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The City of Portland, Oregon

Portland Bureau of Transportation

Phone: 503-823-5185

Fax: 503-823-7576

1120 SW Fifth Ave, Suite 800, Portland, OR 97204

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Construction Updates

Current Work (updated 1/15/19)

Environmental remediation under the Marquam Bridge is nearly complete. All soil and debris that was deemed “hazardous” has been delivered to the Waste Management landfill near Arlington, Oregon, for proper disposal. Lower-level contaminated soil removal will be completed within the next week. All areas that had soil removed have had a plastic contaminant barrier installed and filled to grade with a clean sand mixture (see pic above). The Marriott and David Evans driveway entrances on the south side of River Parkway are being reconstructed and will be fully operational on Tuesday, January 22. Overhead and underground PGE electrical lines are in the process of being relocated.

Anticipated Work

Starting in late January and continuing into the spring, the contractor will install underground utilities including communication and street lighting conduits, storm sewer and water line. Concurrently in late winter and spring the contractor will pour concrete and asphalt sidewalks and install the roadway base.

Late spring and early summer will focus on the connection to Tilikum Crossing, including some temporary closures of the multi-use paths on Tilikum Crossing (one side at a time, with two-way pedestrian/bicycle traffic sharing one side of the bridge during these periods). PBOT and TriMet will provide advance notice of this activity, which is tentatively scheduled for June.

Overall project completion is anticipated in September 2019.


 

 

Current Work (from 12/17/18; go to top of page for latest)

The next construction phase of the SW Bond Avenue Extension Project between SW River Parkway and Tilikum Crossing begins on Monday, December 17, consisting of contaminated soil removal, utility installation and roadway construction. The previous phase of the project - constructing retaining walls and fill embankments - wrapped up in October 2018.

PBOT contractor Goodfellow Bros. has mobilized underneath the Marquam Bridge and PBOT has issued Notice to Proceed for this next phase of work. Through the December holidays and into January, the contractor will be removing contaminated soil from the area underneath the Marquam Bridge and River Parkway cul-de-sac. This soil removal is necessary to ensure that underground utilities and paved surfaces are installed with clean fill dirt to protect workers and the general public, now and into the future. Contaminated soil will be hauled in covered dumptrucks to off-site landfills that are licensed to safely dispose of said material, which is contaminated primarily with lead. The contractor will employ best practices in safe disposal, and their work will be inspected by PBOT, the Portland Bureau of Environmental Services, and the Oregon Department of Environmental Quality.

Traffic at the end of SW River Parkway will be slightly rerouted within the block for most of the project, but access will be maintained to the Marriott parking garage, David Evans / OIA parking lot, and pedestrian entrances to buildings. Flaggers may be needed at times to ensure the the safety of the travelling public and project workers. The contractor will need to remove the landscaped median in River Parkway and disconnect irrigation systems in the adjacent Greenway Park. These features will be reestablished later in the project.

Anticipated Work

After the contaminated soil removal, the contractor will begin installation of stormwater pipes and other utilities. The full project is anticipated to be complete in September 2019, and opened to people movement and vehicular traffic in early fall. We ask the general public to please avoid walking into the construction site from SW River Parkway or anywhere else. Construction progress can be safely observed from the pedestrian way of Tilikum Crossing.


 

Current Work (from 6/22/18; go to top of page for latest)

PBOT’s contractor, McDonald Excavating, Inc., has remobilized and removed the surcharge material from the roadway corridor. The surcharge material, a granular all-weather fill product including sand and gravel, sat for 8 months over the fall, winter and spring to force the roadway to settle and compact and avoid future settlement. The contractor is now constructing the gap area between Meade Street and Porter Street (Tilikum Crossing). This area must be primarily constructed of lightweight fill in order to eliminate impacts on the Tilikum bridge approach. Low density cellular concrete (LDCC) is the chosen material for this segment, and workers have been pouring it into the area via hose connected to an on-site batch plant (see photo above). The next work item is to install the tops of the retaining walls, which will be constructed of precast “bench blocks” and poured concrete coping. The surcharge / retaining wall work is anticipated to be complete by the end of this summer.

Anticipated Work 

A second contract is in process of being awarded to Goodfellow Bros, Inc. This contract will perform environmental remediation under the Marquam Bridge, install water and storm sewer mains and communication lines underneath Bond Avenue, and construct the roadway itself. This work is anticipated to begin in August and last through the following winter. Completion of Bond Avenue is anticipated in spring 2019.


