The state has adopted the federal safety and health rules for machine guarding in general industry workplaces by reference (R614-1-4) and has adopted additional regulations for crushing, screening, and grinding equipment (R614-6-1).
The Utah Labor Commission/Division of Occupational Safety and Health (UOSH) administers and enforces safety and health rules for private and public sector workplaces in the state.
CRUSHING, SCREENING, AND GRINDING EQUIPMENT
Track or truck hoppers or bins must be covered by a grizzly or other suitable means to prevent an employee from accidentally falling into the bin. As an alternative, the employee may wear a safety harness that is properly tied off. The same requirement applies when working around or over crushers or rolls.
Equipment feeding, crushing, screening, and grinding facilities must be adequately guarded and maintained in a safe manner.
Machine guards must be kept in place and machinery must not be operated following repairs until the guards are back in place and secured. Electrical gear must have covers in place during operation.
Areas under rod mills, ball mills, and other rotating equipment must be adequately barricaded or fenced to prevent individuals from passing under the operating mills. The only exception to this requirement is if the mills have at least 10 feet of clearance above the floor.
Employees cannot work over rotating mills, spiral or drag classifiers, or any other similar equipment unless protected by a bridge, catwalk, crossover, or other protective device.
Impact breakers, jaw crushers, crushing rolls, and similar equipment must be protected by adequate covers, chain curtains, or other effective guards to prevent ...