ML20064L965
| ML20064L965 | |
| Person / Time | |
|---|---|
| Site: | Arkansas Nuclear  |
| Issue date: | 07/30/1982 |
| From: | ARKANSAS POWER & LIGHT CO. |
| To: | |
| Shared Package | |
| ML20064L950 | List: |
| References | |
| PROC-820730-01, NUDOCS 8208260106 | |
| Download: ML20064L965 (60) | |
Text
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r ARKANSAS POWER & LIGHT COMPANY
(.. '7.l Arkansas Nuclear One D MLE: pppopp gp pp4ygpg ggg pyyyq7gqq FON NO. ) ggg gg,3 0FFSITE DOSE PROJECTTONS - POCKET COMPUTER METHOD REV. # 8 PC #
'- - ETHOD Y ",,~ 0FFSITE DOSE PROJECTIONS 1904.02 REV. - POCKET 0 COMPUTER M 2
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-i'hCE REV PC# PAGE REV PC# PAGE REV PC# . PAGE REV PC# PAGE REV PC#
1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 12 0 13 0 14 0 15 0 s 16 0 17 0 18 0 19 0 20 0 21 0 22 0 23 0 24 0 25 0 26 0 27 0 28 0 29 0 30 0 31 0 32 0 33 0 34 0 35 0 36 0 37 0 9208260106 820811 I PDR ADOCK 05000313 APPROVED llY: F PDR APPROVAL DATE
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REQUIRED EFFECTIVE DATE:
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ARKANSAS NUCLEAR ONE aevisiOn CHANGE n DaTE DATE n<;/,n/n, 1.0 PURPOSE The purpose of this procedure is to provide an initial estimate of the radio-logical conditions at the ANO Excluaton Area Boundary, provide information to determine the Emergency Activu Level, define the offsite area (s) potentially affected by an airborne radiological release, provide an estimate of the whole body and child Lnyroid dose rates and refine projections based on available field monitoring data, using a hand-held computer to perform the necessary catculations.
2.0 SCOPE 2.1 This procedure is applicable to airborne radioactive releases from ANO, Units One and Two as indicated by'the ventilation system stack mon-itors (i.e. the SPING monitors of the GERM System).
2.2 If the monitors are of f scale, refer to 1904.03, " Auxiliary Building Ventilation Exhaust Emergency Radiation Monitor".
2.3 This procedure does not take into account effects caused by precipi-tation.
/; 2.4 To use the LFE Trapelo or Westinghouse effluent monitors, (original
(_,) normal range monitors) refer to procedure 1904.04 " Estimating Airborne Release Rates".
3.0 REFERENCES
3.1 References Used in Procedure Preparation:
3.1.1 Arkansas Nuclear One Emergency Plan 3.1.2 " Manual for Protective Actions, Appendix D", Environmental Protection Agency 3.1.3 " Workbook of Atmospheric Dispersion Estimates", U.S. Department of Health, Education and Welfare 3.1.4 Memoranda Numbers CL-1460, CL-1571, CL-1735, and CL-2115 (By A. L. Smith) 3.1.5 Radio Shack TRS-80 Pocket Computer User's Manual 3.1.6 Radio Shack Minisette-9 Owner's Manual 3.2 References Used in Conjunction with this Procedure:
s 3.2.1 1903.10, " Emergency Action Level Response"
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~' ) ARKANSAS NUCLEAR ONE aEvisiON CHANGE n o*TE DATE ne,,n,e, 3.2.2 1903.43, " Duties of the Emergency Radiation Team" 3.2.3 1904.03, " Auxiliary Building Ventilation Exhaust Emergency Radiation Monitor" 3.2.4 1904.04, " Estimating Airborne Release Rates" 3.2.5 1904.05, " Atmospheric Stability Class Determination" 3.3 Related ANO
References:
None 4.0 DEFINITIONS 4.1 00 (sigma theta) - The standard deviation (net change) of the horizontal wind direction over time.
4.2 At (delta t) - The vertical temperature differential between the upper and lower temperature sensors on the meteorological tower (in degrees Centigrade).
(y 4.3 X/9 - The ratio of the concentration of radioactive material (at a
) specific location) to the release rate (at the origin) in units of pCi/cc/Ci/sec which is equivalent to units of secs /m 3.
4.4 [] - Brackets represent a labeled computer button.
4.5 Abbreviations 4.5.1 C.T. = Ghild Thyroid Dose Rate l
4.5.2 W.B. = Whole Body Dose Rate 4.5.3 OK = "Non-radiologic 1" Incident 4.5.4 U.E. = Unusual Event 4.5.5 S.E. = Site Emergency l
! 4.5.6 G.E. = General Emergency l
4.5.7 DEF = Define Mode 4.5.8 PRO = Program Mode l
4.5.9 RES = Reserve Mode l
gg 5.0 RESPONSIBILITIES G 5.1 The Shift Operations Supervisor is responsible for determining if an l unplanned gaseous release to the environment is indicated by symptoms such as high stack monitor readings, area radiation monitor alarms or other indications.
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PLANT M ANUAL SECTION: PROCEDURE / WORM PLAN TITLE: N O-OFFSITE L-0SE OFFSITE DOSE PROJECTIONS -
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ARKANSAS NUCLEAR ONE -aEvision n DATE nc,i,nig,
] CHANGE DATE 5.2 The Duty Emergency Coordinator, or his designee, is responsible for performing the magnitude of release calculations.
5.3 The Shif t Operations Supervisor / Duty Emergency Coordinator is responsible for notifying appropriate groups per 1903.10, " Emergency Action Level Response".
5.4 The Offsite Radiological Monitoring Section of the Emergency Radiation Team is responsible for measuring effsite radiological hazards per 1903.43, " Duties of the Emergency Radiation Team".
6.0 LIMITS AND PRECAUTIONS 6.1 This procedure provides an initial projection of the radiological con-ditions; field monitoring is necessary to determine the actual conditions.
6.2 Actual terrain and weather conditions will generally limit the accuracy of the projected doses at a specific location.
6.3 The diffusiva overlays used in this procedure represent long-term average conditions for a ground level release.
6.4 When performing manual or programmed calculations, the computer should be in the RUN Mode.
7.0 DETERMINATION OF EXISTING METEOROLOGICAL CONDITIONS 7.1 Site meteorological data may be obtained at the TSC, ECC, or other loca-tions by utilizing the "R MONII" command from GERMS (chromatics) ter-minal. Station No. 1 (40' elevation sensor) should be used, if possible, for readings other than o0 (indicated as wind direction variability), which may be obtained from station No. 2. [The recorders indicated on form 1904.02A may also be used from control room locations.]
7.2 If the on-site meteorological system is out of service, limited meteoro-logical data may be obtained from the following sources.
A. National Weather Service (Meteorologist-in-Charge) [771-0971 or
.. .]
B. KARV Radio (968-1184)
TifE MATERIAL CONTAINED CITilIN THE SYMBOLS (*) IS PROPRIETARY OR PRIVATE INFORMATION.~
l PLANT M ANUAL SECTION: PROCEDU REANORK PLAN TITLE: NO:
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,-g PAGE 4 n r 17 i () ARKANSAS NUCLEAR ONE aEvisioN CHANGE n DATE DATE or,e,nea, C. MSS Dispatcher (4882) - Request data for Arkansas Zone five.
D. The stability category may be calculated from causative factors (see procedure 1904.05, " Atmospheric Stability Class Determination").
7.3 Complete Form 1904.02A to record the current meteorciogical conditions.
8.0 DETERMINATION OF THE AIRBORNE RELEASE PATHS NOTE: If the GERMS detectors are out of service for a normal release path which is discharging substantial amounts of radioactive material, refer to procedure 1904.04 " Estimating Airbcene Release Rates" 8.1 Normal Release Paths:
Record the radioactive release data as indicated on the Eberline CT2 for each of the release points that are in servite on Form 1904.02C.
8.1.1 At the Eberline Control Terminal (CT), insert the key into the
" keyboard" switch and activate che control terminal.
\_ / 8.1.2 Set the Ifistory Format select knoh to " Release Rate."
8.1.3 For each of the channels to be interrogated, depress the
[ Hist. Min] pushbutton then enter the 2-digit monitor ID number and then the two digit channel ID. Then depress the
[ ENTER] pushbutton. A printout of the 23 previous 10-minute averages plus the current value will appear.
8.1.4 Depress the [ PRINT] then the [. FILE] and then the [ ENTER]
pushbuttons.
NOTE: If the direct connected flow instrument is out of service, the CT-2 will ask the operator to supply the discharge flow rate in ec/ min. To obtain the flow rate in CFM, refer to the appropriate analog flow recorder. To convert CFM to cc/ min., multiply the recorder flow rate (in CFM) by 2.83E4. Then enter the result on the CT-2 (to enter a number in ex-potential notation, such as 5.26E3, use the fol-lowing key sequence: depress [+] then 5.26 ti;en
[+] 03 and then the [ ENTER] pushbutton).
8.1.5 For each channel interrogated, record the next-to-last value listed onto the proper line of Form 1904.02C. Record the gg--
noble gas data from the lowest numbered channel which gives valid, on-scale data (i.e., data is not valid if " failed high"
('~')
alarm [or similar alarm] is indicated).
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V O ARKANSAS NUCLEAR ONE E'sms CHANGE
'^'EE' m D DATE om m, 8.2 Contaminated Steam Releases:
If contaminated steam releases are occurring:
8.2.1 Record the radiation levels in the main steam headers and either the number of safeties / atmospheric dumps open or the pounds / hour of steam being exhausted on Form 1904.02B.
8.2.2 For the initial release, assume 14 safeties open for ANO-1, 10 for ANO-2. For follow-up determinations, assume 2 safeties open unless verified to be more or less.
8.2.3 Complete form 1904.02B and transfer the release rates in Ci/see to the " Steam Releases"'line of 1904.02C.
8.3 Unmonitored Release Paths:
8.3.1 If a release is occurring from an unmonitored location and field monitoring data is not available, refer to procedure 1904.04 " Estimating Airborne Release Rates", and enter the estimated release rates on Form 1904.02C as "Other Releases".
(~') 8.3.2 If field monitoring data is available, complete sections
\s_) 9.0, 10.0, and 12.0 using assumed initial release rates of 1.0 Ci/sec. for both iodines and noble gases. The scale factors determined in section 12.0 can then be used with the assumed release rates to produce relatively accurate offsite dose projections by repeating procedure sections 9.0 and 10.0.
9.0 DETERMINATION CF DOSE RATES AND MAXIt!UM PERf!ISSIBLE CONCENTRATION 9.1 Obtain the computer, overlays and map from the appropriate emergency kit:
9.1.1 Control Room 9.1.2 Technical Support Center 9.1.3 Emergency Control Center 9.2 Complete Form 1904.02D to determine the following information:
9.2.1 Whole body dose rate at the indicated distances.
9.2.2 Child thyroid dose rate at the indicated distances.
9.2.3 The ratio of the projected to the maximum permissible concen-
,-s tration of Xe-133 at the site boundary, assuming " annual
() average" meteorology.
9.3 If an Emergency Action Level is NOT indicated, return to Section 7.0.
New data should be taken as specified by the Duty Emergency Coordinator or the Dose Assessment Supervisor.
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(_ >'t V ARKANSAS NUCLEAR ONE aavisiON CHANGE n DATE DATE nne,n 2, 10.0 PLUME DEFINITION NOTE: The attachments contained in this procedure are provided for ILLUSTRATION ONLY. The correctly scaled overlays and maps are located in the emergency kits.
