Columbia Heights Substation
Posted
Sep 8, 2026
Oct 13, 2026
The work for the project includes Site development includes an access driveway, clearing, excavation, grading, backfill, compaction, and installation of site surfacing material; Install substation perimeter masonry wall panels on the three exterior sides of the Phase I yard, including a sliding drive gate along E. 16th Ave.; The existing fence between the Phase I and Phase II areas will require a minor adjustment and serve as an isolation safety fence between Phases; Construct all foundations and include the oil containment system for the transformer; Install vaults, drainage pipes, LV conduits, HV feeder conduits, and grounding; nstall the new power transformer and control building on their foundation pads; Install steel structures, non-segregated bus, rigid bus, bus supports, jumpers, and other equipment to make the physical construction complete.
