Design of EHV Steel Tower Transmission Lines

Niagara-Adirondack Tie Line of New York State Power Authority discussed is rated at 345 kv and is designed for operation at voltages up to 380 kv; subsurface conditions; selection of basic tower type; determination of special structures; application characteristics of all structure types used on line; tower location criteria; electrical requirements and code regulations; tower and foundation design; full-size tower tests described; digital computer applications in design of transmission towers.