Sedro Woolley 230kV Substation

Expand an existing substation in Sedro Woolley, WA. Work included rough & finish grading, storm drainage, concrete foundations, SPCC containment, yard & top course gravel, electrical conduit, cable trench and ground grid. Hydro-seeding, auger cast piling, and the conduit & ground grid installation were subcontracted. This is one of several projects we have completed within this substation.


Sedro Woolley, WA


Completed November 2012


Puget Sound Energy