ML20237G701
| ML20237G701 | |
| Person / Time | |
|---|---|
| Site: | Brunswick  |
| Issue date: | 06/25/1987 |
| From: | INTERNATIONAL ENERGY ASSOCIATES, LTD. |
| To: | |
| Shared Package | |
| ML20237G675 | List: |
| References | |
| NUDOCS 8708240194 | |
| Download: ML20237G701 (144) | |
Text
{{#Wiki_filter:_ _ - _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ mm umma m amm mump = W "MW INiillNAil0NAL l i 1 Energy and - ! Environment Group BRUNSWICK STEAM ELECTRIC PLANT SITE-SPECIFIC OFFSITE RADIOLOGICAL EMERGENCY PREPAREDNESS ALERT AND NOTIFICATION SYSTEM QUALITY ASSURANCE VERIFICATION Prepared for Federal Emergency Management Agency Washington, D.C. 20472 Under Contract No. EMW-83-C-1217 [gk N O N s [ F June 25, 1987 International Energy Associates Limited 3211 Jemiamown Roa] Ia:f'ax, V:rgna ??03] (703)46-0200
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i BRUNSWICK STEAM ELECTRIC PLANT 1 SITE-SPECIFIC OFFSITE RADIOLOGICAL EMERGENCY PREPAREDNESS ALERT AND NOTIFICATION SYSTEM QUALITY ASSURANCE VERIFICATION I Prepared for Federal Emergency Management Agency Washington, D.C. 20472 Under Contract No. EMW-83-C-1237 i l June 25, 1987 1
I i TABLE OF CONTENTS l 1 ! I. INTRODUCTION. 1 } A. Identification l 1
- 1. Site Information
- 2. Governments Within The 10-Mile 1 Emergency Planning Zone ,
i 2 B. Scope Of Review
- 1. Emergency Plans For Offsite Response' Organizations 2
- 2. Alert And Notification System. 1 Design Report 3 j
- 3. FEMA Evaluation Findings 3 9
4 II. FINDINGS FOR EVALUATION CRITERION E.6 A. Administrative Means Of Alerting (E.6.1, FEMA-43) 5 B. Physical Means Of Alerting (E.6.2, FEMA-43) 5
- 1. Sirens (E.6.2.1, FEMA-43) 5
- 2. Special Alerting (E.6.2.4, FEMA-43) 18 l III. FINDINGS FOR EVALUATION CRITERION N.1 20 1 l IV. FINDINGS FOR EVALUATION CRITERIA E . 5 , F.1, N. 2 , N. 3 , AND N. 5 26 l
REFERENCE LIST 27 APPENDIX A: OSPM Topographical Profile Charts i OSPM Topographical Input Data OSPM Siren Sound Pressure Level Input Data OSPM Meteorological Input Data ) OSPM Siren Sound Pressure Level Output Data Sample Size Determination APPENDIX B: l _ _ - _ _ _ _ _ _ _ _ .-_-____-______________-_-______--a
l Brunswick Steam Electric Plant Site-Specific Offsite Radiological Emergency Preparedness Alert And Notification System Quality Assurance verification State Of North Carolina Brunswick County New Hanover County 1 INTRODUCTION I. A. Identification
- 1. Site Information I 1
4 The Brunswick Steam Electric Plant is located near , the City of Southport in Brunswick County, North Carolina. The City of Wilmington lies approximately 16 miles north of the plant site in adjacent New Hanover County. The Cape Fear River forms a natural border between the counties, both of which border the Atlantic Ocean.1 I Approximately 50% of the area within a 10-mile radius j of the plant site is comprised of water. The remain- { ing land area is predominantly rural, made up of j beach or marshland and a small amount of farmland.2 j
- 2. Governments Within The 10-Mile Emeroency Planning l 20ne The emergency planning zone (EPZ) for the Brunswick Steam Electric Plant is determined by a 10-mile-radius circle with the plant as the center point.
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, 1 The EPE is located entirely within the State of North' ;
carolina and encompasses por* tons of Brunswick and l New Hanover counties. According to preliminary 1980 census data, it was determined that the total 1980 population within the Brunswick Steam Electric Plant EPE was approximately l 12,700 persons. Approximate populations within the l EPE in 1980 included the City of Southport, located I l two miles south-southwest of the plant site, with 2,824 persons; Boiling Spring Lakes, located five miles north-northwest of the plant sits, with 998 persons; and Pleasure Island, located six miles northeast of the plant site, with 2,000 persons.2 1 Recreational activities within the Brunswick Steam Electric Plant EPE take place primarily along the Atlantic Ocean beach areas during the summer. The combined daily summer visitor population for these - beach areas exceeds a daily average of about 10,000 persons. There is also a substantial waterborne population within the EPE involving the Intercostal ; Waterway, the Fort F10her ferry, ocean-going commercial traffic, and recreational boating.2 I t B. Scope Of Review ,
- 1. Emeroency Plans For Offsite Response Organizations All appropriate offsite radiological emergency plans and preparedness site-specific to the Brunswick Steam Electric Plant have been reviewed by the Federal Emer-gency Management Agency (FEMA) Region IV, and the Regional Assistance Committee. )
2 1 w--____________- _ _ _ _ _ _ _ _ _ _ _ _ _ _ - _ _ - _ _ _ _ _ _
- 2. Alert And Notification System Design Reoort The physical means established for alerting the pub-I lic within the Brunswick Steam Electric Plant EPZ are documented in the following:
. Acoustic Technology Inc., " Brunswick Steam Elec-tric Plant Alert / Notification System Report," i prepared for Carolina Power and Light Company, August 1984 (hereinafter referred to as the j Design Report).1 l 3. FEMA Evaluation Findings j l
The offsite radiological emergency plans and pre-paredness site-specific to the Brunswick Steam Electric Plant received approval under Title 44 of l the Code of Federal Regulations, Part 350 (44 CPR ] 350), conditioned upon verification of the adequacy of the public alert and notification system, as I documented in the:
. Letter to the Honorable James B. Bunt, Jr., I Governor of North Corolina, signed by Lee M.
Thomas, Associate Director, State and Local Programs and Support, FEMA, dated March 17, 1982;3 and
. Letter to William J. Dircks, Executive Director for Operations, U.S. Nuclear Regulatory Commis-sion, signed by Lee M. Thomas, Associate Direc-tor, State and Local Programs and Support, FEMA, dated March 17, 1982.4 '
3 -
l II. FINDINGS FOR EVALUATION CRITERION E.6 The Design Report describing the alert and notification system for the Brunswick Steam Electric Plant was reviewed against evaluation criterion E.6 and Appendix 3 of NUREG-0654/ FEMA-REP-1, Revision 1, " Criteria for Preparation and l Evaluation of Radiological Emergency Response Plans and Preparedness in Support of Nuclear Power Plants" (here- , inaf ter referred to as NUREG-0654/ FEMA-REP-1, Rev.1) . This evaluation criterion states: Each organization shall establish administrative and physical means, and the time required for t notifying and providing prompt instructions to the public within the plume exposure pathway Emergency Planning Zone. (See Appendix 3.) It shall be the licensee's responsibility to demon-strate that such means exist, regardless of who implements this requirement. It shall be the responsibility of the State and local govern- , ments to activate such a system.D ! The bases for review against this evaluation criterion were the corresponding acceptance criteria of FEMA-43, " Standard Guide for the Evaluation of Alert and Notification Systems for Nuclear Power Plants =6 (hereinafter referred to as FEMA-43). This quality assurance verification review was performed to make a determination of alert and notification system adequacy prior to conducting a demonstration of this system for the Brunswick Steam Electric Plant on September 18, 1985. j i Based upon this quality assurance verification review and j public survey results, International Energy Associates Limited concluded that the design and implementation of the alert and notification system for the Brunswick Steam Elec-tric Plant and its supporting procedures conformed suffie 4
1
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ciently to the acceptance criteria, as stated in FEMA-43, for1 evaluation criterion E.6 of NUREG-0654/ FEMA-REP-l', Rev. . 1, to support a' FEMA findingLthat the Lalert and notifica- ' tion system is adequate. This portion of the' quality assurance verification review evaluates the Brunswick Steam Electric Plant's alert and notification system against . FEMA-43 . acceptance criteria in the following areas: the physical means- of alerting and the special alerting methods. 1 A. Administrative Means Of Alerting (E.6.1, FEMA-43)- The administrative means of alerting for the Brunswick- - Steam Electric Plant were evaluated by FEMA and the Regional Assistance Committee in their determination of adequacy under 44 CFR 350.3,4. B. Physical Means Of Alerting (E.6.2=, FEMA-43) A description of and supplementary ~ information for the physical means of alerting for the Brunswick' Steam Electric Plant is contained in Section 2.3 and Attach-ment 9 to the Design Report. The system consists of 33 Federal Signal (PS) Thunderbolt Model 1000 rotating sirens rated at 125 dBC by the siren manufacturer.
- 1. Sirens (E.6.2.1, FEMA-43)
The Brunswick Steam Electric Plant siren warning ' system was evaluated-in accordance with the design evaluation methodology detailed in " Analysis of Siren : System Pilot Test."7 The siren system as analyzed j consists of 33 FS 1000 sirens rated at 125 dBC. 5
4 Routine siren testing proce'dures and operability. for '
- the Brunswick Steam Electric Plant siren- warning' l system have been reviewed and determined to satisfy - FEMA-43 operability requirements.
l Anechoic-chamber measured octave band siren sound. .j pressure spectrums (supplied by the siren manufac- { ' turer) were used to verify the rated output of 'the FS. 1000. sirens to be 125 dBC at 100.ft. .
