ML21305A112

From kanterella
Jump to navigation Jump to search
6 to Updated Final Safety Analysis Report, Figure 8.3-11, Sheet 2 of 2, Drawing 441354-1, Electrical Schematic Diagram 4160 Kv Bus Section H Automatic Transfer
ML21305A112
Person / Time
Site: Diablo Canyon  Pacific Gas & Electric icon.png
Issue date: 10/11/2021
From:
Pacific Gas & Electric Co
To:
Office of Nuclear Reactor Regulation
Shared Package
ML21306A142 List: ... further results
References
DCL-21-074
Download: ML21305A112 (1)


Text

I t,S£ I t,ll 2 3 ~ 5 0

6 7 ~ 8 9 10 IA/3LE OF O£VIC£5

/)£VICE N° I FUAIC TJON ,£'£MARKS

+KV BUS l 1/_V 12) VIC IStrf'TCHulsE~fY,/S4J7825/Jl>

IAIIJICATION IOC CONTKIJL 1/.V. wro TRANfFFK ro srAirr-uP TRANSFOteMER I SW/TC/I ro J>JESEL GENE~ATO/f:. _~IJI> -~ __

I ,: IIFJ ~. ,sr LEVEL START lH~S#L 3HH1 4 HH 1/JJflEL MIIO]lANJFE/1. INflll.tOCK!N6- RllAY I I I CONTROL KWY ~/}J)

Ei£CTl?IC UJET EUC-TRJ, li1U~T Tl<//' At/.t. TMNSF. 13K~ CLOSE STAKT-tll' Tl?AAIS~ /!,KR  !{ff.SET_ ILOC"°t>UT f'f(OC£SS C,ON"T/'fOL & Clt).Je lJ/ESE, 0/E~IZ~ .AU TO a, I* rn IP MC TOR Lp Ao BKRS. ..,..sw1TcH ro1J1£m 41\'V 81/S UII VSRJ!' B11$ VV 4HH 7 I I

  • I CLOfE //:ELA)' Z925 SHHB ENERGIZE AU TO- TRANSFER TIMERS n,,1fAIIX-l.STMT--IV TMIISF. "<<* LIJ<;<. TMNSF. rtME/<. S}J//13 W£...? EC * .! I Sl-1H 13 4 HH 14 IJWU-DP AVTO TKANSFEI( ClOfE ULA r ~2925 SMH13 I _!_ _! _I_ _Tfl.lP_ /(_ELA(_ FLECTKIC RESET r;:
  • l j T 1 1 . ~ 2 J , }j f 2 Z7HHOC IPC CONTK.Of..1!1Ul /JNOEII.VOI.TA6£ trEl.fr 12Jl+-

~H H ~@ ___ 14 .(f &IJ H AUTO TAANJ,EK tJ/v RELAY XD-03 SHH/;;_ 27HHBI 21' *1 /- J +,,wov,u. lt:lTAb{ W-CAY

-J

. .u I SHH7~ 23

~

it 52HH7 j 27f/HB 2 I I  ! 5rMT DIEJEL U/V 1/ELAY  ! '

o-os- -2 2

---,I t "'

RHH

-r ~f-H 13 I

~;L 2 2i SHIil 2 4 27XHH~Z I I I I u/v AUl, RELAY I1zsvo, w 5 G- 1342925 E I I P3 I 5 XHH I ] 9HH, E~NO 2HHl3-,.

,,. '~.. es B 5""'3 1-" .+l- C 6 ~, 29H-lB 2 ..--r, 2 2H HU ~~

27YHHB 2 I I I I I

I I t j - -I I w SG 13~2925 r"-

cicl I 27HHT1 U/v TRIP KE£ AY(!ST. LEYEL' ff, I* 5 \ ' /0 --

-I - - I *-- (/ST,LEIIEL 2

1~~ . ,:""t CTE 4II ~

iOi j -HH

, __ 13 2 87XHHS 2 SY/ CHI/ - -5 52H/I/J

- - I I~ 2 $.; IlNJTANTAIVtOV.S i ;'" Qlli'

~ I

" - ,am ..,,, I

~27XHHT M

,DR. 11/V 11t1.,4rfsum1Pw,w.J zt,

~ ~ 2\1 ~ 55Yl ~+-:-:---- T 27HH"I ,i., /CS  :

S7A-'T 1)/FUI. U/V All~ KEtAY I1251' /JC w

~

1 J:

5HHl3 Sll/11.3 w ~I CHH PT p7 SSYJ SHtil~ -

r

~ HH l 3 6 17HH32 - I'-'

I SHHl4 Qll7 10 l !1 11 U/Y rRIP REI.AY(2ND LEVEL) REF. 32.

