ML19331E272

Evacuation Time Estimates for 10-Mile Emergency Planning Zone. Approved by State of La Officials

ML19331E272
Person / Time
Site:	River Bend
Issue date:	08/29/1980
From:	Boblinger L, Bordan A COMMONWEALTH EDISON CO., LOUISIANA, STATE OF
To:
Shared Package
ML19331E268	List: ML19331E267 ML19331E272
References
NUDOCS 8009090537
Download: ML19331E272 (36)

Text

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l GULF STATES UTIL. TIES COMPANY RIVER BEND STATION I

i EVACUATION TIME ESTIMATES FOR 10 MILE EPZ i

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EAST FELICIANA PARISH WEST FELICIANA PARISH

~ POLNTE COUPEE PARISH 4

EAST-BATON ROUGE PAR 7"i i

4 WEST BATON ROUGE PARISH I

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THE UNDERSIGNED HAVE ASSEMBLED AND REVIEWED THE INFORMATION IN THIS ATTACHMEhT ff

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Louisiana N'uclear Energy Division Louisiana Office Emergency Preparedness

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ointe C6upee Parish Civil Defense East Bato ouge grish Civil Defense b2 W

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i West Baton I}pige Parish Civil Defense East Feliciana Parish Civil Defense

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West Feliciana Parish Civil Defense

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TABLE OF CONTENTS PAGE I.

ASSUMPTIONS 1

II.

EVACUATION ROUTES 4

III. SPECIAL EVACUATION AREAS 13 MAPS 17-26 TABLES 27-32 IV.

CONFIRMATION TIME 33 V.

SUMMARY

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EVACUATION TIME ESTIMATES FOR RIVER BEND STATION EMERGENCY PLANNING ZONES I A3SUMPTIONS The following assumptions are the basis of this estimate:

1.

Evacuation takes place during the daytime, on a weekday, when the population is dispersed, e.g.:

at work, school in progress.

2.

The time required to evacuate is considered to be the time elapsed between warning and the time the last person has been evacuated from an area.

Supervisory personnel directing the evacuation may remain to secure the area and have not been counted for this purpose.

3.

Evacuation of each of the ten zones will be considered complete after the vehicles are outside the ten (10) mile perimeter. The areas are shown on the attached map.

4.

No one will refuse to follow an evacuation order, and that each household identified by survey will be occupied; to include camps in recreational areas.

5.

The households having more than one vehicle will use their "best car", accounting for that household.

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6.

It'will be 10 - 30 minutes after warning before movement takes place and that there will be constant "beginning movement" from 10 minutes to completed "beginning movement" at 31 minutes.

7.

The normal lane use of Parish Highways will remain the same.

Access to the Parish will be limited to outside the 10 mile EPZ.

8.

The capacity of 2-lane Parish Highways will be considered as 850 vehicles outbound per lane per hour. Also, that the vehicles will move at a average speed of 40 miles per hour.

9.

Adverse weather will be severe thundershowers, and that it will inhibit evacuation time by 25%.

10.

Estimates from local officials having intimate knowledge of local conditions and actual experience, are a solid basis to weigh theoretical estimates against.

11.

Upon evacuation of the outer zone (10 mile zone), this will include the inner zones as well.

12.

Only one major road for exiting each zone is used. All minor roads are used to gain access to the major roads.

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13.

All travel originates from the inoecmost part of a zone e.g. 0-10 mile zone the travel distance is ten miles to outer part of the

'EPZ.

The delay time for persons starting to leave until the last person

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has begun to: leave for each zone is thirty minutes.

It was j

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- 9 assumed that some people start leaving within ten minutes and that all have begun movement within thirty minutes. Due to these assumptions the least amount of time for evacuating a zone where population would not exceed road capacity, would be the thirty minutes after movement has begun plus the travel time from the innermost zone to the outermost zone.