'I The evaluation of the siren system design calculation procedure was conducted by:
. Verifying the licensee's computer modeling re-sults as presented in Attachment 9 to the Design ]
Report against the 10 dB loss per. distance doubl-ed attenuation rate in the absence of special conditions; and
. Ascertaining the adequacy of the licensee's ]
computer-predictive coverage in the presence of j site-specific topographical and meteorological l conditions through comparisons of the licensee's l i results with Outdoor Sound Propagation Model j
.( OSPM)7 results for specific sirens. .
l Attachment'9 to the Design Report states that the Brunswick Steam Electric Plant's siren warning system design takes into consideration meteorological and topographical factor:a and land surf ace conditions that affect the propagation of sound generated by each siren. The computer model utilized to design. ' the system, as described, calculates sound attenu-ation with distance due to hemispherical wave diver-gencer atmospheric absorption, absorption due to 6 . i
vegetation and other types of ground cover, propa-gation of sound over water, propagation of sound through urban and suburban areas, upwind sound shadow, and topographical barriers. The Design Report, however, does not provide any discussion of the assumptions used, the methodologies employed, or how the final sound contours were calculated (in particular, the 55 dBC and 50 dBC contours as shown on Map 2 of the Design Report) . The Design Report presented in Table I some limited l and unqualified results of field tests conducted at j l various power plant sites which were used to sub-stantiate the validity of the computer predictions, i Since the field measurements were made in A-weighted sound pressure levels (dBA) and not in dBC or in the one-third octave band containing the dominant tones l cf the sirens (as required by FEMA-43) , and since unspecified adjustments were made for dBA to dBC conversions and for wind, temperature, and relative humidity corrections, these non-site-specific field verification results could not be used in this eval-untion. Therefore, this qcaality assurance verifica-tion review is based on an evaluation of the pre-sented predictions of acoustical coverage (the siren contour map [ Map 2]) and seeks to ascertain whether the computer model used in the design adequately accounts for site-specific terrain and weather conditions and whether the siren warning system does indeed meet FEMA-43 acceptance criteria. Eleven FS 1000 sirens, representative of the site-l specific topographical conditions within the Bruns-wick Steam Electric Plant EPZ, were selected for this 1 1 7 1
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quality assurance verification review. These 11
?
sirens. also cover the relatively more populated areas withinLthe EPs. The ' locations' of four of the' ll - selected sirens are depicted on the U.S. Geological Survey's Carolina Beach quadrangle map (see Figure 1-of this report). Surf ace weather parameters, representative of site prevailing' summer daytime conditions, were used in the OSPM calculations. Appendix A of this report contains OSPM topographical profile charts, OSPM i topographical input, OSPM siren sound pressure level input, OSPM meteorological input, and OSPM siren sound pressure level output for each of the 11'indiv-idual OSPM siren runs. To compare the acoustical coverage estimates of OSPM with the data presented in the Design Report, each analyzed siren azimuth in the Design Report was classified'into one of two categories according' to terrain profiles: unobstructed paths over land and unobstructed paths over water. Due to the relatively ! flat terrain within the EPs, other terrain categories normally used in these analyses were not necessary. l Bowever, one additional category, ' upwind, was used to analyze the effect of acoustic shadows. on the siren effective propagation range. This weather category i was considered because of the existence of prevailing j wind directions at the site. , Regressions of dBC versus the logarithm of distance were performed for the PS 1000 siren data for the terrain categories and for those upwind azimuths along which acoustic shadows can be expected. These regressions were computed utilizing both OSPM and 8
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levels over unobstructed land and water and in upwind l directions are within 2 dBC of one another. One would expect sound to propagate much farther over water than over land. Also, the acoustic shadowing effect in the southwest directions of all sirens is clearly not reflected by the licensee's computer model even though a prevailing wind of 6.8 mph is supposedly used as Design Report model meteorological data input. This inconsistency with the claimed con- l sideration of site weather effects can be clearly seen in the almost symmetrical predicted 60 dBC and 70 dBC contours presented in Appendix 1B of the l l Design Report. The resulting effect of these inconsistencies is fortunately masked in the wide margin of conservatism of the attenuation rate used in the design. l Figures 3 through 5 depict the regressions of OSPM predictions and the Design Report's predictions, along with the 10 dB loss per distance doubled attenuation rate. Some general comparative obser-vations can be made. First, the 60 dBC regressed ranges based en the Design Report's data for the sirens are very conservative relative to OSPM pre-dictions over flat terrains. This is expected since both the 10 dB loss per distance doubled attenuation rate and the Design Report's effective 13 dB loss per distance doubled attenuation rate (beyond 1,000 ft) are conservative in the absence of special conditions for distances out to 8,000 ft. Second, the OSPM results show varying attenuation rates of f rom 7 dB loss per distance doubled over water to 17 dB loss per distance doubled in upwind directions, while the 15
l Design Report's results indicate an almost constant 13 dB loss per distance doubled attenuation rate for l all site terrain and weather-dependent conditions. l l Finally, it is noted that the average 60 dBC range i f rom the Design Report's predictions is more conserv- l ative than the OSPM predictions over the terrain categories. However, the Design Report's results are more liberal for sirens in acoustic shadows. The above assessment is supported by comparison of individual siren coverages in terms of the area with-in the 70 and 60 dBC contours. Area integrations were performed on the 11 individual OSPM siren pre-dictions. The average area with 60 dBC or higher was 6.216 square miles with a standard deviation of 0.08, and 5.06 square miles with a standard deviation of 0.13 for 70 dBC or higher. The resulting average effective ranges were estimated to be 7,400 cnd 6,700 ft, respectively, to 60 and 70 dBC. Area computa-tions using the Design Report's data resulted in an
]
average area coverage that corresponds to effective i ranges of 6,916 and 4,874 ft to 60 and 70 dBC, re- l spectively. The OSPM results for the four sirens in the U.S. Geo-logical Survey's Carolina Beach quadrangle map and the two sirens in the neighboring U.S. Geological Survey's Kure Beach quandrangle map were combined to generate representative contours (see Figure 1 of this report) . A surface interpolation and contouring l program utilizing the output results of the six sirens was used to generate the sound pressure level ) I contour overlay. These contours account for site-i 16 l 1
i l 1 1 specific topographical and meteorological effects and the rotating characteristics of the FS 1000 sirens. 1 Comparison of the OSPM-predicted 60 dBC contours with the contours in Map 2 of the Design Report indicates that the coverage of these sirens is conservative. I The Design Report indicates that the siren system as j I designed contains populated areas where the siren sound pressure levels may be below 60 dBC. Indeed, I the 50 dBC siren acoustic coverage map (see Map 2 of the Design Report) depicts those fringe areas that are outside of the presented 60 dBC coverage. The l Design Report contends that since the ambient noise levels are below 40 dBC, the siren sound levels in these areas (assumed to be 50 dBC or higher) would provide a 10 dB dissonant level for these areas, and therefore, the system would meet the requireinents of NURDG-0654/ FEMA-REP-1, Rev. 1. The Design Report presented ambient measurements taken at unspecified selected measurement locations for a period of 1 to 3 minutes to demonstrate that the design would provide the 10 dB dissonant level as required in NUREG-0654/ FEMA-REP-1, Rev. 1. Ambient data taken over such a short sampling period and without consideration of land-use conditions (the large transient vacation population and recreational use in particular) cannot be accepted as being statis-tically valid to represent the actual ambient noise conditions. More importantly, however, based on the conservatism of the Design Report's predictive re-sults, it is likely, as indicated by the OSPM siren coverage contour on the Carolina Beach quadrangle map (see Figure 1 of this report), that some of these areas may experience siren sound pressure levels of 60 dBC or greater. 17
r - I As a result, FEMA recommended-that the licensee' -
'should (1) , ascertain thattthose geographical areas.
below 60 dBC coverage, as depicted on' Map 2 'of the Design Report, were either. unpopulated (taking into ! a'ccount the very large transient ' vacation population) or were exposed'to actual siren sound pressure. levels: of greater that 60 dBC; (2) establish-appropriate;
~
ambient noise levels in.those geographical areas-through a statistically . valid sampling plan; or (3)- provide another primary alerting' mechanism (such as route alerting) in those geographical areas. l The licensee responded to FEMA's request by letters dated September 9,1985, and August 14, 1986.8,9 These letters stated that Carolina Power and Light Company personnel had vicited each of the areas identified as being outside of predicted.60 dBC j coverage to determine if resident housing existed. On the basis of these visits, 5 areas were determined
-]
to contain dwellings or commercial buildings and. i therefore did require 60 dBC coverage. The. licensee . took readings of actual sound pressure levels in each of these regions. All readings were stated to be above 60 dBC. l
)
In conclusion, the Brunswick Steam Electric Plant siren alerting system is found to meet the specific design requirements of FEMA-43.