2

~

FCO RG S_ Ii§ 1[

fi/3-RJ/H Sl/1113 fl!¥} ' HB4 ' TJ!C

>2 ""'" """" " " :_,'"""' "I d *' "'"'"Ml KrBIIS II ulv T/(/P AIJJ(. RELAY cLU R CUTOUT SWITCH ltZHDC ELECTRIC IO POLE 5'1/ ASSY

~ES-ET RHH J1WJ88 t filili

~

~[ 'r.'~Tl'B RHH 1'6---0I P8

'i'

'I 14-5ttHl3

-- Slll/14 I All'[O TKA#,&CO~Allt,JleL: 1250e, I W SG 13 42925

{r ,,~*-

~ ~~9 ~ I'

~~

RHH RHH PU 'OK lHI//JEKVOLTA6£ AUi KEUY il ~6 ~

2 2E i5 k 3- *

~

3 s s '""""' - -

17 R~~

rn 14 CG P ~ 1B - P8 r;:;-,-

_R11_s _

is e1xHH T--::r II

.HH I '

/!,/IS H FD/I.. QlcA/11,. KWr'fNH. rlANSF.)

pzr

~1~ lj . . _. _..- __ f; tfPIO] ~

I t

; i 5s1i0i~S"r
C: :*r 3 28 -" ,..,, -'-- C/IH

_ r.;;---:i l.552y2 P27 ?fl.HH P24 - ...i'il? 'i/X 1111

(!Nl'TKANSf__,),-- ~---+-->----_.,_ _ _ _ _ _ _ _ _ __

I*

34 33 3E 211 bsHH13 p22 52HH7 W M~ (P!Efll (j£N£Kiwij ~lb)

1 i RHHO RHH C-- - - - - < 1 1 - - - - - - - - -

5ZHHl2. !PCOOLINS wn*J 12

~ ~

UV-0

,2Hli2/W .52 Hfl13 x.~wn) (2~1 ..)

I

~

  • I- , I cy I '"'"' ,

l., Q """ EI I '

  • I ,- / . Tl ~I 1't /12 TJ 1/J T4 iif 29HHB2 .72.HH 14- (2flS)

J: [:;; 'q;J 1 2 SHH I 2 SHH I 3

" ~ s ,,., RN I ssv ' PZJ ,:-:--::-;-~ I ~ I , - - < l ~ P2 - E'JUHU I fNSr,.,J,JT,A,NEOU.S

""l,i-

\J I ,'}fftt(Jo 2 ' '

2H I

~uu vO

~ '1 1'

I* CG 13 I z llI Pf l /tJJH 7 - I

~ t\l X I

-, _, I

~~

Cl. "-- s P9tQll/ I - T J °' 7,,. --;,,, ""2 """ n 'J I A6 ,~L 7

,~

3 f,ZHHI J START - UP AUTO -rANSFrn T I MER BUS II l48/ 125VOcl w l 11>-S 29 3B301Al3 O.l T04- Si:C , I ro_o

~ ~

~ HII I 4 SCA fl RNSO I 41/HIU 31/HI 27HI-B2 27HH8 27HI-T I

'I,: ~

~ "'"' ~

I PS PS PS G'2H,12 I DIES EL Au-a TRAMSFER TI MER BUSH l125'VDC IAGASTATj£TR ETRI 4D3B 0,55-15 $E.G.

-- i!., l n ,. """-' /Ol'L..=..= _______

~ ~ .AS:r s,-,

~ ~

___ - ~

~ Pl/ P1 RNS-A ll/illi '"'- i!(

""" ,7,- .- fill.!:j f'/1-o T a1I N ~ I Al~& '1/4 86CZ,B6G21 UNI- TRIP LOC KOUT RELAY n, 18 87XH//E, 4 KV 5(/J H OIFF. AUX. IULAr' N

"'i RHH 3HHI L__:~~~=t;;:;;~ -g~,---

8J3*7 Pl'i J11 II "' ,:!

II 1/

1.2HHZ SH/17 l

F'l!J f II i: l.

