ML24019A119

Technical Specification 3.1.6, Rod Pattern Control

ML24019A119
Person / Time
Site:	Browns Ferry
Issue date:	04/08/2021
From:	Tennessee Valley Authority
To:	Office of Nuclear Reactor Regulation
Green K, NRR/DORL/LPL2-2
Shared Package
ML24019A097	List: ML24019A112 ML24019A117 ML24019A119 ML24019A132 ML24019A134 ML24019A148 ML24019A151 ML24019A172
References
Download: ML24019A119 (1)

Text

Rod Pattern Control 3.1.6 BFN-UNIT 3 3.1-20 Amendment No. 212 3.1 REACTIVITY CONTROL SYSTEMS 3.1.6 Rod Pattern Control LCO 3.1.6 OPERABLE control rods shall comply with the requirements of the banked position withdrawal sequence (BPWS).

APPLICABILITY:

MODES 1 and 2 with THERMAL POWER d 10% RTP.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One or more OPERABLE control rods not in compliance with BPWS.

A.1

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NOTE------------

Rod worth minimizer (RWM) may be bypassed as allowed by LCO 3.3.2.1, "Control Rod Block Instrumentation."

Move associated control rod(s) to correct position.

8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> OR A.2 Declare associated control rod(s) inoperable.

8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> (continued)

Rod Pattern Control 3.1.6 BFN-UNIT 3 3.1-21 Amendment No. 212 ACTIONS (continued)

CONDITION REQUIRED ACTION COMPLETION TIME B. Nine or more OPERABLE control rods not in compliance with BPWS.

B.1

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NOTE------------

Rod worth minimizer (RWM) may be bypassed as allowed by LCO 3.3.2.1.

Suspend withdrawal of control rods.

Immediately AND B.2 Place the reactor mode switch in the shutdown position.

1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />

Rod Pattern Control 3.1.6 BFN-UNIT 3 3.1-22 Amendment No. 212, 298 April 8, 2021 SURVEILLANCE REQUIREMENTS SURVEILLANCE FREQUENCY SR 3.1.6.1 Verify all OPERABLE control rods comply with BPWS.

In accordance with the Surveillance Frequency Control Program