Foster ERU Reference Dwgs 22 May 2020.pdf

This notice is for a federal solicitation seeking replacement of aging electrical equipment at the Foster Dam and Powerhouse facility. The U.S. Army Corps of Engineers, Portland District is soliciting proposals to replace various electrical components that are over 40 years old, including the 4160V switchgear, 480V double-ended switchgear, station service transformers, powerhouse motor control centers, 480V CQ panels, and the DC system including a new station battery. Specifically, the contractor will replace the existing air blast main unit breakers with vacuum breakers, provide new station service equipment and station service transformers, and install new powerhouse motor control centers. Additional work includes replacement of related protection and controls, new wiring for power and ancillary systems, and preferred AC equipment. The solicitation number for this opportunity is W9127N21R0060.