ML20151X882

Informs of Review Completion of & Provides Additions to Proposed Findings of Fact & Conclusions of Law Submitted by Pg&E,

ML20151X882
Person / Time
Site:	Diablo Canyon, 05000000
Issue date:	02/28/1968
From:	Conner T US ATOMIC ENERGY COMMISSION (AEC)
To:
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References
FOIA-88-156 NUDOCS 8808260134
Download: ML20151X882 (18)

Text

'

r;g;g(T I"ci'!R P1,0D.LUD'.IAC.ppq'p1_

UMITED STATES OF /d:ZRICA ATO:11C E;;ERGY C0:411SS10N In the Matter of )

)

PACIFIC CAS AND ELECTRIC ) Docket No. 50-275 COMPANY ) ,

) /

(Diablo Canyon l'oclecr Pouer ) @ 'b Plant) ) D0CKElED E!!0 -

//) 4 PROPOSED FItGI!.GS OF PACT AND FED 281939> ~.

CONCLUSIONS OF LAu 0' c

:,nr m :::eq 3 SUEMITTED LY THE AEC REGULATORY _ STAFF co I fd )h.g !**p D

The rtaf f has reviewed the "Proposed Findings of Tcet and Conclusions of Lau Submitted by Pccific Ges and Elcetric Cotapany", .

dated February 22, 1958, and has cencluded that only the follou-ing cdditions need be proposed.

1. Add to paragraph 13 the follouing transcript references:

'Tr. pp. 351-354."

2 Add the following statement to paragraph 15:

Before operation at any pouer level in excess of 3250 hJ(t) may be undertaken, the Coanission will review the ciatter to assure that the facility can be operated safely at the higher power level and take

, appropriate licensing action.

3. Add the follouing transcript references to paragraph 16:

'Tr. pp. 522-535. "

/

v' 0808260134 800721 PDR FOIA PDR MCMILLA88-156

4 Add the following, transcript refctenec to paragraph 17:

' ~~' /

'Tr . p. 324. "

I

5. Add to paragrcph 18 the fo11 cuing trcnscript references:

'Tr. pp. 344-350, 362-354. "

6. Insert "particult.te" betueen "and" and "filters" at page

. .. j

,, 10, line 25, paragraph 20 to clarify the type of filters provided as one of the engineered safety features to raininize the consequences of the hypothetical "loss of c coolant" eccident. Add the follouing trer. script n

., references to paragraph 20:

'Tr. pp. 325, 457, 4S3-487. " .

t

7. Add to paragraph 22 the followins transcript references *

Tr. pp. 382-389, 396-410, 421 and 438 " ' 'C ' ' ~~

- C.'

~.

8. , Add to paragraph 23 the following transcript"references:

'Tr. pp. 490-509. " -

Respectfully submitted, M PMt . -

Troy B. donner, Jr.

i Trial Counsci ,

Dated at Ecthesda,1:aryland, this 28th day of February, 1958.

I e  %

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E 1 U.;1'P, n n'r, .Ti :3 0;' t. .idc ,.

' ATM;1t? 'rs .;l ; f r0 . ilt;.c I.r;.

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4 In thez !Mter of )

) I' PAC 3FIC G?.S AMD EI.SCTRIC CO".Pti!;Y ) D o c k r. t. M o . 50-276 5

) .

(Dir.blo Canyon 1;ucient

)

6 f Power Plant) )

) . . , ,

? / _ . _ _

((.:; ,

6 c}, p.t e

PROPOSED FINDItiGS OF F7,CT AO 9 'j CO;;C1.USIOM3 OF IM l;

SUDMITTED BY

.c:vg 10 !, -

P PAC IFIC GAS AND ELECTRIC CO;'Pld."! .

11h

! PRELIMINhnY STE.TEi;El;T 12 t 12  ! 1. Thic proceeding involves.the cpplication of i

14 Pacific Gas and Electric Company (PGandE) dt.ted Jcnuary 36, 15 ,l 1967, as amended by nine amend: ente. nupplen:-ntal thereto (the

• y bl [l ep;,11' cation as amended is hereinafter referred to -as tha l'/ E ";spplicat,ien") ,. for appropriat.c licenses under Section 104 b.

~...

I, as amended, to conitruct and 15 i of the Atomic Energy Act of 1954, l t 1.:. . ; operate a 3250 megawatt (thermal) pressuriz6d sn3 er reactor 2; I nucienr power plant on a site on the Pacific Coast in San Luis.

