IDOT CONTRACT 62D78 (JANE BYRNE INTERCHANGE)

WB I-290 78” STORM SEWER FROM PEORIA TO MORGAN

Tecma was the prime consultant for this $2.3 million project

  • Project consisted of installation of 78” diameter sewer utilizing CLSM backfill due to poor soil conditions.
  • Project challenges included:
    • Extensive coordination with surrounding projects
    • Installation of soil retention system surrounding sewer in poor soil conditions to prevent displacement of surrounding buildings
    • Extensive monitoring of adjacent buildings and retention system