ML20211B485

Draft Rev 3 to Offsite Emergency Plan Prompt Alert & Notification Sys Addendum for Cooper Nuclear Station

ML20211B485
Person / Time
Site:	Cooper
Issue date:	07/31/1986
From:	NEBRASKA PUBLIC POWER DISTRICT
To:
Shared Package
ML20211B451	List: ML20211B446 ML20211B467 ML20211B475 ML20211B485 ML20211B489 ML20211B497 NLS8600164, Confirms That Official 30-day Response Period Re Concerning Offsite Public Notification Begins on 860505 Based on 860429 Discussion.Related Info Encl
References
PROC-860731-01, NUDOCS 8610170248
Download: ML20211B485 (22)

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AN OFF-SITE EMERGENCY PLAN I PROMPT ALERT AND NOTIFICATON SYSTEM ADDENDUM FOR THE COOPER NUCLEAR STATION Prepared in Response to FEMA-43 Documentation Criteria Requirements Dated Sep_tember, 1983

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4 Submitted by:

Nebraska Public Power District 1414 15th Street Columbus, NE 68601 l

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Original Submittal: March, 1985

. Revision 1: May, 1986 Revision 2: June, 1986 l

Revision 3: July, 1986 l L

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2.4.2 Sound Level Contour Calculation Methodology The 60 dB(C) and 70 dB(C) sound level contour calculations were based upon the method specified in Appendix 3 of NUREG-_0654/ FEMA-REP-1 (Rev.1). Sound levels were calculated at sixteen, equally spaced,-

radial positions around each siren location. The basic calculation procedure, in the absence of interfering topographical features, utiliz-ed Figure 1, of FEMA publication CPG-1-17, to determine the range of the 70 dB(C) sound contour. From this 70 dB(C) contour the sound was atten-uated at the rate of 10 dB per distance doubled. Thus the 60 dB(C) contour was at a range tsice that of the 70 d8(C) contour. For ranges between the 60 and 70 dB(C) contours the sound level was calculated by:

SPL (dB) = 70 - 33.3 logio D 0 70 where D = distance from source, ft.

, 07 o = range of 70 dB contour, ft.

f~ - The data obtained from Figure 1 of CPG-1-17 are:

Siren Rating in Range to 70 dB(C) dB(C) at 100 ft. Contour, in ft.

122 4,500 125 5,700 l

The effects of topographical features that created shadow zones for a particular siren .were determined by subtracting the shielding attenua-tion and distance attenuation from the sound level at the location of the barrier. Thus, in the shadow zone

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SPL =.SPL(g) - A 3 -A d where SPL(B) = sound level at the barrier, dB -

l As == shielding attenuation (assuming a rigid straight barrier i

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.( 70 d8(C) contour, the sound level at the barrier was calculated as follows:

Siren Rating in Sound Level dB(C) @ 100 ft. in dB(C) 122 SPL = 122 - 31.45 logto(D/100) 125 SPL = 125 - 31.32 logio(D/100) l where D-= distanse om fr$

source, ft.

The different constants in the formulas represent slightly different attenuation factors, as reflected in Figure 1 of CPG-1-17. Distance attenuation beyond the barrier was calculated on the basis of 10 dB loss per distance doubled.

The calculatio? procedure started by reading the terrain contour data for each siren from the USGS topographical maps along 16 radials at

[\ sdccessive 22.5 increments from due north. Each siren's parameters and the topographical data for each radial were then entered into a computer program which automatically se. arched each radial for the shadow regions not in line-of-sight of the siren. The program then calculated a com-plete sound power level (SPL) profile along each radial and found the points where the SPL decreases below 60 and 70 dB, respectively. These points were used to generate final radial plots of the 60 and 70 dE contours for each siren. The contour plots were then viewed along with each radial's SPL profile to visually check that the calculated SPL profile adequately matches the terrain contours.

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2.4.3 Siren Sound Level Output The siren sound level outputs for the fixed sirens in the CNS Prompt Alert and Notification System were determined by the results obtained in an anechoic chamber by a qualified laboratory. Specific details on the measurement procedures are presented in Appendix E.

The results of ratings for sirens used in the Cooper EPZ are summarized in the table below.

