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Hazardous Energy In this course you'll learn about the different types of energy hazards, the impact it can have on your safety, and why it's important to follow Lockout Tagout (LOTO) procedures.
Electrical Hazards Can often cause shock and/or fire
Mechanical Hazards There are two types of hazards that can occur, with the most being moving parts but don't forget that many machines also store energy, and when suddenly released can cause injuries.
Hydraulic Hazards The energy of liquids under pressure can pose several hazards such as causing plant parts to move. The rapid release of energy can cause serious injuries, and additionally hydraulic fluid can cause burns
Pneumatic Compressed gasses when uncontrollably released can cause injury. All systems must be properly vented before starting maintenance.
Chemical Hazards Chemical energy can start fires, cause skin burns and generate harmful gases or fumes.
Thermal Hot equipment & fluids can burn, while cold fluids can also cause severe injuries.
Lock Out Tag Out Procedures Before starting any LOTO procedure make sure you are familiar all aspects of the plant.
Shut the plant down
Identify all energy sources and other hazards
Identify all isolation points & deactivate all energy sources
De-energise all stored energies Check your equipment for the proper procedures in de-energising.
Lock out all isolation points Always double check afterwards to ensure that each energy source has been effectively locked out.
Tag Out The process of attaching more information onto the lockout device. Common tags include: danger tags and out of service tags. [Learn more about this in subsequent lessons]
What should you do after you have locked out and tagged out a piece of equipment? Select all that apply
Lockout Procedures Learn about the proper procedures in this lesson.
Padlocks and chains
Safety lockouts jaws or hasps with can be used inconjunction with multiple locks
Switches with a built in lock
Lockouts for circuit breakers, fuses and valves
Who's in charge of holding onto the key?
What happens with multiple energy sources? Plants with multiple energy sources or hazards undergo the same procedure. Only the person that applied the lock should hold the key to unlock it.
Tag Out Learn about the proper procedures in this lesson.
What happens if the maintenance work isn't complete at the end of my shift? Check in with your workplace isolation procedure to see what you need to do if a person does not remove a personal danger tag before leaving the worksite. Generally speaking, if the plant is to remain isolated, then the personal danger tag should be replaced with a out of service tag. The tag should be applied to each isolation point before the personal tags are removed. If maintenance is to continue over to the next shift then a hand over briefing should be giving to the team taking over.¹ Briefing information should include: the status of the work and the removal or replacement of personal danger tags and locks
Great safe prevention and safe work protection of you and all others at work safety rules for safety work environment less injuries more protection and productivity smoother running areas less damage
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