10.1 Select the overlay-(Attachments 1-7) which corresponds to the existing atmospheric stability category (Form 1904.02A, Line 5.0).
10.2 Place the selected overlay on the ANO area map (Attachment 8) with the origin directly over the ANO site center and align the plume cen-terline with the downwind direction.
10.3 Locate the plume boundary line (from Form 1904.02D Line 5.1.3) on the overlay. Any sub-sectors which are contained (or partially contained) with the plume boundary line should be designated as affected. Record this information on line 7.0 of Form 1904.02D.
10.3.1 Account for the uncertainty in the local wind near Mt. Nebo/
Spring Mountain:
A. If the plume centerline lies in sector 10 and the plume
(~') boundary extends beyond 6 miles, the affected area
\s / should also include sectors 9, 10 and 11 (from sub-sector G to the projected extent of the plume).
B. If the plume centerline lies in sector 11 and the plume boundary extends beyond 6 miles, the affected area should also include sectors 10, 11 and 12 (from sub-sector G to the projected extent of the plume).
11.0 NOTIFICATIONS 11.1 Provide radiological release information to appropriate groups per 1903.10, " Emergency Action Level Response".
11.2 The Emergency Radiation Team shall be dispatched to obtain field ra-diological data whenever an Emergency Action Level has been declared based on offsite radiological releases. If the Emergency Radiation l Team is dispatched, refer to Section 12.0.
l l
l 11.3 Return to Section 7.0 of this procedure. New data should be taken as specified by the Duty Emergency Coordinator / Dose Assessment Supervisor.
12.0 VERIFICATION OF PROJECTED DOSE RATES BY FIELD MEASUREMENT l
l 12.1 Whenever an Emergency Action Level has been declared dre to offsite l -
radiological releases, the Duty Emergency Coordinator /Offsite Moni-(s) toring Supervisor shall, based on wind direction, dispatch offsite radiological monitoring teams to sample the plume to determine the
, magnitude and extent of the radiation fields.
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t'on treTino: I i nekTT rn'tonTrn *frTnon 1904_09 a PAGE 7 nr 17 (V') ARKANSAS NUCLEAR ONE aevisioN CHANGE n oaTE DATE one,ois, 12.1.1 Radiation surveys at specific locations should include a direct exposure rate measurement (mR/hr) and an air sample to determine iodine concentration (pCi/cc).
12.1.2 As the survey teams approach assigned survey locations, con-tinuous measurements should be taker. to identify the location of the highest radiation level for a particular downwind dis-tance.
12.2 Scale Factor Determination 12.2.1 Accurate scale factors may be calculated only by comparing measured plume centerline conditions with projec'ed plume centerline coriditions for corresponding time periods and downwind distances.
12.2.2 When field monitoring data becomes available for a plume centerline location, complete Form 1904.02E to calculate whole body and child thyroid dose rate scalc factors.
12.3 Return to section 7.0 of this procedure New data should be taken as
(^)
'v specifie d by the Duty Emergency Coordinator / Dose Assescment Supervisor.
13.0 ATfAL11:1ENTS AND FORMS 13.I Form 1904.02A - Current Meteorology Summary 13.2 Form 1904.0213 - Contaminated Steam Release Rates 13.3 Form 1904.02C - Airborne Release R5te Work Sheet 13.4 Form 1904.02D - EAL/Of f site Dose Projection Work Sheet l
13.5 Form 190'+.02E - Scale factor Work Sheet 13.6 Attachment 1 - Diffusion Overlay (Atmospheric Stability Category A)
I 13_7 Attachment 2 - Dif f usion Overlay (Atmospheric Stability Category 13) 13.8 Attachment 3 - Dif fusion Overlay (Atmospheric Stability Category C) 13.9 Attachment 4 - Diffusion Overlay (Atmospheric Stability Category D) 13.10 Attachment 5 - Diffusion Overlay (Atmospheric Stability Category E) 13.11 Attachment 6 - Diffusion Overlay (Atmospheric Stability Category F) m I
w/
) 13.12 Attachment 7 - Diffusion Overlay (Atmospheric Stability Category G)
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13.13 Attachment 8 - Area Map 13.14 Attachment 9 - Keyboard Layout 13.15 Attaciunent 10 - Battery Replacement 13.16 Attachment 11 - Program Loading / Verification 13.17 Attachment 12 - Program Listing 13.18 Attachment 13 - Memory Contents O
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TITR CLTRENT METf.f*0 LOGY SIT!ARY l FON
- 19% 02 A _
PEV. # n PC #
1.0 Record the date and time at which this data was measured _ ./ .g.
Date fame t
,,g, :.gj;,
2.0 Record the 10-minute ever ne wind speed (Chromat tes teruritial or W5R 9300) it less than 1 ?!Plf, enter "1" MPtf 3.0 Record the 10-minute average war.d direction (Chromatics terminal or kT)k ';300J
_ Degrees 4.0 Record the c0 (Chr omatics terminal or AAR 9300). If this is not available, record the at (AAR 9300 or Chromatics terminal).
00 _ degrees or at 'C
- 1. _, e 5.0 Determine from the following table the atmospheric stability category cor- -
responds.m i the value determined in Step 4.0 above and record the category below:
\ Atmospheric Stability Categorv 09 at A >22.$' <-C,67*
8 17.5' to 22.5' -0.87' to -0.78*
C 12.5* to 17.S' -0. 78
- t o - 9. 6'A' L 7.5* to 12.5' - 0 . t/>
- to -0.23*
E 3. 8* t o 7.5* -0. 7 3* t o +0.69*
T 2.l* to 3.8' +0.69' to +1.8' G (2.l* *
>1.8' Atmospheric Stability Category =
- = %s -w m Performed by _
/ . _
Inttaals l a me-Reviewed 1.y __ __
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aEvisioN CHANGE m o*TE DATE ncf,0 22 2.,,,, . . . , **'w '"
' ARKANSAS POWER & LIGHT COMPANY Arkansas Nuclear One ".M '
TITLE CONTAMINATED STEAM RELEASE RATES l FoRu No. 1904.02B REV. 4 0 PC #
NOTE: Complete only the sections of' the table below which correspond to , .m.,-
headers currently discharging contaminated steam. I. /-p!,
1.0 If the number of c. pen safeties is used as the criterta for steam flow, complete the first table beluw.
D l
l Col 1 l Col I 2 i Col 3 l Col 4' l Col _5 l Col 6 l Col 7 l Col SCl Col 9 l Col 10 Rad. 1 i l Lb/Hr l Stea n IMonitori l l l l Monitor l MR/hr INo. Openl Per l Flow i Calib.lQ-GAS lQ-l/Q-GlQ-Iodine.
l l'ni t / Hd r i Number 1 Reading l Safeties l Safety l(Lb/Hr)lfactorstCi/Secl Ratio l(Ci/Sec)
I I I I I l 1 I I I l ANO-1/A (RI-2682 l l l8.0E 5 l l2.23E-8l l 7. 2E- 3 l l l l l l l l ! l l l ANO-1/B lRI-2681 1 I 131E 5 l 12.23E-81 l 7.2E-3l 1 1 I I i i l 2 -- -we I I i ,
l ANO-2/A l2RI-10071 lI.5E 6 l l l2.46E-81 l 1.lE-SI i l l I l l t I i l l ANO-2/B l2RI-1057l l l1.5E 6 l l2.46E-8l l 1.1E-51 I l l l 1 I I I I I N
l TOTALS lXXXXXXXXlXXXXXXXlXXXXXXXXlXXXXXXXlXXXXXXXlXXXXXXXl lXXXXXXXl 2.0 if the makeup ficw rate is used as the criteria for steam tiow, complete the following table:
l Col 1 l Col 2 l Col 3 i Col 4 i Col 5 (Col 6 l Col 7 l Col 8'l Col 9 l Col 10 l l 1 Ra f. l j Gl'M i Lb/Hr i Steam iMunttori l l l l l Monitor l MR/hr l Makeup i Per l Flow l Calib.lQ-GAS lQ-I/Q-GlQ-Iodinel t i Unit /HIrl Number l Reading l Flow l GPM l(Lb/llrJlfactorslCi/Secl Ratio l(Ci/Sec)l .
~
l i I i i 1 5 l l 1 I I l A:?0-l/A lRI-2682 I l l 500 l 12.23E-8l l 7.2E-3l l l l_ l l 1 l l l 1 l I i
! l ANO-l/B lRI-2681 l l l 500 l l2.23E-81 1 7.2E-31 1 1 1 l l 1 l l l l l l l ANO-2/A l2RI-10071 l l 500 l 12.46E-81 l 1.1E-5l l 1 I I I I I I I I I l l A';0-2/B l2RI-10571 l l 500 l l2.4tE-8l l 1.lE-Si l I I I I I I I I I i I l TOTALS lXXXXXXXXlXXXXXXXlXX>IXYXXlXXXXXXXlXXXXXXXIXXXXXyXI IXXXXXXXl l ___m_ ..w, _m a Initially, assume: 14 (total) for ANO-1 (1.lE7 lb.,hr.)
10 (total) f or ANo-2 (1. 5E 7 l b. /h r. ) f T5.e rea f t e r , assume: 2 (total) f o r ANO- 1 (1.tfL lb./hr.)
2 (total) for ANO 2 (3.0E6 lb./hr.)
(Cnless verified to Le otherwise.)
b Column 6 = Column 4 x Column 5 c Column 8 = Column 3 x Column 6 x Column 7 l d Column 10 = Column 8 x Column 9 l'erformad By /
Instaals Time Reviewed Ity _ !
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TITtE AIRbuRSE hEI. EASE HATE bukKSitEET l FOAM NO. 190 4. 02 C REV. F PC #
4.ou-Release Rates (pCi/ min.)
I i
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l Manitor l I l o.i n ne i Noble Gases i I Number l Designation I (Chan. 03) l (Ci rc le Chan.J l -
I I l l 1 1 I 001 l 1/ Cont. Purge l l 05 ~07 09 l i l i l I l !
l 002 l 1/ Rad.aste l l 05 07 09 I i l i l l I !
l 00'l l 1/ Fuel Hd. I I 05 07 09 l i
I I I i 1 j 004 l 1/ Pen. & H, I RG I l 05 07 09 l l l 1 I I r l 005 l 2/ Cont. Purce l I 05 07 09 l 6
~
-- 1 :. -- l l l 1 l I -
l 006 1 2/Radwaste l l 05 07 09 I _
i 007 2/ Fuel HJ. 05 07 09 l 008 l 2/ Pen. &H PRG 2 I I 05 07 09 I l l l l l l l l 009 l PASS Bldg. l I 05 07 09 l l 1 1 I I I I l 010 l 2/ Aux. Bldg. Ext. l l 05 07 09 I I I I i l CERMS Tctals (pCi/ min.) l lXXXXXXXXXXXXXXXXI
~-
l I
- Multiply the corresponding iodine or noble gas GERMS total (pCi/ min.) by l 1.9E-8 Ci/sec./pCi/ min. to obtain GERMS total Ci/sec.
l I
I GERMS Totals (Ci/sec.) l l l l j pCi/ min.