I 21 Obispo County, ' California. (Safety Evaluation by Atouic 22 Energy Commission (AEC) Division of Reactor Licensing, AEC 23 Staf f Exhibit 1 (S.E. 1) p. 1; Partial Su!=ary of Application 24 Prepared by Pacific Gas and Electric _ Company, Applicant's Exhibit 1 (A.E. 1) p. 1; Transcript '(Tr. ) pp. 4, 60, 149,1171.)

25 26 2. The Application uns revim_ted by the regulatory f

4 3

-n , - . . - . _

.- ..a

l (Ft..f f) o; tb ,

's.4 ib cc.cird 0 t) ;t i'c: W:

h,.-

• , :t m l. - for tho 3: tu.,.c. c f ::

p;4..

r p v Yit.fi.:d a)) . .F.C I (S . M . ) pp. 63, 6 '. . ) 'I'. .e 1.pf0ievlion l e

c o.l ~ t ruc t ion pe n .i t .

7,0v i s ory Cor.m.i tt e e ce not.ctar 4, wn a l n o r ev i t/. c. c'. by th Snteguards (ACnG) \thich con -luded that the proposed feci]ity r,

l it can be 6 can be conntructcd with rc:$on::blo cscurance that r

7 operated without unduc rick to the health and ccfoty of the pub li c . (S . E . 1 Appundin B; Tr. pp. 60, 61, 179, 180.)

6

3. Oa Jnm'ary 12, 1968 the AEC is cutd a "notict-9 of Mcaring on Appliention for Provisional Construction Perm:.t" 10 and Electric Ccipany (Dir.blo 11 in the tc.'.tter of Pccific Gr.3 50-275, which cet.,

12 3 Canyon Nuclotr Power Plant), Dochet No.

f r

out the icouca to be concidorod and initir.lly decidrd by thic 13 le (Board), d::signn ad by the 14 " Atonic Scfoty and Liccnaing Board 16 f . AEC to conduc t thic p':c;cc. ding, ns a basic for daterminin whether c provisional construction pernit should be incued to 16 PGandt.

.This notice of Houring wt.s publichid in tho FCDORAL 17 i (33 r. n. 516; Tr. p. 4. )~~~ ~ ..

nEGISTER on Januery 13, 1960 .

IS in thic t. tatter

4. Potitions for Leave to Intory:n9 19 2C-woro filed by the following:

Date Filed 21 .

Petitioner

. ( Janunry 18, 1960 22 Stato of California 22 San Luic Obicpo Bay January 26, 1968 Proporties, Inc.

2' International Drotherhood 2'

of Electrical Workoro, January 30, 1963 Local 1245 2*

Scenic Shorclina Prosorvation January 30, 1958 Conference, Inc.

January 30, 1960 Frederick Eicolor

l l u 0: d. r date.d h brua ry 2, INC, L:v M: rf <, rc n' ,

' th -

j in t-titica of th. State of Californir fo. 1: e /t to in',ci 1

I

!!0 L i ce of P. .P ri ng L.id i n neccc dnr.co Uj lh (19. l

.- P . .. u: n t. to the '

er-requ i rc:.1c n ts of the Act and the AEC's regulctivin, u p' 6

ing conference was hold by the Donrd in San Luis Obinpo, At the prc*c:aring con #erenec.

6 CaliLornia, on Febru :ry 6, 1960.

l 7 the petitionc of the Scenic Choreline Preservation Conference, I,

4 Inc.

and Frederich Dissler were stated to be in opposition to e (fr The c

[1 the grrnting of c corn'truction peri. tit to PGI.ndE.

lo q pot.i tior's of the abo.' -nn: .ed petitionc ro, with the exceptio 1

i of Frc.ierich Eins]er, wort. granted by the Botrd at the 1;

prehcaring conference.

Thc' peti tion of Frcicrich Eissler uus 1; ,

i the 1.tc rulen of practico U.S he was given 3 ,:

! deficient undv 1950 by the E.onrd to cure the deficiency.

2. [funtilFebruary13, Eicoler, the Bonrd, in en 2l i Nothing further being filed by Mr.

h order dated February 14, 1968, denied his petition for leave 1

to interheno. (T r . pp. 114, 115, 129.) .. ,,

1-

5. This proceeding is a "contested proceeding"

)- l (Tr. pp. ilEi,.190. )

within the tr.cnning of 10 CPR 2.104.

3 :..

, 6. A public henring uns held by the Board on February 20 and 21, 1968 to consider the issues specified for 21 a contested procccding in the published Notice of Hearing.

23 (Tr. p. 122A,)

23 24 fit: DINGS OF FACT 25

7. PGnndC is a larga operating public utility 26  ;

I

t t

ic ; 4 7' princip 11y in the b mine o' r.uiglyl r g c l . i

' ei ~

I o .' n.;r t b en0 cenirat i: . t m .1 9:- c. e : .i c e threu:h ; :.a:'

t

. l T- '

r::nnda j: cov i l3 fine uc? c . ; d 1. - p i c n ; .i f n 1

. eclifo nie.

nJ. N:.nd; p 2 <.nn to fi: . nce the co..

