For the City of Evanston, INTERRA continues to provide Quality Assurance and has covered all areas of Evanston. Since 2005 the work has involved soil, concrete, and asphalt and included on-site material testing and material Quality Assurance for various routes located in Evanston. Activities include plant and field testing and Quality Assurance on HMA, plant testing on Portland cement concrete (PCC), laboratory testing on all HMA and PCC. Projects consist of overall Quality Assurance and reporting. Material Quality Assurance Technicians used on this project are all PCC and HMA Level II certified by IDOT and have performed inspections on several IDOT MFT QC/QA projects. All work was reported on the latest IDOT QC/QA package. INTERRA has also provided Geotechnical, pavement coring, and Environmental Services for various Evanston locations for Street and Alley Sites, Water Main Sites, MFT Sites, and Parking Lot Sites which included CCDD Testing.
