ML20030C504
| ML20030C504 | |
| Person / Time | |
|---|---|
| Site: | Zimmer |
| Issue date: | 02/28/1981 |
| From: | CINCINNATI GAS & ELECTRIC CO., COLUMBUS & SOUTHERN OHIO ELECTRIC CO., DAYTON POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML20030C501 | List: |
| References | |
| NUDOCS 8108260174 | |
| Download: ML20030C504 (14) | |
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REPORT CO'v7 RING THE PRCMPT NOTIFICATION SYSTEM DESIGN FOR THE
'WM. H. ZIMMER NUCLEAR POWER STATION THE CINCINNATI GAS & ELECTRIC COMPANY COLUMBUS AND SOUTHERN OHIO ELECTRIC COMPANY THE DAYTON POWER AND LIGHT COMPANY February 1981 b
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..g INTRODUCTION This report presents the proposed system design for prompt-notification of the public within the plume exposure Emergency Planning Zone of the Wm. H. Zimmer Nuclear Power Station.
The objective has been to design a system that provides the required notification capability in accordance with regulatory requirements in an effective manner, while achieving the ready acceptance of the public as well as that of federal, state and local governments.
It is recommended that the system be a composite system including sirens, mobile alerting, and tone-activated receivers.
This report described the regulatory requirements, deteils of the recommended systems, potential mechanisms for system activation, and provisions for special facilities.
REGULATORY GUIDANCE Regulatory guidance for the implementation of the prompt notifica-tion requirements is contained in Appendix 3 of NUREG-0654/ FEMA-REP-1, Revision 1, November 198 0, "Means for Providing Alerting and Notification of Response 0rganizations and the Population."
The prompt notification system recommended by this report has been designed giving full consideration to Appendix 3 of NUREG-0654/
FEMA-REP-1.
The acceptance criteria as contained in NUREG-0654 Appendix 3 follow.
"The minimum acceptable design objectives for coverage by the alerting and notification system (s} } are:
Capability for providing both an alert signal a.
and an informational or instructional message on an area wide basis throughout the 10 mile plume exposure EPZ within 15 minutes.
b.
The initial notification system will assure t
I direct coverage of essentially 100% of the population within 5 miles of the site.
I c.
Special arrangements will be made to assure 100%
coveragt within 45 minutes of the population who may not have received the initial notification within the entira plume exposure EPZ."
l NUREG-0654 Appendix 3 states that the lack of a specific design l
objective for a specified percent of the population between 5 and 10 miles is to allow flexibility in system design.
NUPIG-0654 Appendix 3 also indicates that sirens on vehicles may be used to supplement fixed alert systems outside the inner 5 mile radius of the plume exposure emergency planning zone.
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NUREG-0654 Appendix 3 discusses several methods of public notification such as sirens, tone alert radios, etc., but does not limit the design of a system to those methods.
The only design requirement is that the system meet the. stated design objectives.
In NUREG-0654 Appendix 3, it is suggested that the system may also, be useful for communications in support of other emergency needs (e.g. tornados).
However, system design changes to adopt the system for other purposes are not suggested unless (a) all of the radiological emergency criteria are still met and (b) such adaptation does not compromise their primary purpose.
The siren system design portion of the total system considers the demograpriy and topography of the Zimmer Station area, and takes into account existing alert o.- ~ notification syste' s.
The use of m
cost effective combinations of systems is desirable.
Sirens may be a component of the complete notification system, but other considerations suggest the use of alternative methods in thinly populated areas where such methods meet the notification criteria for the plume exposure emergency planning zone.
RECOMMENDED PROMPT NOrQICATION SpTEM DESIGN The prompt notification system design considers three taographic areas surrounding the Zimmer site.
These areas are roughly 2, 5, and 10-mile radiu zones.
Tnese zones are chosen for convenience in planning prouective action recommendations.
The plume exposure emergency planning zone approximates a 10 mile radius circle.
Since the Zimmer site is adjacent to' the Ohio River, which is the border between Kentucky and Ohio, these zones include parts of both states.
The terms "2, 5, and 10-mile radius planning zones" refer to the areas within specific boundaries selected by state and local agencies.
The actual boundaries of the zones follow roads or physical features to simplify identification and description and are generally of greater radius than nominal distance.
Figure 1 is a map presenting the 2, 5, and 10-mile planning zone boundaries and the expected siren coverage.
