ML20127L323

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Forwards Proposed Findings of Fact Submitted to Board at Conclusion of Hearing on Application by NSP for Const Permit
ML20127L323
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 05/29/1967
From: Charnoff G
SHAW, PITTMAN, POTTS & TROWBRIDGE
To: Robinson S
US ATOMIC ENERGY COMMISSION (AEC)
References
NUDOCS 9211230494
Download: ML20127L323 (12)


Text

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7. DOCKET E'iBER

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May 29, 1967

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Mr. Stanley T. Robinson, Jr.

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.i Chief, Public Proceedings Branch Office of the Secretary

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U. S. Atomic Energy Commission d

Washington, D. C.

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Dear Mr. Robinso.n:

Enclosed are two copies of the Proposed Findings of Fact which

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were submitted to the Licensing Board at the conclusion of the hearing on the application by Northern States Power Company for a construction permit. (Docket No. 50-263)

The AEC staff concurred in the proposed findings.

O As indicated to the Board on the record, there is a typo-graphical error on Page 3.

The bracketed material beginning in the middle of Page 3 and concluding at the top of Page 4 is to be set out as a footnote.

Very truly yours, r,

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6 Gerard Charnoff GC:mw Enclosure g

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l' Phu.iUM,(R yeeQ 3 UNITED STATES OF AMERICA ATOMIC ENERGY COMMISSION i

In the Matter of j) i

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i NORTHERN STATES POWER COMPANY

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Docket No. 50-263

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k Monticello Nuclear Cenerating Plant

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PROPOSED FINDINGS OF FACT AND CONCLUSIONS OF LAW D0CXEiEO S

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BY THE APPLICANT (IN THE FORM OF A PROPOSED INITIAL DECISION)

D MAY 311957 > ~9 l

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rdits tracemg Preliminary Statement tract D

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s, 1.

This proceeding involves the application of N

Northern States Power Company, a Minnesota corporation

( Applicant), dated August 1, 1966, and eight amendments thereto, i

dated September 8, 1966, November 18, 1966, December 29, 1966, January 10, 1967, January 21, 1967, March 3, 1967, March 16, 1967, and March 28, 1967, ($1ereinaf ter collectively referred to as "the application") for a provisional construction per-i mit to construct a boiling water reactor to be located at the Monticello Plant of Northern States Power Company in Wright County, Minnesota.

Applicant has requested an initial authorization to construct and operate the reactor up to 1469 megawatts (thermal) but anticipates that the reactor i

will ultimately prove to be cepable of operating at a power i

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level of 1674 megawatts (thermal).

2.

The application was reviewed by the regulatory l

j staff (staff) of the ftomic Energy Commission (Commission)'

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  • iodthattheproposedfac(,[itycanbnconstructeda a

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!at the proposed sito without unduo risk,to the health and i

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safety of the public.

(Staff Safoty. Evaluation, pp. 23-24) i l

i 3 iThe application-was also reviewed by th,e Advisory Committec j

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on Reactor Safeguardo which concludod that the propoced reactor 4

i can be built at.the Monticello site with reasona,ble assurance-g, l

I that it can he operated withou't undue risk to the health and 0

. safety of the public.

(Staff Safety Ivaluation, Appendix C-1) 7 o

3.

On April 21, 1967, the Commission' issued a 3

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" Notice of Hearing on Application for Provisional Construction P rmit" in the captioned matter which contained the requisito-10 l

j j) ifindings proposed to be made by the Director of Regulation 12

. support-the issuance of the provicional construction permit t

!which the Director of Regulation proposed to issue to the l

33 Applicant.

14 4.-

Pursuant:to the notice of' hearing and in 10 i

. accordance with the requiremento of the Atomic Energy Act of w.i ny1954, as amended,-(Act) a hearing was held before an Atomic 17 h Safety and Licensing Board (the Board)Lin the Wright County g

(Courthouse, Buffalo, Minnecota on May125 - 26, 1967, to l

19 3

consider whether a provisiona'l construction permit should be.

g issued.

The parties'to the proceeding were the-Applicant j

21 i-I'and the staff.

Purcuant to the provisions.of 10 C.F.R. 22 I

'Section 2.715(c) of the Commission c " Rules of Practice" i

G limited appearances ucro entered by Mr. G. B.'Scabo'rn,-

-24 f,ropresenting Dr. Robert No--Barr, Secretary:of the Minnesota, 25 I

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t ll Uator Pollution Control Commicsiont Mr.,Eric'Wykoo, reprosonting Dr. Barr in hin. capacity ao Socrotary and I

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3 E::coutivo Office of the Minnocota Departmont of Healtht Mr. F. J. Murray'and Sidney A{. Prc11 con, reprononting tho 4l S

lionorable Jarlo Loirfallom, Comuiccionor of Connorvation 1

G in the Minnecota Stato Concorvation Dopartment; Mr. Loo J. Barthcl, Cha rman,' 'ight County Board of Commisolonoral I

yl 6' and Mr. Charlso Erlandcon, Mayor of the City of Monticello.,

A limited appearance uno also made by Mr. John Pogora, a 9

resident of Hopkino, Minnesota, on bahalf of himself, the 10 y

Citizens Committoo to Procorvc the Un.ncouncre from n Nuclear 1;

i 12 l Catastrophe at Monticello, Minnocota, and Clone Air, Clear 4

4 Untor - Unlimited.

Thurc a rc no intervonors. h petition to

}3 10, 1967, uac filad by Mr. John Pogorc.

