Following completion of Chapter 6, students should be able to:

1. Identify and describe the components of gravity, pressure, and vacuum collection systems.
2. Describe how gravity, pressure, and vacuum collection systems work.
3. Operate and maintain a small-diameter gravity sewer (SDGS) system, a pressure collection system, and a vacuum collection system.
4. Develop a maintenance program for your system.
5. Perform preventive and emergency maintenance on your system.
6. Troubleshoot problems in your system.
7. Accurately record and evaluate operation, maintenance, and cost information.
8. Safely perform your duties.

The purpose of this chapter is to teach operators how to operate and maintain four types of wastewater collection systems, including conventional gravity systems, small-diameter gravity systems, pressure systems, and vacuum systems. Operators will also learn how to troubleshoot a variety of common wastewater collection system problems.

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