Individuals can explain how DWV systems remove waste safely and effectively. They are familiar with DWV components including pipe, drains, traps and vents and can explain how they function. They understand drain and vent sizing requirements and the importance of proper grade and waste treatment. They can describe how building sewers and sewer drains connect the DWV system to the public sewer system. They understand the health concerns associated with DWV systems.

• Type Validation
• Time Hours