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This $58-million project to build a 138-kV gas-insulated substation challenged the team to work with a site footprint and schedule that were both tight.
The project team was hired to build a 138/23-kV gas-insulated substation and associated infrastructure in the heart of Pittsburgh for electric utility Duquesne Light.
Built in the 1980s, the county’s light rail vehicle maintenance facility needed a complete rehabilitation. Work pits and other sections used to maintain the rail fleet were severely corroded and in a state of disrepair.