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Civil Engineering

LEI hosts a full service civil engineering shop specializing in land development, transportation engineering, and hydraulic design.  From the planning stages to construction, we create the strategies that transform empty lots and crowded urban landscapes into useful assets to the community.

 
Commercial Civil Site Design
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  • Grading and finish floor elevations;
  • Lot layout;
  • Road and pedestrian pathway design;
  • Stormwater collection, conveyance, and treatment;
  • Sanitary sewer collection, conveyance, and treatment;
  • Grading and finish floor elevations;
  • Permitting;
  • Construction Documents and Specifications.
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    Roadway Design
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    Roads not only provide access to and through the property, they often provide a first impression of the development. LEI's designs provide roads with safe, efficient access to homes and business while remaining pleasing to the eye. Our decades of experience include federal, state and local government contracts and private residential projects.

  • Arterial roadway design;
  • City street and rural roadway;
  • Access management;
  • Small bridge design for pedestrians and vehicular traffic;
  • Traffic control design.
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    Hydraulic Design

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    HEC-RAS backwater analysis for bridges and culverts.
    Stream crossing and fish passage design.
    Stream channel modification/enhancements for bridge construction.
    Scour and riprap analysis for culverts and bridges.
    Stamped hydraulic reports for bridge and culvert replacement projects.
    Pedestrian and Vehicular Bridges
    Fish Passage Design

     
    Floodway Engineering (FEMA)

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    Backwater Analysis

    Erosion Control

     
    Stormwater

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    • Drywell design.
    • Grading and finish floor elevations.
    • Permitting.
    • Address green space requirements for city settings

     
    Residential Engineering
  • Lot layout and grading design.alt
  • Road and pedestrian pathway design.
  • Stormwater collection, conveyance, and treatment.
  • Sanitary sewer collection, conveyance, and treatment.
  • Permitting.
  • Construction Documents and Specifications
  •  


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