ML20063N724
| ML20063N724 | |
| Person / Time | |
|---|---|
| Site: | Clinch River |
| Issue date: | 05/13/1982 |
| From: | Ferrell C NRC |
| To: | Thadani M NRC |
| Shared Package | |
| ML20062N348 | List: |
| References | |
| FOIA-82-344 NUDOCS 8210060455 | |
| Download: ML20063N724 (19) | |
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III. ' GEOGRAPHY AND D E '40 G R A C H Y OF-SITE ENVIRONS III.
A.
Site Descriotion and Exclusien Area Control-The' proposed Clinch River Breeder Reactor Plant (CRSRP) site is located in Roane County in east-central Tennessee approximately 25 miles' west of Kaoxville and within the i-city l limits of Oak Ridge, Tennessee.
The CRSRP site consists of approximately 1,364 lanc acres on a'ceninsula fo~rmec by a ?.eander in the' Clinch River.
The site is bounced on the east, south, anc west cy the Clinch' River and or the north by DOE's Oak Ridge Reservation.
The site is shown on a general nap Of the region in Figure 11 ano en-a local area cao in Figure 2.
Tne to;egraphy of the site area is characterized by a series of parallel ridges generally orientec in a northeast to southwest cirection.
Chestnut Riege, running across the.
northern par: cf :ne site, is the doninant topogra;nic feature, reacning an elevation of 1100 feetnabove MSL.
The grace eleva icn in :he sou:nern car: of :ne site where the cre;cse: clant structures will be locatec is S15 feet above MSL.
The cr0; sec exclus;;n area w i l l-include the site c r a ; e'r t y and the river adjacen: to :ne site, less 112 acres along the ner:hern b:undary which have-been set aside for an
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industrial park.
A map cf tne site showing the exclusion I
area bouncary lines, the site property limitse anc the l
principal plant structures is shown in Figure 3.
The I
minimum exclusion area boundary distance is accroximately 6
670 meters (2,200 feet) measured frcn the center of the L
f containment building southwest to the nearest pcint on the exclusion area bouncary.
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The site property is ownec by the United States of America anc is presently in the custody of the' Tennessee Valley Authority (TVA).
TVA will transfer to 00E the custocy of l
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those acetions of the site which are requirec for the pur:Ose Of designinge constructing, and operating tne CRERP.
The proposed exclusion area will not be traversed y any pubLie highways or railroacs; however, the Clinch River along the easterne southern anc western boundary is included witnin tne exclusion area.
Movement on the Clinen River will be Ontr0lled in the event of an emergency by the l
ap0licant in cocrainati0n with Other approcriate agencies as scecifie: in the radiclegicsl e ergency = tan.
The river can< On the clant site w1LL be posted to inform river users Of tne near:y nuclear plant.
A small fanity ce etery is locate in the southern cart of the site.
Access to tnis
- emetery sitt be ::ntr:lled cy the acclicant.
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We conclude-thatsthe:acolicant has the Ltc determine al'l activities within-the exclusion area, as t.
j requireo by 10 CFR Part 100, based on the applicant's cust'ody Of the-site property and the commitment'to make arrangements to-control traffic on the Clinch River in.the s
t event of an emergency.
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III.
9.
Poculation Distribution Approximately 4,440 c cple resided within 5 miles of the t-Clinch River site in 1980.
This represents an increase of F
1,700 persons in this. area since the 1970 census.
- Kingston, Tennessee, located 7 miles away in the west directione is the largest nearby town and had a 1980 population of 4,367.
Other mejor nearby communities are Oak Ridge, Tennessee (1980 peculation 27,522) located 9 miles northeast and Knoxville, ennessee (1980 copulation 1h2,249) located 22 miles east-northeast of the reactor site.
Table III snows the current and projected populations within 30 miles of the site.
A proximately one-tnied of the area within ~ 5 miles of the site is comprised of land owned by the U.S.
Government and in custody of either TVA or DOE.
Although the Clinch River site is within the city li mi; s'.o f Oak Ridge, the resicential area is located between sever and fcurteen miles northeas: Of the site.
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~ Transient population in the site vicinity, other than travelers on' local roads and. highways, consist primarily offworkers at three large industrial' activities on the
. 0ak Ridge reservation.
There are approximately 5,600 employees at the Oak Ridge Gaseous Diffusion Plant, located about 3 miles north-northwest of the site, 5,000 encloyees'at the Oak Ridge National Laboratory located i
about 4 mi'les east-northeast of the site, and 6,300 emoloyees i
l at the Y-12 plant located about 9 miles northeast of the site..
