ML19257D499

Forwards Estimates of Evacuation Times,In Response to NRC .Oversize Drawing Encl

ML19257D499
Person / Time
Site:	Calvert Cliffs
Issue date:	01/29/1980
From:	Lundvall A BALTIMORE GAS & ELECTRIC CO.
To:	Grimes B NRC - EMERGENCY PREPAREDNESS TASK FORCE
References
NUDOCS 8002040490
Download: ML19257D499 (9)

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s BALTIMORE GAS ANC ELECTRIC COMPANY

'P. O. BOX 1475 BALTIMORE, MARYLAND 21203 January 29, 1980 ARTHU R E. I.UN DVALL, JR.

vice Passiocut SuppLv Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D. C.

20555 Attn:

Mr. Brian K. Grimes, Director Emergency Preparedness "'ask Group

Subject:

Calvert Cliffs Nuclear Power Plant Units Nos. 1 & 2, Dockets Nos. 50-317 & 50-318 Evacuation Time Estimates Reference,:- NRC letter dated 11/29/79 from B. K. Grimes to All Power Reactor Licensees, same subject.

Gentlemen:

Attached is the information requested by the referenced letter.

Very ly yours, s

!865. 345" A. E. Lundy 1, Jr.

cc:

J. A. Biddison, Esquire U. S. Environmental Protection Agency G. F. Trowbridge, Esquire Region III Office Mr. E. L. Connrer, Jr.

Attn: EIS Coordinator Curtis Building (Sixth Fir)

Calvert County Library Sixth and Walnut Streets Prince Frederick, MD 20678 Philadelphia, PA 19106 Director, Department of State Planning Administrator, Power Plant Siting 301 West Preston Street Drogram Baltimore, MD 21201 Energy and Coastal Zone Administration Department of Natural Resources Mr. Bernard Fowler, President Taves State Office Building Board of Co.inty Commissioners Annapolis, MD 21h01 Prince Frederick, MD 20768 Director, Technical Assessment Division Office of Radiation Programs (AW h59)

U. S. Environmental Protection Agency Crystal Mall #2 800204o Arlington, VA 20h60 e

Calvert Cliffn nuc lear l'o* e r Plant L P,'

f.V 1C11:lli oT. T i r.e,

lo.rottuctico :

11. a.i effort to d.:termine c:.tir.ated evacaation tine:. for var-i n u :. ar a:. arou:.d the Cnivert Cli ff: fiu c i car l'o.cr Pl a:.t., a. detailed c) the aos..Ler 1971 letter tror. th e

.o tnc ca t tiraore van and c.lectric Co.

ian at :i d d tu e.mploy tot nouutor, ovacuat. ion

..o je l.

In i r. r.o d e l involve: the cul-cul ition:, referenced in tne prepared ten ti.r.uay o: 1:.

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nounton on t;eital ' cf de

..uC in tre acit ter of dort!1ern dtatem ) o* e:

Co.,

Tyrone nnerrs Park, U..i t 1, nai Claire, o i,c0:, i r., October 7, 19'/ o.

T:ie ovacustiva t i :r t, calculatel nere-4 241 are otrict.applicatioan 01 tu i: hudel r..a & - ii t ;

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O C) lD )I[ b r J 3. h 1865 346

CC:!PP Page 2 January 30, 1980 TAdLE 2 Estimated Warning &

Estimated Evacuation i1HC Evacuation Section Evacuation Time (hrs) Warninr,(hrn) Time (hrs)

Time (hrc)*

li (O-2 mi.)

4.8

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9.1 1.0 8.1 8.8 Bn (5-lOmi.)

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S.b 1.0 7.6 U.4

• lncludes all estimated warning timen greater tnan 15 minutes.

accause adverne weather scenario in too highly subject.ive to une an -

21anninr guide, it in expected tnat each episode of a warninr/ evacuation r..ancuver may take twice au long, given adverse weatner condit.lon.