In the case of zone X, the travel time is added to the delay time e.g. ten miles at forty miles per hour equals fifteen minutes travel time plus the maximum delay time equals a total of forty-five minutes evacuation time.

In the_ case of zone X2, where the capacity factor and the travel time do not exceed the thirty minute maximum delay time, the travel time and the thirty minute maximum delay time are added to give the total evacuation time e.g. capacity factor is 0.24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> and the travel time is 0.20 hour2.314815e-4 days <br />0.00556 hours <br />3.306878e-5 weeks <br />7.61e-6 months <br />. These do not exceed the 0.50 hour5.787037e-4 days <br />0.0139 hours <br />8.267196e-5 weeks <br />1.9025e-5 months <br /> maximum delay time, therefore the travel time of twelve minutes plus the maximum delay of 30 minutes equals forty-two minutes which is the estimated evacuation time for that zone.

Where the capacity actor for the road and the travel times exceed 4

the thirty minute maximum delay time, then the capacity factor plus the travel time, plus the ten minute minimum delay time eq As the evacuation time. For example, in the case of zone X4 the capacity factor is 2.53 hours6.134259e-4 days <br />0.0147 hours <br />8.763227e-5 weeks <br />2.01665e-5 months <br />, the travel time is 0.25 hours2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br />, plus the 0.17 minimum delay time equals 2.95 hours0.0011 days <br />0.0264 hours <br />1.570767e-4 weeks <br />3.61475e-5 months <br /> or 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> 57 minutes for the evacuation time.

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- II EVACUATION ROUTES A.

Concept of Operations:

1)

Evacuation of the River Bend Station Parishes will begin when the parish governments, upon recommendation of LNED or Gulf States Utilities, orders relocation of residents in the affected area. Traffic control posts and/or road blocks will be set up to facilitate the evacuation of the affected area; and to control ingress to the area.

Toe law enforcement service, Parish Sheriff, town police and State Police are responsible for the establishment of these control posts, and for the necessary coordination to control the evacuation routes to the Shelter Areas. Traffic control points are indicated on the evacuation route maps for each parish.

Evacuation routes for each parish are as follows:

WEST FELICIANA PARISH (See Map 1) a)

Traffic Control Points at intersections of:

(i) Hwy. 10 and Hwy. 61 at St. Trancisville (ii) Hwy. 66 and Hwy 61 at Bains (iii) Hwy. 66 at Pickneyville Cut Off (iv) Hwy. 421 at Hwy. 61 (v) Hwy. 421 at Hwy. 10 (vi) Hwy.~965 at Hwy 61 (vii) Hwy. 964 at Hwy. 61 NOTE:

(vi) and (vii) are of short duration, as they are within 2 miles of the plant.

b)

Evacuation Routes:

(i) The Primary Evacuation Route for St.

Francisville will be Hwy. 10 east to Hwy.

19, then south to Baton Rouge.

(ii) The Primary Evacuation Routes for the area north of Bains:

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8.

Residents on Hwy. 66 will proceed north to Pickneyville Cut Off. Then proceed toward Woodville, Mississippi.

Residents along Hwy. 61, above intersection of Hwy.- 61 and Hwy. 66, will proceed north to Woodville, Mississippi.

Residents of Hwy. 421 south of Spillman, and the Village of Spillman will proceed south on Hwy. 421 to Hwy. 61, then north toward Woodville, Mississippi.

(iii) The residents along Hwy. 61 south of St.

Francisville and above the intersection of Hwy. 61 and Hwy. 965, will proceed north on Hwy. 61 to St. Francisville, then east on Hwy. 10 to Hwy. 19, south to Baton Rouge.

(iv) The residents along Hwy. 965 will proceed east to Hwy. 10, then east to Hwy. 19, and south to Baton Rouge.

(v) Those residents along Hwy. 61, south of Hwy. 965 intersection, will proceed south on Hwy. 61 to Baton Rouge.