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i Recreational facilities within 10 miles of the site consist' primarily of numerous small camping and water access areas.
The nearest recreational activities of significance are a 100-uni: commercial camping site about one mile from the southeast of the site.
The applicant estimates that the peak nour use of the recreational facilities within 10 miles of the site totals about 10,000 persons, baseo on 193C information, and is projected to increase to about 11,000-by 1990.
Over 50% of these recreational visitors'are attributed to spectators at the s:cck car track.
We comoared the projected population in the CRSR site vicinity with the accectance criteria given in' Regulator.y Guice 4.7 " General Site Suitacility Criteria for Nuclear Power Stations" anc Standard Review Plan Section 2.1.3 The resioent plus weighted;tr'ansient oopulation density
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5 within'30 miles ~of the site at crojected time of plant
's t a r t u p -- ( t a k e n to be year'1990)-was compared with a densityr
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- of 500 persons per scuare mile.
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copulation as a-function of distance compared with a site o
Up having a uniform density of 500 persons.per square mile.
e Similarly,'the' resident plus weighted transient population density.within 30 miles of the site.at projected end-of.-
l plant-life (taken to be year 2030) was compared with 1000 persons per' square mile.
Figure 2.2 shows the projected 2030 copulation as a function of distance compared with a-site having a uniform density of 1000 persons per square r
B x-mile.
From tne figures it can be seen that the? population I
l density in the vicinity of the CRSR site is well within 500 persons ~per square mile at time of clant startup and weLL within 1000 cersons per square mile at end-of-Life.
The weighted transient pcpulation within 10 miles was-k i
estimated to be scout 7,000 persons.
This was added to the 52,000 residents in generating Figures 2.1 and 2.2.
The majority of the transiants are due to em Loyees and local school population.
Since a significant number are probacly l
aLso resioents within 10 miles, we estimate that.simpty-i l
adding the weighteo transients to the residents 1 introduces-some double counting and that this is-therefore conservative.
The weigntir; factors used were based on annual averags-occucancy factors for tne var.ious groups.
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10 gi31Iisit CLINCH RIVER BREEDER REACTOR PLAtlT
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DtSTANCE FROM PLAT 4T, MILES CUMULATIVE POPdLATION DISTRIBUTION '
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6 tp Ir order to verify the applicant's population. data, we.
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I' obtained an independent estimate of the 1980 population within 50 miles of the site from U.S.
Sureau of the Census l-k data and compared this to the applicant's 50-nil.e population value for 1930.
We found that the U.S.
Sureau of Census value of 837,300 was in good agreement with the applicant's value of 830,800.
We also compared the applicant's projected.
population growth rate to the year 2030 for the area within 50 miles of the site to the peculation projections of the U.S.
Bureau of Economic Analysis for Economic Area 50, an area comprising' east-central Tennessee and southeastern i
This comparison showed that the applicant's
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population growth projection of 2.5% per decade for :ne area within 50 miles of the site is less than the regional growth crojection of 5.6% per decade for Economic Area 50 made by the U.S.
Sureau of Economic Analysis.
The soplicant has scecified a low coculation zone with an outer coundary distance of 4,025 meters '(2.5 miles) measured from the center of the. proposed reactor location.
-Accrox-imately one-thire of this area consists of land within the Oak Ridge reservation and the remainoer is enaracterized by low censity rural development with no large concentrations of copulation.
Cased on cata cresentec by :he acclicant, we estimate na: tess than 1500 people residec Within 3 miles inl1930 and the soplicant projects virtually-no' change-v, e+
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Sasec on our review to date of the proposed LFI with respect to such considerations as access routes,_ccoulation distribution, and land use, we concluce that the crotection of the p'blic health and safety can be reasonably assured by the application of advance planning measures, early warning cacabilities, protective equipment, and accrocriate protective features for those facilities which cannot be i
evacuated due to process and/cc security recuirements.
Our conclusien is predicated on the assumption that the CR9R clant can be designed to mitigate the most sericus cesign f
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basis a :ider: 00nsecuences within the d0se limitation prescribec in 10 CFR Part 100.
The nearest population center, as defined in 10 CFR Part 100, is Oak Riege, Tennessee hich had a copulation of 27,552 in 1980.
