Appalachian Pipeline Contractors
Large-diameter coated transmission pipe staged along a cross-country right-of-way

Large-Diameter and Cross-Country Pipeline Construction

The big transmission lines, large diameter and running cross-country, are the backbone of the system. Building them is about scale and sequencing, and that is work we are built for. Do not let anyone tell you we are too small for it.

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In scope

What this covers

  • Large-diameter mainline construction
  • Cross-country transmission lines
  • Spreads and crews scaled to the project
  • Self-performed by our own union crews

Capacity is about spreads, not the map

Capacity in this business comes from how you stack spreads and crews, not just diameter or mileage. We scale crews and superintendents to the project, which is how a 20-mile job and a 60-mile job get built the same way. The longer one just runs longer.

Read: What a "spread" means in pipeline construction

Good to know

Common questions