ML20150C227
| ML20150C227 | |
| Person / Time | |
|---|---|
| Site: | Farley  |
| Issue date: | 09/18/1987 |
| From: | ALABAMA POWER CO. |
| To: | |
| Shared Package | |
| ML20150C208 | List: |
| References | |
| FNP--M-11, FNP-0-M-011, NUDOCS 8803180078 | |
| Download: ML20150C227 (6) | |
Text
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*~ '0 ENP-0-M-011 h September 4,1987 Revision 4 AIABAMA POWER COMPNU JOSEPH M. FARLEY NUCLEAR PIANT j UNITS 1 AND 2 S
A F E T Y OFFSITE DOSE CALCULATION ENUAL R E L E D Approved:
$.0.
Technical Manager Date Issued: 9-/8-87 List of Effective Page Page Rev. 1,11 2 1-8 2 9-20,22-24,28-32,34-38 0 21,25-27,33 3 DOCU!/F.HT C.OWOL 39,41,42,46,49 1 c,g;.g;;GUiiD COPY 40,44,47,48 2 - 43,45,50,51 D,' y,'", N ' o.""PI(CDUCE 4 co nN ODcv3 V 8803180078 880314 PDR 4 DOCK 05000348 g DCD 03/14 16:02 _ 73050.41 ..#02_0F._02
PROC M ME: FDP . 0-pf . 0}l REVISION: 4/ Description of Change Reason for Change
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FNP-0-M-011. , TABLE 3.12-1 (con't) .
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i EXPOSURE PAT 11WAY AND/OR SAMPLE SAMPLE LOCATIONS SAMPLE IDENTIFICATION ,
- 4. INGESTION A. Milk Indicat.or Station:
None - l Control Station: Ray Lewis Dairy Ashford, Ala. (WSW-14) MB - 1114
- b. Fish Indicator Station:
Smith Bend (River Mile-41) Game Fish FGI Bottom Feeding Fish FBI Control Station: Andrews Lock & Dam Reservoir (River Mile-47) Game Fish FGB Bottom Feeding Fish FBB
- c. Forage Indicator Stations:
South Southeast Perimeter (SSE-1.0) FI - 0701 North Perimeter (N-0.8) FI - 1601
- South Perimeter (S-1.0) FI - 0801
- Northeast Perimeter (NE-1.0) FI - 0201 Control Station:
Dothan, Alabama (W-18) FB - 1218
- Alternate forage plots.
43 Rev. 4 EIN ODCM/ll
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FNP-0-M-011 3.3.3.11 : Determination of AlarnVrrip Setpoints-for Gaseous Monitors A. R-15 and R-22 alarm setpoints and R-14 trip setpoint will .l' be calculated based on.the most restrictive'of the following release-dose rates:. 14
- 1) I K oi ,<
i 500 mrem /yr F, I i=1 (X/Q)v 10' pci/ Ci
- F where, i = subscript numbering noble gases in consideration Kg = the total body dose factor due to gama emissionsforidenti{iednoblegasisotope ,
i (mrem /yr per pCi/m ) from Table 3. Q, i
=
average release rate of isotope i from release point v ( C1/sec) v = subscript indicating release point in consideration (turbine building vent or plant stack) F, = release fraction allotted to release point in consideration (X/Q), = highest value of annual average atmospheric dispersion factor at site boundary for all sectors (sec/m ) (X/Q), = 7.5x10" sec/m' (X/0), 1.2x10" sec/m' F = safety factor to account for possible sampling and monitoring error and allow advance warning of approaching limit = 2 14
- 2) I ( L, +1.1 tii ) Q, , < 3000 mrenVhr Fy i=1 (X/Q)v 10' pci/gCi
- F Li = skin dose factor due to beta emmissions foridentifiednob}egasisotopei (mrem /yr per pel/m ) from Table 3 50 Rev. 4
.= .c FNP-0-M-Oll M, -
air dose factor due to gamma emissions for identifie noble gas isotope i (mrad /yr-per pci/m ) from Table 3 B. Rather than calculating 3.3.3.ll.A.1 or 3.3.3.ll.A.2 using 7 real time parameters, the actual monitor setpoints may be calculated for the worse case condition (thus more conservative) count rate based on the worst isotope release-dose rate Q as follows and need not be changed, except based on.rea,pportioning of allotted release fraction from operating experience as mentioned above. From Table 3, Kr-89 would be the most restrictive isotope in either the total body or skin dose restrictions. Assuming that the total release consists of Kr-89, the skin dose equation is more t'estrictive than the whole body dose equation, and the release-dose rate limit would be calculated as: Q, = 3000 mre Wyr F, (X/Q), 10; pci/ Ci* F* (L,+1.lM, ), and Q,, = 6.9x10' Ci/sec (F,) Q,, = 4.3x10' pCi/sec (F,) Based on maximum flow rate and conservative detector efficiency, the monitor setpoints S, (cpm) may be calculated as follows: S, = 0, + b, where (c)(f,) b= monitor background count rate (cpm) c= gross monitor calibration factor (uci/ml per net cpm)
= u+ m, where u= isotope concentration ( Ci/ml) in the monitor at time of grab sample calibration (Noble gas release rate calculations) f, = maximum effluent flow rate (ml/sec) m= net monitor reading (cpm) at time of grab sample calibraticn (release rate calculations) 51 Rev. 4
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