Marine Breakwalls and Revetments > Our Expertise > Marine > Breakwalls and Revetments Since 1950, 91Èȱ¬has transported and placed 3 million tons of stone material for sea defense projects through the Great Lakes, North America, the Caribbean, and Hawaii. Systems include: Breakwall Construction Shoreline Reconstruction Revetments Offshore Breakwalls Marinas Reefs Scour Protection Rip Rap Wave Reduction Structures Jetties and Groins Breakwalls and Revetments Projects Marina Breakwall, Petoskey, MI Oswego Breakwall Repairs Improved Beach Access to Lake Michigan Rebuilding Cleveland’s Outer Breakwall
Since 1950, 91Èȱ¬has transported and placed 3 million tons of stone material for sea defense projects through the Great Lakes, North America, the Caribbean, and Hawaii. Systems include: Breakwall Construction Shoreline Reconstruction Revetments Offshore Breakwalls Marinas Reefs Scour Protection Rip Rap Wave Reduction Structures Jetties and Groins Breakwalls and Revetments Projects Marina Breakwall, Petoskey, MI Oswego Breakwall Repairs Improved Beach Access to Lake Michigan Rebuilding Cleveland’s Outer Breakwall