0POP03-RC-0100 RCS Vacuum Fill Flashcards

1
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

LHSI pumps may be used to supplement charging when filling the RCS. When are LHSI pumps secured?

A

Cold Cal PZR Level ≥ 50%

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2
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

Who is on the RCS vacuum fill team?

A

Team Leader

Mid Loop Coordinator

2 Plant Operators

I&C

Mechanical

Chemistry

HP

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3
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

Why should RCP seals be maintained during RCS Vacuum Fill?

A

Minimize possibility of loss of vacuum through seals

Prevents RCS crud from migrating to RCP seals

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4
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

How many source range NIs must be OPERABLE for vacuum filling the RCS?

A

≥ 2 SR Detectors (Visual)
(N31, N32, N45, N46)

Need N31 or N32 for audible count rate

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5
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

What radiation detectors must be OPERABLE for vacuum filling the RCS?

A

RT-8010

RT-8011

RT-8012/8013

RT-8050/8051

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6
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

What is the RHR flowrate limit when water level is reduced to < +6 inches (32’ 9”)?

A

1600 gpm / RHR Train

3000 gpm total

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7
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

How long can a LHSI pump be placed on recirc?

A

2 hrs

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8
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

What is charging flow limited to during RCS vacuum fill?

A

200 gpm

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9
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

What is the letdown flowrate limit when diverting flow to the RHUT?

A

250 gpm

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10
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

When is the slinky removed?

A

Cold Cal PZR Level ≥ 10%

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11
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

What is the RCS pressure limit in order to vent the RCS to atmosphere?

A

≤ 50 psig

Note:
50 psig is also the overall pressure limit when conducting a RCS vacuum fill

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12
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

While in reduced inventory and conducting a vacuum fill, what are your immediate actions if RHR is lost?

A
  • *Break Vacuum Immediately**
  • Open RC-0512 Vacuum Rig Vacuum Bkr Valve*
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13
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

What equipment must be removed from service prior to vacuum fill?

A

1 CCP

PDP

PZR Heaters

ALL HHSI

SI Accumulator Discharge valves SHUT
AND
Breaker OPEN

BTRS

Flush Water for RT8039 (CVCS Failed Fuel Monitor)

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14
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

With regards to RHR concerns, what is the max vacuum allowed during RCS vacuum fill?

A

22.3” Hg

Vacuum should be > 20” Hg for 15 mins to minimize O2

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15
Q
  • 0POP03-RC-0100 RCS Vacuum Fill*
    • *

What should RCS temperature be limited to when performing a RCS Vacuum Fill?

A

< 140 ˚F

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