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Conti Federal
Edison, NJ 08817
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Gulf Coast Jetty and Dike Repairs
Project Information
- Project Location:
- Gulf Coast, TX
- Approx Contract:
- $50,000,000
- Status:
- Completed
- Structure Type:
- Misc Project
References
- Client:
- USACE Galveston
Scope Of Work
Key features
?Surveyed and documented stone placement
Excavated and removed submerged stones
Shaped and placed blanket, core and filler stone
Controlled erosion
Worked off marine barges
Conti performed this design-build project repairing major jetty and dike systems to protect communities in six locations along the Gulf of Mexico.
?Record-setting hurricane seasons have a history of wreaking havoc on the Gulf of Mexico. Destruction caused by hurricanes Dolly and Ike left huge repairs needed to the coastal defense systems meant to withstand them. Among these systems are numerous jetties and dikes protecting Texas and Louisiana coastlines which are critical to community and state economies as they support commercial maritime traffic, tourism and recreational activities.
Conti performed this design-build project to repair major jetty and dike systems in six locations along the Gulf of Mexico: Galveston, Freeport and Brazos Island Harbors, Matagorda Ship Channel, Sabine-Neches Waterway and the Texas City Dike. The team performed a survey at each location to determine if stone was recoverable before commencing construction and worked closely with United States Coast Guard to monitor Maritime Security levels for active traffic.
Using excavators stationed on barges 2-3 miles off-shore, Conti recovered and placed new stone in 100 linear-foot segments. This ensured the smaller base stone of the jetties was sealed with cover stone before work crews moved to the next section, reducing the risk of newly placed stones being washed away by swells. Conti also conducted detailed surveys using Real Time Kinematic sonar equipment to confirm quality stone placement and repairs. In addition to the logistic difficulties of excavating from a barge, Conti continually battled the weather, and flooding of the Mississippi River made coordinating stone shipments difficult.