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In Person - Intermediate Design of Onsite Sewage Systems

  • June 29, 2026
  • 9:00 AM - 4:00 PM
  • RJ Burnside, 6990 Creditview Rd, Mississauga ON L5N 8R9
  • 1

Registration

  • Registration includes morning break coffee and breakfast pastry, lunch and drink, course materials and instruction. If you are a member of the OBOA, you may be entitled to receive the OOWA Member pricing. Please email op-coordinator@oowa.org to confirm.
  • Registration includes morning break coffee and breakfast pastry, lunch and drink, course materials and instruction. If you are a member of the OBOA, you may be entitled to receive the OOWA Member pricing. Please email op-coordinator@oowa.org to confirm.

Registration is closed

SOLD OUT!

This pilot advanced course builds on Design 1, focusing on more complex onsite sewage system design under the Ontario Building Code (OBC). Participants will learn how to determine design flows for non-standard uses and apply flow balancing methods, including sizing balancing tanks. The course also explores facility characterization, with an emphasis on non-residential and high-strength wastewater applications.

Key design topics include Type A systems, shallow buried trenches, and BMEC combined treatment and dispersal systems, along with considerations for nutrient removal, dosing strategies, and system components such as siphons, ADVs, and grease traps. Collection and conveyance design principles are also addressed to ensure effective system performance.

Finally, participants will gain practical guidance on developing and presenting alternative solutions under the OBC.

This course may qualify for continuing education credits (e.g for PEO or OBOA). Please check with your association to confirm. 

Suggested Pre-Requisite: Five-Day Part 8 Licensing Course or equivalent experience, ORWC Introduction to Design Course (or similar/related experience with basic OBC design).

Instructor: Anne Egan, RJ Burnside 

Cancellation Policy:

Refunds, less a $25.00 cancellation fee, will be issued upon written request to op-coordinator@oowa.org if received 24 hours prior to the event. Following that, no refunds will be issued. Ticket transfers will be honored in the following way: members may send alternate members at no additional cost. Members may send alternate non-members for an additional fee in accordance with ticket pricing. Non-members may send alternate members; however, a refund will not be issued for the difference in ticket price.

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