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Home  » About Us  »  CMT Department
AEC's Construction Materials Testing (CMT) Division specializes in the following:
  • Materials Engineering, Testing & Inspection
    • soils, fill & landfill
    • masonry, mortar, grout
    • foundation
    • fireproofing
    • concrete
    • roofing
    • asphaltic concrete
    • soil stabilization
  • Quality Assurance/Quality Control
  • Materials Evaluation
  • Asphalt Mix Design
  • Concrete Mix Design/Review
  • Structural Steel Inspection and Non-Destructive Testing
  • Specifications Review

AEC's Construction Materials Testing Department is managed by Mr. Shane Ressman, P.E.

The Engineer of Record is Mr. Ronald E. Ortwerth, P.E.

Construction Materials Testing Department Staff:
Mr. Ronald E. Ortwerth, P.E.
Mr. Shane Ressman, P.E.
Mr. Dan Wiesniewski, Project Manager

5790 Windfern · Houston, TX 77041 · 713-895-7645 ·
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