POINTE COUPEE PARISH (See Map 2) a)

Traffic Control Points at intersections of:

(i) On the River Road south route at Hwy. 's 413, 414 and 416 (ii) Hwy. I at Hwy. 10 (iii) Hwy. 3131 at Hwy. 1 (iv) Fwy. I at Hwy. 416 (v) hay. 81 at Hwy. 190 (vi) Hwy. 77 at Hwy. 190 (vii) Hwy. 98 at the Cajun Power Plant (viii) And passive traffic control points (directional arrows) on Hwy. 190 at 978, and at Hwy. 1 b).

Evacuation Routes:

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The Primary Evacuation Routes for Pointe Coupee will be Hwys. 10 and 190. The reception and shelter area for Pointe Coupee evacuees will be located in Opelousas, Louisiana.

(i) For the area north of Hwy. 10, and residents on Hwy. 10 north of the City of New Roads, proceed west on Hwy. 10 to Morganza, turning south toward Hwy. 78 to Hwy. 190. Proceed west on Hwy. 190 to OpeJousas.

(ii) For the area south of Hwy. 10, town of New Roads, and areas east on Hwy. 413 to the River road (Hwy.'981), the evacuation route will be south on Hwy. 1, then south on Hwy.

77, 978 or Hwy. I to. Hwy. 190. Proceed west on Hwy. 190 to Opelousas.

(iii) For the area south of False River on Hwy.

413 and 414 to the River, the evacuation route will be west on Hwy. 414 to Hwy. 415 west to Hwy. 413 south to Hwy. 190.

Proceed west on Hwy. 190 to Opelousas.

(iv) For the plant workers at the Cajun Power Plant, and residents of the River Road, the evacuation route will be the River Road south (Hwys. 981, 414, 415 identified as the River Road) to Hwy. 190 to Opelousas.

(v) For the residents of Hwy. 414, 416 and Hwy.

I in the Lakeland area, the evacuation routes will be south on Hwy. 414 and Hwy.

416 to Hwy. 190. Then proceed west on Hwy.

190 to Opelousas.

EAST FELICIANA PARISH (See Map 3) a)

Traffic Control Points at intersection of:

(i) Hwy. 10 and Hwy. 68 at Jackson (ii) Hwy. 61 and Hwy. 964 (iii) Hwy. 10 and Hwy. 19

-(iv) Hwy. 10 and Hwy. 67 at Clinton (v) Hwy. 964 and Hwy. 68 6

(vi) Hwy. 964 and Hwy. 955 (vii) Hwy. 955 and Hwy, 19 (viii) Hwy. 412 and Hwy. 19 b)'

East Feliciana Parish Evacuation Routes 1

NOTE: The major evacuation route for West Feliciana Parish residents, Highway 10, will traverse East Feliciana and turn south on Hwy. 19 at Jackson. The town of Jackson will also use this route. Special institutions i.e. East Louisiana State Hospital and Dixon Correctional Institute, will be assigned alternate routes, to avoid overdue congestion on Hwy. 19 south. West and East Feliciana law enforcement authorities will coordinate evacuation, and their communications center will be the Sheriff's Office in Clinton, Louisiana. The West Feliciana EOC Executive Group will operate from the East Baton Rouge EOC. There will be approximately 10,000 evacuees from East and West Feliciana Parishes.

(i) The primary evacuation route for the town of Jackson will be Hwy. 10 east to Hwy. 19 south, proceeding to reception center in Baton Rouge.

(ii) The primary evacuation route for East Louisiana State Hospital will be Hwy. 10 east to Clinton, then Hwy. 67 south to Baton Rouge.

(iii) The primary route for Dixon Correctional Institute will be Ewy.-68 south, then south on Hwy. 964 to Baten Rouge. Residents of Hwy. 68 below Hwy. 10 will use same route.

(iv) The primary route for residents of Hwy. 955 will be north on Hwy. 955 to Hwy.19 south, to Baton Rouge.

