Tech specs Week 2

Question 1

ITS 3.1.1 Shutdown margin

SDM shall be within limits specified in the COLR

Answer 1

SDM not within limit then intiate boration to restore SDM within 15 minutes

Mode 2 w/Kef <1 , 3,4,5

Question 2

ITS 3.1.4 Rod Group Alighment LImits

All Shutdown Rods shall be operable.
AND
Bank Demand postions ≥200 steps shall be within 15inches of bank demanded position
Bank demand postion <200 steps shall be within 7.5inches of the average of the individual rod positions in the bank.

Answer 2

• One or more rods inop, Verify SDM, borate and restore all within 1 hour
• One rod not within alignment limits then: Restore within 1 hour or verify SDM wihin limits within 1 hour

Modes 1,2

Question 3

ITS 3.1.5 Shutdown Bank Insertion limits

Each shutdown bank shall be within the insertion limits specified in the COLR

Answer 3

One or both banks not within insertion limits then: Verify SDM within limits/borate/restore SDM all within 1 hour

Modes 1,2 w/any control bank not fully inserted

Question 4

ITS 3.2.3 Axial Flux Difference

AFD in % flux difference units shall be maintained within the limits specified in the COLR

AFD not within limits then?

Answer 4

Reduce Thermal power to <50% power within 30 mins

Mode 1 ≥50%

Question 5

ITS 3.2.4 QPTR

QPTR shall be ≤1.02

QPTR not within limits?

Answer 5

Reduce thermal power by ≥3% for every 1% QPTR is over 1.02

Mode 1 >50%

2 hours

Question 6

ITS 3.3.5 Los of EDG start instrumentation

Two channels per bus for loss of voltage and 3 channels per bus for degraded grid function shall be operatble

Answer 6

1. Loss of UV, one or more channels then restore within 1 hour
2. Degraded Grid function, 2 or more channels inop, then restore within 1 hour

If either condition is not met then declare EDG INOP immediately

Modes 1,2,3,4

Question 7

ITS 3.3.6 Containment Ventilation Isolation Instruementation

Two trains of CV Ventilation Isolation actuation functions and logic shall be operarble

Answer 7

If one or more functions, with one more more manual or automatic actuation trains inop, OR one more radiation monitoring channels inope then:
CLose the CV purge supply and exhaust valves IMMEDIATELY
and
Delcare affected CIV inop IMMEDIATELY

Modes 1,2,3,4 (and when moving fuel assemblies)

Question 8

ITS 3.3.7 CR emergency filtration system

Two trains of CREFS actuation functions and logic shall be operable

Answer 8

2 trains inop, or R-1 actuation inop, then places CR HVAC in emergency pressurization mode IMMEDIATELY

Modes 1,2,3,4 (and when moving fuel assemblies)