Individuals can describe methods used to prepare a trench for pipe installation. They can explain the purpose of trench stabilization, bedding and the tasks involved. They understand the process for laying bedding material. They know how to dewater a trench and are able to maintain and troubleshoot dewatering equipment. They are aware of EPA requirements concerning water discharge quality. They can identify personal safety and environmental hazards associated with dewatering equipment.

• Type Validation
• Time Hours