~J,,

,Bf-J I 3 L...:b 29HHB2 8 4 SHK I 2 N2 - SHH I 3

~ I( 2! /('( MOTOR OP. 0/fC, All,I'. SW.

13 20 jbYgt~c~wl~c~cu~~

CON TACT IS -t L65cD WHEN ~*

I ~

552YZ 1,ooKV P.C.B_ AIIX. .RELAY Ill _OPEN --

H SIIHI < I TDC.-

30

_ -,.,,-, "'.! P.kR<:. I\R r.

23 ElliS1..ll - I ; 7 Bi 8 ____J MI R_H_H I UY-02 30 D L-r---- r---*,-r, ~*____;- - ~H7 - J _j

-,ifi:i ~:

27HHDC - - -- SHJ-11.3 N2

,-i~r 4/fH/4 7 3HH I I , I ~ I 27YHHB2 J -l-fj ]

21XHIIB2 17 I;J -i-;ti l_O_

30

~ ,to~2HHtf;ir -, i~~ I  :~ -;-;-- ;;-;- 7i"-;;-;~ V-1 kl~~ I J- 2'11] 0J 1 I I I ~ I Cl

1  !:  :::11I JO

~ ~ ~ :t ~ t I II\

I I"' i ~ ,._ I ~ ~

~ I I lJ' I

' I " i:f

~ s; ~ ~ ffil ": ": ~ l ~ Tw. . I, ~

I O , e e I I I i §I r-::=, .,.. I it_.. I

  • ~ ~[!!! II t !2 I I N2 I . I1 ,  ;  ;:: I 1 :f / I' I r--;::;::~1 i II I w w w ~

I I I

~~ ~ ~, ~~

~ I I , e:e,= t I I I I*

  • 3 I ~ v~1 v "~l I -~ I I I I CC w~C"
  • j *
  • 4:fL..1£. __~ ~i I ~

W I I ~

-:D-06 ~

..J __B_I

_______ ~'? I I[

I I

I ~%  ;,__[._II I

~-\s co

,:j ,:

-~_J I

~,*=:;;:__-_-,

0

_'.'.2 __j I

I

~,::::i=-- -

I I

~~------

I - M1 Ml

/14

.J I

I L,_ 2_._~__j

a: I I

___ ,i 8

I I 6 2 HH3 B XFR .:, T"'

A2K6 I 7 O~ D7S,:..L::.._-'+/--.:::....:=;::c:..:..:.__:__:_tc-:-:-+=-=+.C.::,F;-.:.:c+-:::-=---1~

-3~~

, TR- 14130-004 TIMER SET © S=i\ff T I MER SE T CONTACT CLOSES

© 20 10

© SEC SEC 26 StC.

<D-04 8if!1J!!l LsEE [)FTAJL *c* f?.HH --L5Ee DE7A1L 'B" SCHEMATIC DIAGRAM 41(;,0 V Bl/I .IECTION "H. At/TOMATIC 1KANIFC-e C/(7. /,JO. HATH NOTES

/.TE5r REUf tO/\'TIIC.T OPEN O/JR/fi6 TEST 2,CONTACTS 11/?E SHOWN IN RESET POSIr1o_N 3,T/1ESE CONTACTS PERMIT TR!PPIN6 OF THE UNIT AllX, TRI/NSF. [jl(R,, O,V 2~ LEYEL u/v WHEN THE OSL 6EN, ,11-'b TIIE (J/1/T AUX. TRANSFAl?E PARALLELED Ir-- 11[,,- ...~12 ~" 3;I 3j;l 4.CONTAC T Cl -C2 MAY AL LOW VOLTAGE READ I NG ACROSS AN IN - ERNAL HIGH 11 J ~16 21 22 15 26 31! 32

- ... ~

., I IMP EDANCE TRIP Cl~C UIT MONITOR ITCMI WH ERE NO VO LTAGE IS EXPECTED

,,~, I I 8lli12 llY p, I r 5/fff/2

'l:j.

"'~ "' """"

'u' ALARM OKCIJIT TAEL£ I -: q

~ i

>-: ~

~

~

~

I I

DUR IN G POT MAINTENANCE TESTING . TH E TCV FUN:T ION IS NOT USED WITH AUT O TRAN FER SCHEME TO START O/G NOR WI LL I T AFFECT ITS FUNCTIO N.

