FCA Mack Assembly Plant Trestles


Walbridge/Aristeo Joint Venture

Project Stats

Detroit, MI


Fiat Chrysler Automobiles




Self-Perform Miscellaneous Steel Installation, Self-Perform Structural Steel Erection


33,000 SF

Project Size

Project Overview

FCA built Detroit’s first new assembly in nearly 30 years on the site of the former Mack Avenue Engine Complex. With an investment of $1.6 billion, the company constructed a new 790,500-square-foot paint shop and renovated two engine plants into a body shop and general assembly.

To connect three separate buildings on site, Ideal Contracting erected two trestles to house the conveyors that carry SUVs from the body shop to the paint shop, and then on to general assembly. Consisting of 2,500 total pieces of steel, the trestles combined for a weight of 1,400 tons and a span of 450 linear feet. As part of this project, the team also completed renovations to multiple interior spaces throughout the complex. The scope of work included new paint, the installation of electrical, mechanical, and fire protection, and the demolition and installation of new door frames and wall panels. With over 20 subcontractors on-site, coordination was key to keeping the project on schedule.

Project Highlights

  • 1,400 tons of steel
  • 450 LF of trestles
  • 33,000 SF

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