ML20215K600

Rev 10 to Offsite Dose Calculation Manual for South Carolina Electric & Gas Co,Vc Summer Nuclear Station

ML20215K600
Person / Time
Site:	Summer
Issue date:	01/31/1987
From:	SOUTH CAROLINA ELECTRIC & GAS CO.
To:
Shared Package
ML20215K569	List: ML20215K567 ML20215K581 ML20215K600 ML20215K616
References
PROC-870131, NUDOCS 8705110265
Download: ML20215K600 (2)

Text

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> Control Copy No.

OFFSITE DOSE CALCULATION MANUAL FOR SOUTH CAROLINA ELECTRIC AND GAS COMPANY VIRGIL C. SUMMER NUCLEAR STATION N hb,AhW 1hb h h liUh DdhiB'lis'bil!Cd !J REVISION 10 Approved by the PSRC Revision 10 w

R u88 = n888 PDR 6

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The maximum permissible flow rate will be set on the same basis but including the engineering safety factor of 0.5. The RM-A10 setpoint level So isdefined as:

5, 5 1.5c (5) where:

c = count rate of the waste gas decay system monitor corresponding to the measured concentration (uci/ml). CH&-

gcV '*

The maximum permissible waste gas flowrate f,(cc/sec) is calculated from the maximum permissible dose rates at the site boundary according to:

f,5 the lesser of f, or f, (6) where:

f, = the maximum permissible discharge rate based on total body dose rate.

= 0.25 x Da + [X/Q x 1.5 X,, K,] (7) f, = the maximum permissible discharge rate based on skin dose rate.

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= 0.25 x D33 + [X/O x 1.5 E X,,(L, + 1.1M,)] (8)

X,, = the concentration of noble gas radionuclide iin the waste gas decay tank whose contents are to be discharged,- as corrected to the CH6-i pressure of the discharge stream at the point of the flowrate RcV '

I measurement. The maximum discharge pressure as governed by the diaphragm valve,7896,is 30 psia.

The factor of 1.5 in the denominators of equations (7) and (8) places f, on the same basis as So.

O ODCM, V.C. Summer, SCEandG: Revision 10 (January,1987) 2.0-5

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