Specifications include, but are not limited to: The City of Portland, Bureau of Transportation is seeking proposals from firms, teams or Consultants, hereafter called “Proposer(s),” with demonstrated experience in the successful design and construction management of slope stabilization, roadway engineering and landslide mitigation to engage the successful Proposer for the following services: • Slope stability and landslide stabilization • Geotechnical Engineering • Structural Engineering Design • Civil Engineering Design • Traffic Design • Project Management • Construction Management • Construction Engineering • Construction engineering and structural design is a contingency task that will require subsequent PBOT written approval before allowing the successful Proposer to proceed with those tasks. In early 2017, a landslide occurred on the referenced properties, adjacent undeveloped property, and in the right-of-way. In order to stabilize the landslide, a shear pile-tieback wall was constructed for each affected private property downslope from the right-of-way. PBOT plans to repair the right-of-way at the top of the slope impacted by the landslide by strengthening the street and underlying roadway prism. The project is located in the hills to the northwest of downtown Portland, Oregon. The three referenced private properties adjoin each other and are located on the downhill side of NW Thurman Street. Both 3469 and 3481 properties are developed with single family houses. Our understanding is that the 3481 house was built in 1985 and is founded on shallow continuous footings and isolated footings. The 3469 house was built in 1984 and is founded on wooden piles and grade beams. Around March 23, 2017, after a long period of heavy rains, a landslide was triggered on the downhill side of NW Thurman Street. The landslide is located on the eastern portion of house number 3481, all of 3469, and western portion of the undeveloped property and several feet of right-of-way. Based on City records, the area has slid in 1916, 1956, and 2017 in approximately the same footprint. Temporary measures were installed by PBOT to reduce surface stormwater on the slide area; however, a longer-term solution is desired at this time.