SFSCs

Question 1

LOCA (Inventory Control)

Answer 1

Cond 1:

a. LPZR > 10% [15%]
b. RCS ≥ 24°F [44°F] SC
c. RVUH ind ≥ 16%

-OR-
Cond 2:
a. SI flow adq, Appx2
b. CET SC < 44°F[60°F] sh and NOT ↑
c. RCS SC < 44°F[60°F] sh and NOT ↑

Question 2

LOCA (RCS Pressure)

Answer 2

Cond 1:
a. PPZR w/in Appx2

-OR-

Cond 2:
a. SI flow adq, Appx2

Question 3

LOCA (Core Heat Removal)

Answer 3

a. CET SC <44°F[60°F] sh and NOT ↑

b. RCS SC <44°F[60°F] sh and NOT ↑

Question 4

LOCA (CNMT ISOLATION)

Answer 4

Cond 1:

a. PCONT < 3 psig
b. No valid ɣ, CONT
c. No valid ɣ, Steam Plant

-OR-
Cond 2:
a. No valid ɣ, Steam Plant
b. CIAS actuated

Question 5

LOCA (CNMT Temp and Pressure Control)

Answer 5

Cond 1:

a. TCONT < 235°F
b. PCONT < 8.5#
c. H2 <1.1%

-OR-
Cond 2:
a. ≥1 CS Hdr flow > 4350 gpm
b. PCONT < 55#
c. H2 <4.9%

Question 6

SGTR (Inventory Control)

Answer 6

Cond 1:

a. LPZR > 10%
b. RCS ≥ 24°F SC
c. RVUH ind ≥ 16%

-OR-
Cond 2:
a. SI flow adq, Appx2
b. RVLMS outlet plenum ≥ 21%

Question 7

SGTR (RCS Pressure)

Answer 7

Cond 1:
a. PPZR w/in Appx2

-OR-

Cond 2:
a. SI flow adq, Appx2

Question 8

SGTR (Core Heat Removal)

Answer 8

a. TH < 650°F

b. CET Max quad temp < 650°F

Question 9

SGTR (RCS Heat Removal)

Answer 9

Cond 1:
a. Unisol LS/G 45-60%
-or-
FW restoring LS/G to 45-60% NR
b. TC ↔ or ↓

-OR-
Cond 2:
a. SDC in-service

Question 10

SGTR (CNMT Isolation)

Answer 10

a. PCONT < 2.5 psig
b. No valid ɣ, CONT
c. No abnorm ↑ in CONT sump levels
d. Iso PS/G < 1135 psia and ↔ or ↓

Question 11

SGTR (CNMT Temp and Press Control)

Answer 11

a. TCONT < 117°F
-or-
TCONT <125°F w/LOOP

b. PCONT < 2.5 psig

Question 12

ESD (Inventory Control)

Answer 12

Cond 1:

a. LPZR > 10% [15%]
b. RCS ≥ 24°F [44°F] SC
c. RVUH ind ≥ 16%
d. SI flow NOT needed to maintain LPZR after SI Throttle Criteria met

-OR-
Cond 2:
a. SI flow adq, Appx 2
b. RVLMS outlet plenum ≥ 21%

Question 13

ESD (RCS Pressure)

Answer 13

Cond 1:
a. PPZR w/in Appx2

-OR-

Cond 2:
a. SI flow adq, Appx2

Question 14

ESD (Core Heat Removal)

Answer 14

a. TH < 650°F[650°F]
b. CET Max quad temp < 650°F
c. RCS ≥ 24°F [44°F] SC

Question 15

ESD (CNMT Isolation)

Answer 15

a. PCONT < 3 psig
-or-
CIAS actuated

b. No valid ɣ, CONT
c. No valid ɣ, Steam Plant
-or-
If Rad Mon & S/G samples NOT avail, rad surveys of S/G release points show no unexplained ↑ in Steam Plant ɣ

Question 16

ESD (CNMT Temp and Press Control)

