DACON

construction and maintenance of extra high, high and medium voltage electrical substations and overhead power transmission lines, infrastructure development, namely, installation of power cable, electrical apparatus, namely, high, medium, and low voltage switchgear, power transformers, protective relays, SCADA, station batteries, power line carriers, electric motors, and capacitor banks; construction of foundations for installation of large-scale, high-voltage transmission lines, namely, drilling footings, excavation, wet-process or case concrete pier installations; construction of structures for installation of large-scale, high-voltage transmission lines, namely, setting steel poles, and construction of lattice towers; installation of conductors for large-scale, high-voltage transmission lines

design and testing of [ extra high, ] high and medium voltage electrical substations and overhead power transmission lines