- 2. Snecial Alerting (E.6.2.4, FEMA-43)
The Design Report specifies a number of special alert-ing methods that are employed within. the Brunswick ' Steam Electric Plant EPZ to supplement the siren warning system. Since approximately 50% of the EPZ 18
is comprised of water areas, procedures have been established for alerting the boaters in these waters. Specifically, officials at the plant Control Room notify the United States Coast Guard (USCG) Group Fort Macon Communciations Center in Moorehead City. The USCG will then warn and control marine traffic in the threatened area, using resources best suited to existing conditions and requirements.10 The , Enforcement Division of the North Carolina Wildlife Resources Commission and the Marine Fisheries Divi-sion of the North Carolina Department of Natural Resources and Community Development are prepared to provide Scats to assist in warning marine vessels. I Aircraft provided by the North Carolina Wildlife Resources Commission may also be used in this alerting process, Supplemental back-up alerting of the land-based popu-lation within the Brunswick Steam Electric Plant EPZ is conducted primarily by means of route alerting. Emergency vehicles equipped with sirens, PA systems, and horns and operated by emergency service organi-zations and law enforcement agencies of Brunswick and New Hanover counties are dispatched by the county sheriffs to patrol predesignated areas within the EPZ. Additionally, the Bald Head Island resort has security personnel who maintain a 24-hour communica-tions center that is designed to receive priority alert messages f rom the county warning point. In addition, PA systems are utilized at the Bald Head Island resort. i 19 l l
III. FINDINGS FOR EVALUATION CRITERION N.1 on September 18, 1985, the physical means (sirens) used to alert the population within the Brunswick Steam Electric Plant EPZ were demonstrated to satisfy the alert and notification aspects of 44 CPR 350.9(a) . This demonstra-tion was conducted by using the methods specified in Section N.1. (a,b) .2 of FEMA-43.6 The results indicate that this portion of the alert and notification system evaluation conforms to FEMA-43 and NOREG-0654/ FEMA-REP-1, Rev. 1.5 The September 18, 1985, demonstration of the Brunswick l Steam Electric Plant alerting system consisted of a double activation of all sirens and a subsequent telephone survey I to estimate the proportion of EPZ households actually alert-ed. The first siren activation was initiated at approxi-mately 6:15 p.m. (Eastern Daylight Time) and continued for 3 minutes. The sirens were activated a second time begin-ning at approximately 6:25 p.m. and ending at 6:28 p.m. It l was reported that siren number 21 failed to activate, and niren numbers 8, 9,13,15,19, and 27 did not operate as planned (e.g. , the siren only operated during one activa-tion or failed to rotate during one or both activations) . All other sirens were reported to operate properly during both activations. The telephone survey of EPZ residences began at approxi-mately 6:28 p.m. and was completed within 48 minutes. This survey was conducted by 39 telephone interviewers, each with a separate WATS line and computer terminal. The universe of households to be surveyed was determined by establishing a 10-mile-radius circle around the latitude and longitude of the plant. The sample incorporated a 20
sorted master list of approximately 2,500 households (addresses and telephone numbers) within the established boundary. A sufficient number of replicated subsamples was developed < f rom the overall sample to ensure that the required number of telephone calls would be made, i.e. , to establish the proportion of households alerted to within a 5% precision at a 95% confidence level. Appendix B of this report describes the method used for sizing the sample to achieve i I this result. l The questionnaire used for the telephone survey is included as Figure 6 of this report. As part of the telephone survey, a total of 296 households within the Brunswick Steam Electric Plant EPZ was contact-ed, and the responses were collected in an automated data base. Of this group, 25 respondents stated that they were not alerted. However, before running the final tabula-l l tions, addresses of all households interviewed were checked on a street map to validate their locations. Of the 296 addresses, three were outside the EPZ. Therefore, data were tabulated on the 293 respondent households that were located within the EPZ. Respondents at 26 of these houst-holds had been away from home at the time of the alerting system demonstration and, therefore, were not included in the alerting analysis. Of the remaining 267 households, 93.3% (249) indicated that they had been alerted during the demonstration. The location of each of the 18 households l where individuals were home during the demonstration but were not alerted was checked to determine whether the household was in the sole or primary coverage area of one of' the sirens that failed to operate properly. None of these households could be verified as being in the sole or 21 l
1 FIGURE 6 799Q 11 ton Research Services Study #9087 2nor, Pennsylvania September 18, 1985 OMB #3067-0103 (FEMA 9/85) FEMA NUCLEAR POWER PLANT ALERTING AND NOTIFICATION SYSTEM: PUBLIC TELEPHONE SURVEY i Brunswick Nuclear Plant Time Began AM PM Interview # (1-5) 1 Time Ended AM PM Zip Code (6-10) Sample Type (11) RECORD BEFORE DIALING -Telephone # ) (Area Code) (Exchange) (Number) (12-21) { ERODUCTION: j Hello, my name is _. We're conducting a survey for the feralEmergencyManagementAgencyoftheUnitedStatesGovernmentfromChiltonResearch Tvices about the Brunswick plant emergency warning sirens. Your answers are voluntary and will be kept strictly confidential. First of all, is this (REPEAT # DIALED)? Yes 1 TERMINATE AND DIAL AGAIN No 2 As you may or may not know, there was a test of the public warning / alert notification system for the Brunswick Nuclear Plant. Did you, or any other member of this i household, hear the siren from this test today? 22-SKIP TO Q. 4 Yes 1 SKIP TO Q. 4A No 2 Heard from CONTINUE another 3 source ASK IF ANY OTHER HOUSEHOLD Don't Know 8 MEMBER IS MORE KNOWLEDGEABLE l 22
FIGURE 6 (CONTINUED) What did you or your household hear? (D0 NOT READ. CIRCLE ALL THAT APPLY) (23-25) A siren 1 SKIP TO Neighbor told me 2 l Q4 other family member told me 3 Other (SPECIFY) 4 I l CONTINUE Don't Know Y
> Did you hear . . . (READ LIST. CIRCLE ALL THAT APPLY)
(30-32) A Siren 1 From Another Family Member 2 From a Neighbor 3 Or by means of something else 4 (SPECIrt) i DO NOT READ Don't Know Y (IF " HEARD EMERGENCY SIGNAL" ASK Q. 4 BELOW; OTHERWISE SKIP TO Q. 4A) Were you at home or away from home when you heard the siren signal? 37-E ** 1 SKIP TO Q. 5 Away From Home 2 I l I i 23 l 1 l 1 l
FIGURE 6 (CONTINUED) 1 (IF "DID NOT HEAR EMERGENCY SIGNAL") Were you at home between 6:15 and 6:30 this evening? 38-Yes 1 No 2 Don't Know Y Has your household ever received information which tells.you what' to do in the event of a "real" emergency at the Brunswick Nuclear Plant. This green emergency planning brochure titled " Emergency Plan.for the Brunswick Nulcear Plant" was mailed to you in December, 1984. Do your remember receiving this booklet? - 41 - Ye s - 1 No 2 Don' t Know Y Because we need to determine whether or not you live within the 10 mile Emergency Planning Zone of the Brunswick Nuclear Plant, would you' please give .ma this address? (PAUSE FOR ANSWER) ADDRESS: and the nearest intersection (or cross street) to this house. Also, what community is this? On behalf of Chilton Research Services and the Federal Emergency Management Agency, I would like to thank you f or your time and f or giving us this valuable information.. 24
I primary coverage area of' siren number 21, which failed to-operate properly. Using.the estimated number of households. _ within the EPE (4,441 from reference 2) in the confidence ) interval expression in Appendix B, an estimated 95% confidence interval that ranges from 89.7% to 95.6% is yielded for the proportion of the total EPZ population. alerted. In other words, at'the 954 confidence level, . between 89.7% and 95.6% of the households within the - Brunswick Steam Electric Plant EPZ would have stated that! . they were alerted by the siren system. y The sample of 293 households was also used to estimate. the. 1 proportion of households'within'the EPE that would have stated they received information'about what to do in a real emergency at the-Brunswick Steam Electric Plant. Of these 293 households, 64.2% (188) responded that they had re-ceived the information, 31.7% (93) responded that they had not received the information, and 4.1% (12) did not know whether they had received the information. Using the approach discussed previously, the following estimates for the entire EPZ population resulted (at the 95% confidence interval) :
. Between 58.7% and 69.3% of the households would have reported receiving the information;-
. Between 26.8% and 37.1% of the households ~ would have -
responded that they had not received the information; - and l . Between 2.4% and 6.9% of the households would not I have known whether they had received the information. 1 In conclusion, no areas of the Brunswick Steam Electric Plant siren system were identified as needing enhancements. 25 _ _ _ _ _ _ - _ _ _ _ _ - _ _ _ _ _ _ . l_ . _ _ _ . _ _ _ _ _ . _ _ _ - - _ - _ _ _ _
I i i IV. FINDINGS POR EVALUATION CRITERIA E.5, F.1, N.2, N.3, AND N.5 L Those aspects of the alert and notification system address-l ing evaluation criteria E.5, F.1, N.2, N.3, and N.5 of NUREG-0654/PEMA-REP-1, Rev.1, have been reviewed by FEMA and found to be adequate to provide resonable assurance that appropriate protective measures can be taken off site in the event of a radiological emergency. This conclusion is documented in letters to the Honorable James B. Hunt, Jr. , Governor of North Carolina, signed by Lee M. Thomas, Associate Director, State and Local Programs and Support, FEMA, dated March 17, 1982;3 and William J. Dircks, Executive Director for Operations, U.S. Nuclear Regulatory Commission, signed by Lee M. Thomas, Associate Director, I State and Local Programs and Support, PEMA, dated March 17, 1982.4 In these letters, Ehe Brunswick Steam Electric Plant received FEMA approval under 44 CFR' 350, conditioned on an ultimate approval and verification of the public . 1 alert and notification system as called for in NUREG-0654/ FEMA-REP-1, Rev. 1. 1 4 P 26 i I
REFERENCE LIST
- 1. Acoustic Technology Inc. 1984. " Brunswick Steam Electric Plant- alert / notification system report. " Prepared for Carolina Power and Light Company. August 1984.
l l
- 2. Carolina Power and Light Company. " Brunswick Steam Elec--
tric. Plant Units 1 and 2, updated final safety analysis report." July 20,1984.
