SEWAGE DEPARTMENT TRAINING PROGRAM
How to Build an Elevated Sandmound Sewage Disposal System
When constructing the laterals, it is important to remember that the piping must be made of solid wall PVC pipe. The use of cell core or foam core pipe is prohibited.
You can identify foam core/cell core piping by its label or by looking at a cross section of the pipe. The inside of the pipe wall is foam.
