RQ-C-KNOW ESF Actuations

Question 1

SI Trips

Answer 1

Manual
Containment Pressure, High
Pressurize Pressure Low
SG Differential Pressure
Steam Generator Pressure Low

Question 2

Manual SI Coincidence

Answer 2

1 of 2/ Train

Question 3

Containment Pressure High Setpoint

Answer 3

1 psig increasing

Question 4

Containment Pressure High Coincidence

Answer 4

2 of 3

Question 5

Pressurizer Pressure Low Setpoint

Answer 5

1775 psig lowering

Question 6

Pressurizer Pressure Low Coincidence

Answer 6

2 of 3

Question 7

Pressurizer Pressure Low Interlock

Answer 7

Man Block with P-11

Question 8

SG Differential Pressure Setpoint

Answer 8

100 psid

Question 9

SG Differential Pressure Coincidence

Answer 9

2 of any 3 on any steam line

Question 10

SG Pressure Low Setpoint

Answer 10

500 psig lowering

Question 11

SG Pressure Low Coincidence

Answer 11

1 of 1 on 2 SGs

Question 12

SG Pressure Low Interlock

Answer 12

Man Block with P-12

Question 13

Containment Spray Signals

Answer 13

Manual

Containment Pressure High-High

Question 14

CTS Manual Coincidence

Answer 14

1 of 1/ Train

Question 15

Containment Pressure High-High

Answer 15

2.8 psig increasing (delay for 233 seconds in U1)

Question 16

Phase “A” Actuation

Answer 16

Manual

See SI

Question 17

Phase “B”

Answer 17

Manual

See CTS

Question 18

Steamline Isolation Actuation

Answer 18

Manual
Containment Pressure High High
High Steam Flow with P-12
Steam Generator Pressure Low