Page 4 - City of Saskatoon’s $48M Wastewater Treatment Plant Upgrade Project
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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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