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Arc Flash Analyses
Burns Engineering, Inc. has been working with our clients to provide Arc Flash analyses that address recently implemented OSHA and NFPA requirements.
OSHA’s and NFPA’s intention is that these requirements will help companies greatly reduce the number and severity of electrical injuries suffered by employees.
OSHA recommends that workplaces be analyzed for potential danger from high resistance electrical faults. Analysis of the electrical systems design is needed to identify protective requirements, such as proper clothing, as well as distribution equipment designed to minimize the safety hazard. Analyses of electrical distribution systems included in an Arc Flash study are short circuit, an over-current protective device coordination, and equipment evaluation studies.
Once all survey and system modeling is complete, a report is generated for analysis. Our findings detail each piece of electrical equipment, its corresponding Arc Flash and Shock Hazard Rating, and the required Protective Personal Equipment (PPE) necessary. For each piece of electrical equipment, there are two options: accept the Hazard Rating, or modify some internal components to reduce the Hazard Rating. Lastly, the appropriate warning labels must be placed on each piece of equipment.
In addition to performing the Arc Flash Analysis, the following may be provided: a final report with recommendations for electrical system modifications to reduce arc flash hazards; electrical system as-built one-line diagrams in AutoCAD; and electrical equipment labeling to comply with the NEC 110.16 requirement.
An engineering analysis is the first step towards understanding arc flash safety concerns and reducing potential dangers within your facility.
Posted on Mar 23, 12:29 PM