I MATCH

,,.,,,,.. c ~ B r l 7 &16 ~ "'"'* "'*

  • (\j
  • ~

4 KV 8115 II

  • RE F: 663 32-22 0 ~AGES 12-1 I, 6- 17 I ro_o

~ ~

4 I< V 131/S JECT_ H 4 l<V MS 5£CT. H l)C CONTl(OL I I'

~

! [" :I C\j r-;';";

}s,J:~+~rsm

< ~

rSHlflZ ...

Cl<.

ct_-

...: < ... UNOERVOt.rAGE AUTOMATIC TRANSFEK E3US o,f ST-IIP l'/>R II. V UNOERVOlTA&E

"' '° ..

K6 l0

~ ~

\

~ ll ~

~ DEVICE 27 XHHT SHH!!, I SHH/ z1xHHB2 I2rrHHB2 27HHJC, 27HH TI 27HHB2 & I ~ < aJ ':;

<e ~  :!I ... *~

lq_, I Fs e i ~ AV4203DH I I

<( "' ~ "' "-~~~

~ g~ g

~i ij ~

" ""~ I I [QIJ/PMENT LOCATION

~

),,. c,11: N°* AY42120H AV4204DH

~ ~ AV4206DI-I b SJ/1112 811' 1,20-i, '120-5 1,21'-7 l,20-1 RNSOA "2Z-8

at:

l'f <5 I

....c:.

~

~ f I-._

~ l [ L__ 3 ,a ,1 ,4 2j 28 27 24 33 38 3~ IlTH 108 7£f(MJIJAL &JX H 108 r, rf r':,' r~ t~

8115*/ ..._ ~ -.... ToAUx.r/WISF. r"'sr,1,,/(.r-up Blilf EA/6. JAFEGVA.fl) KEUY 60AHD BUS H

~ II£ 2 T/IWolSF ii Z'2. DETAIL C. RELAY CONTACT DEVELOPMENT

~

cri ~ lt ~ ...... Q:[fJ COIVTKOL BOARD Bl6 SAFe&ttl/KD 13US H

?BTH/08

~ "- OF 4HH (S'e:cl./0TE2)

~~

Co CONTROL BQA/rD AIAIN {jENEM TO/f

~ 'le:

~ f'A~T/Al S/NGLe L!Ne /)JAGMM '/; "l '6' -t-a,15*/ ~

.:!: ~ ~

?::!

t:

~

~ 4/WV. srsrEM BUS sEcrtoN *w* ( I(i r - - 12 -I5 16- 2 1c'l-22 25- 25-J ',)- 2 35 *I-- - - - - - -::.

I 42 45 % 5 1 52 55 56 ;

r* . - - _ - - - - - - - - - - ,

~

~

GENEKATO.!f fi:ELAY e.OAl?O 5W6-K. 4 HV /3U5 H CI/B/ClE 5

~ ~ ~ l

~  ! TJ

,i, ~ ,7.; l;l I ~ n I RN5.:JA l?ACI( Nua U/i? 5IIFE61.1Al?D tJuTP/./T A 1 1111111 OHi 'i',NSOA jllNSOe SIC ~ <..:i

""' l RNSOA RNSOB £lNSOA RNSOB 622-7 MA rcH CIRCt E -,1,;,ov tJQ.s SECTION 'H' _ ~ -srLO:;:

01 3 ~ 3 I

;g:T lD'R!= uTZ~2,:~vT.33{~~T+ Ir lrl6D51-/ 25KY MOT. 0PE/i'ATEO Oise. Allk'- SH'1TO( H IIIIII * ~

K610 ,it,f IPZ0-5 '120-v I, 20-8 i,20-9 .s /5 Kff*ZI RfFil/Z KEF"B 1 g REFE/fENCES l ~tI I 1I I' I ~ ~

~~ I;~Iil ~

I o-- ..., I fiflfiflf;fi ~i I cc l DESlRIPrlON OI' ELECT. SCH£MI/TIC Ci/AG . SYMBOLS 'C!l?Ct/lT DES/6NATIOJVf DWG N" 050003 M~"~-~~qt lH7-I l'JH7-3 &17-8 Bf/7-f b I tJ~Yr-r~r~ *~

