Safety in Substations and Switchyards - DVD
This 43-minute DVD covers basic safety principles and practices applicable to substation and switchyard maintenance work. It describes electrical, chemical, and personal hazards that may be encountered in substations and switchyards. A general procedure for responding to imminent dangers and accidents is also presented.
Hazards and Safety Practices – 5 minutes
Identifies some of the safety hazards that may be found in substations and switchyards. Describes general safety practices that apply to most jobs in substations and switchyards.
Electrical Safety – 10 minutes
Identifies electrical hazards that may exist in substations and switchyards. Defines safe working distance. Identifies the basic steps in making equipment electrically safe to work on. Explains the reason for tagging equipment. Identifies special precautions necessary when working with capacitor banks and current transformers.
Chemical Safety – 7 minutes
Identifies chemical hazards that may exist in substations and switchyards. Describes safety precautions applicable to working with insulating oil, both PCB-free and PCB-contaminated. Describes safety precautions applicable to working with insulating (SF6) gas and sealing (nitrogen) gas. Describes safety precautions applicable to working with battery banks.
Personal Safety – 6 minutes
Identifies personal hazards that may exist in substations and switchyards. Describes general housekeeping practices that help prevent accidents and injuries. Describes the proper way to lift heavy loads by hand. Describes the proper ways to use ladders, scaffolds, and bucket trucks for support.
Dangers and Accidents – 6 minutes
Describes a general procedure for responding to an imminent danger at work. Describes a general procedure for responding to an injury at work. Identifies the four classes of fires and the type of extinguisher used to put out each. Describes a general procedure for reporting accidents.
Safety Review – 9 minutes
After viewing a brief job-related videotape presentation, identifies violations of electrical safety practices. Describes accidents that could result from those electrical safety violations.