Table 1 presents a list of siren mounting locations, the output of the respective sirens, and an approximate number of residences expected to be covered by each siren.
A composite system including sirens, mobile alecting, and tone-activated radios is proposed for the prompt notification of the public in the Zimmer Station emergency planning zone.
The system was designed taking into consideration a number of different factors, ircluding primarily technical adequacy cf the recommended. components and ability to meet or exceed regulatory criteria.
System reliability, public acceptance, feasibility of installation and maintenance were othat factors considered. - - -
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4 Area Within 5 Mile Planning Zone Boundary Within 5 miles of the station, the recommended alerting system includes 8 sirens covering approximately 40 percent of the populat' ion.
Sirens are a long proven, acceptable method of alerting, provided that sound levels are sufficiently high to serve their intended purpose.
In addition to the sirens, it is proposed that tone-activated radio receivers be made available to all households within 5 miles of the power station, including those households covered by sirens.
This provides greater capability to achieve the design objective of 15 minute notification for all of the population within 5 miles.
Area Outside 5 ile Planning Boundary to the Plumb Exposure Planning Zone Boundary In the area between the 5 mile radius and the boundary of the plume
-exposure emergency planning zone, 22 fixed sirens are proposed in locations where the population is concentrated.
Tone-activated receivers arc recommended to be made available to the public in areas not alerted by fixed sirens.
Mobile alerting may be utilized in those areas where other methods are not feasible due to unique conditions.
Fixad Siren System In order to provide full alerting, the siren portion of the notification system has been dasigned to provide a minimum 60 dBC sound level.
The areas where-a 60 dBC sound level can be achieved have been determined by taking into consideration topography, atmospheric effects, wind and other sound attenuation parameters.
These areas are presented in Figure 1.
. As a result of Ehis study, 30 fixed sirens have been proposed as part of the Zimmer prompt notification system.
Sirens are proposed for these locations primarily due to the high population density.
This approach (a) achieves effective placement of the individual,
sirens and (b) provides a disaster warning system (e.g. tornado warning) for use by the local county governments.
Siren placements would be on utility-poles or other structures.
Sirens would be mounted high enough to avoid excessive sound levels to persons at ground level.
Of the 30 coverage areas studies, two included public parks:
Kincaid Lake State Park and A.J. Jolly County Park in Kentucky.
In these areas, sirens are not considered adequate as a method of notification because transients may not recognize the siren signal as a warning, since visitors to these parks may not have received the annual public information program.
It is proposed that a fixed combination siren /public address system be utilized at these -__
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facilities as a means of prompt notification.
This system would i
provide both an initial siren alerting signal followed by an l
instructional message advising the public of the proper action l
to be taken.
The system would be augmented by mobile alerting in both public parks.
Siren placement and evaluation of expected coverage was based on the following criteria provided by the Federal Emergency Manageme.c Agency:
a.
As an acceptable criteria at most locations 10dB above average daytime ambient background should be a target level for the design of an adequate siren system.
The 10dB differential above daytime ambient is meant to provide a distinguishable signal inside l
of an averige residential construction under average conditions, The siren signal shall be a 3 to 5 minute stecdy signal which is capable of repetition.
b.
The maximum sound levels received by any member of the public should be lower than 123dB, the level which may cause discomfort to individuals.
Where special individual cases require a higher alerting signal than the 10dB differential, it should be provided by other means than a generally distributed.
acoustic signal.
Mobile Sirens /public Address Systems Mobile sirens /public address systems have two uses in prompt notification.
The first is to suppleme.nt the use of tone-activated
'io receivers and stationary sirens at population centers outside
.. a 5 mile planning boundary.
The second is to notify the public sdthh1 recreational areas'.
These people are usually transients not previously exposed to public infornation programs.
Large-scale dependance on mobile siren systems as a primary means of alerting appears impractical, particularly due to the lack of sufficient vehicles and manpower.
This methed could be used outside the 5-mile planning boundary to serve as a backup and provide verification of alerting.
The recreational areas in the plume exposure emergency planning zone include the A.J. Jolly County Park and Kincaid Lake State Park in Kentucky and the Capt. Anthony Meldahl Locks and Dam area in Ohio.
In addition, areas adjacent to the Ohio River may be used for camping, fishing, hunting and other recreational activities.
The use of mobile alerting sirens and public address systems in these areas would be the most effective method of notification.
