Coastal Systems International, Inc.

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August 18, 2020 Professional Consulting Services City of Sunny Isles Beach RFQ No. 20-07-01 Page 20 connection structure with Tideflex valve along with pump station – is currently the City of Miami Beach Standard. Marine / Coastal Engineering: Coastal Systems conducted a coastal process analysis of the City of Sunny Isles Beach’s shoreline to determine the anticipated volume of erosion that the City would experience over time, the frequency of projected beach nourishment events required, and the most cost- effective coastal structures to prevent further downdrift. Similar services were provided for Palm Beach County, for 40 miles of coastline. In addition, the team has provided shoreline and upland design, environmental permitting, and construction administration services for various waterfront developments. As the prime consultant, Coastal Systems designed the Maurice Gibb Memorial Park project for the City of Miami Beach. The 2-acre park project includes overwater public access structures, a living shoreline with mangrove planters, and improved storm surge protection barriers, designed to protect the park and adjacent neighborhood from various return interval storms. The project is jointly funded by the Florida Inlet Navigation District (FIND) and the City of Miami Beach General Obligation Bond (GOB). Our team also provided services for the design and improvements for Rickenbacker Causeway Recreational Corridor in Miami-Dade County. Coastal Systems provided field investigations, environmental permitting, coastal and civil engineering design and construction administration services for 2.5 miles of recreational shoreline. An off-shore outfall box structure was designed to discharge upland storm overflow into the bay, while protecting the shoreline and marine life. This structure, protected by rock revetment, is designed to break down the energy of the stormwater and discharge though several weep holes and a submerged open grate. The material is a prefab concrete structure, heavy enough to remain undisturbed and light enough to facilitate installation. The bay water flushes in and out through the stone armor, which is inaccessible to manatees. The open grate (non-corrosive material) flushes water out during high tide and is also used for inspection and maintenance purposes. Sea Level Rise & Resilient Design: In the production of any project design, our team analyzes the various elevations of inundation potential from sea level rise, King Tides, rainfall, and storm surge to ensure the longevity of the project’s viability. Our inclusion of resilient design alternatives from an economic approach sets our team apart, as our considerations are made with the municipal budget in-mind.