Introduction To Lift Station Maintenance

This one-day class is designed to give the student an overview of the day-to-day operation and maintenance of wastewater lift stations. Subjects covered will include types of lift stations, lift station operating principles, components, routine PM requirements and basic troubleshooting techniques. At the conclusion of this workshop, the participant will be able to: • Discuss the purpose, typical locations and types of lift stations commonly found in wastewater collection systems. • List and describe the components found in a lift station. • List the hazards and how to work safely in and around lift stations. • Describe the basic electrical and control systems found in lift stations. • Describe the operation of centrifugal pumps and their components. • Describe the procedure for inspecting a lift station. • List the tasks that should be performed during routine lift station visits. • Using a draw-down formula, the student will be able to calculate a pump's flow rate when given the wet well's filling and emptying times. • Discuss the procedure to follow when responding to system alarms. • Give examples of some typical lift station problems and how to respond to them. • Describe the purpose of periodic maintenance and the considerations that go into determining maintenance frequencies. • List and describe the recordkeeping requirements of a lift station. • Successfully complete the knowledge test with a score of 70%.