STORMWATER MANAGEMENT DESIGN
Water Quality Design
Water Quantity Design
Water Quantity Design
- Environmental Site Design
- Manufactured Designs, Hydrodynamic Separators, Cartridge Systems, Tree Box filters
- Underground/Above Ground Filtering Practices
- Wet/Extended Detention/Combination Ponds
- Dry/Wet Swales
- Enhanced Channels
- Green Roofs
- Rainwater Harvesting
- Permeable Pavement
- Bioretentions
- Constructed Wetlands
- Vegetated disconnections, filter strips, soil amendments
Water Quantity Design
Water Quantity Design
Water Quantity Design
- Detention Ponds, Combination Ponds
- Hydraulic Structures Design, flow splitters, combined and separated spillways involving risers, concrete weirs, vegetated and stone spillways/channels
- Plastic/CMP/RCP chamber detention systems
- Precast or Modular underground detention systems
- Custom cast-in place detention vaults
- Erosion Sediment Control
- Channel Protection
- Flood Protection
Major and Minor Drainage Design
Major and Minor Drainage Design
Major and Minor Drainage Design
- Channels/Ditches and Storm Sewer conveyance systems
- Arch, Elliptical, Cylindrical, Box Culverts
- Highway Storm Design
- Roadway Storm Design
- Park and Rides
- Municipal/Local, State and Federal Design
- Commercial, Mixed Use Design
- Rural, Urban, Suburban Design
- Private Development Residential, Large/Small Subdivision Design
- Floodplain hydraulic modeling, mapping, studies
- CLOMR/LOMR FEMA processing
Compliance Criteria
Major and Minor Drainage Design
Major and Minor Drainage Design
- EISA 438 Federal Compliance
- Virginia Department of Environmental Quality (DEQ)
- Virginia Department of Transportation (VDOT)
- Loudoun County
- Fairfax County
- Arlington County
- Prince William County
- Town of Purcellville
- Town of Leesburg
- Town of Lovettsville
- Tysons Corner Comprehensive Retention, Volume Reduction, and Peak Flow Reduction Requirements
- Reston Comprehensive Volume Reduction, Peak Flow Reduction and New Development Requirement
- LEED Sustainable Sites Water Quality and Quantity Criteria