The Sigma Group

Provides timely, cost-effective design and infrastructure planning, establishing a comprehensive understanding of project priorities.

• Site Development

  Manages initial due diligence, paving, grading, erosion control, layout planning, and site preparation recommendations.

• Utility Design

  Designs public water mains, sanitary sewers, storm sewers, and coordinates with private utility systems.

• Waterway Permitting and Analysis

  Performs HEC-RAS floodplain analysis and WDNR waterway permitting.

• Transportation Planning and Design

  Develops public and private roadway designs, pavement structures, traffic impact studies, and conducts public presentations.

Addresses complex runoff challenges through traditional and green infrastructure solutions, optimizing environmental and community benefits.

• Stormwater Site Design

  Engineers tailored site runoff systems to balance development and natural resources.

• Stormwater Modeling

  Utilizes technical models to simulate hydrological behavior and size management systems.

• Stormwater Compliance and Permitting

  Manages NR 216 Notice of Intent submittals and other regulatory compliance requirements.

• Stormwater Grant Administration

  Secures and administers alternative funding strategies to offset green infrastructure implementation costs.

• Stormwater Master Planning

  Develops comprehensive district-scale stormwater strategies for municipal and industrial parks.

Integrates built and natural environments using stakeholder input, code analysis, and creative design solutions.

• Planting Design & Landscape Restoration

  Creates conceptual and construction-level planting plans along with native restoration strategies.

• Site Inventory & Analysis

  Conducts tree inventory surveys, development code reviews, and comprehensive due diligence studies.

• Community & Public Engagement

  Facilitates stakeholder forums and community surveys to build consensus for public projects.

• Landscape Master Planning

  Coordinates zoning, land use, functional space planning, and circulation design.

• 3D Visualization & Presentation

  Produces high-quality SketchUp models and Lumion renderings for project visualization.

• Sustainable Landscape Design

  Provides LEED certification support, Envision sustainability verification, and WI Green Built Gold Standard coordination.

Delivers precise land measurement and mapping services to establish accurate boundaries and topographic foundations.

• ALTA, Boundary, and Topographic Survey
• Construction Layout
• Drone and Laser Scanning
• Certified Survey Maps and Subdivisions

Identifies, assesses, and mitigates ecological and hazardous challenges to ensure safe and compliant redevelopment.

• Phase I and Phase II Environmental Site Assessments
• PFAS Assessments
• Subsurface Investigation and Remediation
• Vapor Intrusion Assessment and Mitigation
• Brownfield Redevelopment
• Asbestos Inspection and Management
• Environmental Health and Safety Compliance and Audits
• Industrial Water and Wastewater Management
• Indoor Air Quality Monitoring
• Mold and Moisture Assessments
• Industrial Hygiene Monitoring
• Funding and Grant Assistance

Conducts structural and operational assessments to maximize asset value and efficiency.

• Property Condition Assessments (PCA)
• Facility Maintenance Assessments and Asset Management
• Construction Loan Monitoring
• Sustainability and Energy Efficiency
• Geographic Information System (GIS)
• Pre-Construction, Demolition, and Existing Conditions Documentation
• Facility and Process Engineering
• Automation and Process Control Design

Provides comprehensive oversight, management, and administrative services to guide projects from design to final completion.

• Construction Administration
• Construction Management
• Construction Inspection
• Owner's Representative