Page 5 - City of Saskatoon’s $48M Wastewater Treatment Plant Upgrade Project

Digester Tank Construction Digester Tank Complete

Biotrickling Filter Complete

Mike Sadowski, Wastewater Plant Manager. plant is now able to capture the biogas produced benefit from the upgrades of this project as this commissioning the actual system that was installed

from the digester tanks and turn it into a renewable project ensures that the City of Saskatoon can while still operating and maintaining the other areas

The primary objective of the project was to address energy source where it can be run through the plant continue to maintain wastewater processing of the plant. Other major groups to thank include
the capacity concerns associated with the digester boiler system instead of using natural gas,” says standards that protect our environment,” says the City project team, the construction contractor

process area. Adding a fourth digester tank provided Lacny. Kelsea Doll, Project Manager. “With the ability to team from Graham Construction, and the design

the plant additional capacity and because the utilize biogas for heating, this project has also consultant team from Jacobs.”
digester process area is linked to the plant heating Finally, the project upgraded the existing biogas reduced the City’s overall natural gas consumption.”

system, there was a great opportunity to improve flare system to now include two enclosed flare With the addition of a fourth digester tank, it is

the heating system for the entire plant. stacks which allows for excess biogas to be “The City of Saskatoon Wastewater Treatment anticipated that the Wastewater Treatment Plant will
efficiently flared off to the atmosphere. Plant staff were very supportive throughout the not require a digester capacity increase for another

The project also addressed the concern surrounding entire project,” Doll adds. “Staff participated in 30 years though this projection is dependent
the excess biogas that was already being produced “With this being the only wastewater treatment performing design reviews, accommodating the on population growth and operating permit

at the plant. “After completing this upgrade, the plant for the City of Saskatoon, all citizens will contractor on the plant site during construction, and requirements set out by the WSA.

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