14 ll intarvono, dated May l

15 ' In t)30 camo petition Mr. Pogora alno requested permicsion for "a

Clear Air, C1 car Water - Unlimited (thu Organization),
g local citizens' group concernco with mattora of public health gy

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10 ! and safety" to intervene.

The petition to, intervene was denied

.y the Board by Order dated May 10, 1967, for failure to conform

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.d th the regy'iremento of Saction 2.714 of the 'Commiccion's 20 "Mulos of Practioc".

Tho May 10 Ordur granted permission to 21 Mr. Pogors and tho Orgcnization the--right to make a limited 22 23 CPPearanco.

A subocquent request for reconsideration'of the Board' Order was withdrawn by Mr. Pecorn at the commencement 24 j

the hearing who requested, in liau thoroof, an opportuni:ty 25 1

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The propocod facility uill be ownod by the

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g Applicant, which in a privatoly owned, olectric utility l'd G

corporation.

It is coundly finanec.d and has plantiful y

resourcos at its command.

It plans to finanoo the cost of 0

construction of the proposed facility in the same mannor as I

O it financos other planto, namely, through tho. internal 10 gonoration of fundo in the ordinary courso of businoso and 4

11 the issuance and solo of accuritioc.

12 6

The Applicant has gained oxf>criance in tho construction and operation of nuc1 car pouorod generating 13 stations as a result of its conctruction and operation of the 94 Pathfinder Plant.

General Eloctric Company, which will 15 I

design and construct the antiro Plant, has had considerable gg oxperienco in the.donign and construction of nuolocr orojects, j7 i

7.

The cito of the proposed Monticello Plant 10 consists of 1325 acroc located partially in Shorburno County gg

( n the east bank of thn Miociccippi Rivor) and partially 20 J

in Wright County (on the woot bank of the Rivor).

The Plant 21 "i11 "' 1 cated,in Uright County.

Tno sito io about 22 miloa

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noutheast of Stl Cloud (19GO populction 33,615) and 30 miles g

northwest of Minnonpolic (1960 popu' Action of metropolitan area, g

including Saint Paul, cpprcximately 1,400,000).

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The propoced facility uill bc owned by the S

Applicant, which in a privatoly owned, oloctric utility G

corporation.

It in soundly financod and,has plantiful l

7 recources at its command.

It plans to financo the cost of l

0 conatruction of the propooed facility in the same manner ac o

it finaneco other plante, ncmaly, through the internal'

0 generation of fundo in the ordinary courno of buoinces and g

the issuanco and colo of occurition.

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The Applicant has gained experience in tho a

construction and operation of nuc1ccr pouorod generating

4 Stations ao a recul't of ito construction and operation of the jg Pathfinder Plant.

General Electric Company, which will 10 design and conotruct the entiro Plant, has had conciderable 37 oxperience in the. design and construction of nuclear projecta, l

7.

Tho sito of the proposed Monticello Plant g

10 consists of 1325 acrea located partially in Sherburno County i

(on the c,act bank of the Miccincippi River) and partially

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in Wright County (on the woct. bank of the Rivor).

Tho Plant g

g will bo, located,,in Wright County.

The sito is about 22 miles l

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southeast of St. Cloud (1960 population 33,815)'and 30 milco,

,,3 northwest of Minnonpolic (1960 population of me,tropolitan aboa',

g including Saint Paul, approximctoly 1,400,000)..

The nocrost Bo 9

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ceidence la appror.imatuly 3000 foot fi'om the prolocod Plant 1

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The area surrounding the site in rur'al with rnJy i

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.2 few sma).1 villagos within 15 milec of the site.

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8 The decign'of the major systems and the

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containment structuro, which boar eign'ificant'ly on the O

l acceptability of the Plant under the site critoria guidelino's O

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Part 100, have boon analyzed and i

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. valuated by the Applicant end the staff at a power lovel 0
of 1674 MWt.

The thermd1 and hydraulic characturistics of l

10 the roactor core waro analyzed dnd evaluated at 1469 IS't.

i 11 9

Tho propocod facility uill to cimilar to a 12, numb'or of boiling water roactors uhich are either in operation 13 or now under construction purcuant to previously inuuod i

14 Commission construction permitoJ It is a singlo-cycle, forced <

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1 circulation, boiling water roactor producing otocm for direct 4

use in the steam turbine.

Tho reactor will be fueled with i

slightlyenricheduraniumdioxidepelletssealedinzircaloy-2 fuel rods.

Reactivity control vill be provided by movable j

control rods, temporary control curtains, and variable re-l circulation flow.