The methcd would not only notify, but would also communicate instructional messages.
The use of mobile systems in recreational facilities is recommended with all system designs, as it is thought to be the most effective method for transient population notification.
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Radio Warning Devices Tone-activated radio-frequency receivers meet the requirements for a primary warning device due to their ability to be unmuted after receiving the activation signal and to convey the initial alerting j
signal.
One desirable feature, which sirens do not have, is the ability to broadcast the specific warning message.
The NOAA (National Oceanic und Atmospheric Administration) system is the most desirable of the radio systems.
It has a greater likeli-hood of achieving public acceptance since it may be used by many families to obtain routine weather information and emergency messages for fast developing weather events.
This frequency of usage, combined with routein tone-activated tests, helps to assure that the system would be operable 1.n the event of a radiologien1 1
emergency alert.
I As the existing UOAA transmitter in Covington, Kentucky cannot provide adequate coverage to the Zimmer Station area, a new trans-mitter will be installed near the Zimmer Station.
This transmitter would operate on a newly-assigned NOAA frequency and would provide unique coverage' to the areas surrounming the "immer Station.
The tone-alert radios tuned to this single frequency would only be operable in the Zimmer area.
Some modifications to the readily available home-type receivers, as they currently exist on the market, are proposed as follows.
Controls should be limited to assure uninhibited reception of the alert signal and emergency message.
Provision should be made for switching either to a monitor mode to hear weather reports or to an alert mode whereby the audio is muted but would be activated'by reception of the alert tone.
There should be no power on-off switch to assure the receiver would always remain powered as long as the line cord was plugged into an outlet.
The receiver should be crystal-controllcd on only one frequency.
Upon receiving and decoding the laert tone, a loud warning signal should sound for at i
l least 10 seconds and a signal light should come on and remain lit.
The receiver would also be equipped with a relay that would be activated with the alert light and would provide a dry contact j
closure for connection to other external audible or visual alarms, I
if desired.
Also upon receiving the alert tone, the receiver volume level would be. switched to full volume and the loudspeaker muting system disabled for reception of the message.
It should remain in this mode until it is reset to the muted or controlled volume mode by the listenar.
These radio receivers are activated by a 150 IIertz tone which is broadcast by the NOAA station.
This is followed by the specific warning message.
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The Emnrgency Broadcast System is expected to be used to provide informatien to the public within the Zimmer plume exposure emergency planning zone following an alerting signal by sirens or other means.
The population will be advised, via the pre-emergency public information program, to listen to a local Emergency Broadcast System station (WCEY, primary. station; WLW, secondary station) to receive information and instructions relative to the emergency.
Emergency Broadcast System use is suggested (but not required) by NUREG-0654/ FEMA-REP-1, Rev.
1," Criteria for Preparation and Evaluation of Radiological Emergency Response Plans and Preparedness in Support of Nuclear Fower Plants ", Paragraph II.E.5.
The local Emergency Broadcast System is an established system which may be normally activated in response to potential or actual emergencies such as tornador, heavy snows, power _ outages, floods, civil disturbances, earthquakes, and any occurrences that pose a danger to life or property.
Distribution and Control of In-Home Radio Equipment It will be necessary to develop a detailed plan for the distribution and control of a tone alert radio system.
The details of a distribution system will be discussed with state and local officials, recognising there is no means of requiring the public acceptance of such in-home equipment.
Alternate Warning System - Telephone System Utilization of the tcAephone system for alerting the public within the plume exposure emergency planning zone has been considered, using a telephone-ringing system.
One potential. problem is that the Bell System does not dover the full emergency planning zone; several independent companies are involved and agreements and equipment are not yet available.
Also, Federal Communication Commission rules regarding interruption of conversations may preclude the use of this system for prompt notification.
This is presently under study by telephone utilities.
Finally, this systa.- could tie up an alternative communication system for state and local emergncy l
activities.
While we are aware the telephone utility companies are investigating the use of a telephone ringing system, the unsolved issues presently make this system inadvisable, nowever, this conclusion may change after their upcoming study is completed.
l SPECIAL FACILITIES Special facilities within the Zimmer plume exposure emergency planning zone have been taken into consideratior. in the design of the prompt notification system.
A list of these special facilities is presented in Table 2 and their locations are identified on Figure 2.
