Thursday, February 16, 2023 at 2:00 p.m.

Session #3: Up in the Air – The Practical Challenges of Air Management


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FREE to members.
Fee for non-members $30+HST.


Air management is a crucial component of the effective operation of water and wastewater systems and this is typically addressed via specifying air and air/vacuum valves – that is, for selecting those hydromechanical devices that facilitate getting air in and out of pressurized water systems. Indeed, air and air/vacuum valves often play key roles in the safe and efficient system operation. However, there are no agreed-on standards for the selection, sizing, location, installation and maintenance of these valves. Although the often-referenced AWWA M51 manual provides some guidance of recommended practices, applying the summarized air valve theory can give contradictory and sometimes problematic recommendations. This talk will review the theory and use of air and air/vacuum valves, highlighting some unintended consequences that can arise and some of the strategies for resolving them.
At the completion of this one-hour OJT session, participants will be able to demonstrate the following:

              • An understanding of the importance of air management in water and wastewater systems.
              • An understanding of the different types of air valves and their applications.
              • An awareness of the unintended consequences that may arise from blindly applying the concepts presented in the AWWA M51 air valve manual.
              • Some practical recommendations for the use of air and air/vacuum valves

    • Facilitators:

      Bryan Karney

      Our facilitator is Bryan Karney, Professor of Civil Engineering at University of Toronto & Professional Engineer at HydraTek and Associates.  Bryan graduated from the University of British Columbia with a B.A.Sc. degree in 1980 and a Ph.D. in Civil Engineering in 1984. He has been at the University of Toronto since 1987 and active in the consulting company HydraTek throughout that time. Bryan has almost 40 years of experience in providing hydraulic services on a wide range of fluid systems, including water, wastewater, storm, oil, gas, and jet fuel. Bryan has spoken and written widely on subjects related to water resource systems, energy issues, and hydrology. He has written numerous papers and has been awarded a number of teaching and research awards.


      Bryon Singh

      Our co-facilitator is Bryon Singh, Hydraulic Specialist at HydraTek and Associates.  Bryon has more than 15 years of experience in the water and wastewater industry. Bryon received both his Bachelor’s and Master’s degrees in Civil Engineering at the University of Toronto and is a Licensed Professional Engineer in the Province of Ontario. Bryon has worked on hundreds of hydraulics-related projects in Ontario, across Canada, and internationally, with the projects types ranging from hydraulic and transient analyses to field monitoring studies as well as research and development. He is an expert with respect to the hydraulic modelling of water and wastewater systems, numerical transient modeling, the design and optimization of surge protection, and hydraulic field investigations.


      These 1-hour virtual sessions are offered every alternate Thursday starting at 2:00 pm.  Sessions are complimentary to all OMWA members and the fee for non-members is $30.00 CAD plus HST per person per session.  

      If you have any specific questions regarding this OJT session, please feel free to submit them when you register and we will provide them to the workshop facilitator.   

      The OMWA will provide a certificate recognizing participation in these On the Job Training sessions.
      Attendance may also qualify as a Continuing Knowledge Activity for the PEO PEAK program

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