- 3. Federal Emergency Management Agency. 1982. Letter to the Honorable James B. Hunt, Jr. , Governor of North Carolina, signed-by Lee M. Thomas, Associate Director,' State and Local Programs and Support. March 17, 1982.
- 4. Federal Emergency Management' Agency. 1982. Letter to William J. Dircks, Executive Director for' Operations,.U.S.
Nuclear Regulatory Commission,. signed - by- Lee M. Thomas, ]ij Associate Director,' State and Local Programs and Support. March 17, 1982.
- 5. Nuclear Regulatory Commission and Federal Emergency Management Agency. 1980. " Criteria for preparation and evaluation of radiological emergency response plans and
. preparedness in support of nuclear power plants."-
NUREG-0654/PEMA-REP-1. Revision 1. November 1980. ,
- 6. Federal Emergency Management Agency. 1983. " Standard l guide for the evaluation of alert and notification systems for nuclear power plants." FEMA-43. September 1983.
- 7. International Energy Associates Limited. 1983. " Analysis ;
of siren system pilot test. " IEAL-333. November 2, 1983. i
- 8. Carolina Power and Light Company. 1985. Letter to Glenn C. Woodard, Jr. , Chief, Natural and Technological Hazards Division, Fedtial Emergency Management Agency, signed by B. J. Purr, Vice President, Operations Training and Technical Services. September 9,1985. j
- 9. Carolina Power and Light Company. 1986. Letter to Glenn l L C. Woodard, Jr. , Federal Emergency Management Agency, j signed by B. J. Purr, vice President, Operations Training Depar tment. August 14, 1986. ;
1 l 10. Federal Energency Management Agency. 1987. Memorandum for: Richltrd W. Krimm, Assistant Associate Director, Office of Natural and Technological Hazards Programs, Federal Emergency Management Agency, from: Glenn C. Woodard, Chief, Natural and Technological Hazards Division, Region IV. June 12,1987. l
- 27 i
. i I
.i APPENDIX A Topographical Profile Charts OSPM Topographical Input Data OSPM Siren Sound Pressure Level Input Data OSPM Meteorological Input Data OSPM Siren Sound Pressure Level Output Data i
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CAROLINA PONER & LISHT COMPANY BRUNSNICK ANS SIREN 901-FS1000 SOURCE-RECEIVER TOP 06RAPHICAL INPUTS ALL BEARINGS ARE NITH RESPECT TO THE NORTH NEASURING CLOCKNISE l BRID SROUND FOLIA 6E INTERVENING DISTANCE TO HI6 HEST HEIGHT OF-POINT DISTANCE BEARING HEIGHT TYPE PENETRAli3 OBSTRUCTIONS DESTRUCTION FROM SOURCE OBSTRUCTION 1 500. 90.00 5.00 HARD 0. NO 0. O. ! 2 1000. 90.00 10.00 NARD 0. NO 0. O. 3 2000. 90.00 5.00 HARD 0. NO 0, 0. 4 4000. 90.00 5.00 HARD 0. NO 0. O. - 5 6000, 90.00 5.00 HARD 0. NO 0. O. o 8000. 90.00 5.00 HARD 0. NO 0. O. 7 12000. 90.00 5.00 HARD 0. NO 0. O. 8 500. 45.00 5.00 HARD 0. NO 0. D. 9 1000. 45.00 5.00 HARD 0. NO 0. O. 10 2000. 45.00 10.00 HARD 0. NO 0. O. l !! 4000. 45.00 5.00 HARD 0. NO 0. O. 12 6000. 45.00 5.00 HARD 0. NO 0, 0. 13 0000. 45.00 5.00 HARD 0. NO 0. O. 14 12000. 45.00 5.00 HARD 0. NO 0, 0. 15 500. 0.0 10.00 SOFT 0. NO 0. 0. 16 1000, 0.0 15.00 SOFT 0. NO 0. O. 17 2000. 0.0 15.00 SOFT 0. ND 0. O. a 4000. 0.0 10.00 SOFT 0. ND 0. O. 19 6000. 0.0 10.00 SOFT 0. NO 0. O. 20 8000. 0.0 5.00 SOFT 0. NO 0. 6. 21 12000. 0.0 5.00 SOFT 0. NO 0, 0. 22 500. 315.00 5.00 SDFT 0. ND 0. O. 23 1000. 315.00 10.00 SOFT 0. ND 0. D. 24 2000. 315.00 15.00 SOFT 0. NO 0. O. 25 4000. 315.00 20.00 SOFT 0. NO O. O. 26 6000. 315.00 20.00 SOFT 0. NO 0. O. . 27 0000. 315.00 10.00 SOFT 0. NO 0. D. 29 12000. 315.00 5.00 HARD 0. YES 10900. 10. 29 500. 270.00 10.00 SOFT 0. NO 0. ' 0, 30 1000. 270.00 15.00 SOFT 0. NO 0. O. 31 2000. 270.00 15.00 SOFT 0. NO 0. O, i 32 4000. 270.00 25.00 SOFT 0. NO 0. O. 33 6000. 270.00 20.00 HARD 0. NO 0. O. 34 B000. 270.00 5.00 HARD 0. YES 6500. 25. 35 12000. 270.00 5.00 HARD 0. YES 6500. 25. 34 500. 225.00 10.00 SOFT 0. NO 0. O.
l l 6 RID GROUND F0LIASE INTERVENIN6 DISTANCE TO H16 HEST HE16HT OF l POINT DISTANCE BEARING HEIGHT TYPE- PENETRATION OBSTRUCTIONS DBSTRUCT10N FROM SOURCE OBSTRUCTION 37 1000. 225.00 10.00 SOFT 0. ND 0. O. SB 2000. 225.00 10.00 SOFT 0. NO 0. O. 39 4000. 225.00 15.M SOFT 0. NO 0. O. 40 6000. 225.00 15.00 SOFT 0. NO 0. O. 41 8000. 225.00 10.00 SOFT 0. NO 0. O. 42 12000. 225.00 5.00 HARD 0. YES 10500. 10. 43 500. 180.00 10.00 SOFT 0. NO 0. O. 44 1000. 180.00 10.00 SOFT 0. NO 0. O. 45 2000. 180.00 10.00 SOFT 0. NO 0. O. 46 4000. 180.00 5.00 HARD 0. NO 0. O. 47 6000. 1E0.00 5.00 HARD 0. NO 0. O. 48 8000. 180.00 5.00 HARD 0. NO 0. O. 49 12000. 180.00 5.00 HARD 0. NO 0. O. 50 500. 135.00 5.00 SOFT 0. NO 0, 0. 51 1000. 135.00 10.00 HARD 0. ND 0. O. 52 2000. 135.00 5.00 HARD 0. NO 0, 0, 53 4000. 135.00 5.00 HARD 0. NO 0. 0. 54 6000. 135.00 5.00 HARD 0. ND 0. 0. 55 8000. 135.00 5.00 HARD 0. HD 0. O. 56 12000. 135.00 5.00 HARD 0. NO 0. O. 57 55350, 304.16 20.00 SOFT 0. YES 100, 90. 58 34598. 333.94 20.00 SOFT 0. YES 100. 90. 59 34686. 26.36 20.00 SOFT 0. YES 100. 90. 60 45803. 270.60 10.00 SOFT 0. YES 100. 90. 61 15208. 271.81 20.00 SOFT 0. YES 100. 90. 62 15407. 88.21 20.00 SOFT 0. YES 100. 90. 63 54817. 236.67 20.00 SOFT 0. YES 100. 90. ! 64 33738. 206.78 20.00 SOFT 0. YES 100. 90. 65 33829. 152.92 20.00 SOFT 0. YES 100, 90. i 1 i
1 , CAROLINA POWER & Ll6HT C0MPAWT BRUNSulCK ANS SIREN 901-FS1000 NOISE SOURCE POWER LEVEL INPUT !CDEI SOURCE DBA DBC 31.5 63 125 250 500 - 1000 2000' 4000 B000'(NZ)' I 1 S!REN BRUNS 01 161.9 163.9 0.0 0.0 0.0 0.0 163.0 154.0 153.0 .146.0 144.0 - 10= 0.0 YO= 0.0 20s 50.00 HEIGHT AB0VE 6ROUND= 40.00 l CAROLINA POWER & LI6HT COMPANY BRUNSNICK ANS SIREN 601-FS1000 > METEOROLOGICAL INPUT CONDITIONS H1= 10.06 METERS H2= 60.05 METERS NIND NIND SPEED (MPS) TEMPERATURE (C) RELATIVE BAROMETRIC IEAR SEASON MONTH DATE HOUR DIRECTION Hi H2 H1 H2 HUMIDITY- PRESSURE (MM OF N6) 1984 S B 24 12 211.0 2.5 3.0 27.4 26.7 62.0 758.0 - 1 O _ _ . _ _ _ _ _ _ - _ _ - - - . . . _ _ . . . . _ - _ _ _ ---..__-_-._.-_-_---_______-____--_______L
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1 BRID 6ROUND FDLIA6E INTERVENIN6 DISTANCE TO H16E ST HEIGHT OF POINT DISTANCE BEARIN6 HEI6HT TYPE PENETRATION OBSTRUCTIONS OBSTRUCTION FRON SOURCE OBSTRUCT!DN i 37 1000. 225.00 10.00 SOFT 0. NO 0. O. 38 2000. 225.00 10.00 SOFT 0. NO 0. O.- 39 4000. 225.00 10.00 SOFT 0. NO 0. O. - 40 6000. 225.00 5.00 HARD 0. NO - 0. O. 41 8000. 225.00 5.00 HARD 0. NO 0. O. 42 !?000. 225.00 5.00 HARD 0. NO 'O. O. 43 500. 100.00 10.00 SOFT 0. NO 0. O. 44 1000. 180.00 5.00 SOFT 0. ND 0. O. 45 2000. 180.00 5.00 HARD 0. NO 0. O. . 46 4000. 100.00 5.00 HARD 0. NO 0. O. 47 6000. 180.00 5.00 HARD 0. NO . O. D. 48 B000. 190.00 5.00 HARD. 0. NO 0. O. 49 12000. 100.00 5.00 HARD 0. NO 0. 0.. , 50 500. 135,00 5.00 HARD 0. NO 0. 0.- ! 51 1000. 135.00 5.00 HARD 0. NO . O. O. .; l 52 2000. 135.00 5.00 HARD 0. NO 0. O. i 93 4000. 135.00 5.00' HARD 0. NO 0. O. 54 6000. 135.00 5.00 HARD 0. NO 0. O. 55 0000. 135.00 5.00 HARD 0. NO 0. 0.' 54 12000. 135.00 5.00 NARD 0. ND 0. O. , 57 61872. 317.75 20.00 SOFT 0. YES 100. 90. 58 47102. 346.49 20.00 SOFT 0. YES 100. 90. . , 59 49818. 23.17 20.00 SOFT 0. YES 100. 90. 60 44290. 290.07 20.00 SOFT 0. YES 100. 90.
