W912PL21B0004_FIO-1-DDRGeotechnicalAppendixA2018_Vol2.pdf

This document provides details for a federal contract solicitation for construction services. The U.S. Army Corps of Engineers seeks a contractor to complete Phase 2 of construction for additional flood protection at the Alcoa aluminum plant in Corona, California. Work will involve constructing approximately 3,000 linear feet of earthen dike, including a concrete floodwall and floodgate. The dike will range from 22 to 25 feet in height with a 15-foot wide crest. Side slopes will be reinforced with riprap and hydroseeding. Nearby roads will be modified or relocated. The performance period is 1,095 calendar days with interim completion deadlines. The contract value is estimated between $10-25 million and is reserved exclusively for small businesses. The relevant NAICS code is 237990 for other heavy and civil engineering construction.