 

Current Work (from 5/25/18, go to top of page for latest)

PBOT’s contractor, McDonald Excavating, Inc., has remobilized and is removing the surcharge material from the roadway corridor. The surcharge material, a granular all-weather fill project, sat for 8 months over the fall, winter and spring to force the roadway to settle and compact and avoid future settlement. The contractor is also constructing the gap area between Meade Street and Porter Street (Tilikum Crossing). This area must be constructed of lightweight fill in order to eliminate impacts on the Tilikum bridge approach. The surcharge / retaining wall work is anticipated to be complete by the end of this summer.

Anticipated Work 

A second contract was advertised in May 2018. This contract will perform environmental remediation under the Marquam Bridge, install water and storm sewer mains and communication lines underneath Bond Avenue, and construct the roadway itself. This work is anticipated to begin in August and last through the following winter. Completion of Bond Avenue is anticipated in spring 2019.


 

Current Work (from 7/6/17, go to top of page for latest)

PBOT’s contractor, McDonald Excavating, Inc., is placing UltraBlock retaining walls and importing fill to construct and “surcharge” the elevated roadway. Surcharge, also called pre-consolidation, is the process of placing extra fill material and allowing it to settle over a period of time in order to minimize the risk of future road settlement. Wall and surcharge construction will continue until October 2017, followed by an eight-month settlement period.

Anticipated Work 

In spring 2018, utility relocation and environmental remediation work will take place under the Marquam Bridge to make way for the Bond Avenue connection to the existing River Parkway cul-de-sac. In May 2018, extra fill will be removed from the surcharge area and the connection to the Tilikum Crossing will be built. Major road construction will take place in summer 2018 and is scheduled for completion in late fall 2018. This page will be updated periodically as construction progresses.


 

Current Work (from 4/6/17, go to top of page for latest)

OHSU contractor is excavating contaminated soil, replacing with clean fill and establishing contaminant barriers and/or demarcation layers throughout the Bond Avenue corridor on OHSU property. The purpose of this work is to meet city requirements for a “clean zone” for utilities and retaining wall footings underneath the future roadway. The work also satisfies an Oregon Department of Environmental Quality consent decree that applies to the property and determines the specifications of the contaminant barrier. This environmental work is anticipated to be complete by May 12.

Anticipated Work 

Starting in mid- to late May 2017 PBOT’s contractor will begin constructing retaining walls and placing fill dirt for elevated portions for SW Bond Avenue. Fill must be applied in layers and allowed to settle over a period of eight months to one year in order to minimize the risk of future road settlement. This process is known as surcharge or pre-consolidation and will last through the rest of 2017 and into spring 2018. In fall 2017, utility relocation and environmental remediation work will take place under the Marquam Bridge to make way for the Bond Avenue connection to the existing River Parkway cul-de-sac.

Major road construction will take place in 2018 and is scheduled for completion in fall 2018. This page will be updated periodically as construction progresses.


Current Work (from 12/27/16, go to top of page for latest)

OHSU contractor is filling in old stormwater pipes and performing environmental remediation work on OHSU property to prepare the Bond Avenue corridor for road construction.

Anticipated Work 

Starting in February 2017 PBOT contractor will begin constructing retaining walls and placing fill dirt for elevated portions for SW Bond Avenue. Fill must be applied in layers and allowed to settle over a period of eight months to one year in order to minimize the risk of future road settlement. This process is known as surcharge or pre-consolidation and will last throughout 2017. In summer 2017, utility relocation and environmental remediation work will take place under the Marquam Bridge to make way for the Bond Avenue connection to the existing River Parkway cul-de-sac.

Major road construction will take place in 2018 and is scheduled for completion in fall 2018. This page will be updated periodically as construction progresses.


Current Work (from 7/26/16, go to top of page for latest)

OHSU contractors are constructing a haul road under the Marquam Bridge that will allow OHSU, PBOT and their respective contractors to access the Bond Avenue and Knight Cancer Research Building construction sites. Parking lots on the south side of SW River Parkway will remain open, though flaggers may occasionally be on site to direct traffic here. Users of the parking lots are advised to be aware of truck traffic and exercise extra caution.

Anticipated Work 

In summer/fall 2016 workers will be removing contaminated soil in locations where SW Bond Avenue Phase 1 will be built. This work will be performed by OHSU contractors and overseen by the Oregon Department of Environmental Quality. Increased truck traffic can be expected on SW River Parkway in the RiverPlace area, but no closures are planned.

Starting in winter 2016-17 workers will begin constructing retaining walls and placing fill dirt for elevated portions for SW Bond Avenue. Fill must be applied in layers and allowed to settle over a period of eight months to one year in order to minimize the risk of future road settlement. This process is known as surcharge or pre-consolidation.

Major road construction will take place in 2018 and is scheduled for completion in October 2018. This page will be updated periodically as construction progresses.