-Siren Sound Level Output Data Anechoic Chamber Siren Model Rating at 100 ft.a Type Federal Signal 1003 122 dB(C) Directional Federal Signal 1000T 122 dB(C) Directional '

Federal Signal 1000 125 dB(C) Directional l "See Appendix E for test data.

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2.7 Special Alerting .(FEMA-43 Ref. E.6.2.4)

I 2.7.1 Mobile Alert and Notification Network The special alerting components of the CNS Prompt Alert and Notification System are used for those areas of the CNS Emergency Planning Zone not ccvered by fixed sirens or tone alert radios. These areas consist of the Indian Cave State Park in Nebraska, the Brickyard Hill State '

Wildlife Area in Missouri, and the Missouri River - within the 10 mile EPZ. Appendix C delineates those areas of the CNS Emergency Planning Zone which are to be c' overed by mobile routes.

Resources, manpower, and vehicles for the CNS PANS will be supplied from existing resources and will be supplemented by mutual aid agreements that are on record for the appropriate state, county, and local govern-ment emergency response organizations. Appendix H of this report presents maps of the Mobile Alert and Notification Routes and the route activation procedures applicable for each park.

[ 2.'7. 2 Alerting Method Rationale .

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As indicated in Appendix 3 of NUREG-0654/ FEMA-REP-1 (Rev.1), ic may be more cost effective in sparsely populated areas to use special alerting-methods other than sirens. FEMA-43 also indicates that seasonal and diurnal population variations may also be a factor in selecting alterna-tive means of notification. It is most cost effective for the States of-Missouri and Nebraska to make optimum use of existing available resources. Therefore, the respective M0 NAP and NE RERP plans for special alerting of the Brickyard Hill State Wildlife Area and the Indian Cave State' Park via Mobile Alert and Notification Routes include the use of onsite Department of Conservation and Park Ranger vehicles with sirens and public address systems. Route dispatching will be

. accomplished in Missouri by the Conservation Department and in Nebraska by the Nemaha County Sheriff. Additionally, transients on the Missouri River will be notified via aircraft with public address capability from the Nebraska Civil Air Patrol. l K .

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The primary purpose of the Mobile Alert and Notification System is to direct the individuals in the parks indoors. The public will be alerted by the broadcasting of either a steady siren blast or a simple message over the-mobile public address systems. Signs are posted at park entrances and. river landings informing visitors what to do if they hear j an alert signal. .This message will inform the visitors of an incident, and will advise them to tune their radios to KFEQ-AM and KFAB-AM, in Missouri and Nebraska respectively, for further instructions.

2.7.3 Participating Organizations

The primary and backup responders for each area requiring mobile alert and notification are shown below.

Primary Backup Brickyard Hill Atchison County Atchison' County Sheriff Conservation Agent Cox Aviation- Other pilots (3)

Indian Cave Park Ranger. Assistant Park Ranger

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>' Nebraska Civil Air Cox' Aviation I Missouri River I

' Patrol -1 It should be noted that in both park areas the Conservation Agent and 4

Park Ranger are on the premises. They can commence notification,as soon as they are notified. The Cox Aviation aircraft used at Brickyard Hill l l

are located approximately .10 miles from the park. Also, 'another air-craft is located 1 mile west of Weston, about 5 miles from the park.

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The Nebraska Civil Air Patrol (CAP) aircraft used on the Missouri River are located in Falls City, approximately 12. miles from the south end of '

the river in the EPZ. (The use of Cox Aviation aircraft is documented in a letter of Agreement with the SEMA. The use of the Nebraska CAP ,

n aircraft is documented. in a letter agree' ment with .) An analysis _

of the equipment and routes is presented in Appendix H. . .

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2.7.4 Equipment Testing and Maintenance Program 3

( The CNS Prompt Alert and Notification System design basis requires that special alerting in both parks shall be by park vehicles, and also by aircraft in Brickyard Hill. Routine use of these vehicles, independent of their utilization as a part of the CNS Prompt Alert and Notification System, demonstrates those capabilities required for their- perfermance as a part of the Alert and Notification System. Many tests are accom-plished through daily usage.