- 1.9E-8) l IXXXXXXXXXXXXXXXXI -
l Steam Releases (C1/sec.) Totals trum I l l l 1904.02B Columns 8 & 10 respectively i IXXXXXXXXXXXXXXXXI I I I I l Othe r Releases (Ci/sec.) l IXXXXXXXXXXXXXXXXI .
n i l i I l Other Releases (Ci/sec.)- 1 IXXXXXXXXXXXXXXXXl i I I I j Other Releases (Ci/sec.) l IXXXXXXXXXXXXXXXXI l l l 1 l l Other Releases (Ci/ set .) I !XXXXXXXXXXXXXXXXI i i i l I Site Totals (Ci/src.) l IXXXXXXXXXXXXXXXXI Performei by / l Initials Time l t
Revie'.ed By t- .
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PLANT MANUAL SECTION.- PROCEDURE / WORK PLAN TITLE: NO:
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$ PAGE 3, mg 37 J ARKANSAS NUCLEAR ONE asvision CHANGE n oars n<,,n,c, DATE
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I as.: ..-1 % % 2@. a.e ARKANSAS POWER & LIGHT COMPANY Arkansas Nuclear One +P '
TITLE- EAL/0FFSITE DOSE PROJECTION kORKSilEET l FON NO. 1904.02D REV. #
- PC #
INSThCCTIONS Page 1 of 3 -. : Y- -
, -u pq:K ,1. .
1.0 Press the {0N} button. .
1.1 If a dot is not_ visible in the upper right hand corner of the display, replace the batteries per Attacturent 10 - Battery Replacement.
2.0 Press the { MODE) button repeatedly, as necessa y, until the word "REN" is indicated in the upper portion of the display. ,
.NJTE: At lent one test case contained in Attachment 11 - Program Loading / Verification should be performed prior to initial use.
-;m Initials ,m g 3.0 Type kL_N,(followed by {LNTERJ) 4.0 Type the appropriate responses, as indicated (tollowed by (ENTER l) to each question as it is displayed.
4.1 Wind Direction (From) - 1904.02A, Line 3.0 4.2 Windspeed (MPH) - 1904.02A, Line 2.0 4.3 Stability Class A-G - 1904.02A, Line 5.0
.) .
4.4 Q-GAS (Noble Gas in Ci/sec.) - 19C4.02Q " Totals" 4.5 Q-Iodine (Ci/sec.) - 1904.02C " Tota!
( 4.6 Whole Body Scale factor - 1904.02E, Column 44 (or 1.0, in the absence ot usable field data.)
4.7 Child Thyroid Scale Factor - 1904.02E, Column 4b (or 1.0, in the absence of usable field data.)
" - ~
- 5.0 When the computer prints an answer, the following actions should be taken: Er- - ^:w .*
5.1 Record the answer in the appropriate column below; then press lENTERJ to display the next answer (through Lane 5.1.5E).
5.1.1 l Emergency _ Action level l < >K E.E. Alert S.E. G.E. l 5.1.2 l Junwind th rec t ion i !)eerres l 5.1.3 l Plume Outer Bound erv X/Q l N c7nTl J
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('~ ARKANSAS NUCLEAR ONE aEvisioN 11 nf 17 n o^TE o<;i,nes, CHANGE DATE l
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ARKANSAS POWER & LIGHT COMPANY Arkansas Nuclear One - * 'S TITLE. E.\t/0FFSITE DOSE PROIECTinN WORKSHFET lFONNO- tona n?n REV. # o PC #
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5.1.4 Projected MPC Factor (Annual Average Meteorology) 5.1.5 Projected Dose Rates (Real-Time Meteorology) l DobNWIND l l l l DISTANCE (MILES) l WHOLE BODY l CHILD TifYROID l l OR LOCATION l (mR/hr) l (mk/hr) l A. I o.65 l l B. l 1.0 l C. l 2.0 l a D. I 5.0 I . . _
. c-E. l 10.0 i F. l OTHER: (LIST) l l l d l I I I 5.2 To facilitate review, record the program input variables as they are displayed on the calculator:
5.2.1 Wind Direction (From) (Deg.)
Windspeed (MPil) '-
5.2.2 5.2.3 Stability Class
! 5.2.4 Q-GAS (Ci/sec.)
5.2.5 Q-Iodine (Ci/sec.)
5.2.6 Whole Body Factor 5.2.7 Child Thyroid Factor r> . 0 The dose rates at any field location (5.1.5F) may be estimated by the follow-ing method. ;
b.) Interpolate the X/Q value f rom the appropriate overlay f or the desired location.
6.2 Type the value obtained in Step 6.1 followed by pressing the l51111T] B l ENTER l keys, 'Ibe computer will display the projected whole body dose rate ( m!./ h r ) for that location.
6.3 Press (SHIFTl X lENTERj. The computer will then display the projected child t hyroid dose rate for the same location. ,
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s PLANT M ANUAL SECTION: PROCEDURE / WORK PLAN TITLE: NO:
OFFSITE DOSE OFFSITE DOSE PROJECTIONS -
nr> g yc710=u-pocg7 courn>7c!? nr7ne,n v3 n i. n o <._,
PAGE i f, , , - 97 J ARKANSAS NUCLEAR ONE
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TEvisiON m DATE ne,,n,22 CHANGE DATE I
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ARKANSAS POWER & LIGHT COMPANY ,
Arkansas Nuclear One ~W TittL EAL/0FFSITE DOSE l'ROJECTION WORKS! FEET l FO" NO- 1904.02D REV. #" PC #
Page 3 of 3 _;- [
NOTE: Data may be reviewed by the following:
OT!!ER RESERVE KEY EYNCTiONS j l fry Sequence l Function l Pu rpo se i l l I I l [Sil!FT] V (ENTER l l Run 390 j Review Output Variables l l l l 1 I I I I l [SlilFT] A [ ENTER l l Run 560 i Review Input Vari.4bles !
-,.m I I I I . _ . _
7.0 AFFECTED SCB-SECTORS (From step 10.4 of this procedure):
Performed By / _
Initials ' lime ,
Reviewed By
- =AmeWe*4 fad i hBand a ,124. M . i St O
1
- PLANT MANUAL SECTION: PROCEDURElWORK PLAN TITLE: NO l OFFSITE DOSE OFFSITE DOSE PROJECTIONS -
I T?n fiTTTOMR PACLTT COMDitTPR Kf FTiinn 1006 09 PAGE is nr 37 l f()
V ARKANSAS NUCLEAR ONE aEvisiON CHANGE n DATE DATE of,/,n/x,
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.ji ARKANSAS POWER & LIGHT COMPANY -'
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Arkansas Nuclear One
- m. E SCALE FACTOR WORKSHEET l FORM P40. 1904.02E REV. # PC #
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1.0 Record the following raw data: :.
1.1 Measurement Time 1.2 Measurement Location (sub-sector) 1.3 Downwind Distance (mi) 1.4 Measured Whole Body lase Rate (record in column 1, line a')
below) 1.5 Measured Radtoindine Concentratien (pCi/cc)
- - -- uww 2.0 Multiply line 1.5 by 5.0E8 (mr/hr per pCi/ c) to convert the radiciocane r 2 co7 centration to the equivalent child thy.vid dose commitment rate (record in s column 1, line b) below).
\
j 3.0 Project the radiological conditions for the measurement location:
3.1 X/0 at measurement location (from stability class overlay) = (sec/m')
32 Type the value obtained in step 3.1 followed by pressing the (SHIFTl B
[ ENTER] keys. The computer will display the projected whole body dose rate (mR/hr) for that location. Record in column 2a below. .
3.3 Press (S!!ITTl X [ENTERI. The comruter will then display the projected child thyroid dose rate for the same location. Record this value in column 2h below.
3.4 Transcribe the previous scale factors used for these dose rate pro-jections from form 1904.02D steps 5.2.6 and 5.2.7 to column 3 below.
4.0 Calculate the current scale factors:
_m ,,,a Column 4 = (column 1 + column 2) x column 3 ,
I Column 1 l Column 2 l Column 3 l Column
- l l Measured l Projected l Previous l Current I ;
i Srile factors l Scale factors l I mR/hr i mR/hr l_ a)_ p bg ly J.p_ty___ l l l l q@) l
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PLANT MANUAL SECTION: PROCEDUREN!ORK PLAN TITLE: NO:
OFFSITE DOSE OFFSITE DOSE PROJECTIONS -
J; PPA FFTTAW POPVPT PAMPUTFR MFTHAD 1006 O?
L PAGE o nr q7
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PLANT M ANUAL SECTION: PROCEDURE / WORK PLAN TITLE: NO:
OFFSITE DOSE OFFSITE DOSE PROJECTIONS -
nr3nirrT;nec onryrT rnitptiTrn strTirnn i o n '. no A
PAGE og ,, 7 9,
s ARKANSAS NUCLEAR ONE aevisiON CHANGE n -DATE DATE ne,,n,e, ATTACllMENT 9 KEYBOARD LAYOUT k N M M A[.'h d k 6 Illkk b k $ $ $ $ h M b $ h i.
, Display r w--. - - - . . - . . - .. ^^^ ^~ M k ,--_ ,
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Power OFF key Power ON key Reservable keys ENTER key arithmetic (Executes ca!culation keys calculations or -
enters programs)
PLANT MANUAL SECTION: PROCEDUREN10RK PLAN TITLE: NO:
OFFSITE DOSE OFFSITE DOSE PROJECTIONS -
PRO TFFTTn5N Pork'FT COMPUTFR MFTHOD 1004 O'
, PAGE 7s nf 37
('s s,)
ARKANSAS NUCLEAR ONE aevis:On CHANGE n oATE or,,,n en, DATE ATTACHMENT 10 Page 1 of 2 BATTERY REPLACEMENT 1.0 COMPUTER NOTE: This computer uses Type 675 batteries; mercury batteries should be used when possible.
1.1 Press the [0FF] button.
NOTE: Two (2) types of screws hold the back cover in place.
1.2 Remove the screws from the back cover.
NOTE: Use a dry cloth to wipe off the surface of the new batteries before installing.
1.3 Replace the batteries, placing the "+" side up.
1.4 Hook the tabs on the back cover into the slots on the computer.
(n,! 1.5 Push the back cover in slightly while replacing the screws.
NOTE: Do not use a pencil.
1.6 Using a hard, pointed object, carefully push the Reset switch on the back cover to clear the computer.
1.7 Press the [0FF] and then [0N] butt 6n to clear the computer.
NOTE: When the batteries are correctly installed "> DEG (MODE) " will be displayed.
2.0 CASSETTE INTERFACE NOTE: This device uses Type AA batteries; alkaline batteries should be used when possible.
2.1 Remove the sliding door located on the underside of the interface.
2.2 Replace the batteries as indicated on the interface.
3.0 CASSETTE TAPE RECORDER NOTE: An optional AC adapter may be used, as necessary, if battery replace-
-, ment is not feasible.
V
PLANT M ANUAL SECTION: PROCEDURE / WORK PLAN TITLE: NO:
OFFSITE DOSE OFFSITE DOSE PROJECTIONS -
PRO TFPTTn*14 PnPVFT PA'f Df!TFD *frTlinfj 10ns n9 PAGE o r, n r q.7 C' ARKANSAS NUCLEAR ONE aevision CHANGE n oaTe DATE nr.,,n,e, ATTACllMENT 10 Page 2 of 2 a) Press down on the battery compartment cover (on the back) and remove.
I b) Replace the batteries as indicated on the recorder.
c) Replace the battery cover.