These special facilities include 17 schools, 3 rest homes, 3 recreation areas, 3 industries, and 1 day care center. --
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Schools Schools would normally be notified by a telephone message originating at the county communications centers.
This message could be conveyed directly to the individual schools or through the appropriate school district personnel.
As a feature of the prompt notification 's'ystem, sebaols will be supplied with institutional-quality tone-activated radio-frequency receivers, providing an additional or backup means of notification.
This receiver, like the home-type receiver, would be tuned to the single NOAA frequency transmitted from a location near the power station.
The institutional receiver has added features, such as battery powering upon loss of AC supply, which increases the reliability of the unit.
Recreational Areas There are three recreational areas within the plume exposure emergency planning zone:
Kincaid Lake State Park, A.J.
Jolly County Park, both in Kentucky, and the Capt. Anthony Meldahl Locks and Dam in Ohio.
The two Kentucky parks would have a siren /public address system mounted near their primary recreation areas.
The system will be augmented by mobile sirens and/or mobile public address systems mounted on Campbell County Sheriff Depnrtment vehicles for the A.J.
Jolly Park and two State vehicles at the Kincaid Lake State Park.
In Ohio, at the Capt. Anthony Meldahl Locks and Dam, mobile sirens and/or a public address system will be used as the primary means of notification and method to inform those people of the situation and the recommended protective actions.
This means of notification is practical at these locations because many private campsites along l
the river will also need to be notified in the same manner.
s Industries Each of the three major industries within the plume exposure emergency planning zone woulc be notified by the NOAA system and would be supplied with an institutional-quality tone-alert radio receiver.
Two of the industries would also be near a siren.
The i
J&H Clasgens Co. is 0.5 mile north of the New Richmond siren (number
- 16) and the Black River liining Company is across the Ohio River from the Moscow, Ohio locatica of a siren (number 10).
Rest Homes / Day Care Centers There are three rest homes and a day care center within the plume exposure emergency planning zone.
All four facilities would be supplied with institutional NOAA weather radio receivers regardless of their proximity to the nearest siren.
The applicable emergency plans may provide these facilities with.other special considerations such as notification by telephone messages by the County DDS coordinators in Kentucky and by CCDSA in Ohio due to their special protective action recuirements.
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Alerting Hearing-Impaired People Alerting deaf or hearing-impaired people would be accomplished using speciai' tone-activated radio receivers equipped with bright flashing ligh.ts.
Hcuseholds containing these people would be provided with a special receiver that would be activated in the same manner as the standard home receiver.
SYSTEM ACTIVIATION State and local officials have not yet indicated how they desire the prompt notification system to be activated.
This must be determined by state and local officials after they concur with the basic design elements.
The procedures for activiation are to be contained within the State and County emergency plans.
Sirens It is possible to provide :quipment to activate the siren system in one of a number of different modes.
Sirens could be radio-activated using' digital signals.
Using this approach, it would be possible to activate sirens in cny desired pattern or time sequenc.e.
For example, the system could be designed so that sirens may be activated only within a particular sector or coumty, or only out to a certain radius from the station.
It is e :r-"ted each county would want to be responsible for activating sirens within their jurisdiction.
Incorporated towns and cities could also have the option of being able to activate sirens within their jurisdiction.
Therefore, many sirens could potentially have control points at more than one location.
Provisions will be made in the activation system to avoid overloading the electric power grid due to the starting surge when multiple sirens are activated.
Radio Peceivers When the NOAA weather radio system is utilized for alerting, it will activate all radio receivers within the plume exposure emergency planning zone.
Although the possibility does exist for system activation by site, county, and/or state officials, it is recommended that the radio system be activated either at the request of Ohio or Kentucky state officials only.
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TABLE 1 RECOMMENCED SIREN LOCATICNS, SIREN SI"ES, AND PCPULATION COVEFAGE Approximate Siren Housing Units No.
