Confined Space Flashcards
If a 1% drop in oxygen occurs, how many ppm of another substance can increase
10,000ppm
Define a confined space
Configured so a person can enter and preform work, limited means of entry/exit, not designed for human occupancy
Atmosphere with less than _____% oxygen is considered oxygen deficient?
19.5% = oxygen deficient
Atmosphere containing _____% oxygen, is oxygen enriched?
23.5% oxygen is considered enriched.
Per OSHA a flammable/combustable environment is present when …….
When excess of 10% of the LEL
Substance is considered toxic when …..
The concentrate or dose exceeds the permissible exposure limits
What are physical/mechanical hazards with confined spaces.?
Electrical
Smoke
Manholes
Slippery surfaces
The hot zone is how many feet in diameter?
150feet diameter is the hot zone
Where should not TROT vehicles be positioned?
Outside of hot zone
Should you control utilities that are negatively effecting the victim?
Yes
When making contact with victims near the opening should you have your PPE and SCBA on?
Yes
Can first responders enter a confined space?
NO
