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 7 coastal problems and provide cost-effective solutions. Our proven track record with complex projects in the Florida and the Caribbean is a testament to our capabilities. Coastal Systems has developed a strong capability in utilizing advanced numerical models to simulate coastal processes at beaches, inlets, waterway systems and waterfront/coastal areas. These services include the analysis of winds, waves, storm surge, sediment transport, water quality (flushing) and tidal current that will affect marine structures, vital infrastructure and beaches. Coastal Systems utilizes the Danish Hydraulics Institute (DHI) MIKE-21 software package to simulate techniques to model hurricanes and associated storm surge and waves, hydrodynamic processes, water quality, sediment transport processes and morphological changes. Our firm’s numerical modeling capabilities have also been utilized in the detailed design of coastal/waterfront projects involving wave refraction and diffraction simulation, current-wave interactions, Sargassum deposition, longshore sediment transport, and sediment deposition along the coast. Coastal Systems has developed a very strong capability in the practical application of these models based on design projects conducted in Florida and internationally. o MIKE-21 Hydrodynamic – MIKE-21 is a professional engineering software package developed by DHI Water and Environment. The MIKE-21 FM Hydrodynamic (HD) model simulates two-dimensional water level variations and flows in response to a variety of forcing functions in lakes, estuaries, bays and coastal areas. o MIKE-21 Boussinesq Waves – The Boussinesq Wave model (MIKE-21 BW) is the state-of-the-art numerical model for calculation and analysis of short- and long- period waves in ports, harbors and coastal areas. MIKE-21 BW can also be used for detailed modeling of wave-induced current fields, surf zone dynamics and swash zone oscillations. MIKE-21 BW is capable of reproducing the combined effects of all important wave phenomena of interest in port, harbor and coastal engineering; these include shoaling, refraction, diffraction, wave breaking, bottom friction, moving shoreline, partial reflection and transmission, non-linear wave-wave interaction, frequency spreading and directional spreading. o MIKE-21 Spectral Waves – The Spectral Wave Model (MIKE-21 SW) is a new generation spectral wind-wave model, used for the assessment of wave climates in offshore/coastal areas in hindcast and forecast mode. The model simulates the growth, decay and transformation of wind-generated waves in offshore and coastal areas. A major application for this model is the design of offshore, coastal and port structures where accurate assessment of wave loads is of utmost importance to the safe and economic design of coastal infrastructure. o LITPACK/LITLINE – LITPACK combines a technical deterministic sediment transport model with user-friendly facilities for the simulation of a large number of wave/current