VELCO 115kV Underground Electric Transmission Line

ECI’s Client: Vermont Electric Power Company (VELCO)

Completion Date: Fall 2008

Subcontractors: Maine Drilling & Blasting

ECI was the civil contractor for the underground transmission lines in the residential communities of Charlotte, Shelburne, and South Burlington, Vermont.

Scope of Work:

• Erosion Control for 11,500 ft-long project

• Temporary Access Roads

• 14,000 CY Trench Excavation

• 10,000 CY Rock Excavation

• 11,500 LF of Concrete Encased Duct Bank:  Six 6-in-dia PVC, four 2-in-dia HDPE, and one 4-in-dia HDPE

• Over 3,000 CY of Concrete Encasement;  400 LF shielded with steel plate

• One Railroad Track Crossing (Open Cut, Cased/Grouted) and Multiple Road Crossings

• One Major Stream Crossing with Cofferdams

• 36-in-dia x 350-ft-long Directional Bore

• 24-in-dia x 350-ft-long Directional Bore

• Provide and Pull Fiber Optic Cable