/ re s ou rc c r. et its cco 5 of the proposed facility, which it c cti- . ten .:il l be approx i -

of its continting conr.truction C mntcly f188,400,000, as a p?rt 7 p r og r ar. .

(Lovejoy Testimo:y pp. 1-5 cnd Appcndix A thereto:

8 Tr. 244 f f. )

t PGanAE has had extensive experlt:ncJ in the 9 8.

design, construction and operacion of electric generating 10 4

11 9 p) antr. PGandE p:.rronnel have bcen involved sith nuc1 car 1

r. her of yearc, and its Huuboldt Bi.y 12 ' power generction for a nt:

13 reactor hrs been in oport. tion since 1963. A ntrib: r of its I,

i iEcuJd by the AFC. .

14 persont.el hold reactor operntor licencas O r t.i nghou n o 10 . The nuclear s houm crpp]y cyc tcm t.upplier,1:

1C

~ Electric Corporation, hac designe d cr.d conetructed a nw.bt r I

i 17  !{ of prcssurized water reactors.which have been licensed by 1;- i AEC. (S . E, 1 p. 1; Joint Exhibit A, Vol. I, pp. 3-5.)

9. The site for the proposed plant is adjacent to I

] ;-

2:

Diablo Creek on the Pacific Oconn in San Luis Obi.<>po County, 2, California. The exclusion aron distance from the reactor to The 22 the nearcat site boundary on land will be one-half nilo.

Icw population zonc radius is six railes and the population 2.?

24 conter distance is ten rr.iles, which is the distance from the 25 site to the nearcct boundary of San Luis Obispo. The site The 5SS-acre portion E f.

consists of approxitately 750 acres.

4

~ - - - - - - - _ _ _ _ _ _ _ _

. s

. i

') . s v.i t t of tin c re d: 3 :, le: ot 6 t o N;,:.d; for ,) yeni n w i t-h en j

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}

< i c,: 1 o ro. i I c,1 9 '. y i r. . PG d' L: e e'. quire.1 13ih? to  ;

i o.:\

rea 1. i ng nc.- th o f D.i ra d o i

3 t' e l e .1 s i th i n th e :c i us i ot i t

4 ci ee': vnd for t.be pu.por ' d r tit i.hyald . The dood tea thin lend -

5 c( nveying title in foe t.o,- PGu.dh has bcon depocited in escrev,.

6 f. al{ong with PGandE's conr.idere. tion thr.refor, and the escro.e ,

7 .i. vill be closed upon correctio.: of certain descriptions in the f

1 pp. 3-4; A.E. 1 p. 2. Tr. pp. 287, 208, 482, 8 'lif . . d o c. d(S. . E. -

.i 9  !. 483.)

r' 10 J b

10. The climate of the aren is typical of the l'

Tac motccerolog.ical progror 11 .I:l central California coaste1 region.

12'l preparaed by PGcndE is ndequate to pro /ido a basin for the 13 development of a gascoun radicective rolesce liuit and to.

l 14 1

$ cc nfirm the conservatism of dif ft.cion paranters used in the i (S.E. 1 pp. 4, 5; 15 . .t analysis of potentini accidental reic:ses. ,

3.)

I 10 1 A.E. I pp. 2,

, i 17 i

. 11. The pinnt will be founded on firra bedrock 1

! 3e  !, fully capable of carrying the intchdod londs. The geologic - . . .

\

_ 19 study of the site included excavction of about 2 t400 feet of ,

2C trenches that woro cAcaynted through the terrace tanterial a  :

r j

23' l reinirwta of three feet into bedrock. Sevorcl old, smn11 22 f aults ca.n be identified in the bedrock, but no indications

}

i l .T l

i of major f aulting were found. The evidenco indicates there il 2.;

has boon no movement in the sm.all bedrcck faults at the sito af for over 100,000 years, and probe.bly much longer. Therefore, U 2c the probability of surface fault rupture at the site is to renote that it racy bo snfoly disrestrded. (S . E . 1 pp. 5, 6;.

/.. E . 3 pp. 3-5.)  ;

i 5

,.~_______.___=.__.m____ P

l

12. w.c p) tint he.u been d.mif.e- t . vi th.tt.re t ho 1

) ; . v.3 :: t e t: r t ',: p M.x to be expec ted i.long t '.m f.m ] t r. iri L1.

i

. p '

Of the prsible enrlheju*h  : t. A i. e.1 i t '. . i n 2 gen 6til ci rc a . .

