Reducing the Costs of I&I Using Trenchless Approaches


Attend and Earn .7 CEUs!


Inflow and Infiltration (I&I) refers to rain and groundwater that enters the sanitary sewer as extraneous flows. A certain amount of I&I is unavoidable but when I&I exceeds design allowances, sewer capacity is consumed and may result in overflows, risks to health, damage to the environment and increased conveyance costs. These issues are becoming more important to municipalities who are struggling to manage their limited infrastructure budgets. This workshop provides attendees with information regarding common I&I contributors, how to locate them and how to reduce their impact using trenchless methods of assessment. Location: Mississauga Grand, 35 Brunel Rd, Mississauga.

Tentative Schedule*

7:30 – 8:00 am | Registration and Breakfast

8:00 – 8:15 am | Introduction - What is I&I and Why do we Care?, Sonya Semanuik, OCWA

8:15 – 8:45 am | Storm Water Inflow (SWI): Identifying and Detecting the Source, Lisa Pike, Robichaud

8:45 – 9:15 am | Detecting I&I Through Rain Gauge and Flow Monitoring, Michelle Ward, AMG Environmental

9:15 – 9:45 am | Wet Weather Management Programs: How Much is Costing Me? Financial Implication of I&I, David Watt, GM BluePlan

9:45 – 10:00 am | Networking Break

10:00 – 10:30 am | I &I on the Public Side: Challenges with Processes, Inspection and Testing, and Acceptance, Barbara Robinson, Norton Engineering

10:30 – 11:00 am | I & I on the Private Side:  Source of 50% of I/I, but not Protective of I/I and Not Understood by Building Officials, Barbara Robinson, Norton Engineering

11:00 - 11:30 am | Standardizing I&I Inspections in Sewers and Manholes, Tanya Stephens, TDS Consulting

11:30 am – 12:30 pm | Lunch

12:30 – 1:00 pm | Quantifying Identified I&I with In-Pipe Inspections, Gord Henrich, PITA

1:00 – 1:30 pm | Monitoring I&I in Real Time, Matthew Nicolak, SmartCover

1:30 – 1:45 pm | Networking Break

1:45 – 2:15 pm | Long-term Costs of I&I and Impact on Treatment Plant Costs, Hamed Fardi, University of Waterloo

2:15 – 3:00 pm | Putting it All Together - Climate Change, Flooding and Costs Associated with I&I Reduction Programs, Barbara Robinson, Norton Engineering  

3:00 – 3:30 pm | Case Study 1 - City of Waterloo Lateral Renewal Program, Caroline Amyot/Prasad Samarakoon, City of Waterloo

3:30 – 4:00 pm | Case Study 2

*Subject to modifications


Who Should Attend?

Municipal engineers, technologists, technicians, operators, engineering consultants, contractors.

What is Included?

  • 0.7 CEUs from the Engineering Institute of Canada
  • Course material
  • Breakfast, Lunch, Refreshments

Registration Options (Please check your CATT membership status for member discount eligibility):

  1. Register online (below)
  2. Download I&I-Registration-Form (to pay by check, or invoice company)
  3. Call CATT at 519-888-4770

We are sorry but registration for this event is now closed.

Please contact us if you would like to know if spaces are still available.

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