Project Name: Centennial Transmission Line (345kV)
Location: Las Vegas, Nevada
Contract Amount: $3.6 million
Dates: May 2002 – December 2002
Owner: Nevada Power
General Contractor: Irby Construction
Transmission Line Length: 48 miles
Range of Depth & Diameters: 5′ diameter x 20′ deep to 10′ diameters x 40′ deep
Safety Record: Injury Free
Special Conditions: Summer desert temperatures and travel distances required the use of concrete retardants. The project consisted of lattice tower and anchor-bolt foundations. Drilling was difficult in the hard desert caliche formations, and rock coring was required in several foundations.