Confined Spaces

2. When atmospheric conditions are dangerous to life or health.
5. Is considered to occur when any part of the entrants body breaks the plane of the opening in the space.
7. Intentional opening of a pipe, line or duct that is or has been carrying a substance capable of causing injury.
8. A required set of rules designed to allow a person to enter and exit a confined space safely.
10. Attaching a plate to a pipe to completely block any flow.
14. When a person gets completely covered by liquid or particles like grain that may cause death by suffocation or strangulation.
15. Employers written authorization to perform welding, cutting, grinding, that will create a source of ignition.
16. Usually occurs in a space that has sloped floors or an internal configuration that leads to a person being unable to escape.

1. Examples: Tanks, vessels, pits, silos, etc.
3. The person located outside the confined space responsible for access control that should NEVER enter the space.
4. Confined space that does not have any hazard capable of causing death, serious injury or harm.
6. When conditions become unsafe and a person feels dizzy, nauseous, etc. and exits the confined space without assistance.
9. Immediately dangerous to Life and Health
11. Layering of the gasses in the air of a confined space where heavier gasses settle to the bottom and become more concentrated (and potentially dangerous).
12. Use of a retrieval system (ropes, wench, etc.) to pull a person out of a confined space without entering it.
13. A test of an atmospheric tester to make sure it is working correctly.