civil engineering

LEI Engineering & Surveying's full service civil engineering shop is highly experienced and skilled at civil site design, commercial and industrial development, residential design, stormwater treatment, hydraulic design, and roadway engineering. From the planning stages to construction, we create the strategies that transform empty lots and crowded urban landscapes into useful assets to the community.

Key to LEI Engineering & Surveying's success are open communications with our clients from the onset of a project through final project closeout. We work to gain a thorough of client objects, needs, project constraints, and budgets and then work to tailor an engineering approach to client needs. Our objective is always to provide our clients with the greatest return on investment possible through highly specialized and proven engineering techniques.

Moreover, LEI Engineering & Surveying has been in business for over 30 years. This means that we understand the ebbs and flows of the Pacific Northwest economy and can help our clients successfully complete projects to meet current and foreseeable future market conditions. Our clients success is our success. LEI Engineering & Surveying takes great pride in meeting our clients needs and doing our absolute best to make our clients happy.

Residential Engineering and Development

  • Project feasibility analysis
  • Partition and subdivision engineering
  • Planned Unit Developments (PUD)
  • Lot layouts and grading design
  • High density housing 
  • Road and pedestrian pathway design
  • Stormwater collection, conveyance and treatment
  • Utility design
  • Permitting
  • Construction documents and specifications

Commercial Civil Site Design

  • Master planning
  • Collaboration with project architects 
  • Layouts and preliminary engineering analysis 
  • Grading and finish floor elevations
  • Parking analysis and design
  • Roadway design 
  • Stormwater analysis and treatment
  • Utility design and plans
  • Construction documents and specifications

Stormwater Analysis and Design

  • Stormwater Management Plans
  • Drywell design / seepage trench design
  • Permitting, including USACE Clean Water Act Section 404 Permits
  • Address green space requirements for City settings

Roadway Engineering

Roads not only provide access to a property, they often provide a first impression of the development. LEI Engineering and Surveying'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

Hydraulic Design and Engineering

  • Stream crossing and fish passage design
  • Stream channel modification and enhancements 
  • Scour and piprap analysis for culverts and bridges
  • Stamped hydraulic reports for bridge and culvert replacement projects
  • Pedestrian and vehicular bridge