Mechanical -Tests Standard procedure for vehicle maintenance is usually based upon manu-facturer specifications. Most governmental departments ' and agencies have additional requirements for their vehicles and thus schedule service on all vehicles to ensure optimum reliability. Additionally, aviation companies must perform regular maintenance to ensure the aircraft operability.

Electronic Tests .

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Routine use of ~ the radio communications attests to their reliability.

The siren and public_ address systems are tested at leas't monthly as a part of the monthly siren activation. This establishes that they are adequately tested and maintained.

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07/86 DESIGN RATIONALE FOR RADIO-CONTROLLED ALERTING SYSTEM FOR CNS 4

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1.0 Overview During the months of December, 1984 and February, 1985 the 10-mila Emergency Planning Zone (EPZ) was surveyed. The survey included an ,

evaluation of the EPZ with respect to demography and topography, an analysis of the outdoor warning sirens, and an assessment of the tone activated radio distfibution. The results of this survey and analysis indicate that the hybrid system consisting of 12 outdoor warning-sirens l and over 700 indoor tone activated radios will provide 100% coverage to the population. This coverage exceeds the current requirements' of NUREG-0654, Revision 1, by providing prompt 15 minute public warning from0togmiles.

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2.0 Evaluation of Emergency Planning Zone The area within the 10-mile EPZ can best be described as rural farmland f -

The ' cl'osest population centar is Nemaha,

with several mall towns.

which is about 2.5 miles southwe.st of the station. The t'otal population of the EPZ is 5636. Table B-1 presents the population centers within l

the 10-mile EPZ and their approximate populations, based primarily on I 1980 census data. .

The total estimated population in the population . centers is 3449, more ,

l than half of the total EPZ population. Because of the rural character- ,.

I istics of the area, the population is relatively stable.

l The Cooper Nuclear Station site is located in Nemaha County, Nebraska, 1

l on the west bank of the Missouri River. The area within the 10-mile EPZ .

consists of a large relatively flat river basin area (mostly farmland) ,

which extends north hnd southeast of the site. On both, sides of, the

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basin the terrain is dominated by rolling hills. The transitions between the rolling hills and the , river basin ,are usually very ,

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Tabie B-2 Summary of Data for CNS Siren Network '.

i Siren Siren ' Rating" Mounting Location at 100 ft. Height Number Location Description Siren Type [dB(C)] (ft) i F1 Brownville, NE: In City Park Fed. Sig. 1003 122 45 F2 Peru, NE: 150 ft. north of Washington St. between 6th and Fed. Sig. 1003 122 60 7th Streets i

F3 Watson, MO: On north side of Highway A, 790 ft. west of Fed. Sig. 1003 122 45 Highway D ,

I F4 Phelps City, MO: On east side of Highway U,1300 ft. south Fed. Sig. 1000T 122 45

'of Highway 136 F5 ,

Southwest of intersection of Highway 136 and Interstate 29 Fed. Sig. 1003 122 45

. F6 Rock Port, MO: On west side of church parking lot at Fed. Sig. 1003 122 45 southwest corner of Opp and Nebraska Streets F7 Langd'on, MO: On north side of Highway E, 1/4 mile west of, Fed. Sig. 1000T 122 45 Langdon F8 Nishnabotna, MO: On west side of Highway 111, 7/10 mile Fed. Sig. 1000T 122 45

! north,0f Highway 2

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FS Shubert, NE: 3'O ft. south of Fire Sta' tion (north of Fed. Sig. 1003 122 45 l- -

telephone company building)

F10 Nemaha, NE: On east side.of Highway 67, 60 ft. southeast Fed. Sig. 1003 122 45 of Fire Hall (in old coal bin)

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Fed. Sig. 1000 125 45 F11 ,CNS: IN mileAeast of CNSAm uth :Me d =creer re:P F12 CNS Environmental Station: 1/2 mil'e south of sampling Fed. Sig. 1000 125 45

' station, on east side of river access road a Based on anechoic ch' amber testing data, presented in Appendix E.

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-e-APPENDIX H Yk

• SPECIAL ALERTING ROUTES AND PROCEDURE SUMMARIES .

l The special alerting components of the CNS Alert and Notification System are used for those areas of the CNS Emergency Planning Zone not covered by fixed sirens or tone alert radios. These areas consist of the Brickyard Hill State Wildlife Area in Missouri, the Indian Cave State Park in Nebraska, and the Missouri River. Appendix C delineates these

~ l areas of the CNS Emergency Planning Zone which are to be covered by mobile routes.

