CHW

Question 1

What is the purpose of the CHW system?

Answer 1

• The system provides 55°F chilled water at a nominal flow rate of 1550 gpm.

Question 2

Where does the CHW head tank get its makeup water from?

Answer 2

Demin Water

Question 3

What will happen if you select DISABLE on the HMI?

Answer 3

It will shutdown the entire system

Question 4

What is the back make up water to the CHW head tank?

Answer 4

NESW

Question 5

What is the normal power supply to Unit 1 CHW System?

Answer 5

Livingston Rd 12 Kv

Question 6

What is the normal power supply to Unit 2 CHW System?

Answer 6

Transformer 10

Question 7

What temp band is CHW trying to maintain in lower containment?

Answer 7

≥ 60° ≤ 120°

Question 8

What temp band is CHW trying to maintain in upper containment?

Answer 8

≥ 60° and ≤ 100°

Question 9

How long will the CHW chillers lockout due to rapidly lowering condenser cooling water temperature?

Answer 9

1 hr

Question 10

With which color light requires an operator to don a SCBA if he needs to enter?

Answer 10

Red Light (High Level)

Question 11

What pressure must be maintained according to LCO 3.6.4 (Containment Pressure)?

Answer 11

≥ -1.5# ≤ +0.3# (Modes 1-4)

Question 12

What does TS LCO 3.6.4 A(Containment pressure) state?

Answer 12

If containment # is not within limits:
-WITH IN 1 HR
Restore containment pressure to within limits

Question 13

What’s the warmest NESW (lake temperature) the plate hx can handle and still keep chw inlet temp to cnt at 55°?

Answer 13

53°