N22 - Condensate cleanup

Question 1

When will the bypass valve around the precoats auto open?

Answer 1

> 15 psid precoat

Question 2

When will the bypass valve around CFFF open?

Answer 2

> 51 psid CFFF

Question 3

When will the alarm come in for CFFF/Precoat?

Answer 3

47 psid alarm

Question 4

When do the bypass valves around the demins auto open?

Answer 4

60 psid Demin

Question 5

When do the demins alarm?

Answer 5

50 psid

Question 6

How many gallons does CST hold?

Answer 6

300,000

Question 7

How many gallons is reserved for HPCS and RCIC?

Answer 7

170,000

Question 8

How many gallons will RWST hold?

Answer 8

350,000

Question 9

How many gallons will the CST dike hold?

Answer 9

650,500

Question 10

What pump is used for emergency suppression pool cleanup?

Answer 10

RHR C

Question 11

When can emergency suppression pool cleanup be used? why?

Answer 11

Modes 4 and 5 because isolation valves may not close against RHR ‘C’ discharge pressure

Question 12

What is the purpose of CFFF?

Answer 12

Extends the life of demins

Question 13

What does CFFF keep suspended solids at?

Answer 13

< .5 ppb

Question 14

How do AOVs fail for CFFF?

Answer 14

Inlet and outlets fail AS IS

Backwash valves fail CLOSED

Question 15

What pressure is the sight glass rated for at the cation/anion tanks?

Answer 15

100 psig

Question 16

How often should CFFF be backwashed? why?

Answer 16

Once a month because relying on DP to identify backwash impregnates filter with iron and reduces filter life

Question 17

What must be empty prior to CFFF Backwash

Answer 17

CCWT

Question 18

With work on the main turbine, or condenser, may demins can be in service?

Answer 18

2 demins per condensate pump until seal steam is in service

Question 19

when should older demins be replaced?

Answer 19

prior to summer months