Individuals understand techniques used to size water supply systems, including calculating system requirements and demand, developed lengths, and pressure drops. They are aware of factors that affect the sizing of a water supply system. They can lay out a water supply system and calculate the developed lengths of the branches. They are familiar with various types of backflow prevention devices, where they are used and how they work. They are able to install common types of backflow preventers.

• Type Validation
• Time Hours