Projects

  • All
  • Access and Exploratory Shafts
  • Cell Towers
  • Foundation Piers
  • Substations
  • Transmission Lines
Bondurant Substation for Drilling Renewable Drill Shafts and Electrical Transmission Lines
Substations

Bondurant Substation

Description: In addition to transmission lines, Tri-State has also done a fair share of substation ...
Norfolk South RR Bridge Project Drilling Renewable Drill Shafts and Electrical Transmission Lines
Foundation Piers

Norfolk Southern RR Bridge

Description: Tri-State’s expertise in wet conditions and rock applies well to many bridge foundation applications. ...
Minnesota Historical Society Building Project Drilling Renewable Drill Shafts and Electrical Transmission Lines
Foundation Piers

Minnesota Historical Society Building

Description: An unusually tight schedule and deep excavations to rock made this project a good ...
Secant Wall Built for Drilling Renewable Drill Shafts and Electrical Transmission Lines
Foundation Piers

Secant Wall

Description: Tri-State installed this secant wall to secure an AEP four-legged tower from erosion by ...
Cell Towers Built by Drilling Renewable Drill Shafts and Electrical Transmission Lines
Cell Towers

Cell Towers

Description: Similar to transmission lines, cell tower work has a requirement for quick-response and high-mobility. ...
Ford Parkway Shaft Project by Drilling Renewable Drill Shafts and Electrical Transmission Lines
Access and Exploratory Shafts

Ford Parkway Shaft Project

Description: Tri-State's ability to maintain a small footprint came into play during the installation of ...
Tehachapi Renewable Energy Source Project by Drilling Drill Shafts and Electrical Transmission Lines
Transmission Lines

Tehachapi Renewable

Description: With a goal established that by 2020, 33% of all energy in the state ...
Meadowbrook Loudon Project by Drilling Renewable Drill Shafts and Electrical Transmission Lines
Transmission Lines

Meadowbrook-Loudoun

Description: Dominion’s Meadowbrook-Loudoun is a 65-mile 500-kV transmission line (part of the Trail Project), located ...
Front Royal Going in with the Core Barrell Drilling Renewable Drill Shafts and Electrical Transmission Lines
Transmission Lines

Arrowhead-Weston

Description: Arrowhead-Weston is a 220-mile transmission line connecting Duluth, Minn., with Wausau, Wis. The project, ...
CAPX2020 La Crosse Project Drilling Renewable Drill Shafts and Electrical Transmission Lines
Transmission Lines

CAPX2020 La Crosse

Description: After the need was determined for an electrical interstate system connecting Minnesota, South Dakota, ...
Good initial cleanup results achieved at foundation pad locations
Transmission Lines

Center to Grand Forks

Description: Starting in the spring of 2012 crews began work on the mammoth 1352 foundation ...
Truck Mac on Middletown Norwalk Project Drilling Renewable Drill Shafts and Electrical Transmission Lines
Transmission Lines

Middletown-Norwalk

Description: One of the largest and toughest jobs in Tri-State’s 60-year history, CP&L’s Middletown-Norwalk included ...