• Resident Engineering Services
  • Governmental Liaison Engineering 
  • Constructability Reviews
  • NPDES Compliance Monitoring
  • Ambient Dust and Noise Monitoring
  • Final Measurements/Calculations
  • Material Testing and Inspection
  • Construction Inspection  
  • Final Project Review and Acceptance  
  • Health and Safety Inspection  
  • Occupational Safety and OSHA Compliance
  • Contract Administration
  • Unity Permit Coordination
  • Contract Documentation 

GSG’s Construction Management Services Division works with various transportation agencies to improve public infrastructure and safety. Our experienced professional staff and engineers come from diverse backgrounds bringing a variety of technical perspectives to every project. Combining their experience with our service philosophy of providing the best value for our client’s investments, allows GSG to deliver successful projects reliably and consistently. GSG prides itself in providing construction management services to local transportation agencies in and around Illinois. As a company, we recognize the importance of the technical aspects of projects, along with understanding the need to coordinate the work to ensure minimal disruption to operations within the work area. GSG also strives to maintain a safe work area for employees, as well as the public, by continuously guarding against potential safety hazards. Through this diverse experience, we have gained a solid understanding of the technical and management issues that are unique to various types of infrastructure improvement projects.