Massachusetts Hoisting License Practice Test

What must backfilling of trenches achieve, according to safety regulations?

1. It must ensure the trench can be easily reopened later

2. It must eliminate the trench

3. It must be done at night to allow for daytime work

4. It should only be done if no injuries have occurred

The correct answer is: It must eliminate the trench

The primary goal of backfilling trenches according to safety regulations is to eliminate the trench, particularly in contexts where it poses a risk to workers or bystanders. A filled trench reduces the chance of accidental falls, collapses, or other safety hazards that arise from open excavation sites. Ensuring that the trench is backfilled properly not only promotes the safety of the worksite but also adheres to regulations that aim to protect workers from potential injuries associated with open trenches. This action is crucial because unfilled trenches can present significant dangers, such as cave-ins, especially in unstable soil conditions or when exposed to weather elements. While considerations about the ease of reopening trenches might be relevant in some contexts, prioritizing safety by eliminating hazards from the work environment remains imperative. The other options mentioned do not align with safety regulations focused on risk mitigation and workers' safety.