Resources, manpower, and vehicles for the CNS Alert and Notification System will be supplied from existing resources and will be supplemented by mutual aid agreements that are on record for appropriate state, county, and local government emergency response organizatons.

This appendix presents maps of the two alerting routes and summaries of the procedures to be used to acti'vate these routes. The route maps and -

procedure summaries for Brickyard Hill, Indian Cave, and the Missouri River are included as Attachments H.1, H.2, and ' H. 3, respectively.

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-i This attachment to Appendix H contains the aerial notification flight pattern map and corresponding procedure summary for the Missouri River.

5 An analysis of the equipment and routes is also presented in this attachment.

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. 07/86 Missouri River Special Alerting Procedure Summary i

In the event of an emergency at CNS where notification of visitors on the Missouri River, outside of the siren coverage area, is deemed neces-sary, the following alerting procedures will be followed:

Primary:

The CAP pilot will fly over the Missouri River using the siren on a steady blast. Signs at all public landings and access points inform visitors what to do when .this signal is given.

Secondary:

. The CAP pilot will maintain communications with Cox Aviation (flying Brickyard Hill) on the frequency.

The CAP pilot will have public address capability to notify-transients of evacuation information.

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DRAFT Special Alerting Analysis I

An analysis of the notification equipment and time frame for the air-craft is presented below:

Siren model: Whelen 370 (2 sirens)

Amplifier: WS-295 Rating at 100 ft: 112 d8(C) (manufacturer's rating)

Rating to 20 d8(t): -1890 ft Flight altitude: 500 ft Flight speed for notification: 70 mph Flight speed in transit: 150 mph Length of flight lines for notification: 12 mi Length of transit flight line: 10 mi Time to cover notification flight lines: 10.3 minutes Time to cover transit flight line: 4 minutes Total flight line time: 14.3 minutes

, Pilot notification time: .2-5 minutes i .

Pilot transit time to aircraft: 5-10 minutes Aircraft preparation time: 2-5 minutes Aircraft takeoff time: 2-5 minutes Flight time to Missouri River: 5 minutes -

Total elapsed notification time: 30.3-44.3 minutes It should be noted .that all aircraft pilots can respond within then time frames. Also, a faster flight speed ,for the notification flight lines is possible, but the effective signal duration .is reduced.

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• a Federal Emergency Management Agency Region VII 911 Walnut Street Kansas City, Missouri 64106 p

A MEMORANDUM FOR: Fran Laden, Assistant Director State of Nebraska Civil Defense R.D. Ross, Director i State Emergency Management Agency Chief FROM: ,,

- Natural & Technological Hazards Division M.

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SUBJECT:

- Amended Design Report - Cooper Wa have received the caterial submitted by NPPD to comply with the August 15, 1986 deadline in our. memo of June 6, 1986.

Thic memo called for:

1. An amended Design Report accounting for initial alert of essentially 100% of the population within 5 miles of the plant in 15 minutes; and within 10 miles of the plant in h5 minutes.

2. Amendmente to State and local plans if required by the smended Design Report.

Tha materials submitted are unacceptable on the following counts:

1. The Design Report is a " Draft" not a final prodnet.

2. The Draft Design Report continues not to address in any way a stretch of the Missouri River approxicately 3/h mile long between h and 5 miles from the plant in the north portion of the EPZ.

3. Letters of Agreement with the Civil Air Patrol are unsigned.

NPPD's continued failure to submit an acceptable amendment to the Alert cnd Notification Design Report can only lead to our notification of the NRC that we cannot approve the Alert and Notification System or a negative finding on the report. As you know, the existing 350 approval is conditioned on the approval of the Alert and Notification element. On a more immediate note, NPPD's failure to submit the required amendment prejudices the September 2h, 1986 exercise for both Nebraska and Missouri.

Numerous memoranda on the matter, and meetings held with NTfD and the States, r icd us to believe the required corrective actions had been clarified and an understanding reached to resolve the catter at hand. The latest draft submittal breaches the aforesaid understanding.

