21R0018_Plans_FIO_set01.pdf

This document provides details on a federal construction solicitation for upgrades at Lower Monumental Dam. The U.S. Army Corps of Engineers Walla Walla District will issue a request for proposals for upgrades to direct current systems, low voltage switchgear, and associated components at Lower Monumental Dam in Washington. The project aims to improve reliability and align projects with regional standards. Upgrades include replacement of DC system panels, battery boards, chargers and installation of a load bank; replacement of 480-volt switchgear, transformers, motor control centers and panelboards; conversion of oil pumps to 480 volts; and installation of control cabinets and integration with existing control systems. The solicitation will be issued as a best value tradeoff construction contract and is a total small business set-aside for offers under $16.5 million. Proposals are due approximately 30 days after the September 2021 posting date on sam.gov. The work is estimated to cost between $10-25 million and will require safety, quality, and closeout plans.