Completed Projects

Cape Fear River Lock and Dam #2 Scour Hole Repair, Elizabethtown, NC

  • Client: Lambert Engineering, LLC and CJ Mehen (Prime) for US Army Corps of Engineer Wilmington District (Project Owner).
  • Project Scope: Lambert Enginneering wss task with delivering 80,000 tons to stone to fill a scour 45’ deep hole that developed below Dam and threatened the structural integrity of near by lock #2. Services Provided: Trident provided the marine
  • Resources Provided: 27’ 500 HP Jet Drive workboat, also know as a Boat Bridge Erection (BEB), equipment, skilled marine crews, ground crews and expertise necessary to accomplish the project. Trident as the marine sub-contractor lead the effort to River. Trident provided work boat, crew and labor to clear debris and sediment from Cape Fear River Locks and Dams, North Carolina.
  • Results: Trident swiftly and safely met the prime contractor’s time line and requirements Contract Number: USACOE W912PM170091. Dates: October 2017 – February 2018

Cape Fear River Locks and Dams Sediment and Snag Removal

  • Client: Four Points Recycling, LLC (Prime) for US Army Corps of Engineer Wilmington District (Project Owner).
  • Project Scope: Trident as the marine sub-contractor lead the effort to survey, remove snags, and clear sediment from the three Dams on the Cape Fear River. Trident provided work boat, crew and labor to clear debris and sediment from Cape Fear River Locks and Dams, North Carolina.
  • Services Provided: Trident provided the marine survey, operational plan/timeline and US Army Corps of Engineers (USACOE) approved Accident Prevention and Hazard Reduction Plan (AHA). Trident provided over 800 labor hours.
  • Resources Provided: 27’ 500 HP Jet Drive workboat, also know as a Boat Bridge Erection (BEB), equipment, skilled marine crews, ground crews and expertise necessary to accomplish the project.
  • Results: Trident swiftly and safely met the prime contractor’s time line and requirements to get the locks cleaned out and the lock door open after suffering the effects of one hurricane and a major nor-easter flood with left the locks unusable for two years.
  • Contract Number: USACOE W912PM170091. Dates: October 2017 – February 2018. Project Size: $540,000.

Cape Fear River Lock and Dam #2 Scour Hole Repair

  • Client: Lambert Engineering, LLC., and CJM Mahan Engineering, INC., (Prime) for US Army Corps of Engineers Wilmington District (Project Owner).
  • Project Scope: Trident as the marine sub-contractor lead the effort to provided work boat, crew and labor to build a ramp, establish marine push boat operations to deliver 68,000 tons of rock to fill a 45’ deep scour hole that was threating the structural integrity of the Lock and Dam near Elizabethtown, North Carolina.
  • Services Provided: Trident provided the welding services, 27’ 500 HP push boat, pilots/crew and marine work expertise. Trident experience and team effort served to overcome the start-up challenges that occur with a unique project and novel engineering approach. Trident provided over 800 labor hours.
  • Resources Provided: 27’ 500 HP Jet Drive workboat, also know as a Boat Bridge Erection (BEB), equipment, skilled marine crews, marine welders and expertise necessary to get the project through the start-up phase.
  • Results: Trident enabled the prime contractor to overcome initial challenges, delays which resulted in smooth operations to deliver stones to over-water location surpassing production objectives. Trident swiftly and safely met the prime contractor’s time line and requirements.
  • Contract Number: USACOE WXXXXXXXXX. Dates: January 2018 – March 2018

Dredge and Material Disposal of the Survey Vessel Mooring Basin at the Engineer Repair Yard, Wilmington, NC

  • Client:  US Army Corps of Engineers, Wilmington District
  • Project Scope:  Trident was tasked with the clean, precision dredging of 3,000 cubic yards of sediment from the mooring basin and transport the material to an off-site disposal area.  Trident had to accomplish dredging without disrupting on-going operations, damaging close-in facilities and immediately move the material off-site without spillage. Moreover, not leave a trace of what could be a messy job.
  • Results:  With the accuracy of Poseidon, carefully working around obstacles Trident meticulously dredged sediment using a long-reach excavator. Then carefully loading directly on Dump Trucks without spills, Team Trident delivered material to Eagle Island disposal site. Mission Accomplished: depth objective achieve and yard area returned to original condition or better.

