Elliott Bay Seawall Replacement
Furnished and install all components of the marine habitat. This included construction and installation of 2,000 LF of marine mattresses between pre-cast... Learn More
Lower Duwamish Contaminated Sediment Cleanup
Dredging and active placement of Enhanced Natural Recovery (ENR) and ENR+ Activated Carbon (AC) materials to evaluate the effectiveness of ENR+AC compared to ENR alone as a... Learn More
Riley Slough Bridge
PDCA PROJECT OF THE YEAR AWARD – 2020 For a bridge replacement in Monroe, Wash., PPM installed sheet piles to construct a... Learn More