Chicago Transit Authority – Railcar Maintenance Facility

Reduced Maintenance Bottlenecks with Automated Material Handling

Location: Chicago, Illinois

The Chicago Transit Authority required a solution to move debris and maintenance materials efficiently within its railcar repair facilities. Serpentix conveyors provided a compact, continuous-path system capable of operating on multiple levels and around tight turns. The conveyors streamlined maintenance operations, minimized downtime, and improved the overall workflow of the facility.

Challenges

Needed a system that could transport sticky, gumbo-like gypsum sludge across vertical and helical paths
Risk of heavy maintenance, labor, and cleanup from traditional conveyor setups
Tramp metal contamination required inline magnetic separation before final discharge
Layout constraints between outdoor pile and elevated processing plant

Serpentix Solutions

Conveyor hauled ~15 tons/hour of screened gypsum waste via 40° incline and 90° helical turn into elevated processing building

Belt pans reinforced with stainless steel for magnet use and durability

Convoluted belt flattened at discharge for even feed into mixing and drying stages

Self-cleaning design ensured minimal residue and maintenance

Results

~100% recovery of original waste pile + reuse of rejected products

Reduced environmental footprint and restored local industrial site

Created a $2M round-the-clock recycling operation for ongoing gypsum recovery

Helped transition from high-maintenance, multi-conveyor design to compact, versatile conveying

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Serpentix is fully compliant with the Build America, Buy America Act—ensuring high-quality, American-made materials for federally funded projects.