4 dot < inined that n 1.agnitudo 7-1/4 (Richter) e.nr t.hg a nh e r 101. ;

20 miles frcr the cito, ind 5

, the Nacimiento rault, which is c c [ an af t.ershoch with a uagnitudo of 6-3/4 at the sito rcculting t

7 b from a nagnitudo 0-1/2 certhquaho a]ong the San Andreno i

l 6

l

' Fault, which is 48 miles from the site, profuced the ma>:Junn '

i  !

9 ground accelernt3 cnc at the site. These erro calcultated to f be 0.12 g (cdjusted to 0.15 g for decign purpoccc) and 0.20 g, 10 ,

d 1Tnen the responso cpactra of the two carth-11 l' j renpcetively.

i 12 j qunhee were consid red it was found that the hypothetical #

13 l earth:;unko 1.long the uncimiento Pault prcduced higher

I r 14 j cccolcrations in ctructures having longer nttural perioSs 15 thiin the other earthqun'

e. (s.t. 1 pp. 6-G: ti . E . 1 pp. 5, 11 6 6.)

13. Structures and components iu ortant to nucicar 17 ,

36 l safety, f.ailure of which might cause, or inercase the severity Io I of, an accident, including ctructures end components vital to '

l ,

2c j safe chutdown and isolction of the reactor, are clasnified Structures and conponents irportant to reactor.

21 j. as Clarn I.

! 22 operation but not escontial to safe shutdown and isolation -

of the rocctor arc considered as Class II. Structures and

j. 2;,

, 24 co:r.ponents not reltted to reactor operation or containr:cnt 25 are considered as C1nso III. Class ~I structures will bc-26 designed to withstnnd horizontal ceisnilet.11y induced lor.ds i

4 e

6

1 c '. i t 3 u : 4 by tm3ng rc: paa :c r.pce tra of ei ther of the two

,2 . big n e:n ihtad.. :,, \ h ich n c t controin.

Ve rti ca l ecco ic.w-t io . vilt ir- t: P n .

co'v:tt nt r qu:.3 to tur -third . cf the l 0 ,

/, . m i nu, ho r .i r.mn t rl ground accr lorotion, end the recultin]

5 str 'nscs due to horizonte1 and ver tier,1 r.cccle.:rationc wi ll

. . . ~

6 9 be bonsidered to act cinultaneoucly cr.d vill le added 7  ; directly. Conservr.tive vt. lues of structural darping will bc 8  ! used. Af ter completion of the design a revicw will be mLdc 9

to assure no loco of function for cc:.ponents noccanary for a i

j na fe shutdown uaing a co:Ained renponse spectrum wi t.h 10 11 acceleri. tion values tvice these used in the decign. Cinoc JI E

structurcs and co cponcnic wi)1 be 6:nigned on a .str tic 12 13 ,

r.nalycic br. sic using a seimic horizontal cc: f ficicnt of Class III.

1,; '-

1

0. 20 g and strezcas n11catd by applicLb)e ec de.3.

3r j l ctructures end corponents will be designcd tecording to the (S . ): . 1 16 carthT."'.c regulations of the Unifer.~ Brilding Code.

i

~

ly I pp. 35, /.7-50; A . T. . 1 pp. 7, C.)

14. The plant will be designed so the.t it wi11 not _

38 I c, be subject to da.uge from either distr.ntly or locL11y gencrtted so'icmic sea waves.

1:ost of the plant will be 20 21 located at or above cicvation 85 feet above sea level.

22 Cooling water for the plant will be taken from the Pacific Ocean. Class I equipment located at the intoke will bc 23 ?

2.; 1.. protected by a wall or other suittsbic t.cnns to acco:::c.odate i

In the 25 l- n wave runup of 30 feet t.bove nean lower icw water.

f. .

event of a drawdown occurring with a coisnic sea wave in 2,3 ;t i

e 7

1 I

3 c ::< et of : 3 nun . f ee t 1,e h t r. c an ) v . - )(? . : r !. r, th

,f intit rtru:ture it d n i c:idl t o pr(<. i r' - cr nrvo'r to ,

l

?

e, alt v 't- cooling :y:t/ .

? rwpfdy stiit t:r 1,o the iat.s:i liary

< /, (S.I'. 3 p. 0; A.E. 1 pp. 8, 9.) i l

5 15. The proposed reactor is dr.ricy. .d to operrte at '

i l 6, 3250 15.'t with an ct:pected ultitrato cz.pability of 3391 I;< t. ,

I

?

