Simmons-Johnsey Engineering, LLC
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Simmons-Johnsey Engineering, LLC
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Civil Engineering

Our professional engineering services in civil engineering include

the following:

  • Residential Subdivision Master Planning, Site Layout, and Design
  • Commercial, Industrial, and Recreational Park Site Development and Planning
  • Site Planning, Design Layout, and Facility Development
  • Grading Plans
  • ALDOT Entrance Road Permitting
  • Site Drainage Design and Hydraulic Analysis
  • Stormwater Detention Pond Design and Analysis 
  • Erosion and Sediment Control Planning 
  • ADEM Stormwater Permitting and Compliance 
  • Best Management Practices (BMP) Plans 
  • Spill Prevention, Control, and Countermeasure (SPCC) Plans 
  • Roadway Design, Pavement Maintenance, Rehabilitation, and CE&I Services 
  • Roadway Pavement and Parking Lot Design 
  • ADEM Landfill Air Permitting (Minor Sources, Title V, Synthetic Minor, NSR/PSD) 
  • Construction & Demolition (C&D) Landfill Permitting and Design

Mining Engineering

Our professional engineering services in mining engineering include the following:


  • Permitting for the Alabama Surface Mining Commission (ASMC), Alabama Department of Environmental Management (ADEM), Mine Safety and Health Administration (MSHA), Alabama Department of Labor (ADOL), United States Army Corp of Engineers (USACE), Alabama Historical Commission (AHC), Alabama Department of Conservation & Natural Resources (ADCNR)
  • MSHA Impoundment Design
  • Coal Mine Waste Bank Design
  • Sediment Basin Design
  • Excess Spoil Fill Design
  • Haul Road Design
  • Coal and Rock Quarry Reserve Estimates
  • Surface and Underground Mine Planning
  • MSHA Underground Seal Plans and Roof Control Plans
  • Subsidence Control Plans
  • Highwall Miner and Auger Mining Planning
  • Blasting Plans
  • Dam Breach Analysis
  • Bond Releases
  • ADEM Underground Injection Permitting
  • State Indirect Discharge (SID) Permits
  • Terminal Reclamation Plans

Unmanned Aircraft Systems (UAS)/Drone Services

Our FAA Certified Drone Pilot provides the 

following UAS drone services:


  • Aerial Imagery and Video
  • Georeferenced Orthomosaic Images
  • Topographic Contours
  • Digital Terrain Models (DTM)
  • Digital Elevation Models (DEM)
  • Digital Surface Models (DSM)
  • 3D Modeling
  • Stockpile Volumetric Calculations
  • Pit Mapping
  • Construction Monitoring and Progress Reporting


Construction Inspection & Soil Lab Services

  • ALDOT Temporary Traffic Control Technician Certified
  • ALDOT Concrete Technician Certified
  • ALDOT Earthwork (Unbound Material) Technician Certified
  • ALDOT Roadway HMA Pavement Technician Level II Certified
  • ACI Concrete Field Testing Technician - Grade I Certified
  • Radiation Safety Technician Certified
  • Asphalt Paving Inspections
  • ALDOT and AASHTO Concrete and Soil Material Sampling and Testing
  • Compaction/Density Testing
  • ADEM Stormwater BMP Inspections
  • Pond Construction Inspections
  • Road Construction Inspections
  • Atterberg Limits
  • Sieve Analysis
  • Soil Classification
  • Standard and Oversized Proctors
  • Specific Gravity
  • Percent Moisture

Environmental Engineering

 

  • Environmental Assessments (EA) and Environmental Impact Statements (EIS) 
  • Environmental Impact Statement (EIS) Preparation 
  • NEPA Permitting, Planning, and Documentation 
  • Federal Coal Lease Documentation 
  • Wetland Delineation and Ecological Resource Assessment 
  • Wetland and Stream Identification, Classification, and Delineation 
  • Stream Assessment and Monitoring 
  • Stream Restoration and Natural Stream Channel Design 
  •  Floodplain Studies
  • U.S. Army Corps of Engineers (USACE) Permitting – Individual and Nationwide Permits
  • State Natural Heritage Surveys (e.g., Alabama Historical Commission - AHC)
  • Air Quality Permitting, NESHAP, and NSPS Compliance


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