O 3
(O
PLANT M ANUAL SECTION: PROCEDURUWORK PLAN TITte NO:
OFFSITE DOSE OFFSITE DOSE PROJECTIONS -
PRO f FFT Y O'N Pork'ET COMPf fTFR MFTilOD 1004_O9
<-N PAGE 77 o f '37
(\s ') ARKANSAS NUCLEAR ONE l'aEvisioN n DaTE one 4nia >
CHANGE DATE ATTACilMENT 11 Page 1 of 5 PROGRAM LOADING / VERIFICATION 1.0 CONNECTING TIIE POCKET COMPUTER TO TIIE CASSETTE INTERFACE NOTE: Before attaching or removing the Computer from the Interface, be sure to turn off the Computer with the [0FF] key. If the computer is connected or disconnected with power ON, all keys may become inopera-tive. In this case, press the ALL RESET switch on the back of the Computer. This will clear the entire Computer (including programs stored in memory).
1.1 Press the [0FF] button.
1.2 Remove the cover from the left side of the Computer. It may be snapped into place on the bottom of the Cassette Interface, if desired.
1.3 Fit the projecting parts on the Cassette Interface in the grooves of the Computer.
NOTE: If parts do not mate properly, do not force them. Carefully shift
/~' the Computer left or right to be sure the mating surfaces are cor-k_ )T rectly aligned.
1.4 Slide the Computer carefully to fit securely onto the Cassette Interface.
2.0 CONNECTING TifE CASSETTE INTERFACE TO A TAPE RECORDER 2.1 Connect red plug into the MIC jack,on the Cassette Recorder.
2.2 Connecc gray plug into the EAR phone jack on the Recorder.
3.0 LOADING A PROGRAM FROM A MAGNETIC TAPE 3.1 Load tape in the tape recorder.
3.2 Rewind the tape completely; connect the black plug into the REMOTE jack on the Recorder.
3.3 Press the [0N] button.
3.4 Press the [ MODE] button repeatedly, as necessary, until the word "Run" is indicated in the upper portion of the display.
3.5 Push the PLAY button on the tape recorder.
,-s 3.6 Set the VOLUME control to approximately 3/4 of its full scale value km- l
_ _ _ . . _ _ _ _ _ _ _ _ _ _ _ _ _ . . _ _ . _ _ _ _ _ _ _ _ m.__. ___ __.._
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nonireminec oncerm cnnonTrn nrtunn
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t o n !, no
,s PAGE op nr 77 ARKANSAS NUCLEAR ONE (s._/ ) aEvisiON m -DAiE oc,,,,e, CHANGE ' DATE ' ' ' ' ~ ~ -
ATTACHMENT 11 Page 2 of 5 3.7 Set Tone to maximum treble (if this option is available).
3.8 Type NEW [ ENTER].
3.9 Press the [ MODE] button repeatedly until the word " RESERVE" is indi-cated in the upper portion of the display.
3.10 Type NEW [ ENTER].
3.11 Press the [ MODE] button repeatedly until the word "RUN" is indicated in the upper portion of the display.
NOTE: When the program has been transferred, the Computer will auto-matically stop the tape motion and display the PROMPT (>)
symbol.
3.12 Type CLOAD "PR0/ING" [ ENTER]
3.12.1 If an error occurs (error code "5" is displayed), start over from the beginning. If the error continues, adjust volume up or down slightly and repeat steps 3.1 to 3.12.
[_ sus) 3.12.2 If the error code is not displayed but tape motion continues, transferring is improper. Press [0N] key to stop the tape.
Repeat steps 3.1 to 3.12.
3.12.3 If the error remains or the tape continues to run after several attempts to corrget the problem, try cleaning or demagnetizing the Recorder's tape head.
3.~13 Type INPUT "MEM/ING" [ ENTER].
3.14 Press the [ MODE] button until the word " RESERVE" appears in the upper portion of the display.
3.15 Type CLOAD "RES/ING" [ENTERj.
3.16 Stop the recorder.
3.17 Press the [ MODE] button repeatedly, as necessary, until the word "RUN" appears in the upper portion of the display.
NOTE: The following methods may be used to indicate that the program has been loaded correctly. The first method causes the Computer to automatically search for the specified file name and compare the contents on tape with the contents in memory. The second
()/
(, method checks the general program operation by inputing given ini ial data and manually comparing the output data to the cal-culated results.
PLANT M ANUAL SECTION: PROCEDUREZNORK PLAN TITLE NO: i 0FFSITE DOSE OFFSITE DOSE PROJECTIONS - I ppnyrrTTn*N DnrVPT rnMDf?Trp MPTifnn 100'2 no PAGE og nr 97 f_,'-
s ARKANSAS NUCLEAR ONE aavisiON CHANGE n oaTE DATE ncienen, ATTACHMENT 11 Page 3 of 5 4.0 PROGRAM TESTS 4.1 Comparison Method. l 4.1.1 Disconnect the black plug from the Remote jack and completely rewind the tape.
4.1.2 Reconnect the black plug to the Remote jack.
4.1.3 Press the PLAY button of the recorder.
4.1.4 Type CLOAD? " PRO /ING" {ENTERJ A. If the programs are verified as being identical, the prompt symbol (>) will be displayed.
B. If the programs dif fer, execution will be interrupted and an Error Code 5 will be displayed. If this occurs, you may try again to either reload or re-verify the pro-grams. A slight adjustment in the recorder volume level
(~'} may improve the transfer.
V NOTE: Ensure that the computer is turned 0FF prior to removing it from the interface.
C. Upon completion, the computer may be removed from the interface, as appropriate.
4.2 Test Cases 4.2.1 Using the general operational method described in Sections 3.0 to 6.0 of 1904.02D, enter the appropriate input data from at least one of the following test cases. Compare the output data with the indicated results.
Om E
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penTrcTinec pncerT cnMm_"rrn McTunn innt ng PAGE 7n nr a7
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ARKANSAS NUCLEAR ONE aevision n o^te nc,-n e,
' ~~
x- CHANGE DATE ATTACHMENT 11 Page 4 of 5 TEST CASE # 1 2 3 4 5 l INPUT: l l l l l l l Wind Direction l 17 l 215 1 100 l 360 l 180 l l Wind Speed l 4.5 l 3 18 l 6 l 1.5 l l Stability Class l A l C D l E l G l l Q-Gas l SC-3 l 0.15 1.9 l 6.8 l 20 l l Q-Iodine l 6E-6 l SE-4 l 4E-3 l 5E-3 l 6E-3 l l WB Scale Factor l 0.9 l 1.1 0.6 l 0.99 l 1.9 l l CT Scale Factor 0.7 1.5 0.3 l 0.88 l 1.7 l l l l l l RESULTS: l Unusual l Site l General l l EAL 0.K. Event l Alert l Emergency Emergency l l Downwind Dir. 197 35 1 280 l 180 0 l l X/Q: Plume Bdy. 3.68E-4 8.70E-6 9.65E-6 6.09E-7 4.93E-8 l l .65 mi Avg. MPC 5.98E-2 2.19E O 1.51E 1 8.95E 1 5.05E 2 l l .65 mi WB l 1.00E-3 6.02E-1 l 1.48E O 3.96E 1 2.08E 3 l l .65 mi CT l 3.86E-3 1.47E 1 1.07E I 1.98E 2 7.84E 3 l l 1 mi WB l 2.53E-4 2.66E-1 7.14E-1 2.14E 1 9.74E 2 l l 1 mi CT l 9.77E-4 l 6.49E O 5.15E O 1.07E 2 3.65E 3 l
') l 2 mi WB l 1.05E-4 l 8.09E-2 3.43E-1 8.36E O , 4.84E 2 l x_) l 2 mi CT
~
l 4.07E-4 l 1.97E O 2.47E O l 4.18E 1 1.82E 3 l l 5 mi WB l 4.61E-5 l 1.51E-2 6.78E-2 l 2.39E O 1.74E 2 l l 5 mi CT l 1.77E-4 l 3.68E-1 4.89E-1 1.19E 1 6.54E 2 l l 10 mi WB 2.57E-5 4.44E-3 2.50E-2 9.34E-1 7.56E 1 l l 10 mi CT 9.93E-5 1.08E-1 l 1.80E-1 4.68E O 2.84E 2 l l l l l l
l INPUT: l l l l l l l Local X/Q 1E-7 1.9E-7 [ 3.9E-7 1.2E-6 8.08E-9 l l l l l RESULTS: l l l l l Local WB l ~1.22E-5 l ~0.0012 l ~1.21E-3 l ~0.102 l ~1.56E-2 l l Local CT l ~3.66E-5 l ~0.0399 l ~4.37E-3 l ~0.455 l ~0.0523 l l
OJ
PLANT M ANUAL SECTION: PROCEDUREMNORK PLAN TITLE: NO:
OFFSITE DOSE uFFSITE DOSE PROJECTIONS -
DDnTFFTTn*1R POPL'FT PAA1Pl!TFD kfFTTinn 10 n fi n9 PAGE 11 nf 17 C,' ARKANSAS NUCLEAR ONE aEvisiON CHANGE n DATE DATE nne,nia, ATTACHMENT 11 Page 5 of 5 A. If the data compares favorably, then the overall program is operating properly.
B. If the data does not compare, you may try to reload or reverify the program. A slight adj us tment in the recorder volume level may improve the transfer.
NOTE: Ensure that the computer is turned 0FF prior to removing it from the interface.
C. Upon completion, the computer may be removed from the interface, as appropriate.
(
1 1
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PLANT M ANUAL SECTION: PROCEDUREANORK PLAN TITLE: NO:
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ARKANSAS NUCLEAR ONE nevisiON CHANGE n -oaTE DATE
.s , , n i e ,
ATTACHMLNT 12 Page 1 of 2 PROGRAM LISTING 110 Input " Wind Direction (From)?"; C 120 Input "Windspeed (MPH)?"; D 122 Input " Stability Class (A-G)?"; Y$
123 B = 1: IF Y$ = "A" GOTO 140 124 B = 2: IF Y$ = "B" GOTO 140 125 B = 3: IF Y$ = "C" G010 140 126 B = 4: IF Y$ = "D" GOTO 140 l 127 B = 5: IF Y$ = "E" GOTO 140 f 128 B = 6: IF Y$ = "F" GOTO 140 129 B = 7: IF Y$ = "G" GOTO 140 130 GOTO 122 140 Input "Q-Gas (Ci/Sec)?"; E 150 Input "Q-Iodine (Ci/Sec)?"; G 170 Input "WB Scale Factor?"; F 180 Input "CT Scale Factor?"; A 200 H = C - 180 210 IF H<0 Let H = C + 180 215 K=E' 13.3 F
('s ') 225 X = A (B t 32)
/
230 M = A
- G
- 5.6E8 '- X/D 245 L = 1.74E5
- E 1' F 4 A (B + 25) X/D 294 IF ((M< = 500) '- (L< = 250)) GOTO 298 296 Print " General Emergency": GOTO 314 298 IF ((M< = 150) * (L< = 50)) GOTO 302 300 Print " Site Emergency" GOTO 314 302 IF (K< = 10) GOTO 306 ~