Removal of Submerged Jetty and Beach Clean-up, Pamlico River, NC

  • Client: Private Client: Shady Banks, River Road, Washington, NC
  • Project Scope: Trident was challenged with project of removing a stone Jetty that was a serious hazard to navigation. In addition,  Trident had to work with the NC Department of Environmental Resources to achieve approval. Property owner ask us to get rid of cypress knees and root that were exposed once the blocks were removed. These dead cypress knees and roots  over from a cutting were incredibly dangerous. Team Trident guys all experienced a hidden cypress root reaching up to provide a face plant in the water.
  • Results: With the accuracy of Poseidon’s Trident, Earth and rock was moved. In able to meet Department of Environmental Recourses, Trident turned to old school methods of muscle and lift to remove the 3 tons of road pavement with minimal environment impact. Trident prides itself in returning a beach area to its natural preexisting conduction. Moreover, Trident removed a significant hazard to boating on the Pamlico River.
  • Contract Information: Mr. and Mrs. Cindy and Walter Rothchild of Greensboro, NC.

Stabilization and Repair of Freeze Damaged Wall at US Coast Gard Station Hatteras, NC

  • Client: US Coast Guard Station Hatteras, Outer Banks, NC
  • Project Scope: The USCG station engineering building suffered through a tough winter in 2018. Rain on the NC’s outer banks can come in horizontal sheets. Blowing rain combined with freezing conductions and failing brick work will have serious consequences for a building. Trident surveyed the damage and came up with a cutting-edge repair solution and procedures to prevent further freeze/water damage in the future.
  • Results: Trident used StarTie tie back anchors by Helifix and pressure to close and stabilize façade wall to the interior cinderblock wall. The StarTie is a new build stainless steel wall tie used when securing to new or existing brick, stone of concrete wall. It is a wall tie for securing a new leaf or retro fixing and old one to an existing wall. Helifix Startie offers a wall to retrofit and repair  brick walls systems. Trident sealed the wall by filling in cracks in the mortar with professional-grade caulk. Importantly, Trident solved a design flaw by installing door casing and alumina flashing. In addition Trident took the time to caulk other serious mortar cracking in the Engineer Building’s wall. Trident’s ultimate objective was to ensure freeze thaw damage would not occur again.
  • Contract Information: Chief Petty Officer Jamison Smith, Station Engineer and Senior Maintenance Chief.

Specialized Cleaning USCG Helicopter Hanger 49

  • Client: US Coast Guard Air Station Elizbeth City NC
  • Project Scope: USCG facilities management had a interesting problem. Dirt and heavy spider webs had built up on walls, conduits, and hanger door. This condition would prevent the USCG from having the hanger certified to conduct maintenance operations on its JH-60 helicopters. Hanger 49 is where the USCG performs its alert helicopter operations and could not shut down operations, both maintenance and rescue response. Critically, there were a number of environmental restrictions that had to be meet in the performance of the task. Moreover, the Trident team would conduct clean-up operations in close proximity of $36.0 million dollar helicopters.
  • Results: Trident, collaborating with USCG facilities management, came up with a novel solution, which resulted effective removal of dust contaminates while minimizing disruption of essential hanger operations. Trident using specialized method of work with a small foot print and precision-waterless washing was able to clean the hanger to USCG standards while meeting environmental concerns. Trident took pride in its close working relationship with USCG leadership and personnel with enhanced to operational smoothness and results. Moreover, Trident team exhibited flawless safety standards while working around critical helicopter assets. USCG helicopter maintenance personnel expressed amazement at the sparkling condition of Hanger 49 and improvement in the work-place conditions.
  • Contract Information: Chief Warrant Officer Reaves, Station Engineer and Senior Maintenance Chief, Phone Number: (985) 259-5782.