Type C soil cannot be benched. Appendix B does not permit an employer to bench a type C soil excavation. Therefore, it is not safe to cut steps into a slope of type C soil because the soil’s lack of cohesion is likely to cause the steps to crumble when an employee steps on them. […]
What factors determine the appropriate protective system to use in excavation?
Trenches 5 feet (1.5 meters) deep or greater require a protective system unless the excavation is made entirely in stable rock. Trenches 20 feet (6.1 meters) deep or greater require that the protective system be de-signed by a registered professional engineer or be based on tabulated data prepared and/ or approved by a registered professional […]
Keeping Trenches Safe for Workers During Excavation
Trench collapses and cave-ins are a serious threat to workers, but they can be prevented. OSHA reminds employers that worker safety is a priority, and the agency has resources available to protect workers. The following safe work practices will help keep trenches safe for workers: PREPARE a safe trench Provide safe entry and exit before […]
Stormwater Retention vs. Detention Ponds: What’s the Difference?
Two different kinds of ponds are often used for flood control and stormwater runoff treatment: wet ponds and dry ponds. Both systems function to settle suspended sediments and other solids typically present in stormwater runoff. Retention ponds maintain a pool of water throughout the year and hold stormwater runoff following storms. Detention ponds hold water […]
Best Practices for Excavator Operators Before, During & After Operation
To maintain a safe site for all construction workers, it’s important for excavator operators to follow best practices before, during, and after excavation. Before Operation The operator should read, understand, and follow the operator’s manual. Consult the manual to determine maximum allowable slope for safe operation. Wear appropriate PPE as required by the task being […]
Protecting Yourself in the Sun While Working Outdoors (OSHA)
When working outdoors, like workers on an excavation/construction site, it’s important to protect yourself from the sun. Here’s why… Sunlight contains ultraviolet (UV) radiation, which causes premature aging of the skin, wrinkles, cataracts, and skin cancer. The amount of damage from UV exposure depends on the strength of the light, the length of exposure, and […]
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