The population center distance, based on the a;Ogal populati:n distribution, is 7 niles in the north-n rtreas dire :i n.
This cistance is greater tnan the mini um copulation center cistance Of one and one-tr,ird times :ne distance from tne crepose: reactor tocation to the Outer bouncary Of :ne low pcpulation :ene, as rec'airec by 10 CFR Part 100.
The acclican-states that future resicential devel09ent of Oak Riege will not result in poculation gr:stn closer : nan 5 miles fr the site due 0 cresert zoning restri::icns.
3
. III.
C. Nearby Industrial, Transoortation, and Military Facilities Nearby. industrial. facilities to the proposed Clinch River site consist primarily of the nuclear-related facilities o'n-the Oak Ridge reservation.
The Oak Ridge Gaseous Diffusion Plant CORGDP),. located about three miles north-northwest of the site, produces enriched uranium.
Anhydrous hydrofluoric acid (AHF) has been identified as a hazarcous material stored at ORGDP whose accidental release :culd possicly inca:t on the safe operation of a nuclear plant at the Clinch River site by affecting plant operators in the control room.
To evaluate this accidenti it was postu'.ated that an AHF storage l
tank failed and 2,000 councs of the AHF evolved as a gas over a 15-minute pericd.
Using :enservative assumptions regarding metecrol:gy and not taking credit for the buffer-effect of the intervening ridges between the ORGDP release point and
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the Clinch River siter the con =entration of hycrogen fluoride (HF) gas at tne site was determinec.
The analysis indicated that basec on the assunctions noted above, the concentration of HF gas at the Clinch River site :Outd exceed the reconnended excesure limits.
The applicant nas conc.itted to evaluate the habitacility of the : ente:L FO:n in a:ccrdance with the guicelines containec in Regulatory Guide ~1.73, "Assun:tions-for Evaluating the Habitacility of a Nu: lear
. wer ? l a r.: control ROO9 During:a
?:stulate: Ha:ar:cus C h e.T i c a l Release" a n c e - f u r t h e r., te install l di' El
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-HF; detectors-in the control room air intakes which will alarm and-automatically-isolate,the con ol room upon detection of the HF gas.
The :pplicant al i states that the transit time of the gas between the releast point a r4 d the site would be of ' sufficient length to allow for communication between-CRGDP and CRSRP and subsequent isolation of the conteel room.
Communications procedures between ORGDP and CRBRP are Po be included in the site emergency plan.
We have revieweo the applicant's analysis and conclude that the potential accidental release of a large quantity of HF gas a ORGDP will not precluce the acceptability of the Clinch River site on the basis that the installation of HF detectors in the control' room air intakes ano adeouste communication procedures will assure the timely isolation of the control room.
We will review the control room design during the course of the-radiological safety review and will report our conclusion regarding the adecuacy of the habitability systems in the Safety Evaluation Report.
The Oak Ridge National Laboratory (ORNL) is located about' four miles east-northeast of be site.
The accroximately
.5,000 employees a ORNL are engaged in basic and applied research in activities in nuclear anc o:ner technologies.
The Y-12 Plant, whien emoloys about 6,300 cersons, is located nine. miles northeast of :he site.
Pro' duction and research c
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10 and development facilities are provided at Y-12 for DOE.
No activities have been identified at either ORNL cr Y-12 which constitute a ha:ard to the safe operation of a nuclear plant at the Clinch River site.
One smalL industrial facility i: Located on a 33-acre tract in the 112 acre Clinch River Consolidated Industrial Park (CRCIP) along the northern boundary of the site approximately 1.5 miles from :he proposed location of the plant structures.
This industry, employing 30 people, fabricates acate:n absorbers fer ac.er reactors and fuel elements for test reactors.
This activity is considered to be concatible with the deveLO ment of the Clinch River site for a nuclear clant.
The ajor trans;0rtation artery in the vicinity of the site is Interstate 40 which passes approximateLy 1.25 miles to the south.
State Route 53 is about 1.5 miles to the ner:hwes: anc S:ste Route 95 about tnree miles east at their closes: Ocints of accreach.
Ha:ard us a:eriaLs for
- r. e.earcy CRNL and ORGCP +acilities are transecrted Over these highways.
An acciden inv:Lving a tank :"uck carrying AHF has been ;cstulatec for evaluation curp ses.
The i n s t a l L a t i c.- Of HF :e:ect:rs in the centr 0L r00m air intakes, and the distances of these routes from the site, insure that highway accidents iav Lving AHF wilL nc: preclude :ne sJi:acility of :ne site.
