Dutra
EXPLORE THE PROJECTS
Dredging
Coast-to-Coast Experience and Decades of Expert Knowledge, combined with a State-of-the-Art Fleet.
EXPLORE THE PROJECTS
Marine Construction
Building for the U.S. Economy with Transportation, Jobs, Growth, and Resilience in mind.
EXPLORE THE PROJECTS
Delta Division
Protecting Land, People, Property and Agriculture from Floods and Drought throughout the Nation.
EXPLORE THE PROJECTS
Legacy Projects
Leveraging over a century of experience to Build, Protect, Restore, and Ensure our Future.
Dredging
Dredging
Upper Newport Bay, California, Ecosystem Restoration Phases I & II
We restored the entire Upper Newport Bay Basin and minimized the need for future maintenance of sensitive habitat areas.
Dredging
Oakland, California, Harbor Navigation Improvements
We performed 50% of the work needed to deepen the federal channels of the Oakland Harbor and Port-maintained berths.
Dredging
Marina Del Rey, California, Harbor Maintenance Dredging
In the $11 million Marina del Rey harbor maintenance dredging project, we removed 800,000 cubic yards of material.
Dredging
Caminada Headland, Louisiana, Beach and Dune Restoration Increment II
Our hopper dredge Stuyvesant accomplished the dredging and pump-off in one continuous 24/7 operation.
Dredging
Thimble Shoal & Cape Henry Channels, Virginia, Maintenance Dredging
We performed maintenance dredging on the Thimble Shoal and Cape Henry Federal Navigation Channels.
Dredging
Brisbane, California, Marina Entrance Channel Maintenance Dredging
We dredged, transported and disposed of sediments from the Brisbane Marina at identified disposal sites.
Dredging
Fire Island, New York, Stabilization
Our hopper dredge Stuyvesant dredged sand from a borrow area south of Westhampton Beach to stabilize the Fire Island shore.
Dredging
Maintenance Dredging Morehead City Harbor, North Carolina, Ranges A & B
We removed and disposed of shoaled material that had accumulated in the channels since they were last dredged.
Dredging
Naval Base San Diego, California, Maintenance Dredging
We conducted maintenance dredging at piers and processed dredged material containing irradiated objects and explosives.
Dredging
Emergency Feather River Dredging and Debris Removal
After 2017’s record Northern California storms, we cleared the Feather River from Hyatt Powerplant to Thermalito Diversion.
Dredging
Canaveral Harbor, Florida, 44-Foot Channel
We dredged approximately 3 million cubic yards of material to widen and deepen the main channel at Port Canaveral, Florida.
Dredging
Larkspur, California, Ferry Terminal Berths and Channel Maintenance Dredging
We conducted maintenance dredging of the Larkspur Ferry Terminal berths, turning basin and approach channel.
Dredging
Redondo Beach, California, Nourishment
We Repurposed 160,000 cubic yards of sand to build up an eroding section of Redondo Beach.
Marine Construction
Marine Construction
Peyton Slough, California, Restoration
We capped toxic sediments and dredged a winding slough to keep poisons out of the Bay and create wildlife habitat.
Marine Construction
Crescent City, California, Marina
We built a tsunami-resistant marina during just two “environmental windows” when in-water work was not restricted.
Marine Construction
Cabrillo Way Marina, California, Rehabilitation
We dredged, demolished, recycled and rebuilt all marine portions of this award-winning green, sustainable project.
Marine Construction
St. Paul, Alaska, Small Boat Harbor, Central Bering Sea Fisherman’s Sea Association
We designed and built a small boat harbor on St. Paul Island, located in the Bering Sea off the west coast of Alaska.
Marine Construction
Eden Landing – Tidal Restoration
To manage tidal wetlands, we restored 15,000 acres of former salt ponds at the San Francisco South Bay Pond.
Marine Construction
San Francisco Marina West Harbor Renovation
We demolished the old wood docks, piles and gangways, and dredged to a depth of 12 feet.
