All workers have an obligation to stop this when it becomes a hazard.
What is unsafe work?
The most effective control in the hierarchy.
What is Elimination?
This must be completed before any work begins on site.
What is a Work Authorization?
Locking out and tagging out energy sources is known as this.
What is Energy Isolation?
Removing any one of these elements will extinguish a fire.
What is fuel, heat, or oxygen?
This group is responsible for ensuring they understand SOPs and protect themselves before starting work.
Who is the worker / operator?
This control replaces a hazard with something less hazardous.
What is Substitution?
Hot work requires removal or isolation of this before starting.
What are flammable materials?
Trying to start a pump after isolation is an example of this verification step.
What is a bump test / check start?
This fire class involves flammable liquids and gases.
What is Class B?
Safety regulations in Canada are primarily regulated at this level.
What is the provincial level?
Examples include permits, procedures, and training.
What are Administrative Controls?
Simultaneous operations (SIMOPS) must be communicated to this group.
Who is everyone working on site?
Pigging devices and valves may release this unexpected hazard.
What is unexpected pressure?
This hazard occurs when static charge is not controlled during loading.
What is static electricity?
This right allows workers to obtain information about hazards that could cause injury or illness.
What is the Right to Know?
This control relies on physical barriers, guards, or system design.
What are Engineering Controls?
If you see a violation of a work authorization, you must do this immediately.
What is intervene to prevent an incident?
Always consider this concept to avoid being struck, crushed, or released energy.
What is Line of Fire?
A BLEVE stands for this type of explosion.
What is Boiling Liquid Expanding Vapor Explosion?
Administrative penalties can be issued to any worksite party for failing to follow these.
What are regulations?
The least effective control and the last line of defense.
What is PPE?
Static electricity must still be considered under this type of permit.
What is a Hot Work Permit?
Two methods used to prove zero energy on an electric pump.
What are electrical testing and check start?
The explosive zone where gas is continuously present for long periods.
What is Zone 0?