"' .JINGU LINE Ml!rtr t RELAY DIAG. 416/J V SYHEM (&1.r Stcl. 0 J H ) - -

Id

~ 2. 4 Ll230 1Z22-8 1 I ".: "' 1 I ~ I ~~ ~ ~ ' I cc MJ c= M2 '13 J<ef4 , 3. JVIEMATIC PIAG. 4 HV SYJTE'M AIITIJMATIC TRAN'SFl:lf (t!vJ J#T tJ ft:) - -- 44 135 1 8H5*Z ~ :r:~Nw w w~w I 4-. f61/.J .JcCf F ) - - -

tsHH12 lSHHt2 ~ ~~;~;~~~3~ t~*~~~~~~~ I L ~_ - - ~- _ _ _ _ _ __ __j 4L I 352

___mt! l 6. I I {IJIJS .SEC! Ci } - - - 44 353 II ... ~ ~ =

~ ---vl;:;;::V)<rV)coL') I DETAJ{[)'.: KELAY CONTACT (, "KV IJUS POTE/./TJAl I :;yNCl(fOJ.IIZJAIG; SH l.lXJ,SEct r, q 'H) - 4 L I 340

.,___ ___ 1i -,s_____ 11 14 23 2s 21 _ __ 3s i__ 1 34 43__ 48 47 __ _5,_54 ,I 7.

t:

~T .f Al/A' SALT WATEK FUM/'5 - - - - - - - - - - - -

24 33 44 53 5s DEV£LOPM£NTOF2Kt;I? TM 4 Ll287 4HH T !HH  : <> 8/lf' /JI#'). 8116*1 656 *' BHG2 ~E/1.ATOI'- 'ii ,tf_

8.

AtJX ~EEOWATEK l't/MP.5 - - - - - - - - - - - -

JAFlTY INJECTION f"llMP5 - - - - - - - - - - - -

4L l3 02 44 I 3 I 5 18 e,- sa DETAIL;(: "RELAY COl'ITACT Ni/EL!JPlr/ENT OF S'Hrl 13 (SEE r - - - - - - - - - - - ---- - - - --- " - - - - - - - - - - - - - - -- -

NOTIS 2)

IO. CONT4/NM£Nl Sf'KAY f't.lMPS - - - - - - - - - - - - 4 L 13 0 7 16

  • ~HH

~5-+

}s1t9"s\: '""

~ ~ ~

l,i ,r Z 1 L --

8' j't ,,n i 1~11"ll ~ ~1

!-'l

"<: *~ "~-1116 :12 ~i42 45 '16 5 152 55 155 i

"*/2. RDll)UAL HEAT REMOVAL FtJMl'f - - - - - - - - -

COMPONENT COOL/Nb WATEK f'UJtfPS - - - - - - - -

,1/r.O V /3llS t)IFFE.KE.'N'TIAL SI/ 2. - - - - - - - - - -

4 0 13 0 9 4~ 13 1 I ruuu1~1tr1;11rrr

,r 2 '~116; I ~3 1 35 !~ 36 4 1 I /3. 4L I 343

&ft! ...

1r~

,mo /II. A/JX. Tl?ANSFOKMEK N° cZ t AffQCIATl:0 CIKCUIT &oAJ<1(5 5H Z 4 0 I 349 en 51:!!!

-Bl'S*3

~ !jj; r*.o81t 21:417~ l I ~ 11- K,oaI I I

w.,_u_U.....L~-

Ul LL-Ul

  • l..L ~

~

~

~

I j

/5.

16*

5TAKT*I/I' TlfAAISFOl(,l,f/:R N"/!2 I Ai{OC/ATEP

/J/135££ (rtNE~TOK5 I AffOCIATEO CIKCUIF 61CEA/<'EK5 SH. 2 l3KKS .Pf.Z 40 I 345 4L I 356 I 1I, Ii S SIS NI SIS w uw...L.J 1 :i: W:r:w ~ .Z:: c:(..

