Main Installation and Rehabilitation - Intro Distribution (1.5 Contact Hours)

This on-demand course, tailored for California drinking water distribution professionals, guides learners through the essential practices for installing and rehabilitating water mains. Topics include:

• Pipe Inspection, Unloading, Stacking, and Stringing: Proper handling and storage techniques to prevent material damage and contamination.

• Excavation Preparations: Notification of utilities, public safety marking, and ensuring appropriate separations between water and sewer lines.

• Trenching and Excavation Safety: Best practices for trench depth, width, and soil management; cave-in prevention methods including sloping, shielding, shoring, and sheeting.

• Pipe Laying: Inspection before laying, safe placement, proper bedding, and techniques for haunching to ensure structural integrity.

• Pipe Jointing: How to correctly install push-on and mechanical joints to prevent leaks and joint failures.

• Connecting to Existing Systems: Procedures for dry taps, wet taps, and proper use of transition couplings.

• Thrust Restraint Systems: Installation of thrust blocks, thrust anchors, and restrained joints to protect against internal pressure forces.

• Air Relief Systems: Methods to remove trapped air pockets, including the use of air relief valves and fire hydrants.