Cummins Cederberg Coastal & Marine Engineering

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BRIEF DESCRIPTION (Brief scope, size, cost, etc.) AND SPECIFIC ROLE Check if project performed with current firm Mr. Clarkson was the principal in charge of operations. To assist the Town of Oak Island in their master plan for shore protection and beach nourishment efforts, we performed geological field investigations consisting of vibracore sampling to evaluate potential borrow sources. Borrow areas surveyed include offshore sources, inlets, navigation channels and upland disposal areas. The investigation consisted of a minimum of 150 cores and maximum of 200 cores, providing flexibility to shift cores from borrow ar eas that contained undesirable material based on the field inspections. This project was comprised of two separate phases of work, in 2019 and 2020. e. (1) TITLE AND LOCATION (City and State) (2) YEAR COMPLETED Broward County Water Conservation Area C-11 Impoundment Miami, Florida PROFESSIONAL SERVICES CONSTRUCTION (If applicable) 2019 BRIEF DESCRIPTION (Brief scope, size, cost, etc.) AND SPECIFIC ROLE Check if project performed with current firm Mr. Clarkson was the principal in charge of operations and ensured the project was successful meeting logistics, required timelines and budget. The objective was to supplement the available data on the various features of the C-11 Impoundment, including embankments, as well as several structures along the project area. Our wetlands experience allowed us to be minimally invasive at the proj ect location. With our amphibious mounted drill rig and support equipment, we conducted soil investigations by performing SPT and core drilling. Large scale DRI tests were performed on exposed limestone surfaces. All samples were photographed and recorded. Upon completion of the geotechnical borings, each bore hole to surface was tremmie grouted. f. (1) TITLE AND LOCATION (City and State) (2) YEAR COMPLETED Bakers Haulover Flood Shoal Miami, Florida PROFESSIONAL SERVICES CONSTRUCTION (If applicable) 2019 BRIEF DESCRIPTION (Brief scope, size, cost, etc.) AND SPECIFIC ROLE Check if project performed with current firm Mr. Clarkson was the principal in charge of operations. For a flood shoal project, 42 vibracore samples were collected utilizing our Scully barge in various locations in the intracoastal waterway near Haulover Pass. g. (1) TITLE AND LOCATION (City and State) (2) YEAR COMPLETED Golden Triangle Marsh Creation Project Lake Borgne, LA (On behalf of the Coastal Protection and Restoration Authority of Louisiana) PROFESSIONAL SERVICES CONSTRUCTION (If applicable) 2018 BRIEF DESCRIPTION (Brief scope, size, cost, etc.) AND SPECIFIC ROLE Check if project performed with current firm Mr. Clarkson was the principal in charge of operations. The Golden Triangle wetlands is an important natural buffer that is one of the multiple lines of defense protecting vulnerable communities in and around the city of New Orleans from storm surge. The project goal was to identify a borrow area containing 6 - 9 million cubic yards of suitable marsh fill material and design a project to create new wetland habitat, restore degraded marsh, and reduce wave erosion outside of the Inner Harbor Navigation Canal surge barrier. Our geotechnical investigation collected vibracores and grab samples within the borrow area.