- 6) 18763. 324.!! 20.00 SC7T 0. YES 100. 90. .
62 24803. 52.21 20.00 SOFT 0. YES 100. 90. 63 44359. 249.69 20.00 SOFT 0. YES 100. 90. 1 64 18925. 215.54 20.00 SDFT 0. YES 100. 90. 65 24926. 128.16 20.00 30FT 0. YES 100. 90.' l
i l CAROLINA POWER & LIGHT C; ' ANY BRUNSWICK ANS SIREN 903-FbA000 l NOISE SOURCE POWER LEVEL INPUT i
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i EDEI SOURCE DBA DBC 31.5 63 125 250 500 1000 2000 4000 B000 (HI) ) l l 1 SIREN BRUNS 03 161.9 163.9 0.0 0.0 0.0 0.0 163.0 154.0 153.0 146.0 144.0 10= 0.0 YO= 0.0 Z0= 50.00 HEIGHT ABOVE GROUND = 40.00 l l l i CAROLINA POWER & LIGHT COMPANY BRUNSWICK ANS SIREN 803-FS1000 METEOROLOGICAL INPUT CONDITIONS Hl= 10.06 METERS H2= 60.05 METERS WIND WIND SPEED (MPS) TEMPERATURE (C) RELATIVE BAROMETRIC YEAR SEASON MONTH DATE HOUR DIRECTION Hi H2 Hi H2 HUMIDITY PRESSURE (MM OF HB) 8984 S B 24 12 211.0 2.5 3.0 27.4 26.7 62.0 758.0
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GROUND FDLI' AGE ' INTERVENING DISTANCE TO HIGHEST HEIGHT OF POINT DISTANCE BEARIN6 HEIGHT TYPE PENETRATION DBSTRUCT10NS DESTRUCTION FROM SOURCE OBSTRUCTION. 1 500. 90.00 5.00 HARD 0. NO 0. D. ; 2 1000. 90.00 5.00 HARD 0. NO 0. O. 1 3 2000. 90.00. 5.00 HARD 0. NO 0. O. . 4 4000. 90.00 5.00 MRD 0. NO 0. O. 5 6000. 90.00 5.00 NARD 0. NO 0. O.
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12 6000. 45.00 5.00 .HARD 0. NO 0. 0. 13 8000. 45.00 5.00 HARD 0. ND 0. O. 14 12000. 45.00 5.00 HARD '0. NO 0, 0. l 15 500. 0.0 10.00 SDFT 0.' NO 0. O. l 16 1000. 0.0 15.00 SOFT 0. NO 0. O. 17 2000. 0. 0 15.00 SOFT 0. ND 0. O. 18 4000. 0.0 15.00 SOFT 0. ND 0. D. 10 6000. 0.0 10.00 SOFT 0. ND 0. O. 20 8000. 0.0 10.00 SOFT 0. ND 0. O. 21 12000, 0.0 5.00 SOFT 0. ND 0. D. 22 500. 315.00 5.00 SOFT 0. NO 0. O. 33 1000. 315.00 5.00 SOFT 0. ND 0. 0, 24 2000. 315.00 5.00 HARD 0. NO 0. O. 25 4000. 315.00 5.00 HARD 0. ND 0. D. 36 6000. 315.00 5.00 HARD 0. NO 0.~ 0. 27 0000. 315.00 0.00 HARD 0. NO 0. D. 2B 12000, 315.00 5.00 HARD 0. ND 0. D. 29 500. 270.00 5.00 SOFT 0. NO 0. O. 30 1000. 270.00 5.00 SOFT 0. E 0. . O. 31 2000. 270.00 5.00 SDFT 0. ND 0. O. 32 4000. 270.00 5.00 SOFT 0. ND 0. O. 33 6000. 270.00 5.00 HARD 0. NO 0. D. 34 0000. 270.00 5.00 HARD 0. NO . O. 0, l 33 12000. 270.00 5.00 HARD 0. ND 0. D. 36 500. 225.00 5.00 SOFT 0. NO 0. O. l l
6 RID ' 6ROUND FOLIAGE INTERVENING DISTANCE TO H16 HEST HEIGHT OF POINT DISTANCE BEARING HEIGHT TYPE PENETRATION OBSTRUCTIONS OBSTRUCTION FROM SOURCE OBSTRUCTION I 37 1000. 225.00 5.00 SOFT 0. NO 0. O. 38 2000. 225.00 5.00 SOFT 0. NO 0.' O. 39 4000. 225.00 5.00 SOFT 0. NO 0. 6. 40 6000. 225.00 5.00 SOFT 0. NO 0, 0. 41 0000. 225.00 5.00 HARD 0. NO 0. O. 42 12000. 225.00 4.00 SOFT 0. NO 0. O. 43 500. 190.00 10.00 HARD 0. NO 0. O. 44 1000. 190.00 5.00 HARD 0. NO 0. 9. 45 2000. 180.00 5.00 HARD 0. NO 0.' O. 46 4000. 180.00 5.00 HARD 0. NO 0. O. 47 6000. 180.00 5.00 HARD 0. NO 0. O. 48 B000. 180.00 5.00 HARD 0. NO 0. O. 49 12000. 180.00 5.00 HARD 0. NO 0. O. 50 500. 135.00 5.00 HARD 0. NO 0. O. 51 1000. 135.00 5.00 HARD 0. NO 0, 0. 52 2000. 135.00 5.00 HARD 0. NO 0. O. 53 4000. 135.00 5.00 HARD 0. NO 0. D. 54 6000. 135.00 5.00 HARD 0. NO 0. O. 55 8000. 135.00 5.00 HARD 0. NO 0. 0, 56 12000. 135.00 5.00 HARD 0. NO 0. O. 57 63750. 321.37 20.00 SOFT 0. YES 100. 90. 58 50643. 349.53 20.00 SOFT 0. YES 100. 90. 59 - 54203. 23.25 20.00 SOFT 0. YES 100. 90. 60 44169. 295.75 20.00 SOFT 0. YES 100. 90. 61 21290. 334.40 20.00 SOFT 0. YES 100, 90. 62 28751. 48.10 20.00 SOFT 0. YES 100, 90. 63 41400. 254.02 20.00 SOFT 0. YES 100. 90. 64 14649. 218.90 20.00 SOFT 0. YES 100. 90. 65 24247. !!B.04 20.00 SDFT 0. YES 100. 90. I e
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- 1 SIREN BRUNS 04- 161.9 163.9 0.0 0.0 0.0 0.0 163.0 -154.0 153.0 146.0- 144.0 10= 0.0 YO= 0.0 20= 50.00. - HEIGHT AB0VE SROUND= 40.00 CAROLINA POWER & Ll6HT COMPANY BRUNSNICK ANS SIREN #04-FS1000 METEOROLOGICAL INPUT CONDITIONS Hl= 10.06 METERS H2= 60.05 METERS.
