21R0018_Plans_FIO_set03.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 the dam. The project aims to improve reliability and align projects with regional standards. Work includes replacing DC system panels, battery boards, chargers and installing a load bank; replacing 480-volt switchgear, transformers, motor control centers and panelboards; converting oil pumps to 480-volt; and installing control cabinets and integrating with existing control systems. The solicitation will be issued as a best value tradeoff request for proposals for a single firm fixed-price construction contract, set aside for small businesses under NAICS code 238210 with a size standard of $16.5 million. Proposals will be due approximately 30 days after the solicitation is posted to sam.gov in September 2021, with an estimated value between $10-25 million.