(v) The primary route for residents of Hwy. 412 west of _ Hwy.19, will be east on Hwy. 412 then south on Hwy. 19, to Baton Rouge.

__;~ ' BATON ROUGE' PARISH'(See Map 4) a)

Traffic Con tcl Points at' intersection of:

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(i) Hwy. 413 and Hwy. 190 (ii) Hwy. 984 and Hwy. 190 (iii) Hwy, 415 and Hwy. 190 at Hwy. 1 (iv) Hwy. 76, Rosedale Road, at Hwy. 1 NOTE:

(i) and (ii) will be in coordination with Pointe Coupee Parish Law Enforcement.

b)

Evacuation Routes, Reception Area Map:

(i) West Baton Rouge Parish will not be used as an out-of parish hosting area. The Parish will host approximately 100 residents that are within the EPZ, at the Old Port Allen High School. West Baton Rouge will assist Pointe Coupee in law enforcement and will house the inmates of the Pointe Coupee jail.

(ii) The primary evacuation route for the affe-:ted area in West Baton Rouge will be Hwy. 415 south to Hwy. 1, proceed south to Rosedale Road (Hwy. 76) then east to Old Port Allen High School.

EAST BATON ROUGE PARISH (See Maps 5, SA)

-East Baton Rouge Paufsh'i:111 be the major hosting area for 10,000 East and West Feliciana Parish evacuees.

East Baton Rouge will also host 4,000 of its own residents that are within the Emergency Planning Zone (see Map 5A). Out of parish residents will register at the Centroplex, before being assigned shelter. East Baton Rouge Parish residents will register at the Municipal building located at 3325 Groom Road, Baker, Louisiana, before being assigned shelter.

a)

Traffic Control Points (see Map 5) at intersection-of:

.(i) -

l Hwy. 68 and Hwy. 61 (ii) -Hwy. 61 and Hwy. 64 (iii)- Hay. 61 at interstate I-10 t

(iv) Hwy. 964 and Plains-Port Hudson Road (Hwy.

3004) 8

(v) Hwy. 964 and Pride-Port Hudson Road (vi) Hwy. 964 and Zachary Road (Hwy. 64)

(vii) Hwy. 964 and Hwy. 61 (viii) Hwy.19 and Zachary Road (Hwy. 64)

(ix) Hwy. 19 and Groom Road (x) Hwy. 19 at Interstate I-10 (xi) Hwy. 67 at Interstate I-10 (xii) Interstate I-10 at Government Street Exit b)

Evacuation Routes (see Maps 5, SA)

(i) The primary evacuation routes into the parish for East and West Feliciana Parishes will be Highways 61, 984, 19, 68 and 67 south. This traffic will enter the I-10 east bound, exiting at Government Street, and be directed to the Centroplex for registration (see Map 5).

(ii) The primary evacuation routes for the affected area in East Baton Rouge Parish, as shown on Map SA, will be Highways 61 and 964 south to Hwy. 64 east, then south on Hwy. 19 to Baker. Traffic control points on Groom Road in Baker will direct evacuees to the registration center.

RIVER BEND PARISHES EMERGENCY PLANNING ZONE (Maps 6, 6A)

The major evacuation routes are indicated on the 10-mile EPZ on Map 6.

The major shelter areas will be Opelousas and Baton Rouge; with in-parish sheltering for West Baton Rouge at Port Allen, Louisiana; and East Baton Rouge at Baker, Louisiana. Evacuation of specific areas will generally be done by partsn, depending on the type of release and the wind direction.

Specific Zone designations, as shown on Map 6A, are listed by parish alpha-numerically.

