Shelmark Engineering Marine clients include marine contractors, developers to industrial facilities, municipalities and industrial companies. We have a broad range of experience from structural design of docks for 150,00 DWT ocean-going vessels to 254 acre waterfront communities with water and sewer system extensions. • Bulkheads and Piers • Mooring and Breasting Structures • Stockpile Volumetric Surveys • Pile Foundations and Platforms • Segmental Retaining Walls • Marinas and Boardwalks • Boat Houses • Facility Expansions • Dredging Plans and Maintenance • Waterfront Facility Design and Expansion • Platform Walkways • Bridges • Shoreline Protection Systems • Dock Assessments and Inspections • USACE, TCEQ & TXGLO Permits • Wetland Creation/Mitigation