Tnin would yield the followin;; (choa.

graphically in A;)pendix A) :

TAdLC 3 uctimated.iarning; &

En timated svacuation IliC Lvacuati on o._ction avacuation Time ( nr-> )

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• lnclude. all estinatCJ sarnini timen greater tna:. 15 minuten, 11.

boccial racilition

.o.;>ccial facilitiet have been icentifica in an.y of the above EPZ nection; tnat coulo not be evacuated by tne normal proceduren a.1d within the time:

previounly specified. Special facilities c.ay include fir 2/ rescue halla,

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vie theatera, or country club facilitien. No noupitals are within the 10 mile radiuc of tne Calvert Cliffc..uclear Pv.ver plant.

1865 347

C C.!PP Page 3 January 30, 1930 Ill.

hvacuation Confirmatien It in felt ttat, if special instructiona are given to the public along witn evacuatica infornation, t.he confirr ation of evacuation could be completed witnin the name time frame allotted for warning.

darning and confirmation are cinilar functione encompasrin;, identical arcaa, enere fore, equal time in estinated for both.

IV.

Special Evacuation Problems do npecial evacuation problemu, resairing alternative protective actions, nave been identified wit.hin the 10 mile radiua surrounding the Calvert Cliffn nuclear Po.ier Plant.

V.

uackground Informatica 1.

Tne model uued for evacuation anl warning time estimates wa.i tne rt.

iioua ton (prepared.on behalf of tne WhC) 141odel.

The model wa:3 based, in part., on information contained in 6PA-520/6-74-00,1, " Evacuation rtisc -

a evaluation 0: actual evacuat. on inci-un r. valuation"; wnica presenta 2

dentn.

?.

Tne population and popuj ation dintribution figuren used for the 10 mile r:..diun curroundini,the Calvert Cliffu Plant were extropolated f_ c 1 data obtained in tnc final safety Analynin Report (FSAR). Tne FaAh containa 1970 population ect.imates and a projected populat. ion estimate for 2010.

'l h e population fi;f.uren used herein are based on a linear population growta octxecn thene yearn; in lieu of actual population data.

Tnes are ;> re ne n t.e d au conservative estimaten.

3.

It is asuumed tnat all evacueen will provide tneir own trana;)ortation, or carpool.c i th a ;.e i;p bo r, enerever poccible.

Local officials will *ork with local bua com;>anica or the Department,a of r.ducatica to evacuate cchcol; a;.a tnout witliout per. onal vehicles.

4.

t.vac ua ti o:; route: ;ill depend oa tue arean to ce evacauted aau tne ra:iio-active plu:ae coverat,e. Tne 'oun ty Jaeri ffn ' Depart.iunto a..d tue c.aryland State Felict, in conjut.ction..2ta the local Civil Defence Agency, sill de-termine evacuat.icn route, to be used.

5.

Attach.ents 2 and 3 are lettern fron the official: of the 3 CPZ Couat.ier, 2,

.;urrounainc. tne Calvert Cliffc.iuclear Power Plint ex;)rencing their vie,.

of tause evacuation entinates.

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[865 352

OTro B. CHESSMAN. JR.. DIRECTOR h

DORCHESTER COUNTY OFFICE OF CIVIL DEFENSE AND DISASTER PREPAREDNESS AGENCY P. O. Box 231. COURTHOUSE CAMBRIDcz MARYLAND 21813 PHONE: 228 1818 January 28, 1980 Baltimore Gas & Electric Co.

P. O. Box 1475 Baltimore, Md 21203 Att:

G. E. Brobst

Dear Sir:

We have reviewed the evacuation time estimations as calculated by the Baltimore Gas & Electric Company and generally concur with the model used and results obtained as an upper time limit. It is expected that an actual evacuation of the County will consume only a fraction of the time (s) estimated, but no acceptable model is available on which to base this premise.

We, therefore, give our concurrence to these times as conservative time estimations for Dorchester County evacuations.

