Storm Water Engineering
HA Projects
- Storm Sewer Systems
- Channels
- Culverts
- Detention/Retention Basins
- Lining Pipe
- Erosion Control and Sedimentation Control Measures
- Lake Outlet Structures
- Regional Detention Facilities
- Gabion Walls
- Stormwater Management Facilities
- New Construction Projects
- Rehabilitation Projects
- Replacement Projects
- Combined Stormwater/Sanitary Sewer Separation Separation Projects
HA Services
- Hydrologic/Hydraulic Modeling
- Drainage Studies
- Floodplain Studies
- Detention/Retention Basin Design
- Storm Sewer & Culvert Design
- Drainage Channel Design
- Environmental Permitting
- Regulatory Permitting
- NPDES Permitting
- SWPPP
- IDOT Entrance Permits
- Establishing BFEs
- Preliminary Engineering Reports
- Construction Documents (Plans & Specs)
- Construction Cost Estimating
- Bidding Assistance
- Construction Administration
- Construction Observation
- Construction Staking
- U.S. Army COE 404 permits
- FEMA LOMA/LOMR
- FEMA Elevation Certificates
HA Clients
- Municipalities
- County Government
- Land Developers
- Residential Community Associations
- Private Sector
- Drainage Districts
- Educational Facilities
- Contractors (ie Surmeier & Surmeier)
- Housing Authorities
- Healthcare Facilities
- Military Facilities
The City of Litchfield’s South Side Ditch Drainage Improvements project is featured HERE.
The City of Jerseyville’s Curtis/Adams Drainage Improvements project is featured HERE.