Vol1_21R0015_Resource_Plans.pdf

This document outlines a federal construction contract opportunity for rehabilitation work at McNary Dam located in Umatilla County, Oregon. The contract involves two major elements. The first is rehabilitating 45 intake gates and associated hydraulic and control systems including replacing seals, cylinders, control consoles and electrical components. The second element is replacing the existing copper and aluminum isophase bus systems that transmit power from generators to transformers with new higher amperage aluminum bus and installing new synchronizing potential transformers, surge arresters and motorized disconnect switches. Additional requirements include as-built drawings, training, manuals and approximately $25-100 million in work to be completed from 2023 to 2030 in periodic scheduled outages to minimize lost generation. The U.S. Army Corps of Engineers is the contracting agency and responses are due as outlined in the solicitation to be posted on Beta.sam.gov in June 2021.