Answer 16

Cond 1:

a. TCONT < 235°F
b. PCONT < 8.5#
c. H2 <1.1%

-OR-
Cond 2:
a. ≥1 CS Hdr flow > 4350 gpm
b. PCONT < 55#
c. H2 <4.9%

Question 17

LOAF (Inventory Control)

Answer 17

a. LPZR 10-65%
b. RCS ≥ 24°F SC
c. RVUH ind ≥ 16%

Question 18

LOAF (RCS Pressure)

Answer 18

a. PPZR w/in Appx2

Question 19

LOAF (Core Heat Removal)

Answer 19

a. TH < 650°F

b. CET Max quad temp < 650°F

Question 20

LOAF (RCS Heat Removal)

Answer 20

a. TC ↔ or ↓

Question 21

LOAF (CNMT Isolation)

Answer 21

a. PCONT < 2.5 psig
b. No valid ɣ, CONT
c. No valid ɣ, Steam Plant

Question 22

LOAF (CNMT Temp and Press Control)

Answer 22

a. TCONT < 117°F
-or-
TCONT <125°F

b. PCONT < 2.5 psig

Question 23

LOOP/LOFC (MVAC)

Answer 23

a. 1 vital 4.16 kV bus
b. 1 same train PK & PN
- PKA-M41, PKC-M43 & PNA-D25
- PKB-M42, PKD-M44 & PNB-D26
c. No jeopardized SFs req restoration of vital AC/DC
d. DFO X-fer pump maint Day Tank lvl for 1 loaded EDG to vital 4160 AC Bus.

BUS (+) w/
1 DFO Transfer Pump

Question 24

LOOP/LOFC (Inventory Control)

Answer 24

a. LPZR 10-65%
b. RCS ≥ 24°F SC
c. RVUH ind ≥ 16%

Question 25

LOOP/LOFC (RCS Pressure)

Answer 25

a. PPZR w/in Appx2

Question 26

LOOP/LOFC (Core Heat Removal)

Answer 26

a. RCS ΔT < 65°F w/ RCPs off
-or-
RCS ΔT < 10°F w/ RCPs running
b. RCS ≥ 24°F SC

Question 27

LOOP/LOFC (RCS Heat Removal)

Answer 27

a. ≥ 1 LS/G 45-60% NR
-or-
FW restoring LS/G to 45-60% NR
b. TC ↔ or ↓

Question 28

LOOP/LOFC (CNMT Isolation)

Answer 28

a. PCONT < 2.5 psig
b. No valid ɣ, CONT
c. No valid ɣ, Steam Plant

Question 29

LOOP/LOFC (CNMT Temp and Press Control)

Answer 29

a. TCONT < 117°F
-or-
TCONT <125°F

b. PCONT < 2.5 psig

Question 30

Blackout (MVAC)

Answer 30

a. 1 same train PK & PN
- PKA-M41, PKC-M43 & PNA-D25
- PKB-M42, PKD-M44 & PNB-D26
b. No jeopardized SFs req restoration of vital DC

DC BUS (+)

Question 31

Blackout (Inventory Control)

Answer 31

Cond 1:
a. LPZR 10-65%[15-64%]
b. RCS ≥ 24°F [44°F] using CET SC
c. RVUH ind ≥ 16% 
-OR-
Cond 2:
a. CET SC < 44°F[60°F] sh &amp; NOT ↑
b. RVLMS outlet plenum ≥ 21%

Question 32

Blackout (RCS Pressure)

Answer 32

a. PPZR w/in Appx2
-or-
CET SC <44°F[60°F] sh & NOT ↑

Question 33

Blackout (Core Heat Removal)

Answer 33

a. CET Max quad temp < 650°F [650°F]

Question 34

Blackout (RCS Heat Removal)

Answer 34

a. ≥ 1 LS/G 45-60% NR
-or-
FW restoring LS/G to 45-60% [45-60%] NR
b. TC ↔ or ↓

Question 35

Blackout (CNMT Isolation)

Answer 35

a. PCONT < 2.5 psig
b. No valid ɣ, CONT
c. No valid ɣ, Steam Plant

Question 36

Blackout (CNMT Temp and Press Control)

Answer 36

a. TCONT < 200°F

b. PCONT < 2.5 psig