Core 4 Tools
Which Core 4 Tool is used when an unexpected action occurs during a procedure?
Know When to Stop
The Vacuum Building is composed of how many substructures?
Three (Basement, Upper Chamber, Main Chamber)
Which Core 4 tool uses the Phonetic Alphabet?
Effective Communication (3 Way)
What is one purpose of the Vacuum Building?
To minimize radioactivity releases to the public through unmonitored pathways (during a LOCA).
or
To minimize the overpressure pulse in containment (during a LOCA).
Which Core 4 tool is exhibited when an operator follows documentation to change pump duty?
Procedural Use and Adherence
At what pressure differential between Upper and Main Chamber will dousing occur?
26.9 kPad
Which Core 4 tool is also known as Stop, Think, Act, Review (STAR)?
Self Check with Verbalization
What liquid is used to in the dousing phase of the Vacuum Building?
Water!