During the course Of the radi: Logical safety review we wilL evaluate
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what other hazardous materials, if any, are transported over these highways and re uire consideration in the design of the CR9R control room.
Based upon the staff's previous review i
expertence, we conclude that aporocriate detectors can be provided, as required, in the control room design to safely I
mitigate ac:idental releases, and that such accidents, I
therefore, will not preclude the suitability of the site.
The closest major rail line is accroximately ten miles northwest of the site.
Inis cistance is sufficient to eliminate otential aailroad accidents as a factor in determining the evitability of the site.
There is some :ommercial barge traffic on the Clinch River cast the site.
Lock re:Ords at the Melton Hill Dam, approximately five mile. ucstream fron the site, indicate that over a ten year perio: (196c-1975) an average of four barges per year went thrcugn the locks.
The barges carried primarily steel cre:ucts an: the applicant states that no exclesive, toxic, Or ha:ardous materials nave ceen transporrec cy carge past the site.
There is a potential for increased barge traffic due to the crop;sec ::nstru: tion of coal barge leading facilities above One si e.
However, no hazardous materials are ex;e ted to be incluce: in this increase: barge traffic.
We conclude tnat postulate: carge na:arceus material accidents need not be censidered in the design Of the clant.
In addition,
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ac:icents witn -he cooling water intake
12 structure will not affect the ability of the plant to operate safety since-water intake-from the Clinch River is not essential for a safe shutdown.
4 The closest airports to the site are two light plane facilities located at a distance of about ten miles from the. site.
McGhee-Tyson (Knoxville), located 23 miles east-southeast of i
i the site, is the closest major airecr with scheduled commercial flights.
The nearest flight path is V16 between Knoxville and Hinch Mountain which passes accut ten miles south of the site.
We conclude that the distances of these aviation facilities a'r e adecuate to insure that they will not adversely affect the suitability of the site.
The nearest fuel su ply pi:eline is a six-inch natural gas pipeline which runs in a north-south direction and casses' l
about one and One-third miles eas: Of the proposed location of the plant s:ructures.
Based on the relatively small si:e of the pipeline anc its Oistance from :ne site, we conclude I
tha: this pipeline will nc: preclude the acceptability of the site even if in the future a =cre hazardous gas such as :ropane were a:ded to the natural';as in the piceline.
The acclicant states that there are nc cil refineries or
- storage facilities, quarries, cr.-ineral extraction : erations in the vicinity Of the site.
There are noimilitary bases or
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4 13 fa:ilities within ten miles of the site.
In order to evaluate the potential impact on the Clinch River site of the possible future expansion of existing facilities and the devel:pment of new DOE programse the applicant recuested the Oak Ridge Operations Office to survey the present activities and to establish the basis for a long-range land-use plan for the Oak Ridge reservation.
The results of this survey, and DOE site selection and impact evaluation recuirements, provide reascnable assurance that potential new activities on 00E controlled land will not impose I
an undue risk on the safe operation of the CRBRP.
In addition to the roje::ed DOE or:gramse the Exxon Nuclear company had recuested a 2,500-acre site e,n the Oak Ricge reservation for storing and re:rocessing spent fuel and had submitted an application to the "cnnission to cons:ruct this facility.
The Exxon site was to ce located accroximately 2.5
-ites north-northeas Of the Clinen River site.
Since Our Original Site Suitability Re: Ort dated March 1977, plans for this facility have been terminated and the application was withcrawn.
The nature and exten: Of potential hazards resultir; f e.-
-an-related a::ivities which are Onducted at nearby industriale
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nilitary, and transportation facilities have been evaluated to deternine if such a:tivities have the potential for adversely affecting the suitability of the site for a nuclear plant.
Based on our eval.uation of information contained in the Safety Analysis Report, as well as information independently obtained by the staff, we conclude that the activities in the vicinity Of the prooosed Clin:h River site are not likely to creclude the suitabili ty of the site.
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R-\\D DISTRIBUTION DOCKET FILES AEB R/F Hulman MAR 0 91932 WPasedan __
"eck.et *:o: 60-537 Mihadani "E;1.PN:;'.'I:IFOR:
A. TI2dani, Chief P.eliability anc. ;:isk.issess eat French, PSI FM:
L. r,. " :1. an, Chief Accident Evalootion Franch, OSI Si%;r(;T:
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