Demoed existing concrete foundation systems, type 1 bus frames and grounding wire systems. Excavated foundations, structures and trenches. Provided/installed gravel infills and compacted subgrade. Installed structural concrete/rebar foundation for electrical transformer, switch support, operating platforms and cabinet equipment. Installed Government supplied equipment including: 245-kv circuit breaker, disconnect switch, 230-kv single phase coupling capacitor voltage transformer, substation grounding system, electrical conduit systems, outdoor bus systems, 10 awg control cable, terminal boxes and electrical phase signage. Connected and tested all cabling to the project requirements.