Since

/g 8h!stbr*0$$$Efd6&DPA 1865 353

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ST. MARY'S COUNTY CIVIL DEFENSE AND DISASTER PREPAREDNESS AGENCY P. O. BOX 271 LEONARDTOWN, MARYLAND 20650 TELEPHON E: 475-8016 OTis F. WOOD, pinsc* ton 28 January 1980 Baltimore Gas & Electric Company P.O. B0x 1475 Baltimore, Maryland 21203 Attn:

G. E. Brobst

Dear Sir:

We have reviewed the evacuation time estimations as calculated by the Baltimore Gas & Electric Company and generally concur with the model used and results obtained as an upper time limit.

It is expected that an actual evacuation of the County will consume only a fraction of the times estimated, but no acceptable model is available on which to base this premise.

We, therefore, give our concurrence to these times as conserva-tive time estimations for St. Mary's County evacu tions.

Sincerely, M #')

Thomas L. Oliver St. Mary's County Civil Defense TLO/glp

].865:354

ATTACHMENT 3

@uc CALVERT COUNTY o

CIVIL DEFENSE i

B Prince Frederick, Maryland 20678 Phone (3dl)535-1600 ext. 250 Director Bwrd of Commisunners Vernon llorsinon C. Bernard Fowler Garner T. "Pete" Grmer Mary D. !!arriwn D.nid M. King January 31, 1980 li. Gordun Trueman Mr. Gary E. Brobst Baltimore Gas & Electric Company Baltimore, Maryland 21203

Dear Mr. Brobst:

After a review of your Company's evacuation estimates, we feel that the most up to date information should be used. in the computation of times and population.

The data that follows is based on information available from our County Planning Office and is current as of January 1,1980.

1.

Uithout use of an evacuation mathmatical model, County estimatcd evacuation times are developed based on numbers of households, and persons in each sector, locations of house holds, and persons in each sector, locations of households (dispersed), and type of road network in the area, (linear roads mostly dead-end).

2.

Household distribution, 1980, based on current data provided by the County Planning Office. For this tabulation, sectors are numbered as follows:

2 mile north half = 2 N 2 mile south half = 2 S 2-5 mile NW = 5 A 2-5 mile SW = 5 B 2-5 mile SE - 5 C 5-10 mile NW = 10 A 5-10 mile SW = 10 B (10 B figures relate only to Calvert County).

5-10 mile SE = 10 C (10 C figures relate only to Calvert County).

3.

Numbers of dewlling units and population by sectors, determined from current maps and tables for 1980 are as follows:

Sector Dwelling Units Population 2N 25 70 2S 98 275 5A 671 1900 5B 203 600 5C 447 1250 10 A 1750 4900

,10 B 950 (1) 2660 (1) 10 C 900 (2) 2500 (2)

Totals 5044 14,100

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T86:5 355

January 31, 1980 evacuation estimations (cont.)

(1)

Includes only Calvert County. The Navy Recreation Center at Solomons has a capacity for 2500 transient guests; 1250 persons are included in the figure shown.

(2)

Includes only Calvert County.

4.

County evacuation time estimates, based on staff studies and experience from exercises, indicates evacuation times (for Calvert County areas) as follows:

Sector Evacuation Time (good weather) 2N 2-4 hours 2S 3-4 hours 5A 6-8 hours 5B 4-6 hours 5C 6-8 hours 10 A 10-12 hours 10 B 6-8 hours 10 C 6-8 hours In case of bad weather and/or bad road conditions, a factor of two for evacuation time is generally reasonable.

In case of deep snow (2 to 3 feet) some County roads ar.d long private drives may not be cleared for 2 to 3 days.

5 Special Facilities: Special attention should be given the Columbia gas LNG facility at Cove Point, and it's off-shore (6,000') loading dock. The dock can accomodate two super-tankers at one time.

If the facility must be evacuated, special measures will be required to provide it's safety and security.

6.

Evacuation of personnel in St. Mary's and Dorchester County should be considered separately because different jurisdictions and different road systems are involved.

7.

The map used should show the Columbia gas LNG facility, and should show the Johnson Bridge (Route 2) connecting the Calvert County and St. Mary's County.

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