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Valhalla Area Sewer Relocation Project

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The Valhalla Sewer Relocation project includes design and relocation of a sewer main around the Valhalla neighborhood to address odor and corrosion issues and improve system flow in the area. The project will also install odor control facilities that will to provide additional odor treatment in the surrounding area.

During the design phase, the City of Bend conducted a field pressure study around the Valhalla neighborhood sewer system. The study measured pressure changes in the sewer lines and provided data for the analysis of effective and appropriate odor control solution(s).  As a result of the study a better design has been proposed that is not only more robust, but also proposes a pressure-style pipe which is smaller and shallower than the original concept that will result in a cost savings to the project. In addition, the proposed odor control facilities adopt a more holistic approach, improving odor management in areas that extend beyond the original pipeline improvements. (See Zone of Influence on map below.)  

The redesign phase of the project can proceed after City Council approval. Until the project redesign and construction is complete, City staff will monitor odor continually, optimize chemical odor controls with frequent line flushing, and remain in communication with Oregon Department of Environmental Quality.

Vahalla Map

Estimated Project Timeline

Year       Season              
2014  COMPLETE    Sewer System Pressure Study 
2015  June 17   Odor control and pipeline re-design goes before City Council for approval
2015    Fall              Redesign sewer pipeline in Mt Washington and Odor Control Location Evaluation 
2016  January 13   Project Status Update Meeting with Neighborhood - Meeting Invitation
2016  January/February   Bid for Construction* - Relocation of Sewer Pipeline  
2016  Summer   Begin Construction
2016     Fall/Winter   Complete Construction

* Requires approval by City Council.

Project Contact

Josh Robertson, Principal Engineer
(541) 330-4000