Projects of the Year 2020


City of Tigard - Greenfield Drive Emergency Reconstruction - 2020 Project of Year - Less than $5 Million - Disaster or Emergency Construction/Repair

A high pressure water main break caused considerable damage to SW Greenfield Drive near SW Maplecrest Court. Bucking and heaving of the pavement, combined with multiple subsurface voids, demanded emergency road reconstruction. Wallis worked with the City to control costs and deliver the project on schedule.


Prime Contractor:  Eagle-Elsner, Inc. 
Consultant:  Wallis Engineering, PLLC

Learn more about this project by viewing the project application available in Adobe Acrobat format here or the award presentation slides here. 


City of Salem Public Works Department - Pringle Creek Demo & Stream Restoration - 2020 Project of Year - Less than $5 Million - Environmental (Water, Wastewater, Stormwater)

This project brought daylight to a stretch of Pringle Creek near the Willamette River in Salem. The project included restoration of the creek at an old mill site. Due to the age of the remaining old mill structures, combined with some tricky site conditions, the project had many interesting engineering challenges. The restored channel now provides both habitat for aquatic life, as well as future area for a proposed multi-use trail connection along the creek.

Prime Contractor:  Suulutaaq, Inc.
Prime Consultant:  Otak, Inc.

Learn more about this project by viewing the project application available in Adobe Acrobat format here or the award presentation slides here. 


Clean Water Services - Tualatin Interceptor & Siphon Improvements - 2020 Project of Year - $25 Million to Less than $75 Million - Environmental (Water, Wastewater, Stormwater)

The Tualatin Interceptor (Interceptor) is a major trunk feeding the Advanced Wastewater Treatment Facility and receives wastewater from the Sherwood and Bull Mountain areas of Washington County. Clean Water Services (CWS) commissioned a planning study that identified deficiencies in the interceptor capacity, indicating it would need to be increased in size from 24-inch and 42-inch-diameter pipe and 60-inch and 66-inch pipe. Phase A of the project included the most restrictive conveyance segment in the Interceptor, the King City Siphon, which would convey wastewater from a new River Terrace North Pump Station and surrounding residential areas across the Tualatin River. Phase B of the project included crossing State and City-owned roads, more than 30 privately-owned properties, a second Tualatin River Crossing, two constructed wetland crossings, two City Park crossings, and connection to CWS’ Durham wastewater treatment plant. 


Prime Contractor:  Mortenson
Prime Consultant:  Kennedy/Jenks Consultants, Inc.

Learn more about this project by viewing the project application available in Adobe Acrobat format here or the award presentation slides here. 


City of Milwaukie - Kronberg Park Multi-Use Walkway - 2020 Project of Year - Less than $5 Million - Transportation

This is a 1,100-foot-long, 10- to 12-foot-wide multi-use trail. It provides an off-road bicycle and pedestrian transportation connection between McLoughlin Boulevard at River Road near the SE Park Orange Line Light Rail Station and downtown Milwaukie. The project consists of 340-foot-long multi-use bridge, a 60-foot-long multi-use bridge, and multiple at-grade crossings.


Prime Contractor:  HP Civil, Inc.
Prime Consultant:  Otak, Inc.

Learn more about this project by viewing the project application available in Adobe Acrobat format here or the award presentation slides here.


Port of Portland - Hillsboro Airport Runway 13R/31L Rehab - 2020 Project of Year - $5 Million to Less than $25 Million - Transportation

The scope of the project included the reconstruction of a 100-foot keel section of the runway for roughly two-thirds of the length: the north and mid-sections. The project included shoulder reconstruction and widening; grading and drainage improvements; and the replacement of the runway subdrain system. Additionally, work that spanned the full length of the runway included electrical, lighting, signage, and pavement marking work.

Prime Contractor:  Kodiak Pacific Construction
Prime Consultant:  Century West Engineering Corporation

Learn more about this project by viewing the project application available in Adobe Acrobat format here or the award presentation slides here. 


Yamhill County Public Works Facility - Yamhill County Public Works Department - 2020 Project of Year - Less than $5 Million

Yamhill County replaced their 75-year-old public works building with a modernized, sustainable facility that will service the community for decades. This was made possible by leveraging the knowledge of the Yamhill County Department of Public Works staff, education and skill sets of George Fox University students, engineering expertise of Kittelson & Associates, Inc., contracting by Haworth, Inc., and native landscaping resources of the Native Plant Society of Oregon – Cheahmill Chapter.

Prime Contractor:  Haworth, Inc.
Prime Engineer:  Kittelson & Associates, Inc. and George Fox University

Learn more about this project by viewing the project application available in Adobe Acrobat format here or the award presentation slides here. 


City of Pendleton and ODOT Region 5 - 8th Street Bridge Replacement - 2020 Project of Year - $5 Million to less than $25 Million - Structures

The project replaced a 110-year-old historic bridge with a new structure that meets current design standards. Additionally, the new structure honors the historic nature of the site and its surrounding area. It maintains critical connections for neighbors on either side of the Umatilla River. Furthermore, it accommodates the flow of commercial and residential traffic, providing the City of Pendleton with opportunities to further develop areas on the north side of the river.  

Prime Contractor:  Legacy Contracting Inc.
Prime Engineer:  DOWL


Learn more about this project by viewing the project application available in Adobe Acrobat format here or the award presentation slides here. 

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