Everything You'll Need to Know About Pressure, Vacuum, and Effluent Collection Systems Alternative Sewer Systems, Manual of Practice FD-12 is a complete primer on the various systems that can be used to replace expensive gravity systems presently used in small and large communities. This brand-new edition provides a general overview of collection systems and then elaborates on the design, performance, and management of three specific types: pressure, vacuum, and effluent. Updated to include the most current technology in the field, Alternative Sewer Systems, Manual of Practice FD-12 offers a frank, detailed look at the advantages and disadvantages of alternative systems. It provides the interfacing requirements for discharge to conventional sewers, as well as issues concerning grinder-pumps and piping. Alternative Sewer Systems, Manual of Practice FD-12 provides: Pros and cons of using alternative collection Discharge interface requirements Grinder-pump needs Piping requirements SI as primary units and U.S. as secondary This comprehensive guide covers: Pressure Sewer Systems Vacuum Sewer Systems Effluent Sewer Systems, including Septic Tank Effluent Pumping (STEP) and Septic Tank Effluent Gravity (STEG) systems