4_20R0001_Vol4.pdf

This document provides details for a federal construction contract opportunity to upgrade governors, exciters, and powerhouse controls at McNary Dam in Umatilla County, Oregon. Work includes replacing analog governors and excitation systems with digital systems on all 14 main generator units, upgrading related electrical and network infrastructure, and modernizing auxiliary mechanical and air systems. The contractor will furnish new digital governors, excitation systems, touchscreen HMIs, and network equipment to be installed within a 730 calendar day period in coordinated 16-20 week windows for pairs of units. The performance period ends January 2025. The contract will be fixed price and awarded based on best value tradeoff criteria. The estimated value is between $25-100 million. The solicitation will be issued on Beta.sam.gov on or about May 18, 2020 with a proposal due date contained therein. A site visit will be offered approximately two weeks later.