3.3 Instrumentation

Question 1

3.3.1 - RTS Instrumentation

Answer 1

Shall be OPERABLE per table
Separate entry is allowed for each function

Question 2

3.3.2 - RTS (Source Range Inst)

Answer 2

4 RTS SR channels shall be OPERABLE
* Applicability: Mode 2 (with IR flux below P6) and Mode 3, 4 and 5 with PLS capable of rod withdrawal or one or more rods not fully inserted

Actions
A. One INOP in Mode 2, place in bypass or trip within 2 hours
B. 2 INOP in MOde 2, one in trip and one in bypass within 2 hours
C. Required completion time of A or B not met, IMMEDIATELY suspend positive reactivity addition
D. 1 or 2 channels inop in Modes 3,4,or 5, restore 3 of 4 channels to OPERABLE within 48 hours
E. Action D not met, within 1 hour, inset all control rods and make rod control not capable of withdrawal
F. 3 or more channels INOP, IMMEDIATELY open RX trip breakers

Question 3

3.3.3 - RTS (Intermediate Range Inst)

Answer 3

4 IR RTS channels shall be OPERABLE
Applicability: Mode 1 with Power below P10 and Mode 2
Actions:
A. One Channel INOP with power ≥ P-6, place INOP channel in trip or bypass within 2 hours OR reduce power < P6 within 2 hours OR, Increase power to > P10 within 2 hours
B. Two Channel INOP with power ≥ P-6, Same as A but place one in trip and one in bypass
C. One or two channels INOP < P6, restore 3 out of 4 channels to OPERABLE prior to going above P6
D. 3 or more channels INOP, IMMEDIEALY suspend postive reactivity addition AND lower power <P6 within 2 hours and Mode 3 within 7 hours

Question 4

3.3.4 - RTS ESFAS Instrumentation

Answer 4

RTS ESFAS instrumentation shall be OPERABLE per table

Note: Separate entry is allowed for each function

Question 5

3.3.5 - RTS Manual Actuation

Answer 5

RTS manual actuation channels shall be OPERABLE per table
Note: Separate entry is allowed for each function

Question 6

3.3.6 - RTS Automatic Trip Logic

Answer 6

Four divisions of RTS Auto Trip logic OPERABLE

Applicability: Modes 1, 2, (and Modes 3, 4, and 5 with PLS capable of rod withdrawal or not all rods fully inserted)
Actions:
A. One or two divisions INOP in Mode 1 or 2, restore 3 of 4 within 6 hours
B. A not met, or 3 or more INOP in Mode 1 or 2, Mode 3 in 6 hours
C. One or 2 divisions INOP in Mode 3-5, restore 3 of 4 within 48 hours
D. C not met, or 3 or more division INOP in Modes 3-5, Within 1 hour, fully insert all rods and make rod control incapable of rod withdrawal

Question 7

3.3.7 - RTS Trip Actuation Devices

Answer 7

Four Divisions of Rx Trip Breakers and undervoltage and shunt trip mechanisims on in service RTBs shall be OPERABLE

Applicability: Modes 1, 2 (and Modes 3 - 5 with PLS capable of rod withdrawal or one or more rods not fully inserted).
Note: Separate condition entry is allowed for each function
Actions:
A. One or both Functions within one division INOP, open affected breaker within 8 hours.
B. One or both functions within two divisions INOP, restore 1 to operable within 1 hour
C. Completion time of A or B not met in modes 1 or 2, OR 3 divisions INOP, Mode 3 within 6 hours
D. Completion time of A or B not met in Modes 3-5, or 3 or more division INOP in Modes 3-5, Within 6 hours, fully insert all rods and make rod control incapable of rod withdrawal

Question 8

3.3.8 - ESFAS Instrumentation

Answer 8

Shall be OPERABLE per table

Note: Separate condition entry is allowed for each Function

Question 9

3.3.9 - ESFAS Manual Initiation

Answer 9

Shall be OPERABLE per table

Note: Separate condition entry is allowed for each Function

Question 10

3.3.10 - ESFAS RCS Hot Leg Inst.

Answer 10

ESFAS RCS Hot Leg Level instrumentation shall be OPERABLE per table

Note: Separate condition entry is allowed for each Function

Question 11

3.3.11 - ESFAS Startup Feedwater Flow Inst.

