Public Works

This project is part of a large, multi-jurisdictional project to increase treated water capacity for the residents of Lake Oswego and Tigard. A pipeline will be necessary to convey water to and from the water treatment plant. Pipeline construction will be under separate Conditional Use and Public Improvement permits. The City of West Linn is coordinating with associated jurisdictions for project management oversight as well as ongoing inspections.
 

Associated Planning Department Files:

Project will evaluate current conditions and provide future direction for the City’s surface water system. The master plan will provide capital improvement projects and priorities, system management and maintenance programmatic recommendations and costs, summary fact sheets and maps, operations and maintenance plans, funding needs/strategies, and shall meet all applicable state, regional, and local laws. Engineering modeling to assist in evaluating scope of specific problems, options, and developing sizing will be required.

This street improvement project generally includes asphalt pavement removal and replacement, cement treated subgrade, and storm sewer improvements.

This project consists of the abandonment and removal of the existing 100 year old 2.5 MG Bolton Reservoir and old pump station building, and construction of a new 4.0 MG prestressed concrete reservoir on the same parcel.