NIND N!ND SPEED (MPS) TEMPERATURE (C) RELATIVE BAR0 METRIC TEAR SEASDN MONTH DATE HOUR DIRECTION Hi H2 H1 H2 HUMIDITY PRESSURE (MM DF H6) 3964 S B 24 12 211.0 2.5 3.0 27.4 26.7 62.0 758.0 l l l I l l l 6 l L l.
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-25 4000. 180.00 20.00 SOFT 0. NO 0. 0. 1 26 6000. 180.00 5.00 SOFT 0. YES 4550, 20.
27 8000. 180.00 5.00 HARD 0. ND 0, 0. 28 12000. 180.00 5.00 HARD 0. NO 0. O. f u_________._____ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . _ . _ _ . . _
.e CAROLINA PONER AND LIGHT COMPANY L BRUNSNICK ANS SIREN 910-FS1000 NOISE SOURCE PONER LEVEL INPUT
- INDEI SOURCE DBA DBC 31.5 63 125- 250 500 .1000 2000 4000 : 'B000 (NZ).
1 SIREN BRUNS 10 161.9- 163.9 0.0 0.0 0.0 0.0 163.0 154.0 153.0 '146.0 144.0 10= 0.0 YO= 0.0 20= 62.00 HE!6HT ABOVE GROUND 40.00 f CAROLINA PONER & LIGHT COMPANY BRUNSNICK ANS SIREN tio-FS1000 hETEOROLD61 CAL INPUT CONDIT10NS Hl= 10.06 METERS H2= 60.05 METERS NIND NIND SPEED (MPS) TEMPERATURE (C) RELATIVE BAROMETRIC YEAR SEASON MONTH DATE HOUR DIRECTION Hi H2 Hl. H2 HUMIDITY PRESSURE (MM OF H6) 1984 S 8 24 12 211.0 2.5 3.0 27.4 26.7 62.0 758.0 l 6 w___.__m_.__m .u._______. m - . - _ . _______-_.___m_ . _ - - _ _ _ _ _ _ . _ . _
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CAROLINA PONER & Ll6HT CONPANY BRUNSNICK ANS SIREN I!2-FS1000 SOURCE-RECEIVER TOP 06RAPHICAL INPUTS ALL BEARINGS ARE NITH RESPECT TO THE NORTH NEASURIN6 CLOCKNISE l l 6 RID 6ROUND FDL! AGE INTERVENING DISTANCE TO H16 HEST HE!6HT OF l POINT DISTANCE BEARIN6 HEIGHT TYPE PENETRATION OBSTRUCTIONS OBSTRUCTION FROM SOURCE DBSTRUCT!DN 1 500. 90.00 19.00 SOFT 0. NO 0. O. 2 1000.- 90.00 18.00 SOFT 0. NO 0. O. 3 2000. 90.00 18.00 SOFT 0. NO ' O. O. 4 4000. 90.00 8.00 HARD 0. NO 0. O. 5 6000. 90.00 15.00 SDFT 0. NO 0. ' O. 6 8000, 90.00 23.00 SOFT 0. NO 0. O. 7 12000. 90.00 21.00 SOFT 0. NO 0. O. B 500. 0.0 16.00 HARD 0. NO 0. O. 9 1000. 0.0 20.00 HARD 0. . NO 0. O. c 10 2000. 0.0 25.00 HARD 0. NO 0. O. l 11 4000. 0.0 30.00 SOFT 0. NO 0. O. 12 6000. 0.0 35.00 SOFT 0. NO 0. ' O. 13 8000. 0.0 42.00 HARD 0. NO 0. O. 14 12000. 0.0 42.00 HARD 0. NO 0. 0.' 15 500, 270.00 21.00 SOFT 0. NO 0. O. 16 1000. 270.00 21.00 SOFT 0. ND 0. 6. 17 2000. 270.00 21.00 SOFT 0. NO 0. - 0. I IB 4000. 270.00 25.00 SOFT 0. NO 0, 0. 19 6000. 270.00 25.00 SOFT 0. NO 0. O. 20 8000. 270.00 18.00 SOFT 0. YES 7000. 20. I 21 12000. 270.00 18.00 SOFT 0. YES !!B00. 20. ! 22 500. 190.00 15.00 SOFT 0. NO 0. O. 23 1000. 180.00 12.00 HARD 0. NO 0. O. i 24 2000. 180.00 12.00 HARD 0. NO 0. O. l 25 4000. 180.00 15.00 SOFT 0. NO 0. O. 26 6000. 180.00 5.00 SOFT 0. NO 0. O. ; 27 0000. 180.00 5.00 HARD 0. NO 0. 0. 28 12000. 100.00 12.00 SOFT 0. NO 0. O. l' __.m. - _- ._._--.m __-
CAROLINA POWER & Ll6HT COMPANY BRUNSWICK ANS S!REN ll2-FS1000 NOISE SOURCE POWER LEVEL INPUT ]NDEI SOURCE DBA DBC 31.5 63 425 . 250 500 1000 2000 4000 8000 (HZ)- 1 SIREN BRUNS 12 161.9 163.9 0.0 0.0 0.0 0.0 163.0 154.0 153.0 146.0 144.0 10= 0.0 YO= 0.0 Z0= 58.00 HEIGHT ABOVE GROUND = 40.00 l
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' 15 500. 270.00 35.00 SOFT 0. ND 0. O.
16 1000. 270.00 35.00 SOFT 0. NO 0. O. 17 2000. 270.00 40.00 SOFT 0. ND 0. O. 18 4000. 270.00 40.00 SOFT 0. ND 0. O. 19 6000. 270.00 35.00 HARD 0. NO 0.' O. 20 8000. 270.00 35.00 SOFT 0. NO 0. O. 21 12000. 270.00 35.00 SOFT 0. NO 0. O. ! 22 500. 100.00 35.00 SOFT 0. NO 0. O. 23 1000. 190.00 35.00 SOFT 0. NO 0. O. 24 2000. 180.00 35.00 HARD 0. NO 0. O. 25 4000. 180.00 30.00 SOFT 0. YES 3700. 40, 26 6000. 180.00 45.00 SOFT 0. NO 0, 0. 27 8000. 100.00 50.00 HARD 0. NO 0. O. 28 12000. 180.00 50.00 SOFT 0. NO 0. 0.
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i CARDI.1NA PONER & LISHT COMPANY BRUNSWICK ANS SIREN 913-FS1000 NOISE SOURCE POWER LEVEL INPUT INDEI SOURCE DBA DBC 31.5 63 125 '250 500 1000 2000 4000' B000 (HZ) i SIREN BRUNS 13 161.9 163.9 0.0 0.0 0. 0 ' O.0 .163.0 154.0 153.0 146.0 144.0
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l CAROLINA PONER & LISHT COMPANY BRUNSWICK ANS SIREN ll3-FS1000 METEOR 0LDSICAL INPUT CONDITIONS I Hl= 10.06 METERS H2= - 60.05 METERS , WIND WIND SPEED (MPS) TEMPERATURE (C) RELATIVE BAROMETRIC ! YEAR SEAEON MONTH DATE HOUR DIRECTION. Hi H2 Hi H2 : HUMIDITY PRESSURE (Mfl DF HG) 1984 S B 24 12 211.0 2.5 3.0 27.4 26.7 62.0 758.0 l
CAROLINA POWER & LIGHT COMPANY BR MSNICK ANS SIREN ll3 FS1000 SIREN S0WD LEVELS IN DSC l UNDER MET CONDITION 1 l DISTANCE IN FEET AIIMUTH 500. 1000.' 2000. 4000. 6000. 8000. 120M. E !!2. 99. 90. 82. 84. 75. 64. N- 112. 99. 90. - 82. 78. 75. 64. N !!2. 98. 81. 58. 54. 45. 39. S 112. 97. 87. 54. 48. 50. 39. l l l
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CAROLINA POWER & LIGHT COMPANY BRUNSWICK ANS SIREN ll4-FS1000 NOISE SDURCE PCWE.'t LEVEL INPUT QNDEX SOURCE DBA DBC 31.5 63 125 250 500 1000 2000 4000 0000 (HI) 1 SIREN BRUNS 14 161.9 163.9 0.0 0.0 0.0 0.0 163.0 154.0 153.0 146,0 144.0 10= 0.0 YO= 0.0 20= 65.00 HE!6MT AB0VE GROUND = 40.00 i i CAROLINA PDWER & LIGHT CD.1PANY BRUNSWICK Ard SIREN ll4-FSf,000 METEOROLOGICAL INFLfi COND!T!DNS Hl= 10.06 METERS H2= 60.05 METERS WIND WIND SPEEDtMPS) TEMPERATUREIC) RELATIVE BAROMETRIC VEAR SEASON MONTH DATE HDUR DIRECTION Hi H2 Hi H2 HUMIDITY PRESSURE (MM 0F HS) 1984 S 8 24 12 2!!.0 2.5 3.0 27.4 26.7 62.0 758.0
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' GRID GROUND FDLIA6E INTERVENING DISTANCE TO HIGHEST HE!6HT OFs . POINT DISTANCE BEARING HE16HT TYPE PENETRATION OBSTRUCT 10NS OBSTRUCTION FROM SOURCE OBSTRUCTION i 1 500. 90.00 30.00 SOFT 0. ND 0. O. 2 1000. 90.00 30.00 SOFT 0. NO 0. O. ! 3 2000. 90.00 30.00 SDFT 0. NO 0. O.