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f 10.

The Monticello Plant will be the first reactor y

to utilize a reactor pressure vessel which is to be partially i

assembled at the site, although a significant portion of the i

vessel will-be shop fabricated.

The staff, its consultants,

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and the Applicant'have concluded that tho' integrity of the field-assembled reactor vessel will be at least equivalent i

to that of a shop-fabricated vessel.

The Plant design will permit in-service inspection of the reactor vessel and other' primary system components.

l 11.

The reactor primsry system will,be located f

within an_ independent primary containment system (consisting i

i of two large stool pressure vessels: the drywell and the pressure suppression chamber) which is designed (a) to accom-l5 modate the pressures and-temperatures which could-occur in the unlikely event' of a failure equivalent to a circumfer-e m!.

ential: rupture of a recirculation line within'the' primary containment,-and (b) to retain radioactive fission products which might be released as a consequence _ of this-and lesser i

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e accidents.

The proposod facility will cleo utilizo cn inde-pendent secondary containment system which consAst,s of the reactor building (Which houses the primary containment system),

the standby gas treatment system, and the 290-foot s. tack.

The secondary containment system is designed to minimize the rw-lease of radioactive materials by providing controlled and filtered release of effluents in the unlikely event of an-t i

accident.

Reactor process and auxiliary lines Which pass through the containment will be provided with isolation valves which close automatically under accident conditions.

12.

Auxiliary cooling systems will be provided to prevent fuel clad molting for the full range of primary system pipe sizes Which may be postulated to fail.

These i

systems will be multiple and independent to provide maximum reliability and to assure that no single failure would pre-clude the continued operation of these independent safety features.

13.

The proposed facility incorporates soveral design features for which additional information will be pro-vided to' the staff by the Applicant.

These design features include the core spray system, the control rod worth minimizer, I

1 control rod volocity limiter, the in-core neutron monitoring system, and the jet pumps.

These features have been' reviewed in prior proceedings in connection with, and are also being e

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included in, the Drosdon Units 2 cnd 3 (Dockots Noc. 50-237 and 50-249) and the Quad cities Units 1 and 2 (Dockets Nos.

50-254 and 50-265) Which are now under construction and are scheduled to commence regular operation prior to the comple-i 7,

tion of the Monticello facility.

In addition, the Applicant j

will provide to the staff a test program, and the results t

I thoroof, for the testing of the main steam line isolation l

valvos under simulated accident conditions.

14.

The application contains a description of the sito and the basis for its suitability, the principal archi-toctural and engineering critoria for the design of the facility, j

a detailed description of the proposed facility including those reactor systems and features which are ossential to safety, an analysis of the safety featuros provided for in the facility design, and an ovaluation of various postulated accidents and hazards involved in the operation of such a facility and the engincorod safety features provided to limit their offect.

Additional testimony and documentary evidenco relative to those mattors is included in the hearing record.

Also included in the application is evidence of the financial qualifications of the Applicant and the technical qualifications of the Appli-cant, including those of its contractors, to design and con-

_struct the facility.

The staff's review of the application g

explains the consideration which was given by the staff to the l

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I important sofoty fonturco of the propocad fccility cnd tho sig-nificance assigned to those systems and features important to '

the prevention and mitigation of accidents.

I Conclusions and order _

15.

The application and the proceeding thereon comply I

with the requirements of the Act and the Commission's regula-(,

tions.

There are no unresolved safety questions pertinent to the issuance of a provisional construction permit.

The proceed-ing was not a contested proceeding, as defined by 10 C.F.R.

S 2.4 (n).

16.

The Board has given careful consideration to all of the documentary and oral evidence produced by the parties and to the report of the Advisory Committee on Reactor Safeguards in this proceeding.

Based on our review of the entire record in this proceeding, we conclude that the appli-cation and the record of the proceeding contain sufficient information, and the review of the application by the staff has been adequate to support (1) the findings proposed to be made by the Director of Regulation, and (2) the issuance of the provisional constructi,n permit, as proposed by the Director of Regulation.

17.

Pursuant to the Act and the Commission's f

regulations,_IT IS__fADERED THAT, the Director of Regulation is authorized to issue a provisional construction permid to

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1 e-Northern States Power Company substantially in the form of Appendix A to the " Notice of Hoaring on Application for Pro-visional Construction Permit" in yho captioned matter.

.IT IS PURTHER ORDERED, in accordance with 10 C.F.R.

S 2.764, good cause to the contrary not having been shown by a party, that this Initial Decision shall be effective immediat'ely upon issuanco, and in the absence of any further order from the Commission, shall constitute the final decision of the Commis-sion on (forty-five days after issuance), subject to the review thoroof and further decision by the Commission upon exceptions filed b, any party pursuant to 10 C.F.R. S 2.762 or up.on its own motion.

ATGMIC SAFETY AND LICENSING DOARD e

Arthur W. Murphy, Chairman 4

Dr. David B. Hall I

Dr. Thomas H. Pigford l'

h Dated at Germantown, Maryland e

this day of 1967 I

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