Humiston & Moore Engineers

Full-service beach nourishment design including erosion analysis, computer modeling of beach fill alternatives, sand source definition and compatibility analysis, and construction management. H&M performs offshore sand searches, vibracore sampling, and sub-bottom seismic profiling to identify suitable sand sources for hydraulic dredge delivery.

• Erosion Analysis
• Modeling of Beach Fill
• Sand Source Definition
• Sand Search and Compatibility
• Dune Restoration

Design, permitting, and construction of erosion control structures including breakwaters and T-groins that modify wave forces and restore beaches as sea turtle nesting habitat. H&M has completed nine successful erosion control projects in Florida.

• Erosion Control Structures
• Shore Protection Structures

Design and management of dredging projects for beach restoration, inlet maintenance, Intracoastal Waterway maintenance, and navigation channel alignment optimization using numerical tidal hydrodynamic modeling.

• Dredging
• Navigation
• Inlet and Navigation Channel Maintenance

Combined navigation engineering and tidal hydrodynamic modeling expertise backs award-winning marina projects throughout Florida. H&M develops basin configurations with adequate natural water circulation, determines vessel sizing and fleet mix from ingress and egress waterway characteristics, and manages dredging design alongside regulatory permitting for sovereign submerged lands approvals. Project experience spans residential facilities and full-service marinas with fueling and ship's store.

• Tidal Hydrodynamic Modeling
• Basin Configuration
• Dredging Design
• Vessel Sizing
• Permitting
• Residential Marina Design
• Commercial Marina Design

FEMA flood zone evaluations, LOMR (Letter of Map Revision), LOMA, and CLOMR processing, base flood map updates, and elevation certificates for coastal properties.

• LOMR / LOMA / CLOMR
• Base Flood Map
• Elevation Certificate

State-of-the-art coastal numerical modeling using tools such as Bouss-2D, SMS with STWave, and tidal hydrodynamic models. Services include wave transformation, sediment transport, long-term coastal morphology, tidal inlet and estuary modeling, and dune erosion modeling.

• Wave Transformation Modeling
• Sediment Transport Modeling
• Tidal Hydrodynamic Modeling
• Dune Erosion Modeling

H&M provides full-cycle coastal resource management covering hard bottom and reef mitigation, beach and inlet management studies, and regional sand budget analysis. Coastal Construction Control Line permitting and storm protection benefit analysis - including economic quantification of reduced storm damage attributed to healthy wide beaches - support funding and assessment decisions for Beach Management Erosion Control Taxing Districts.

• Hard Bottom and Reef Mitigation
• Beach & Inlet Management
• Regional Sand Budget
• Coastal Construction Control Line Permitting
• Storm Protection Benefit Analysis

Coastal project management including specification preparation, data collection, feasibility studies, construction management and observation, shoreline and volumetric change analysis, and post-construction reporting.

• Specification Preparation
• Data Collection
• Feasibility Studies