TXX-4348, Forwards Draft Offsite Dose Calculation Manual & List of Changes to 841028 Draft

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Forwards Draft Offsite Dose Calculation Manual & List of Changes to 841028 Draft
ML20094B263
Person / Time
Site: Comanche Peak  Luminant icon.png
Issue date: 10/31/1984
From: Beck J
TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To: Youngblood B
Office of Nuclear Reactor Regulation
Shared Package
ML20094B265 List:
References
TXX-4348, NUDOCS 8411070081
Download: ML20094B263 (2)


Text

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TEXAS UTILITIES GENERATING COMPANY Log # TXX-4348 saywAv sowen . ... xonru oLivs urneur, t.n. an . DALLAN,rEXAM T320: FiIe # 916 October 31, 1984 Mr. B. J. Youngblood, Chief Licensing 2 anch No. 1 Division of Licensing Office of Nuclear Reactor Regulation U. S. Nuclear Regulatory Commission Washington, D.C. 20555

SUBJECT:

COMANCHE PEAK STEAM ELECTRIC STATION DOCKET NOS. 50-445 AND 50-446 0FFSITE DOSE CALCULATION MANUAL

Dear Mr. Youngblood:

Enclosed is the latest draft of the Comanche Peak Offsite Dose Calculation Manual (0DCM). On October 28, 1982 the previous draft

-of this ODCM was submitted to the NRC along with the proposed Technical Specifications. This latest draft (dated October 1984) is being sent with an attached list of changes between the two drafts.

If you have any questions, please call Richard Werner at (214) 979-8227.

Sincerely, f

John W. Beck /

Manager, Licensing RAW: tis Enclosure 8411070081 841031 PDR ADOCK 05000445 A PDR 1

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, , h, ODCM CHANGES

1'...Page vi . Introduction changed to include reference to RM-21 Report Processor.

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2. Page 1-2 Section '1.1.2. Changed maximum effluent. flow rate to 100 gpm. Since XRE-5253 is an in-line process monitor, it only allows 46 gpm to flow'past it.

This gives a built-in-safety factor of 2.'2.

~

J3. Page 1-3 Section 1.1.3- The Allocation Factor was deleted due to the implemen-tation of the Waste Water Management System.

14.- Page 1-4 Section 1.1.4 Changed f to 100 gpm and deleted AF.

5. .Page 1-7 Section 1.2 ' Cha'nged calculation to use actual effluent flow rate for
dose calculations.since it~is available. ,
6.1 Page 1-11 Section 1.3 Added radiation monitor 1RE-4269 because it is also a

-service water effluent monitor.

l

7. . Page 1-12 Section 1.4 Changed method of calculating setpoint for Turbine Building Sump effluent radiation monitor becuase of the implementation of the Waste Water
i. _ .

Management System.

~8.- Page 1-13 Figure-1.1 Changed figure to incorporate the implementation of the i Waste Water Management System.

9. Page 2-2 Section 2.1.la ' Moved "D'ose Rates due to NobleGases" section in front of setpoint calculation for noble gas monitors.
10. 'Page 2-3 Section 2.1.lb Added radiation monitors _XRE-5567A/B since they are also ,

plant vent stack noble gas monitors.

j' 11. Page 2-5 Section 2.1.1c Added setpoint calculation for auxiliary building vent-11ation exhaust monitor XRE-5701.

12. Page 2-6 Section 2.1.1d Added setpoint calculation for containment atmosphere gaseous monitor 1RE-5503.
13. Page 2-11~Section 2.2.1 Changed calculation to use the actual X/Q valve if >

-available for dose calculations.

14. Pagn 2-30 Table 2.7 Changed values to reflect changes in Table 2.8. .

_ = 15. : Page 2-31 Table 2.8 Changed controlling receptor locations, pathways and age groups to reflect latest land use census.

16. Pace 3-1 Section 3.2 ' Moved Interlaboratory Comparison Program to this section since it pertains to environmental monitoring.

-17.- Page 3-2 Table 3.1 Updated to reflect latest changes in the environmental ,

sampling locations. ~

18. Page 3-6 Figure 3.1 Updated to reflect latest changes in the environmental sampling locations.

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