W912PL21B0004_FIO-5-SupplementalEnvironmentalAssessmentPhaseI2018.pdf

This document provides details for a federal contract opportunity for construction services. The U.S. Army Corps of Engineers seeks a contractor to complete Phase II of constructing an earthen dike flood control structure approximately 3,000 linear feet in length along the Alcoa aluminum plant in Corona, Riverside County, California. Work includes modifying roads, constructing a concrete floodwall and floodgate, and placing riprap and hydroseed on slopes. The total period of performance is 1,095 calendar days, with some items requiring completion within 730 days and others within 365 days. The contract is set aside for small businesses with a NAICS code of 237990 and size standard of $39.5 million. The estimate for the work ranges from $10-25 million.