Cave-ins are among the most feared hazards in trenching, but other potentially fatal dangers also exist, including asphyxiation from lack of oxygen in confined spaces, inhalation of toxic fumes, and drowning. Electrocution or explosions can occur when workers come into contact with underground utilities. OSHA requires that workers in trenches and excavations be adequately protected and that safety and health programs address the wide range of hazards they may encounter.
Cave-ins are among the most feared hazards in trenching, but other potentially fatal dangers also exist, including asphyxiation from lack of oxygen in confined spaces, inhalation of toxic fumes, and drowning. Electrocution or explosions can occur when workers come into contact with underground utilities. OSHA requires that workers in trenches and excavations be adequately protected and that safety and health programs address the wide range of hazards they may encounter.
Upon successful completion of this course, the student will be able to identify safety and health concerns related to excavations and trenches. Students will gain knowledge in practical soil mechanics and its relationship to the stability of shored and unshored slopes and walls of excavations, be introduced to various types of shoring, including wood timbers and hydraulic systems, understand soil classification, and learn the use of protective systems. Testing methods are demonstrated, and students participate in workshops using instruments such as penetrometers, torvane shears, and engineering rods. Upon course completion, students will have the ability to assess their employer's compliance with the OSHA Excavation standard, utilize soil testing methods to classify soil types, apply protective systems for excavation operations, and meet training requirements. The course covers OSHA Standard 1926 Subpart P as it relates to soil classification, sloping and benching, timber shoring, aluminum hydraulic shoring, requirements for protective systems, manufactured tabulated data, site-specific engineering, and general requirements and competent person responsibilities. Additionally, it addresses 29 CFR 1910.146 regarding confined spaces, including identifying permit requirements, using gas monitoring equipment, ensuring proper ventilation, and understanding alternate entry procedures.
Construction Managers, Construction Workers, Building Contractors, Safety and Health Professionals, Supervisors, Training Managers, and Industrial Hygienists.
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