![]() SSR produces hot work permits and warning labels that go on the equipment with information about the equipment name, boundaries, shock risk, PPE requirements, and when the assessment was completed. Based on this assessment, a safety plan for each piece of equipment is created that includes required personal protective equipment (PPE) details to mitigate risks and protect workers. ![]() Our team then calculates the arc flash incident energy, determining the energy to which a worker may be exposed (cal/cm 2 ). The assessment involves building a model of the electrical system and relevant electrical equipment. Qualified personnel are defined by both OSHA and NFPA 70E as someone that has received specific training on arc flash.Īt SSR, we have electrical engineers on staff that are experienced in performing arc flash assessments for use in an electrical safety program.Restricted Approach Boundary: Qualified personnel should use extreme caution they should stay out of this area unless necessary to work on equipment injury within this area is likely in the event of an arc flash.Limited Approach Boundary: Only qualified personnel are permitted to enter this boundary.Qualified and unqualified personnel can enter the boundary but MUST be wearing appropriate level of PPE Arc Flash Boundary: The farthest established boundary from the energy source.Looking at every piece of energized equipment, the assessment identifies specific approach boundaries to protect workers while working on hot equipment. Updates are made based on the results of an arc flash assessment. NFPA 70E requires that a facility update their arc flash safety program every five years. Personal protective equipment (PPE): When you absolutely must work on hot equipment, have the right PPE make sure workers are trained and ready for potential hazards.Administrative controls: Proper procedure in place – such as lockout/tagout and enforcing hot work permit procedures.Awareness: Inform people of the potential hazards.Engineering controls: Isolate people from the hazard – such as remote racking out of a circuit breaker.Substitution: Replace the hazard with a safer alternative – such as engaging a maintenance mode on a circuit breaker. ![]()
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