2)

The total resident population 9ithin the Emergency Planning Zone is approximately 20,921. There is an increase in weekend recreational population during the spring and summer months, boosting the population by 9

approximately 3,400 people. Emergency Planning Zone approximate population by parish are as follows:

East and West Feliciana Parishes - 10,000 East Baton Rouge Parish 4,000 West baton Rouge Parish 100 Poince Coupee Parish 6,000 3)

All persons living in an affected area should evacuate when ordered, to designated host areas. To avoid bottlenecking, traffic control will be used roughly in movement of vehicles. Evacuation will be by parish or multi-parish (see Maps 6, 6A) depending on wind direction and geography. The primary hosting area for approximately 6,000 Pointe Coupee residents will be St.

Landry Parish, in Opelousas Red Cross Shelters. The primary hosting for West Baton Rouge will be in parish, at the Old Port Allen High School on Rosedale Road. The primary hosting area for East and West Feliciana Parishes will be East Baton Rouge Parish, in Baton Rouge. The primary hosting for East Baton Rouge Parish evacuees will be in parish at Baker.

4)

Letters of Agreement have been formulated with neighboring parishes and between River Bend Parishes, for the transportation, sheltering and care of River Bend evacuees in an emergency. This will include transporting those households without transportation, hospital and nursing home patients, prisoners confined to parish courthouse jails, and other special consideration groups as follows:

a)

Households without transportation:

(Pick Up Point)

WEST FELICIANA PARISH Intersection of Hwys, 66 and 61 at Bains Parish Courthouse Square at St. Francisville EAST FELICIANA PARISH (Pick Up Point)

Jackson High School, Jackson, Louisiana Veterans-Memorial Hospital, near intersection of Hwy. 10 and Hwy. 68, Jackson, Louisiana 10

-i POINTE COUPEE PARISH (Pick Up Point).

At the intersection of Hwy. 10 and Hwy. 1 in New Roads I

At the intersection of Hwy. I and Hwy. 3131, at the shopping center, in New Roads.

WEST BATON ROUGE PARISH (Pick Up Point)-

At Hwy. 415, River Road, south of Pointe Coupee Parish line, bus will pick residents up along three (3) mile section of the affected area.

EAST BATON ROUGE PARISH (Pick Up Point)

At the Port Hudson Elementary School b)

Medical Patients:

Parish medical patients will be transported to hospitals in designated hosting areas for that i

parish, with the exception of West Baton Rouge going to the Baton Rouge General Hospital in Baton Rouge.

I East Louisiana State Hospital will evacuate in i

accordance with their plan, supported by the Office

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of Mental Health personnel and transportation f

agreement with East Baton Rouge Parish School Board.

i Idlewild Nursing Home will evacuate as per their emergency plan, supported by transportation agreement with East Feliciana School Board.

t Veterans Memorial Hospital will evacuate as per their plan, supported by transportation agreement with the East Baton Rouge Parish School Board.

c)

Prisoners:

Three (3) of the River Bend Parishes' jails will not.be affected, i.e. East and West Baton Rouge, and East Feliciana Parishes.

Pointe Coupee Parish prisoners will be transported and housed in West Baton Rouge Parish at Port Allen; as per agreement between those parish-sheriff's offices.

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West Feliciana Parish prisoners will be transported

'and housed in East Baton Rouge Prison, as per agreement between those parish sheriff's offices.

Dixon Correctional Institute will evacuate as per emergency plan, supported by the Department of Corrections, and the Louisiana Department of Public

Safety, s

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III SPECIAL EVACUATION AREAS TRANSPORTATION In the event of a radiological emergency, the majority of the resident and transient population of the River Bend Parishes will evacuate by privately owned vehicles, using predesignated routes to registration centers.

Physically handicapped residents and persons without transportation will be evacuated by pre-assigned special vehicles.

All schools will be evacuated according to their normal transportation (i.e. buses), to the designated reception center for that parish.

Patients in hospitals and residents of nursing homes will be provided transportation to pre-designated medical facilities or reception centers. Non-ambulatory patients will be moved via privately owned ambulances, while ambulatory patients will be transported by school buses.

