3.3 Instrumentation

Question 1

3.3.1

Answer 1

RPS Instrumentation - Operating
Table for modes
Four RPS trip and bypass removal channels for each Function in the table shall be operable

Question 2

3.3.2

Answer 2

RPS - Shutdown
Table for modes
Four RPS trip and bypass removal channels for each Function in Table shall be operable.

Question 3

3.3.3

Answer 3

CEACs
Modes 1 & 2
Two CEACs shall be operable in each CPC channel

Question 4

3.3.4

Answer 4

RPS Logic and Trip Initiation
Modes 1-2
Modes 3-5 with any RTCBs closed and any CEAs capable of being withdrawn
Six channels of RPS matrix logic, four channels of RPS initiation logic, four channels of RTCBs, and four channels of Manual Trip shall be operable.

Question 5

What condition in 3.3.4 can make you immediately trip?

Answer 5

Condition D - two channels of RTCBs, manual trip or initiation logic affecting the same trip leg inoperable then Immediately open affected RTCBs.

Question 6

3.3.5

Answer 6

ESFAS Instrumentation
Table for modes
Four ESFAS trip and bypass removal channels for each function in the table shall be operable(SIAS/CIAS/CSAS/MSIS/RAS/AFAS-1/AFAS-2)

Question 7

3.3.6

Answer 7

ESFAS Logic and Manual Trip
Table for modes
Six channels of ESFAS matrix logic, four channels of ESFAS Initiation logic, two channels of actuation logic, and four channels of manual trip shall be operable for each function in the table.

Question 8

3.3.7

Answer 8

DG - Loss of Voltage Start
Modes 1-4 and when DG is required to be Operable per LCO 3.8.2
Four channels of loss of voltage function and degraded voltage function auto initiation function per DG shall be operable

Question 9

3.3.8

Answer 9

CPIAS
Modes 1-4, during core alterations, during fuel movements in containment
only when the Pen is not isolated by at least one automatic closing valve, closed manual valve, or blind flange
ONE CPIAS channel shall be operable

Question 10

3.3.9

Answer 10

CREFAS
Modes 1-6 during fuel movements
One CREFAS channel Operable

Question 11

3.3.10

Answer 11

PAM Instrumentation
Modes 1-3
PAM instrumentation for each function in a table shall be operable (Misc indications)

Question 12

3.3.11

Answer 12

Remote Shutdown System
Modes 1-3
Remote shutdown system instrumentation functions in the table and each Remote Shutdown system disconnect switch and control circuit shall be operable

Question 13

3.3.12

Answer 13

BDAS
modes 3-6 (required in mode 3 w/in 1 hour of neutron flux being in SU range after shutdown)
Two channels of BDAS shall be operable.