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Construction design requirements have expanded the need for structures to allow greater distances between supporting columns. The installation of cables and reinforcing steel within the concrete forms and spans requires the expertise of Iron Workers with Level 1 & Level 2 Unbonded Post-Tensioning Certification through the Post Tensioning Institute. Projects involving post tensioning can involve highway systems, bridges and airports to name a few.
- VA Hospital Parking Garage – Oakland, PA (Tri City Steel)
- Sheraton Bayfront Hotel Ramp – Erie, PA (Cleveland Cement)
- Greyhound Bus Station Parking Garage – Pittsburgh, PA (Eastern Steel)
- Ellwood Forge – Warren, PA (Somerset Steel Erection)