304 Print " Alert"- GOTO 314 306 IF (K< = 1) GOTO 310 1 308 Print " Unusual Event"- GOTO 314 310 Print "0.K."
314 W=X' .05/L 316 FOR N = 1 TO 4 318 A (14 + N) = A (7 S- N + B + 32) ' L/X 320 A (18 + N) = A (7 ? N + B + 32) 1 M/X 330 Next N 399 Print Using; " Downwind Direction ="; H 400 Using "#.## ^^"
405 Print "X/Q: Plume Bdy ="; W 430 Print ".65 mi Avg. MPC ="; K 440 Print ".65 mi WB ="; L 450 Print ".65 mi CT="; M 478 Print "I mi WB ="; O 480 Print "I mi CT ="; S p 490 Print "2 mi WB ="; P
\j 500 Print "2 mi CT ="; T
4 PLANT M ANUAL SECTION: PROCEDUREN/ORK PLAN TITLE: NO:
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__TaDnTPPTfn*N T OrGT PGAf DITTFD Af FTif nn 100'i.09 PAGE qq nr 37 (v,') ARKANSAS NUCLEAR ONE aevisioN CHANGE n DATE DATE o,; e,n es, ATTACHMENT 12 Page 2 of 2 PROGRAM LISTING 510 Print "5 mi WB ="; Q 520 Print "5 mi CT ="; U 530 Print "10 mi WB ="; R 540 Print "10 mi CT ="; V 560 Print Using; " Wind Direction (From) ="; C 570 Print "Windspeed ="; D 580 Print " Stability ="; Y$
590 Using "#.## ^^"
600 Print "Q-Gas ="; E 610 Print "Q-Iodine ="; G 620 Print "VB Factor ="; F 630 Print "CT Factor ="; A 999 END O
1 O-
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ppnTprTinvc pnerrT enstpT !Trp strTirnn i n n '. no s
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ARKANSAS NUCLEAR ONE aevisiON n DarE ne,,,n,e, CHANGE DATE ATTACllMENT 13 Page 1 of 4 HEMORY CONTENTS Memory Variable Loca ti on Name Description Value 1 A Child Thyroid Scale Factor (NOTE: The 2 B Stability Class No. memory contents 3 C Wind Direction of locations 4 D Wind Speed 1-25 depend 5 E Q-Gas upon program 6 F Whole Body Scale Factor input.)
7 G Q-Iodine 8 H Downwind Direction
(_,/)
s-- 9 I Not Used 10 J Not Used 11 K Line 10a) 0.65 MPC (ANN) 12 " "
L, 10e) W.B. (REAL) 13 M 10c) C.T. (REAL) 14 N Loop Counter 15 0 1 mi W.B.
16 P 2 mi W.B.
17 Q 5 mi W.B.
18 R 10 mi W.B.
19 S 1 mi C.T.
20 T 2 ni C.T.
<- s 21 U 5 mi C.T.
k) s ~'
22 V 10 mi C.T.
f I
PLANT M ANUAL SECTION: PROCEDURE / WORK PLAN TITL : NO: l OFFSITE DOSE OFFSITE DOSE PROJECTIONS - I PRn TFPTTnn!R Pnrk'FT rnMPUTFR MFTHAD 19n6 n7 PAGE s n f 17 O ARKANSAS NUCLEAR ONE aEvisioN CHANGE n o*TE DATE nor,nen, ATTACHMENT 13 Page 2 of 4 MEMORY CONTENTS Memory Variable Location Name Description Value 23 V X/Q for .05 MR/hr 24 X Current 1 MPlf X/Q @ 0.65 mi 25 Y$ Literal Stability Class 26 Fin. Plume C.F. (A) 0.78 27 (B) 0.72 28 (C) 0.60 29 (D) 0.47 30 (E) 0.42 31 (F) 0.35 32 (G) 0.23 33 0.65 mi X/Q (A) 7.39E-6 34 , (B) 4.10E-5 35 (C) 1.05E-4 l
36 (D) 2.87E-4 l
37 (E) 4.84E-4 38 (F) 8.37E-4 39 (G) 2.06E-3 40 1.0 mi X/Q (A) 1.87E-6 l
41 (B) 1.68E-5 1
42 (C) 4.64E-5 l
l l
l l
l l
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ppnTrrTTA"R pnrVFT rnMpirTrp MrTirnn 100& no PAGE gg nr 97 Cm ARKANSAS NUCLEAR ONE aevisiOu CHANGE n oats DATE n<e,n e, ATTACHMENT 13 Page 3 of 4 MEMORY CONTENTS Location Description Value 43 1.0 mi X/Q (D) 1.38E-4 44 " " "
(E) 2.62E-4 45 (F) 5.01E-4 46 " "' "
(G) 9.61E-4 47 2.0 mi X/Q (A) 7.80E-7 48 " " "
(B) 4.18E-6 49 (C) 1.41E-5 50 (D) 6.64E-4
(,) 51 " " "
(E) 1.02E-4 52 (F) 2.22E-4 53 (G) 4.78E-4 54 5.0 mi X/Q (A) 3.40E-7 55 (B) 7.30E-7 56 (C) 2.63E-6 57 (D) 1.31E-5 58 (E) 2.92E-5 59 (F) 7.23E-5 60 (G) 1.72E-4 61 10.0 mi X/Q (A) 1.90E-7 62 (B) 2.51E-7 63 (C) 7.74E-7 64 (D) 4.83E-6
PLANT M ANUAL SECTION: PROCEDURE /WOflK PLAN TITLE: NO:
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PPn1FrTTn*M POCKET POkiPl!TFR EfFTlinD l o n!. 09 O ARKANSAS NUCLEAR ONE
_PAGE aavision CHANGE 17 n f 17 n DATE DATE O<; / , n i a ,
ATTACIDIENT 13 Page 4 of 4 MEMORY CONTENTS Memory Location Description Value 65 10.0 mi X/Q (E) 1.14E-5 66 (F) 3.05E-5 67 (G) 7.46E-5 0
l lO 1
i
s j A
g M)RKANSAS Arkansas POWER Nuclear&One LIGHT COMPA FOW NO RECORD OF CilANGES AND REVISIONS 1000.06A ONFSI'TE ibOSE PRO.JECTIONS REV. # 8 PC #
s 'y ESTIMATING AIRBORNE RELEASE RATES
. ,N 1904.04 REV. 0 '>
.)
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'PhGE REV PC# PAGE REV PC# PAGE REV PC# PAGE REV PC# PAGE REV PC#
1 0 2 0 3 0 4 0 5 0 6 0 7 0 9 0 10 0 11 0 12 0 APPROVED BY: APPROVAL DATE J be k L-
/ ., , REQUIRED EFFECTIVE DATE:
~j(General Manager)
PLANT MANUAL SECTION: PROCEDUREN/ORK PLAN TITLE: NO: OFFSITE DOSE nonTrcTrnvc rcTTroTTec ATrnnper orrrier pATre 1ont n& PAGE ,nr3y Cs ARKANSAS NUCLEAR ONE aavisioN CHANGE o DATe DATE n,,,,,2, 1.0 PURPOSE The purpose of this procedure is to provide radioactive release rate estimates for release points which do not have functioning GERMS SPING detector systems. 2.0 SCOPE This procedure is applicable to airborne radioactive releases monitored by the original normal-range detectors and emergency-range hydrogen purge detec-tors, as well as containment Icakage, and other "unmonitored" releases. Refer to 1904.03, " Auxiliary Building Ventilation Emergency Radiation Monitor" if the original normal-range detectors are off-scale high.
3.0 REFERENCES
3.1 References used in procedure preparation: 3.1.1 " Meteorology and Atomic Energy," Slade 3.1.2 " Manual for Protective Actions," Environmental Protection Agency Memorandum Number CL-2126 (A. Smith to File) (nv) 3.1.3 3.1.4 Detector Calibration Curves (Supplied by ANO Radiochemistry and I&C) 3.1.5 ANO-1 and ANO-2 Integrated Leak Rate Test Reports, Bechtel Power Corp. 3.1.6 AIMS System Manual, Document No. AIMS-M-20, Applied Physi-cal Technology 3.2 References used in conjunction with this procedure: 3.2.1 1904.02, "Offsite Dose Projections, Pocket Computer Method" 3.2.2 1904.03, " Auxiliary Building Ventilation Exhaust Emergency Radiation Monitor" 4.0 LIMITS AND PRECAUTIONS 4.1 The radiological release rate data source selected should be the best available. Data sources are listed below in order of preference: 4.1.1 GERMS SPING detectors (Procedure 1904.02, "Offsite Dose Pro-jections - Pocket Computer Method") x_,) 4.1.2 LFE/Trapelo or Westinghouse normal-range monitors 4.1.3 Auxiliary Building Ventilation Emergency Radiation Monitor (Procedure 1904.03)
PLANT M ANUAL SECTiON: PROCEDUREANORK PU4N TITLE: NO: OFFSITE DOSE PRO 1PrTTAYR F9T Uf ATT*:n A T DRORVF RPTFA9F RATF9 lona_04 PAGE 9 g 19 (g) N/ ARKANSAS NUCLEAR ONE aevisiOu o oaTE ovei, a, CHANGE DATE 4.1.4 Portable instrumentation and grab sample analyses 4.2 If release rates are calculated using different detector types at different release points, care must be taken to account for each release path once and only once. See Figure 1. 5.0 ANO-1 NORMAL RANGE (LFE/TRAPELO) MONITORS 5.1 Record the date and time of the monitor readings on Form 1904.04A. 5.2 Record on Form 1904.04A the net counts per minute and the corresponding flow rate for each release path to be accounted for via normal range monitors. 5.3 Complete Form 1904.04A to estimate the total gaseous nd iodine release rates for the selected release paths. 5.4 Copy the results to a line on Form 1904.02C marked "other releases" 6.0 ANO-2 NORMAL RANGE (WESTING 110USE) MONITORS 6.1 Record the date and time of the monitor readings on Form 1904.04B. A I (
\s / 6.2 Record on Form 1904.04B, the net counts per minute and the corresponding flow rate for each release path to be accounted for via normal range monitors.
