The Tampa Harbor Maintenance Dredging 34-Foot Project, Upper Channels, was a 270-day initiative conducted in Hillsborough County, Florida. This extensive project focused on restoring navigation channels to optimal depth while adhering to stringent environmental standards.
Restoring Navigation Channels to Optimal Depth
The primary task involved dredging the channels to a depth of 34 feet, ensuring safe and efficient maritime operations. Dredged material was carefully removed, transported by barge, and offloaded at the Dredge Material Placement Facility (DMPF) 3-D, situated approximately 4 nautical miles south of the Port Sutton Entrance Channel. Rigorous environmental monitoring accompanied these efforts to minimize ecological impact.
Overcoming Challenges During Dredging Operations
Orion (formerly Orion Marine Group) successfully navigated several challenges, including coordination with third-party stakeholders for access to dredge areas, working near an active airport, and managing the removal of rocks and debris within the dredging zone. Their expertise ensured seamless execution and adherence to project timelines.
Key Project Highlights
Channel Depth Achievements
- Channels dredged to a depth of 34 feet Mean Lower Low Water (MLLW), with a 2-foot allowable overdepth.
Efficient Material Transportation
- Dredged material transported via barge to a remote placement facility.
Navigating Proximity Challenges
- Operations conducted in proximity to an active airport.
- Addressed the presence of rocks and debris within the dredging area.
Collaborative Efforts
- Collaborated with third parties for dredge area access.
- Coordinated with another dredging contractor using the shared disposal site.
- Negotiated in-house resource sharing with a separate contract owner.
Environmental Stewardship
- Comprehensive environmental monitoring, including species observation, turbidity control, bird surveys, and sea turtle trawl sweeping.
Conclusion
This project underscores the importance of strategic planning, environmental stewardship, and expert execution in maintaining vital maritime infrastructure.