Confined Space: Conditions Shift

A vessel entry starts with acceptable tests and valid isolation. During the job, ventilation and atmospheric conditions begin to change.

Confined SpaceBASIC

Safety100

Judgment100

Response100

01 / EVENT

FIELD SITUATION

Oxygen begins to trend down

Continuous monitoring shows oxygen reducing from 20.9% to 20.2%. It remains within the project entry range but the trend is continuing.