PGandn ht.c designed the ranjor cc: ppnents including the con-8 .tain:unt structuro and cacrgency cooling system for a power ,

I, gj 1cvel of 3391 !Gt, and nas used this po./cr level in anblyzing i.

3 0 '; poctulated accidcats in conformance with the guic!elinca of i

10 CFR Part 100. (S.E. 1.p. 3; A.E.

1 p. 31; Tr. pp. 473, 11(i 1[ [ 47/..)

I 16. The nucienr steau supply syctea, as de:1gned 13 ( -

- 1/, hj. by went3nghouco, -is similer to that of other PWn cyctcr::: i that have bcon licant.ed by th: AEO, such r.s the Indian Point' l U 15'ti i,

1:

1r 3i, No. 2 Plan; of the concclidcted Edison co:'.pany of ncw York.  !

i 1*/ ! Tho nuc10er stenu supply system consists of a light water l moderated pressurir.ed water rocctor (PUR) .which transfers l

le ronctor hent to four stcan gencretors. Stee. generated in l .

L 19 2c, tha secondary sido of the sto?.m generators passes to tha 21 turbine genarator. The fuel for the rehetor is low enrich-3 3 22 ment vo2 pellets enclosed within Zircaloy tubes. There aro- '

, a 23 193 fuci nsserchlies, cach made up in a 15 by 15 rod' array.

l i 24 Rouctivity control is accomplished by 53 full-length control

• 25 red accer.3>1ics, cight part-length control rod - assemblico, i j g e,,

11/.4 fixed burnablo poison reds and by liquid poicon (boric

. acid) in ', ~1 % netor cociant.

The full-length control rod N

8

l hutcoan and 1[,.-,+1J..provJrc.  : ticity ecutrol for ft,si I

2 f :c . : q, r. n in r.> .

d ivit'/ in coing fror hot zero p r.r to full l .

pg.tc c . 'c r. ci@t pa r t - 1 c ng th contrcl ro.1 3 . i i:

i

' ;) ! c- 4. ::e i r.c 2 ur' for nh p :",;

i the ; xi n i puc r d i s t ribu-4ir..

a 'i h n f

5' . ion and contrc;11ing potenti.1 nx ia l xr..:.on occillatiens .

for this reactor are r,irtilar to

- 6e

, contrlol The drivesrod drive on ir?

oth:char.irru l!

7 provided r Mcntinghoune-denigned reactorn.

8 , 7.anctor coolant at 22E poig in circulated through the coro  !

1 by four centrifugal pe1pn. (S . E . 1 pp. 9-13, 10; A.E.

9 10 pp. 10 - 12 , T r . pp . 33/.-330, 4?9, 4 f,0. )

i

' 17. The core donicn for the reactor tahcr. ndvr ntag .

3) 32  ! cf reducc:d pat hir.g fector :Ede poncible by the use of pcrt -

t i With reducc3 ponhing ftctors it is poc-12, ~ Jength control rods.

10% comp:-red-14 ,

t.ib3c to inercace thr nycrage pc.rer of the core i

Ib : to prc. icus ( scic ns, yet ra intnin the path cpcific fuc1

p. N:r in line with pnr.t decigns. (S.E. 1 p. 15) i Ir r.o n i t o r r. r. i g r.n i s I '/ 10. The reactor protection tycter I

' free nucler.r and prcecta instrnc.cntation which are indicctive

)[

I of renetor plant conditionc. Ir. dependent , redundant channo3s 3c i

pc ' tro providad in the protection system so thr.t a failure in f

p:

t.ny given instrume.nt channal would not prevent a safo chutdown I The reactor protection cyste:a for the pro-E2 ' of the renctor.

p3

• ponod Diablo Plant will dif fer f rom those previously described Changes were made to 2; I for othcr Westinghousc-designed plants.

H, ,

I' tha cyctua in accordence with the provisions of the propoucd (IEEE) 1-

'- Instituto of Electrieni cnd Electronic Engineers Y.

t

'.4 9

0 ; ) '. r i

.s .

c.! on 1.uelc, iv. c r M :e ' r ro' - - : i c . L;, . .

um r- 1- an n rs t.u l t of the hi '. , ).. cr 6 nri y at.2 l l- '.. ,: .

- t i ch v.c t or.t c i

..- c' of pw t. -) w;ti cont rol rr . c .i e i 1

v. ) s o 1 .: G. c i g .e d ( c, t.1 - pro.-

4 e m- n m C :: e f t y f e. c.<. u r , a w .i l l

'Ibe nar,2 channcli: o ] rp,,;cach .ci) ; be -

T- .el 7:n " .c t o n.h.rd .