Reception and Care:

A.

Evacuees will be processed through reception centers within their own parish or in neighboring parishes as shown on maps 1 thru SA.

Processing will include registration and assignment to predesignated shelters within each respective shelter area. Food and other life-support services will be provided to all evacuees.

B.

Monitoring and decontamination of evacuees will be accomplished at reception centers prior to registration.

This will be performed by trained individuals in a specially designated areas at reception centers.

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Special Evacuation Facilities

.A.

Schools Those schools within the affected area will be notified by telephone or other means if the need to evacuate arises. Previous discussions with school officials indicate that the school children are trained for fire response and fire drills are conducted periodically. The time required to evacuate the schools is less than the time it takes for the buses to arrive to move the students to the appropriate shelters.

B.

Medical Facilities There are five hospitals and one nursing home located with in the ten mile emergency planning zone. Patients in the hospitals and residents of the nursing home will be provided transportation to pre-designated medical facilities or reception centers. Non-ambulatory patients will be moved via privately owned ambulances, while ambulatory patients will be transported by school buses.

C.

Correctional Institutions / Jails There is one correctional institution located near Jackson, Louisiana (Dixon Correctional Institute) and two parish jails (Pointe Coupee Parish and West Feliciana Parish) located in the ten mile emergency planning zone.

Dixon Correctional Institute will evacuate as per emergency plan, supported by the Department of Corrections, and the Louisiana Department of Public Safety.

Pointe Coupee Parish prisoners will be transported and housed in West Baton Rouge Parish at Port Allen; as per agreement between those parish sheriff's offices.

West Feliciana Parish prisoners will be transported and housed in East Baton Rouge Prison, as per agreement between those parish sheriff's offices.

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(1) Veterans Memorial Hospital (Jackson, La.)

Assumptions (a) It is assumed that an agreement with the East Baton Rouge Parish School Board will ba reached such that they will supply sufficient number of buses for removing the patients.

It is also assumed that a sufficient number of arbulances will be available to remove ambulatory patients.

(b) It is assumed that after notification, all of the drivers have departed within 30 minutes for the hospital.

(c) It is assumed that each driver has a distance of thirty miles to drive and averages 40 miles per hour (45 minutes travel time).

(d) It is assumed that during this delay for travel, the patients were being gathered for transporting and the from start loading to completion is I hour and 30 minutes.

(e) It is assumed that it will take 5 minutes to drive to the outer ten mile zone.

(2) East Louisiana State Hospital (a) Same as 1.a.

(b) Same as 1.b.

(c) Same as 1.c.

(d) It is assumed that during the delay time for travel, the patients were being gathered for transporting and from the start of loading to completion is 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> and 30 minutes.

(e) Same as 1.e.

(3) Jackson Special Hospital (a) It is assumed that it will take 20 minutes to get the bus.

(b) It is assumed that it will take 30 minutes to load all of the patients.

(c) Same as 1.e.

(4) Pointe Coupee Parish Hospital (a) Same as 1.a.

(b) Same as 1.b.

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(c) Same as 1.c.

(d) It is assumed that during this delay for travel, the patients were being gathered for transporting and from the start of loading to completion is I hour.

(e) It is assumed that it will take 8 minutes to drive to ten mile Zone.

(5) West Feliciana Parish Hospital (a) Same as 1.a.

(b) Same as 1.b.

(c) Same as 1.c.

(d)

It is assumed that during this delay for travel, the patients were being gathered for transporting and from start of loading to completion is I hour.

(6) Idlewood Nursing Home (St. Francisville, La.)

(a) It is assumed that upon notification the evacuation is started immediately.

(b)

It is assumed that from

_ start loading of residents until completion is 1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and 30 minutes.

(c) It is assumed that the distance of travel is 10 miles and the average speed of 40 miles per hour. Therefore, it will take 15 minutes to drive to the outer ring of the 10 mile EPZ.

