ABOUT GSG

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PREQUALIFICATIONS, CERTIFICATIONS & PROFESSIONAL AFFILIATIONS

PRE-Qualifications

Illinois Department of Transportation (IDOT)

Pre-Qualified Engineering Consultant
Roadways:
• Highways – Freeways
•Highways – Roads and Streets
Geotechnical Services:
• Complex Geotech/Major Foundation
• General Geotechnical Services
• Structure Geotechnical Reports (SGR)
• Subsurface Explorations
Special Services:
• Asbestos Abatement Surveys
• Construction Inspection
• Hazardous Waste: Simple
• Aerial Mapping/LiDAR
• Mobile LiDAR
• Project Controls
• Surveying
• Subsurface Utility Engineering
Special Studies:
• Location Drainage
Hydraulic Reports:
• Waterways: Complex
• Waterways: Typical
Location Design Studies:
• Rehabilitation
• Reconstruction/Major Rehabilitation
Structures:
• Highway: Typical
• Highway: Simple
Transportation Studies:
• Railway Engineering

Certifications

Disadvantaged Business Enterprise (DBE)

Illinois United Certification Program

Minority Business Enterprise (MBE)

City of Chicago
Department of Central Management Services
Metropolitan Water Reclamation District of Greater Chicago

Professional Affiliations

GSG understands that developing collaborative and strategic professional relationships are fundamental to achieving positive business outcomes. GSG is a proud supporter of each of the following organizations. GSG fully participates in and advocates for these organizations to forge alliances, bring innovation to the industry and improve offerings to clients.