In 2013, Georgia Transmission Corporation (“GTC”) contracted Irby to construct a 12.2 mile 115kv transmission line south of Savannah, Georgia including a 4 mile section through a protected salt marsh.

In service of the Coastal Electric Cooperatives service area, the project connected two radial transmission systems (Burnt Church and Tradeport) in Bryan and Liberty counties. In observance of the projects environmental sensitivity, Irby adapted a construction solution whereby poles were set by an Erikson S-64 Aircrane helicopter to minimize the impact to marshland ecosystems.

Completed on time and within strict environmental parameters, the project exemplified Irby’s capability to plan and execute novel technical solutions to the highest standards of environmental best practice.

To see more on this project, watch the project video produced by Georgia Transmission.

Start Date: April 2013
Completion Date: December 2013

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If you would like to request information on this project or submit a request for bid, click here. 

Kentucky Utilities, a subsidiary of PPL Corporation, is an electric utility which serves over 500,000 individuals throughout Virginia and Kentucky. Between August and December 2008, Kentucky Utilities contracted Irby to perform a 2.42 mile 345kV double circuit line crossing of the Ohio River.

The work scope included structure and wire installation work scopes including two 420 foot lattice towers for the river crossing. With foundation support from Can-Fer (Irby and Can-Fer are Quanta Services subsidiary companies PWR:NYSE)), the project was completed, on-time, to budget, and without lost time incident.

Start Date: August 2008
Completion Date: December 2008

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Vermont Transco owns and manages Vermont’s high-voltage electric transmission system (115 kV and above) and provides service to Vermont’s 17 electric distribution utilities and utilities in New Hampshire and New England.

In October 2010, Vermont Transco contracted Cianbro Construction to build 53 miles of 345kV transmission line including the relocation of existing 345kV and 115kV interconnection line as part of the Southern Loop transmission line project.

As subcontracted to Cianbro Construction the Irby work scope included the direct embed of wood H-frame structures, steel monopole structures on anchor bolt foundations, twin bundled conductor, and two static lines in mountainous terrain. The project was completed on schedule and with zero lost time incidents in October 2010.

Start Date: February 2010
Completion Date: October 2010

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If you would like to request information on this project or submit a request for bid, click here.