Answer 11

Two channels of ESFAS Startup FW Flow-Low 2 inst for each statrup feedwater line shall be OPERABLE
Applicability: Modes 1, 2, 3 (and Mode 4 with RCS not being cooled by RNS)
Note: Separate condition entry is allowed for each Function
Actions:
A. One or more startup feedwater lines with one channel INOP, place in trip within 6 hours.
B. Completion time not met, OR 1 or more startup feedwater lines with 2 channels INOP, Mode 3 within 6 hours and Mode 4 with RNS in service within 24 hours.

Question 12

3.3.12 - ESFAS Rx Trip Initation

Answer 12

3 ESFAS Rx Trip (P4) divisions shall be OPERABLE

Applicability: Modes 1, 2, 3, 4
Actions:
A. One required division INOP, restore within 6 hours
B. Completion time not met OR 2 or 3 required divsions INOP, IMMEDIATELY declare affected isolation valve(s) INOP, and Mode 3 within 6 hours and MODE 4 within 12 hours.

Question 13

3.3.13 - ESFAS MCR Isolation, Air Supply Initation, and Electrial Load De-energization

Answer 13

Shall be OPERABLE for each function per table
Note: Separate condition entry is allowed for each Function

Question 14

3.3.14 - ESFAS IRWST AND SFP Level Instrumentation

Answer 14

Shall be OPERABLE per the table
Note: Separate condition entry is allowed for each Function

Question 15

3.3.15 - ESFAS Actuation Logic - OPERATING

Answer 15

Four Divisions shall be OPERABLE with Coincidence Logic (LCL) and ESF actuation (ILP/SRNC/CIMs)

Applicability: Modes 1 -4
Note: Separate condition entry is allowed for each function
Actions:
A. One or more in 1 division INOP, restore within 6 hours
B. Time not met in A or One or More functions within two or more divisions INOP, Mode 3 within 6 hours and Mode 5 within 36 hours

Question 16

3.3.16 - ESFAS Actuation Logic - SHUTDOWN

Answer 16

Four Divisions shall be OPERABLE with Coincidence Logic (LCL) and ESF actuation (ILP/SRNC/CIMs)

Applicability: Modes 5, 6 and irradiated fuel movement
Note: Separate condition entry is allowed for each function
Note: Only the divisions necessary (A, B, & C) to support MCR Isolation, Air Supply Initation, and Electrical Load De-Energization are required to be OPERABLE while defueled and moving irradiated fuel
Actions:
A. One or more in 1 division INOP, restore within 72 hours
B. While in Mode 5 Time not met in A or One or More functions within two or more divisions INOP, IMMEDIATELY Suspended postive Rx addition, initiate actions to OPEN RCS and establish ≥ 20% pressurizer lvl, and initiate action to isolate the flow path from the DWS to the RCS be at least one closed/deactivated automatic or manual valve
C. While in Mode 6 Time not met in A or One or More functions within two or more divisions INOP, IMMEDIATELY Suspended postive Rx addition, initiate actions to establish water level ≥ 23 feet above the top of the reactor vessel flange.
D. During irradiated fuel movement Time not met in A or One or More functions within two or more divisions INOP, IMMEDIATELY Suspended fuel movement.

Question 17

3.3.17 - PAM Instrumentation

Answer 17

Shall be OPERABLE IAW table
APPLICABILITY: Modes 1 - 3

Notes:
LCO 3.0.4 is not applicable
Separate condition entry is allowed for each Function

Actions:
A. One or more functions with one channel INOP, restore within 30 days
B. Required completion time of A not met, 14 day report
C. One or more functions with 2 channels INOP, Restore 1 within 7 days
D. Required completion time of C not met, Mode 3 6 hours, Mode 4 12 hours

Question 18

3.3.18 - Remove Shutdown Workstation (RSW)

Answer 18

Shall be OPERABLE

Applicability: Modes 1,2,3 and 4 with RCS Tavg ≥ 350°F.
Notes: LCO 3.0.4 is not applicable
Actions:
A. RSW INOP, restore within 30 days
B. Completion time not met, Mode 3 in 6 hours and Mode 4 Tavg<350°F in 12 hours

Question 19

3.3.19 - Diverse Actuation System (DAS) Manual Control

Answer 19

DAS manual control for functions in table shall be OPERABLE IAW table

Question 20

3.3.20 - ADS and IRWST Injection Blocking Device

Answer 20

4 Divisions of ADS and IRWST Injection Blocking Device channels for functions in tables shall be OPERABLE per Table

Separate condition entry is allowed for each division.