6.3 Complete-Form 1904.04B to estimate the total gaseous and iodine release rates for the selected channels. 6.4 Copy the resuits lo a line marked "other releases" on Form 1904.02C. 7.0 ANO-1/ANO-2 CONTAINMENT LEAKAGE 7.1 Request Radiochemistry to analyze the atmosphere of the affected contain-ment building for total iodine concentration (pCi/cc I-131 dose-equivalent) and total noble gas concentration (pCi/cc as Xe-133). Record the results on Form 1904.04C. NOTE: PASS / AIMS minimum detectable concentrations are approximately 1E-4 pCi/cc for all radionuclides. 7.2 Complete Form 1904.04C to estimate the iodine and noble gas release rate from this source. Copy the results to a line marked "other re-leases" on Form 1904.02C. 8.0 ANO-1 IIIGil-RANGE IlYDROGEN PURGE MONITOR
/'N 8.1 l
() To account for the release of radionuclides in the ANO-1 hydrogen pucge using the high-range monitors, complete Form 1904.04D. l
PLANT MANUAL SECTION: PROCEDURElWORK PLAN TITLE: NO: OFFSITE DOSE DPnirrTTnVR F9TTM\TTMC ifDRnPUF PPTFA9F RATFR 1004 04 ,-m., PACE q nf jr ( ) ARKANSAS NUCLEAR ONE aaviSiON CHANGE n DaTE DATE ovii,is, 8.2 Copy the results from Section 3.0 to a line marked "other releases" on Form 1904.02C. 9.0 "UNMONITORED" RELEASES MEASURED INDOORS 9.1 Instruct the Health Physics or Radiochemistry staff to obtain air samples in the affected area and analyze for radioiodines and noble gases. Re-cord the results on Form 1904.04E in units of pCi/cc. 9.2 Determine the area ventilation discharge flow from Heating & Ventilation drawings, direct measurement, or other means. Record the discharge flow on Forra 1904.04E. 9.3 Complete Form 1904.04E to estimate the iodine and noble gas release from this source. 9.4 Copy the results to a line marked "other releases" on Form 1904.02C. 10.0 "UNMONITORED" RELEASES MEASURED OUTDOORS 10.1 Direct Health Physics to determine the approximate plume width in feet and the maximum radiation readings in mR/hr at a convenient downwind r"'S distance using a survey meter which is primarily sensitive to gamma ( ,) radiation. An air iodine sample should also be taken along the plume centerline. 10.2 The ef fect of direct radiation (" shine") from the source can be subtracted by measuring the " background" radiation an equivalent distance upwind from the source. 10.3 Determine the current windspeed frem the control room recorders, the GERMS chromatics terminals, or other source as described in Section 7.2 of 1904.02, "Of fsite Dose Projection - Pocket Computer Method." 10.4 Complete Form 1904.04F to estimate the iodine and noble gas release rates from this source. 10.5 Copy the results to a line marked "other releases" on Form 1904.02C. I1.0 ATTACllMENTS AND FORMS 11.1 Form 1904.04A "ANO-1 Normal Range Monitors" 11.2 Form 1904.04B "ANO-2 Normal Range Monitors" 11.3 Form 1904.04C " Containment Atmosphere Leakage" 11.4 Form 1904.04D "ANO-1 liigh Range Hydrogen Purge Monitor" 11.5 Form 1904.04E ""Unmonitored" Releases Measured Indoors" 11.6 Form 1904.04F ""Unmonitored" Releases Measured Outdoors" p/ x/ 11.7 Figure 1 " Airborne Release Monitors at AN0" 11.8 Figure 2 " Hydrogen Purge Monitor Coversion factors" 11.9 Figure 3 " Finite Plume Multiplication Factor"
a-s PLANT MANUAL SECTION: PROCEDURElWORK PLAN TITLE- NO: OFFSITE DOSE ponTrr'T_Tn*?g PRTTMtTT*?c sippnp*?r errpAqr p\TFR 100!2 O& ,y
~
PAGE anr 3,.
.T ARKANSAS NUCLEAR ONE aevisioN CHANGE n DATE OT,,>/2, DATE .n. ,, w.rnw. m ARKANSAS POWER & LIGHT COMPANY yI$7 f
Arkansas Nuclear One MLE. tNn-1 Noun t ptNor Mos;TTooq
! FORM NO,%,, m REV. O PC #
PART I - TOTAL GASEOUS RELEASE RATE Date Time l l l COLi'MN 11 COLL'MN 2 i COLUMN 3 i COLL'MN 4 l l l LINE l l RELEASE PATH
& MONITOR / FLOW l l . l MoffTOR l MONITOR I VENTILATION l CALIBRATION l l(1) ! ,
l INDICATION NGMBER O gas l l l READING l SYSTEM FLOW l CONVERSION l l l l l (CPM) l RATE (CFM) l FACTOR I (Ci/Sec i l l l Stack (RE-1400; i l l l l l 1 l FR-8001) l l l 2.05E-Il l l l l Penetration Room l l l l l l 2 l (RI-2120; FI-21:0) l l l 1.23E-12 l l l l Penetration Room l l l l l l 3 I (RI-2130; FI-2130) i l l 1.23E-12 l l l l liydrogen Purge r;sjusw.
.__._.m~~. ,_.a l l l l l ~ eC -
l 4 l (RI- '.41j FI-7441) l l l 9.2SE-12 l l l i Hyc en Purge l l l l l h l 5 l (RI-7442: FI-7442) l l l 9.28E-12 l l l l Tot'1 Norma 1 'lange lXXXXXXXXXlXXXXXXXXXXXXXlXXXXXXXXXXXXXl(2) l l o l Noble Gas Release Rate lXXXXXXXXXlXXXXXXXXXXXXXIXXXXXXXXXXX'0(l l PART 2 - TOTAL IODINE RELEASE RATE Plant Condition Iodine / Noble Gas Ratio Waste Gas Tank Rupture 4.lE-5 Steam Generator Tube Ruptive (to Condenser) . 4.5E-5 Fuel Handling Accident 1.4E-3 , Large-Break LOCA 5.3E-2 i Rod E.lection Accident 6.8E-1 None of the Above 7.8E-3 Circle the applicable iodine / noble gas ratao tabulated above. Multiply this value times line 6 to obtain the estimated iodine release rate for the selecte-1 tlow paths: Total Iodine Release Rate (Ci/Sec) , PART 3 - NOTES
- 1. Determinatto.i of Gaseous Release Rate (Q ) = Column 1 x Column 2 x Colwnn 3.
- 2. Total normal range giseous release mate, Q = sum of values in Column 4.
Performed By / Initiil Time Reviewed By
- 3. 1/NG ratios may also be determined via grab samples & laboratory analyses liy multiplying the n o.li ne concentratton in pCi/cc by the vent flow rate (Cf't) ;
and by 4.71E-4 m'/ser-CtM. . e 4
- PLANT M ANUAL SECTION: PROCEDURE / WORK PLAN TITLE: NO:
OFFSITE DOSE DD A f r f'T T AMC P CT T
- f i T T *M .i T O D AD *Jr Dr"PACP i>\TPC 10 A '. OL s, p PAGE r nr to O ARKANSAS NUCLEAR ONE aEvision CHANGE A oaTE DATE m ,,,,e2
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.As ARKANSAS POWER & LIGHT COMPANY g Arkansas Nuclear One N P.0-2 NnRMAf. RANCE MONITORS l Fou No. Ton 4 of.R Igy y o PC #
PART 1 - TOTAL GASEOUS i<ELEASE RATE Date Time l l l COLL?!N 1l COLUMN 2 l CO LLJIN__3 l COLCIN 4 j l l RELEASE PATl! l l l MuNITOR lit) l l LINE l & MONITOR / FLOW l MONITOR l VENTILATION l CALIERATION l g ] 7 l l INDICATION NUMEER l READING l SYSTEM FLUW l CONVERSION l gas l l l l (CFM) l RATE (CFM) i FACTOR l (Ci/Sec) ] l l Aux. Bldg. Ext. l l l l l l 1 l (2RITS-7828: 2FR-7828) l l l 1.9E-9 l l l l Containment Purge l l l l l l 2 l (2RITS-8233; 2FR-8115) l l l 5.2E-10 l l l l fuel Handling Area l l l l l l 3 l (2RITS-8540; 2FR-8315) l l l 5.0E-10 l -l l l Rad haste Area l l l l j Mr 'myA l 4 l (2RITS-8542; 2FR-8315) l l l 3.9E-10 l l
- WNM l l h iroren Furge (ERDS-l l l l l l 5 l 2231; 2FI-8277-1) l l l 1.6E-10 ! l g l l Penetratten km (2RITS- l l l l l V l 6 I 8845-1; 2FIS-8827-1) l l l 5.7E-10 l l l l Penetration fen (2RIIS- l l l l l l 7 l 8846-2; 2FIS-8828-2) l _____l _ _ _ _ _ _ _ _ l 3.9E-10 ._ [ l l l Totai Sorma1 Ranxe !XXXXXXXXXlXXXXXXXXXXXXXlXXXXXXXXXXXXXl(2) l l 8 l Noble Gas Release Rate lXXXXXXXXXlXXXXXXXXXXXXXlXXXXXXXXXXXXXI l PART 2 - TOTAL IODINE RELEASE RATE Plant Condition ,
Iodine / Noble Gas Ratio Waste Gas Tank Rupture 2.2E-7 Stea n Generator Tube Rupture (To Condenser) 1.lE-4 Fuel 1:andling Acc adent 6.9E-3 Large-Break LOCA 1.9E-2 Small LOCA (Outside Containment) 5.8E-2 None of the Above 2.9E-3 Circle the applicable iodine / noble gas ratio tabulated above. Multiply this value times line 8 to obtain the estimated iodine release rate for the selected flow -*. < M -=4 paths: Archwe PART 1 - NOTES
- 1. Determination of Gaseous Release Rate (Q ) = Column 1 x Column 2 x Column 3.
- 2. Total normal range gaseous release rate, Q = sum of values in Column 4.
Performed By / Initial fime , Reviewed f$y I
- 3. 1/NG ratios may also be determined from grab samples (laboratory analyses) by l g multiplying the audine cont ent rat ion in pCi/cc by the vent flow rate (CFM)
" and by 4.71E-4 m /sec-CFM.
2 !
, a *O-
- i PLANT M ANUAL SECTION: PROCEDUREN/ORK PLAN TITLE: NO:
0FFSITE DOSE PPnTPCTTnMR F 9T T *f iT T Yn iTPPnPVP PPTFA9F RATFR 10M Oli x. PAGE (; nr 1+ (,'T ARKANSAS NUCLEAR ONE aEviSiON n o*TE n>/>,/a, y/ CHANGE DATE
-.3,3m w.v .w , .. e ARKANSAS POWER & LIGHT COMPANY Arkansas Nuclear One TITLE.
CONTATVS NT M OSPHFFF IF M'EF l FORM NO- , g gy REV. # 0 PC # 1.0 Circle the affected unit: ANO-1 / ANO-2 2.0 Record containment sample time: date: 3.0 Record the contaxi. ment leak rate: (ml /sec)* 4.0 Record the containment iodine concentration: (pCi/cc I-131 D.E. 5.0 Record the containment noble gas concentratica: (pCi/cc as Xe-133) 6.0 Estimate the iodine leakage rate: Q-todine : line 3.0 x line *.0 = (Ci/Sec) 7.0 Estimate the noble gas leakage rate: ( Q-gas : line 3.0 x itne 5.0 = (Ci/Sec) l " NOTE: Integrated containment leak rate for ANU-l was 2.3EE-4 m2 /sec as of 2/21/81 . Integrated containment leak rate for A.No-2 was 1.e3E-4 m*/sec as of 5/31/81 Performed By: /
, initial Time Reviewed By: -we w ~1,6 wathe l
l
. l l
O : d
~ .p.
PLANT M ANUAL SECTION: PROCEDURE / WORK PLAN TITLE: NO: OFFSITE DOSE non Te r7 t ny<- rc77=vwice g r p r'nn yg n r r ry cr- pa7re 'on '1 M ,., PAGE y mr 33-(#sT ARKANSAS NUCLEAR ONE aevisiON CHANGE m -DATE DATE n t, , u e ,
,. , ,. r.mw .-
ARKANSAS POWER & LIGHT COMPANY Arkansas Nuclear One
~
4 ME- sNo.1 u rcu cwcr HvTumerg- ptocr unvfTno l MW W
- n n a, n '.n REV . # 0 PC #
1.0 Record the date and time of monttor reading: / Date Time .- 2.0 Complete the following table for each purge system which is corrently operating: l Column 1 l Column .' l Col _umn 3 l Column . l Column 5 l Column o l Column 7 l l l l Radiationi l l l l l Radiation l Flow l Reading l Vent flow l Conversion l Ci/ft 2 l Q gas l l Monitor l Monitor [ (mR/hr) l (CFM) l Factor i (pCi/cc) I (Ci/Sec) l l 1 I l l l 1 l a) l RI-7441A l FI-7441 l l l (1)l 4.72E-4 I (2)! es-m' l l l 1 l l l l '-* MMan b) l RI-7442A l FI-7442 l l l (1)l 4.72E-4 l (2)l s l l LWXXLUXX l XXLGXXHX l XXXXXXLhX l XXXHXXXXX l .UXXXHUX l 1 c) l TOTAL I XXXXXXnXX l XXXXXXX'CO: l X} XXXXXXXX l XXXXXXXXXX l XXXXXXnXX I l 3.0 Circle the Iodine / Noble gas ratio t:elow corresponding with the time in hours since reactor shutdown. Mu) ly line 2.0-c by this value to c5tain the estimated Q-lodine (Ci/Sec)' Hours Since l Shutdown l 0 hr l 2 hr l 4 hr l 6 hr l 12 hr l I/N.G. Ratto l 0.49 l 0. 37 l 0. 3 3 1 0.29 1 0.24 i xf = 1/N.G. Ratio Line 2.0-c Q-lodine (C1/Sec) N0'ES: yCi/cc (1) ntf< / h r (See Figure 2) (2) Q gas = column 3 x Column 4 x Column 5 x Column 6.
