Underground Electric Transmission


InterCon Construction has the experience and equipment necessary to install any type of underground electric transmission facilities. We have completed projects ranging from direct buried 69kV systems to HPFF pipe and XLPE duct banks. Our expertise includes splicing and terminating in addition to switchgear installation. Our experience includes the following:

XLPE Cable Systems

  • Concrete Encased Duct Bank Installation
  • Horizontal Directional Drilling of HDPE Duct Banks
  • Jack & Bore Casings for Duct Banks
  • Precast and Poured-In-Place Manhole Installation
  • Ground Conductor Installation in Duct
  • Fiber Optic Cable Installation in Duct
  • Fiber Optic Cable Hand Hole Installation
  • Riser Thrust Block Installation
  • Swabbing and Mandrelling

Direct Buried Systems

  • Open Cut Cable Installations
  • Splice Pit Installation
  • FTB Backfill and Compaction

HPFF Systems

  • HPFF Cable Pipe Installation HPFF Pipe Bending
  • Open Cut with FTB Backfill
  • Horizontal Directional Drilling
  • Jack & Bore
  • Oil Line Installation
  • Oil Line Valve Setting Fabrication and Installation
  • Precast and Poured-In-Place Manhole Installation
  • Stainless Steel Riser Fabrication & Installation
  • Stainless Steel Pipe Bending
  • Trifurcator Installation
  • Joint Reducer and Sleeve Installation
  • Freeze Pit Installation
  • Pressure Testing
  • Vacuum Testing

We have experience working with major cable manufacturers in the United States as well as numerous engineering firms active in the domestic underground electric transmission industry.