21R0018_PLANS_Vol2.pdf

This document provides details on a federal construction solicitation for upgrades at Lower Monumental Dam in Washington. The U.S. Army Corps of Engineers Walla Walla District will issue a request for proposals seeking a contractor to upgrade the direct current systems, low voltage switchgear, and mechanical and electrical components at the dam. Upgrades include replacing DC system panels, battery boards, chargers and installing a load bank; replacing 480-volt switchgear, transformers, motor control centers and panelboards; and converting oil pumps to 480 volts. The solicitation will utilize a best value tradeoff source selection method and result in a single firm fixed-price construction contract set aside for small businesses. Offerors must be small business concerns with less than $16.5 million in average annual revenue. Proposals will be due approximately 30 days after the solicitation is posted to sam.gov in September 2021, with an estimated contract value between $10-25 million. The NAICS code is 238210 and performance and payment bonds of 100% will be required.