ML24019A119
| 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: |
| 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
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
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