Radiation Monitoring System

Question 1

What are all the Rad monitors that have automatic actions?

What are there actions?

Answer 1

• RM-14 (plant vent NG) - starts RM-87 on overange
• RM-17A/B (CCW) - shuts RCV-16 (tnk vent)
• 0-RM-18 (LRW) - shuts RCV-18 (OVBD)
• RM-19 (SGBD) - shuts BD o.c. vlvs, shifts FCV-498/499 to EDR vice OVBD
• RM-22 (WGS) - RCV-17 (OVBD)
• RM-23 (SGBD) - same as RM-19
• RM-25, 26 (CR vent) - CR vent to Mode 4
• RM-44 A/B (CNMT exh) - CVI
• RM-51-54 (CRPS) - swaps to other units fans
• RM-58, 59 (SFP, New Fuel) - FHBV to Iodine removal mode

Question 2

What are the following Rad Monitors monitoring?

0-RM-1

RM-2

0-RM-3

RM-4

RM-6

RM-7

0-RM-10

Answer 2

• 1 - CR by rad rack
• 2 - CNMT by personel hatch
• 3 - oily water separator
• 4 - CCP 3
• 6 - NSSS
• 7 - seal table room
• 10 - Aux board

Question 3

What are the following Rad Monitors monitoring?

RM-11

RM-12

RM-13

RM-14 (R)

RM-15 (R)

RM-17 A/B

0-RM-18

RM-19

Answer 3

• 11 - CNMT, Particulate
• 12 - CNMT, NG
• 13 - RHR hx room
• 14 - Plant vent, NG
• 15 - SJAE process
• 17 - CCW process
• 18 - LRW disch
• 19 - SGBD sample

Question 4

What are the following Rad Monitors monitoring?

RM-22

RM-23

RM-24 (R)

RM-25, 26

RM-28 (R)

RM-29

RM-30, 31

Answer 4

• 22 - WGS disch
• 23 - SGBD disch
• 24 - Plant Vent, iodine
• 25/ 26 - CR Vent intake
• 28 - Plant Vent, Particulate
• 29 - Plant Vent, Gross on stack
• 30/31 - CNMT Hi range (accident)

Question 5

What are the following Rad Monitors monitoring?

RM-34

RM-41, 42,43

RM-44A/B

RM-48

RM-51, 52, 53,54

RM-58, 59

0-RM-60, 61, 62, 63, 64, 65

Answer 5

• 34 - Area Monitor Plant Vent room
• 41…- Gas Decay Tanks
• 44 - CNMT exh to PV
• 48 - PASS
• 51…- CR Pressurization
• 58 - Spent fuel area
• 59 - New fuel area
• 60 - TSC area monitors

Question 6

What are the following Rad Monitors monitoring?

0-RM-66

0-RM-67

0-RM-68

0-RM-69

RM-71, 72, 73, 74

0-RM-82, 83

0-RM-90, 92

Answer 6

• 66
• 67
• 68
• 69
• 71…
• 82, 83
• 90