Definitive Contract W912P726CA006
- Not listed
- This is a $14,374,386.00 firm-fixed-price definitive contract awarded by the U.S. Army Corps of Engineers to Manson Construction Co., a for-profit subchapter S corporation headquartered in Seattle, Washington. The contract is for the annual maintenance dredging of the Oakland Inner and Outer Harbor channels in Alameda County, California to a depth of 50 feet below mean lower low water plus one foot of overdepth dredging. The dredged material will be transported and disposed of according to...
- This is a $25,114,639.31 definitive contract awarded by the U.S. Army Corps of Engineers to Manson Construction Co. for annual maintenance dredging of the Oakland Inner and Outer Harbor channel to a depth of 50 feet. The work includes transporting the dredged material to contractor-furnished beneficial reuse sites. This is a firm fixed price contract with a completion date of February 1, 2024. The original solicitation was a full and open competition with no set-aside used. Major...
- The Army Corps of Engineers awarded Manson Construction Company a firm fixed price contract valued at $15 million for annual maintenance dredging of the Oakland Inner and Outer Harbor in California. The solicitation sought dredging of specified reaches to a depth of 50 feet below mean lower low water plus one additional foot, with dredged materials to be disposed at approved upland beneficial use sites or government-furnished in-bay disposal sites. Major subcontractors include Myer Marine...
- This is a $16,269,965.54 firm fixed price contract awarded by the U.S. Army Corps of Engineers (USACE) to Manson Construction Co, a for-profit subchapter S corporation, for the Oakland Inner and Outer Harbor Channel Maintenance Dredging Project in Alameda County, California. The original solicitation was an unrestricted, competitively awarded invitation for bids with an estimated cost range between $25 million and $100 million. The contract involves dredging approximately 756,000 cubic yards...
- This is a Definitive Contract awarded by the U.S. Army Corps of Engineers, San Francisco District (ENDIST San Francisco) to the Manson-Dutra JV prime contractor. The $3,748,000.00 firm fixed price contract is for maintenance dredging of the Oakland Inner and Outer Harbor Channels in Alameda County, California. The work is being performed under the RECOVERY TAS (Treasury Account Symbol) and is funded through the American Recovery and Reinvestment Act (ARRA). The contract does not have a set-aside...
- The U.S. Army Corps of Engineers awarded a $16,867,165.00 Firm Fixed Price contract to Manson Construction Co, a for-profit subchapter S corporation based in Seattle, Washington, for the Richmond Inner Harbor FY25 Maintenance Dredging project. The contract is for maintenance dredging of the Richmond Inner Harbor to a depth of -37.5 feet (MLLW) plus 1 foot of paid overdepth, and transporting the dredged material per the requirements. This is a full and open competition contract and is not...
- This is a definitive contract awarded by the U.S. Army Corps of Engineers (USACE), San Francisco District, to Manson Construction Co., a for-profit subchapter S corporation, for the Richmond Inner and Outer Harbor Channel Maintenance Dredging Project in Contra Costa County, California. The $11,597,032.65 firm fixed-price contract covers maintenance dredging services, with no set-aside designation. Key subcontractors include Montezuma Wetlands LLC for sediment disposal, Brusco Tug & Barge,...
- The U.S. Army Corps of Engineers awarded a $33.65 million firm fixed-price definitive contract to Manson Construction Co. for FY25 West Coast Hopper Dredging Mobilization and Demobilization services. The contract, awarded April 1, 2025, with an ultimate completion date of December 15, 2025, requires Manson to provide hopper dredge equipment and support services for maintenance dredging operations at multiple West Coast locations including Humboldt Bay, California; the Mouth of the Columbia River...
- The U.S. Army Corps of Engineers awarded a $28.8M firm fixed-price definitive contract to Curtin Maritime Corp on June 21, 2024, for fiscal year 2024 maintenance dredging of the Oakland Inner and Outer Harbor channels. Under this full and open competition procurement, Curtin Maritime will dredge the channels to 50 feet below mean lower low water plus 1 foot of overdepth and transport the dredged materials to the Cullinan upland beneficial reuse site. The contract is not set-aside and carries...
- This is a definitive firm fixed price contract awarded by the U.S. Army Corps of Engineers, Engineering District San Francisco to The Dutra Group, doing business as Dutra Dredging, for $11,328,457.00. The contract is for annual maintenance dredging of the Oakland Inner and Outer Harbor in California to a depth of 50 feet plus 2 feet of overdepth, using contour dredging techniques and transporting the dredged materials to upland sites or an ocean disposal site. The contract has a period of...
The U.S. Army Corps of Engineers, San Francisco District, awarded a $23.56 million firm fixed-price definitive contract to Manson Construction Co. on December 8, 2025, for annual maintenance dredging of the Oakland Inner and Outer Harbor Channel. The work encompasses dredging the channel to 50 feet below Mean Lower Low Water plus 1 foot of paid over-depth across 11 designated reaches, with transportation of dredged material to a contractor-furnished upland beneficial reuse site for disposal. This procurement was conducted as full and open competition using lowest-price technically acceptable evaluation criteria, with no small business or other set-aside designations applied. The contract has an ultimate completion date of June 30, 2026. Manson Construction Co., a Seattle-based for-profit corporation founded in 1905, is a leading marine construction and dredging specialist with extensive federal contracting experience. The company holds multiple indefinite-delivery contracts with the Army Corps of Engineers and Naval Facilities Engineering Command, collectively valued at over $1.3 billion, and has successfully executed major dredging and waterfront construction projects across U.S. harbors and naval facilities. This Oakland harbor maintenance dredging award aligns with the Corps' critical mission to maintain navigable waterways supporting maritime commerce and national defense readiness along the West Coast.
Name | Description | Solicitation Number | FederalAgency | Type | PostedDate |
|---|---|---|---|---|---|
OAKLAND INNER AND OUTER HARBOR FY25 MAINTENANCE DREDGING PROJECT | W912P725RA016 | Department of the Army Corps of Engineers Engineering District San Francisco | Solicitation 2/4 | 10/7/25, 3:25 PM | |
OAKLAND INNER AND OUTER HARBOR FY25 MAINTENANCE DREDGING PROJECT | W912P725RA016 | Department of the Army Corps of Engineers Engineering District San Francisco | Pre-Solicitation 1/4 | 8/19/25, 3:32 PM | |
OAKLAND INNER AND OUTER HARBOR FY25 MAINTENANCE DREDGING PROJECT | W912P726CA006 | Department of the Army Corps of Engineers Engineering District San Francisco | Award Notice 4/4 | 12/11/25, 6:10 PM | |
OAKLAND INNER AND OUTER HARBOR FY25 MAINTENANCE DREDGING PROJECT | W912P726CA006 | Department of the Army Corps of Engineers Engineering District San Francisco | Award Notice 3/4 | 12/11/25, 5:15 PM |
Mod # | Description | ReasonForModification | Federal Obligation | Date |
|---|---|---|---|---|
| Not listed | Not listed | $23.1m | 12/4/25 |