0POP03-ZG-0003 Secondary Plant Startup

Question 1

• 0POP03-ZG-0003 Secondary Plant Startup*
• • *

When using long path recirc, what is the max flowrate allowed?

Answer 1

≈ 1500 gpm

O₂ control

Question 2

• 0POP03-ZG-0003 Secondary Plant Startup*
• • *

What must DA Pressure be maintained at during the secondary plant startup?

Answer 2

< 50 psig

Ensures FW temperatures are maintained < SG temperatures.

Question 3

• 0POP03-ZG-0003 Secondary Plant Startup*
• • *

What are the criteria to open a MSIV?

Answer 3

SGNR Levels 65% - 75%

< 50 ˚F ∆T

< 50 psid

Criteria Met for ≥ 30 min for 1^st MSIV

Question 4

• 0POP03-ZG-0003 Secondary Plant Startup*
• • *

When are the MS Drain Isolation valves closed?

Answer 4

20%
OR
Within 1 hr of opening MSIV
OR
Shut to achieve < 50 psid across MSIV
SM Discretion