0 t. nod for thene circuito an is proponed for the reactor pro-7 tection sycten. (3.E. 1 pp. 10-25; 7..E. I pp. 10-19.)

t E' 19. The reactor contcinnont structure concists of b t, teel liner which cnclo;cc 9 )!! a reinforec0. concrcto vennel Uith a The containnent 10 i; the reretor and the rccctor cc.alant cyctr.n.

11 r.tructure ic a f ht-bottened cylindar with a hc..sispharien1 e

l' 12 L. dc7 with im incide dierater of 140 feet nn0 v.:rtice.1 sidc -

wa]13 innauring 142 fect. Th: conc cr.'.c sit t. a.lle of the 13 l

14

' cylinGor to.d the dore will be tppro : irate y three fco-e rix

The cer .

1: j.i.ch,: nnJ t..o fcot cix inch:: thir':, rc e.p r e t ive ly .

1C lq tc.m . :nt s tructtro is & igner. for en inte rm i prent:ur e of .

L l'c };1 47 pr.ig nr.S a manir.w'. '.cakage rato of 1/ loth of one pare::nt f

li i of the conttina:nt vole'.no per day at the dczign pressure. ~^ - ..

l 1- l Pipolince which panotrcto the contcinnent htvo provicien for 2C isolation. (5.E. 1 pp. 32-40; 7. . E . I pp. 13-15.)

other 21 20. In codition to the contain= ant systera, 22, enginecred safety features will ba provided to rainiraize the 22 concequences of the hypotheticcl "lo;s-of-ccolant" accident.

24 '4 heno include a cafety inj ee ; ion system, air recirculction 25 coolers nnd filters, and contt.irr.;ent sprcy equip aant.

26 neliable on-cito diocol emergency puerer is provided for the 10

,  : r n ;i no: red sa f ei ~

f e.. t u r r- li.

• in the <.,,e of f r. i ] s 2 (- of g r. c. ) . -) n i t: t i o:, ..u : i } i r . )- M 'e r . Th. cen;re: rooi coiLO.in' l.

e inc trewntt.ti on taJ cc ntroir nece.mr.ry f or r. fc operati on of i i.

.. , ti.c facility. Sufficia.t i na t.rui en ti t.i cr nr.. contro). tro I i

i F ,.

ev.;i):.51e cutsid' the er.ntrol roon t.o e-inttin the re rtcr in 1 .

,: j!- n hot Ltcndby condition. (S . E. 1 pp. 4)-47; A.E. 1 pp. 15 - 16 . )'

l.

7  ! 21, Quality etnndrds of material seicetion, de-i E lcign, fabrication and int.I': etion wi]l conforr to the i ppliccb]c

, i provinions of reccgnized cosec and good nuclet.r practice.

I 1C Materin]n and comma fmichad for the vc.rh will be re-1, vi:? ?cd by 1.~csti nghon*. c or PGand? cngineers. The conct ructica 1

Ig l u:>rk will be cubject to tha indep nd..nt rev c./ of PG.,nM.'s l

Engin; erin'! D;partr '.nt. (S . E. 1 p. 53; A.E. 1 pp. 22-24.)

13  ; ,

I 14 t 22. The uts te dispoe c) systen collects, monitorc l

if, und procconen for raE ditpocal cl1 l ic; a i c' , r o.1 '

rnd gaseouc 1,: u: n te '. . Th: sy s tcc - io c'.v;ignd:1 to pro cus fluid uccte for l '.

lj diccharce, to the envirc.c.:.snt vithin the rr.di: :ctive level n j tolerene:c est.t.bliched by applictibio governcantal regulations.

1 15 m raience uith othe,r citailcr plants indicttes that' liquid I

p- I radioactive wnsten will be a factor of c. bout' 1/100th of the perninsibic arount. The system is designed to be fle;;ible to 2 '.

control waste rolcaces cs ocessary to ascure no adverce 22 p2 offcetc on the environment. Suitable facilitico are provided 24 for htndling and on-site storage of colid wast.cc prior to pg dicpont.1. . The activity concentrction of liquid and gncoouc 2.- wantoc will be dotermined prior to discharge to anouro 11

\

A tm i t i N e ; . e. ope . Li c nc 1 twi

)

t co . ;-) it m with 10 Crn N rt 20.

2 po: t.op u atiom.) cur v. y nnd enviror.- n U 2 rior. t ori ng pi c.g ri U111 D. conde't d l'i Mu :i d". .

( S . r. . I pp. 53, 54; A.U. )

/

pp. 21, ?3; T2. pp.

'X 4--?58, 200, 293, 2N, r,1-30', 400, 416, 4

b 417, 419, 422, 426, 430 /.30, 439, 544.)

