FEMA and regulatory mapping tasks such as Letters of Map Revision, base flood elevation evaluations, and no-rise certifications. ZRD Engineering Group also provides roadway hydraulic design and related studies under state transportation precertifications. In addition, it delivers spatial analysis using GIS, computer models for flood mitigation, and utility feasibility assessments. The firm offers consultant support including feasibility and risk assessments, independent technical reviews, QA/QC, permitting and modeling troubleshooting, and staff training in Autodesk Civil 3D and custom CADD and GIS workflows.