Civil Engineering

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Client-tailored Solutions

The Sigma Group civil engineering approach is simply to deliver timely, cost-effective projects. First, we develop an understanding of our clients’ priorities, then deliver services to facilitate their needs. We apply this approach throughout all due diligence studies to project completion.

Sigma offers a complete range of civil engineering services for commercial, industrial, residential and municipal development and infrastructure projects:

Site Development Services
  • Initial due diligence and feasibility studies
  • Paving plans / pavement structure design
  • Erosion control plan / permitting
  • Grading/drainage plans / mass balance
  • Layout planning
  • Utility plans
  • Stormwater management plans / reports / permitting
  • Sustainable site design (LEED® accredited professionals)
  • Wetland delineation / NR 103 Alternatives Analysis
Utility Design Services
  • Coordination with private utilities
  • Private site utility design / permitting
  • Public water main, sanitary sewer and storm sewer design / permitting
Stormwater Management Planning / Design
  • Conveyance systems design
  • Maintenance plans
  • Modeling
  • NR 216 Notice of Intent submittals / permitting
  • Site infiltration evaluations
  • Transportation planning / design

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Sigma knows civil engineering, employing appropriate techniques to most efficiently facilitate development projects.

Waterways
  • HEC-RAS flood plain analysis
  • WDNR Chapter 30 Waterway permitting
Transportation Planning / Design
  • Pavement structure design
  • Public and private roadway design
  • Public presentations / involvement
  • Traffic impact studies
Geotechnical Investigation Coordination
  • Foundation, floor slab and pavement structure recommendations
  • Site preparation / engineered fill recommendations
  • Storm water infiltration site evaluations
Services Offered During Construction
  • Close-out inspections and documentation
  • Documentation preparation and bidding
  • Management / administration
  • Oversight / inspections

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