6 23. A ntr%cr of plant op.' rating trannients were 7 ,, cennidoled by PGandt in ordor to t.sscan the cafety rmrgir.c 8I of the plant design. The critorion for detailed design of I

9

! the rm:ctor control and protection nycten ic to be able to 10 I eutcrtically tri:o corrective action to cope with any of

, thtero transiente. Prelirainary cunlynca will be rne nicult.ted 11 l

12 during d.tuiled pirnt design to varify that trr.nsients are 13 within the ecpabilitice of the reactor contral and protection 14 In tddition, potential accidents c';ich could rcsult l rc'r te. c .

15

• in radio: ctivo role: r.cs to the environunt h:.vc bc n annly:'cd i

16 ,j by rGeMn, and the reculting denn fr.31 within th; 10 CFR (S . C. 1 pp. 55-5'); A.E.

1 17 I Part 300 guidelino do c lovels.

Ic j pp. 28-31: Tr. pp. 400-484.)

24. nocetrch and development work ic bcing carried Ic l i

20 out to develop and confiro (i) the docign of tha cuergency 21 l core cooling cycten, (ii) the finni core therr.nl-hydrnulic, 22 l

nucienr and r.nechanice.1 denign parar.eters, cnd (113) the detni]c of the contain aent spray system. Th2 information to 23 24 bo develop rd under thoco progrtsra will be submitted 25 periodienlly for revicw by the AEC Staf f and it will be set 26 forth in the Final Safety Ant.lyuic Report, which will bc 4 1 12

i 3 p;. - 1 n:v! fi30. jh ru; i ort o f 1% : ';),' r, r.;,_.Jc;ition fo: en

• ,J:. Ling l i c.c m e . 1,11 of the 3 n f o:. . . t. i o:'. t c. he d en .l e). I

.' t, J I

en/, th n** liregr. .i, exe p'

' foi the L*~d T t.( r '; prog rau o.:

.- t-P vi. i l t.lile in l?to or 1950. Thin bit"Jc.'n f ore. c , U111 b 5 vil l pe ra,it t.he saf ety qw :iticac thene progrc:.s were de T ic'w0

/

0 to rerolve to be nnnt'ered beforo cort.p3etion cf co w truction 7

J

[' of the Diablo Ccnyon P3t nt late in 1971. The recults of the These 6 l LOPI' test progran are expected to be availabic in 1971.

o  ! results arc desirable to show the enount of conservetion in i

10 i, the denign of the Dicbio Plant to withetend necident biceido-'n

, forcon. Itow eve r , these resulto cre not neccer ary t.o cor,e.1ete 1.

I (S . E . I pp. 50-60; 1..E. 1 pp. 24-27; 18 , the derign of iha Plant.

i 12 lTr.pp. 316-337, U S , 462, 466, 492-502, 504-520, 541-543.)

Ic g 25. The princly.al nrchitectural r.nd engincoring li .crittrin for the decign of the propoLcd fncility htxc b :a li *[fi The 1.CRS report has ide:itified cortnin 1{ F docctihad by TGandE.

i l '.i trer.s requiring further revic.t.by the AEC Staff cs the plant i

13 design details are de"cloped or ec the cdditionnl inforn:ition 1,: , becon as availab?.o. These ite ..s vill be revicwed with ' tee i

p ,- i Staf f Lnd by th? ACRS prior to issunn:o of In operating i

1 pp. 31-.'6; Tr. pp. 330-3^.C, 2 '. lliconec. (S.E. 1 pp. 60-61; A.E..

22 355-369.)

27  ! 26. PGands is a California corporation, and all of 2' ' itc directorn and officers are citinons of the United States.

25 It is not ouned, controlled or do.ainated by an alien, a The Applict. tion E6 forcign corporation or a foreign governe. ant.

i 13 L

I

' I e cu t a i ::'- no ri :, t.

• t '. ' o' o !.i u r d f . inft t it a, en1 3 ,

'- "' vll' h' r ; . n d t '. .t ii u j .1 1 to't p. vrc i t. i :iy i n0 i , i t'r .1 t.n l i

de t.. .:, ; i n ni j o:i h

• b< :i e, hive secrett t o l'e n t r

• r t < ' tl,- ! ;i uitil .: .

4 l':.de by the /,UC th t port itti % i.ece r, , to r:uch d st:. by cny

f. , individual will not endt.ny :r th e co.~ .cn de f : .u. .. and security, i

0 t Spacial nuclear nutc rial to be used in connection with the I:

'i j proposed f t.cility will be subject to 1EC regulation. S r. f e-8 guaron exist against possible divorcion from their intended 9

use of r.mtcrinic produced in the reactor or special nuclorr 10 1:ictorial. (S . E . 1 p. 62; A.E. 1 pp. 46-47; Tr. pp. 92, 11  !, /. 4 7 /. 5 0. )

12 13  !