~ ~ '
(3) The I/NG ratio may also be obtained from PASS / AIMS or laboratory analyses. l Performed Hy: / Initsal l' a me Reviewed By: l
6
- s PLANT MANUAL SECTION: PROCEDUREN/ORK PLAN TITLE: NO:
OFFSITE DOSE DRn f F('T T n'19 F9TTMSTT*?C ATRROR*JP DPrPA9F RATF9 1004 04 , , , , PAGE g n r j o-G,. ARKANSAS NUCLEAR ONE aevision n oaTE n>ii,/a, U . _ . CHANGE DATE t
-3., r, . ~ ...,, m,.e .e 7j-, ARKANSAS POWER & LIGHT COMPANY g7 Arkansas Nuclear One TIT L E. ..FN'K!NITORFD PFIFUFS MF m FD T W.R g l FORM NO pg g REV. y u PC 0 1.0 Source location: _
2.0 Measurement time & date: / , Time Date ' 3.0 Area noble gas concentration (pCi/cc as Xe-133) 4.0 Area airborne radiciodine concentration (pCi/cc as I-131) 5.0 Area total ventilation discharge flow (CFM) 6.0 Estimate Q gas for this source:
-*"2 m ;--i P&D-_'-_ '
(CfM) x 4.71E-4 ,3j,,c (pCi/cc) x
. Line 3.0 Lane 5.0 Q =
y gas (Ci/Sec) 7.0 Estimate Q-Iodine for this sourie: (pCi/cc) x (CFM) x 4.71E-4 * , ,"1 , Line 4.0 Line 5.0
= (Ci/Sec) e -
y-Iodine Performed By: / Initial fame Revined By: w.vr J . t* m>.New , l r i g n- - - - e _ , - - - -
t PLANT MANUAL SECTION: PROCEDURE / WORK PLAN TITLE: NO: OFFSITE DOSE onn !r.cTT.nife.
. - - r cT. T sf AT
-- - -.T *'c -s T..orin e u r ot.rrAcr pATre l o n /1 n!1
[') V ARKANSAS NUCLEAR ONE aevisiON CHANGE o oaTE DATE n>,,,,e,
-n, ,,
I ,.~. . =. .+ 1 ARKANSAS POWER & LIGHT COMPANY Arkansas Nuclear One T:TtE- F0FMA P40. ,y,,g,y
. . , , , - en- revegere wrAciten .a-enonce.
REV. # U PC k 1.0 Source location: 2.0 Measurement time & date: / I Time Date 3.0 Distance from source: (ft) 4.0 Plwne width at this distance: (ft) NOTE: One mile = 5280 teet, wp 5.0 Maximu:n gamma dose rate at this distance: (mR/hr) ,gg. w w., 6.0 Maximum iodine concentration at this distance: (pCi/cc as I-131) V 7.0 Gamma dase rate at the equivalent upwind distance: (mR/hr) 8.0 Current kindspeed: mph 9.0 Based on the plume width line 4.0, read and record the fintte plume cor-rection factor from Figure 3 for a plume of this width: 10.0 Estimate Q gas for this source: 2 [ ( (ft)) * (mR/hr) - (aR/hr)
- l Line 4.0 * (Line 5.0 Line 7.0 l
(mph) = (Ci/Sec) Line 6.0 * ~L'ane 9.0 Q gas 11.0 Esttm.ite Q-lodine f or this source: 2 ( ( f t)) x 8. lbE-3 x ( Ci/cc) x (mph) = (Ci/Sec) Line 4.0 'ine 6.0 Line h.0 Q-lodine l Perf ormed Py: / l Initial D.ste Reviewed by: __ l l t e *
~ ~
PLANT M ANUAL SECTION: PROCEDURErNORK PLAN TITLE: NO: OFFSITE DOSE PROTFrTinYq F9Titf tT T *?C .\ f R Rn9 5_'F PPTFARF RATF9 1005_04 PAGE in nr jo (~~'- (- ARKANSAS NUCLEAR ONE aEvision CHANGE n oATE DATE A7,i,,se FIGURE 1 AIRBORNE RELEASE ?!ONITORS AT ANO AIRBORNE ErlERGENCY NORf!AL RELEASE SPING DESIGNATION RANGE ?!ONITOR RANGE ?!ONITOR FLOW PATil t!ONITOR nut!BER DESIGNATION DESIGNATION INSTRUt!ENT ANO-1 Cont. Purge Rx-9820/ttonitor 1 Flodel Rt1S II ANO-1 Radwaste Rx-9825/flonitor 2 (See 1904.03) RE-7400 FR-8001 ANO-1 Fuel Hd. Rx-9830/flonitor 3 None ANO-1 !!2 Purge "A" RI-7441A RI-7441 FI-7441 ANO- 1 11 2 Purge "B" RI-7442A RI-7442 FI-7442 Rx-9835/flonitor 4 ANO-1 Pen. Vent "A" None RI-2120 FI-2120
/
(3j ANO-1 Pen. Vent "B" J ( None RI-2130 FI-2130 PASS Bldg. 2Rx-9840/flonitor 9 None None None ANO-2 Cont. Purge 2Rx-9820/flonitor 5 - 2RITS-8233 2FR-8315 flodel Rf!S II ANO-2 Radwaste 2Rx-9825/flonitor 6 (See 1904.03) 2RITS-8542 2FR-8315 ANO-2 Fuel lid. 2Rx-9830/flonitor 7 None 2RITS-8540 2FR-8315 ANO-2 11 2 Purge None 2RITS-8231-1 2FI-8277-1 ANO-2 Pen. Vent "A" None 2RITS-8845-1 2FIS-8827-1 2Rx-9835/flonitor 8 ANO-2 Pen. Vent "B" None 2RITS-8846-2 2FIS-8828-2 ANO-2 Aux Bldg Ext 2Rx-9845/flonitor 10 None 2RITS-7828 2FR-7828 Indirect, based upon containment leak rate & PASS / Alt!S remote sample and analysis. (See Section 7.0 of this procedure.) J
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PLANT M ANUAL SECTION: PROCEDURE / WORK PLAN TITLE: NO: OFFSITE DOSE onnTrginec pqTT*f ATim A_ ynnnpur pri r ARr PM I E,. n ", su A PAGE 19 nf 19 ARKANSAS NUCLEAR ONE le;isio" ,, n
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- l ARKANSAS POWER & LIGHT COMPANY
. l'x Arkansas Nuclear One .
.)
FORM NO gggg gg
- REC 0hD OF CHANGES AND REVISIONS 0FFSITE DOSE PROJECTIONS REV. # 8 PC #
s j AltlUSPflERIC SfABILITY CLASS DETEPJ11 NATION s ND 1904.05 REV. 0 f)
\ N-
,, j i
-( >;
'" l 's ' 2 mm
, , , ' tJ s
'l #
t J t ,s 'n l
'm ..- ==
)'PAGE REV PC# PAGE REV PC# PAGE REV PC# PAGE REV PC# PAGE REV PC#
1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0
- APPROVED BY: APPROVAL DATE Os ; /.. /5 u
/m . ,-fe REQUIRED EFFECTIVE DATE:
;/ (General Manager)
/
PLANT M ANUAL SECTION: PROCEDURE / WORK PLAN TITLE: NO: OFFSITE DOSE ATMOSPIIERIC STABILITY DD A Yr rT T nt'C {TARC nrTrP* f Y " \ T T Anf 1006 nq PAGE 1 nr o (t') x_/ ARKANSAS NUCLEAR ONE aEvisioN CHANGE n -oATE DATE n.,,,,-, 1.0 PURPOSE The purpose of this procedure is to allow determination of the atmospheric stability category based upon the position of the sun, the wind speed, and cloud conditions. 2.0 SCOPE 2.1 This procedure should be used when 00 and AT information from the onsite meteorological tower are unavailable or are known to be inac-curate. 2.2 This procedure may be used to check stability class projections made from the onsite meteorological tower.
3.0 REFERENCES
3.1 References Used in Procedure Preparation 3.1.1 Personal Communication from Lee liarrison of the National Weather Service in North Little Rock, Arkansas (Lee liarrison to J. Tim Pugh, 3/26/82) (D (f _ 3.1.2 U.S. Department of Transportation / Federal liighway Admini-stration, Region 15, Demonstration Project No. 38 3.1.3 Smithsonian Meteorological Tables, List, Sixth Revised Edition 3.1.4 "A Diffusion Model for an Urban Area", D.B. Turner, 1964, Journal'of Applied Meteorology, February 1964, p. 91 3.~2 References Used in Conjunction with this Procedure None 3.3 Related ANO References 3.3.1 1904.02, "Offsite Dose Projections, Pocket Computer Method" 4.0 DEFINITIGNS 4.1 Total Cloud Cover - Fractional portion of the sky obscured by clouds, expressed in tenths (including clouds at all altitudes). 4.2 Ceiling - Ifeight above the surface (in feet) of the bottom of the lowest layer of clouds, smoke, etc., which contributes to obscuring the sky. 7g i v)
, PLANT MANUAL SECTION: PROCEDURE / WORK PLAN TITLE- NO-0FFSITE DOSE ATMOSPHERIC STABILITY
, PPnTFrTTOUR PTARR DFTFPFf f M ATTny 1o04.05 PAGE 9 nf g .
t ARKANSAS NUCLEAR ONE aevision n oaTE n7einia2 CHANGE DATE 4.3 Solar Declination - The angle of the sun north (+) or south (-) of the equator. 4.4 Solar Angle - The compound angle of the sun above the horizon. 4.5 Insolation Class - The relative strength of sunlight falling at a location, based upon the solar angle and assucing clear skies. 4.6 Net Radiation Index - A measure of the net heat gain (+) or loss (-) by the earth's surface, based upon the insolation class and cloud con-ditions. 4.7 Nighttime - The period from one hour before sunset to one hour after sunrise. 5.0 CALCULATION OF THE SOLAR ANGLE 5.1 For nighttime conditions, the solar angle need not be calculated and the user can proceed directly to Section 6.0. 5.2 Enter the current standard (i.e. not daylight) time on Form 1904.05A line 1.1 in 24-hour format (i.e. 18:00 is equivalent to 6 p.m.) 5.3 Complete For.,1904.0$A to compute the solar angle. 6.0 DETERMINATION OF THE NET RADIATION INDEX AND STACILITY CLASS 6.1 Obtain the wind speed from the Corps of Engineers and the ceiling height (in feet) for the Russellville area from the National Weather Service. 6.1.1 The Corps of Engineers ph. 968-5008 6.1.2 The National Weather Service in North Little Rock, ph. 771-0971 or *.
- NOTE: To convert from knots (nautical miles per hour) to MPH (statute miles per hour), multiply the wind speed in knots by 1.15. The ceiling height can be estimated, if necessary.