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r CAROLINA POWER & LIGHT COMPANY BRUNSWICK ANS S!REN 815-FS1000 NOISE SOURCE POWER LEVEL INPUT INDEI SOURCE DBA fBC 31.5 63 125 250 500 1000 2000 4000 8000 (HZ) ; 1 SIREN BRUNS 15 161.9 163,9 0.0 0.0 0.0 0.0 163.0 154.0 153.0 146.0 144.0 10= 0.0 YO= 0.0 20= 70.00 HEIGHT AB0VE GROUND = 40.00 1 1 I l ! l CAROLINA POWER & LIGHT COMPANY l BRUNSWICK ANS SIREN 815-FS1000 METEOR 0L061 CAL INPUT CONDIT10NS , l' H1= 10.06 METERS H2= 60.05 METERS WIND WIND SPEED (MPSI TEMPERATURE (C) RELAT!VE BAROMETRIC YEAR SEASON MONTH DATE HOUR DIRECTION H1 H2 H1 H2 HUMIDITY PRESSUREtMM 0F HS) 1984 5 8 24 12 211.0 2.5 3.0 27.4 26.7 62.0 758.0 4
CAROLINA POWER & LIGHT COMPANY BRUNSWICK ANS SIREN ll5-fS1000 SIREN SOUND LEVELS IN DBC UNDER MET CONDITION 1
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CAROLINA PONER & LI6HT COMPANY , BRUNSNICK ANS S!REN 821-FS1000. SOURCE-RECEIVER TOP 06RAPHICAL INPUTS l l l ALL BEARINGS ARE NITH RESPECT TO THE NORTH NEASURIN6 CLOCKWISE . I j GRID BROUND FDLIAGE INTERVENING DISTANCE TO HIGHEST HE!6HT OF POINT DISTANCE BEARING HE!6HT TYPE PENETRATION OBSTRUCT!DNS OBSTRUCTION FROM SOURCE OBSTRUCT!0N 1 500, 90.00 2.00 SOFT 0. ND 0. O. 2 1000. 90.00 5.00 HARD 0. NO 0. . O. J 3 2000. 90.00 5.00 HARD 0. NO 0. O. 4 4000. 90.00 5.00 HARD 0. NO 0. O. 5 6000. 90.00 5.00 .HARD 0. ND 0. O. 6 8000. 90.00 15.00 SOFT 0. NO 0. O. , 7 12000. 90.00 21.00 SOFT 0. NO 0. -
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20 0000. 0.0 5.00 HARD 0. NO 0. 0.. 21 12000, 0.0 10.00 SOFT 0. ND 0, 0. 22 500. 315.00 20.00 SOFT 0. ND 0. O. 23 1000. 315.00 10.00 SOFT 0. ND 0. O. 24 2000. 315.00 20.00 SOFT 0. NO 0. O. 25 4000. 315.00 20.00 SOFT 0. NO 0. O. 26 6000. 315.00 5.00 SOFT 0. YES 4800. 20. 27 8000. 315.00 25.00 SDFT 0. ND 0. D. 28 12000. 315.00 20.00 SOFT 0. ND 0. O. 29 500. 270.00 25.00 SOFT 0. NO 0. O. 30 1000. 270.00 25.00 SOFT 0. ND 0. O. 31 2000. 270.00 20.00 SOFT 0. ND 0. O. 32 4000. 270.00 15.00 SOFT 0. NO 0. O. 33 6000. 270.00 15.00 SOFT 0. YES 5900. 20. 34 B000. 270.00 25.00 SOFT 0. NO 0. O. , 35 12000. 270.00 8.00 HARD 0. NO 0. O. 36 500, 225.00 25.00 SOFT 0. ND 0. O.
6 AID 6ROUND FOLIA 6E INTERVENING DISTANCE TO H16 HEST. HE!6HT OF POINT DISTANCE BEARING- HE!6HT TYPE PENETRATION OBSTRUCTIONS DESTRUCTION FROM SOURCE DESTRUCTION 37 1000. 225.00 15.00 SOFT 0.~ YES 900. 25. 38 2000. 225.00 10.00 SOFT 0. NO 0. O. 39 4000. 225.00 30.00 SDFT 0. NO 0. D. 40 6000.- 225.00 20.00 SOFT 0. YES 5500. 25.'
- 41. 8000, 225.00 25.00 SOFT 0. NO 0. O.
42 12000. 225.00 20.00 SOFT 0. YES !!!00, 25. 43 500. 180.00. 25.00 SOFT 0. NO 0. O. 44 1000,- 180.00 10.00 SOFT 0. NO 0. O. 43 2000. 180.00 10.00 SOFT 0. YES 1900. 15. l 46 4000. 180.00 5.00 HARD 0. YES 2000. 25. 47 6000. 180.00 6.00 HARD 0. NO ' O. O. 48 8000. 180.00- 5.00 HARD 0. NO 0. O. 49 12000. 180.00 5.00 HARD 0. NO 0. O. 50 500. 135.00 25.00 SOFT 0. NO 0.- 0. 51 1000. 135.00 5.00 HARD 0. NO 0. O. 52 2000. 135.00 5.00 HARD- 0. NO 0. O. 53 4000. 135.00 5.00 HARD 0. NO 0. O. 94 6000. 135.00 5.00 HARD 0. NO 0. 0, 59 8000. 135.00 5.00 HARD 0. NO 0. 0.' 54 12000. 135.00 5.00 HARD 0. NO 0, 0, 57 43275. 315.00 20.00 SOFT 0. YES 100, 90.
- 58 ' 30600. 0.00 20.00 SOFT 0. YES 100. 90. -
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i CAROLINA PONER & LIGHT COMPANY BRUNSNICK ANS SIREN 821-FS1000 NOISE SOURCE PONER LEVEL INPUT INDEI SOURCE DBA DBC 31.5 63 125 250 ' 500 '1000 2000 4000 0000 (HI)- 1 SIREN BRUNS 21 161.9 163.9 0.0 0.0 0.0 0.0 163.0 154.0 153.0 146.0 144,0 10= 0.0 YO= 0.0 10= 65.00 HE!6HT ABOVE GROUND = 40.00 1 l l l l CAROLIAA POWER & t.lGHT COMPANY. ) BRUNSWICK ANS SIREN 821-FS1000 METEOROLOGICAL INPUT CONDITIONS l His 10.06 METERS H2= 60.05 METERS 1 , WINO WIND SPEED (MPS) TEMPERATURE (C) RELATIVE BAR0tETRIC YEAR SEASON MONTH DATE HOUR DIRECTION Hi H2 Hi H2 HUMIDITY PRESSURE (MM 0F H6) l l 1984 S B 24 12 211.0 2.5 3.0 27.4 26.7 62.0 750.0 o 2 -- _ _ - _ - _ - _ _ _ - - _ _ . _ _ - - - - _ . - - _ _ _ _ _ _ _ _ - ___.__s
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l l: CAROLINA PONER & Ll6HT COMPANY 1 BRUNSNICK ANS SIREN 022-FS1000 SOURCE-RECE!VER TOP 06RAPHICAL INPUTS ALL BEARINGS ARE NITH RESPECT TO THE NORTH MEASURING CLOCKNISE SRID GROUND FDLIAGE. INTERVENIN6 DISTANCE TO H16 HEST- HE! BHT OF POINT DI.iTANCE BEARING HEI6HT TYPE PENETRATION OBSTRUCTIONS OBSTRUCTION FROM SOURCE OBSTRUCTION 1 500. 90.00 10.00 SOFT 0. NO 0. O. ; 2 1000. 90.00 20.00 SOFT 0. NO 0. O. j 3 2000, 90.00 15.00 SOFT 0. YES 1900. 20.-} 4 4000. 90.00 5.00 HARD 0. NO 0. O. 5 6000. 90.00 5.00 HARD 0. NO 0. O.- 6 8000, 90.00 5.00' HARD 0. NO 0. 0. - ! 7 12000, 90.00 !$.00 SOFT 0. NO 0. O. ! B 500. 45.00 20.00 SOFT 0. NO ' O. D. 9 1000. 45.00 5.00 SOFT 0. NO 0. O. 10 2000, 45.00 5.00 SOFT ,O. YES 3000.
- 15. l 11 4000. 45.00 5.00 HARD 0. NO 0. O.