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. It is imperative that NPPD take action to submit a final Design Report, addressing all needed elements, prior to September 9, 1986, in order to avoid potential negative evaluations of the States of Nebraska and Missouri in the upcoming exercise.

cc: J. Pilant, NPPD Charles Hackney, NRC IV Robert Wilkerson, FEMA HQ Megs Hepler, FEMA HQ J.D. Overstreet, Regional Director, R-7 John Coleman, Deputy Regional Director, R-7 l

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CNSS864312 S:ptember 9, 1986

.. 'j Mr. Fran Laden Assistant Director Nebraska State Civil Defense Agency ,

gg 1300 Military Road Lincoln, NE 68508-1090

': j Mr. Richard D. Ross, State Director Microuri State Emergency Management Agency P.O. Box 116 J3fferson City, MO 65102

Subject:

Cooper Nuclear Station Alert and Notification Design Review Gentlemen:

30 Enclosed are two revisions to 'the FEMA 43/ REP 10 Design Report, and a Letter of Agreement with Mr. Keith Harmon.

R; vision 3 of the design report shows the contours for the two additional cir:ns, F-11 and F-12, to be installed in mid-October.

Revision 4 details the clart and notification q,f transient population along the Missouri River,' as v211 as the design basis for siren coverage in this area.

NUREG-0654/ FEMA REP-1 makes provisions for basing a siren design system on cith;r Icvals. handbook values or field survey results for ambient background sound Riv0r are The 38.3average dB. The ambient sound pressure levels measured on the Missouri minimum sound pressure level to adequately alert the trcnnient population on the Missouri River, according to guidelines octchlished in NUREG-0654/ FEMA REP-1, is 48.3 dB.

S ction 2.4.2 of the design report explains the calculational procedure for dat:rmining the sound level contours. There is a loss of 10 dB per distance d:ubled, therefore the 50 dB contour line is twice the distance from the origin as the 60 dB contour line, given no terrain barriers exist. Siren F-12 cnd siren F-8 cover the 5-10 mile stretch of the Missouri River in the ccuchern portion of the 10 mile EPZ with a minimum of 50 dB. This means flying the southern portion of the river is not necessary.

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CN5S4312 September 9, 1986 ,

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NPPD is considering the installation of another siren (F-13) to eliminate the necessity of special alerting along the river. This proposed siren would be sited in Missouri, north and west of Missouri River mile marker 540, ar.d will provide an adequate alert signal for the northern 5-10 mile stretch of the river in'the 10 mile EPZ.

W2Lhf J. M. Pilant Technical Staff Manager Cooper Nuclear Station JMP/KMK/j s cc: C. R. Wingo F. Begley Attachment I

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O1 P"I'AllT2iENT OF PUP.LIC S A FFTY CE OFTIIE ADJUTANT GENE;tAL Dirca...

~ ' .4.d 'Sh EMERGENCY MANAGE. MENT AGENC'I 7. n

't P. O. Box 116 h,hj[jff)

.l'f-sy Jefferson City, Missori 05102

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,9.k2fp 'II. , ',', ;;\*

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~1Yg,G' Phone 314 - 7512321 ,

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May 19, 1986 Mr. Keith Harmon 406 So. Main Rock Port, MO 64482 Re: Letter of Agreenent

Dear Mr. Harnon:

This Letter of Agreement (LOA) will outline responsibilities and supporting activities between yourself and the State of Missouri, for alert and notification along the Missouri River and in Brick Yard Hill Wildlife Area.

Keith Harmon will:

1. Prov.i.b alert and notification for the E.ergency Planning Zone (EPZ) along the Missouri River from 5-10 miles both if north and south of Cooper Nuclear Station.

-2. Provide alert and notification for Brick Yard Hill Wild--

life Area.

3. Alert and notification is to be accomplished within 45 minutes of notification by the utility to the State of Missouri.

The State of Missouri will:

1. Provide training for personnel to keep them proficient at alertand notification procedures.

2. Provide necessary equipment and srpplies to support this notification effort.

ha' 8k.) 7lt 4mM

~

! f! A2 i fd.V Keith Harnen P,1 chard D. Ross Pilot Director u State Drergency Managem2nt Agency

Date N%i .2 /. /fN i

(7 Cate At-r .

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COOPER 23 JUNE 19SG