFUELING AREA SECONDARY-CONTAINMENT VENTILATION SYSTEM AUTOMATIC ISOLATION VALVE 5 -

~

REFUELING AREA'(ZONE III) -

MAXIHUM ISOLATION TIME ISOLATI VALVE' FUNCTION (Seconds) SIGNALSgg)'

1. : Refueling Area Ventilation Supply -

., . ' Valve HV-76-117 (Unit 1) 5 Rh .

. 2. ' Refueling Area Ventilation Supply

Valve'HV-76-118 (Unit 1) 5 Ry

[ o[I0

3. Refueling Area Ventilation Exhaust- - -

~ Valve HV-76-167 (Unit 1) 5 R b

4. Refueling Area Ventilation Exhaust '

/

1-Valve HV-76-168 (Unit 1) . 5- .R lT d ,d

5. . Refueling Area Ventilation Supply / ('

c Valve HV-76-217 (Unit 2) 5 R,T p j g

6. Refueling Area Ventilation Supply 1 O V Valve HV-76-218 (Unit 2)- J
7. Refueling Area Ventilation Exhaust Valve HV-76-267 (Unit 2) 5 5

R R

p/

?

8. Refueling Area Ventilation Exhaust- /

, Valve HV-76-268 (Unit 2) 5 R$. g/O

'.,, 9.

Drywell Purge Exhaust Valve HV-76-030 r

5 .B,H,5 # RJ

10. Drywell Purge Exhaust Valve HV-76-031 5- B,H,5)Jr, R,T
1. .
11. Drywell Purge Exhaust Inboard 5 B,H,Sg, W,R T .

Valve HV-57-114 (Unit 1)

.i .

12. Drywell Purge Exhaust Ou 6- -B H,5, 0. W,R,7 Valve HV-57-115 (Unit 1),tboard /

N

13. Suppression Pool Purge Exhaust Inboard 5 B H.SI W,R.T Valve HV-57-104 (Unit 1) /

/ ,

/

14. Suppression Pool Purge Exhaust Outboard 6 B,H,5 4W,R $

Valve HV-57-112 (Unit 1)

LIMERICK - UNIT 2 3/4,6-51 25M e

]3.

i l

-)

b TABLE 3.6.5.2.2-1 (Continued) ,

REFUELING AREA SECONOARY CONTAINMENT VENTILATION SYSTEM. (

AUTOMATIC ISOLATION VALVES ,

REFUELING AREA (ZONE III) MAXIMUM  !

ISOLATION TIME ISOLATI  ;

. (Seconds)

SIGNALSgg)  ;

.. VALVE FUNCTION

'~

15. Drywell Purge Exhaust Inboard -

5 .B,H,5%W,R.9 I Valve HV-57-214 (Unit 2) .

7 /

16. . Drywell Purge Exhaust Outboard Valve HV-57-215 (Unit 2) 6 B,H,5, U ,W,R

/

p '

/

17. Suppression Pool Purge Exhaust Inboard 5 B ,H,5, d W,R I Valve HV-57-204 (Unit 2) , p 7
18. Suppression Pool Purge Exhaust Outboard 6 B,H,5f.W,Rf Valve HV-57-212 (Unit 2)  ;

Qc_le4e_ P'r f

.tcR %5- o g- o - l

( -

. s ..  ;

\

P o

i I

1 l

(a) See Specification 3.3.2 Table 3.3.2-1, for isolation signals that -

operate each automatic isolation valve. .

(

s. .

LIMERICK - UNIT /1 3/4 6-51a AUG 2 51953

Retrieved from "https://kanterella.com/w/index.php?title=ML20086U455&oldid=2732479"