SPDS

Question 1

Where can SPDS be monitored from?

Answer 1

Unit 1 and Unit 2 control rooms, TSC, EOF

Question 2

What indications are displayed on ATOG?

Answer 2

AVG 5 highest CETs

RB Pressure and Temp

Steam Pressure

MSSV Open

LOSCM

Question 3

What indications are displayed on PSHT screen?

Answer 3

CETs

Hot and Cold leg temps

OTSG Tsat

OTSG Level

Tube - shell delta T

FW Flow

Question 4

What indications are displayed on SGTR?

Answer 4

Tave

Tube shell delta T

Cond Off Gas

N-16 radiation

Question 5

What indications are displayed on RCSI?

Answer 5

PZR level

RCS pressure

Ave temp

RB Sump Level

LD Flow

MU tank level

Question 6

What indications are displayed on RHO?

Answer 6

Hot leg temp

Rod index

Source Range

Int Range

Question 7

What indications are displayed on RB?

Answer 7

RB radiation

H2 concentration

RB temp

RB pressure

RB Flood Level

Question 8

How many SPDS trains are there and which unit is normally aligned to each?

Answer 8

2 trains (A & B)

Unit 1 normally aligned to A, Unit 2 to B

Question 9

What is the power supply for 2VUC-30 SPDS AC unit?

Answer 9

Normal -> 2B-53

Emergency -> B-56 thru manual xfer switch

Question 10

What is the power supply for SPDS?

Answer 10

2Y-26 from 2B-53 (Primary) or 2B-54 (alternate) or DC emergency (2D03)

Question 11

What condition(s) would require SPDS be declared inoperable?

Answer 11

Unable to restart either train after failure of both > than 1 hour.

Unable to transmit data to TSC or EOF (considered degraded)