CMI delivers heavy civil marine construction for clients requiring experienced execution in waterfront, nearshore, and in-water environments. Our work includes dock, pier, and bulkhead construction; cofferdams; outfalls; pipeline installation; marine infrastructure rehabilitation; and specialized construction support for complex water-based systems.

Marine construction presents challenges that are different from land-based work. Access is limited. Work windows are often controlled by tides, weather, permits, environmental restrictions, and vessel movements. Means and methods must account for safety, positioning, constructability, equipment stability, and changing site conditions.

CMI brings the equipment fleet, marine yard support, in-house planning capability, and field experience to manage these conditions from preconstruction through completion.

• Dock construction
• Pier construction
• Bulkhead construction and rehabilitation
• Cofferdam construction
• Marine outfall construction
• Pipeline installation
• Waterfront infrastructure repair
• Marine equipment support
• Diver-supported inspection and installation
• Barge-based construction operations
• Work in restricted, shallow-water, and limited-access environments

Dock, pier, and bulkhead projects require careful coordination of structural, marine, geotechnical, access, and environmental considerations. Whether constructing a new system or rehabilitating an existing structure, CMI provides the planning, equipment, and field execution required to complete work safely and efficiently in active waterfront environments.

Cofferdams allow work to be performed in dry or controlled conditions within a marine environment. CMI supports cofferdam construction for repairs, installations, structural work, utility connections, and other water-based infrastructure needs. These operations require detailed planning, sound temporary works, safe dewatering, environmental controls, and experienced field supervision.

CMI supports marine outfall and pipeline installation where alignment, constructability, environmental compliance, and long-term performance are critical. Our marine construction teams are equipped to support large-scale work that requires specialized equipment, barge-based operations, diver support, and coordination with upland infrastructure.