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Map 1 ITEST FELICIANA PARISH EVACUATION ROUTES b OODVILLE.

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arca will be US lhiy 61, 67, 68, 19 d

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EVACUATION ROUTES AND SHELTER AIC_4S Map SA FOR EAST BATON ROUGE PARISil'RY.SIDENTS WITHIN EPZ

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RIVER BEND PARISHES TEN MIT.E EMERGENCY PIANNING SECTOR -

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SITE AREA I

7 RtVER BEND STATION-UNIT I 8 2 i

GULF STATES UTILITLES COMPANY PRELIMINARY SAFETY ANAt'fSIS REPORT

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Table 1 RIVER BEND STATION PARISil EVActIATION Tit 1ES (2) 1980 Three-llou rs llou rs (3)

(4)

Zone Evacuation Time Projected Person / (1)

Travel Calculated Delay Normal Weather Adverse Weather Miles Degree Zone Population Vehicle llours Time Time Time Ifrs.

Min.

If rs.

Min.

(4) 0-2 180*

X 403 134 0.16 0.25 0.41 0.50 0

45 0

56 (3) 2-5 90*

X 1973 658 0.77 0.20 0.97 0.17 1

8 1

26 (4)

'2-5 90*

X 604 201 0.24 0.20 0.44 0.50 0

42 0

56 (3) 0-10 90*

X 3421 1140 1.34 0.25 1.59 0.17 1

46 2

12 (3) 0-10 90*

X 6457 2152 2.53 0.25 2.78 0.17 2

57 3

41 (4) 0-2 180*

Y 26 9

0.01 0.25 0.26 0.50 0

45 0

56 (4) 2-5 90*

Y 39 13 0.02 0.20 0.22 0.50 0

42 0

53 (4) 2-5 90*

Y 143 48 0.06 0.20 0.26 0.50 0

42 0

53 (3) 0-10 90*

Y 7438 2479 2.92 0.25 3.17 0.17 3

20 4

11 (3) 0-10 90*

Y 3560 1187 1.40 0.25 1.65 0.17 1

49 2

17 (1) liighway Capacity Factor 850 Vehicles /h (one vehicle every 4.2 seconds times number vehicles ceguals time consumed by exiting vehicles).

(2) Distance from inner most zone to exit at 10-mile EPZ (e.g.

X zone is 10 miles) at travel speed of 40 H.P.ll. Travel time is 0.25 hour2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br />.

(3) Assumed 10-minute delay after notification before people start leaving.

(4) Assumed 30-minute delay af ter notification until last person has begun movement.

27

Table 2 RESIDENT POPULATION DISTRIBUTION BY' SECTOR AND RADIAL DISTANCE UP TO 50 MILES RIVER BEND STATION - 1980 CENSUS (PROJECTED)

Total Sector 0-1 1-2 2-3 3-4 4-5 5-10 10-Mile i.

A-R 53 376 601 1460 743

",688 20,921 j

(N)

A 0

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192 314 759 (NNE)

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(ENE)

D 0

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19 5

92 135 (ESE)

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G 0

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5 2,237 2,268 (SSE)

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0 157 186 (S)

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K 0

0 0

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L 0

0 0

0 0

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M 0

0 13.

0 0

2,117 2,130 (W)

N 0

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.Q 19 81 39 733 105 719 1,696 (NNW)

R 5

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Table 3 RIVER BEND STATION (RBS)

SCHOOL EVACUATION TINES SCHOOLS Miles Direction Grades Evacuation Time Evacuation Time From From Covered Normal Weather Adverse Weather Name RBS RBS Hour Minutes West Feliciana Parish School District Bains 6.5 NNW 1-6 1

45 2

11 St. Francisville liigh 6.5 NNW 7-12 1

45 2

11 Due to insufficient transportation, buses will be sent from East Feliciana Pa ri sh.

It is assumed af ter notification the buses are needed, all drivers have left for West Feliciania Parish within 30 minutes.

