TS 3.3.2 RPS - Shutdown

Question 1

LCO 3.3.2 Four trip and bypass removal channels for each Function in Table 3.3.2-1 shall be OPERABLE

APPLICABILITY: ___

ACTIONS: ___

Answer 1

APPLICABILITY:

• Log Power HI (M3, M4, M5)
• SG1 or SG2 Pressure LO (M3)

ACTIONS: NOTE
* Separate condition entry is allowed for each RPS Function

Question 2

LCO 3.3.2 CONDITION

A. One or more Functions with one automatic RPS trip channel inoperable.

Answer 2

A.1 Place channel in bypass or trip (1 hour)
AND
A.2 Restore channel to OPERABLE status (Prior to M2 following next M5 entry)

Question 3

LCO 3.3.2 CONDITION

B. One or more functions with two automatic RPS trip channels inoperable.

Answer 3

B.1 Place one channel in bypass and place other in trip (1 hour)

Question 4

LCO 3.3.2 CONDITION

C. One or more functions with one automatic bypass removal channel inoperable

Answer 4

C.1 Disable bypass channel (1 hour)
OR
C.2.1 Place affected channel in bypass or trip (1 hour)
AND
C.2.2 Restore bypass removal channel and associated automatic trip channel to OPERABLE status (Prior to M2 following next M5 entry)

Question 5

LCO 3.3.2 CONDITION

D. One or more functions with two automatic bypass removal channels inoperable.

Answer 5

D.1 Disable bypass channel (1 hour)
OR
D.2 Place one affected automatic trip channel bypass and place other in trip (1 hour)

Question 6

LCO 3.3.2 CONDITION

E. Required Action and associated Completion Time not met.

Answer 6

E.1 Open all RTCB’s (1 hour)

Question 7

For Log Power HI, the Trip may be bypassed when log power is ___.

Bypass shall be auto removed when log power is ___

Answer 7

bypass when > 1E-4%

bypass auto removed <1E-4%

Question 8

Besides the Modes of Applicability, the 3 Functions also require ___ to make the LCO applicable.

Answer 8

Any RTCB’s closed and any CEA capable of being withdrawn.

Question 9

Which Function is “Noncredited” and is purely equipment protective?

Answer 9

SG Water Level HI

Question 10

Log Power Level HI trip protects ___

Answer 10

The integrity of the fuel cladding AND RCPB in unplanned criticality from shutdown condition

Question 11

SG Pressure LOW trip function provides ___

Answer 11

SDM to prevent or minimize return to power, following a MSLB in M3