~ .... ,

I /l. uEA/El(ATO,fCONTlrOL SNEETN ° / - - - - - - - - - - 4 01245 B I I I I 2Q-j ~

[: :[e- ~ [o: :[: ,_J~~~~~~-

I

/~. / 5Hl3ET N' 2 - - - - - - - - - - 4 L 12 46 l §=d~;~~2~~;

II iN II Ni I~ % ~ ~~ ~~IN

~ )I i .~~~~ ~ i I /1. #:10/ESEl (icNERATQIS CQNT/Wl. Sil *I - - - - - - - - - - 4 4 1357 I,;~

I cr~~N~N(rN~~- C:Nw~Q::W I zo 25 KV /~PHAU 4UJ MOTOR Or'.Elf'ATED lJl.fC. .SN- - - -- 4 L I 26 7 21 I t COAITAINMEN1 FAN CQtJt.GIH - - - - - - - - - - - 4 L I 3 13 POTENTIAL FO~ Atllc)-T,RANSrE~ AND £fv'GIN£l.RE/)__ 5ArEGUA~f) 7/ME/i;S I  !~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~  !: c-; "'

53 sJ I 1 I

~1;l;lil~lil~1~1;1~1~1~1~1~1~1~1~1 ~1*1~ 54 : 53 I Z2, 23.

LO~IC /)/AGRAM -1,,0 V. NIS s~cr10N H ;AUrOMATIC rl/ANSF~R. - - - -

fCIIEMAPC V/AG, MAIi / ANNUNC'1A70/, -SH.f*.17 ----------

4 0 I 337 500786, 87 sr cf)

L- 13 1a 11 14 2i 2s 2124 33 ,s 37 34 43 4s 47 44 ss 57 13 18 11 14 23 28 27 24 33 38 3) l< 4l 48 47 44 L- - - - - - - - - - - - - - - -

6 57

_...:.!..J

,!I, Z;".

SJN6LEL/#£KEfER(KELAYb/A6. IZS/lfJC SYSTEM - - - - - - - - - -

SOflMATIC 01116 GEN CONTROi. SHEET N°.J - - - - - - - - -

~4 240 44 2 4 7 sr sr C!<T NO. I-IA TH JJETAIL 'e" l'(ELAY CLJNT,d.C.T 0/!VELbrMENT OF f)ETAIL_"ff: RELAY CONTACT DEVELOPMENT OF 27XHHT /SEE ~r~ 2) i'- LIST OF E0tt/PMEAIT lOCA//()1,/ Ct>b~S - - - - - - - - - - - - - Y I O3 O I 3 M/Hf (.seE /llbrE Z) 27. SbUD STI/Tt PR0Tl:CTION SYST.:M MFR'.r DWti REC NO. 663231 28 FUNCTIOVAL DIACNAM MF!< l)J¥ti5 y 6631 95

29. SCHEM . DIA6, MAIN A/YN/JNCl,IT~R. .SH-2b - - - - - - - - - - owe . r,o. 50 2092 JO, 5Cf/c /v1. /?IA4r ssps a11rpar ,e,cc.,, r s, rllAIN A, TRAIN B - - - - - - - - - 5030 89 , 093 JJ, SCHEMATIC l)IAGKJ/11/ CNT. Sf'/{ MOV - - - - - - - - - - - 44 308
32. 1.15T OF lilECTRJCAL. O&V/CJ;<; _ _ _ _ _ _ _ _ _ _ _ _ __ 0500 I I 33 . WIRT NG DTACRAM - 4KV S\o/lT CHGEAR BUS " -, " . . . . . . . . . 44 1594

'"' ~

~ A co' NUCLEAR SAFETY RELATED ~

N B C O>

0 P. G. &E . SYSTEM Q)

PHASE SEOUEflCE C +- A-C-B 0> 0 KEY DvJG. SECT ! O~J 2 D

  • C LJ u r,I1 r 2

'" o,._,- DATE REV ISIO* DESCR IPTION DWG SCALE:

Lil D t/)

rv-, ~z ELECTRICAL C9-26-20 16 REVISED PER DFT-7

  • 37 15 BI LL OF MATL:

- --:.r-N

,:;;:rlf). ,

SCHEMATIC DIAGRA M

'Q'"r-,") L 0 , D. ZNS4 4 160 V BUS SECTIO N "H' SUP'.::DS:

II - (1)

R. E. ~><C2 AU TOMA-IC TRANSFER SUP~D BY:

Ct: "T U) w sr :::,

DI A.BLO CANYCJr~ POW ER PL ArH DRAWING SHEET I PAGE REV f- II J,V. NIA VlZO

<r_ ( ") <l o::ou P , E. NIA PAC I F I C GAS AND ELECTR I C CO MPANY SA M FRANCISCO, CAL!FORl'J J A 44 13~4 0 33 4N FG

~ i 4 Si ZIii