Definitive Contract 140P2022C0027

On August 16, 2022, Manson Construction Co., a Seattle-based marine construction specialist, was awarded a $37.26 million firm fixed-price contract to stabilize and seismically strengthen the concrete wharf at Alcatraz Island within the Golden Gate National Recreation Area in San Francisco, California. The project addresses critical repairs to the historic steel-cased concrete piles, beams, and slabs comprising the wharf, a contributing feature of the Alcatraz Island National Historic Landmark, which had deteriorated to fair to poor condition. The contract carries an ultimate completion date of December 4, 2025, with an anticipated performance period of approximately 1,050 days to accommodate seasonal shutdowns and maintain public access for up to 650,000 annual visitors. This civilian contract is funded through the National Office of the National Park Service and was awarded without set-aside designation, allowing open competition.

Manson Construction Co. engaged a diverse subcontractor network to execute this complex marine infrastructure project. Notable subcontractors include Crux Diving Inc., a woman-owned small business providing pile repairs and underwater services; Cowi North America Inc. providing engineering design services; Malcolm Drilling Company supplying drilling equipment and mobilization; Independent Pipe & Steel Inc. furnishing steel pipes and piles; and Grating Pacific Inc. providing fiberglass grating materials. Additional support came from equipment rental providers including Maxim Crane Works (40-ton rough terrain crane), Herc Rentals Inc. (compressors and light towers), and Paco Ventures LLC, as well as suppliers of materials and janitorial services including White Cap L.P., Aviate Enterprises Inc., Uline Inc., and Cross Link Inc. (providing crew boat services).