0POP03-RC-0100 RCS Vacuum Fill Flashcards
- 0POP03-RC-0100 RCS Vacuum Fill*
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LHSI pumps may be used to supplement charging when filling the RCS. When are LHSI pumps secured?
Cold Cal PZR Level ≥ 50%
- 0POP03-RC-0100 RCS Vacuum Fill*
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Who is on the RCS vacuum fill team?
Team Leader
Mid Loop Coordinator
2 Plant Operators
I&C
Mechanical
Chemistry
HP
- 0POP03-RC-0100 RCS Vacuum Fill*
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Why should RCP seals be maintained during RCS Vacuum Fill?
Minimize possibility of loss of vacuum through seals
Prevents RCS crud from migrating to RCP seals
- 0POP03-RC-0100 RCS Vacuum Fill*
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How many source range NIs must be OPERABLE for vacuum filling the RCS?
≥ 2 SR Detectors (Visual)
(N31, N32, N45, N46)
Need N31 or N32 for audible count rate
- 0POP03-RC-0100 RCS Vacuum Fill*
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What radiation detectors must be OPERABLE for vacuum filling the RCS?
RT-8010
RT-8011
RT-8012/8013
RT-8050/8051
- 0POP03-RC-0100 RCS Vacuum Fill*
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What is the RHR flowrate limit when water level is reduced to < +6 inches (32’ 9”)?
1600 gpm / RHR Train
3000 gpm total
- 0POP03-RC-0100 RCS Vacuum Fill*
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How long can a LHSI pump be placed on recirc?
2 hrs
- 0POP03-RC-0100 RCS Vacuum Fill*
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What is charging flow limited to during RCS vacuum fill?
200 gpm
- 0POP03-RC-0100 RCS Vacuum Fill*
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What is the letdown flowrate limit when diverting flow to the RHUT?
250 gpm
- 0POP03-RC-0100 RCS Vacuum Fill*
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When is the slinky removed?
Cold Cal PZR Level ≥ 10%
- 0POP03-RC-0100 RCS Vacuum Fill*
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What is the RCS pressure limit in order to vent the RCS to atmosphere?
≤ 50 psig
Note:
50 psig is also the overall pressure limit when conducting a RCS vacuum fill
- 0POP03-RC-0100 RCS Vacuum Fill*
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While in reduced inventory and conducting a vacuum fill, what are your immediate actions if RHR is lost?
- *Break Vacuum Immediately**
- Open RC-0512 Vacuum Rig Vacuum Bkr Valve*
- 0POP03-RC-0100 RCS Vacuum Fill*
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What equipment must be removed from service prior to vacuum fill?
1 CCP
PDP
PZR Heaters
ALL HHSI
SI Accumulator Discharge valves SHUT
AND
Breaker OPEN
BTRS
Flush Water for RT8039 (CVCS Failed Fuel Monitor)
- 0POP03-RC-0100 RCS Vacuum Fill*
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With regards to RHR concerns, what is the max vacuum allowed during RCS vacuum fill?
22.3” Hg
Vacuum should be > 20” Hg for 15 mins to minimize O2
- 0POP03-RC-0100 RCS Vacuum Fill*
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What should RCS temperature be limited to when performing a RCS Vacuum Fill?
< 140 ˚F