TS 3.1.2 SDM - RX Trip Breakers Closed

Question 1

Reactivity shall be controlled by what 3 things?

Answer 1

a. SDM shall be > COLR value
b. K(N-1) shall be <0.99 when Tc < 500F
c. RX Criticality shall not be achieved with shutdown group CEA movement

Question 2

MODES of applicability?

Answer 2

Modes 3, 4 and 5 with RX Trip Breakers CLOSED and CEA drive system capable of CEA withdrawal

Question 3

SDM not in Limits?

Answer 3

CONDITION A: Borate in 15 minutes

Question 4

K(N-1) not in Limit OR RX criticality by Shutdown group?

Answer 4

Vary CEA’s AND Borate (both in 15 minutes)