3.3 "Instrumentation"

Question 1

LCO 3.3.1 title

Answer 1

RPS Instrumentation

Question 2

LCO 3.3.1 requirement

Answer 2

4 RPS trip units, associated instrument channels, and associated ZPM Bypass removal channels for each function in Table 3.3.1-1 shall be operable

Question 3

LCO 3.3.1 applicability

Answer 3

• According to Table 3.3.1-1

- Separate Condition entry is allowed for each Function

Question 4

LCO 3.3.1 required actions < 1 hour

Answer 4

• 1 or more ZPM Bypass Removal channels inoperable, then immediately remove the affected ZPM Bypasses, OR declare affected trip units inoperable
• 1 or more functions with 2 RPS trip units or associated instrument channels inoperable, then place 1 trip unit in trip in 1 hour AND restore 1 to operable w/in 7 days

Question 5

LCO 3.3.2 title

Answer 5

RPS Logic and Trip Initiation

Question 6

LCO 3.3.2 requirement

Answer 6

6 channels of RPS Matrix Logic, 4 channels of RPS Trip Initiation Logic, and 2 channels of RPS Manual Trip shall be operable

Question 7

LCO 3.3.2 applicability

Answer 7

• Modes 1 and 2
• Modes 3-5 with more than 1 full-length control rod capable of being withdrawn and PCS boron concentration less than refueling boron

Question 8

LCO 3.3.2 required actions < 1 hour

Answer 8

• 1 channel of Trip Initiation Logic inoperable, then de-energize the affected clutch power supplies w/in 1 hour
• 2 channels of Trip Initiation Logic affecting the same trip leg inoperable, then de-energize the affected clutch power supplies immediately

Question 9

LCO 3.3.3 title

Answer 9

ESF Instrumentation

Question 10

LCO 3.3.3 requirement

Answer 10

4 ESF bistables and associated instrument channels for each function in Table 3.3.3-1 shall be operable

Question 11

LCO 3.3.3 applicability

Answer 11

• As specified in Table 3.3.3-1

- Separate Condition entry is allowed for each function

Question 12

LCO 3.3.3 required actions < 1 hour

Answer 12

NONE

Question 13

LCO 3.3.4 title

Answer 13

ESF Logic and Manual Initiation

Question 14

LCO 3.3.4 requirement

Answer 14

2 ESF Manual Initiation and 2 ESF Actuation Logic channels and associated bypass removal channels shall be operable for each ESF function specified in Table 3.3.4-1

Question 15

LCO 3.3.4 applicability

Answer 15

• According to Table 3.3.4-1

- Separate Condition entry is allowed for each function

Question 16

LCO 3.3.4 required actions < 1 hour

Answer 16

NONE

Question 17

LCO 3.3.5 title

Answer 17

Diesel Generator - Undervoltatge Start

Question 18

LCO 3.3.5 requirement

Answer 18

3 channels of Loss of Voltage Function and 3 channels of Degraded Voltage Function auto-initiation instrumentation and associated logic channels for each Diesel Generator shall be operable

Question 19

LCO 3.3.5 applicability

Answer 19

When associated Diesel is required to be operable

Question 20

LCO 3.3.5 required actions < 1 hour

Answer 20

1 or more functions with 1 channel per Diesel inoperable, then enter applicable conditions and required actions for the associated Diesel made inoperable by Diesel Undervoltage Start Instrumentation immediately

Question 21

LCO 3.3.6 title

Answer 21

Refueling CHR Instrumentation

Question 22

LCO 3.3.6 requirement

Answer 22

2 Refueling CHR Auto Actuation Function channels and 2 CHR Manual Actuation channels shall be operable

Question 23

LCO 3.3.6 applicability

Answer 23

During core alterations and during movement of irradiated fuel assemblies w/in containment

Question 24

LCO 3.3.6 required actions < 1 hour

Answer 24

1 or more Functions with 2 channels inoperable, then suspend core alterations AND suspend movement of irradiated fuel assemblies w/in containment immediately

Question 25

LCO 3.3.7 title

Answer 25

Post Accident Monitoring Instrumentation

Question 26

LCO 3.3.7 requirement

Answer 26

The PAM Instrumentation for each function in Table 3.3.7-1 shall be operable

Question 27

LCO 3.3.7 applicability

Answer 27

- Modes 1-3 | - Separate Condition entry is allowed for each function

Question 28

LCO 3.3.7 required actions < 1 hour

Answer 28

- One or more functions w/1 required channel inoperable and not restored w/in 30 days, then immediately initiate action in accordance with Specification 5.6.6 (14 day report) - 1 or more functions w/2 required channels inoperable and not restored w/in 7 days, then enter the condition referenced in Table 3.3.7-1 for the channel immediately

Question 29

LCO 3.3.8 title

Answer 29

Alternate Shutdown System

Question 30

LCO 3.3.8 requirement

Answer 30

The Alternate Shutdown System functions in Table 3.3.8-1 shall be operable

Question 31

LCO 3.3.8 applicability

Answer 31

Modes 1-3

Question 32

LCO 3.3.8 required actions < 1 hour

Answer 32

NONE

Question 33

LCO 3.3.9 title

Answer 33

Neutron Flux Monitoring Channels

Question 34

LCO 3.3.9 requirement

Answer 34

2 channels of neutron flux monitoring instrumentation shall be operable

Question 35

LCO 3.3.9 applicability

Answer 35

Modes 3-5

Question 36

LCO 3.3.9 required actions < 1 hour

Answer 36

1 or more required channel(s) inoperable, then suspend all operations involving reactivity additions immediately

Question 37

LCO 3.3.10 title

Answer 37

Engineered Safeguards Room Ventilation Instrumentation

Question 38

LCO 3.3.10 requirement

Answer 38

2 channels of ESRV Instrumentation shall be operable

Question 39

LCO 3.3.10 applicability

Answer 39

- Modes 1-4 | - Separate Condition entry is allowed for each channel

Question 40

LCO 3.3.10 required actions < 1 hour

Answer 40

1 or more channels inoperable, then initiate action to isolate the associated ESRV System immediately