Olive Ridge Greenway/Boardwalk Flood Study
S&EC performed hydraulic analysis for the proposed Olive Ridge Subdivision Greenway/Boardwalk project by performing a comprehensive flood study to determine water surface elevations and floodplain mapping for a planned community greenway project within the Town of Apex, North Carolina. Our analyses utilized the U.S. Army Corps of Engineers (USACE) HEC-RAS (River Analysis System) to simulate existing and future floodplain. Recommendations for the proposed boardwalk configuration were provided to the project engineer for incorporation into the design plans. Working on behalf of the developer, S&EC prepared the Flood Study report including supporting hydraulic models, floodplain and floodway mapping, water surface profiles, and a Conditional Letter of Map Revision (CLOMR) application for review by the Town of Apex, Wake County and Federal Emergency Management Agency (FEMA). In addition, S&EC performed a jurisdictional delineation of regulated wetlands and streams, and evaluated the proposed crossing relative to U.S. Army Corps of Engineers (USACE) and NC Division of Water Resources (DWR) permitting requirements.
