This document provides details on a forthcoming federal contract solicitation for construction work on the Sacramento River East Levee in California. The Army Corps of Engineers seeks to award a firm-fixed price contract to complete approximately 1.8 miles of seepage cutoff walls along with utility relocations and modifications to relief wells. Work must be finished by December 2021 and includes relocation of utilities near an active railroad, removal and replacement of a city sump, and handling of contaminated soils. Bids are due by November 30, 2020 and the contract value is estimated between $25-100 million. Offerors must be on the Corps' Pre-Qualified Sources List for the included features of work. The unrestricted solicitation will proceed on beta.sam.gov with the possibility of delays, cancellations or revisions during the selection process.