CO::CLU.0Io!:S Id:D OEUR I

1/, Upon cor.cid:rr. tion of the entire record in thin 15-l-ptcce. ding, tnd in the light of the findingc r.nd diccuccion:

1 16

! t.et out rFove, thir Atomic safety and Licen::ing Do:.rd hac .

l l'/ conc lu9.cd' that: ,

1. In t.ccordunce with the provisions of.. 10 CFR 18 l .,

19 .

50.35 (a) , ,

f pc (n) Ponn'3D has deceribed rho prop:3ced ' design of El I the facility edjac:nt to Dichlo Crc.ch, including the 22 1 principt.1 crchitectural and engineering criteria for the I

l 23 decign, and has identified the r.ajor features or cc:nponents 2.; incorporatc d in tha propoced facility for the protection of i

25 the health and cufety of the public 20 . (b) Such further technict.1 or de ign inforr.otion i

14

i

~

! a: L. re Jci' to cre ;,1 < Le th ' t fi.t y 1 Jysi:, i a n.ie b ;

) U n>

P j c.m re m' . ; b: f b- 1 ft for htc r co: ! <h ri: t i rsn , vil l 1 3 nu:v.lic.?

in t!.o Pinn1 Si fety Anelyn.in 1

<.po r t ; I (c) P.nfety f oi.turce or cc: .per. r,ta, which re:Jui a c 1 ,

cnd 6

l rece..reh and dc vc.lo; r.~::t have been dancroed by l'G; nd :

a 6 PGandr. hi.e identified, z.nd there will be conducted,

? reccerch r.nd d:.volop e.cnt program recsonAly designed to 8 resolve any safety qucations acrociated with such fcaturcs 9 or components; and (d) on the basic of the foregoing, there is 10 11 l renconabic cteurence that (i) such snfety quc stionc vill bc 12 .' satinfretorily rcrolved at er before tho latest- date stLtud l

i 13 l in the Applict. tion f or cc:.pletion of construction of the I

14 l proporc d f reility nnd (ii) inhing into con. sideration the cite i

15 l critorit. containo:] in 3 0 CFR 100, the proposed freility enn i

16 l be countrected Lnd oportted at the prope:cd location without 19 untxo rir.h to the henith ar.d saf ety of the public; le l 2. PGands is techntenlly qualified to desigr,and 19 construct tha proposed facility:

20 3. PG?.ndE is financially qualified to det.ign and 21 construct the proposed facility; cnd 22 4. The issur.nce of a permit for the construction 23 of the f acilit'/ will not be inimical to the cc:zaon defence 24 and security or to the health and safety of the public, J

25 Purcuant to the Act and the AEC's regulations, 170 15 L

L O

1 ! 1 ', 3 0. N. r ' U 'r ,5 3.: ,

1'c the C: .ia*. ion ty.a it., ,

., 1. S u'.1,; <.c t t.o r evi . i I

l

?- o. ' i L.>;. ion or upon l '. c f i l i t. j r. . ' em e;,t. i ons in c e_ e . q d ..n c e

'i

/J I wi h th " Ru ' <f of Pr:.ctic( ,

" 10 Cl'8 2, P::ci fic G: - aml 1

5 l M); ctric Cory;ny in cut.h$ri::cd t.o cont.truct the f t:cility in 6 accordance with the /pp.11ertion and with the evid.:nce trA 7 reprce.cntaticr.a entered in the record at the her.rir.g; i

8 2. The Director of Regulation in direcu d to 9 issua n provi .ional conctruction 1,ornit purt.uant to Scotion of th; Act t anttnt.iolly in th: f or- of I.^ pent:1>: A to 10 10/. b.

11 th: "Imtic o c f Hei. ring on Appliention f or Pro /isions,1 12 Co: 'treetion Peruit" in thic precaccing, within 10 6cyr, fror.

l 33 li the dcto of issuance of this decir. ion; and I f, 3. In cecordance uith 10 Crn 2.764, good etxrc. ,

this initiel 6.cicion 15 / not havir.g b:2n ch::en to the contrary, t'

10 h r.hn11 be ir.:.:dintcly of fr.ctivo.

Il

'l. .

l'/

I i

ATCdIC SAFEIY led LICEI Sill'i BOARD 18 i i

l 19  :

1 llugh c. Paxton 20 21 l Thomas 11. Pigford 22 '

23 Algic A. Wolls, Chdirracn 24 ,

l I

25 l Dated c.t 26 j 1968.

i this C r.y o f i

16 L.____