ES&A is providing resource assessment, mitigation planning and environmental permitting services for TriMet’s new Light Rail Transit alignment between Portland and Milwaukie.
New concrete span over Gibson Creek in West Salem
Brush College Road Improvements Salem, OR
This road improvement project in West Salem involved three stream crossings and impact to adjacent wetlands. ES&A coordinated resource agency input into the design of new con-span culverts, delineated wetlands and prepared mitigtion plans, a Biological Assessment and USACE/DSL permits.
Culvert removal at Cedar Creek in Sherwood
Cedar Creek Culvert Replacement Sherwood, OR
ES&A delineated wetlands, conducted ESA consultation and prepared Corps/DSL permits and mitigation plans for this culvert removal and bridge construction project at Washington Street in Sherwood.
I-5 crossing of the Columbia Slough
ODOT: I-5 to Lombard Delta Park Portland, OR
ES&A conducted surveys of wetlands, rare plants and wildlife to support the NEPA Environmental Assessment for ODOT's I-5: Delta Park project. Construction impact analysis was conducted for four build alternatives. ES&A prepared Biological Resources technical reports and a Biological Assessment to address impacts to ESA-listed species.