Design of Siphon Systems: On-Demand

Since at least the time of the ancient Egyptians, siphons have been a useful tool to transport fluids in conduits by arranging the conduit in an inverted “U” and relying on gravity to eliminate the need for a pump. In the United States, siphons have been used as spillways and outlet works at dams. This webinar reviews the best applications for siphons at dams; design procedures and considerations; misconceptions regarding how they function; real-life examples in use; and the best methods to construct and operate a siphon.


Robert A. Kline, Jr., P.E.

Vice President, Gannett Fleming, Inc.

Gannett Fleming, Inc.

Mr. Kline has over 37 years of experience in the planning, design, and construction of more than 100 existing dam rehabilitation and new dam design projects. His technical specialties include a wide variety of dam engineering topics with special expertise in concrete gravity dams. Mr. Kline served as an instructor for the Association of Dam Safety Officials (ASDSO) three-part webinar series on concrete dams and has published serval technical papers on concrete dams and other aspects of dam engineering.

Andrzej Kulik, P.E.

Project Engineer, Gannett Fleming, Inc.

Andy Kulik holds a bachelor’s degree in civil engineering and a master’s degree in engineering management from the Pennsylvania State University.   He has over 8 years of experience in dam engineering, design, inspection and construction.  He is a registered professional engineer and a certified documents technologist in developing contract documents.  Andy is an instructor in permit required confined space entry and has supervised over two dozen confined space inspections of outlet works facilities at dams.


Welcome and Introduction

  • Session 1
    • History of Siphons
    • Applications
    • Fundamentals - How they Work
  • Session 2
    • Examples 
    • Critical Components
      • Intake
      • Crown
      • Priming System(s)
      • Downleg
      • Discharge
  • Session 3
    • Design Approach
    • Lessons Learned


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2.00 PDH credits  |  Certificate available
2.00 PDH credits  |  Certificate available