ML20063M747

Public Version of Changes to Facility Emergency Action Levels

ML20063M747
Person / Time
Site:	Byron
Issue date:	08/17/1982
From:	COMMONWEALTH EDISON CO.
To:
Shared Package
ML20063M743	List: ML20063M745 ML20063M747
References
4773N, NUDOCS 8209160086
Download: ML20063M747 (1)

Text

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ATTACHMENT A Changes to the Byron Emergency Action Levels 1.

The following EAL will be added to the 31ert category:

Loss o f most or all alarm capability of annunciators in the Main Control Room.

2.

The following EAL will be added to the Site Area Emergency category:

Loss of most or all alarm capability of annunciators in the Main Control Room and a plant transient is in progress.

3.

The following EAL will be added to the Site Area Emergency category:

A condition that warrants activation o f the Emergency Operations Facility and monitoring teams, or conditions that warrants notification of the public by State and local agencies.

4.

The following EAL conditions will be changed to incorporate actual monitor numbers:

a.

Loss of Fission Product Barriers:

Primary Containment Radiation is observed in units of R/hr on the RM-ll Display Console for 1(2)RE-AR020 or 1(2)RE-AR021.

b.

Fuel Handling Acciden t :

Radiation levels in the Fuel Handling Building are observed in units o f mR/hr on the RM-ll Display Console for ORE-AR055 or ORE-AR056.

c.

Gaseous Radiation Releases from the plant:

Observed in units of cpm

• on the RM-ll Display Console for 1( 2 ) RE-PR 028.

d.

Licuid Radiation Releases from the plant:

Measured by counting instrumentation or observed in units of cpm

• on the RM-ll Display Console for ORE-PR001.

5.

The EAL for Site Area Emergency regarding Loss of Primary Cool-ant will be changed to the following:

Primary system leakage is beyond makeup capabilities of charging pumps (such as when there is a rapid f ailure o f steam generator tubes).

• Actual limits in cpm cannot be determined until equipment instal-lation is complete and calibration factors are determined.

In addition, due to the features of the computer based RM-11 display console, it may be possible to provide meaningful display in units other than cpm.

8209160086 820826 PDR ADC 0K 05000454 F

PDR wr-.

4773N

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