Quality, Service & Commitment

INTERRA NEWS

  • 08 May 2018

    IRTBA Announces INTERRA President To Serve On Green Council Board Of Directors

  • 28 Apr 2018

    INTERRA AWARDED IDOT PTB 187, ITEM 4 PROJECT

  • 08 Dec 2017

    INTERRA Honored With 2017 IRTBA Green Industry Achievement Award For Green Initiatives

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Certified

Laboratory Certifications

  • IL & WI State DOTs
  • ASTM
  • AASHTO
  • USACE

 

Firm Certifications

  • DBE with IDOT
  • MBE with City of Chicago

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Testimonials

Great Lakes Naval Base, Great Lakes, IL: “They reacted extremely well to ever changing schedule demands and testing needs on short notice.” Joseph Albrecht, QC Manager, Blinderman Construction Company

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Chicago Shore Line Storm Damage Reduction -Montrose Harbor

INTERRA Services

Quality Control Services during construction included soil sampling and analytical testing, embankment construction observation and testing, observation and documentation of sheet piles and H-pile installation and wave equation analysis, concrete testing, inspection and testing for bituminous pavement construction. 

Project Summary

The project involved the construction of a stair-step shoreline revetment approximately 2000 feet long at Montrose Harbor.  Significant items of construction include a steel sheet pile wall with battered pile support, steel H-piles, concrete promenade, stone fill, geotextile separation fabric, and stone toe protection.