Location
- Rating **
Covered 1
Alexandria, KY South 120 500 2
Alexandria, KY North 120 500 3
Carthage, KY 110 80 4
California, KY 120 95 5
Mentor, KY 110 85 6
Persimmon Grove, KY 110 75 7
A.J. Jolly County Park, KY PA**
8 Grants Lick, KY 115 60 9
Locust' Creek, KY 110 80 10 Johnsville, KY 110 50 11 Lenoxburg, KY 110 60 12 Kincaid Lake State Park, KY PA***
13 Foster, KY
' 110 55 14 Peach Grove, KY 115 25 15 Butler, KY 110 135 16 New Richmond, OH 120 540 17 Point Pleasant, OH 110 40 18 Moscow, OH 120 120 19 Neville, OH 110 60 20 Chilo, OH 110 105 21 Rural, OH 110 30
- 22 Felicity, CH 110 390 23 Point Isabel, OH 110 60 24 Laurel, OH 110 90 25 Saltair, OH 13 5 60 2G Nicholsville, OH 120 175 27 Bethel, OH 115 825 28 Lindale, OH 120 255 29 Mt. Pisgah, OH 110 80
+
30 Hilltop Estates, OH 110 155 Locations shown on Figure 1 Sound level dBC at 100 feet Combination fixed siren - public address system
TABLE 2 SPECIAL FACILITIES WITHIP THE PLUME EXPCSURE EMERCENCY PLANNING ZONE CF THE WM. H. ZID.ER NUCLEAR POWER STATION Map Residents /
ID Students /
No.
Facility Name Iccation Ecolovees*
CAMPBELL COUNTY, KY.
1 A.J. Jolly Elemtatary School California, KY 370 2
St. Peter & Paul Elementary SE of California, KY 73 School 3
Southern Campbell Middle School Alexandria, KY 550 4
Alexandria Elementary School Alexandria, KY 830 5
Campbell City High School Alexandria, E 1,900 6
Grants Lick Elementary School Grants Lick, E 425 7
St. Mary's Elementary School Alexandria, E 475 8
Bishop Brossart High School Alexandria, KY 375 9
Campbell City Area Vocational Alexandria, E NA School 10 Carphell County Park Aspen Grove, KY 500 l
(max.
2,500) l 11 Grants Lick Rest Home Grants Lick, E 30-35 PENDLETON COUNTY, KY.
12 Northern Elementary School Butler, KY 700 13 Butler Rest Home Butler, KY 20 14 Kincaid Lake State Park NE of Falmouth, KY 500 (max.
4,000) 15 Black River Mining Co.
Carntown, KY 160 (80 l
per shift NA - Not Available.
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Map Residents /
ID Students /
No.
Facility Name Imcation Employees
- BRACKEN C0CNTY, KY, 16 Western Hills Elementa ry SSE of Foster, KY 250 School
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CLERMCNT COUNTY, OH 17 Moscow Elementary School **
Moscow, OH 18 Monroc Elementary School New Richer.4d, OH 155 19 New Richmond Elementary New Richmond, OH 570 School 20 New Richmond Junior High New Richecnd, CH 600 School 21 New Rich =ond High School New Richmond, OH 750 22 Felicity-Franklin Schools Felicity, OH 1,100 23 J & H Classens Co.
New Richmond, OH 25-30 24 W.C. Beckjord Station New Richmond, OH 150 25 Dobbins Nursing Home New Richmond, OH L22 26 Head Start Day Care Center Felicity, OH 35 27 Capt. Anthony Meldahl IncPs East of Neville, OH 500 max, and Dam
- Maximum student population is presented
- No longer used as a school 9
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PROMPT NOTIFICATION SYST 3 Al SIREN SYSTEM DESIGN / PROCUREMENT / INSTALLATION LAND USE RIGHTS
- ACOU 118T10N PERIOD h
SIREN SITES
- DE5 TON & IN$iAL SPEC 5.
- C. G. 4 E. R EVIE W
- SitEN DELIVERY
- SIREN R ADIO RECEIVERS
-- P. O.
-- DELIVERY
- POLES DELIVERY
- BIDDING
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- INST ALL ATIO N SIREN ACTIVATION EQUIPMENT
- FREQUENCY $PEC.
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- TR ANSMlliER EQUIPMENT
-- P. O.
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-- DELIVERY
-- INST ALL Allo N
- ACTUATION DEVICE
-- SPECS.
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-- P. O.
-- DEllVER Y 4
-- INST ALL ATIO N TONE ALERT RADIOS i
DE5fGN/ PROCUREMENT / INSTALLATION
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TONE ALERT RADIO SYSTEM
- SPECIFiCAilONS
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- M AINTE N A N CE 03 ORAM
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- INST ALL AilON ---
SYSTEM DOCUMENTATION PN SYSTEM TESTING - -- ---
TRANSFER ^7 OWNERSHIP i
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JULY AUG.
SEPT.
OCT.
I 1981 i
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