12 6000. 45.00 5.00 HARD 0. NO ' O. O. 13 8000. 45.00 5.00 SOFT 0. YES 7700. - 10. 14 12000. 45.00 5.00 HARD 0. NO 0. 0.- 15 500, 0.0 15.00 HARD 0. ND 0. O. 16 1000. 0.0 25.00 HARD 0. ND 0. '0. 17 2000, 0.0 15.00 HARD 0. YES 1900. 20, 18 4000. 0.0 25.00 HARD 0. NO 0. O. 19 6000. 0.0 25.00 HARD 0. NO 0. O. - 'i 20 0000. 0.0 10.00 HARD 0. YES 6250, 30. - l 21 12000. 0.0 17.00 HARD 0. ND 0. O, i 22 500. 315.00 10.00 HARD 0. NO 0. O. 23 1000. 315.00 10.00 HARD 0. YES 900. 15. 24 2000, 315.00 28.00 HARD 0. NO 0. O. 25 4000. 315.00 28.00 HARD 0. NO 0. O. 26 6000. 315.00 30.00 HARD 0. NO 0, 0, ' ! 27 0000. ~315.00 35.00 HARD 0. YES 6400. 40. 2B 12000. 315.00 40.00 HARD 0. YES 8900. 50. t 29 500. 270.00 10.00 SOFT 0. NO 0. O. 30 1000. 270.00 5.00 SOFT 0. NO 0. O. , 31 2000. 270.00 10.00 SOFT 0. NO 0. O. 5 i 32 4000. 270.00 15.00 SOFT 0. NO 0. O. 33 6000. 270.00 10.00 SOFT 0. NO 0, O. 34 8000. 270.00 7.00 SOFT 0. YES 7500. 15. 33 12000, 270.00 20.00 SOFT 0. YES 11200. 25, 36 500. 225.00 15.00 SOFT 0. NO 0. O. 5
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6 RID 6ROUND' FOLIA 6E INTERVENING : DISTANCE TD H16 HEST REIGHT OF POINT DISTANCE BEARING . HE16HT TYPE PENETRATION OBSTRUCTIONS DBSTRUCT!DN FROM SOURCE DESTRUCTION: ! 37 1000,- 225.00 15.00 SOFT 0. NO 0. 0. - 38 2000. 225.00' 3.00 HARD 0. NO 0. O. - -; 39 4000. '225.00 10.00 ~HARD' 0. NO 0. ' O. l I 40 6000.- 225.00 27.00 SOFT 0. NO - 0. ' 0. 41 9000. 225.00 28.00 SOFT 0.- YES 7100. 40. ' i 43 13000. 225.00 30.00 SOFT 0. YES 11000. 35. l 43 500. 100.001 10.00 SOFT 0. NO - 0. O. ) 44 1000. 180.00 .3.00 QFT 0. NO ' O. O. j 45 '2000. 180.00 .3.00 HARD 0. NO 0. . O. J 46' 4000. 180.00 20.00 SOFT. 0.' NO 0. l0. 47 6000. 180.00' 20.00 SOFT . O. NO . O. O. l ' 48 . 8000. 180.00 3.00 HARD 0. YES 6300. 20. 49 12000. 100.00 23.00 SOFT 0. NO' O. O. 50 500. 135.00 5.00 SOFT- 0. NO 0. O. 1 51 1000. 135.00 3.00 SOFT 0. NO ' O. O.
]
53 2000. 135.00 3.00- HARD 0. NO 0. O. l 53 4000. 135.00 3.00 HARD 0. NO ' O. - 0. 54 6000. 135.00 3.00 HARD 0. NO 0. O.. I 55 0000. 135.00 5.00 HARD 0. NO 0. 10. l 56 ' 12000. 135.00 5.00 -HARD 0. NO 0. O. J 97 32501. 302.54 20.00 SOFT 0. YES 100. 90. -
]
58 - 17770. 10.37 20.00 SOFT 0. YES 100.- 90. 59 38052. 62.65 20.00 SOFT 0. YES 100, 90, j 60 30379. 244.41 20.00 SOFT 0. YES 100.- 90. .1 61 13505. 166.29 20.00 SOFT- 0. YES 100. 90. 62 36257, 111.21 20.00 SOFT 0. YES 100, 90. 63 51596. 212.00 20.00 SOFT 0. YES 100. 90. > 64 43837. 175.81 20.00 SOFT 0. YES 100. 90. 65 55262. 142.29 20.00 SOFT 0. YES 100. 90.
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d I CAROLINA POWER & LIGHT COMPANY BRUNSWICK ANS SIREN 022-FS100.' NOISE SOURCE POWER LEVEL INPUT. INDEI SOURCE DBA' DBC 31.5 63 125 250 500 '1000 2000 4000- 8000 (NZ)~ l SIRENBRUNS22' -161.9 163.9 0. 0 0. 0 0. 0 0.0 163.0 154.0 153.0 146.0 144.0 .l 1 ids 0.0 YO= 0.0 20= 50.00 HE16HT AB0VE 6ROUND=- 40.00 l CAROLINA POWER & LIGHT COMPANY j BRUNSWICK ANS $1REN 022-FS1000 METEOROLOGICAL INPUT CONDITIONS Hl= 10.06 METERS H2= 60.05 METERS WIND ' WIND SPEED (MPS) TEMPERATURE (C) RELATIVE BAROMETRIC YEAR SEASON MONTH DATE HOUR DIRECT!0N Hi H2 Hi H2 HUMIDITY PRESSURE (MM OF H6). 1984 S 8 24 12 211.0 2.5 3.0 27.4 26.7 62.0 758.0 t I l l
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4 3 , CAROLINA POWER & LI6HT COMPANY BRUNSb!CK ANS SIREN D22-FS1000 SIREN SDUND LEVELS IN DBC UNDER MET CONDITION 1' DISTANCE IN FEET AllMUTH 500, 1000. 2000. 4000.- 6000. 8000. ~12000. l E 112. 99. 84. 90. - 84. . 80. 69. NE '111. 100. ' 65. 90. 84. 70. 73. N !!2. 105. 92. 90. 84. 75. 73. NN !!2. 100. 99. 90. 84. 75. 68. N !!2. 99. Bl. 58. 48. 45. 39. SN 112. 97. 87. 61. 40. 45.- 39. S !!2. 98. 87. 54, 40. 50, 39. SE 112. 100. 91. 69. 54. 50. 43. 1 1 l ' l l: i l
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e e i l I l APPENDIX B l l Sample Size Determination . . 1 i l l i 9 O t
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APPENDIX B SAMPLE SIZE DETERMINATION The number of households that need to be surveyed is determined based upon the need to obtain a sample size sufficient to obtain a 95% confidence interval with precision (half-width) of.0.05 for the estimate of the propor.,tlon alerted. The exact number of households to be surveyed can be derived from the following statistical considerations. For relatively large sample sizes (n 2 30), taken without replacement from a population (N), the sampling distribution for proportions (e.g., the proportion of l the population alerted) is nearly a normal distribution, the l mean of which is the proportion (p) of the population alerted and the variance of which is
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p(1 - p)/n , l If P is the observed sample proportion, then for a particular confidence level with confidence coefficient Z e, (P - p) SZ e E(l ~ E)/" N' Thus, for this confidence level, the actual proportion of the . ,, population alerted satisfies the following inequalities: " 2 2 c N-n ,g P(1 - P) N-n c N-n p , 2n (N - lj c n N - lj 4 2 N - lj 2 S P Ed
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e / N-nI , n N-1 1
2 2 p e N-n P(1 - P) N-n c IN - n 2n N-l c n (N - lj 2 (N - lj j g E 2 e IN-n 1+T N-1 Thus, the precision (W) is simply given by P(1 - P) N-n c N-n z n N-l j g 2 N-1 i 2 z /, , ,) c n (N - lj This equation can be solved to determine the sample size (n) required to yield a given precision (W) with a given observed
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sample proportion (P) as follows: 2 P(1 - ?) - 2W + W l - 4P(1 - P) + P (1 - P) n= 2"2 ~ ~ ~ 2 - 2 , 1+ ., P(1 - P) - 2W 1+ + W l - 4P(1 - P) +P (1 - P) 2W'N z - Although this expression for n can be used directly, it is customary to make several approximations. First, since the term in N in the denominator (the finite population term) is positive definite for all reasonable values of W (0 < W < 0.5), omitting this term will result in an approximation to n that is slightly larger than its true value. This is an acceptable practice in sizing the sample since a larger sample gives greater precision. 2
A second approximation that can be made_is to neglect the terms in W2 within the bracket in the numerator. Analysis demonstrates that this underestimates n when P < 1/2 - 1/4 $[2 + 8W 2 or P > 1/2 + 1/4 i l2 + 8W2 and overestimates n for P between those two values. For the case of interest (a 95% confidence interval with precision of 0.05), this approximation provides an overestimation of n when a sample size greater than 191 is required. Since the sampling plan calls for a minimum sample size of 250, regardless of the value of P, this approximation is ! acceptable because it also yields an estimate of n larger than the true value. Therefore, for the purposes of the pilot test and subsequent surveys, the following approximate equation can be used to determine whether a sample size larger than 250 is required: 2 z n= P (1 - P) w~ or using 1.96 for Ze and 0.05 for W, n = 15 36. 64 P (1 - P) Data from the pilot test can be used to illustrate the effects of these approximations. In the pilot test, the population of tone alert households from which the sample was to be drawn (N) was approximately 4500 and the observed proportion alerted (P) was 0.675. This yields 311 as the exact result for n. Neglecting the finite population term yields an estimate of 334 for n, and the simplified final approximation estimates n as 338. Thus, the final simplified approximation overestimates the required sample size by 27 in this case. SOURCE: International Energy Associates Limited. " Analysis of Tone Alert Pilot Test." IEAL-321. September 27, 1983. 3' _ - . . . . . .}}