At what trench depth must proper shoring be provided?

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Prepare for the ADEQ Wastewater Collections 1 Test. Explore our quiz with multiple choice questions, each with hints and explanations. Gear up for your certification!

Multiple Choice

At what trench depth must proper shoring be provided?

Explanation:
Protective systems are required whenever a trench becomes deep enough that the walls could cave in and trap a worker. Once that depth is reached, shoring (or another protective method) must be in place before continuing work. This rule exists to prevent cave-ins and keep workers safe in wastewater collection trenching. The other factors listed—how long the trench is or whether a gas line is present—do not by themselves determine when shoring must be used; depth-based risk is the trigger for applying protective systems.

Protective systems are required whenever a trench becomes deep enough that the walls could cave in and trap a worker. Once that depth is reached, shoring (or another protective method) must be in place before continuing work. This rule exists to prevent cave-ins and keep workers safe in wastewater collection trenching. The other factors listed—how long the trench is or whether a gas line is present—do not by themselves determine when shoring must be used; depth-based risk is the trigger for applying protective systems.

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