It is assumed that the average distance traveled will be thirty miles and with an average speed

'of forty miles per hour. This gives a travel time of forty-five minutes. Upon arrival of the buses, the students will be waiting and can get on the buses in fifteen minutes. The travel distance is assumed to be ten miles at forty miles per hour for a travel time of fif teen minutes.

East Feliciana Parish School District

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Jackson Elementary 9

NE l-6 0

55 1

8 Jackson liigh 9

NE 7-12 0

55 1

8 It will take thirty minutes to get the buses to the school.

It is assumed that the children will be waiting and can load the buses in fifteen minutes.

It is assumed that it will take about ten minutes to travel the 1-2 miles to the outer ring of the ten mile emergency planning zone.

29 u

Table 3 RIVER BEND STATION (RBS)

SC1100L EVACUATION TIMES SC1100LS Miles Direction Grades Evacuation Time Evacuation Time From

'From Covered Normal Weather Adverse Weather Name RBS RBS llour Minutes Cast Baton Rouge Parish Scinool District Port fludson 7.5 SE K-6 1

0 1

15 Pointe Coupee Parish School District Poydras liigh 7.5 WSW K-12 0

53 1

6 Rosenwald liigh 7.5 WSW K-12 0

53 1

6 Rougan liigh 9.8 S

K-12 0

53 1

6 Parochial School Catholic liigh 7.5 WSW K-12 0

53 1

6 Private School False River Academy 8

WSW 1-12 0

53 1

6 4

L Vocational School Memorial Area Vocational 7.5 WSW 0 38 0

48 School 30

Table 4

' RIVER BEND STATION (RBS)

Il0SPITALS/ NURSING IIOMES EVACUATION TIMES Il0SPITALS/ NURSING HOMES From River Bend Station Evacuation Time Evacuation Time Name Distance Direction Normal Weather Adverse Weather Miles flours Min Hours Min (1) Veterans Memorial Hospital 10 NNE 2

50 3

32 (Jackson, La.)

(2) East Louisiana State 10 NE 3

50 4.

47 Hospital (Jackson, La.)

(3) Jackson Special liospital 10 NE O

55 1

8 (Jackson, La. )

(4) Pointe Couptee Parish 7

WSW 2

23 2

58 Ilospital (New Roads, La.)

(5) West Feliciana Parish 3.5 NNW 2

30 3

7 llospital (St. Francisville, La.)

(6) Idlewood Nursing Ilome 6

N 1

45 2

11 (St. Francisville, La.)

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IV Confirmation Time Confirmation will begin forty-five minutes after warning has been given..The Police and Sheriffs' units will patrol their zones and sectors to confirm that the persons who were supposed to evacuate have left and that certain areas which have to be maintained or protected are manned.

It is estimated that confirmation of evacuatioa can be accomplished in three hours.

V Summary The minimum calculated evacuation time for the general public is from zones X-2, Y-1, and Y-2.

The normal weather evacuation time is 42 minutes and the adverse weather time is 53 minutes. The maximum calculated evacuation time for the general public is from zone Y-3.

It is calculated that it will take 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> 20 minutes to evacuate during normal evacuation and 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> 11 minutes during adverse weather.

1 The East Louisiana State Hospital is calculated to take the longest time to evacuate which during normal weather should be 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> 50 minutes and during adverse weather it should be 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> 57 minutes.

The zone will be considered evacuated when all persons are out of that zone eg. schools in Pointe Coupee Parish can evacuate the schools in 53 minutes, however, that zone is calculated to take 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> 20 minutes to evacuate during normal weather.

The evacuation of the 10 mile EPZ is considered complete when all persons have been evacuated, therefore, the minimum calculated evacuation time is 3 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> 50 minutes and the maximum time is 4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br /> 57 minutes due to evacuating the East Louisiana State Hospital.

1 l

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