ML050210083

1/14/05, TS - Byron- Issuance of Amendment Reactor Coolant System Leakage Detection Instrumentation

ML050210083
Person / Time
Site:	Byron
Issue date:	01/14/2005
From:	Sands S NRC/NRR/DLPM/LPD3
To:	Crane C Exelon Generation Co
Dick G F, NRR/DLPM, 415-3019
Shared Package
ML050250408	List: ML043550025 ML050210083 ML050210091
References
TAC MC0508, TAC MC0509
Download: ML050210083 (3)

Text

RCS Leakage Detection Instrumentation 3.4.15 3.4 REACTOR COOLANT SYSTEM (RCS) 3.4.15 RCS Leakage Detection Instrumentation LCO 3.4.15 The following RCS leakage detection instrumentation shall be OPERABLE:

a. One containment sump monitor; and

b. One containment atmosphere particulate radioactivity monitor.

APPLICABILITY: MODES 1, 2, 3, and 4.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. Required containment ------------- NOTE------------

sump monitor LCO 3.0.4 is not applicable.

inoperable.

A.1 --------- NOTE--------

Not required to be erformed until 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after establishment of steady state operation.

Perform SR 3.4.13.1. Once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> AND A.2 Restore required 30 days containment sump monitor to OPERABLE status.

(continued)

BYRON - UNITS 1 & 2 3.4.15 - 1 Amendment 140

RCS Leakage Detection Instrumentation 3.4.15 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B. Containment atmosphere ------------- NOTE------------

particulate LCO 3.0.4 is not applicable.

radioactivity monitor inoperable.

B.1.1 Analyze grab samples Once per 24 of the containment hours atmosphere.

OR B.1.2 ---------NOTE--------

Not required to be performed until 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> after establishment of steady state operation.

Perform SR 3.4.13.1. Once per 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> AND B.2 Restore containment 30 days I atmosphere particulate I radioactivity monitor to OPERABLE status.

C. Required Action and C.1 Be in MODE 3. 6 hours6.944444e-5 days <br />0.00167 hours <br />9.920635e-6 weeks <br />2.283e-6 months <br /> associated Completion Time not met. AND C.2 Be in MODE 5. 36 hours4.166667e-4 days <br />0.01 hours <br />5.952381e-5 weeks <br />1.3698e-5 months <br /> D. All required monitors D.1 Enter LCO 3.0.3. Immediately inoperable.

BYRON - UNITS 1 & 2 3.4.15 - 2 Amendment 140

RCS Leakage Detection Instrumentation 3.4.15 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.4.15.1 Perform CHANNEL CHECK of the containment 12 hours1.388889e-4 days <br />0.00333 hours <br />1.984127e-5 weeks <br />4.566e-6 months <br /> atmosphere particulate radioactivity monitor.

SR 3.4.15.2 Perform COT of the containment atmosphere 92 days particulate radioactivity monitor.

SR 3.4.15.3 Perform CHANNEL CALIBRATION of the required 18 months containment sump monitor.

SR 3.4.15.4 Perform CHANNEL CALIBRATION of the 18 months containment atmosphere particulate radioactivity monitor.

BYRON - UNITS 1 & 2 3.4.15 - 3 Amendment 140