stormwater

HAI's Stormwater department embodies extensive experience in stormwater system design and management, making HAI a leading expert in stormwater solutions. Professional team-member capabilities include environmental and civil engineering; geomorphology surveys, nutrient management plans, and watershed analyses; stormwater modeling and GIS mapping; and permitting assistance and construction oversight.

Design

• Stormwater Treatment System Design
• Stormwater Retrofit Assessment
• Innovative Stormwater Technologies
• BMP Effectiveness Modeling
• BMP Design for Pollutant Source Control
• Comprehensive Hydrologic Evaluations
• Hydraulic Conductivity Evaluation
• Soil Profile Assessment
• Site Surveys & Analyses
• Subsoil Investigation
• Construction Materials Procurement
• Site Layout/Low Impact Design
• Permitting Coordination

Management

• Erosion and Sedimentation Control Plans
• Pollution Prevention Management Plans
• Stormwater Conveyance Systems Inventory
• Comprehensive Hydrologic Evaluations
• Erosion “Hot-Spot” Inventories
• Watershed Surveys and Analyses
• Impervious Surface Mapping
• Stormwater Quantity and Quality Modeling
• Stormwater Treatment System Review

Design and Management Technologies

• Aerial and Remote Imagery Analysis
• Site-Plan Geo-referencing
• AutoCAD/HydroCAD Subcatchment Modeling
• GPS/GIS Mapping & Digitizing
• P8 Modeling
• WEPPRoad Modeling
• GWLF Modeling