Serving Environmental needs for over 35 years

TriMet: Portland-Milwaukie Light Rail Transit Project










From February 2011 to April 2013, HAI conducted more than 50 Phase I ESAs, and also a number of hazardous building materials surveys, for properties located in Portland and Milwaukie along the future alignment of TriMet’s Portland-Milwaukie Light Rail Transit Project.  The properties were identified as requiring Phase I ESAs because of TriMet’s intent to acquire the properties, or because excavation work was planned to occur on the properties under a temporary construction easement.  A wide variety of properties were assessed along the corridor, including undeveloped land, former and current railroad right-of-ways, former gasoline stations, and residential, commercial, and industrial properties, including sites with complicated histories.
The Phase I ESAs identified Recognized Environmental Conditions at several of the properties.  HAI conducted Phase II ESAs at 19 of these properties, including underground storage tank investigations and soil and groundwater sampling. 
HAI performed an Environmental Baseline Assessment of Kronberg Park in Milwaukie to establish environmental conditions prior to the potential use of the site as a staging area for the construction of the Portland to Milwaukie Light Rail Line.  Near-surface soil, subsurface soil, and groundwater at the property were sampled.
HAI provided additional services at a small number of properties where further activities were warranted, such as decommissioning underground storage tanks, monitoring wells, and drywells.  At two sites where subsurface contamination was found to be present, HAI provided risk evaluation and reporting as required by ODEQ in order to achieve regulatory closure.  HAI was able to provide TriMet with seamless environmental consulting services at each site, so that property acquisitions and construction could proceed as planned.
Light rail service on the Portland-Milwaukie line is scheduled to begin in 2015.  The long-term objective of this project is to promote the economic vitality of Portland-Metro region by helping to connect people to their jobs and higher education.

As a focused regional firm, we provide a personal approach, along with attention to detail, consistent high-quality work, and continuity of staff and services, including Phase I and II ESAs, Remedial Investigations, and Brownfield Redevelopment. The solutions we provide for our clients are formulated to promote responsible stewardship of the environment.