Confined Space

What is confined space

• Area which open air

• Area Which have limit of entrances and not enough ventilation

Which one not confined space

• Tank

• Container

• Silos

• Canteen

Atmospheric oxygen levels below _______ at level is considered as hazardous atmosphere in confined space.

• 19.5 %

• 19.6 %

• 18.5 %

• 18.6%

The OSHA confined space standard requires that the employer keep all canceled entry permits for at least

• 1 year

• 2 years

• 6 months

• 1.5 years

Mana yang bukan dari area kerja Confined Space

• Tunnels

• Well

• Workshop

• Manhole

this is picture for?

• central measure

• Confined Space Examples