Marine Construction
San Francisco–Oakland Bay Bridge Emergency Repair (Pier W4-D tower)
We installed a fender system for the Bay Bridge Eastern Span replacement, California’s largest-ever public works project.
Marine Construction
Newport Beach Marina Park, California
We constructed a new community center, sailing center, park area, playgrounds, and marina on the Balboa Peninsula.
Marine Construction
Cullinan Ranch, California, Wetland Restoration, Phase IV
We restored the Cullinan Ranch Wetland to create native habitat for threatened and endangered wetland plants and wildlife.
Marine Construction
North Bay Operations and Maintenance Facility, Napa, California: Waterside Construction and Passenger Float Project
We designed and built new ferry berths to accommodate passenger service and maintenance activity.
Marine Construction
North Point Outfall Rehabilitation
We participated in the cleaning and relining of over 3,000 linear feet of cast iron outfall pipe in San Francisco Bay.
Marine Construction
Napa-Sonoma Marshes, California, Wildlife Area’s Plant Restoration
Our work on this tidal restoration project benefited a range of wildlife while also providing public access.
Delta Division
Delta Division
2004 Jones Tract Levee, California, Emergency Breach Repair
After a handshake deal with the governor, we plugged the breach with 200,000+ tons of rock, finishing 20 days early.
Delta Division
Webb Tract, California, HMP Levee Maintenance
We placed approximately 9,300 tons of imported fill along the levee’s landside slope, toe and crown.
Delta Division
Drought Emergency – Temporary Rock Barrier
We installed a barrier of 150,000 tons of embankment rock and 35,500 sf of sheet piles across the West False River.
Delta Division
Wright Elmwood Tract HMP, California, All-Weather Road Project
We placed imported fill, and the Dutra Fabrication shop prefabbed all the siphon pipes to be installed.
Delta Division
Brannan Andrus, California, Levee Stability Berm
We prevented slope slippage by placing drain rock as ballast at the land-side toe of the levee.
Delta Division
Emergency Levee Erosion and Stability Repairs (South) 2017
We immediately responded to emergencies at seven sites and repaired severe erosion damage to the levee.
Delta Division
Tyler Island, California, Emergency Levee Repair
We immediately responded to a saturated levee emergency and repaired a slope damaged by heavy rains.
Delta Division
Twitchell Island, California, Dredge Material Placement Site Construction Project
We built an approximately 28,000 cubic yard containment levee on Twitchell Island.
Delta Division
Sacramento River, California, Erosion Site Revetment Restoration
We placed riprap on the levee and removed vegetation.
Legacy
Legacy Project
Peyton Slough, California, Restoration
We capped toxic sediments and dredged a winding slough to keep poisons out of the Bay and create wildlife habitat.
Legacy Project
2004 Jones Tract Levee, California, Emergency Breach Repair
After a handshake deal with the governor, we plugged the breach with 200,000+ tons of rock, finishing 20 days early.
Legacy Project
Oakland, California, Harbor Navigation Improvements
We performed 50% of the work needed to deepen the federal channels of the Oakland Harbor and Port-maintained berths.
Legacy Project
Crescent City, California, Marina
We built a tsunami-resistant marina during just two “environmental windows” when in-water work was not restricted.
Legacy Project
Upper Newport Bay, California, Ecosystem Restoration Phases I & II
We restored the entire Upper Newport Bay Basin and minimized the need for future maintenance of sensitive habitat areas.
Legacy Project
Eden Landing – Tidal Restoration
To manage tidal wetlands, we restored 15,000 acres of former salt ponds at the San Francisco South Bay Pond.
Legacy Project
San Francisco Marina West Harbor Renovation
We demolished the old wood docks, piles and gangways, and dredged to a depth of 12 feet.
Legacy Project
Naval Base San Diego, California, Maintenance Dredging
We conducted maintenance dredging at piers, and processed dredged material containing irradiated objects and explosives.