6.2 The fractional cloud cover may be estimated by onsite or offsite personnel having a clear view of the sky. 6.3 Complete Form 1904.05B to calculate the net radiation index and the atmospheric stability class. l l L
PLANT MANUAL SECTiON: PROCEDURE / WORK PLAN TITLE: NO:
, OFFSITE DOSE Nir!OSPlfERIC STABILITY DDn rFrTTnt?q PTA99 DFTF R kt T *? A T T n'? I nOf, n; ) ARKANSAS NUCLEAR ONE PAGE aevisiON CHANGE q nr g n DATE DATE oviines, 7.0 ATTACli!!ENTS AND FORBIS 7.I Form 1904.05A " Calculation of the Solar Angle" 7.2 Table A-1 " Stability Class Determination (Causative Factors)"
7.3 Form 1904.05B " Determining the Net Radiation Index" 7.4 Table B-1 " Stability Class Determination (Causative Factors) O t i I l O
PLANT MANUAL SECTION: PROCEDUREN/ORK PLAN TITLE: NO:
. OFFSITE DOSE ATMOSPHERIC STABILITY
, D D A T T' f'T. T. A *' C f'I A C C DCTP D Af T *l A T T A *J 1006 nQ _
O ARKANSAS NUCLEAR ONE aEviSioN CHANGE a DATE DATE n7,,,,e, f
.wo . ..y eme ARKANSAS POWER & LIGHT COMPANY " O g 7 TtE Arkansas Nuclear One cy cri pron or rur cot to tNcfe l FORM NO. , ,, ,y3 REV . // 0 PC u ,, ,_
NOTE: This torm should only be completed for dayt tme hours (i.e. one hour IAh af ter sunrise to one hour before sunset). 1.0 Convert the present time (Central Standard Time) to the number of hours past midnight: 1.1 Enter the present time (Central Standard Time) as hours and minutes past midnight (i.e., Military Time): hours minutes. 1.2 Convert the minutes to fractional hours by dividing the number of minutes indicated in Step 1.1 by 00:
, minutes /60 min / hour = hours i;< -
^
1.3 Aid the number of hours indicated in Step 1.1 and the fractional i, arc inlicated in Step 1.2 to obtain the total number of hours past madatght: hours + f ractional hours = hours past midnight 2.0 Subtract 12 hours from the number of hours past midnight obtained in Step 1.3 to obtain the (positive or negative) hours past noon: hours past midnight - 12 hours = hours past noon 3.0 Multiply the hours fast noon (positive or negative) obtained in Step 2.0 by 15 deg./ hour to obtain the hour angle (6): H = hours past noon
- 15 deg./hr. = degrees 4.0 From Table A-1, obtain the solar declination (6) for the date nearest the present:
6= degrees
' * * "" ^
5.o Compute the solar ang!e (a) using tha t o l lo1. i n g formula: ( a : ASN ((0.578 sin 6) + (0.816 cos 6 cos d)) = _ degrees l NO~l E : The TRS-80 should be used f or this calculation. With the TRS-S0 in the RUN mode, type in the expression as above using values from 3.0 and 4.0 above. Le sure y enter all parenthesis. The j notation ASN i s equ t '.a le'it to sin PLEf0f0!ED BY: / Initials Time
*- a s .
l W#,.!4- 4 m
1 PLANT M ANUAL SECTION: PROCEDURDWORK PLAN TITLE: NO:
, OFFSITE DOSE ATMOSPHERIC STABILITY PPA TFFT Tn*?9 PTA99 DFTFPMTUATTnY 1004.05 PAGE s nf g f'T d ARKANSAS NUCLEAR ONE aEvisiON CHANGE n o*TE DATE 07/30 a, 1
TABLE A-1 l STABILITY CLASS DETERMINATION (CAUSATIVE FACTORS) l l Declination l l' l Declination ll l Declination l l Date l (Degrees) ll Date l (Degrees) ll Date l (Degrees) l l Jan. 1 l -23.07 ll May 1 l 14.83 ll Sep. 1 l 8.58 l l 5 l -22.70 ll 5 l 16.03 ll 5 l 7.12 l l 9 l -22.22 ll 9 l 17.15 ll 9 l 5.62 l l 13 l -21.62 ll 13 l 18.18 ll 13 l 4.10 l l 17 l -20.90 ll 17 l 19.15 ll 17 l 2.57 l l 21 l -20.08 ll 21 l 20.03 ll 21 l 1.02 l l 25 l -19.15 ll 25 l 20.82 ll 25 l -0.53 l l 29 l -18.13 ll 29 l 21.50 ll 29 l -2.10 l l Feb. 1 l -1/.J2 ll June 1 l 21.95 ll Oct. 1 l -2.88 l l 5 l -16.17 ll 5 l 22.47 ll 5 l -4.43 l l 9 l -14.92 ll 9 l 22.87 ll 9 l -5.97 l l 13 l -13.62 ll 13 l 23.17 ll 13 l -7.48 l l 17 l -12.25 ll 17 l 23.37 ll 17 l -8.97 l l 21 l -10.83 ll 21 l 23.45 ll 21 l -10.42 l (N l 25 l -9.38 ll 25 l 23.42 ll 25 l -11.83 l (_ I l l ll 29 l 23.28 ll 29 l -13.20 l l Mar. 1 l -7.88 ll July 1 l 23.17 ll Nov. 1 l -14.18 l l 5 l -6.35 ll 5 l 22.87 ll 5 l -15.45 l l 9 l -4.80 ll 9 l 22.47 ll 9 l -16.63 l l 13 l -3.23 ll 13 l 21.95 ll 13 l -17.75 l l 17 l -1.65 ll 17 l 21.35 ll 17 l -18.80 l l 21 l -0.08 (( 21 l 20.63 ll 21 l -19.75 l l 25 l 1.50 ll 25 l 19.83 ll 25 l -20.60 l l 29 l 3.07 ll 29 l 18.95 ll 29 l -21.35 l l Apr. 1 l 4.23 ll Aug. 1 l 18.23 ll Dec. 1 l -21.68 l l 5 l 5.77 ll 5 l 17.20 ll 5 l -22.27 l l 9 l 7.28 ll 9 l 16.10 ll 9 l -22.75 l l 13 _l 8.77 ll 13 l 14.92 ll 13 l -23.10 l l 17 l 10.20 ll 17 l 13.63 ll 17 l -23.33 j l 21 l 11.35 ll 21 l 12.38 ll 21 l -23.43 l l 25 l 12.93 ll 25 l 11.03 ll 25 l -23.42 l l 29 l 14.22 __ ll 29 l 09.65 ll 29 l -23.28 l l
PLANT MANUAL SECTION: PROCEDURE / WORK PLAN TITLE: NO:
, OFFSITE DOSE ATMOSPHERIC STABILITY DDn TPt'TY nVC
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ARKANSAS NUCLEAR ONE aEvisiOu CHANGE n o^rE DATE n>,40,R, y . ,v w o %o.#
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Page 1 of 2
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1.0 Based upon information avatlable (National Weather Services, Corps of - Engineers) or direct observation, enter tfie following information: 1.1 Cetting Height it. 1.2 Fractional Cloud Cover (in tenths) 2.0 for overcast: If the fractional cloud caver is 10/10 anil the teiling is less than 7000 teet, enter net radiation andex equal to 0 on line 5.0 (whether day or , night). 3.0 For Nighttime: 3.1 If total cloud cover (4/10, enter net radiation index equal to -2 on line 5.0. 3.2 If total cloud cover >4/10, enter net radiation index equal to -1 on line 5.0. 4.0 for Daytime: 4.1 Select the insglation class number as,a function of the solar angle (Form l'J04. 05 A , line 5.0) from the table below: SOLAR ANGLE INSOLATICN fa) INSOLATION CLASS NU?!BER a > 60* Strong 4 35' ( a { 60* Moderate 3 Slight 2 ,,g_; _ g. xw
^ + - ^*M 15* < a { 35*
a $ 15' Veak 1 Insolation Class Number
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I PLANT M ANUAL SECTION: PROCEDUREN/ORK PLAN TITLE: NO:
, OFFSITE DOSE ATMOSPIIERIC STABILITY PRnTFPTTOM9 l'LA99 DFTPRMIMATTOM -100lLn3 - '
'i PAGE 7 nf g P ARKANSAS NUCLEAR ONE aavision CHANGE n oara DATE o7/,o/s, l
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p/j Arkansas Nuclear One TITW nETf fetlNING THE NET RADI ATION INDEX l FORM NO. 3 ,33, g g REV. , u PC
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Page 2 of 2 ,
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4.2 If total cloud cover (5/10, enter a net radiation index on line 5.0 , numerically equal to the insolation class number on line 4.1. 4.3 If cloud cover >5/10, modify the insolation class number on line 4.1 by following these six steps: NOTE: Keep a running total nn the lines along the right margin. 4.3.1 Ceiling (7000 ft., subt ract 2. 4.3.2 Ceiling 27000 ft. but (16000 ft., subtract 1.
.1 _ _
4.3.3 Total cloud cover equal 10/10, subtract 1. (This will only apply to ceilings 27000 ft.) 1 j 4.3.4 If insolation class number has not been modified by Steps 4.3.1, 4.3.2, or 4.3.3 above, enter a net radiation index on line 5.0 numerically equal to the insulattan class number on line 4.1. 4.3.5 It modified insolation class number is less than 1, let it equal 1. 4.3.6 Enter a net radiation index on line 5.0 cor-responfling to the modified insolation class number on line 4.3.5. 5.0 Net Isadiation Index 6.0 Ent er the wind speed from the Corps of Engtueers. Wind Speed = mph e 7.0 Apply the wind speed and net radiation index listed above to . fobic B-1 to obt.iin the atmospheric stability class and record here: Atmospheric Stability Class = l l Perturmed Fy / . Inittals fame Revie+ed By:
r PLANT M ANUAL SECTION: PROCEDURE / WORK PLAN TITLE: N O-
. OFFSITE DOSE ATr!0SPifERIC STABILITY DD A TI'f'T T fWR PYACR YTTf'D*f T *? AT Y (W i ti n h n;
*g PAGE ~q nr p (j ARKANSAS NUCLEAR ONE aEvisioN CHANGE n oaTE DATE
,,,,, ore, TABLE B-1 STABILITY CLASS DETER?lINATION (CAUSATIVE FACTORS)
STABILITY CLASS AS A FUNCTION OF NET RADIATION AND WIND SPEED I Wind Speed l Net Radiation Index l 1 (?!Pll) l 4 1 3 1 2 l 1 l 0 l -1 l -2 I I I I l l l l l l l 0 - 2.3 I A l A I B l C l D I F l G l l l 1 l . l l l l I l- 2.3 - 4.6 I A l B l B l C l D l F l G l l l l I I I I l l l 4.6 - 6.9 l A I B l C l D I D l E l F I l I I I I I I l 1 l 6.9 - 8.1 l B l B l C l D I D I E I F l 1 l I I I I I I l l 8.1 - 9.2 i B l B l C I D I D I D l E l 1 I I I l 1 l l 1 l 9.2 - 11.5 l B l C l C l D l D l D l E I O i l 11.5 - 12.7 i l C i I C i l D i l D i I D i l D i l D i l I I I I I I I I I l 12.7 - 13.8 I C l C l D l D I D I D l D l 1 I l l l l l 1 I I >l3.8 I C I D I D l D l D l D l D l O}}