ML24019A134

Technical Specification 3.3.2.1, Control Rod Block Instrumentation

ML24019A134
Person / Time
Site:	Browns Ferry
Issue date:	09/03/1998
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: ML24019A134 (1)

Text

Control Rod Block Instrumentation 3.3.2.1 BFN-UNIT 3 3.3-16 Amendment No. 213 September 03, 1998 3.3 INSTRUMENTATION 3.3.2.1 Control Rod Block Instrumentation LCO 3.3.2.1 The control rod block instrumentation for each Function in Table 3.3.2.1-1 shall be OPERABLE.

APPLICABILITY:

According to Table 3.3.2.1-1.

ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME A. One rod block monitor (RBM) channel inoperable.

A.1 Restore RBM channel to OPERABLE status.

24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> B. Required Action and associated Completion Time of Condition A not met.

OR Two RBM channels inoperable.

B.1 Place one RBM channel in trip.

1 hour1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> C. Rod worth minimizer (RWM) inoperable during reactor startup.

C.1 Suspend control rod movement except by scram.

Immediately OR (continued)

Control Rod Block Instrumentation 3.3.2.1 BFN-UNIT 3 3.3-17 Amendment No. 213 September 03, 1998 ACTIONS CONDITION REQUIRED ACTION COMPLETION TIME C. (continued)

C.2.1.1 Verify 12 rods withdrawn.

Immediately OR C.2.1.2 Verify by administrative methods that startup with RWM inoperable has not been performed in the last calendar year.

Immediately AND C.2.2 Verify movement of control rods is in compliance with banked position withdrawal sequence (BPWS) by a second licensed operator or other qualified member of the technical staff.

During control rod movement D. RWM inoperable during reactor shutdown.

D.1 Verify movement of control rods is in compliance with BPWS by a second licensed operator or other qualified member of the technical staff.

During control rod movement (continued)