During the last twenty-five years, Irby Construction Company has strung conductors of various sizes including 3070 CM with a 2.32-inch outside diameter weighing over 5.5 pounds per foot. Among the conductors strung are the following types of configurations: Conductor type: AAC ACAR ACSR ACSR/TW SSAC T2 Fiber Optic Self-dampening Configurations per phase: Single Two-bundle Three-bundle Four-bundle Irby owns the equipment and tools to handle almost any conductor stringing requirements.